Timeline



Oct 15, 2018:

11:12 PM Ticket #7494 (Error concealment is broken for 422 content) updated by Carl Eugen Hoyos
The default behaviour is not a regression afaict, I can for example …
10:31 PM out2.m2v attached to Ticket #7494 by Marton Balint
corrupt input file
10:30 PM Ticket #7494 (Error concealment is broken for 422 content) created by Marton Balint
Summary of the bug: Error concealment is broken on the chroma planes …
10:18 PM Changeset in ffmpeg [b2adc316] by Anssi Hannula <anssi.hannula@iki.fi>
MAINTAINERS: remove myself as hls demuxer maintainer
6:52 PM Changeset in ffmpeg [41ed2c38] by Aman Gupta <aman@tmm1.net>
avcodec/cbs: ensure user_data is padded for GBC parsing Fixes crash …
6:52 PM Changeset in ffmpeg [b6c3a027] by Aman Gupta <aman@tmm1.net>
avcodec/cbs: fix crash in sei_pic_timestamp Signed-off-by: Aman Gupta …
6:52 PM Changeset in ffmpeg [64c50c0e] by Aman Gupta <aman@tmm1.net>
avcodec/cbs_h264: silence errors about end_of_seq nalus [ffmpeg] …
5:03 PM Changeset in ffmpeg [e1e6a312] by Paul B Mahol <onemda@gmail.com>
doc/filters: update silenceremove documentation
5:03 PM Changeset in ffmpeg [936376f3] by Paul B Mahol <onemda@gmail.com>
avfilter/af_silenceremove: use enum for threshold detection modes
5:03 PM Changeset in ffmpeg [631994b6] by Paul B Mahol <onemda@gmail.com>
avfilter/af_silenceremove: add enum for detection modes
5:03 PM Changeset in ffmpeg [454ed32d] by Paul B Mahol <onemda@gmail.com>
avfilter/af_silenceremove: add options description
5:03 PM Changeset in ffmpeg [a8536236] by Paul B Mahol <onemda@gmail.com>
avfilter/af_silenceremove: prefer outlink instead of inlink
5:03 PM Changeset in ffmpeg [346b2323] by Paul B Mahol <onemda@gmail.com>
avfilter/af_silenceremove: add mode options To control how threshold …
5:03 PM Changeset in ffmpeg [c07bc1d6] by Paul B Mahol <onemda@gmail.com>
avfilter/af_silenceremove: add options to keep min duration of silence
11:26 AM Ticket #7493 (Occasional invalid pts in RTP stream from an IP camera) updated by Carl Eugen Hoyos
Keywords changed
Please test current FFmpeg git head.
10:09 AM rtsp-occasional-nopts.log attached to Ticket #7493 by GeorgeKT
10:08 AM Ticket #7493 (Occasional invalid pts in RTP stream from an IP camera) created by GeorgeKT
Camera is a Sony WR630 ip camera When attempting to stream an RTSP …
8:48 AM Ticket #7492 (ffmpeg crashes when using autothreading (-threads 0)) updated by Elon Musk
Try latest master, because you are probably hitting bug in amerge …
8:39 AM Ticket #7492 (ffmpeg crashes when using autothreading (-threads 0)) updated by Hendrik
You are running out of memory. While in an ideal work it should not …
8:38 AM valgrind.sh attached to Ticket #7492 by ofarrnbacher
8:38 AM valgrind.log attached to Ticket #7492 by ofarrnbacher
valgrind log
8:38 AM gdb-out.log attached to Ticket #7492 by ofarrnbacher
gdb out
8:38 AM ffmpeg-test.sh attached to Ticket #7492 by ofarrnbacher
ffmpeg call with all parameters
8:37 AM ffmpeg-20181011-113543.log attached to Ticket #7492 by ofarrnbacher
ffmpeg_g -v 9 -loglevel 99
8:35 AM Ticket #7492 (ffmpeg crashes when using autothreading (-threads 0)) created by ofarrnbacher
Summary of the bug: How to reproduce: […] Results in: Error while …

Oct 14, 2018:

