diff options
Diffstat (limited to 'libavcodec/tscc.c')
-rw-r--r-- | libavcodec/tscc.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/libavcodec/tscc.c b/libavcodec/tscc.c index c26853e6a5..b4931ec1ff 100644 --- a/libavcodec/tscc.c +++ b/libavcodec/tscc.c @@ -2,20 +2,20 @@ * TechSmith Camtasia decoder * Copyright (c) 2004 Konstantin Shishkov * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -47,6 +47,7 @@ typedef struct TsccContext { AVCodecContext *avctx; + AVFrame *frame; // Bits per pixel int bpp; @@ -68,21 +69,19 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, int buf_size = avpkt->size; CamtasiaContext * const c = avctx->priv_data; const unsigned char *encoded = buf; - AVFrame *frame = data; + AVFrame *frame = c->frame; int zret; // Zlib return code int ret, len = buf_size; - if ((ret = ff_get_buffer(avctx, frame, 0)) < 0){ - av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + if ((ret = ff_reget_buffer(avctx, frame)) < 0) return ret; - } zret = inflateReset(&c->zstream); if (zret != Z_OK) { av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret); return AVERROR_UNKNOWN; } - c->zstream.next_in = encoded; + c->zstream.next_in = (uint8_t*)encoded; c->zstream.avail_in = len; c->zstream.next_out = c->decomp_buf; c->zstream.avail_out = c->decomp_size; @@ -111,6 +110,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, memcpy(frame->data[1], c->pal, AVPALETTE_SIZE); } + if ((ret = av_frame_ref(data, frame)) < 0) + return ret; *got_frame = 1; /* always report that the buffer was completely consumed */ @@ -136,7 +137,7 @@ static av_cold int decode_init(AVCodecContext *avctx) break; case 32: avctx->pix_fmt = AV_PIX_FMT_RGB32; break; default: av_log(avctx, AV_LOG_ERROR, "Camtasia error: unknown depth %i bpp\n", avctx->bits_per_coded_sample); - return AVERROR_INVALIDDATA; + return AVERROR_PATCHWELCOME; } c->bpp = avctx->bits_per_coded_sample; // buffer size for RLE 'best' case when 2-byte code precedes each pixel and there may be padding after it too @@ -159,6 +160,8 @@ static av_cold int decode_init(AVCodecContext *avctx) return AVERROR_UNKNOWN; } + c->frame = av_frame_alloc(); + return 0; } @@ -167,6 +170,7 @@ static av_cold int decode_end(AVCodecContext *avctx) CamtasiaContext * const c = avctx->priv_data; av_freep(&c->decomp_buf); + av_frame_free(&c->frame); inflateEnd(&c->zstream); |