diff options
Diffstat (limited to 'libavcodec/sheervideo.c')
| -rw-r--r-- | libavcodec/sheervideo.c | 3163 |
1 files changed, 3163 insertions, 0 deletions
diff --git a/libavcodec/sheervideo.c b/libavcodec/sheervideo.c new file mode 100644 index 0000000000..092ac6ed82 --- /dev/null +++ b/libavcodec/sheervideo.c @@ -0,0 +1,3163 @@ +/* + * BitJazz SheerVideo decoder + * Copyright (c) 2016 Paul B Mahol + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "libavutil/intreadwrite.h" +#include "avcodec.h" +#include "get_bits.h" +#include "internal.h" +#include "thread.h" + +typedef struct SheerVideoContext { + unsigned format; + int alt; + VLC vlc[2]; + void (*decode_frame)(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb); +} SheerVideoContext; + +static const uint8_t l_r_rgb[256] = { + 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, + 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, + 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, + 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, + 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, +}; + +static const uint8_t l_r_rgbi[256] = { + 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, + 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, +}; + +static const uint8_t l_g_rgbi[256] = { + 1, 3, 4, 5, 6, 7, 7, 8, 9, 9, 10, 10, 10, 10, 11, 11, + 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, + 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, + 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, + 11, 11, 11, 10, 10, 10, 9, 9, 9, 8, 8, 7, 6, 5, 5, 3, +}; + +static const uint8_t l_g_rgb[256] = { + 2, 2, 4, 4, 6, 7, 9, 9, 10, 11, 11, 11, 12, 12, 12, 13, + 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, + 13, 13, 12, 12, 12, 11, 11, 11, 10, 9, 9, 8, 6, 4, 3, 3, +}; + +static const uint8_t l_y_ybr[256] = { + 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, + 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, + 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, + 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 3, +}; + +static const uint8_t l_u_ybr[256] = { + 1, 2, 4, 6, 9, 10, 11, 11, 12, 12, 13, 13, 13, 14, 14, 14, + 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, + 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 10, 8, 5, 3, +}; + +static const uint8_t l_y_ybyr[256] = { + 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, + 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, + 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, + 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, + 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, +}; + +static const uint8_t l_u_ybyr[256] = { + 1, 2, 4, 6, 8, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14, + 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, + 14, 14, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 8, 7, 6, 3, +}; + +static const uint8_t l_y_byry[256] = { + 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, + 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, + 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, + 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, + 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 3, +}; + +static const uint8_t l_u_byry[256] = { + 1, 2, 4, 6, 8, 9, 9, 10, 11, 11, 12, 12, 13, 13, 13, 14, + 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, + 14, 14, 14, 13, 13, 12, 12, 12, 11, 11, 10, 9, 8, 7, 6, 3, +}; + +static const uint8_t l_y_ybr10i[1024] = { + 3, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, +}; + +static const uint8_t l_y_ybr10[1024] = { + 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, + 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, + 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, +}; + +static const uint8_t l_u_ybr10i[1024] = { + 2, 3, 4, 4, 5, 5, 6, 7, 7, 8, 8, 9, 9, 9, 9, 10, + 10, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, + 10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 6, 5, 5, 4, 4, 3, +}; + +static const uint8_t l_u_ybr10[1024] = { + 2, 3, 3, 4, 5, 5, 6, 7, 8, 9, 9, 10, 10, 10, 11, 11, + 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12, + 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 6, 5, 4, 4, 3, +}; + +static const uint8_t l_r_rgbx[1024] = { + 4, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, +}; + +static const uint8_t l_g_rgbx[1024] = { + 3, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, + 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 12, + 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, + 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, + 8, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, +}; + +static const uint8_t l_y_yry10[1024] = { + 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, + 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, + 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, +}; + +static const uint8_t l_y_yry10i[1024] = { + 3, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, +}; + +static const uint8_t l_u_yry10[1024] = { + 2, 3, 3, 4, 5, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10, + 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, + 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, + 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, + 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 5, 4, 4, 3, +}; + +static const uint8_t l_u_yry10i[1024] = { + 2, 4, 4, 4, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, + 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, + 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, + 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, + 9, 9, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, +}; + +static const uint8_t l_y_ybri[256] = { + 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, + 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, + 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 3, +}; + +static const uint8_t l_u_ybri[256] = { + 1, 3, 5, 6, 8, 8, 9, 10, 10, 11, 11, 12, 12, 13, 13, 13, + 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, + 14, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 8, 8, 6, 5, 2, +}; + +static const uint8_t l_y_byryi[256] = { + 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, + 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, + 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, + 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, + 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 