95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
|
|
The MIT License (MIT)
|
|
|
|
Copyright (c) 2013-2015 winlin
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
this software and associated documentation files (the "Software"), to deal in
|
|
the Software without restriction, including without limitation the rights to
|
|
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
the Software, and to permit persons to whom the Software is furnished to do so,
|
|
subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
|
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef SRS_KERNEL_AAC_HPP
|
|
#define SRS_KERNEL_AAC_HPP
|
|
|
|
/*
|
|
#include <srs_kernel_aac.hpp>
|
|
*/
|
|
#include <srs_core.hpp>
|
|
|
|
#include <string>
|
|
|
|
class SrsStream;
|
|
class SrsFileWriter;
|
|
class SrsFileReader;
|
|
|
|
/**
|
|
* encode data to flv file.
|
|
*/
|
|
class SrsAacEncoder
|
|
{
|
|
private:
|
|
SrsFileWriter* _fs;
|
|
private:
|
|
SrsStream* tag_stream;
|
|
public:
|
|
SrsAacEncoder();
|
|
virtual ~SrsAacEncoder();
|
|
public:
|
|
/**
|
|
* initialize the underlayer file stream.
|
|
* @remark user can initialize multiple times to encode multiple flv files.
|
|
* @remark, user must free the fs, flv encoder never close/free it.
|
|
*/
|
|
virtual int initialize(SrsFileWriter* fs);
|
|
public:
|
|
/**
|
|
* write flv header.
|
|
* write following:
|
|
* 1. E.2 The FLV header
|
|
* 2. PreviousTagSize0 UI32 Always 0
|
|
* that is, 9+4=13bytes.
|
|
*/
|
|
virtual int write_header();
|
|
virtual int write_header(char flv_header[9]);
|
|
/**
|
|
* write flv metadata.
|
|
* @param type, the type of data, or other message type.
|
|
* @param data, the amf0 metadata which serialize from:
|
|
* AMF0 string: onMetaData,
|
|
* AMF0 object: the metadata object.
|
|
* @remark assert data is not NULL.
|
|
*/
|
|
virtual int write_metadata(char type, char* data, int size);
|
|
/**
|
|
* write audio/video packet.
|
|
* @remark assert data is not NULL.
|
|
*/
|
|
virtual int write_audio(int64_t timestamp, char* data, int size);
|
|
virtual int write_video(int64_t timestamp, char* data, int size);
|
|
public:
|
|
/**
|
|
* get the tag size,
|
|
* including the tag header, body, and 4bytes previous tag size.
|
|
* @remark assert data_size is not negative.
|
|
*/
|
|
static int size_tag(int data_size);
|
|
private:
|
|
virtual int write_tag(char* header, int header_size, char* tag, int tag_size);
|
|
};
|
|
|
|
#endif
|
|
|