virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

Merge commit 'd00a8fd417ad20cecbc7ca17b25f352655148fb1'

Browse Source 
* commit 'd00a8fd417ad20cecbc7ca17b25f352655148fb1':
  yuv4mpeg: Use the wrapped avframe pseudo-encoder

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
This commit is contained in:
Hendrik Leppkes 2015-10-14 13:44:33 +02:00
commit 1dd5f3340e
1 changed files with 11 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
libavformat/yuv4mpegenc.c
View File

@ -138,15 +138,14 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
{
AVStream *st = s->streams[pkt->stream_index];
AVIOContext *pb = s->pb;
AVPicture *picture, picture_tmp;
AVFrame *frame;
int* first_pkt = s->priv_data;
int width, height, h_chroma_shift, v_chroma_shift;
int i;
char buf2[Y4M_LINE_MAX + 1];
uint8_t *ptr, *ptr1, *ptr2;
memcpy(&picture_tmp, pkt->data, sizeof(AVPicture));
picture = &picture_tmp;
frame = (AVFrame *)pkt->data;
/* for the first packet we have to output the header as well */
if (*first_pkt) {
@ -167,7 +166,7 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
width = st->codec->width;
height = st->codec->height;
ptr = picture->data[0];
ptr = frame->data[0];
switch (st->codec->pix_fmt) {
case AV_PIX_FMT_GRAY8:
@ -202,7 +201,7 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
for (i = 0; i < height; i++) {
avio_write(pb, ptr, width);
ptr += picture->linesize[0];
ptr += frame->linesize[0];
}
if (st->codec->pix_fmt != AV_PIX_FMT_GRAY8 &&
@ -213,15 +212,15 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
width = FF_CEIL_RSHIFT(width, h_chroma_shift);
height = FF_CEIL_RSHIFT(height, v_chroma_shift);
ptr1 = picture->data[1];
ptr2 = picture->data[2];
ptr1 = frame->data[1];
ptr2 = frame->data[2];
for (i = 0; i < height; i++) { /* Cb */
avio_write(pb, ptr1, width);
ptr1 += picture->linesize[1];
ptr1 += frame->linesize[1];
}
for (i = 0; i < height; i++) { /* Cr */
avio_write(pb, ptr2, width);
ptr2 += picture->linesize[2];
ptr2 += frame->linesize[2];
}
}
@ -235,8 +234,8 @@ static int yuv4_write_header(AVFormatContext *s)
if (s->nb_streams != 1)
return AVERROR(EIO);
if (s->streams[0]->codec->codec_id != AV_CODEC_ID_RAWVIDEO) {
av_log(s, AV_LOG_ERROR, "ERROR: Only rawvideo supported.\n");
if (s->streams[0]->codec->codec_id != AV_CODEC_ID_WRAPPED_AVFRAME) {
av_log(s, AV_LOG_ERROR, "ERROR: Codec not supported.\n");
return AVERROR_INVALIDDATA;
}
@ -298,8 +297,7 @@ AVOutputFormat ff_yuv4mpegpipe_muxer = {
.extensions = "y4m",
.priv_data_size = sizeof(int),
.audio_codec = AV_CODEC_ID_NONE,
.video_codec = AV_CODEC_ID_RAWVIDEO,
.video_codec = AV_CODEC_ID_WRAPPED_AVFRAME,
.write_header = yuv4_write_header,
.write_packet = yuv4_write_packet,
.flags = AVFMT_RAWPICTURE,
};