Jan Ekström (12019-02-21): > This fixes buffering of samples which causes sudden ballooning of > memory usage in case of no subtitle samples coming in for a while if > the filter chain had been re-initialized. > > You can also see messages a la: > "Error while add the frame to buffer source(Invalid argument)." > disappearing after filter chain re-initializations. > > Passes fate-sub2video. > > Example (memory usage before patch around 700+ MiB, after around 150MiB) : > /usr/bin/time -v ffmpeg -v verbose \ > -i > "https://megumin.fushizen.eu/samples/2019-01-18-audio_reconfig_causes_buffer_growth.ts"; > \ > -filter_complex > '[0:v:0]yadif=deint=interlaced[yadif_out];[yadif_out][0:s:0]overlay=eof_action=pass:repeatlast=0[overlay_out];[overlay_out]scale=1024:-2[video_out];[0:a:0]aresample=48000:async=1,aformat=channel_layouts=stereo[filtered_audio]' > \ > -map "[video_out]" \ > -c:v mpeg4 \ > -b:v 750k \ > -map "[filtered_audio]" \ > -c:a aac \ > -b:a 192k \ > "test.mp4"
Looks good, thanks. Regards, -- Nicolas George
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