11:19 PM Changeset in ffmpeg [c27c7b49] by Michael Niedermayer <michael@niedermayer.cc>
avcodec/av1_parse: Check obu_size Fixes: out of array read Fixes: …
9:52 PM Changeset in ffmpeg [f099946f] by Marton Balint <cus@passwd.hu>
ffmpeg: log corrupted packets and frames Signed-off-by: Marton Balint …
7:07 PM Ticket #7491 (aac crashes with gcc 8.2 lto) updated by Hello71
seems to work
5:21 PM Ticket #7491 (aac crashes with gcc 8.2 lto) updated by Carl Eugen Hoyos
Priority, Version changed
Does the following change fix the crash for you? […]
4:33 PM Changeset in ffmpeg [5c98f8d8] by Timo Rothenpieler <timo@rothenpieler.org>
avcodec/cuviddec: properly take deinterlacing and display delay into …
4:21 PM Changeset in ffmpeg [e225db5d] by Timo Rothenpieler <timo@rothenpieler.org>
avcodec/cuviddec: properly take deinterlacing and display delay into …
4:14 PM Changeset in ffmpeg [7b23dd0] by Timo Rothenpieler <timo@rothenpieler.org>
avcodec/cuviddec: properly take deinterlacing and display delay into …
4:09 PM Changeset in ffmpeg [19546cfe] by Timo Rothenpieler <timo@rothenpieler.org>
avcodec/cuviddec: properly take deinterlacing and display delay into …
3:22 PM Ticket #7491 (aac crashes with gcc 8.2 lto) created by Hello71
Summary of the bug: it doesn't work. How to reproduce: 1. build …
12:19 PM Changeset in ffmpeg [40c4b9d] by Paul B Mahol <onemda@gmail.com>
avcodec/imm4: improve decoding of some files
11:06 AM Changeset in ffmpeg [fa7289e7] by Michael Niedermayer <michael@niedermayer.cc>
fate: Update checksums for recent mxf changes References: …

Oct 13, 2018:

8:17 PM Encode/H.264 edited by RavenWorks
Discussed in the IRC; this advice fixed my issue, and we agreed that … (diff)
7:44 PM Changeset in ffmpeg [3ab88a75] by Paul B Mahol <onemda@gmail.com>
doc/filters: do not mention removed option from afir filter
1:57 PM Changeset in ffmpeg [1ff6cb2c] by Luca Barbato <lu_zero@gentoo.org>
lavc/qsvenc_jpeg: set a default quality Keep alignment with vaapi …
1:57 PM Changeset in ffmpeg [4c5e77e0] by Luca Barbato <lu_zero@gentoo.org>
lavc/qsvenc_jpeg: add async_depth support Currently qsv (m)jpeg …
1:51 PM Ticket #6821 (SER file format) closed by Elon Musk
fixed: Fixed in 0709b0561f10b70172dac3dd42383abb998d9b2f.
1:40 PM Changeset in ffmpeg [0709b056] by Paul B Mahol <onemda@gmail.com>
avformat: add SER demuxer
1:17 PM Ticket #7490 (Build error with new ffnvcodec-headers 8.2.15.2) created by bermond
I'm getting the following error when trying to build ffmpeg git master …
12:12 PM Changeset in ffmpeg [296609f8] by Martin Vignali <martin.vignali@gmail.com>
swscale/x86/rgb2rgb : port shuffle 2103 mmxext to external asm and …
12:12 PM Changeset in ffmpeg [04afdbb5] by Martin Vignali <martin.vignali@gmail.com>
swscale/x86/rgb2rgb : remove mmx version for shuffle2103
12:03 PM ChangingFrameRate edited by slhck
formatting (diff)
12:03 PM Ticket #7477 (AAC duplicate channel element regression) closed by Carl Eugen Hoyos
fixed: Fixed by Michael in 8f1524802469cb701040561cd05a9a924dec3627
11:42 AM Ticket #6370 (Change in rotate metadata treatment between ffmpeg 3.2 and ffmpeg 3.3) updated by Carl Eugen Hoyos
Keywords changed
11:08 AM Changeset in ffmpeg [b4e29e62] by Carl Eugen Hoyos <ceffmpeg@gmail.com>
lavf/mxfenc: Remove two unused variables. Fixes the following …
10:58 AM Ticket #7486 (definition conflict of gmtime in time_internal.h) closed by Carl Eugen Hoyos
needs_more_info
10:58 AM Ticket #7489 (build of examples fails with avio_dir_cmd.o: In function `list_op': ...) closed by Carl Eugen Hoyos
worksforme: Please note that your configure line makes no sense (for no target), …
10:29 AM Ticket #7489 (build of examples fails with avio_dir_cmd.o: In function `list_op': ...) reopened by cortexembed
With your suggestion of course it completes, but this does not solve …
6:15 AM ChangingFrameRate edited by Gyan
some elaboration added; SU expln is for fps filter, not -r - also fps … (diff)

