Hi Andriy,
What do you think of this patch?
The Initialization flow defined in
linux/Documentation/userspace-api/media/v4l/dev-decoder.rst
1. Set the coded format on OUTPUT via VIDIOC_S_FMT().
2. Allocate source (bytestream) buffers via VIDIOC_REQBUFS() on OUTPUT.
3. Start streaming on t
On Mon, Mar 21, 2022 at 09:40:46AM +0800, Steven Liu wrote:
> Michael Niedermayer 于2022年3月21日周一 07:31写道：
> >
> > Fixes: signed integer overflow: 77 * 100 cannot be
> > represented in type 'long long'
> > Fixes:
> > 45545/clusterfuzz-testcase-minimized-ffmpeg_dem_HLS_fuzzer-643810
On Mon, Mar 21, 2022 at 12:38 AM Andreas Rheinhardt
wrote:
>
> James Almer:
> > The function is not meant to clear codec parameters, and the lavf demux code
> > relies on this behavior.
> > Regression since 327efa66331ebdc0087c6b656059a8df2f404019.
> >
> > Signed-off-by: James Almer
> > ---
> >
Quoting Hendrik Leppkes (2022-03-21 08:37:43)
> On Mon, Mar 21, 2022 at 12:38 AM Andreas Rheinhardt
> wrote:
> >
> > James Almer:
> > > The function is not meant to clear codec parameters, and the lavf demux
> > > code
> > > relies on this behavior.
> > > Regression since 327efa66331ebdc0087c6b65
> -Original Message-
> From: ffmpeg-devel On Behalf Of
> "zhilizhao(???)"
> Sent: Monday, March 21, 2022 1:18 PM
> To: FFmpeg development discussions and patches
> Subject: Re: [FFmpeg-devel] [PATCH] libavcodec/qsvenc: enable
> LowDelayBRC and MaxFrameSizeI/MaxFrameSizeP for more accur
Feature introduction of LowDelayBRC, MaxFrameSizeI and MaxFrameSizeP could be
found here:
https://github.com/Intel-Media-SDK/MediaSDK/blob/master/doc/mediasdk-man.md
Signed-off-by: Dmitry Ermilov
Signed-off-by: Fan F He
---
doc/encoders.texi | 26 ++
libavcodec/qsvenc
sön 2022-03-20 klockan 15:06 +0100 skrev Michael Niedermayer:
> On Sun, Mar 20, 2022 at 02:05:41PM +0100, Tomas Härdin wrote:
> > lör 2022-03-19 klockan 23:50 +0100 skrev Michael Niedermayer:
> [...]
> > >
> > >
> > > >
> > > > > +
> > > > > + //avio_read() used int
> > > > > + if (c > INT
---
I'll apply in a couple days if there's no comments.
---
gas-preprocessor.pl | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gas-preprocessor.pl b/gas-preprocessor.pl
index 67b130e..59c93c1 100755
--- a/gas-preprocessor.pl
+++ b/gas-preprocessor.pl
@@ -943,7 +943,7 @@ su
On 3/20/2022 9:46 PM, Andreas Rheinhardt wrote:
James Almer:
On 3/20/2022 8:34 PM, Andreas Rheinhardt wrote:
James Almer:
On 3/20/2022 8:26 PM, Andreas Rheinhardt wrote:
James Almer:
It can uninitialize fields that may still be used after the context
was closed,
so do it instead in avcod
On 3/21/2022 4:51 AM, Anton Khirnov wrote:
Quoting Hendrik Leppkes (2022-03-21 08:37:43)
On Mon, Mar 21, 2022 at 12:38 AM Andreas Rheinhardt
wrote:
James Almer:
The function is not meant to clear codec parameters, and the lavf demux code
relies on this behavior.