4, 4, 3, +}; + +static const uint8_t l_u_byryi[256] = { + 1, 3, 4, 6, 6, 7, 8, 8, 9, 9, 10, 10, 10, 11, 11, 11, + 12, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, + 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, + 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, + 12, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 5, 4, 3, +}; + +static const uint8_t l_r_rgbxi[1024] = { + 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, + 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, + 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, +}; + +static const uint8_t l_g_rgbxi[1024] = { + 2, 3, 4, 4, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, + 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, + 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, + 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, + 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 3, +}; + +static void decode_ca4i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_y, *dst_u, *dst_v, *dst_a; + int x, y; + + dst_a = (uint16_t *)p->data[3]; + dst_y = (uint16_t *)p->data[0]; + dst_u = (uint16_t *)p->data[1]; + dst_v = (uint16_t *)p->data[2]; + + for (y = 0; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 10); + dst_y[x] = get_bits(gb, 10); + dst_u[x] = get_bits(gb, 10); + dst_v[x] = get_bits(gb, 10); + } + } else { + int pred[4] = { 502, 512, 512, 502 }; + + for (x = 0; x < avctx->width; x++) { + int y, u, v, a; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff; + dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff; + dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff; + dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + dst_a += p->linesize[3] / 2; + } +} + +static void decode_ca4p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_y, *dst_u, *dst_v, *dst_a; + int x, y; + + dst_a = (uint16_t *)p->data[3]; + dst_y = (uint16_t *)p->data[0]; + dst_u = (uint16_t *)p->data[1]; + dst_v = (uint16_t *)p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 10); + dst_y[x] = get_bits(gb, 10); + dst_u[x] = get_bits(gb, 10); + dst_v[x] = get_bits(gb, 10); + } + } else { + int pred[4] = { 502, 512, 512, 502 }; + + for (x = 0; x < avctx->width; x++) { + int y, u, v, a; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff; + dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff; + dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff; + dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + dst_a += p->linesize[3] / 2; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 10); + dst_y[x] = get_bits(gb, 10); + dst_u[x] = get_bits(gb, 10); + dst_v[x] = get_bits(gb, 10); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int y, u, v, a; + + pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2]; + pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2]; + pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2]; + pred_TL[3] = pred_L[3] = dst_a[-p->linesize[3] / 2]; + + for (x = 0; x < avctx->width; x++) { + pred_T[0] = dst_y[-p->linesize[0] / 2 + x]; + pred_T[1] = dst_u[-p->linesize[1] / 2 + x]; + pred_T[2] = dst_v[-p->linesize[2] / 2 + x]; + pred_T[3] = dst_a[-p->linesize[3] / 2 + x]; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred_L[3] = (a + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0x3ff; + dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff; + dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff; + dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff; + + pred_TL[0] = pred_T[0]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + pred_TL[3] = pred_T[3]; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + dst_a += p->linesize[3] / 2; + } +} + +static void decode_ybr10i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = (uint16_t *)p->data[0]; + dst_u = (uint16_t *)p->data[1]; + dst_v = (uint16_t *)p->data[2]; + + for (y = 0; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_y[x] = get_bits(gb, 10); + dst_u[x] = get_bits(gb, 10); + dst_v[x] = get_bits(gb, 10); + } + } else { + int pred[4] = { 502, 512, 512, 512 }; + + for (x = 0; x < avctx->width; x++) { + int y, u, v; + + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff; + dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff; + dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + } +} + +static void decode_ybr10(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = (uint16_t *)p->data[0]; + dst_u = (uint16_t *)p->data[1]; + dst_v = (uint16_t *)p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_y[x] = get_bits(gb, 10); + dst_u[x] = get_bits(gb, 10); + dst_v[x] = get_bits(gb, 10); + } + } else { + int pred[4] = { 502, 512, 512, 512 }; + + for (x = 0; x < avctx->width; x++) { + int y, u, v; + + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff; + dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff; + dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_y[x] = get_bits(gb, 10); + dst_u[x] = get_bits(gb, 10); + dst_v[x] = get_bits(gb, 10); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int y, u, v; + + pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2]; + pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2]; + pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2]; + + for (x = 0; x < avctx->width; x++) { + pred_T[0] = dst_y[-p->linesize[0] / 2 + x]; + pred_T[1] = dst_u[-p->linesize[1] / 2 + x]; + pred_T[2] = dst_v[-p->linesize[2] / 2 + x]; + + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff; + dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff; + dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff; + + pred_TL[0] = pred_T[0]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + } +} + +static void decode_yry10i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = (uint16_t *)p->data[0]; + dst_u = (uint16_t *)p->data[1]; + dst_v = (uint16_t *)p->data[2]; + + for (y = 0; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 10); + dst_u[x / 2] = get_bits(gb, 10); + dst_y[x + 1] = get_bits(gb, 10); + dst_v[x / 2] = get_bits(gb, 10); + } + } else { + int pred[4] = { 502, 512, 512, 0 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v; + + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0x3ff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0x3ff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0x3ff; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + } +} + +static void decode_yry10(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = (uint16_t *)p->data[0]; + dst_u = (uint16_t *)p->data[1]; + dst_v = (uint16_t *)p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 10); + dst_u[x / 2] = get_bits(gb, 10); + dst_y[x + 1] = get_bits(gb, 10); + dst_v[x / 2] = get_bits(gb, 10); + } + } else { + int pred[4] = { 502, 512, 512, 0 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v; + + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0x3ff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0x3ff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0x3ff; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 10); + dst_u[x / 2] = get_bits(gb, 10); + dst_y[x + 1] = get_bits(gb, 10); + dst_v[x / 2] = get_bits(gb, 10); + } + } else { + int pred_TL[6], pred_L[6], pred_T[6]; + int y1, y2, u, v; + + pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2]; + pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2]; + pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2]; + + for (x = 0; x < avctx->width; x += 2) { + pred_T[0] = dst_y[-p->linesize[0] / 2 + x]; + pred_T[3] = dst_y[-p->linesize[0] / 2 + x + 1]; + pred_T[1] = dst_u[-p->linesize[1] / 2 + x / 2]; + pred_T[2] = dst_v[-p->linesize[2] / 2 + x / 2]; + + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff; + dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0x3ff; + dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0x3ff; + dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0x3ff; + + pred_TL[0] = pred_T[3]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + } +} + +static void decode_ca2i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_y, *dst_u, *dst_v, *dst_a; + int x, y; + + dst_y = (uint16_t *)p->data[0]; + dst_u = (uint16_t *)p->data[1]; + dst_v = (uint16_t *)p->data[2]; + dst_a = (uint16_t *)p->data[3]; + + for (y = 0; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_a[x ] = get_bits(gb, 10); + dst_y[x ] = get_bits(gb, 10); + dst_u[x / 2] = get_bits(gb, 10); + dst_a[x + 1] = get_bits(gb, 10); + dst_y[x + 1] = get_bits(gb, 10); + dst_v[x / 2] = get_bits(gb, 10); + } + } else { + int pred[4] = { 502, 512, 512, 502 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v, a1, a2; + + a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0x3ff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0x3ff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff; + dst_a[x ] = pred[3] = (a1 + pred[3]) & 0x3ff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0x3ff; + dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0x3ff; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + dst_a += p->linesize[3] / 2; + } +} + +static void decode_ca2p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_y, *dst_u, *dst_v, *dst_a; + int x, y; + + dst_y = (uint16_t *)p->data[0]; + dst_u = (uint16_t *)p->data[1]; + dst_v = (uint16_t *)p->data[2]; + dst_a = (uint16_t *)p->data[3]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_a[x ] = get_bits(gb, 10); + dst_y[x ] = get_bits(gb, 10); + dst_u[x / 2] = get_bits(gb, 10); + dst_a[x + 1] = get_bits(gb, 10); + dst_y[x + 1] = get_bits(gb, 10); + dst_v[x / 2] = get_bits(gb, 10); + } + } else { + int pred[4] = { 502, 512, 512, 502 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v, a1, a2; + + a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0x3ff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0x3ff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff; + dst_a[x ] = pred[3] = (a1 + pred[3]) & 0x3ff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0x3ff; + dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0x3ff; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + dst_a += p->linesize[3] / 2; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_a[x ] = get_bits(gb, 10); + dst_y[x ] = get_bits(gb, 10); + dst_u[x / 2] = get_bits(gb, 10); + dst_a[x + 1] = get_bits(gb, 10); + dst_y[x + 1] = get_bits(gb, 10); + dst_v[x / 2] = get_bits(gb, 10); + } + } else { + int pred_TL[6], pred_L[6], pred_T[6]; + int y1, y2, u, v, a1, a2; + + pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2]; + pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2]; + pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2]; + pred_TL[4] = pred_L[4] = dst_a[-p->linesize[3] / 2]; + + for (x = 0; x < avctx->width; x += 2) { + pred_T[0] = dst_y[-p->linesize[0] / 2 + x]; + pred_T[3] = dst_y[-p->linesize[0] / 2 + x + 1]; + pred_T[1] = dst_u[-p->linesize[1] / 2 + x / 2]; + pred_T[2] = dst_v[-p->linesize[2] / 2 + x / 2]; + pred_T[4] = dst_a[-p->linesize[3] / 2 + x]; + pred_T[5] = dst_a[-p->linesize[3] / 2 + x + 1]; + + a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff; + dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0x3ff; + dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0x3ff; + dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0x3ff; + dst_a[x ] = pred_L[4] = (a1 + ((3 * (pred_T[4] + pred_L[4]) - 2 * pred_TL[4]) >> 2)) & 0x3ff; + dst_a[x + 1] = pred_L[4] = (a2 + ((3 * (pred_T[5] + pred_L[4]) - 2 * pred_T[4]) >> 2)) & 0x3ff; + + pred_TL[0] = pred_T[3]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + pred_TL[4] = pred_T[5]; + } + } + + dst_y += p->linesize[0] / 2; + dst_u += p->linesize[1] / 2; + dst_v += p->linesize[2] / 2; + dst_a += p->linesize[3] / 2; + } +} + +static void decode_c82i(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_y, *dst_u, *dst_v, *dst_a; + int x, y; + + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + dst_a = p->data[3]; + + for (y = 0; y < avctx->height; y += 1) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_a[x ] = get_bits(gb, 8); + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8); + dst_a[x + 1] = get_bits(gb, 8); + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8); + } + } else { + int pred[4] = { 125, -128, -128, 125 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v, a1, a2; + + a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0xff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0xff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0xff; + dst_a[x ] = pred[3] = (a1 + pred[3]) & 0xff; + dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + dst_a += p->linesize[3]; + } +} + +static void decode_c82p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_y, *dst_u, *dst_v, *dst_a; + int x, y; + + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + dst_a = p->data[3]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_a[x ] = get_bits(gb, 8); + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8); + dst_a[x + 