Patch attached.
From d867b825507b5f38a051dd0ccf4612b7570a2088 Mon Sep 17 00:00:00 2001
From: Paul B Mahol
Date: Sun, 11 Sep 2022 20:10:27 +0200
Subject: [PATCH] avformat: add LAF demuxer
Signed-off-by: Paul B Mahol
---
libavformat/Makefile | 1 +
libavformat/allformats.c | 1 +
libavfor
Paul B Mahol:
> +static int laf_read_header(AVFormatContext *ctx)
> +{
> +LAFContext *s = ctx->priv_data;
> +AVIOContext *pb = ctx->pb;
> +unsigned st_count, mode;
> +unsigned sample_rate;
> +int64_t duration;
> +int codec_id;
> +int quality;
> +int bpp;
> +
> +a
On Sun, 25 Aug 2019, James Cowgill wrote:
When compiling FFmpeg with GCC-9, some very random segfaults were
observed in code which had previously called down into the SBC encoder
NEON assembly routines. This was caused by these functions clobbering
some of the vfp callee saved registers (d8 - d1
Also fixes a "statement with no effect [-Wunused-value]"
warning from GCC.
Signed-off-by: Andreas Rheinhardt
---
libavcodec/bonk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/bonk.c b/libavcodec/bonk.c
index f3d797d588..409694f710 100644
--- a/libavcodec/bonk.c
On 9/12/2022 9:20 AM, Andreas Rheinhardt wrote:
Also fixes a "statement with no effect [-Wunused-value]"
warning from GCC.
Signed-off-by: Andreas Rheinhardt
---
libavcodec/bonk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/bonk.c b/libavcodec/bonk.c
index f
It may be NULL, as is the case for D3D11VA_VLD.
Running "ffmpeg -h decoder=h264" on a Windows build
Before:
Decoder h264 [H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10]:
Supported hardware devices: dxva2 (null) d3d11va cuda
After:
Decoder h264 [H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10]:
Sup
Op wo 7 sep. 2022 om 19:59 schreef Paul B Mahol :
> Patches attached.
>
> Could decoder be made faster?
>
>
Haven't reviewed, but great to have another codec added. Concerning the
speed, as far as I know Bonk is slow to decode. Its website states that it
is slow: http://www.logarithmic.net/pfh/bon
Andreas Rheinhardt:
> Signed-off-by: Andreas Rheinhardt
> ---
> tests/fate/id3v2.mak | 5
> tests/ref/fate/id3v2-utf16-bom | 42 ++
> 2 files changed, 47 insertions(+)
> create mode 100644 tests/ref/fate/id3v2-utf16-bom
>
> diff --git a/tests/fate
Signed-off-by: Andreas Rheinhardt
---
libavformat/bonk.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/libavformat/bonk.c b/libavformat/bonk.c
index fc400979b3..0fff0b5bda 100644
--- a/libavformat/bonk.c
+++ b/libavformat/bonk.c
@@ -79,7 +79,6 @@ static int bonk_read_header(AVFormatContext *
Should fix ticket #9909, fixing a regression since
bfb28b5ce89f3e950214b67ea95b45e3355c2caf.
Thanks to Carl Eugen Hoyos for analyzing the issue.
Signed-off-by: Andreas Rheinhardt
---
This would be my solution. What do you think of it?
libavcodec/x86/Makefile | 7 +--
1 file changed, 5 inse
Patch attached.
From f7c47b8eefa1c06a74d17f13b4e9010785dc6430 Mon Sep 17 00:00:00 2001
From: Paul B Mahol
Date: Wed, 20 Jan 2021 16:58:31 +0100
Subject: [PATCH] avutil/x86/float_dsp: add fma3 for scalarproduct
Signed-off-by: Paul B Mahol
---
libavutil/x86/float_dsp.asm| 127
From: Rémi Denis-Courmont
---
doc/optimization.txt | 5 +
1 file changed, 5 insertions(+)
diff --git a/doc/optimization.txt b/doc/optimization.txt
index 974e2f9af2..3ed29fe38c 100644
--- a/doc/optimization.txt
+++ b/doc/optimization.txt
@@ -267,6 +267,11 @@ CELL/SPU:
http://www-01.ibm.com
From: Rémi Denis-Courmont
This uses the architected RISC-V 64-bit cycle counter from the
RISC-V unprivileged instruction set.
In 64-bit and 128-bit, this is a straightforward CSR read.
In 32-bit mode, the 64-bit value is exposed as two CSRs, which
cannot be read atomically, so a loop is necessar
From: Rémi Denis-Courmont
RISC-V defines the CLZ instruction as part of the ratified Zbb subset
of the (not yet ratified) bit mapulation extension (B). We can detect
it from the __riscv_zbb predefined constant. At least GCC 12 already
supports this correctly.
Note that the macro will be non-zero
From: Rémi Denis-Courmont
If the target supports the Basic bit-manipulation (Zbb) extension, then
the REV8 instruction is available to reverse byte order.
Note that this instruction only exists at the "XLEN" register size,
so we need to right shift the result down to the data width.
