From c4e554701ec27b31b1b6396130b8bb2aaa0d4ad0 Mon Sep 17 00:00:00 2001 From: Roman Shaposhnik Date: Sun, 19 Sep 2004 02:05:22 +0000 Subject: * misc. fixes and hacks to improve timing detection in raw DV Originally committed as revision 3478 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/dv.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'libavformat/dv.c') diff --git a/libavformat/dv.c b/libavformat/dv.c index 31b3522056..f7e4d6f08e 100644 --- a/libavformat/dv.c +++ b/libavformat/dv.c @@ -741,11 +741,11 @@ DVDemuxContext* dv_init_demux(AVFormatContext *s) c->vst->codec.codec_type = CODEC_TYPE_VIDEO; c->vst->codec.codec_id = CODEC_ID_DVVIDEO; c->vst->codec.bit_rate = 25000000; + c->vst->start_time = 0; c->ast[0]->codec.codec_type = CODEC_TYPE_AUDIO; c->ast[0]->codec.codec_id = CODEC_ID_PCM_S16LE; - - s->ctx_flags |= AVFMTCTX_NOHEADER; + c->ast[0]->start_time = 0; return c; @@ -849,9 +849,18 @@ static int dv_read_header(AVFormatContext *s, AVFormatParameters *ap) { RawDVContext *c = s->priv_data; + const DVprofile* sys; c->dv_demux = dv_init_demux(s); + if (!c->dv_demux) + return -1; - return c->dv_demux ? 0 : -1; + if (get_buffer(&s->pb, c->buf, 4) <= 0 || url_fseek(&s->pb, -4, SEEK_CUR) < 0) + return AVERROR_IO; + + sys = dv_frame_profile(c->buf); + s->bit_rate = av_rescale(sys->frame_size * 8, sys->frame_rate, sys->frame_rate_base); + + return 0; } -- cgit v1.2.3