/content/images
Also add a couple of fate tests with samples from
https://github.com/nokiatech/heif_conformance/tree/master/conformance_files
Partially fixes trac ticket #6521.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h| 2 +
libavformat/mov.c
/content/images
Partially fixes trac ticket #6521.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 2 ++
libavformat/mov.c | 41 -
2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
This is not allowed per the spec.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/mov.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 294c864fbd..a8f57f9281 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -4892,6 +4892,8
SVT-AV1 does not support requesting keyframes at arbitrary points
by setting pic_type to EB_AV1_KEY_PICTURE. So set force_key_frames
to 1 only when gop_size == 1.
Please see the comments in
https://gitlab.com/AOMediaCodec/SVT-AV1/-/issues/2076 for a bit more
details.
Signed-off-by: Vignesh
cases, setting this has no effect.
* Set force_key_frames to 1 only when gop_size == 1, this is
needed for pic_type request above to work.
Please see the comments in
https://gitlab.com/AOMediaCodec/SVT-AV1/-/issues/2076 for a bit more
details.
Signed-off-by: Vignesh Venkatasubramanian
/content/images
Partially fixes trac ticket #6521.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 2 ++
libavformat/mov.c | 38 +-
2 files changed, 39 insertions(+), 1 deletion(-)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
frames are keyframes.
SVT-AV1 Bug: https://gitlab.com/AOMediaCodec/SVT-AV1/-/issues/2076
Example command: ffmpeg -f lavfi -i testsrc=duration=1:size=64x64:rate=30 -c:v
libsvtav1 -g 1 -y test.webm
Before: Only first frame is keyframe.
After: All frames are keyframes.
Signed-off-by: Vignesh
On Mon, Apr 17, 2023 at 4:18 PM Michael Niedermayer
wrote:
>
> On Mon, Apr 17, 2023 at 12:36:26PM +0200, Anton Khirnov wrote:
> > Quoting Michael Niedermayer (2023-04-17 00:25:16)
> > > Fixes: memleak
> > > Fixes:
> > > 45982/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6674082962997248
>
On Thu, Jan 12, 2023 at 8:40 PM "zhilizhao(赵志立)" wrote:
>
>
>
> > On Jan 13, 2023, at 04:45, Vignesh Venkatasubramanian
> > wrote:
> >
> > The HEIF specification permits specifying the looping behavior of
> > animated sequences by using the Ed
produced files.
* Chrome is able to play back the produced files.
[1]
https://github.com/AOMediaCodec/libavif/commit/4d2776a3af53ae1aefdaed463b75ba12fd9cf8c2
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/movenc.c | 35 +++
libavformat/movenc.h | 1 +
2
On Fri, Jan 6, 2023 at 1:45 AM "zhilizhao(赵志立)" wrote:
>
>
>
> > On Jan 6, 2023, at 01:34, Vignesh Venkatasubramanian
> > wrote:
> >
> > On Thu, Jan 5, 2023 at 1:45 AM "zhilizhao(赵志立)"
> > wrote:
> >>
> >>
On Thu, Jan 5, 2023 at 1:45 AM "zhilizhao(赵志立)" wrote:
>
>
>
> > On Jan 5, 2023, at 06:16, Vignesh Venkatasubramanian
> > wrote:
> >
> > The HEIF specification permits specifying the looping behavior of
> > animated sequences by using the EditLi
On Thu, Jan 5, 2023 at 1:34 AM "zhilizhao(赵志立)" wrote:
>
>
>
> > On Jan 5, 2023, at 06:16, Vignesh Venkatasubramanian
> > wrote:
> >
> > Allow specifying the movie_timescale options to AVIF ouptut.
> >
> > This also makes sure that when mov
produced files.
* Chrome is able to play back the produced files.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/movenc.c | 35 +++
libavformat/movenc.h | 1 +
2 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/libavformat/movenc.c b/libavformat
movie headers after this
change (instead of writing 0).
