FFmpeg/libavcodec/gsmdec_data.h
Michael Niedermayer 794006f8fe Merge remote-tracking branch 'qatar/master'
* qatar/master:
  fft: init functions with INIT_XMM/YMM.
  pcmenc: set frame_size to 0.
  gsm demuxer: use generic seeking instead of a gsm-specific function.
  gsm demuxer: return packets with only 1 gsm block at a time.
  avcodec: add GSM parser
  doc: Replace ffmpeg references in avserver config file by avconv.
  doc: Fix names of av_log color environment variables.
  Fix a bunch of platform name and other typos.
  Add some missing changelog entries and release 0.8_beta2
  No longer build libpostproc by default
  wtv: fix memleaks during normal operation
  threads: add CODEC_CAP_AUTO_THREADS for libvpx and xavs

Conflicts:
	Changelog
	RELEASE
	cmdutils.c
	configure
	doc/ffserver.conf
	doc/platform.texi
	ffplay.c
	libavcodec/Makefile
	libavcodec/version.h
	libavformat/wtv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-12 01:10:32 +01:00

45 lines
1.4 KiB
C

/*
* gsm 06.10 decoder data
* Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@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
*/
#ifndef AVCODEC_GSMDEC_DATA
#define AVCODEC_GSMDEC_DATA
#include <stdint.h>
#include "avcodec.h"
typedef struct {
AVFrame frame;
// Contains first 120 elements from the previous frame
// (used by long_term_synth according to the "lag"),
// then in the following 160 elements the current
// frame is constructed.
int16_t ref_buf[280];
int v[9];
int lar[2][8];
int lar_idx;
int msr;
} GSMContext;
extern const uint16_t ff_gsm_long_term_gain_tab[4];
extern const int16_t ff_gsm_dequant_tab[64][8];
#endif /* AVCODEC_GSMDEC_DATA */