From: Jun Zhao
Date: Fri, May 10, 2019 at 9:06 AM
To:
Cc: Jun Zhao
> From: Jun Zhao
>
> Redundant condition: '!A || B' is equivalent to '!A || (A && B)' but
> more clearly.
>
> Signed-off-by: Jun Zhao
> ---
> libavcodec/libvpxenc.c |2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
Add an option to webm_dash_manifest demuxer to specify a value for
"bandwidth" field in the DASH manifest. The value is then used by
the muxer. Fixes an existing FIXME in the code.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/matroskadec.c
On Fri, Apr 21, 2017 at 8:40 AM, Derek Buitenhuis
wrote:
> The WebM DASH spec states:
> The Initialization Segment shall not contain Clusters or Cues.
> The Segment Index corresponds to the Cues.
>
> Previously, it included the cues if they were at the front.
Looks good. Thanks.
>
> Sign
On Thu, Apr 20, 2017 at 7:02 AM, Derek Buitenhuis
wrote:
> The original author apparently never read the documentation for snprintf,
> or even tested that the output was correct.
I was the original author and i am sorry about the mistake.
> Passing overlapping memory
> to snprintf causes undefin
On Tue, Jul 12, 2016 at 12:22 PM, James Almer wrote:
> On 7/12/2016 3:48 PM, Vignesh Venkatasubramanian wrote:
>> VPx (VP8/VP9) alpha encoding has been part of FFmpeg. Now, add the
>> ability to decode such files with alpha channel.
>>
>> Signed-off-by:
VPx (VP8/VP9) alpha encoding has been part of FFmpeg. Now, add the
ability to decode such files with alpha channel.
Signed-off-by: Vignesh Venkatasubramanian
---
libavcodec/libvpxdec.c | 102 +++--
1 file changed, 82 insertions(+), 20 deletions
On Tue, Jul 12, 2016 at 1:47 PM, James Almer wrote:
> On 7/12/2016 3:48 PM, Vignesh Venkatasubramanian wrote:
>> VPx (VP8/VP9) alpha encoding has been part of FFmpeg. Now, add the
>> ability to decode such files with alpha channel.
>>
>> Signed-off-by:
Milliseconds is the de-factor precision for timestamps in
Matroska/WebM media.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/webm_chunk.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/libavformat/webm_chunk.c b/libavformat/webm_chunk.c
index 9db4fab..44a1695 100644
--- a
On Mon, Aug 22, 2016 at 5:13 PM, Vignesh Venkatasubramanian
wrote:
> Milliseconds is the de-factor precision for timestamps in
> Matroska/WebM media.
>
> Signed-off-by: Vignesh Venkatasubramanian
> ---
> libavformat/webm_chunk.c | 5 +
> 1 file changed, 5 insertion
Add an option to specify HTTP header in the WebM Chunk Muxer (this
works the same way as the 'method' parameter in the HLS muxer).
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/webm_chunk.c | 14 --
1 file changed, 12 insertions(+), 2 deletions(-)
di
Add an option to specify HTTP header in the WebM Chunk Muxer (this
works the same way as the 'method' parameter in the HLS muxer).
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/webm_chunk.c | 14 --
1 file changed, 12 insertions(+), 2 deletions(-)
di
On Wed, Sep 14, 2016 at 8:46 AM, Carl Eugen Hoyos wrote:
>
> 2016-09-13 22:12 GMT+02:00 Vignesh Venkatasubramanian
> :
> > Add an option to specify HTTP header in the WebM Chunk Muxer
>
> > (this works the same way as the 'method' parameter in the HLS muxer).
On Sat, Jun 11, 2016 at 2:22 PM, Ronald S. Bultje wrote:
>
> Hi,
>
> On Fri, Jun 10, 2016 at 6:25 PM, Kongqun Yang wrote:
>
> > Implemented according to the draft specification
> > "VP Codec ISO Media File Format Binding":
> >
> > http://www.webmproject.org/vp9/#draft-vp-codec-iso-media-file-form
Chrome canary now supports decoding of VP9 streams with alpha
channel [1]. Add support to ffmpeg for creating such files.