Regression since 327efa66331e
On 18/03/2022 19:10, Andreas Rheinhardt wrote:
Ben Avison:
+static int vc1_unescape_buffer_neon(const uint8_t *src, int size, uint8_t *dst)
+{
+/* Dealing with starting and stopping, and removing escape bytes, are
+ * comparatively less time-sensitive, so are more clearly expressed using
On Tue, Mar 15, 2022 at 8:59 AM Vignesh Venkatasubramanian
wrote:
>
> On Thu, Mar 10, 2022 at 10:14 AM Vignesh Venkatasubramanian
> wrote:
> >
> > On Thu, Mar 10, 2022 at 8:01 AM Andreas Rheinhardt
> > wrote:
> > >
> > > Vignesh Venkatasubramanian:
> > > > Add an AVIF muxer by re-using the exist
Hi Martin,
Thanks very much for taking a look.
On 19/03/2022 23:06, Martin Storsjö wrote:
As you are writing assembly for these functions, I would very much
appreciate if you could add checkasm tests for all the functions you're
implementing. I see that there exists a test for the blockdsp fun
On Sat, Mar 19, 2022 at 06:38:08PM +0100, Michael Niedermayer wrote:
> On Fri, Mar 18, 2022 at 06:56:19PM +0100, Andreas Rheinhardt wrote:
> > Michael Niedermayer:
> > > Fixes: Out of array read
> > > Fixes:
> > > 45137/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_SUPERFRAME_SPLIT_fuzzer-49842706
On Sun, Mar 13, 2022 at 04:03:42PM -0300, James Almer wrote:
>
>
> On 3/12/2022 8:52 PM, Michael Niedermayer wrote:
> > Fixes: Out of array read
> > Fixes:
> > 45137/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_SUPERFRAME_SPLIT_fuzzer-4984270639202304
> >
> > Found-by: continuous fuzzing proce
On Thu, Mar 17, 2022 at 10:07:29PM -0300, James Almer wrote:
> avctx->ch_layout will be reinitialized using channel_mask later in the
> function.
>
> Signed-off-by: James Almer
> ---
> libavcodec/wmaprodec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/wma
Fixes: Out of array read
Fixes:
45722/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_SUPERFRAME_fuzzer-5173378975137792
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer
---
libavcodec/vp9_superframe_bsf.c | 2
Fixes: member access within null pointer of type 'const FFCodec' (aka 'const
struct FFCodec')
Fixes:
45726/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6554445419249664
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Mic
Fixes: division by zero
Fixes:
45811/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VMDAUDIO_fuzzer-6412592581574656
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer
---
libavcodec/vmdaudio.c | 2 +-
1 fil
Fixes: signed integer overflow: -128275513086 * -76056576 cannot be represented
in type 'long'
Fixes:
45818/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5129799149944832
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-
The inputs are unused except for this computation so wraparound
does not give an attacker any extra values as they are already fully
controlled
Fixes: signed integer overflow: 0 - -2147483648 cannot be represented in type
'int'
Fixes:
45820/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_f
On 3/21/2022 5:19 PM, Michael Niedermayer wrote:
Fixes: member access within null pointer of type 'const FFCodec' (aka 'const
struct FFCodec')
Fixes:
45726/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6554445419249664
Found-by: continuous fuzzing process
https://github.com/google/o
On Mon, 21 Mar 2022, Ben Avison wrote:
On 18/03/2022 19:10, Andreas Rheinhardt wrote:
Ben Avison:
+static int vc1_unescape_buffer_neon(const uint8_t *src, int size, uint8_t
*dst)
+{
+/* Dealing with starting and stopping, and removing escape bytes, are
+ * comparatively less time-sens
Vignesh Venkatasubramanian:
> Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
>
> AVIF Specifiation: https://aomediacodec.github.io/av1-avif
>
> Sample usage for still image:
> ffmpeg -i image.png -c:v libaom-av1 -avif-image 1 image.avif
>
> Sample usage for animated AVIF image:
>
Michael Niedermayer:
> Fixes: member access within null pointer of type 'const FFCodec' (aka 'const
> struct FFCodec')
> Fixes:
> 45726/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6554445419249664
>