If Zbb is n
From: Rémi Denis-Courmont
This provides some micro-optimisations for signed integer clipping, and
support for bit weight with the Zbb extension.
---
libavutil/intmath.h | 5 +-
libavutil/riscv/intmath.h | 103 ++
2 files changed, 106 insertions(+), 2 d
From: Rémi Denis-Courmont
---
libavutil/riscv/asm.S | 74 +++
1 file changed, 74 insertions(+)
create mode 100644 libavutil/riscv/asm.S
diff --git a/libavutil/riscv/asm.S b/libavutil/riscv/asm.S
new file mode 100644
index 00..7623c161cf
--- /dev/
From: Rémi Denis-Courmont
---
Makefile | 2 +-
configure| 15 +++
ffbuild/arch.mak | 2 ++
3 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 61f79e27ae..1fb742f390 100644
--- a/Makefile
+++ b/Makefile
@@ -91,7 +91,7 @@ ffbuild/
From: Rémi Denis-Courmont
---
tests/checkasm/checkasm.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
index e56fd3850e..a5d0503811 100644
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -226,6 +226,11 @@ static c
From: Rémi Denis-Courmont
RVV defines a total of 12 different extensions, including:
- 5 different instruction subsets:
- Zve32x: 8-, 16- and 32-bit integers,
- Zve32f: Zve32x plus single precision floats,
- Zve64x: Zve32x plus 64-bit integers,
- Zve64f: Zve32f plus Zve64x,
- Zve64d: Z
From: Rémi Denis-Courmont
---
libavutil/riscv/float_dsp_init.c | 9 -
libavutil/riscv/float_dsp_rvv.S | 34
2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c
index f1d3d528
From: Rémi Denis-Courmont
This is based on existing code from the VLC git tree with two minor
changes to account for the different function prototypes.
---
libavutil/float_dsp.c| 2 ++
libavutil/float_dsp.h| 1 +
libavutil/riscv/Makefile | 4 ++-
libavutil/risc
From: Rémi Denis-Courmont
---
libavutil/riscv/float_dsp_init.c | 6 +
libavutil/riscv/float_dsp_rvv.S | 38
2 files changed, 44 insertions(+)
diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c
index 903da4eeda..1381eadab6 1006
From: Rémi Denis-Courmont
---
libavutil/fixed_dsp.c| 4 +++-
libavutil/fixed_dsp.h| 1 +
libavutil/riscv/Makefile | 4 +++-
libavutil/riscv/fixed_dsp_init.c | 36 ++
libavutil/riscv/fixed_dsp_rvv.S | 38 +
From: Rémi Denis-Courmont
---
libavutil/riscv/float_dsp_init.c | 2 ++
libavutil/riscv/float_dsp_rvv.S | 21 +
2 files changed, 23 insertions(+)
diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c
index cf8c995d7c..055cdc7520 100644
--- a/libav
From: Rémi Denis-Courmont
---
libavutil/riscv/float_dsp_init.c | 3 +++
libavutil/riscv/float_dsp_rvv.S | 19 +++
2 files changed, 22 insertions(+)
diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c
index 1381eadab6..9bc1976d04 100644
--- a/libavu
From: Rémi Denis-Courmont
---
libavutil/riscv/float_dsp_init.c | 3 +++
libavutil/riscv/float_dsp_rvv.S | 35
2 files changed, 38 insertions(+)
diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c
index ae089d2fdb..cf8c995d7c 100644
From: Rémi Denis-Courmont
---
libavutil/riscv/float_dsp_init.c | 2 ++
libavutil/riscv/float_dsp_rvv.S | 18 ++
2 files changed, 20 insertions(+)
diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c
index 9bc1976d04..c2b72c3b25 100644
--- a/libavuti
From: Rémi Denis-Courmont
---
libavutil/riscv/float_dsp_init.c | 3 +++
libavutil/riscv/float_dsp_rvv.S | 22 ++
2 files changed, 25 insertions(+)
diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c
index c2b72c3b25..ae089d2fdb 100644
--- a/lib
The following changes since commit 3ce6fa6b6d099dcad43bb0178334441ab72df4cc:
avformat: add bonk demuxer (2022-09-12 11:35:43 +0200)
are available in the Git repository at:
git.remlab.net:git/ffmpeg.git rvv
for you to fetch changes up to ceb5ead12aba107292a09a342570f6fd12c9951d:
lavu/risc
Signed-off-by: Andreas Rheinhardt
---
libavfilter/avfilter.c | 12 ++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 965f5d0f63..bde41637dd 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -21,6 +21
It is currently calling av_channel_layout_describe()
unnecessarily.
Signed-off-by: Andreas Rheinhardt
---
libavfilter/avfilter.c | 2 ++
libavfilter/internal.h | 4
2 files changed, 6 insertions(+)
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index bde41637dd..f34204e650 10
Forgotten in 7e350379f87e7f74420b4813170fe808e2313911.
