[Tremor] ov_pcm_tell > ov_pcm_total by design?

[xiphmont at xiph.org]

Apologies, just waylaid by the holidays here and all the schedule
problems they cause.  You've not been forgotten :-)

Monty

On Wed, Dec 29, 2010 at 10:37 AM, Kwasi Mensah <kwasi.mensah at gmail.com> wrote:
> Hi,
>
> Checking in again to see if there's any progress. I have a work around but
> it's a hack. I'd like to find out what I'm doing wrong if I am using tremor
> the wrong way.
>
> I tried debugging the tremor source code myself but I'm not uber familiar
> with the specification and I don't have the time to learn it thoroughly.
>
> Thanks,
> Kwasi
>
>
>
> On Mon, Dec 20, 2010 at 7:57 PM, Kwasi Mensah <kwasi.mensah at gmail.com>
> wrote:
>>
>> Hi,
>>
>> Has there been any progress on what could be wrong? Should I submit this
>> as a formal bug (and where would I do that at?)
>>
>> Thanks,
>> Kwasi
>>
>> On Wed, Dec 15, 2010 at 11:57 AM, Kwasi Mensah <kwasi.mensah at gmail.com>
>> wrote:
>>>
>>> Clarified the behavior I'm seeing in ov_read.
>>>
>>> On Wed, Dec 15, 2010 at 11:55 AM, Kwasi Mensah <kwasi.mensah at gmail.com>
>>> wrote:
>>>>
>>>> It's a attached. It's one second of A220 mono at 44100hz.
>>>>
>>>> Also attached is the source for an example that will show the problem. I
>>>> had to run it on my iPhone so its a .mm. Also, you'll have to add A220.ogg
>>>> to the top level of you're .app and then recompile it to make the code
>>>> signature process happy.
>>>>
>>>> For the last ov_read which pushes ov_pcm_tell of ov_pcm_totoal ov_read
>>>> calls _fetch_and_process_packet which will call vorbis_synthesis_blockin
>>>> after making sure oldsamples == 0.  vorbis_synthesis_blockin updates
>>>>  v->pcm_returned to 0 and v->pcm_current to 1024.
>>>>
>>>> Now,  vorbis_synthesis_pcmout will always return 1024.
>>>>
>>>> Thanks,
>>>> Kwasi
>>>>
>>>> On Wed, Dec 15, 2010 at 5:53 AM, <xiphmont at xiph.org> wrote:
>>>>>
>>>>> On Wed, Dec 15, 2010 at 3:20 AM, Kwasi Mensah <kwasi.mensah at gmail.com>
>>>>> wrote:
>>>>> > Hey guys,
>>>>> >
>>>>> > I'm using Tremor cl 17618. vorbis_synthesis_blockin is doing some
>>>>> > type of
>>>>> > overlap adding that I think is pushing ov_pcm_tell to be greater than
>>>>> > ov_pcm_total when reading the last bit of audio data from an ogg
>>>>> > file. This
>>>>> > causes a later call I make to ov_pcm_seek fail. Is this by design?
>>>>> > Should I
>>>>> > just fix my call to ov_pcm_seek to take this into account?
>>>>>
>>>>> That is not by design; tell and total should agree (and do on the test
>>>>> cases I have here).  Could you perhaps send me the file causing
>>>>> trouble?
>>>>>
>>>>> Monty
>>>>
>>>
>>
>
>