Re: [FFmpeg-devel] [PATCH] avformat/movenc: Support alpha channel for AVIF

error happened: ./ffmpeg -i alpha.png -filter_complex [0:v]alphaextract[a] -map 0 -map [a] -still-picture 1 avif_with_alpha.avif ffmpeg version N-106936-gff5ea89da2 Copyright (c) 2000-2022 the FFmpeg developers built with gcc 11 (Ubuntu 11.2.0-19ubuntu1) configuration: --disable-ffplay

Re: [FFmpeg-devel] [PATCH] avformat/movenc: Support alpha channel for AVIF

some error happened: On Thu, May 19, 2022 at 5:56 AM Vignesh Venkatasubramanian < vigneshv-at-google@ffmpeg.org> wrote: > AVIF specification allows for alpha channel as an auxillary item (in > case of still images) or as an auxillary track (in case of animated > images). Add support for

Re: [FFmpeg-devel] 2nd ping

look good for me On Thu, Apr 21, 2022 at 9:55 PM MCC CS wrote: > It would be great if anyone who reads this could review this small patch > (original: > https://ffmpeg.org/pipermail/ffmpeg-devel/2022-April/295351.html): > > This is a repost of the patch by Chris Snowhill who originally sent

Re: [FFmpeg-devel] [PATCH 9/9] avcodec/mips: [loongson] optimize vp8 decoding in vp8dsp.

On Wed, Jul 11, 2018 at 5:46 PM, Shiyou Yin wrote: > From: gxw > > Optimize vp8 loop filter with mmi, four functions optimized: > 1. ff_vp8_h_loop_filter8uv_mmi. > 2. ff_vp8_v_loop_filter8uv_mmi. > 3. ff_vp8_h_loop_filter16_mmi. > 4. ff_vp8_v_loop_filter16_mmi. > > Vp8 decoding speed improved

Re: [FFmpeg-devel] [PATCH]: Change Stack Frame Limit in Cuda Context

On Thu, Jan 25, 2018 at 7:44 AM, Ben Chang wrote: > Hi, > > Please help review this patch to reduce stack frame size per GPU thread. > The default allocation size per thread (1024 bytes) is excessive and can be > reduced to 128 bytes based on nvidia cuda kernel compilation

Re: [FFmpeg-devel] [PATCH 2/7] avformat: add url field to AVFormatContext

On Sun, Jan 7, 2018 at 4:50 AM, Marton Balint wrote: > This will replace the 1024 character limited filename field. Compatiblity > for > output contexts are provided by copying filename field to URL if URL is > unset > and by providing an internal function for muxers to set both

Re: [FFmpeg-devel] [PATCH 1/6] fate: add atrac3p conversion test

On Wed, Jan 3, 2018 at 5:24 AM, Michael Niedermayer wrote: > On Sun, Dec 31, 2017 at 05:46:02PM +0800, mi...@brew.sh wrote: > > From: Misty De Meo > > > > --- > > tests/fate/atrac.mak | 4 > > 1 file changed, 4 insertions(+) > > > > diff --git

Re: [FFmpeg-devel] [PATCH 4/4] avfilter: use a mutex instead of atomics in avfilter_register()

i think we do not need lock. and we need keep on the last codec pointer. On Fri, Jan 5, 2018 at 2:28 AM, wm4 wrote: > On Thu, 4 Jan 2018 15:19:04 -0300 > James Almer wrote: > > > Signed-off-by: James Almer > > --- > > With this,

Re: [FFmpeg-devel] [PATCH v4] lavc/audiotoolboxenc: fix noise in encoded audio

maybe you should return 1, not return ret On Wed, Jan 3, 2018 at 12:54 PM, wrote: > From: Jiejun Zhang > > This fixes #6940 > > Although undocumented, AudioToolbox seems to require the data supplied > by the callback (i.e.

