[FFmpeg-devel] [PATCH] avformat/dump: Print stream start offsets for input streams

[FFmpeg-devel] [PATCH] avformat/dump: Print stream start offsets for input streams

[softworkz]

From: softworkz <softworkz@hotmail.com>

Seeing the offset of video and audio streams to each other is often
a useful metric in diagnosing and understanding issues with playback
or transcoding.
This commit adds those offsets to the stream info print.

Signed-off-by: softworkz <softworkz@hotmail.com>
---
    avformat/dump: Print stream start offsets for input streams
    
    Seeing the offset of video and audio streams to each other is often a
    useful metric in diagnosing and understanding issues with playback or
    transcoding. This commit adds those offsets to the stream info print.

Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-58%2Fsoftworkz%2Fsubmit_start_offsets-v1
Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-58/softworkz/submit_start_offsets-v1
Pull-Request: https://github.com/ffstaging/FFmpeg/pull/58

 libavformat/dump.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavformat/dump.c b/libavformat/dump.c
index 3d37623a41..8c7db7b275 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -678,6 +678,11 @@ FF_ENABLE_DEPRECATION_WARNINGS
             print_fps(1 / av_q2d(st->time_base), "tbn", log_level);
     }
 
+    if (st->start_time != AV_NOPTS_VALUE && st->start_time != 0 && st->time_base.den && st->time_base.num) {
+        const double stream_start = av_q2d(st->time_base) * st->start_time;
+        av_log(NULL, AV_LOG_INFO, ", Start-Time %.3fs", stream_start);
+    }
+
     dump_disposition(st->disposition, log_level);
     av_log(NULL, log_level, "\n");
 

base-commit: 0245e9382c748eba91645b65a377c4c9c4a44849
-- 
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