[FFmpeg-cvslog] avisynth: Fix setting stream timebase

Marton Balint git at videolan.org
Sat Apr 1 13:10:02 EEST 2017


ffmpeg | branch: master | Marton Balint <cus at passwd.hu> | Mon Aug  8 19:24:18 2016 -0400| [bcefafa226dcda23d4d9af9601d19389cb918a5b] | committer: Diego Biurrun

avisynth: Fix setting stream timebase

Stream timebase should be set using avpriv_set_pts_info, otherwise
avctx->pkt_timebase is not correct, leading to A/V desync.

Signed-off-by: Marton Balint <cus at passwd.hu>
Reviewed-by: Stephen Hutchinson <qyot27 at gmail.com>
Signed-off-by: Diego Biurrun <diego at biurrun.de>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bcefafa226dcda23d4d9af9601d19389cb918a5b
---

 libavformat/avisynth.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
index 7d5b139..0e1365b 100644
--- a/libavformat/avisynth.c
+++ b/libavformat/avisynth.c
@@ -237,13 +237,12 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
     st->codecpar->width      = avs->vi->width;
     st->codecpar->height     = avs->vi->height;
 
-    st->time_base         = (AVRational) { avs->vi->fps_denominator,
-                                           avs->vi->fps_numerator };
     st->avg_frame_rate    = (AVRational) { avs->vi->fps_numerator,
                                            avs->vi->fps_denominator };
     st->start_time        = 0;
     st->duration          = avs->vi->num_frames;
     st->nb_frames         = avs->vi->num_frames;
+    avpriv_set_pts_info(st, 32, avs->vi->fps_denominator, avs->vi->fps_numerator);
 
     switch (avs->vi->pixel_type) {
 #ifdef USING_AVISYNTH
@@ -311,9 +310,8 @@ static int avisynth_create_stream_audio(AVFormatContext *s, AVStream *st)
     st->codecpar->codec_type  = AVMEDIA_TYPE_AUDIO;
     st->codecpar->sample_rate = avs->vi->audio_samples_per_second;
     st->codecpar->channels    = avs->vi->nchannels;
-    st->time_base          = (AVRational) { 1,
-                                            avs->vi->audio_samples_per_second };
-    st->duration           = avs->vi->num_audio_samples;
+    st->duration              = avs->vi->num_audio_samples;
+    avpriv_set_pts_info(st, 64, 1, avs->vi->audio_samples_per_second);
 
     switch (avs->vi->sample_type) {
     case AVS_SAMPLE_INT8:



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