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Read h264 headers from v4l2 to allow stream-copying. 

Fixes ticket #2882.
Analyzed and tested by William C Bonner.
This commit is contained in:
Carl Eugen Hoyos 2013-09-01 20:20:47 +02:00
parent 5be7aecc80
commit e337c9d564
1 changed files with 3 additions and 0 deletions
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3
libavdevice/v4l2.c
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@ -931,6 +931,9 @@ static int v4l2_read_header(AVFormatContext *s1)
if (codec_id == AV_CODEC_ID_RAWVIDEO)
st->codec->codec_tag =
avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt);
else if (codec_id == AV_CODEC_ID_H264) {
st->need_parsing = AVSTREAM_PARSE_HEADERS;
}
if (desired_format == V4L2_PIX_FMT_YVU420)
st->codec->codec_tag = MKTAG('Y', 'V', '1', '2');
else if (desired_format == V4L2_PIX_FMT_YVU410)