Oct 12, 2018:

8:25 PM Changeset in ffmpeg [5584abf6] by Martin Storsjö <martin@martin.st>
arm: Emit .thumb_func directives Prior to Xcode 9.3, the clang …
7:28 PM Changeset in ffmpeg [ef23ed6f] by Baptiste Coudurier <baptiste.coudurier@gmail.com>
lavf/mxfdec: demux s436m as eia608 subtitle track
7:28 PM Changeset in ffmpeg [9b7ab579] by Baptiste Coudurier <baptiste.coudurier@gmail.com>
lavf/mxfenc: support creating s436m data tracks
7:27 PM Changeset in ffmpeg [bb89109a] by Baptiste Coudurier <baptiste.coudurier@gmail.com>
avformat/mxfenc: correctly set content package rate in system element
7:27 PM Changeset in ffmpeg [84e8a87c] by Baptiste Coudurier <baptiste.coudurier@gmail.com>
avformat/mxfenc: update body partition with footer offset
7:26 PM Changeset in ffmpeg [ea55a11] by Baptiste Coudurier <baptiste.coudurier@gmail.com>
avformat/mxfenc: add mpeg-2 specific metadata, fix compatibility with …
7:15 PM Changeset in ffmpeg [3d38e45e] by Baptiste Coudurier <baptiste.coudurier@gmail.com>
avformat/mxfenc: write index delta entry array needed by sony vegas pro 11
5:24 PM Changeset in ffmpeg [330dd59a] by Paul B Mahol <onemda@gmail.com>
avcodec/imm4: stop using FAAN idct
4:48 PM Changeset in ffmpeg [0c14b73e] by Aman Gupta <aman@tmm1.net>
avcodec/avpacket: fix whitespace Signed-off-by: Aman Gupta <​aman@tmm1.net>
3:44 PM Ticket #7489 (build of examples fails with avio_dir_cmd.o: In function `list_op': ...) closed by Carl Eugen Hoyos
worksforme: […]
12:40 PM Ticket #7489 (build of examples fails with avio_dir_cmd.o: In function `list_op': ...) created by cortexembed
CC doc/examples/avio_dir_cmd.o LD …
11:22 AM Ticket #7488 (CRF value not working when encoding with libaom in AV1 (2)) updated by Carl Eugen Hoyos
Keywords, Version changed
Why do you believe this is an issue that can be fixed in FFmpeg?
9:53 AM Screenshot_331.png attached to Ticket #7488 by Ewout
Encode results
9:52 AM Screenshot_332.png attached to Ticket #7488 by Ewout
Encode settings
9:52 AM Ticket #7488 (CRF value not working when encoding with libaom in AV1 (2)) created by Ewout
Excuse me for reporting inconclusive data in my first ticket (#7483). …
9:08 AM Ticket #7487 (-out_channel_layout and -ac don't work in AutioToolBox encoder) updated by Carl Eugen Hoyos
Keywords, Version changed
9:07 AM Ticket #7486 (definition conflict of gmtime in time_internal.h) updated by Carl Eugen Hoyos
Priority, Keywords changed
Please either explain how I can reproduce the issue you see (this …
8:53 AM ChangingFrameRate created by slhck
create fps guide
8:47 AM WikiStart edited by slhck
(diff)
8:32 AM WikiStart edited by slhck
add stub for new page (diff)
5:31 AM Changeset in ffmpeg [967604fe] by Aman Gupta <aman@tmm1.net>
avcodec/h2645_parse: skip NALUs with no content after stripping all …
3:51 AM Changeset in ffmpeg [f6d48b61] by Aman Gupta <aman@tmm1.net>
avcodec/mediacodec: add av_mediacodec_render_buffer_at_time() The …
2:01 AM Ticket #7487 (-out_channel_layout and -ac don't work in AutioToolBox encoder) updated by Nock
This works, too.[…]
1:55 AM Ticket #7487 (-out_channel_layout and -ac don't work in AutioToolBox encoder) created by Nock
-out_channel_layout and -ac don't work in AutioToolBox encoder I use …
1:06 AM Changeset in ffmpeg [e265832c] by James Almer <jamrial@gmail.com>
libavcodec/libaomenc.c: Added code for computing PSNR/SSIM …