> Found-by: continuous fuzzing process
> https://github.com/google/oss-fuzz/tree/master
On Tue, Feb 01, 2022 at 07:52:39PM +0100, Michael Niedermayer wrote:
> Fixes: division by zero
> Fixes:
> 43769/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AV1_fuzzer-5392562205097984
>
> Found-by: continuous fuzzing process
> https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
James Almer:
>
>
> On 3/21/2022 5:19 PM, Michael Niedermayer wrote:
>> Fixes: member access within null pointer of type 'const FFCodec' (aka
>> 'const struct FFCodec')
>> Fixes:
>> 45726/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6554445419249664
>>
>>
>> Found-by: continuous fuzzing pr
Michael Niedermayer:
> On Sat, Mar 19, 2022 at 06:38:08PM +0100, Michael Niedermayer wrote:
>> On Fri, Mar 18, 2022 at 06:56:19PM +0100, Andreas Rheinhardt wrote:
>>> Michael Niedermayer:
Fixes: Out of array read
Fixes:
45137/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_SUPERFRAME_
On 2/1/2022 3:52 PM, Michael Niedermayer wrote:
Fixes: division by zero
Fixes:
43769/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AV1_fuzzer-5392562205097984
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niederma
On Mon, Mar 21, 2022 at 09:48:40PM +0100, Andreas Rheinhardt wrote:
> Michael Niedermayer:
> > Fixes: member access within null pointer of type 'const FFCodec' (aka
> > 'const struct FFCodec')
> > Fixes:
> > 45726/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6554445419249664
> >
> > Foun
James Almer:
> On 3/21/2022 4:51 AM, Anton Khirnov wrote:
>> Quoting Hendrik Leppkes (2022-03-21 08:37:43)
>>> On Mon, Mar 21, 2022 at 12:38 AM Andreas Rheinhardt
>>> wrote:
James Almer:
> The function is not meant to clear codec parameters, and the lavf
> demux code
> relies
Nicolas Gaullier:
> The older av_fifo_realloc2 implemented an auto grow that should be ported as
> such.
>
> This introduces a limitation in the buffer size.
> AUTO_GROW_DEFAULT_BYTES is currently 1MB which seems reasonable here.
>
> Fix regressing since ea511196a6c85eb433e10cdbecb0b2c722faf20d
James Almer:
> channels is deprecated on all supported raw demuxers.
>
> Signed-off-by: James Almer
> ---
> fftools/ffmpeg_opt.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c
> index 720a3cc46a..213a34eadc 100644
> --- a/
On Mon, Mar 21, 2022 at 09:59:00PM +0100, Andreas Rheinhardt wrote:
> Michael Niedermayer:
> > On Sat, Mar 19, 2022 at 06:38:08PM +0100, Michael Niedermayer wrote:
> >> On Fri, Mar 18, 2022 at 06:56:19PM +0100, Andreas Rheinhardt wrote:
> >>> Michael Niedermayer:
> Fixes: Out of array read
> >
On Mon, Mar 21, 2022 at 11:06:14AM +0100, Tomas Härdin wrote:
> sön 2022-03-20 klockan 15:06 +0100 skrev Michael Niedermayer:
> > On Sun, Mar 20, 2022 at 02:05:41PM +0100, Tomas Härdin wrote:
> > > lör 2022-03-19 klockan 23:50 +0100 skrev Michael Niedermayer:
> > [...]
> > > >
> > > >
> > > > >
On 3/21/2022 6:12 PM, Andreas Rheinhardt wrote:
James Almer:
channels is deprecated on all supported raw demuxers.
Signed-off-by: James Almer
---
fftools/ffmpeg_opt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c
index
On Mon, 21 Mar 2022, Ben Avison wrote:
On 19/03/2022 23:06, Martin Storsjö wrote:
As you are writing assembly for these functions, I would very much
appreciate if you could add checkasm tests for all the functions you're
implementing. I see that there exists a test for the blockdsp functions,
This patch is analogous to 20f972701806be20a77f808db332d9489343bb78:
It hides the internal part of AVBitStreamFilter by adding a new
internal structure FFBitStreamFilter (declared in bsf_internal.h)
that has an AVBitStreamFilter as its first member; the internal
part of AVBitStreamFilter is moved t
On Thu, 2022-03-17 at 14:35 +0800, Xiang, Haihao wrote:
> From: Haihao Xiang
>
> It is possible that an IRAP frame in input AVPacket contains VPS, SPS
> and PPS, and these headers should take effect. However the prepended
> extradata might override these headers. This patch inserts extradata
> be
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