[FFmpeg-devel] [PATCH] fftools: allow decoders to set AVFrame time_base

[Leo Izen <leo.izen@gmail.com>]

This patch allows decoders to set AVFrame->time_base, which
determines the units that AVFrame->pts will use. Currently
no decoders do this, but it will allow it in the future.
---
 fftools/ffmpeg.c | 3 ++-
 fftools/ffplay.c | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index 0e1477299d..e3ea7a6c29 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -2274,7 +2274,8 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_
     }
 
     if(best_effort_timestamp != AV_NOPTS_VALUE) {
-        int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
+        int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp,
+            decoded_frame->time_base.num ? decoded_frame->time_base : ist->st->time_base, AV_TIME_BASE_Q);
 
         if (ts != AV_NOPTS_VALUE)
             ist->next_pts = ist->pts = ts;
diff --git a/fftools/ffplay.c b/fftools/ffplay.c
index 9242047f5c..986b0831ac 100644
--- a/fftools/ffplay.c
+++ b/fftools/ffplay.c
@@ -1771,7 +1771,7 @@ static int get_video_frame(VideoState *is, AVFrame *frame)
         double dpts = NAN;
 
         if (frame->pts != AV_NOPTS_VALUE)
-            dpts = av_q2d(is->video_st->time_base) * frame->pts;
+            dpts = av_q2d(frame->time_base.num ? frame->time_base : is->video_st->time_base) * frame->pts;
 
         frame->sample_aspect_ratio = av_guess_sample_aspect_ratio(is->ic, is->video_st, frame);
 
-- 
2.37.3

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