1] = get_bits(gb, 8); + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8); + } + } else { + int pred[4] = { 125, -128, -128, 125 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v, a1, a2; + + a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0xff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0xff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff; + dst_a[x ] = pred[3] = (a1 + pred[3]) & 0xff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0xff; + dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + dst_a += p->linesize[3]; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_a[x ] = get_bits(gb, 8); + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8); + dst_a[x + 1] = get_bits(gb, 8); + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8); + } + } else { + int pred_TL[6], pred_L[6], pred_T[6]; + int y1, y2, u, v, a1, a2; + + pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]]; + pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]]; + pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]]; + pred_TL[4] = pred_L[4] = dst_a[-p->linesize[3]]; + + for (x = 0; x < avctx->width; x += 2) { + pred_T[0] = dst_y[-p->linesize[0] + x]; + pred_T[3] = dst_y[-p->linesize[0] + x + 1]; + pred_T[1] = dst_u[-p->linesize[1] + x / 2]; + pred_T[2] = dst_v[-p->linesize[2] + x / 2]; + pred_T[4] = dst_a[-p->linesize[3] + x]; + pred_T[5] = dst_a[-p->linesize[3] + x + 1]; + + a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff; + dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff; + dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff; + dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff; + dst_a[x ] = pred_L[4] = (a1 + ((3 * (pred_T[4] + pred_L[4]) - 2 * pred_TL[4]) >> 2)) & 0xff; + dst_a[x + 1] = pred_L[4] = (a2 + ((3 * (pred_T[5] + pred_L[4]) - 2 * pred_T[4]) >> 2)) & 0xff; + + pred_TL[0] = pred_T[3]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + pred_TL[4] = pred_T[5]; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + dst_a += p->linesize[3]; + } +} + +static void decode_ybyr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8) + 128; + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8) + 128; + } + } else { + int pred[4] = { -128, 128, 128, 0 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v; + + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0xff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0xff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8) + 128; + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8) + 128; + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int y1, y2, u, v; + + pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]]; + pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]]; + pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]]; + + for (x = 0; x < avctx->width; x += 2) { + pred_T[0] = dst_y[-p->linesize[0] + x]; + pred_T[3] = dst_y[-p->linesize[0] + x + 1]; + pred_T[1] = dst_u[-p->linesize[1] + x / 2]; + pred_T[2] = dst_v[-p->linesize[2] + x / 2]; + + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff; + dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff; + dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff; + dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff; + + pred_TL[0] = pred_T[3]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + } +} + +static void decode_byryi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8); + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8); + } + } else { + int pred[4] = { 125, -128, -128, 0 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v; + + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0xff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0xff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8); + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8); + } + } else { + int pred_L[4]; + int y1, y2, u, v; + + pred_L[0] = dst_y[-p->linesize[0]]; + pred_L[1] = dst_u[-p->linesize[1]]; + pred_L[2] = dst_v[-p->linesize[2]]; + + for (x = 0; x < avctx->width; x += 2) { + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred_L[0] = (y1 + pred_L[0]) & 0xff; + dst_u[x / 2] = pred_L[1] = (u + pred_L[1]) & 0xff; + dst_y[x + 1] = pred_L[0] = (y2 + pred_L[0]) & 0xff; + dst_v[x / 2] = pred_L[2] = (v + pred_L[2]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + } +} + +static void decode_byry(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8); + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8); + } + } else { + int pred[4] = { 125, -128, -128, 0 }; + + for (x = 0; x < avctx->width; x += 2) { + int y1, y2, u, v; + + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred[0] = (y1 + pred[0]) & 0xff; + dst_u[x / 2] = pred[1] = (u + pred[1]) & 0xff; + dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff; + dst_v[x / 2] = pred[2] = (v + pred[2]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x += 2) { + dst_y[x ] = get_bits(gb, 8); + dst_u[x / 2] = get_bits(gb, 8); + dst_y[x + 1] = get_bits(gb, 8); + dst_v[x / 2] = get_bits(gb, 8); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int y1, y2, u, v; + + pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]]; + pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]]; + pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]]; + + for (x = 0; x < avctx->width; x += 2) { + pred_T[0] = dst_y[-p->linesize[0] + x]; + pred_T[3] = dst_y[-p->linesize[0] + x + 1]; + pred_T[1] = dst_u[-p->linesize[1] + x / 2]; + pred_T[2] = dst_v[-p->linesize[2] + x / 2]; + + y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff; + dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff; + dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff; + dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff; + + pred_TL[0] = pred_T[3]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + } +} + +static void decode_ybri(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_y[x] = get_bits(gb, 8); + dst_u[x] = get_bits(gb, 8); + dst_v[x] = get_bits(gb, 8); + } + } else { + int pred[4] = { s->alt ? 