[FFmpeg-devel] [PATCH] avcodec/alsdec: implement floating point decoding

[Umair Khan]

On Fri, Aug 5, 2016 at 5:48 PM, Thilo Borgmann <thilo.borgmann at mail.de> wrote:
> Am 05.08.16 um 11:45 schrieb Michael Niedermayer:
>> On Fri, Jul 29, 2016 at 08:33:13PM +0530, Umair Khan wrote:
>>> On Thu, Jul 28, 2016 at 7:12 PM, Umair Khan <omerjerk at gmail.com> wrote:
>>>> On Thu, Jul 28, 2016 at 2:25 PM, Thilo Borgmann <thilo.borgmann at mail.de> wrote:
>>>>> Am 28.07.16 um 08:28 schrieb Umair Khan:
>>>>>> On Thu, Jul 28, 2016 at 12:22 AM, Clément Bœsch <u at pkh.me> wrote:
>>>>>>> On Wed, Jul 27, 2016 at 07:48:56PM +0200, Thilo Borgmann wrote:
>>>>>>>>> @@ -1803,6 +2057,34 @@ static av_cold int decode_init(AVCodecContext *avctx)
>>>>>>>>>      ctx->raw_buffer       = av_mallocz_array(avctx->channels * channel_size, sizeof(*ctx->raw_buffer));
>>>>>>>>>      ctx->raw_samples      = av_malloc_array(avctx->channels, sizeof(*ctx->raw_samples));
>>>>>>>>>
>>>>>>>>> +    if (sconf->floating) {
>>>>>>>>> +        ctx->acf               = av_malloc_array(avctx->channels, sizeof(*ctx->acf));
>>>>>>>>> +        ctx->shift_value       = av_malloc_array(avctx->channels, sizeof(*ctx->shift_value));
>>>>>>>>> +        ctx->last_shift_value  = av_malloc_array(avctx->channels, sizeof(*ctx->last_shift_value));
>>>>>>>>> +        ctx->last_acf_mantissa = av_malloc_array(avctx->channels, sizeof(*ctx->last_acf_mantissa));
>>>>>>>>> +        ctx->raw_mantissa      = av_malloc_array(avctx->channels, sizeof(*ctx->raw_mantissa));
>>>>>>>>> +
>>>>>>>>> +        ctx->larray = av_malloc_array(ctx->cur_frame_length * 4, sizeof(*ctx->larray));
>>>>>>>>> +        ctx->nbits  = av_malloc_array(ctx->cur_frame_length, sizeof(*ctx->nbits));
>>>>>
>>>>>>>>> +        ctx->mlz    = av_malloc(sizeof(*ctx->mlz));
>>>>>>>>> +        ff_mlz_init_dict(avctx, ctx->mlz);
>>>>>>>>> +        ff_mlz_flush_dict(ctx->mlz);
>>>>>
>>>>> ctx->mlz is also used without allocation check. Are the _dict functions safe for
>>>>> ctx->mlz == NULL?
>>>
>>> I had sent the old patch file by mistake. This is the correct one.
>>>
>>> - Umair
>>
>>>  0001-avcodec-alsdec-implement-floating-point-decoding.patch |  771 ++++++++++++
>>>  Changelog                                                   |    3
>>>  libavcodec/Makefile                                         |    2
>>>  libavcodec/alsdec.c                                         |  284 ++++
>>>  libavcodec/mlz.c                                            |  173 ++
>>>  libavcodec/mlz.h                                            |   70 +
>>>  libavutil/softfloat_ieee754.h                               |  115 +
>>>  7 files changed, 1415 insertions(+), 3 deletions(-)
>>
>>  "0001-avcodec-alsdec-implement-floating-point-decoding.patch"
>> looks like it shouldnt be in the checkin that way
>
> Oh I missed that, sorry...

I didn't get it. Should I change the name of the file?

- Umair