Re: [FFmpeg-devel] [PATCH][RFC]lavu/mem: Allow allocations close to max_alloc_size with av_fast_realloc()

what is the mean: min_size + min_size / 16 + 32 On Tue, Jan 2, 2018 at 9:00 AM, Carl Eugen Hoyos wrote: > 2018-01-02 1:14 GMT+01:00 Michael Niedermayer : > > On Mon, Jan 01, 2018 at 11:10:57PM +0100, Carl Eugen Hoyos wrote: > >> Hi! > >> > >>

Re: [FFmpeg-devel] [PATCH 24/29] avcodec/qsv: remove YUVJ pixel format usage

hi, why need to remove this format? On Sun, Dec 10, 2017 at 9:14 PM, Paul B Mahol wrote: > Signed-off-by: Paul B Mahol > --- > libavcodec/qsv.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c > index

Re: [FFmpeg-devel] [PATCH] avcodec/libx265.c - Add named option to set profile

can it list profiles and levels? On Wed, Dec 6, 2017 at 6:38 AM, Lou Logan wrote: > On Tue, 5 Dec 2017 19:46:09 +0530 > Gyan Doshi wrote: > > > From 13ad80871978fe7e5837863e0e2f7b7d6b356155 Mon Sep 17 00:00:00 2001 > > From: Gyan Doshi

Re: [FFmpeg-devel] [PATCH] avcodec/libx265.c - Add named option to set profile

i approve On Tue, Dec 5, 2017 at 5:22 PM, Gyan Doshi wrote: > > On 12/5/2017 2:33 PM, Hendrik Leppkes wrote: > >> >> Please just name the option "profile" to stay consistent with all the >> other encoders. >> > > Revised patch attached. > >

Re: [FFmpeg-devel] [PATCH] avfilter/formats: fix wrong function name in error message

I prefer option 1). and microsoft vc++ uspport __FUNCTION__ On Tue, Dec 5, 2017 at 1:42 PM, Jun Zhao wrote: > > > On 2017/12/5 2:32, Michael Niedermayer wrote: > > On Mon, Dec 04, 2017 at 11:07:11AM +0100, Hendrik Leppkes wrote: > >> On Mon, Dec 4, 2017 at 10:53 AM, Moritz

Re: [FFmpeg-devel] [PATCH V2] lavc/vp8: Fix HWAccel VP8 decoder can't support resolution change.

what is V1 and V2? On Tue, Dec 5, 2017 at 11:03 AM, Jun Zhao wrote: > ping ? > > On 2017/11/30 7:53, Jun Zhao wrote: > > V2: fix the V1 lead to webp crash issue. > > ___ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org >

Re: [FFmpeg-devel] [PATCH] ffmpeg: add return value check to suppress the build warning.

is it necessary to check AVERROR_EOF? On Thu, Nov 23, 2017 at 1:14 PM, Jun Zhao wrote: > > > On 2017/11/23 11:00, Carl Eugen Hoyos wrote: > > 2017-11-20 10:07 GMT+01:00 刘歧 : > > > >> diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c > >> index

Re: [FFmpeg-devel] [PATCH] avformat/hlsenc: creation of hls variant streams with master playlist in a single hlsenc instance

how to use the feature On Thu, Nov 16, 2017 at 5:10 PM, 刘歧 wrote: > > > 在 2017年11月16日，17:01，Dixit, Vishwanath 写道： > > > > > > > >> On 11/16/17, 12:09 PM, "刘歧" wrote: > >> > >> FATE test passed: Ubuntu, OS X, qemu+MIPS Linux,

Re: [FFmpeg-devel] ffmpeg have program decoding ACC ltam audo stream

how to download the ts file TS file http://www99.zippyshare.com/v/UwxzRccM/file.html On Fri, Sep 29, 2017 at 9:50 AM, wrote: > Thanks Carl; > > But the first audio track - Stream #0:4[0x3a2](zho): Audio: aac_latm > (HE-AAC) ([17][0][0][0] / 0x0011), 48000 Hz, 5.1, fltp >