Signed-off-by: Andreas Rheinhardt
---
Does anyone actually use this? The fact that this went unnoticed
for so long suggest "no".
libavfilter/video.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/video.c b/l
Fixes regression with tickets/4364/L1004220.DNG
Signed-off-by: Michael Niedermayer
---
libavcodec/tiff.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index beb427e0074..226050744fc 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/ti
Patch attached.
How to get more speed?
From 55eb5a18b4bf029f52f9d9108a750c576ba780ee Mon Sep 17 00:00:00 2001
From: Paul B Mahol
Date: Mon, 12 Sep 2022 18:53:31 +0200
Subject: [PATCH] avcodec/x86/audiodsp: add scalarproduct avx2
Signed-off-by: Paul B Mahol
---
libavcodec/x86/audiodsp.asm|
From 55eb5a18b4bf029f52f9d9108a750c576ba780ee Mon Sep 17 00:00:00 2001
From: Paul B Mahol
Date: Mon, 12 Sep 2022 18:53:31 +0200
Subject: [PATCH] avcodec/x86/audiodsp: add scalarproduct avx2
Signed-off-by: Paul B Mahol
---
libavcodec/x86/audiodsp.asm| 24
libavcodec
On 9/12/2022 3:39 PM, James Almer wrote:
From 55eb5a18b4bf029f52f9d9108a750c576ba780ee Mon Sep 17 00:00:00 2001
From: Paul B Mahol
Date: Mon, 12 Sep 2022 18:53:31 +0200
Subject: [PATCH] avcodec/x86/audiodsp: add scalarproduct avx2
Signed-off-by: Paul B Mahol
---
libavcodec/x86/audiodsp.asm
On 9/12/22, Paul B Mahol wrote:
> Patch attached.
>
Updated patch attached.
From 33efa252db96d9eac7f162f17b22c1cd8b3b1c14 Mon Sep 17 00:00:00 2001
From: Paul B Mahol
Date: Sun, 11 Sep 2022 20:10:27 +0200
Subject: [PATCH] avformat: add LAF demuxer
Signed-off-by: Paul B Mahol
---
libavformat/Ma
On 9/12/22, Andreas Rheinhardt wrote:
> Also fixes a "statement with no effect [-Wunused-value]"
> warning from GCC.
>
> Signed-off-by: Andreas Rheinhardt
> ---
> libavcodec/bonk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/bonk.c b/libavcodec/bonk.c
> in
Hi all
due to more bugfixes i intend to make 5.1.2 soon (within the next days)
I do plan to make releases from older still maintained/used branches
following 5.1.2
thx
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Breaking DRM is a little like attempting to break t
On 9/8/2022 8:00 PM, James Almer wrote:
On 9/8/2022 7:47 PM, Andreas Rheinhardt wrote:
James Almer:
If it's unsupported or invalid, then there's no point trying to
rebuild it
using a value that may have been derived from the same layout to
begin with.
Move the checks before the attempts at c
Paul B Mahol:
> +case 3:
> +for (int n = 0; n < st->codecpar->sample_rate; n++)
> +AV_WL24(pkt->data + n * 3, AV_RL24(s->data + n * s->nb_stored *
> 3 + s->stored_index * 3));
> +break;
Looking at intreadwrite.h shows that we actually have AV_RN24 and AV_WN24.
- A
On 9/13/22, Andreas Rheinhardt wrote:
> Paul B Mahol:
>> +case 3:
>> +for (int n = 0; n < st->codecpar->sample_rate; n++)
>> +AV_WL24(pkt->data + n * 3, AV_RL24(s->data + n * s->nb_stored
>> * 3 + s->stored_index * 3));
>> +break;
>
> Looking at intreadwrite.h shows
Andreas Rheinhardt:
> These tests test both the demuxer as well as the muxer
> wherever possible. It is not always possible due to the fact
> that the muxer supports more codecs than the demuxer.
>
> The spdif demuxer does currently not set the need_parsing flag.
> If one were to set this to AVSTR
Hi Paul,
I tried to understand the per-frame side-data (and metadata)
mechanism. Adding my notes here in case they help a future reader.
Metadata and side-data seem like similar mechanisms to add auxiliary
information to each frame. Main difference seems to be that metadata
is simpler (a key/valu
Note that the motion information includes subpel motion information
This was likely forgotten in 56bdf61baa04c4fd8d165f34499115ce0aa97c43.
Tested:
```
$ make examples -j
...
$ doc/examples/extract_mvs in.264 | head -40 | \
csvcut -C framenum,source,flags |csvlook
| blockw | blockh | srcx | s
cc867f2c09d2b69cee8a0eccd62aff002cbbfe11 this change breaks hwaccel. The
assertion av_assert0(!p->parent->stash_hwaccel) fails when seeking. So this
makes video players unusable. videotoolbox has another crash when starting
to decode. The crash can be reproduce easily in ffmpeg:
./ffmpeg -stream_lo
Currently, only the AVR32-arch provides some of these (namely
the 24 bit variants), but this should not depend on the arch.
Signed-off-by: Andreas Rheinhardt
---
When I started writing this patch, I believed that whether intreadwrite.h
provided AV_[RW]N24 depended upon the arch, namely AVR32; but
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