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/movenc.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 7d49892283..36c76f7f60 100644
--- a/libavformat/movenc.c
On Tue, Oct 25, 2022 at 11:28 AM James Zern
wrote:
>
> Signed-off-by: James Zern
> ---
> libavcodec/libaomdec.c | 8 ++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/libavcodec/libaomdec.c b/libavcodec/libaomdec.c
> index 378d638a89..53982559d9 100644
> --- a/libavcode
On Tue, Sep 20, 2022 at 12:38 PM James Zern wrote:
>
> On Mon, Sep 19, 2022 at 4:03 PM Vignesh Venkatasubramanian
> wrote:
> >
> > According to the HEIF specification Section 7.5.3.1, tracks with
>
> It might be worth adding ISO/IEC 23008-12 for added precision.
>
terize and re-use
the existing function.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/movenc.c | 27 +++
1 file changed, 15 insertions(+), 12 deletions(-)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index c8b2e141cb..754f95912a 100644
--- a/libavfor
sting function.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/movenc.c | 27 +++
1 file changed, 15 insertions(+), 12 deletions(-)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index c8b2e141cb..754f95912a 100644
--- a/libavformat/movenc.c
+++ b/l
On Tue, Sep 13, 2022 at 5:28 PM James Zern
wrote:
>
> this maps to the vpxenc argument with the same name and the
> VP9E_SET_MIN_GF_INTERVAL codec control
>
> Signed-off-by: James Zern
> ---
> doc/encoders.texi | 2 ++
> libavcodec/libvpxenc.c | 11 +++
> libavcodec/version.h |
On Sun, Aug 21, 2022 at 10:21 AM James Almer wrote:
>
> There's no warranty that vpx_codec_encode() will generate a list with the same
> amount of packets for both the yuv planes encoder and the alpha plane encoder,
> so queueing packets based on what the main encoder returns will fail when the
>
Stores the item ids of all the items found in the file and
processes the primary item at the end of the meta box. This patch
does not change any behavior. It sets up the code for parsing
alpha channel (and possibly images with 'grid') in follow up
patches.
Signed-off-b
On Wed, Jul 27, 2022 at 12:40 PM Andreas Rheinhardt
wrote:
>
> Vignesh Venkatasubramanian:
> > Stores the item ids of all the items found in the file and
> > processes the primary item at the end of the meta box. This patch
> > does not change any behavior. It sets
On Tue, Jul 26, 2022 at 12:02 PM James Zern
wrote:
>
> On Fri, Jul 22, 2022 at 11:21 AM Vignesh Venkatasubramanian
> wrote:
> >
> > On Wed, Jul 13, 2022 at 9:12 AM Vignesh Venkatasubramanian
> > wrote:
> > >
> > > On Mon, Jul 11, 2022 at 3:25 PM Ja
Stores the item ids of all the items found in the file and
processes the primary item at the end of the meta box. This patch
does not change any behavior. It sets up the code for parsing
alpha channel (and possibly images with 'grid') in follow up
patches.
Signed-off-b
On Wed, Jul 13, 2022 at 9:12 AM Vignesh Venkatasubramanian
wrote:
>
> On Mon, Jul 11, 2022 at 3:25 PM James Zern
> wrote:
> >
> > On Thu, Jun 30, 2022 at 2:04 PM Vignesh Venkatasubramanian
> > wrote:
> > >
> > > Stores the item ids of all the it
On Wed, Jul 13, 2022 at 9:08 AM Paul B Mahol wrote:
>
>
> It is merged already.
Oops, sorry about that. Thanks for merging!
--
Vignesh
___
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscri
On Mon, Jul 11, 2022 at 3:25 PM James Zern
wrote:
>
> On Thu, Jun 30, 2022 at 2:04 PM Vignesh Venkatasubramanian
> wrote:
> >
> > Stores the item ids of all the items found in the file and
> > processes the primary item at the end of the meta box. This patch
> >
Stores the item ids of all the items found in the file and
processes the primary item at the end of the meta box. This patch
does not change any behavior. It sets up the code for parsing
alpha channel (and possibly images with 'grid') in follow up
patches.
