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/*
* audio_parser.h, helper parser for audio codec data
*
* Copyright (c) 2009-2010 Wind River Systems, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __WRS_OMXIL_AUDIO_PARSER
#define ___WRS_OMXIL_AUDIO_PARSER
#ifdef __cplusplus
extern "C" {
#endif
/*
* MP3
*/
#define MP3_HEADER_VERSION_25 0x0
#define MP3_HEADER_VERSION_2 0x2
#define MP3_HEADER_VERSION_1 0x3
#define MP3_HEADER_LAYER_3 0x1
#define MP3_HEADER_LAYER_2 0x2
#define MP3_HEADER_LAYER_1 0x3
#define MP3_HEADER_CRC_PROTECTED 0x0
#define MP3_HEADER_NOT_PROTECTED 0x1
#define MP3_HEADER_STEREO 0x0
#define MP3_HEADER_JOINT_STEREO 0x1
#define MP3_HEADER_DUAL_CHANNEL 0x2
#define MP3_HEADER_SINGLE_CHANNEL 0x3
int mp3_header_parse(const unsigned char *buffer,
int *version, int *layer, int *crc, int *bitrate,
int *frequency, int *channel, int *mode_extension,
int *frame_length, int *frame_duration);
/* end of MP3 */
/*
* MP4
*/
int audio_specific_config_parse(const unsigned char *buffer,
int *aot, int *frequency, int *channel);
int audio_specific_config_bitcoding(unsigned char *buffer,
int aot, int frequency, int channel);
/* end of MP4 */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* ___WRS_OMXIL_AUDIO_PARSER */
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