mtv_concealment.h
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2007
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* mtv_concealment.h
*
* Project:
* --------
* MAUI
*
* Description:
* ------------
*
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
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*------------------------------------------------------------------------------
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*============================================================================
****************************************************************************/
#ifndef _MTV_CONCEALMENT_H
#define _MTV_CONCEALMENT_H
#ifndef _MTV_COMM_H
#include "mtv_comm.h"
#endif
#ifndef _MTV_SRC_STAT_H
#include "mtv_src_stat.h"
#endif
#ifndef _MTV_CODEC_H
#include "mtv_codec.h"
#endif
#ifndef L1AUDIO_H
#include "l1audio.h"
#endif
#include "mtv_error.h"
#include "kal_general_types.h"
typedef void (*mtv_deliver_concealment_t)(void* param, mtv_packet_t* au);
/**
* Deliver audio concealment according source statistics and decoder configuration.
*
* @param src_stat [IN] source statistics
* @param dec_config [IN] decoder configuration
* @param deliver_concealment [IN] callback function to receive concealment
* @param param [IN] opaque parameter for callback
*/
extern mtv_result_t mtv_deliver_audio_concealment(
mtv_source_stat_t* src_stat,
mtv_dec_config_t* dec_config,
mtv_deliver_concealment_t deliver_concealment,
void* param);
/**
* Helper to fill ADTS header.
*
* @param h [IN] pointer to header. the buffer size should be at least LEN_ADTS_HEADER.
*/
extern void mtv_fill_adts_header(kal_uint8* h, kal_uint32 sampling_frequency_index, kal_uint32 channel_configuration, kal_uint32 payload_length);
extern mtv_result_t mtv_get_audio_media_format(mtv_codec_type_t mtv_codec_type, Media_Format *audio_media_format);
extern mtv_result_t mtv_audio_add_silence(mtv_dec_config_t* dec_config,
kal_uint32 start_ts, kal_uint32 au_count, kal_uint32 au_duration,
mtv_deliver_concealment_t deliver_concealment, void* param);
/* memory stream helper */
typedef struct
{
kal_uint8* buffer;
kal_uint32 buffer_len;
kal_uint32 len;
} mtv_memory_stream_t;
extern void mtv_memory_stream_init(mtv_memory_stream_t* stm);
extern void mtv_memory_stream_uninit(mtv_memory_stream_t* stm);
extern void mtv_memory_stream_write_byte(mtv_memory_stream_t* stm, kal_uint32 value);
extern void mtv_memory_stream_write(mtv_memory_stream_t* stm, void* buf, kal_uint32 size);
extern void mtv_memory_stream_write_be16(mtv_memory_stream_t* stm, kal_uint32 value);
extern void mtv_put_bits(kal_uint8* in, kal_uint32* bitcnt, kal_uint32 data, kal_uint32 data_length);
#endif /* _MTV_CONCEALMENT_H */