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wtvenc: populate VIDEOINFOHEADER2

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Fixes ticket #2835.

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Peter Ross 2013-12-23 20:37:28 +11:00 • committed by Michael Niedermayer
parent f93b0abe40
commit 6da21c1f81
3 changed files with 66 additions and 31 deletions
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51
libavformat/wtvenc.c
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@ -223,9 +223,50 @@ static void finish_chunk(AVFormatContext *s)
write_index(s);
}
static void put_videoinfoheader2(AVIOContext *pb, AVStream *st)
{
AVRational dar = av_mul_q(st->sample_aspect_ratio, (AVRational){st->codec->width, st->codec->height});
unsigned int num, den;
av_reduce(&num, &den, dar.num, dar.den, 0xFFFFFFFF);
/* VIDEOINFOHEADER2 */
avio_wl32(pb, 0);
avio_wl32(pb, 0);
avio_wl32(pb, st->codec->width);
avio_wl32(pb, st->codec->height);
avio_wl32(pb, 0);
avio_wl32(pb, 0);
avio_wl32(pb, 0);
avio_wl32(pb, 0);
avio_wl32(pb, st->codec->bit_rate);
avio_wl32(pb, 0);
avio_wl64(pb, st->avg_frame_rate.num && st->avg_frame_rate.den ? INT64_C(10000000) / av_q2d(st->avg_frame_rate) : 0);
avio_wl32(pb, 0);
avio_wl32(pb, 0);
avio_wl32(pb, num);
avio_wl32(pb, den);
avio_wl32(pb, 0);
avio_wl32(pb, 0);
ff_put_bmp_header(pb, st->codec, ff_codec_bmp_tags, 0, 1);
if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
/* MPEG2VIDEOINFO */
avio_wl32(pb, 0);
avio_wl32(pb, st->codec->extradata_size);
avio_wl32(pb, -1);
avio_wl32(pb, -1);
avio_wl32(pb, 0);
avio_write(pb, st->codec->extradata, st->codec->extradata_size);
avio_wl64(pb, 0);
}
}
static int write_stream_codec_info(AVFormatContext *s, AVStream *st)
{
WtvContext *wctx = s->priv_data;
const ff_asf_guid *g, *media_type, *format_type;
AVIOContext *pb = s->pb;
int64_t hdr_pos_start;
@ -257,13 +298,7 @@ static int write_stream_codec_info(AVFormatContext *s, AVStream *st)
hdr_pos_start = avio_tell(pb);
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
if (wctx->first_video_flag) {
write_pad(pb, 216); //The size is sensitive.
wctx->first_video_flag = 0;
} else {
write_pad(pb, 72); // aspect ratio
ff_put_bmp_header(pb, st->codec, ff_codec_bmp_tags, 0);
}
put_videoinfoheader2(pb, st);
} else {
ff_put_wav_header(pb, st->codec);
}