mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-09-20 05:16:38 +00:00
55c49afc42
* qatar/master: yuv4mpeg: return proper error codes. Give all anonymously typedeffed structs in headers a name fate: Add parseutils test parseutils-test: Drop random colors from parsing test vf_pad/scale: use double precision for aspect ratios. build: error on variable-length arrays ppc: swscale: rework yuv2planeX_altivec() ppc: fmtconvert: kill VLA in float_to_int16_interleave_altivec() x86: dsputil: kill VLA in gmc_mmx() libspeexenc: Updated commentary to reflect recent changes libspeexenc: Add an option for enabling DTX doc/APIchanges: fill in missing dates and hashes. lavr: bump major to 1 and declare it stable. lavr: change the type of the data buffers to uint8_t**. lavc: deprecate the audio resampling API. Conflicts: cmdutils.h configure doc/APIchanges ffplay.c libavcodec/dwt.h libavcodec/libspeexenc.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavformat/asf.h tests/fate/libavutil.mak tests/ref/fate/parseutils Merged-by: Michael Niedermayer <michaelni@gmx.at>
110 lines
5.8 KiB
C
110 lines
5.8 KiB
C
/*
|
|
* MPEG-4 Audio common header
|
|
* Copyright (c) 2008 Baptiste Coudurier <baptiste.coudurier@free.fr>
|
|
*
|
|
* 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_MPEG4AUDIO_H
|
|
#define AVCODEC_MPEG4AUDIO_H
|
|
|
|
#include <stdint.h>
|
|
#include "get_bits.h"
|
|
#include "put_bits.h"
|
|
|
|
typedef struct MPEG4AudioConfig {
|
|
int object_type;
|
|
int sampling_index;
|
|
int sample_rate;
|
|
int chan_config;
|
|
int sbr; ///< -1 implicit, 1 presence
|
|
int ext_object_type;
|
|
int ext_sampling_index;
|
|
int ext_sample_rate;
|
|
int ext_chan_config;
|
|
int channels;
|
|
int ps; ///< -1 implicit, 1 presence
|
|
} MPEG4AudioConfig;
|
|
|
|
extern const int avpriv_mpeg4audio_sample_rates[16];
|
|
extern const uint8_t ff_mpeg4audio_channels[8];
|
|
|
|
/**
|
|
* Parse MPEG-4 systems extradata to retrieve audio configuration.
|
|
* @param[in] c MPEG4AudioConfig structure to fill.
|
|
* @param[in] buf Extradata from container.
|
|
* @param[in] bit_size Extradata size in bits.
|
|
* @param[in] sync_extension look for a sync extension after config if true.
|
|
* @return On error -1 is returned, on success AudioSpecificConfig bit index in extradata.
|
|
*/
|
|
int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf,
|
|
int bit_size, int sync_extension);
|
|
|
|
enum AudioObjectType {
|
|
AOT_NULL,
|
|
// Support? Name
|
|
AOT_AAC_MAIN, ///< Y Main
|
|
AOT_AAC_LC, ///< Y Low Complexity
|
|
AOT_AAC_SSR, ///< N (code in SoC repo) Scalable Sample Rate
|
|
AOT_AAC_LTP, ///< Y Long Term Prediction
|
|
AOT_SBR, ///< Y Spectral Band Replication
|
|
AOT_AAC_SCALABLE, ///< N Scalable
|
|
AOT_TWINVQ, ///< N Twin Vector Quantizer
|
|
AOT_CELP, ///< N Code Excited Linear Prediction
|
|
AOT_HVXC, ///< N Harmonic Vector eXcitation Coding
|
|
AOT_TTSI = 12, ///< N Text-To-Speech Interface
|
|
AOT_MAINSYNTH, ///< N Main Synthesis
|
|
AOT_WAVESYNTH, ///< N Wavetable Synthesis
|
|
AOT_MIDI, ///< N General MIDI
|
|
AOT_SAFX, ///< N Algorithmic Synthesis and Audio Effects
|
|
AOT_ER_AAC_LC, ///< N Error Resilient Low Complexity
|
|
AOT_ER_AAC_LTP = 19, ///< N Error Resilient Long Term Prediction
|
|
AOT_ER_AAC_SCALABLE, ///< N Error Resilient Scalable
|
|
AOT_ER_TWINVQ, ///< N Error Resilient Twin Vector Quantizer
|
|
AOT_ER_BSAC, ///< N Error Resilient Bit-Sliced Arithmetic Coding
|
|
AOT_ER_AAC_LD, ///< N Error Resilient Low Delay
|
|
AOT_ER_CELP, ///< N Error Resilient Code Excited Linear Prediction
|
|
AOT_ER_HVXC, ///< N Error Resilient Harmonic Vector eXcitation Coding
|
|
AOT_ER_HILN, ///< N Error Resilient Harmonic and Individual Lines plus Noise
|
|
AOT_ER_PARAM, ///< N Error Resilient Parametric
|
|
AOT_SSC, ///< N SinuSoidal Coding
|
|
AOT_PS, ///< N Parametric Stereo
|
|
AOT_SURROUND, ///< N MPEG Surround
|
|
AOT_ESCAPE, ///< Y Escape Value
|
|
AOT_L1, ///< Y Layer 1
|
|
AOT_L2, ///< Y Layer 2
|
|
AOT_L3, ///< Y Layer 3
|
|
AOT_DST, ///< N Direct Stream Transfer
|
|
AOT_ALS, ///< Y Audio LosslesS
|
|
AOT_SLS, ///< N Scalable LosslesS
|
|
AOT_SLS_NON_CORE, ///< N Scalable LosslesS (non core)
|
|
AOT_ER_AAC_ELD, ///< N Error Resilient Enhanced Low Delay
|
|
AOT_SMR_SIMPLE, ///< N Symbolic Music Representation Simple
|
|
AOT_SMR_MAIN, ///< N Symbolic Music Representation Main
|
|
AOT_USAC_NOSBR, ///< N Unified Speech and Audio Coding (no SBR)
|
|
AOT_SAOC, ///< N Spatial Audio Object Coding
|
|
AOT_LD_SURROUND, ///< N Low Delay MPEG Surround
|
|
AOT_USAC, ///< N Unified Speech and Audio Coding
|
|
};
|
|
|
|
#define MAX_PCE_SIZE 304 ///<Maximum size of a PCE including the 3-bit ID_PCE
|
|
///<marker and the comment
|
|
|
|
int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb);
|
|
|
|
#endif /* AVCODEC_MPEG4AUDIO_H */
|