125 : -146, -128, -128, -128 }; + + for (x = 0; x < avctx->width; x++) { + int y, u, v; + + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x] = pred[0] = (y + pred[0]) & 0xff; + dst_u[x] = pred[1] = (u + pred[1]) & 0xff; + dst_v[x] = pred[2] = (v + pred[2]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_y[x] = get_bits(gb, 8); + dst_u[x] = get_bits(gb, 8); + dst_v[x] = get_bits(gb, 8); + } + } else { + int pred_L[4]; + int y, u, v; + + pred_L[0] = dst_y[-p->linesize[0]]; + pred_L[1] = dst_u[-p->linesize[1]]; + pred_L[2] = dst_v[-p->linesize[2]]; + + for (x = 0; x < avctx->width; x++) { + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x] = pred_L[0] = (y + pred_L[0]) & 0xff; + dst_u[x] = pred_L[1] = (u + pred_L[1]) & 0xff; + dst_v[x] = pred_L[2] = (v + pred_L[2]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + } +} + +static void decode_ybr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_y, *dst_u, *dst_v; + int x, y; + + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_y[x] = get_bits(gb, 8); + dst_u[x] = get_bits(gb, 8); + dst_v[x] = get_bits(gb, 8); + } + } else { + int pred[4] = { s->alt ? 125 : -146, -128, -128, -128 }; + + for (x = 0; x < avctx->width; x++) { + int y, u, v; + + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x] = pred[0] = (y + pred[0]) & 0xff; + dst_u[x] = pred[1] = (u + pred[1]) & 0xff; + dst_v[x] = pred[2] = (v + pred[2]) & 0xff; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_y[x] = get_bits(gb, 8); + dst_u[x] = get_bits(gb, 8); + dst_v[x] = get_bits(gb, 8); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int y, u, v; + + pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]]; + pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]]; + pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]]; + + for (x = 0; x < avctx->width; x++) { + pred_T[0] = dst_y[-p->linesize[0] + x]; + pred_T[1] = dst_u[-p->linesize[1] + x]; + pred_T[2] = dst_v[-p->linesize[2] + x]; + + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff; + dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff; + dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff; + + pred_TL[0] = pred_T[0]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + } + } + + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + } +} + +static void decode_aybri(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_a, *dst_y, *dst_u, *dst_v; + int x, y; + + dst_a = p->data[3]; + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 8); + dst_y[x] = get_bits(gb, 8); + dst_u[x] = get_bits(gb, 8); + dst_v[x] = get_bits(gb, 8); + } + } else { + int pred[4] = { 125, s->alt ? 125 : -146, -128, -128 }; + + for (x = 0; x < avctx->width; x++) { + int a, y, u, v; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred[0] = (a + pred[0]) & 0xff; + dst_y[x] = pred[1] = (y + pred[1]) & 0xff; + dst_u[x] = pred[2] = (u + pred[2]) & 0xff; + dst_v[x] = pred[3] = (v + pred[3]) & 0xff; + } + } + + dst_a += p->linesize[3]; + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 8); + dst_y[x] = get_bits(gb, 8); + dst_u[x] = get_bits(gb, 8); + dst_v[x] = get_bits(gb, 8); + } + } else { + int pred_L[4]; + int a, y, u, v; + + pred_L[0] = dst_a[-p->linesize[3]]; + pred_L[1] = dst_y[-p->linesize[0]]; + pred_L[2] = dst_u[-p->linesize[1]]; + pred_L[3] = dst_v[-p->linesize[2]]; + + for (x = 0; x < avctx->width; x++) { + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred_L[0] = (a + pred_L[0]) & 0xff; + dst_y[x] = pred_L[1] = (y + pred_L[1]) & 0xff; + dst_u[x] = pred_L[2] = (u + pred_L[2]) & 0xff; + dst_v[x] = pred_L[3] = (v + pred_L[3]) & 0xff; + } + } + + dst_a += p->linesize[3]; + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + } +} + +static void decode_aybr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst_a, *dst_y, *dst_u, *dst_v; + int x, y; + + dst_a = p->data[3]; + dst_y = p->data[0]; + dst_u = p->data[1]; + dst_v = p->data[2]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 8); + dst_y[x] = get_bits(gb, 8); + dst_u[x] = get_bits(gb, 8); + dst_v[x] = get_bits(gb, 8); + } + } else { + int pred[4] = { 125, s->alt ? 125 : -146, -128, -128 }; + + for (x = 0; x < avctx->width; x++) { + int a, y, u, v; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred[0] = (a + pred[0]) & 0xff; + dst_y[x] = pred[1] = (y + pred[1]) & 0xff; + dst_u[x] = pred[2] = (u + pred[2]) & 0xff; + dst_v[x] = pred[3] = (v + pred[3]) & 0xff; + } + } + + dst_a += p->linesize[3]; + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 8); + dst_y[x] = get_bits(gb, 8); + dst_u[x] = get_bits(gb, 8); + dst_v[x] = get_bits(gb, 8); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int a, y, u, v; + + pred_TL[0] = pred_L[0] = dst_a[-p->linesize[3]]; + pred_TL[1] = pred_L[1] = dst_y[-p->linesize[0]]; + pred_TL[2] = pred_L[2] = dst_u[-p->linesize[1]]; + pred_TL[3] = pred_L[3] = dst_v[-p->linesize[2]]; + + for (x = 0; x < avctx->width; x++) { + pred_T[0] = dst_a[-p->linesize[3] + x]; + pred_T[1] = dst_y[-p->linesize[0] + x]; + pred_T[2] = dst_u[-p->linesize[1] + x]; + pred_T[3] = dst_v[-p->linesize[2] + x]; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred_L[0] = (a + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff; + dst_y[x] = pred_L[1] = (y + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff; + dst_u[x] = pred_L[2] = (u + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff; + dst_v[x] = pred_L[3] = (v + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0xff; + + pred_TL[0] = pred_T[0]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + pred_TL[3] = pred_T[3]; + } + } + + dst_a += p->linesize[3]; + dst_y += p->linesize[0]; + dst_u += p->linesize[1]; + dst_v += p->linesize[2]; + } +} + +static void decode_argxi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_r, *dst_g, *dst_b, *dst_a; + int x, y; + + dst_r = (uint16_t *)p->data[2]; + dst_g = (uint16_t *)p->data[0]; + dst_b = (uint16_t *)p->data[1]; + dst_a = (uint16_t *)p->data[3]; + + for (y = 0; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 10); + dst_r[x] = get_bits(gb, 10); + dst_g[x] = get_bits(gb, 10); + dst_b[x] = get_bits(gb, 10); + } + } else { + int pred[4] = { 512, 512, 512, 512 }; + + for (x = 0; x < avctx->width; x++) { + int r, g, b, a; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff; + dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff; + dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff; + dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff; + } + } + + dst_r += p->linesize[2] / 2; + dst_g += p->linesize[0] / 2; + dst_b += p->linesize[1] / 2; + dst_a += p->linesize[3] / 2; + } +} + +static void decode_argx(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_r, *dst_g, *dst_b, *dst_a; + int x, y; + + dst_r = (uint16_t *)p->data[2]; + dst_g = (uint16_t *)p->data[0]; + dst_b = (uint16_t *)p->data[1]; + dst_a = (uint16_t *)p->data[3]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 10); + dst_r[x] = get_bits(gb, 