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

[Reimar Döffinger]

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?