Hi, any feedback on this patch ?
Thanks
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it possible
to read the media at 60Hz.
Signed-off-by: Arnaud Masserann
---
libavformat/demux.h | 11 +++
libavformat/isom.h | 2 ++
libavformat/mov.c | 20 ++--
libavformat/utils.c | 30 ++
4 files changed, 61 insertions(+), 2 deletions
n Sun, 24 Nov 2024 18:14:03 +0100
> Arnaud Masserann wrote:
>
> > Good question. I just benchmarked all the .mov files in the samples repo.
> > On average, there is a 1.3x speedup. A few files are slower, but 75%
> > of the files have at least a 1.11x speedup, and 25% of
AVBufferPool is actually super lazy. It does not allocate N buffers at
initialization. So for images, in all three cases (per-stream,
per-media, and no pool), the behaviour is the same : 1 av_malloc per
stream.
To be sure, I ran more tests:
On image1.heic (48-streams), as reported by massif with `
like some more detailed analysis ?
Arnaud
On Sat, Nov 23, 2024 at 1:46 PM Ronald S. Bultje wrote:
>
> Hi Arnaud,
>
> On Fri, Nov 22, 2024 at 1:08 PM Arnaud Masserann
> wrote:
>
> > - Should the pools be per-stream (in MOVStreamContext) or per file (in
> > MOVContext)
:46:19 +0100
> Arnaud Masserann wrote:
>
> > Most demuxers allocate a new buffer for each packet.
> > For MOV, this can be problematic, because of some high-bitrate
> > codecs like ProRes/HAPQ/NotchLC.
> >
> > Use pools of buffer instead.
> >
> > For
Arnaud Masserann wrote:
>
> Most demuxers allocate a new buffer for each packet.
> For MOV, this can be problematic, because of some high-bitrate
> codecs like ProRes/HAPQ/NotchLC.
>
> Use pools of buffer instead.
>
> For some test media, demuxing goes from 20ms/frame to 11
it possible
to read the media at 60Hz.
Signed-off-by: Arnaud Masserann
---
libavformat/avformat.h | 12
libavformat/isom.h | 2 ++
libavformat/mov.c | 20 ++--
libavformat/utils.c| 29 +
4 files changed, 61 insertions(+), 2