[1] https://codereview.chromium.org/2096813002/
Signed-off-by: Vignesh Venkatasubramanian
---
libavcodec/libvpx.c| 3 +++
libavcodec/libvpxenc.c | 1 +
2 files changed
On Thu, Jun 30, 2016 at 10:37 PM, James Zern
wrote:
> On Thu, Jun 30, 2016 at 4:16 PM, Vignesh Venkatasubramanian
> wrote:
>> Chrome canary now supports decoding of VP9 streams with alpha
>> channel [1]. Add support to ffmpeg for creating such files.
>>
>> [1] h
On Fri, Jul 1, 2016 at 11:06 AM, James Almer wrote:
> On 7/1/2016 2:53 PM, Ronald S. Bultje wrote:
>> Hi,
>>
>> On Fri, Jul 1, 2016 at 1:40 PM, James Zern
>> wrote:
>>
>>> On Fri, Jul 1, 2016 at 10:07 AM, Carl Eugen Hoyos
>>> wrote:
> Do we have decoder support (for either vp8 or vp9) for th
On Fri, Jul 1, 2016 at 12:48 PM, Ronald S. Bultje wrote:
> Hi,
>
> On Fri, Jul 1, 2016 at 3:29 PM, Ronald S. Bultje wrote:
>
>> Hi,
>>
>> On Fri, Jul 1, 2016 at 3:12 PM, Vignesh Venkatasubramanian <
>> vigneshv-at-google@ffmpeg.org> wrote:
>>
On Fri, Jul 1, 2016 at 3:03 PM, Ronald S. Bultje wrote:
> Hi,
>
> On Fri, Jul 1, 2016 at 5:27 PM, Vignesh Venkatasubramanian <
> vigneshv-at-google@ffmpeg.org> wrote:
>
>> On Fri, Jul 1, 2016 at 12:48 PM, Ronald S. Bultje
>> wrote:
>> > Hi,
>>
VPx (VP8/VP9) alpha encoding has been part of FFmpeg. Now, add the
ability to decode such files with alpha channel.
Signed-off-by: Vignesh Venkatasubramanian
---
libavcodec/libvpxdec.c | 111 ---
tests/fate/vpx.mak | 3 +
tests/ref/fate
On Wed, Jul 6, 2016 at 4:50 PM, Vignesh Venkatasubramanian
wrote:
> On Fri, Jul 1, 2016 at 3:03 PM, Ronald S. Bultje wrote:
>> Hi,
>>
>> On Fri, Jul 1, 2016 at 5:27 PM, Vignesh Venkatasubramanian <
>> vigneshv-at-google@ffmpeg.org> wrote:
>>
>&g
VPx (VP8/VP9) alpha encoding has been part of FFmpeg. Now, add the
ability to decode such files with alpha channel.
Signed-off-by: Vignesh Venkatasubramanian
---
libavcodec/libvpxdec.c | 102 +---
tests/fate/vpx.mak | 3 +
tests/ref/fate/vp8
On Mon, Jul 11, 2016 at 5:55 PM, James Zern
wrote:
> On Thu, Jul 7, 2016 at 11:43 AM, Vignesh Venkatasubramanian
> wrote:
>> VPx (VP8/VP9) alpha encoding has been part of FFmpeg. Now, add the
>> ability to decode such files with alpha channel.
>>
>> Signed-off-
On Thu, Jul 7, 2016 at 12:02 PM, Ronald S. Bultje wrote:
> Hi Vignesh,
>
> On Thu, Jul 7, 2016 at 2:44 PM, Vignesh Venkatasubramanian <
> vigneshv-at-google@ffmpeg.org> wrote:
>
>> On Wed, Jul 6, 2016 at 4:50 PM, Vignesh Venkatasubramanian
>> wrote:
&g
On Tue, Jan 31, 2017 at 10:18 PM, wm4 wrote:
>
> On Tue, 31 Jan 2017 12:02:01 -0800
> Chris Cunningham wrote:
>
> > Thanks for taking a look.
> >
> > Definitely missing a "break;" - will fix in subsequent patch.
