[FFmpeg-cvslog] r24158 - in trunk: Changelog doc/general.texi libavcodec/Makefile libavcodec/allcodecs.c libavcodec/avcodec.h libavcodec/gsmdec.c

[Vitor Sessak]

On 07/27/2010 07:11 PM, Reimar D?ffinger wrote:
> On Tue, Jul 27, 2010 at 06:30:35PM +0200, Vitor Sessak wrote:
>> On 07/10/2010 09:55 AM, reimar wrote:
>>> Author: reimar
>>> Date: Sat Jul 10 09:55:06 2010
>>> New Revision: 24158
>>>
>>> Log:
>>> Add native GSM 06.10 audio decoder.
>>
>>> Added: trunk/libavcodec/gsmdec.c
>>> ==============================================================================
>>> --- /dev/null	00:00:00 1970	(empty, because file is newly added)
>>> +++ trunk/libavcodec/gsmdec.c	Sat Jul 10 09:55:06 2010	(r24158)
>>> @@ -0,0 +1,316 @@
>>> +/*
>>> + * gsm 06.10 decoder
>>> + * Copyright (c) 2010 Reimar D?ffinger<Reimar.Doeffinger at gmx.de>
>>> + *
>>> + * This file is part of FFmpeg.
>>> + *
>>> + * FFmpeg is free software; you can redistribute it and/or
>>> + * modify it under the terms of the GNU Lesser General Public
>>> + * License as published by the Free Software Foundation; either
>>> + * version 2.1 of the License, or (at your option) any later version.
>>> + *
>>> + * FFmpeg is distributed in the hope that it will be useful,
>>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
>>> + * Lesser General Public License for more details.
>>> + *
>>> + * You should have received a copy of the GNU Lesser General Public
>>> + * License along with FFmpeg; if not, write to the Free Software
>>> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>>> + */
>>> +
>>> +/**
>>> + * @file
>>> + * GSM decoder
>>> + */
>>> +
>>> +#define ALT_BITSTREAM_READER_LE
>>> +#include "avcodec.h"
>>> +#include "get_bits.h"
>>> +
>>> +// input and output sizes in byte
>>> +#define GSM_BLOCK_SIZE    33
>>> +#define GSM_MS_BLOCK_SIZE 65
>>> +#define GSM_FRAME_SIZE   160
>>> +
>>> +typedef struct {
>>> +    int16_t ref_buf[280];
>>
>> Are the first 120 elements of ref_buf write-only?
>
> Huh? Does the documentation I committed clarify it?

Yes, 10l for me.

-Vitor