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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.
*/
/**
*************************************************************************
* @file M4MCS_API.h
* @brief MCS internal constant values settings
* @note This header file is not public
*************************************************************************
**/
#ifndef __M4MCS_INTERNALCONFIG_H__
#define __M4MCS_INTERNALCONFIG_H__
/**
* Definition of max AU size */
#define M4MCS_AUDIO_MAX_CHUNK_SIZE 7168 /**< add mp3 encoder and writer,
max bitrate is now 320kbps instead of 128kbps
so this value has to be increased accordingly
= ((sizeof(M4OSA_UInt8)*max_channel_number)+3
to take a margin(after tests, 2 was not enough
))*MAX_PCM_GRANULARITY_SAMPLES*/
/**< Before: 4000*//**< Magical */
/**
* Video max AU and fragment size */
#define M4MCS_VIDEO_MIN_COMPRESSION_RATIO 0.8 /**< Magical. Used to define the max AU size */
#define M4MCS_VIDEO_CHUNK_AU_SIZE_RATIO 1.2 /**< Magical. Used to define the max chunk size */
/**
* Various Magicals */
#define M4MCS_WRITER_AUDIO_STREAM_ID 1
#define M4MCS_WRITER_VIDEO_STREAM_ID 2
/**
* Granularity for audio encoder */
/**< minimum number of samples to pass in AMR encoding case */
#define M4MCS_PCM_AMR_GRANULARITY_SAMPLES 160
/**< minimum number of samples to pass in AAC encoding case */
#define M4MCS_PCM_AAC_GRANULARITY_SAMPLES 1024
/**< minimum number of samples to pass in MP3 encoding case */
#define M4MCS_PCM_MP3_GRANULARITY_SAMPLES 576
#define M4MCS_AUDIO_MAX_AU_SIZE 1024 /**< add mp3 encoder and writer
This value is not used anymore, now the max AU
size is computed dynamically according to the
number of channels,the max PCM granularity sample
and a margin.*/
/**< Before: 1024*//**< Magical */
/**
* Writer file and moov size estimation */
#define M4MCS_MOOV_OVER_FILESIZE_RATIO 1.04 /**< magical moov size is less than 4%
of file size in average */
/**
* If 3gp file does not contain an STSS table (no rap frames),
jump backward to a specified limit */
#define M4MCS_NO_STSS_JUMP_POINT 40000 /**< 40 s */
#endif /* __M4MCS_INTERNALCONFIG_H__ */
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