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authorPeter Ross <pross@xvid.org>2013-12-23 20:37:28 +1100
committerMichael Niedermayer <michaelni@gmx.at>2013-12-23 15:55:54 +0100
commit6da21c1f8190d674fd1e5619bb148c1bbab8ca3c (patch)
treeba5e70fdd549e64819fb2fcca13469a6a7175883 /libavformat/wtvenc.c
parentf93b0abe4041b75f0dbb590ee932b37a07662856 (diff)
downloadffmpeg-streaming-6da21c1f8190d674fd1e5619bb148c1bbab8ca3c.zip
ffmpeg-streaming-6da21c1f8190d674fd1e5619bb148c1bbab8ca3c.tar.gz
wtvenc: populate VIDEOINFOHEADER2
Fixes ticket #2835. Signed-off-by: Peter Ross <pross@xvid.org> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/wtvenc.c')
-rw-r--r--libavformat/wtvenc.c51
1 files changed, 43 insertions, 8 deletions
diff --git a/libavformat/wtvenc.c b/libavformat/wtvenc.c
index 04e6cc2..ba0f178 100644
--- a/libavformat/wtvenc.c
+++ b/libavformat/wtvenc.c
@@ -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);
}
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