[FFmpeg-devel] [PATCH] allow non-repeating pulse vectors in ff_set_fixed_vector()

Vitor Sessak vitor1001
Fri Jan 29 01:23:26 CET 2010

On Thu, Jan 28, 2010 at 7:12 PM, Ronald S. Bultje <rsbultje at gmail.com> wrote:
> Hi,
> On Jan 28, 2010, at 6:53 PM, Vitor Sessak <vitor1001 at gmail.com> wrote:
>> On Thu, Jan 28, 2010 at 9:39 AM, Ronald S. Bultje <rsbultje at gmail.com>
>> wrote:
>>> $subj, used in WMAVoice and adapted from a previous patch by Mans'
>>> suggestions on how to make optimal code with gcc. The nice thing is
>>> that the default behaviour (repeat) can be done in a one-liner for all
>>> items in the array, whereas complex behaviour (like WMAVoice,
>>> no-repeat) can be done in ways that punishes that decoder alone, not
>>> others. (hence the "no-repeat" instead of "repeat").
>> Missing changes in siprdec.c (passing AMRFixed.no_repeat_mask
>> uninitialized is a bad idea).
>> Besides that, ok if tested not to break SIPR.
> But it doesn't actually use it, do you still want me to set it?

sipr16k.c uses ff_set_fixed_vector(). Unless I'm missing something,
AMRFixed.no_repeat_mask = 0 behaves as the current code and
AMRFixed.no_repeat_mask = 0xfffff does something different. Since
sipr16k alloc AMRFixed on the stack,  AMRFixed.no_repeat_mask is
initialized to random junk.


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