Oct 11, 2018:

10:53 PM Changeset in ffmpeg [ccd2b20a] by Michael Niedermayer <michael@niedermayer.cc>
avcodec/ffv1dec_template: Check for the end of input after 1024 pixels …
10:53 PM Changeset in ffmpeg [8f152480] by Michael Niedermayer <michael@niedermayer.cc>
avcodec/aacdec_template: Allow duplicated elements Such streams are …
1:47 PM Ticket #7486 (definition conflict of gmtime in time_internal.h) updated by cortexembed
I also stronly recommend to move function bodies from …
12:29 PM Ticket #7486 (definition conflict of gmtime in time_internal.h) created by cortexembed
When compiling ffmpeg on an embedded platform without gmtime support, …
11:09 AM AudioChannelManipulation edited by ThomasE
Linklabel changed (diff)
9:37 AM Changeset in ffmpeg [04e8b8b] by Luca Barbato <lu_zero@gentoo.org>
avcodec/libaomenc: export the Sequence Header OBU as extradata …
9:32 AM Changeset in ffmpeg [97c9a508] by Luca Barbato <lu_zero@gentoo.org>
avcodec/libaomenc: remove AVOption related to frame partitions …
7:16 AM Changeset in ffmpeg [f7affc6f] by Karthick Jeyapal <kjeyapal@akamai.com>
avformat/dashenc: only write video streams into HLS master playlist …
5:26 AM Changeset in ffmpeg [681aa7d1] by Zhong Li <zhong.li@intel.com>
lavu/qsv: make a copy as libmfx alignment requirement for uploading …
5:26 AM Changeset in ffmpeg [a5e1cb9e] by Zhong Li <zhong.li@intel.com>
lavu/hwcontext_qsv: Add support for AV_PIX_FMT_BGRA. …
12:05 AM Ticket #7482 (ffmpeg.c's discontinuity handling breaks when one of the A/V streams creeps) updated by Marton Balint
Cc changed

Oct 10, 2018:

11:17 PM Ticket #7476 (Invalid pts and duration generated for mp4 when converting from webm) updated by Robert Dowdle
Replying to Gyan: > Add -movflags +faststart and check. …
7:18 PM Encode/H.265 edited by slhck
remove link to x264 two-pass (diff)
6:04 PM Changeset in ffmpeg [7a6d88e] by Paul B Mahol <onemda@gmail.com>
avfilter/af_afir: remove again option, merge it with gtype
5:28 PM Changeset in ffmpeg [a628fa1f] by Paul B Mahol <onemda@gmail.com>
libavfilter: bump micro version to 101
5:28 PM Changeset in ffmpeg [4069d2d0] by Paul B Mahol <onemda@gmail.com>
libavfilter/ebur128: add scale parameter This allows switching …
5:26 PM Changeset in ffmpeg [d445bcb1] by Paul B Mahol <onemda@gmail.com>
libavfilter/ebur128: introduce target range This eases meeting the …
5:26 PM Changeset in ffmpeg [d5873909] by Paul B Mahol <onemda@gmail.com>
libavfilter/ebur128: add gauge option Allow to show short-term …
5:26 PM Changeset in ffmpeg [1cee8f03] by Paul B Mahol <onemda@gmail.com>
libavfilter/ebur128: add target value to statistics line …
5:26 PM Changeset in ffmpeg [d95c5b00] by Paul B Mahol <onemda@gmail.com>
libavfilter/ebur128: add target level option for EBUR128 visualization …
5:02 PM Ticket #7485 (HLS not accurately seeking on TS) created by Louis Letourneau
Summary of the bug: Seeking accurately in HLS videos doens't work, but …
3:39 PM Ticket #7484 (av_packet_ref(): Allocates array on zero src size) created by Gavin
Discovered a bug on a corner-case when exercising some unit tests I …
1:29 PM Ticket #7480 (HEVC codec info string) updated by tbucher
Thank you. With regards to the rest, yes, Apple apparently requires …
11:31 AM Ticket #7480 (HEVC codec info string) updated by Karthick Jeyapal
I have just now sent a patch to include the forced tag hvc1 instead of …
4:53 AM Ticket #7377 (Jumping mp4 playback) updated by Thirumalaisamy K
Cc changed