> >
> > Agree timestamps should be relative (didn't realize this). Vignesh points
> >
On Thu, Feb 2, 2017 at 10:16 PM, wm4 wrote:
> On Thu, 2 Feb 2017 10:47:52 -0800
> Vignesh Venkatasubramanian wrote:
>
>> On Tue, Jan 31, 2017 at 10:18 PM, wm4 wrote:
>> >
>> > On Tue, 31 Jan 2017 12:02:01 -0800
>> > Chris Cunningham w
On Fri, Feb 3, 2017 at 2:42 PM, Chris Cunningham
wrote:
> Blocks are marked as key frames whenever the "reference" field is
> zero. This breaks for non-keyframe Blocks with a reference timestamp
> of zero.
>
> The likelihood of reference timestamp being zero is increased by a
> longstanding bug in
Add fate tests that test out the functionality of WebM DASH
Manifest XML generation. This patch contains the vpx.mak file
changes and the reference gold XML files.
---
tests/fate/vpx.mak | 9
tests/ref/fate/webm-dash-manifest | 48
On Mon, Aug 25, 2014 at 1:17 PM, Timothy Gu wrote:
> On Mon, Aug 25, 2014 at 12:27 PM, Vignesh Venkatasubramanian
> wrote:
>> add ffmpeg_raw() function to fate-run.sh which will run the exact
>> ffmpeg command as specified in the *.mak file without any changes.
>> ---
&
On Mon, Aug 25, 2014 at 4:35 PM, Lou Logan wrote:
> On Mon, 25 Aug 2014 16:26:16 -0700, Vignesh Venkatasubramanian wrote:
>
>> i sent the files associated with this fate test as a tarball to this
>> mailing list and got a reply saying "message is awaiting moderator
Fix an incorrect hard code in cues_end computation. Updating the fate
test reference files related to the fix as well. The earlier computation
was clearly wrong as the cues_end field was greater than the file size
itself in some cases.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat
On Thu, Oct 9, 2014 at 8:28 AM, Frank Galligan wrote:
> In dahsmode Matroska is not writing the first Cluster for every
> audio stream in the Cues element.
>
> Signed-off-by: Frank Galligan
> ---
> libavformat/matroskaenc.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git
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 |
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
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
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.
>
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
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
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
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
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 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:
> >>
> >>
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 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
Fix unchecked strftime return value. This patch fixes Coverity
CID 1295086.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/webmdashenc.c | 22 ++
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/libavformat/webmdashenc.c b/libavformat/webmdashenc.c
/index.html#block_structure
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/matroskaenc.c | 30 +++---
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index aa9d119..98b6500 100644
--- a/libavformat
On Mon, Jun 1, 2015 at 5:35 PM, James Almer wrote:
> On 01/06/15 9:07 PM, Vignesh Venkatasubramanian wrote:
>> Per matroska Block Structure [1], for keyframes 0th bit of the flag
>> should not be set (unlike SimpleBlocks). For Blocks, keyframes is
>> inferred by the abse
This patch adds support for WebM Live Muxing by adding a new WebM
Chunk muxer. It writes out live WebM Chunks which can be used for
playback using Live DASH Clients.
Please see muxers.texi for sample usage.
Signed-off-by: Vignesh Venkatasubramanian
---
Changelog | 1 +
doc
This patch adds support for WebM Live Muxing by adding a new WebM
Chunk muxer. It writes out live WebM Chunks which can be used for
playback using Live DASH Clients.
Please see muxers.texi for sample usage.
Signed-off-by: Vignesh Venkatasubramanian
---
Changelog | 1 +
doc
This patch adds support for creating DASH manifests for WebM Live
Streams. It also updates the documentation and adds a fate test to
verify the behavior of the new muxer flag.