Signed-off-b
On Wed, Jun 29, 2022 at 10:15 AM Vignesh Venkatasubramanian
wrote:
>
> On Wed, Jun 29, 2022 at 12:24 AM Paul B Mahol wrote:
> >
> >
> >
> > On Wed, Jun 29, 2022 at 9:21 AM Paul B Mahol wrote:
> >>
> >>
> >>
> >> On Tu
On Tue, Jul 5, 2022 at 9:54 AM Anton Khirnov wrote:
>
> Quoting Vignesh Venkatasubramanian (2022-07-02 23:15:35)
> > > As for encoding, not fully sure how it should be integrated, if any
> > > encoders actually at this moment do proper alpha coding, or do all API
> >
On Sun, Jul 3, 2022 at 5:18 AM Jan Ekström wrote:
>
> On Sun, Jul 3, 2022 at 12:15 AM Vignesh Venkatasubramanian
> wrote:
> >
> > On Sat, Jul 2, 2022 at 12:35 PM Jan Ekström wrote:
> > >
> > > On Sat, Jul 2, 2022 at 7:32 PM Vignesh Venkatasubramanian
>
On Sat, Jul 2, 2022 at 12:35 PM Jan Ekström wrote:
>
> On Sat, Jul 2, 2022 at 7:32 PM Vignesh Venkatasubramanian
> wrote:
> >
> > On Sat, Jul 2, 2022 at 2:35 AM Anton Khirnov wrote:
> > >
> > > Quoting Vignesh Venkatasubramanian (2022-06-30 23:04:34)
&g
On Sat, Jul 2, 2022 at 2:35 AM Anton Khirnov wrote:
>
> Quoting Vignesh Venkatasubramanian (2022-06-30 23:04:34)
> > Parse the alpha channel for still AVIF images and expose it as a
> > separate track. This is the simplest way of supporting AVIF alpha
> > channel in a
with
a single command. For example:
ffmpeg -i image_with_alpha.avif -filter_complex alphamerge image_with_alpha.png
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 66 ++
2 files changed, 67 insertions
Stores the item ids of all the items found in the file and
processes the primary item at the end of the meta box. This patch
does not change any behavior. It sets up the code for parsing
alpha channel (and possibly images with 'grid') in follow up
patches.
Signed-off-b
On Wed, Jun 29, 2022 at 12:24 AM Paul B Mahol wrote:
>
>
>
> On Wed, Jun 29, 2022 at 9:21 AM Paul B Mahol wrote:
>>
>>
>>
>> On Tue, Jun 28, 2022 at 9:01 PM Vignesh Venkatasubramanian
>> wrote:
>>>
>>> Add a short hand parameter
instead of specific x/y co-ordinate for each stream.
Also updating the filter documentation to explain the new option.
Signed-off-by: Vignesh Venkatasubramanian
---
doc/filters.texi | 22 ++--
libavfilter/vf_stack.c | 81 +++---
2 files changed, 88
instead of specific x/y co-ordinate for each stream.
Also updating the filter documentation to explain the new option.
Signed-off-by: Vignesh Venkatasubramanian
---
doc/filters.texi | 19 +--
libavfilter/vf_stack.c | 73 --
2 files changed, 81
On Tue, Jun 28, 2022 at 11:21 AM James Zern
wrote:
>
> On Mon, Jun 13, 2022 at 9:32 AM Vignesh Venkatasubramanian
> wrote:
> >
> > On Fri, Jun 10, 2022 at 10:34 AM Vignesh Venkatasubramanian
> > wrote:
> > >
> > > On T
tests:
1) demuxing of still image with 1 item - this test will pass regardlesss
of this patch.
2) demuxing of still image with 2 items - this test will fail without
this patch and will pass with patch applied.
