On 04-09-2019 03:47 PM, Gyan wrote:
On 02-09-2019 09:24 PM, Michael Niedermayer wrote:
On Sat, Aug 31, 2019 at 08:28:51PM +0530, Gyan wrote:
A user observed that stream_loop didn't work with very short FLV files.
seek_to_start in ffmpeg.c calls av_seek_frame with no flags; FLV
seek only
works with RTMP protocol so lavf falls back on seek_frame_generic which
searches forward, skipping a GOP. With files with two index entries in
stream, the file doesn't loop at all.
I switched to avformat_seek_file which will set the BACKWARDS flag when
seeking to start of file. stream_loop works and no frames are dropped.
FATE passes.
Gyan
ffmpeg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
c79dc6d27a9c8c1bd0cffa2d251b2aa7caf23bf3
0001-ffmpeg-switch-to-avformat_seek_file-for-stream_loop.patch
From 4af64f612c65378f0a220284ca99ad033ece8cd3 Mon Sep 17 00:00:00 2001
From: Gyan Doshi <ffm...@gyani.pro>
Date: Sat, 31 Aug 2019 19:45:58 +0530
Subject: [PATCH] ffmpeg: switch to avformat_seek_file for stream_loop
Fixes stream_loop with very short files where seeking is generic index
search
---
fftools/ffmpeg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
probably ok
it also might make sense to add the testcase to fate as you mentioned
"short"
New patches attached. Will send file to samples-request.
Test sample uploaded. Plan to push tonight.
Gyan
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