Signed-off-by: Vignesh Venkatasubramanian
---
doc/muxers.texi| 27 -
libavformat
On Tue, Mar 31, 2015 at 6:45 PM, Timothy Gu wrote:
>
>
> On Tue, Mar 31, 2015 at 5:11 PM Vignesh Venkatasubramanian
> wrote:
>>
>> This patch adds support for creating DASH manifests for WebM Live
>> Streams. It also updates the documentation and adds a fate test to
On Sat, Apr 4, 2015 at 3:38 PM, Michael Niedermayer wrote:
> On Mon, Mar 30, 2015 at 02:46:10PM -0700, Vignesh Venkatasubramanian wrote:
>> This patch adds support for WebM Live Muxing by adding a new WebM
>> Chunk muxer. It writes out live WebM Chunks which can be used for
>>
On Tue, Apr 7, 2015 at 12:50 PM, Michael Niedermayer wrote:
> On Tue, Apr 07, 2015 at 12:21:02PM -0700, Vignesh Venkatasubramanian wrote:
>> MSVC does not support the %F and %T format specifiers in strftime.
>> Replace that with the expanded version. This fixes the broken fate
&
Fix potential leak in av_realloc call where the output was being
overwritten by using a temporary variable.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/webmdashenc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavformat/webmdashenc.c b/libavformat
Add a missing failure check for av_malloc call.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/webmdashenc.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavformat/webmdashenc.c b/libavformat/webmdashenc.c
index c5347a9..80266f7 100644
--- a/libavformat
On Mon, Apr 13, 2015 at 12:46 PM, Michael Niedermayer wrote:
> On Mon, Apr 13, 2015 at 12:16:31PM -0700, Vignesh Venkatasubramanian wrote:
>> Add a missing failure check for av_malloc call.
>>
>> Signed-off-by: Vignesh Venkatasubramanian
>> ---
>> libavformat/we
Fix potential memory leak in WebM DASH Muxer. This fixes coverity
scan CID 1295088.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/webmdashenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/webmdashenc.c b/libavformat/webmdashenc.c
index a8eb8ac
Some players do not support setting minimumUpdatePeriod to zero.
This patch adds a new parameter that will let the users set any
value to this field. Also updates the test and the documentation.
Signed-off-by: Vignesh Venkatasubramanian
---
doc/muxers.texi| 4
element with the http
profile only if a URL is passed as a parameter. Update the fate
test to reflect this change.
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/webmdashenc.c | 10 +-
tests/ref/fate/webm-dash-manifest-live | 3 ---
2 files changed, 5 insertions
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 963cc1bcbc..0398060a2f 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) Verfied 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, Feb 17, 2022 at 10:09 AM James Zern wrote:
>
> On Wed, Feb 16, 2022 at 9:51 PM Vignesh Venkatasubramanian
> wrote:
> >
> > Add a parameter to libaom-av1 encoder to enforce some of the single
> > image constraints in the AV1 encoder. Setting this flag wi
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 963cc1bcbc..638c1deca6 100644
--- a
On Thu, Feb 17, 2022 at 1:00 PM James Almer wrote:
>
>
>
> On 2/17/2022 2:51 AM, Vignesh Venkatasubramanian wrote:
> > Add a parameter to libaom-av1 encoder to enforce some of the single
> > image constraints in the AV1 encoder. Setting this flag will limit
> > th
still images, firefox does not support
animated AVIF yet).
3) Verfied 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
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 963cc1bcbc..a6d752ab4a 100644
--- a
still images, firefox does not support
animated AVIF yet).
3) Verfied 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, Feb 22, 2022 at 12:03 PM James Almer wrote:
>
>
> On 2/22/2022 3:40 PM, Vignesh Venkatasubramanian wrote:
> > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
> > AVIF Specifiation: https://aomediacodec.github.io/av1-avif
> >
> > S
still images, firefox does not support
animated AVIF yet).
3) Verfied 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, Feb 22, 2022 at 1:43 PM Vignesh Venkatasubramanian
wrote:
>
> 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 -av
On Thu, Feb 24, 2022 at 9:34 AM Vignesh Venkatasubramanian
wrote:
>
> On Tue, Feb 22, 2022 at 1:43 PM Vignesh Venkatasubramanian
> wrote:
> >
> > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
> > AVIF Specifiation: https://aomediacodec.github
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
On Wed, Mar 2, 2022 at 2:57 PM James Almer wrote:
>
> On 2/17/2022 2:51 AM, Vignesh Venkatasubramanian wrote:
> > 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
> > follo
still images, firefox does not support
animated AVIF yet).
