[Vorbis-dev] Enhanced Podcasts with Ogg Vorbis (Chapter Marks)

Silvia Pfeiffer silvia at silvia-pfeiffer.de
Sat Apr 14 18:42:41 PDT 2012

Can you post links to the files? I've had private requests for files
so others can test them on other devices, too.
I didn't want to create heaps, since I don't know the range where it
would break, but you seem to have done so already.
So, this would really help test on other devices.


On Sun, Apr 15, 2012 at 9:36 AM, Ian Malone <ibmalone at gmail.com> wrote:
> On 13 April 2012 10:04, Silvia Pfeiffer <silvia at silvia-pfeiffer.de> wrote:
>> For those of you wanting to do experiments, get yourself a file from
>> http://www.vorbis.com/music/ and run the vorbiscomment program (which
>> you can get from the vorbis-tools package). Use a base64 encoded image
>> (I have a command-line tool called "base64") as the value of a field
>> (e.g. call the field BLOCK_PICTURE) for the vorbiscomment program.
>> Repeat that until you get a file that your HW player doesn't play any
>> more.
> Sansa Clip+ 8GB,
> Somewhere between a 486K and 635K comment the Clip+ locks up. This
> appears to be related to total comment size rather than individual
> tags. In the following xxpc refers to the image size, 2x and 3x
> indicate multiple METADATA_BLOCK_PICTURE entries.
> 729K  3x30pcsize - crash *
> 635K  50pcsize - crash
> 486K  2x30pcsize - okay
> 480K  45pcsize - okay
> * crash occurs whether or not replaygain is enabled, this is the only
> one I've tested that for.
> In the case of crashes the player freezes, holding down the down
> button is required to turn it off. It then takes longer than normal to
> start up again, seems to do a reset to an earlier state. Total file
> size was 4.5M (3x30pc), 4.4M (50pc), 4.2M (45pc/2x30pc). I used the
> Hydrate-Kenny_Beltrey.ogg file for testing.
> --
> imalone
> http://ibmalone.blogspot.co.uk
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