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
On Mon, Jun 27, 2022 at 9:48 AM James Almer wrote:
>
> On 6/27/2022 1:43 PM, Vignesh Venkatasubramanian wrote:
> > On Tue, Jun 21, 2022 at 10:12 AM Vignesh Venkatasubramanian
> > wrote:
> >>
> >> On Mon, Jun 13, 2022 at 10:17 AM James Zern
> >> wrote
On Tue, Jun 21, 2022 at 10:12 AM Vignesh Venkatasubramanian
wrote:
>
> On Mon, Jun 13, 2022 at 9:32 AM Vignesh Venkatasubramanian
> wrote:
> >
> > On Fri, Jun 10, 2022 at 10:34 AM Vignesh Venkatasubramanian
> > wrote:
> > >
> > > On T
On Tue, Jun 21, 2022 at 10:12 AM Vignesh Venkatasubramanian
wrote:
>
> On Mon, Jun 13, 2022 at 10:17 AM James Zern
> wrote:
> >
> > On Wed, Jun 1, 2022 at 11:06 AM Vignesh Venkatasubramanian
> > wrote:
> > >
> > > AVIF specification allows for alph
On Mon, Jun 13, 2022 at 9:32 AM Vignesh Venkatasubramanian
wrote:
>
> On Fri, Jun 10, 2022 at 10:34 AM Vignesh Venkatasubramanian
> wrote:
> >
> > On Thu, Jun 9, 2022 at 12:50 AM Gyan Doshi wrote:
> > >
> > >
> > >
> > > On 2022-06-08 1
On Mon, Jun 13, 2022 at 10:17 AM James Zern
wrote:
>
> On Wed, Jun 1, 2022 at 11:06 AM Vignesh Venkatasubramanian
> wrote:
> >
> > AVIF specification allows for alpha channel as an auxiliary item (in
> > case of still images) or as an auxiliary track (in case of
On Fri, Jun 10, 2022 at 10:34 AM Vignesh Venkatasubramanian
wrote:
>
> On Thu, Jun 9, 2022 at 12:50 AM Gyan Doshi wrote:
> >
> >
> >
> > On 2022-06-08 10:51 pm, Vignesh Venkatasubramanian wrote:
> > > On Thu, Jun 2, 2022 at 1:35 PM James Zern wrote:
> &
On Mon, Jun 6, 2022 at 9:29 AM Vignesh Venkatasubramanian
wrote:
>
> On Wed, Jun 1, 2022 at 12:47 PM Vignesh Venkatasubramanian
> wrote:
> >
> > On Wed, Jun 1, 2022 at 11:52 AM xyesbee wrote:
> > >
> > > Why can it not accept it as one but two distinct
On Fri, Jun 10, 2022 at 10:33 AM Andreas Rheinhardt
wrote:
>
> Vignesh Venkatasubramanian:
> > Update the still AVIF parser to only read the primary item. With this
> > patch, AVIF still images with exif/icc/alpha channel will no longer
> > fail to parse.
> >
>
On Thu, Jun 9, 2022 at 12:50 AM Gyan Doshi wrote:
>
>
>
> On 2022-06-08 10:51 pm, Vignesh Venkatasubramanian wrote:
> > On Thu, Jun 2, 2022 at 1:35 PM James Zern wrote:
> >> On Wed, Jun 1, 2022 at 1:38 PM Vignesh Venkatasubramanian
> >> wrote:
> >>
tests:
1) demuxing of still image with 1 item - this test will pass regardlesss
of this patch.
2) demuxing of still image with 2 items - this test will fail without
this patch and will pass with patch applied.
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
On Thu, Jun 2, 2022 at 1:35 PM James Zern wrote:
>
> On Wed, Jun 1, 2022 at 1:38 PM Vignesh Venkatasubramanian
> wrote:
> >
> > On Wed, Jun 1, 2022 at 10:30 AM James Zern wrote:
> > >
> > > On Sun, Apr 24, 2022 at 11:35 AM Vignesh Venkatasubramanian
&
On Wed, Jun 1, 2022 at 12:47 PM Vignesh Venkatasubramanian
wrote:
>
> On Wed, Jun 1, 2022 at 11:52 AM xyesbee wrote:
> >
> > Why can it not accept it as one but two distinct streams? Why the extra
> > hurdle of alphaextract? YUVA pixel format exists though.
>
> Yes
On Wed, Jun 1, 2022 at 10:30 AM James Zern wrote:
>
> On Sun, Apr 24, 2022 at 11:35 AM Vignesh Venkatasubramanian
> wrote:
> >
> > Update the still AVIF parser to only read the primary item. With this
> > patch, AVIF still images with exif/icc/alpha channel will
ally make things any better. If you have a
better solution, please let me know and I can update this.
> Original Message
> On Jun 1, 2022, 11:35 PM, Vignesh Venkatasubramanian wrote:
>
> > AVIF specification allows for alpha channel as an auxiliary item (in
> >
me
2) Firefox (only still AVIF, no animation support)
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/movenc.c | 188 +--
libavformat/movenc.h | 4 +-
2 files changed, 130 insertions(+), 62 deletions(-)
diff --git a/libavformat/movenc.