3) Verfied 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, Mar 3, 2022 at 7:36 AM James Almer wrote:
>
> On 2/22/2022 6:43 PM, Vignesh Venkatasubramanian wrote:
> > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
> > AVIF Specifiation: https://aomediacodec.github.io/av1-avif
> >
> > Sample
On Thu, Mar 3, 2022 at 11:46 AM James Almer wrote:
>
>
>
> On 3/3/2022 4:20 PM, Vignesh Venkatasubramanian wrote:
> > On Thu, Mar 3, 2022 at 7:36 AM James Almer wrote:
> >>
> >> On 2/22/2022 6:43 PM, Vignesh Venkatasubramanian wrote:
> >>> Add an
image.avif image.png
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 142 +
2 files changed, 143 insertions(+)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
still images, firefox does not support
animated AVIF yet).
3) Verfied 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 Fri, Mar 4, 2022 at 3:24 AM James Almer wrote:
>
> On 3/3/2022 4:16 PM, Vignesh Venkatasubramanian wrote:
> > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
> > AVIF Specifiation: https://aomediacodec.github.io/av1-avif
> >
> > Sample
On Fri, Mar 4, 2022 at 9:54 AM Vignesh Venkatasubramanian
wrote:
>
> On Fri, Mar 4, 2022 at 3:24 AM James Almer wrote:
> >
> > On 3/3/2022 4:16 PM, Vignesh Venkatasubramanian wrote:
> > > Add an AVIF muxer by re-using the existing the mov/mp4 muxer.
> >
still images, firefox does not support
animated AVIF yet).
3) Verfied 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, Mar 10, 2022 at 8:01 AM Andreas Rheinhardt
wrote:
>
> 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:
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 existing the mov/mp4 muxer.
> > >
> > > A
On Thu, Mar 3, 2022 at 3:58 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, Mar 16, 2022 at 5:41 AM Lynne wrote:
>
> 15 Mar 2022, 22:38 by vigneshv-at-google@ffmpeg.org:
>
> > On Thu, Mar 3, 2022 at 3:58 PM Vignesh Venkatasubramanian
> > wrote:
> >
> >>
> >> Add support for parsing AVIF still images. This patc
image.avif image.png
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 142 +
2 files changed, 143 insertions(+)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
image.avif image.png
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 142 +
2 files changed, 143 insertions(+)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
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 Venkatasubramani
On Mon, Mar 21, 2022 at 1:46 PM Andreas Rheinhardt
wrote:
>
> 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:
still images, firefox does not support
animated AVIF yet).
3) Verfied 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, Mar 16, 2022 at 10:02 AM 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 Tue, Mar 22, 2022 at 9:46 AM Vignesh Venkatasubramanian
wrote:
>
> 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 -av
On Tue, Mar 22, 2022 at 2:56 PM Vignesh Venkatasubramanian
wrote:
>
> On Wed, Mar 16, 2022 at 10:02 AM Vignesh Venkatasubramanian
> wrote:
> >
> > Add support for parsing AVIF still images. This patches supports
> > AVIF still images that have exactly 1 i
On Mon, Mar 28, 2022 at 10:11 AM Paul B Mahol wrote:
>
> On Mon, Mar 28, 2022 at 7:07 PM Vignesh Venkatasubramanian <
> vigneshv-at-google@ffmpeg.org> wrote:
>
> > On Tue, Mar 22, 2022 at 2:56 PM Vignesh Venkatasubramanian
> > wrote:
> > >
> &g
image.avif image.png
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 142 +
2 files changed, 143 insertions(+)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
image.avif image.png
Partially fixes trac ticket #7621
Signed-off-by: Vignesh Venkatasubramanian
---
libavformat/isom.h | 1 +
libavformat/mov.c | 148 +
2 files changed, 149 insertions(+)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index
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 7dbb6f6f39..ccd0823b97 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) Verfied 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
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
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