Oct 9, 2018:

10:14 PM Ticket #7483 (CRF value not working when encoding with libaom in AV1) closed by llogan
invalid
9:17 PM Ticket #7483 (CRF value not working when encoding with libaom in AV1) updated by Ewout
It looks like the encoder hit a ceiling around CRF 20 / 393 KB, where …
9:14 PM av1_test_Falcon9Timelapse360pcrf50.mkv attached to Ticket #7483 by Ewout
AV1 encoded CRF 50
9:14 PM av1_test_Falcon9Timelapse360pcrf40.mkv attached to Ticket #7483 by Ewout
AV1 encoded CRF 40
9:08 PM Ticket #7482 (ffmpeg.c's discontinuity handling breaks when one of the A/V streams creeps) updated by jeeb
Thank you for the bisect. I think that might only end up being the …
8:58 PM Ticket #7483 (CRF value not working when encoding with libaom in AV1) updated by Ewout
Maybe I jumped too quick to my conclusion, there is a little bit …
8:51 PM Ticket #7483 (CRF value not working when encoding with libaom in AV1) updated by Carl Eugen Hoyos
Keywords changed
8:49 PM Changeset in ffmpeg [f85fa10] by Carl Eugen Hoyos <ceffmpeg@gmail.com>
lavf/ftp: Remove an unneeded forward declaration.
8:47 PM av1_test_Falcon9Timelapse360pcrf30.mkv attached to Ticket #7483 by Ewout
AV1 encoded CRF 30
8:46 PM av1_test_Falcon9Timelapse360pcrf25.mkv attached to Ticket #7483 by Ewout
AV1 encoded CRF 25
8:46 PM av1_test_Falcon9Timelapse360pcrf20.mkv attached to Ticket #7483 by Ewout
AV1 encoded CRF 20
8:46 PM av1_test_Falcon9Timelapse360pcrf15.mkv attached to Ticket #7483 by Ewout
AV1 encoded CRF 15
8:40 PM Falcon9Timelapse360p.mp4 attached to Ticket #7483 by Ewout
Source Video (VP9)
8:39 PM Ticket #7483 (CRF value not working when encoding with libaom in AV1) created by Ewout
Summary of the bug: CRF value not working when encoding with libaom in …
8:36 PM Ticket #7482 (ffmpeg.c's discontinuity handling breaks when one of the A/V streams creeps) updated by Carl Eugen Hoyos
Priority, Keywords, Version changed
For the given sample, this is a regression since …
8:12 PM Ticket #368 (enable interface selection for udp multicast on ipv6) updated by Carl Eugen Hoyos
Version changed
8:09 PM Ticket #7083 (Decoder playing out frames at double speed) closed by Carl Eugen Hoyos
fixed: The issue should be fixed by Derek in …
8:09 PM Ticket #368 (enable interface selection for udp multicast on ipv6) updated by Marton Balint
Cc, Summary changed
For IPv4 this should work fine using the ?localaddr option.
8:09 PM crew_cif_timecode-2.h264 attached to Ticket #7475 by Carl Eugen Hoyos
8:08 PM Ticket #7475 (h264: Wrong framerate when frame threading enabled) closed by Carl Eugen Hoyos
fixed: b1504e7796a420c8748a2dcb12a2b780ecf42c04
7:55 PM Ticket #7481 (ffmpeg/ffprobe do not work with an FTP server) updated by Carl Eugen Hoyos
Keywords, Status, Version, Component, Reproduced by developer changed
For future tickets: Please remember to always provide the command line …
7:46 PM Changeset in ffmpeg [d6a1f711] by Marton Balint <cus@passwd.hu>
avfilter/af_asetnsamples: do not leak frame on ENOMEM Fixes Coverity …
7:46 PM Changeset in ffmpeg [6e6ecdf4] by Marton Balint <cus@passwd.hu>
ffmpeg: check return value of avcodec_parameters_from_context Fixes …
7:46 PM Changeset in ffmpeg [4db291d7] by Marton Balint <cus@passwd.hu>
avfilter/f_cue: always check the return value of …
7:38 PM Ticket #7480 (HEVC codec info string) updated by Carl Eugen Hoyos
Keywords changed
2:05 PM Changeset in ffmpeg [b1504e77] by Derek Buitenhuis <derek.buitenhuis@gmail.com>
h264_slice: Copy the value of x264_build before calling …
1:50 PM Ticket #7469 ("-hwaccel auto" fail in some case) updated by Samuel
I just read that a user using Windows 7 32-bit having a CPU supporting …
1:31 PM Ticket #7482 (ffmpeg.c's discontinuity handling breaks when one of the A/V streams creeps) updated by jeeb
And yes, one could mention that by making dts_delta_threshold larger …
1:17 PM Ticket #7482 (ffmpeg.c's discontinuity handling breaks when one of the A/V streams creeps) created by jeeb
Summary of the bug: The intra-stream discontinuity checker …
11:15 AM Ticket #7481 (ffmpeg/ffprobe do not work with an FTP server) created by boris-petrov
Running ffmpeg/ffprobe on this FTP server causes them both to block …
9:07 AM Ticket #7480 (HEVC codec info string) updated by tbucher
Keywords changed
6:15 AM Ticket #7397 ([ffmpeg-qsv][h264_ffmpeg]decode dump file has garbage on iHD driver.) updated by Linjie.Fu
Tested with the latest version of MSDK: …
6:12 AM Ticket #7476 (Invalid pts and duration generated for mp4 when converting from webm) updated by Gyan
Replying to cehoyos: > Replying to Gyan: > > …
4:14 AM Ticket #6463 (av_interleaved_write_frame(): Cannot allocate memory) updated by Roger Pack
Possibly related: ​https://trac.ffmpeg.org/ticket/4155
12:01 AM Changeset in ffmpeg [3fb09db] by James Almer <jamrial@gmail.com>
configure: <fflib>_deps: validate, reduce sensitivity - Allow to add …