On Wed, Jun 1, 2022 at 10:52 AM James Zern wrote:
>
> On Wed, May 18, 2022 at 2:56 PM Vignesh Venkatasubramanian
> wrote:
> >
> > AVIF specification allows for alpha channel as an auxillary item (in
>
> auxiliary
>
Done.
> > case of still images) or as an
On Thu, May 19, 2022 at 9:08 AM Vignesh Venkatasubramanian
wrote:
>
> On Wed, May 18, 2022 at 7:36 PM Bang He wrote:
> >
> > error happened:
> >
> > ./ffmpeg -i alpha.png -filter_complex [0:v]alphaextract[a] -map 0 -map [a]
> > -still-picture 1 avif_with_al
On Wed, May 18, 2022 at 10:37 AM Vignesh Venkatasubramanian
wrote:
>
> libaom added an usage=allintra mode for doing better with still
> images. Expose that in the ffmpeg's wrapper. This is especially
> useful for encoding still AVIF images.
>
> Signed-off-by: Vig
On Thu, May 19, 2022 at 9:13 AM Vignesh Venkatasubramanian
wrote:
>
> On Mon, May 16, 2022 at 9:59 AM Vignesh Venkatasubramanian
> wrote:
> >
> > Update the still AVIF parser to only read the primary item. With this
> > patch, AVIF still images with exif/icc/alpha chan
On Mon, May 16, 2022 at 9:59 AM Vignesh Venkatasubramanian
wrote:
>
> Update the still AVIF parser to only read the primary item. With this
> patch, AVIF still images with exif/icc/alpha channel will no longer
> fail to parse.
>
> For example, this patch enables parsing of
On Thu, May 19, 2022 at 1:55 AM Gyan Doshi wrote:
>
>
>
> On 2022-05-19 09:57 am, Gyan Doshi wrote:
> >
> >
> > On 2022-05-18 01:06 am, James Zern wrote:
> >> On Mon, May 16, 2022 at 10:40 AM Vignesh Venkatasubramanian
> >> wrote:
>
l-picture" flag was added in ab05e9a7f2. Please make sure
that you are sync'ed past that to pick up that option.
> On Thu, May 19, 2022 at 5:56 AM Vignesh Venkatasubramanian <
> vigneshv-at-google@ffmpeg.org> wrote:
>
> > AVIF specification allows for alpha channel
me
2) Firefox (only still AVIF, no animation support)
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/movenc.c | 185 +--
libavformat/movenc.h | 4 +-
2 files changed, 128 insertions(+), 61 deletions(-)
diff --git a/libavformat/movenc.
libaom added an usage=allintra mode for doing better with still
images. Expose that in the ffmpeg's wrapper. This is especially
useful for encoding still AVIF images.
Signed-off-by: Vignesh Venkatasubramanian
---
libavcodec/libaomenc.c | 1 +
1 file changed, 1 insertion(+)
diff --
On Wed, May 18, 2022 at 10:01 AM James Almer wrote:
>
>
>
> On 5/18/2022 1:39 PM, Vignesh Venkatasubramanian wrote:
> > libaom added an usage=allintra mode for doing better with still
> > images. Expose that in the ffmpeg's wrapper. This is especially
> > us
libaom added an usage=allintra mode for doing better with still
images. Expose that in the ffmpeg's wrapper. This is especially
useful for encoding still AVIF images.
Signed-off-by: Vignesh Venkatasubramanian
---
libavcodec/libaomenc.c | 3 +++
1 file changed, 3 insertions(+)
diff --
On Wed, May 18, 2022 at 2:29 AM Gyan Doshi wrote:
>
>
>
> On 2022-05-17 11:54 pm, Vignesh Venkatasubramanian wrote:
> > libaom added an usage=allintra mode for doing better with still
> > images. Expose that in the ffmpeg's wrapper. This is especially
> > us
libaom added an usage=allintra mode for doing better with still
images. Expose that in the ffmpeg's wrapper. This is especially
useful for encoding still AVIF images.
Signed-off-by: Vignesh Venkatasubramanian
---
libavcodec/libaomenc.c | 7 +--
1 file changed, 5 insertions(+), 2 dele
Add support for AVIF muxing in the image2 muxer.
