mp4cmn_config.h

audio-video-codecs.rar语音编解码器

/*//////////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2003-2007 Intel Corporation. All Rights Reserved.
//
*/

#ifndef __MP4CMN_CONFIG_H__
#define __MP4CMN_CONFIG_H__

#include "mp4cmn_pce.h"

typedef struct
{
    Ipp32s frameLengthFlag;
    Ipp32s dependsOnCoreCoder;
    Ipp32s coreCoderDelay;

    Ipp32s extensionFlag;

    sProgram_config_element pce;

} sGA_specific_config;

typedef struct
{
    /// AudioSpecificConfig;
    Ipp32s sbrPresentFlag;
    Ipp32s psPresentFlag;
    Ipp32s audioObjectType;
    Ipp32s samplingFrequencyIndex;
    Ipp32s samplingFrequency;
    Ipp32s channelConfiguration;
    Ipp32s extensionAudioObjectType;
    Ipp32s extensionSamplingFrequencyIndex;
    Ipp32s extensionSamplingFrequency;

    sGA_specific_config GASpecificConfig;

} sAudio_specific_config;

#ifdef  __cplusplus
extern "C" {
#endif

Ipp32s get_channels_number(sAudio_specific_config * p_data);
Ipp32s get_sampling_frequency(sAudio_specific_config * p_data, Ipp32s bHEAAC);
Ipp32s get_sampling_frequency_index(sAudio_specific_config * p_data);

Ipp32s dec_audio_specific_config(sAudio_specific_config * p_data,sBitsreamBuffer * p_bs);
Ipp32s dec_ga_specific_config(sGA_specific_config * p_data,sBitsreamBuffer * p_bs,
                              Ipp32s samplingFrequencyIndex, Ipp32s channelConfiguration, Ipp32s audioObjectType);
Ipp32s enc_audio_specific_config(sAudio_specific_config * p_data,sBitsreamBuffer * p_bs);
Ipp32s enc_ga_specific_config(sGA_specific_config * p_data,sBitsreamBuffer * p_bs,
                              Ipp32s channelConfiguration);

/***********************************************************************

    Unpack function(s) (support(s) alternative bitstream representation)

***********************************************************************/

Ipp32s unpack_audio_specific_config(sAudio_specific_config * p_data,Ipp8u **pp_bitstream, Ipp32s *p_offset);
Ipp32s unpack_ga_specific_config(sGA_specific_config * p_data,Ipp8u **pp_bitstream, Ipp32s *p_offset,
                                 Ipp32s samplingFrequencyIndex, Ipp32s channelConfiguration, Ipp32s audioObjectType);

#ifdef  __cplusplus
}
#endif

#endif//__MP4CMN_CONFIG_H__