diff options
Diffstat (limited to 'libavcodec/v408enc.c')
| -rw-r--r-- | libavcodec/v408enc.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/libavcodec/v408enc.c b/libavcodec/v408enc.c new file mode 100644 index 0000000000..20f08c74ed --- /dev/null +++ b/libavcodec/v408enc.c @@ -0,0 +1,113 @@ +/* + * v408 encoder + * + * Copyright (c) 2012 Carl Eugen Hoyos + * + * 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 "libavutil/intreadwrite.h" +#include "avcodec.h" +#include "internal.h" + +static av_cold int v408_encode_init(AVCodecContext *avctx) +{ + avctx->coded_frame = av_frame_alloc(); + + if (!avctx->coded_frame) { + av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n"); + return AVERROR(ENOMEM); + } + + return 0; +} + +static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt, + const AVFrame *pic, int *got_packet) +{ + uint8_t *dst; + uint8_t *y, *u, *v, *a; + int i, j, ret; + + if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 4)) < 0) + return ret; + dst = pkt->data; + + avctx->coded_frame->key_frame = 1; + avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; + + y = pic->data[0]; + u = pic->data[1]; + v = pic->data[2]; + a = pic->data[3]; + + for (i = 0; i < avctx->height; i++) { + for (j = 0; j < avctx->width; j++) { + if (avctx->codec_id==AV_CODEC_ID_AYUV) { + *dst++ = v[j]; + *dst++ = u[j]; + *dst++ = y[j]; + *dst++ = a[j]; + } else { + *dst++ = u[j]; + *dst++ = y[j]; + *dst++ = v[j]; + *dst++ = a[j]; + } + } + y += pic->linesize[0]; + u += pic->linesize[1]; + v += pic->linesize[2]; + a += pic->linesize[3]; + } + + pkt->flags |= AV_PKT_FLAG_KEY; + *got_packet = 1; + return 0; +} + +static av_cold int v408_encode_close(AVCodecContext *avctx) +{ + av_freep(&avctx->coded_frame); + + return 0; +} + +#if CONFIG_AYUV_ENCODER +AVCodec ff_ayuv_encoder = { + .name = "ayuv", + .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_AYUV, + .init = v408_encode_init, + .encode2 = v408_encode_frame, + .close = v408_encode_close, + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE }, +}; +#endif +#if CONFIG_V408_ENCODER +AVCodec ff_v408_encoder = { + .name = "v408", + .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_V408, + .init = v408_encode_init, + .encode2 = v408_encode_frame, + .close = v408_encode_close, + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE }, +}; +#endif |