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FFmpeg/libswresample

History

Gyan Doshi be8a4f80b9 swr/swresample: avoid reapplication of firstpts ... During a resampling operation where 1) user has specified first_pts 2) SWR_FLAG_RESAMPLE is not set initially (directly or otherwise) 3) first_pts has been fulfilled (always using hard compensation) then upon first encountering a delay where a soft compensation is required, swr_set_compensation will lead to another init of swr which will reset outpts to the specified firstpts thus leading to an output frame having its pts = firstpts. When the next input frame is received, swr will see a large delay and inject silence from firstpts to the current frame's pts. This can lead to severe desync and in worst case, loss of audio playback. Parameter firstpts initialized to AV_NOPTS_VALUE in swr_alloc and then checked in swr_init to avoid resetting outpts, thus avoiding reapplication of firstpts. Fixes #4131.		11 months ago
..
aarch64	aarch64: Reindent all assembly to 8/24 column indentation	1 year ago
arm	Include attributes.h directly	4 years ago
tests	swresample: convert to new channel layout API	3 years ago
x86	swresample/swresample: add a used channel layout option using the new API	2 years ago
Makefile	configure: always enable gnu_windres if available	2 years ago
audioconvert.c	all: Replace if (ARCH_FOO) checks by #if ARCH_FOO	2 years ago
audioconvert.h	avutil/internal, swresample/audioconvert: Remove cpu.h inclusions	3 years ago
dither.c	…
dither_template.c	…
libswresample.v	…
log2_tab.c	…
noise_shaping_data.c	swresample/noise_shaping_data: Remove unused tables	2 years ago
options.c	swr/swresample: avoid reapplication of firstpts	11 months ago
rematrix.c	swresample/swresample: add a used channel layout option using the new API	2 years ago
rematrix_template.c	swresample: convert to new channel layout API	3 years ago
resample.c	Move bessel_i0() from swresample/resample to avutil/mathematics	1 year ago
resample.h	…
resample_dsp.c	all: Replace if (ARCH_FOO) checks by #if ARCH_FOO	2 years ago
resample_template.c	…
soxr_resample.c	…
swresample.c	swr/swresample: avoid reapplication of firstpts	11 months ago
swresample.h	swresample: Fix Doxy reference to AVOptions	2 years ago
swresample_frame.c	swresample/swresample_frame: fix regression in detecting changes	2 years ago
swresample_internal.h	swresample/swresample: add a used channel layout option using the new API	2 years ago
swresampleres.rc	…
version.c	lib*/version: Move library version functions into files of their own	3 years ago
version.h	Bump versions after 6.1	1 year ago
version_major.h	libswresample: Split version.h	3 years ago