Tested with this example:
ffmpeg -lavfi testsrc=duration=1:size=320x320 -g 1 -flags global_header -c:v
libaom-av1 -f image2 img-%2d.avif
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/img2enc.c | 4 +++-
1 file changed, 3 insertions
trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 41 +
2 files changed, 22 insertions(+), 20 deletions(-)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index cf36f04d5b..f05c2d9c28 100644
(only still images, firefox does not support
animated AVIF yet).
3) Verified to be valid by Compliance Warden:
https://github.com/gpac/ComplianceWarden
Fixes the encoder/muxer part of Trac Ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
configure| 1 +
libavformat
On Thu, May 12, 2022 at 3:27 AM Gyan Doshi wrote:
>
>
>
> On 2022-05-11 10:55 pm, Gyan Doshi wrote:
> >
> >
> > On 2022-05-11 10:24 pm, Vignesh Venkatasubramanian wrote:
> >> On Wed, May 4, 2022 at 10:15 AM Vignesh Venkatasubramanian
> >> wrote:
On Wed, May 4, 2022 at 10:15 AM Vignesh Venkatasubramanian
wrote:
>
> Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
>
> AVIF Specification: https://aomediacodec.github.io/av1-avif
>
> Sample usage for still image:
> ffmpeg -i image.png -c:v libaom-av1 -av
On Mon, May 2, 2022 at 2:39 PM Vignesh Venkatasubramanian
wrote:
>
> On Sun, Apr 24, 2022 at 11:35 AM Vignesh Venkatasubramanian
> wrote:
> >
> > Update the still AVIF parser to only read the primary item. With this
> > patch, AVIF still images with exif/icc/alpha chan
still images, firefox does not support
animated AVIF yet).
3) Verified to be valid by Compliance Warden:
https://github.com/gpac/ComplianceWarden
Fixes the encoder/muxer part of Trac Ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
configure| 1 +
libavformat
On Wed, May 4, 2022 at 10:10 AM "zhilizhao(赵志立)" wrote:
>
>
>
> > On May 5, 2022, at 12:45 AM, Vignesh Venkatasubramanian
> > wrote:
> >
> >>>
> >>> -mov_write_track_udta_tag(pb, mov, st);
> >>> +if (trac
still images, firefox does not support
animated AVIF yet).
3) Verified to be valid by Compliance Warden:
https://github.com/gpac/ComplianceWarden
Fixes the encoder/muxer part of Trac Ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
configure| 1 +
libavformat
On Tue, May 3, 2022 at 7:46 PM "zhilizhao(赵志立)" wrote:
>
>
Thanks for the review!
>
> > On May 3, 2022, at 5:35 AM, Vignesh Venkatasubramanian
> > wrote:
> >
> > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
> > AVIF
On Sun, Apr 24, 2022 at 11:35 AM Vignesh Venkatasubramanian
wrote:
>
> Update the still AVIF parser to only read the primary item. With this
> patch, AVIF still images with exif/icc/alpha channel will no longer
> fail to parse.
>
> For example, this patch enables parsing of
Fixing Trac ticket #7621
[1] https://aomediacodec.github.io/av1-avif
Signed-off-by:: Vignesh Venkatasubramanian
---
libavcodec/libaomenc.c | 14 ++
1 file changed, 14 insertions(+)
diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c
index 054903e6e2..0411773bbf 100644
--- a
Add a parameter to omit seq header when generating the av1C atom.
For now, this does not change any behavior. This will be used by a
follow-up patch to add AVIF support.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/av1.c | 7 +--
libavformat/av1.h | 4
still images, firefox does not support
animated AVIF yet).