10); + dst_g[x] = get_bits(gb, 10); + dst_b[x] = get_bits(gb, 10); + } + } else { + int pred[4] = { 512, 512, 512, 512 }; + + for (x = 0; x < avctx->width; x++) { + int r, g, b, a; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff; + dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff; + dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff; + dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff; + } + } + + dst_r += p->linesize[2] / 2; + dst_g += p->linesize[0] / 2; + dst_b += p->linesize[1] / 2; + dst_a += p->linesize[3] / 2; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_a[x] = get_bits(gb, 10); + dst_r[x] = get_bits(gb, 10); + dst_g[x] = get_bits(gb, 10); + dst_b[x] = get_bits(gb, 10); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int r, g, b, a; + + pred_TL[0] = pred_L[0] = dst_r[-p->linesize[2] / 2]; + pred_TL[1] = pred_L[1] = dst_g[-p->linesize[0] / 2]; + pred_TL[2] = pred_L[2] = dst_b[-p->linesize[1] / 2]; + pred_TL[3] = pred_L[3] = dst_a[-p->linesize[3] / 2]; + + for (x = 0; x < avctx->width; x++) { + pred_T[0] = dst_r[-p->linesize[2] / 2 + x]; + pred_T[1] = dst_g[-p->linesize[0] / 2 + x]; + pred_T[2] = dst_b[-p->linesize[1] / 2 + x]; + pred_T[3] = dst_a[-p->linesize[3] / 2 + x]; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_a[x] = pred_L[3] = (a + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0x3ff; + dst_r[x] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff; + dst_g[x] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff; + dst_b[x] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff; + + pred_TL[0] = pred_T[0]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + pred_TL[3] = pred_T[3]; + } + } + + dst_r += p->linesize[2] / 2; + dst_g += p->linesize[0] / 2; + dst_b += p->linesize[1] / 2; + dst_a += p->linesize[3] / 2; + } +} + +static void decode_rgbxi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_r, *dst_g, *dst_b; + int x, y; + + dst_r = (uint16_t *)p->data[2]; + dst_g = (uint16_t *)p->data[0]; + dst_b = (uint16_t *)p->data[1]; + + for (y = 0; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_r[x] = get_bits(gb, 10); + dst_g[x] = get_bits(gb, 10); + dst_b[x] = get_bits(gb, 10); + } + } else { + int pred[4] = { 512, 512, 512, 0 }; + + for (x = 0; x < avctx->width; x++) { + int r, g, b; + + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff; + dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff; + dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff; + } + } + + dst_r += p->linesize[2] / 2; + dst_g += p->linesize[0] / 2; + dst_b += p->linesize[1] / 2; + } +} + +static void decode_rgbx(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint16_t *dst_r, *dst_g, *dst_b; + int x, y; + + dst_r = (uint16_t *)p->data[2]; + dst_g = (uint16_t *)p->data[0]; + dst_b = (uint16_t *)p->data[1]; + + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_r[x] = get_bits(gb, 10); + dst_g[x] = get_bits(gb, 10); + dst_b[x] = get_bits(gb, 10); + } + } else { + int pred[4] = { 512, 512, 512, 0 }; + + for (x = 0; x < avctx->width; x++) { + int r, g, b; + + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff; + dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff; + dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff; + } + } + + dst_r += p->linesize[2] / 2; + dst_g += p->linesize[0] / 2; + dst_b += p->linesize[1] / 2; + + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst_r[x] = get_bits(gb, 10); + dst_g[x] = get_bits(gb, 10); + dst_b[x] = get_bits(gb, 10); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int r, g, b; + + pred_TL[0] = pred_L[0] = dst_r[-p->linesize[2] / 2]; + pred_TL[1] = pred_L[1] = dst_g[-p->linesize[0] / 2]; + pred_TL[2] = pred_L[2] = dst_b[-p->linesize[1] / 2]; + + for (x = 0; x < avctx->width; x++) { + pred_T[0] = dst_r[-p->linesize[2] / 2 + x]; + pred_T[1] = dst_g[-p->linesize[0] / 2 + x]; + pred_T[2] = dst_b[-p->linesize[1] / 2 + x]; + + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst_r[x] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff; + dst_g[x] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff; + dst_b[x] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff; + + pred_TL[0] = pred_T[0]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + } + } + + dst_r += p->linesize[2] / 2; + dst_g += p->linesize[0] / 2; + dst_b += p->linesize[1] / 2; + } +} + +static void decode_argbi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst; + int x, y; + + dst = p->data[0]; + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst[x * 4 + 0] = get_bits(gb, 8); + dst[x * 4 + 1] = get_bits(gb, 8); + dst[x * 4 + 2] = get_bits(gb, 8); + dst[x * 4 + 3] = get_bits(gb, 8); + } + } else { + int pred[4] = { -128, -128, -128, -128 }; + + for (x = 0; x < avctx->width; x++) { + int a, r, g, b; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst[4 * x + 0] = pred[0] = (a + pred[0]) & 0xff; + dst[4 * x + 1] = pred[1] = (r + pred[1]) & 0xff; + dst[4 * x + 2] = pred[2] = (r + g + pred[2]) & 0xff; + dst[4 * x + 3] = pred[3] = (r + g + b + pred[3]) & 0xff; + } + } + + dst += p->linesize[0]; + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst[x * 4 + 0] = get_bits(gb, 8); + dst[x * 4 + 1] = get_bits(gb, 8); + dst[x * 4 + 2] = get_bits(gb, 8); + dst[x * 4 + 3] = get_bits(gb, 8); + } + } else { + int pred_L[4]; + int a, r, g, b; + + pred_L[0] = dst[-p->linesize[0] + 0]; + pred_L[1] = dst[-p->linesize[0] + 1]; + pred_L[2] = dst[-p->linesize[0] + 2]; + pred_L[3] = dst[-p->linesize[0] + 3]; + + for (x = 0; x < avctx->width; x++) { + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst[4 * x + 0] = pred_L[0] = (a + pred_L[0]) & 0xff; + dst[4 * x + 1] = pred_L[1] = (r + pred_L[1]) & 0xff; + dst[4 * x + 2] = pred_L[2] = (r + g + pred_L[2]) & 0xff; + dst[4 * x + 3] = pred_L[3] = (r + g + b + pred_L[3]) & 0xff; + } + } + dst += p->linesize[0]; + } +} + +static void decode_argb(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst; + int x, y; + + dst = p->data[0]; + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst[x * 4 + 0] = get_bits(gb, 8); + dst[x * 4 + 1] = get_bits(gb, 8); + dst[x * 4 + 2] = get_bits(gb, 8); + dst[x * 4 + 3] = get_bits(gb, 8); + } + } else { + int pred[4] = { -128, -128, -128, -128 }; + + for (x = 0; x < avctx->width; x++) { + int a, r, g, b; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst[4 * x + 0] = pred[0] = (a + pred[0]) & 0xff; + dst[4 * x + 1] = pred[1] = (r + pred[1]) & 0xff; + dst[4 * x + 2] = pred[2] = (r + g + pred[2]) & 0xff; + dst[4 * x + 3] = pred[3] = (r + g + b + pred[3]) & 0xff; + } + } + + dst += p->linesize[0]; + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst[x * 4 + 0] = get_bits(gb, 8); + dst[x * 4 + 1] = get_bits(gb, 8); + dst[x * 4 + 2] = get_bits(gb, 8); + dst[x * 4 + 3] = get_bits(gb, 8); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int a, r, g, b; + + pred_TL[0] = pred_L[0] = dst[-p->linesize[0] + 0]; + pred_TL[1] = pred_L[1] = dst[-p->linesize[0] + 1]; + pred_TL[2] = pred_L[2] = dst[-p->linesize[0] + 2]; + pred_TL[3] = pred_L[3] = dst[-p->linesize[0] + 3]; + + for (x = 0; x < avctx->width; x++) { + pred_T[0] = dst[-p->linesize[0] + 4 * x + 0]; + pred_T[1] = dst[-p->linesize[0] + 4 * x + 1]; + pred_T[2] = dst[-p->linesize[0] + 4 * x + 2]; + pred_T[3] = dst[-p->linesize[0] + 4 * x + 3]; + + a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst[4 * x + 0] = pred_L[0] = (a + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff; + dst[4 * x + 1] = pred_L[1] = (r + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff; + dst[4 * x + 2] = pred_L[2] = (r + g + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff; + dst[4 * x + 3] = pred_L[3] = (r + g + b + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0xff; + + pred_TL[0] = pred_T[0]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + pred_TL[3] = pred_T[3]; + } + } + dst += p->linesize[0]; + } +} + +static void decode_rgbi(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst; + int x, y; + + dst = p->data[0]; + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst[x * 4 + 0] = get_bits(gb, 8); + dst[x * 4 + 1] = get_bits(gb, 8); + dst[x * 4 + 2] = get_bits(gb, 8); + } + } else { + int pred[4] = { -128, -128, -128, -128 }; + + for (x = 0; x < avctx->width; x++) { + int r, g, b; + + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst[4 * x + 0] = pred[0] = (r + pred[0]) & 0xff; + dst[4 * x + 1] = pred[1] = (r + g + pred[1]) & 0xff; + dst[4 * x + 2] = pred[2] = (r + g + b + pred[2]) & 0xff; + } + } + + dst += p->linesize[0]; + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst[x * 4 + 0] = get_bits(gb, 8); + dst[x * 4 + 1] = get_bits(gb, 8); + dst[x * 4 + 2] = get_bits(gb, 8); + } + } else { + int pred_L[4]; + int r, g, b; + + pred_L[0] = dst[-p->linesize[0] + 0]; + pred_L[1] = dst[-p->linesize[0] + 1]; + pred_L[2] = dst[-p->linesize[0] + 2]; + + for (x = 0; x < avctx->width; x++) { + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst[4 * x + 0] = pred_L[0] = (r + pred_L[0]) & 0xff; + dst[4 * x + 1] = pred_L[1] = (r + g + pred_L[1]) & 0xff; + dst[4 * x + 2] = pred_L[2] = (r + g + b + pred_L[2]) & 0xff; + } + } + dst += p->linesize[0]; + } +} + +static void decode_rgb(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb) +{ + SheerVideoContext *s = avctx->priv_data; + uint8_t *dst; + int x, y; + + dst = p->data[0]; + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst[x * 4 + 0] = get_bits(gb, 8); + dst[x * 4 + 1] = get_bits(gb, 8); + dst[x * 4 + 2] = get_bits(gb, 8); + } + } else { + int pred[4] = { -128, -128, -128, -128 }; + + for (x = 0; x < avctx->width; x++) { + int r, g, b; + + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst[4 * x + 0] = pred[0] = (r + pred[0]) & 0xff; + dst[4 * x + 1] = pred[1] = (r + g + pred[1]) & 0xff; + dst[4 * x + 2] = pred[2] = (r + g + b + pred[2]) & 0xff; + } + } + + dst += p->linesize[0]; + for (y = 1; y < avctx->height; y++) { + if (get_bits1(gb)) { + for (x = 0; x < avctx->width; x++) { + dst[x * 4 + 0] = get_bits(gb, 8); + dst[x * 4 + 1] = get_bits(gb, 8); + dst[x * 4 + 2] = get_bits(gb, 8); + } + } else { + int pred_TL[4], pred_L[4], pred_T[4]; + int r, g, b; + + pred_TL[0] = pred_L[0] = dst[-p->linesize[0] + 0]; + pred_TL[1] = pred_L[1] = dst[-p->linesize[0] + 1]; + pred_TL[2] = pred_L[2] = dst[-p->linesize[0] + 2]; + + for (x = 0; x < avctx->width; x++) { + pred_T[0] = dst[-p->linesize[0] + 4 * x + 0]; + pred_T[1] = dst[-p->linesize[0] + 4 * x + 1]; + pred_T[2] = dst[-p->linesize[0] + 4 * x + 2]; + + r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2); + g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2); + + dst[4 * x + 0] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff; + dst[4 * x + 1] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff; + dst[4 * x + 2] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff; + + pred_TL[0] = pred_T[0]; + pred_TL[1] = pred_T[1]; + pred_TL[2] = pred_T[2]; + } + } + dst += p->linesize[0]; + } +} + +static int build_vlc(VLC *vlc, const uint8_t *len, int count) +{ + uint32_t codes[1024]; + uint8_t bits[1024]; + uint16_t syms[1024]; + uint64_t index; + int i; + + index = 0; + for (i = 0; i < count; i++) { + codes[i] = index >> (32 - len[i]); + bits[i] = len[i]; + syms[i] = i; + index += 1ULL << (32 - len[i]); + } + + ff_free_vlc(vlc); + return ff_init_vlc_sparse(vlc, 16, count, + bits, sizeof(*bits), sizeof(*bits), + codes, sizeof(*codes), sizeof(*codes), + syms, sizeof(*syms), sizeof(*syms), 0); +} + +static int decode_frame(AVCodecContext *avctx, + void *data, int *got_frame, + AVPacket *avpkt) +{ + SheerVideoContext *s = avctx->priv_data; + ThreadFrame frame = { .f = data }; + AVFrame *p = data; + GetBitContext gb; + unsigned format; + int ret; + + if (avpkt->size <= 20) + return AVERROR_INVALIDDATA; + + if (AV_RL32(avpkt->data) != MKTAG('S','h','i','r') && + AV_RL32(avpkt->data) != MKTAG('Z','w','a','k')) + return AVERROR_INVALIDDATA; + + s->alt = 0; + format = AV_RL32(avpkt->data + 16); + av_log(avctx, AV_LOG_DEBUG, "format: %s\n", av_fourcc2str(format)); + switch (format) { + case MKTAG(' ', 'R', 'G', 'B'): + avctx->pix_fmt = AV_PIX_FMT_RGB0; + s->decode_frame = decode_rgb; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_r_rgb, 256); + ret |= build_vlc(&s->vlc[1], l_g_rgb, 256); + } + break; + case MKTAG(' ', 'r', 'G', 'B'): + avctx->pix_fmt = AV_PIX_FMT_RGB0; + s->decode_frame = decode_rgbi; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_r_rgbi, 256); + ret |= build_vlc(&s->vlc[1], l_g_rgbi, 256); + } + break; + case MKTAG('A', 'R', 'G', 'X'): + avctx->pix_fmt = AV_PIX_FMT_GBRAP10; + s->decode_frame = decode_argx; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_r_rgbx, 1024); + ret |= build_vlc(&s->vlc[1], l_g_rgbx, 1024); + } + break; + case MKTAG('A', 'r', 'G', 'X'): + avctx->pix_fmt = AV_PIX_FMT_GBRAP10; + s->decode_frame = decode_argxi; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_r_rgbxi, 1024); + ret |= build_vlc(&s->vlc[1], l_g_rgbxi, 