Oct 8, 2018:

11:56 PM Changeset in ffmpeg [a634da28] by James Almer <jamrial@gmail.com>
configure: speed up check_deps() x4 - x25 faster. check_deps() …
11:56 PM Changeset in ffmpeg [df6e929e] by James Almer <jamrial@gmail.com>
configure: speed up print_enabled_components() x4 - x10 faster. …
11:55 PM Changeset in ffmpeg [42355d12] by James Almer <jamrial@gmail.com>
configure: speed up flatten_extralibs_wrapper() x50 - x200 faster. …
6:55 PM Ticket #7441 (deshake filter crashes) closed by Carl Eugen Hoyos
fixed: Fixed by Jun Zhao in 5a3ce4a92b84cded3aab7ffd7fb80e0c9130e74c
6:01 PM Ticket #7476 (Invalid pts and duration generated for mp4 when converting from webm) updated by Carl Eugen Hoyos
Replying to Gyan: > Use > > `ffmpeg -i MozilleTest …
5:39 PM Ticket #7476 (Invalid pts and duration generated for mp4 when converting from webm) updated by Robert Dowdle
Replying to Gyan: > For what it's worth, I see that …
3:37 PM Ticket #7480 (HEVC codec info string) created by tbucher
{{{ffmpeg -f lavfi -i testsrc -t 4 -c:v libx265 -tag:v? hvc1 …
3:00 PM Ticket #6833 (setpts filter incorrect handle current_pts value) updated by Telequid
Note: with latest FFmpeg (4.0.2), calling the fps filter before setpts …
11:38 AM Changeset in ffmpeg [e10fe34e] by Paul B Mahol <onemda@gmail.com>
avfilter/f_reverse: add packed sample format support to areverse
10:22 AM Changeset in ffmpeg [3cbf37bf] by Paul B Mahol <onemda@gmail.com>
avfilter/af_silenceremove: fix max for duration options
10:08 AM Ticket #7476 (Invalid pts and duration generated for mp4 when converting from webm) updated by Gyan
To be clear, I meant that ffmpeg will duplicate frames given the frame …
9:36 AM Ticket #7476 (Invalid pts and duration generated for mp4 when converting from webm) updated by jyavenard
would there be a way to detect if the frame is a duplicated one and …
9:07 AM Ticket #7476 (Invalid pts and duration generated for mp4 when converting from webm) updated by Gyan
WebM files, especially when generated via WebRTC, often show the …
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