3) Verified to be valid by Compliance Warden:
https://github.com/gpac/ComplianceWarden
Fixes the encoder/muxer part of Trac Ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
configure| 1 +
libavformat
On Mon, May 2, 2022 at 10:28 AM James Zern
wrote:
>
> On Wed, Apr 13, 2022 at 1:40 PM Vignesh Venkatasubramanian
> wrote:
> >
> > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
> > AVIF Specification: https://aomediacodec.github.io/av1-avif
>
On Thu, Apr 21, 2022 at 9:38 AM Vignesh Venkatasubramanian
wrote:
>
> On Wed, Apr 13, 2022 at 2:35 PM Vignesh Venkatasubramanian
> wrote:
> >
> > On Wed, Apr 13, 2022 at 2:04 PM Andreas Rheinhardt
> > wrote:
> > >
> > > Vignesh Venkatasubramanian:
&g
On Thu, Apr 21, 2022 at 9:16 AM Vignesh Venkatasubramanian
wrote:
>
> On Thu, Apr 21, 2022 at 2:08 AM Gyan Doshi wrote:
> >
> >
> >
> > On 2022-04-20 09:54 am, Gyan Doshi wrote:
> > >
> > >
> > > On 2022-04-20 02:49 am, Paul B Mah
I thought I had already done this. I have
sent another patch to do this:
http://ffmpeg.org/pipermail/ffmpeg-devel/2022-April/295648.html
>
> Regards,
> Gyan
>
> On 2022-04-23 12:29 am, Vignesh Venkatasubramanian wrote:
> > Add support for parsing AVIF still images. This patches supp
AVIF still and animations are now supported by the MOV parser.
Add the "avif" extension to the list of supported extensions to
AVInputFormat.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/mov.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavform
trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 41 +
2 files changed, 22 insertions(+), 20 deletions(-)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index cf36f04d5b..f05c2d9c28 100644
image.avif image.png
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 141 +
2 files changed, 142 insertions(+)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
On Thu, Apr 21, 2022 at 9:18 PM Gyan Doshi wrote:
>
>
>
> On 2022-04-21 09:46 pm, Vignesh Venkatasubramanian wrote:
> > On Thu, Apr 21, 2022 at 2:08 AM Gyan Doshi wrote:
> >>
> >>
> >> On 2022-04-20 09:54 am, Gyan Doshi wrote:
> >>>
> &
On Wed, Apr 13, 2022 at 2:35 PM Vignesh Venkatasubramanian
wrote:
>
> On Wed, Apr 13, 2022 at 2:04 PM Andreas Rheinhardt
> wrote:
> >
> > Vignesh Venkatasubramanian:
> > > On Mon, Mar 21, 2022 at 1:46 PM Andreas Rheinhardt
> > > wrote:
> > >>
On Thu, Apr 21, 2022 at 2:08 AM Gyan Doshi wrote:
>
>
>
> On 2022-04-20 09:54 am, Gyan Doshi wrote:
> >
> >
> > On 2022-04-20 02:49 am, Paul B Mahol wrote:
> >> On Tue, Apr 19, 2022 at 10:57 PM Vignesh Venkatasubramanian <
> >> vigneshv-at-googl
image.avif image.png
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 137 +
2 files changed, 138 insertions(+)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
On Tue, Apr 19, 2022 at 1:18 PM Paul B Mahol wrote:
>
>
>
> On Mon, Mar 28, 2022 at 9:12 PM Vignesh Venkatasubramanian
> wrote:
>>
>> Add support for parsing AVIF still images. This patches supports
>> AVIF still images that have exactly 1 item (i.e.) no alpha
On Mon, Mar 28, 2022 at 12:11 PM Vignesh Venkatasubramanian
wrote:
>
> Add support for parsing AVIF still images. This patches supports
> AVIF still images that have exactly 1 item (i.e.) no alpha channel.
> Essentially, we will have to parse the "iloc" box and populate
>
On Wed, Apr 13, 2022 at 2:04 PM Andreas Rheinhardt
wrote:
>
> Vignesh Venkatasubramanian:
> > On Mon, Mar 21, 2022 at 1:46 PM Andreas Rheinhardt
> > wrote:
> >>
> >> Vignesh Venkatasubramanian:
> >>> Add an AVIF muxer by re-using the existing
On Wed, Apr 13, 2022 at 2:01 PM Andreas Rheinhardt
wrote:
>
> Vignesh Venkatasubramanian:
> > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
> > AVIF Specification: https://aomediacodec.github.io/av1-avif
> >
> > Sample usage for still image:
On Wed, Apr 13, 2022 at 10:22 AM James Zern wrote:
>
> On Mon, Mar 28, 2022 at 1:49 PM Vignesh Venkatasubramanian
> wrote:
> >
> > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
> > AVIF Specifiation: https://aomediacodec.github.io/av1-av
still images, firefox does not support
animated AVIF yet).
3) Verified to be valid by Compliance Warden:
https://github.com/gpac/ComplianceWarden
Fixes the encoder/muxer part of Trac Ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
configure| 1 +
libavformat
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