On 26 October 2017 at 16:34, Carl Eugen Hoyos wrote:
> Was this already mentioned somewhere?
> Do other codecs with large sample rates in mp4 play with Firefox?
not if the metadata reports a sampling rate of 0
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2017-10-26 8:37 GMT+02:00 Jean-Yves Avenard :
> Hi
>
> On 25 October 2017 at 23:57, Carl Eugen Hoyos wrote:
>
>>> ISOBMFF only defines that AudioSampleEntryV1 should be used instead,
>>> in which case the sampling_rate is a 32 bits integer (ISO 14496-12
>>> 12.2.3.2)
>>
>> Not sure I understand:
>
Hi
On 25 October 2017 at 23:57, Carl Eugen Hoyos wrote:
>> ISOBMFF only defines that AudioSampleEntryV1 should be used instead,
>> in which case the sampling_rate is a 32 bits integer (ISO 14496-12
>> 12.2.3.2)
>
> Not sure I understand:
> In ticket #6609, I asked if this is a flac-only issue.
>
On Wed, Oct 25, 2017 at 06:48:06PM -0400, Ronald S. Bultje wrote:
> Hi,
>
> On Wed, Oct 25, 2017 at 5:57 PM, Carl Eugen Hoyos
> wrote:
>
> > 2017-10-25 16:52 GMT+02:00 Jean-Yves Avenard :
> > > hi
> > >
> > > On 26 August 2017 at 12:08, Carl Eugen Hoyos wrote:
> > >> 2017-08-25 13:25 GMT+02:00
Hi,
On Wed, Oct 25, 2017 at 5:57 PM, Carl Eugen Hoyos
wrote:
> 2017-10-25 16:52 GMT+02:00 Jean-Yves Avenard :
> > hi
> >
> > On 26 August 2017 at 12:08, Carl Eugen Hoyos wrote:
> >> 2017-08-25 13:25 GMT+02:00 Jean-Yves Avenard :
> >>
> >>> +if (track->par->codec_id == AV_CODEC_ID_FL
2017-10-25 16:52 GMT+02:00 Jean-Yves Avenard :
> hi
>
> On 26 August 2017 at 12:08, Carl Eugen Hoyos wrote:
>> 2017-08-25 13:25 GMT+02:00 Jean-Yves Avenard :
>>
>>> +if (track->par->codec_id == AV_CODEC_ID_FLAC) {
>>
>> Why does this only apply to flac?
>>
>
> Sorry, I had missed your
hi
On 26 August 2017 at 12:08, Carl Eugen Hoyos wrote:
> 2017-08-25 13:25 GMT+02:00 Jean-Yves Avenard :
>
>> +if (track->par->codec_id == AV_CODEC_ID_FLAC) {
>
> Why does this only apply to flac?
>
Sorry, I had missed your reply.
The specification on how sampling rate is to be store
Hi,
On Fri, Aug 25, 2017 at 7:29 PM, Michael Niedermayer wrote:
> On Fri, Aug 25, 2017 at 01:25:23PM +0200, Jean-Yves Avenard wrote:
> > From 9baa7166fa96ed6beac9146c7e3b4dcf425a67d0 Mon Sep 17 00:00:00 2001
> > From: Jean-Yves Avenard
> > Date: Fri, 25 Aug 2017 13:11:28 +0200
> > Subject: [PAT
2017-08-25 13:25 GMT+02:00 Jean-Yves Avenard :
> +if (track->par->codec_id == AV_CODEC_ID_FLAC) {
Why does this only apply to flac?
Carl Eugen
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On Fri, Aug 25, 2017 at 01:25:23PM +0200, Jean-Yves Avenard wrote:
> From 9baa7166fa96ed6beac9146c7e3b4dcf425a67d0 Mon Sep 17 00:00:00 2001
> From: Jean-Yves Avenard
> Date: Fri, 25 Aug 2017 13:11:28 +0200
> Subject: [PATCH] Properly store sampling rate for FLAC in mp4
>
> Fixes ticket #6609
>
>
From 9baa7166fa96ed6beac9146c7e3b4dcf425a67d0 Mon Sep 17 00:00:00 2001
From: Jean-Yves Avenard
Date: Fri, 25 Aug 2017 13:11:28 +0200
Subject: [PATCH] Properly store sampling rate for FLAC in mp4
Fixes ticket #6609
Signed-off-by: Jean-Yves Avenard
---
libavformat/movenc.c | 28 +
Note that that it's also not correct for other codecs when the
sampling rate is greater than 65536. Right now it stores 0.
If in quicktime mode, it could use a SoundDescription v2 box, but in
mp4 that doesn't exist.
Per ISO 14496-12 , it should be using a AudioSampleEntryV1 along a
SamplingRateBox
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