1024); + } + break; + case MKTAG('R', 'G', 'B', 'X'): + avctx->pix_fmt = AV_PIX_FMT_GBRP10; + s->decode_frame = decode_rgbx; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_r_rgbx, 1024); + ret |= build_vlc(&s->vlc[1], l_g_rgbx, 1024); + } + break; + case MKTAG('r', 'G', 'B', 'X'): + avctx->pix_fmt = AV_PIX_FMT_GBRP10; + s->decode_frame = decode_rgbxi; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_r_rgbxi, 1024); + ret |= build_vlc(&s->vlc[1], l_g_rgbxi, 1024); + } + break; + case MKTAG('A', 'R', 'G', 'B'): + avctx->pix_fmt = AV_PIX_FMT_ARGB; + s->decode_frame = decode_argb; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_r_rgb, 256); + ret |= build_vlc(&s->vlc[1], l_g_rgb, 256); + } + break; + case MKTAG('A', 'r', 'G', 'B'): + avctx->pix_fmt = AV_PIX_FMT_ARGB; + s->decode_frame = decode_argbi; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_r_rgbi, 256); + ret |= build_vlc(&s->vlc[1], l_g_rgbi, 256); + } + break; + case MKTAG('A', 'Y', 'B', 'R'): + s->alt = 1; + case MKTAG('A', 'Y', 'b', 'R'): + avctx->pix_fmt = AV_PIX_FMT_YUVA444P; + s->decode_frame = decode_aybr; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybr, 256); + ret |= build_vlc(&s->vlc[1], l_u_ybr, 256); + } + break; + case MKTAG('A', 'y', 'B', 'R'): + s->alt = 1; + case MKTAG('A', 'y', 'b', 'R'): + avctx->pix_fmt = AV_PIX_FMT_YUVA444P; + s->decode_frame = decode_aybri; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybri, 256); + ret |= build_vlc(&s->vlc[1], l_u_ybri, 256); + } + break; + case MKTAG(' ', 'Y', 'B', 'R'): + s->alt = 1; + case MKTAG(' ', 'Y', 'b', 'R'): + avctx->pix_fmt = AV_PIX_FMT_YUV444P; + s->decode_frame = decode_ybr; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybr, 256); + ret |= build_vlc(&s->vlc[1], l_u_ybr, 256); + } + break; + case MKTAG(' ', 'y', 'B', 'R'): + s->alt = 1; + case MKTAG(' ', 'y', 'b', 'R'): + avctx->pix_fmt = AV_PIX_FMT_YUV444P; + s->decode_frame = decode_ybri; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybri, 256); + ret |= build_vlc(&s->vlc[1], l_u_ybri, 256); + } + break; + case MKTAG('Y', 'B', 'R', 0x0a): + avctx->pix_fmt = AV_PIX_FMT_YUV444P10; + s->decode_frame = decode_ybr10; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybr10, 1024); + ret |= build_vlc(&s->vlc[1], l_u_ybr10, 1024); + } + break; + case MKTAG('y', 'B', 'R', 0x0a): + avctx->pix_fmt = AV_PIX_FMT_YUV444P10; + s->decode_frame = decode_ybr10i; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybr10i, 1024); + ret |= build_vlc(&s->vlc[1], l_u_ybr10i, 1024); + } + break; + case MKTAG('C', 'A', '4', 'p'): + avctx->pix_fmt = AV_PIX_FMT_YUVA444P10; + s->decode_frame = decode_ca4p; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybr10, 1024); + ret |= build_vlc(&s->vlc[1], l_u_ybr10, 1024); + } + break; + case MKTAG('C', 'A', '4', 'i'): + avctx->pix_fmt = AV_PIX_FMT_YUVA444P10; + s->decode_frame = decode_ca4i; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybr10i, 1024); + ret |= build_vlc(&s->vlc[1], l_u_ybr10i, 1024); + } + break; + case MKTAG('B', 'Y', 'R', 'Y'): + avctx->pix_fmt = AV_PIX_FMT_YUV422P; + s->decode_frame = decode_byry; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_byry, 256); + ret |= build_vlc(&s->vlc[1], l_u_byry, 256); + } + break; + case MKTAG('B', 'Y', 'R', 'y'): + avctx->pix_fmt = AV_PIX_FMT_YUV422P; + s->decode_frame = decode_byryi; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_byryi, 256); + ret |= build_vlc(&s->vlc[1], l_u_byryi, 256); + } + break; + case MKTAG('Y', 'b', 'Y', 'r'): + avctx->pix_fmt = AV_PIX_FMT_YUV422P; + s->decode_frame = decode_ybyr; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_ybyr, 256); + ret |= build_vlc(&s->vlc[1], l_u_ybyr, 256); + } + break; + case MKTAG('C', '8', '2', 'p'): + avctx->pix_fmt = AV_PIX_FMT_YUVA422P; + s->decode_frame = decode_c82p; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_byry, 256); + ret |= build_vlc(&s->vlc[1], l_u_byry, 256); + } + break; + case MKTAG('C', '8', '2', 'i'): + avctx->pix_fmt = AV_PIX_FMT_YUVA422P; + s->decode_frame = decode_c82i; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_byryi, 256); + ret |= build_vlc(&s->vlc[1], l_u_byryi, 256); + } + break; + case MKTAG(0xa2, 'Y', 'R', 'Y'): + avctx->pix_fmt = AV_PIX_FMT_YUV422P10; + s->decode_frame = decode_yry10; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_yry10, 1024); + ret |= build_vlc(&s->vlc[1], l_u_yry10, 1024); + } + break; + case MKTAG(0xa2, 'Y', 'R', 'y'): + avctx->pix_fmt = AV_PIX_FMT_YUV422P10; + s->decode_frame = decode_yry10i; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_yry10i, 1024); + ret |= build_vlc(&s->vlc[1], l_u_yry10i, 1024); + } + break; + case MKTAG('C', 'A', '2', 'p'): + avctx->pix_fmt = AV_PIX_FMT_YUVA422P10; + s->decode_frame = decode_ca2p; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_yry10, 1024); + ret |= build_vlc(&s->vlc[1], l_u_yry10, 1024); + } + break; + case MKTAG('C', 'A', '2', 'i'): + avctx->pix_fmt = AV_PIX_FMT_YUVA422P10; + s->decode_frame = decode_ca2i; + if (s->format != format) { + ret = build_vlc(&s->vlc[0], l_y_yry10i, 1024); + ret |= build_vlc(&s->vlc[1], l_u_yry10i, 1024); + } + break; + default: + avpriv_request_sample(avctx, "unsupported format: 0x%X", format); + return AVERROR_PATCHWELCOME; + } + + if (s->format != format) { + if (ret < 0) + return ret; + s->format = format; + } + + p->pict_type = AV_PICTURE_TYPE_I; + p->key_frame = 1; + + if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0) + return ret; + + if ((ret = init_get_bits8(&gb, avpkt->data + 20, avpkt->size - 20)) < 0) + return ret; + + s->decode_frame(avctx, p, &gb); + + *got_frame = 1; + + return avpkt->size; +} + +#if HAVE_THREADS +static int decode_init_thread_copy(AVCodecContext *avctx) +{ + SheerVideoContext *s = avctx->priv_data; + + s->format = 0; + memset(&s->vlc[0], 0, sizeof(s->vlc[0])); + memset(&s->vlc[1], 0, sizeof(s->vlc[1])); + + return 0; +} +#endif + +static av_cold int decode_end(AVCodecContext *avctx) +{ + SheerVideoContext *s = avctx->priv_data; + + ff_free_vlc(&s->vlc[0]); + ff_free_vlc(&s->vlc[1]); + + return 0; +} + +AVCodec ff_sheervideo_decoder = { + .name = "sheervideo", + .long_name = NULL_IF_CONFIG_SMALL("BitJazz SheerVideo"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_SHEERVIDEO, + .priv_data_size = sizeof(SheerVideoContext), + .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), + .close = decode_end, + .decode = decode_frame, + .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS, +}; |