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For #299, refine code.
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winlin
parent
62b7204514
commit
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175 changed files with 15529 additions and 15935 deletions
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@ -1,32 +1,29 @@
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/*
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The MIT License (MIT)
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Copyright (c) 2013-2017 SRS(ossrs)
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2013-2017 SRS(ossrs)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SRS_KERNEL_FLV_HPP
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#define SRS_KERNEL_FLV_HPP
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/*
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#include <srs_kernel_flv.hpp>
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*/
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#include <srs_core.hpp>
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#include <string>
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@ -452,43 +449,43 @@ public:
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virtual ~SrsFlvTransmuxer();
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public:
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/**
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* initialize the underlayer file stream.
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* @remark user can initialize multiple times to encode multiple flv files.
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* @remark, user must free the @param fw, flv encoder never close/free it.
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*/
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* initialize the underlayer file stream.
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* @remark user can initialize multiple times to encode multiple flv files.
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* @remark, user must free the @param fw, flv encoder never close/free it.
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*/
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virtual int initialize(ISrsWriter* fw);
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public:
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/**
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* write flv header.
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* write following:
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* 1. E.2 The FLV header
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* 2. PreviousTagSize0 UI32 Always 0
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* that is, 9+4=13bytes.
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*/
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* write flv header.
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* write following:
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* 1. E.2 The FLV header
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* 2. PreviousTagSize0 UI32 Always 0
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* that is, 9+4=13bytes.
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*/
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virtual int write_header();
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virtual int write_header(char flv_header[9]);
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/**
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* write flv metadata.
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* @param type, the type of data, or other message type.
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* @see SrsFrameType
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* @param data, the amf0 metadata which serialize from:
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* AMF0 string: onMetaData,
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* AMF0 object: the metadata object.
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* @remark assert data is not NULL.
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*/
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* write flv metadata.
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* @param type, the type of data, or other message type.
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* @see SrsFrameType
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* @param data, the amf0 metadata which serialize from:
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* AMF0 string: onMetaData,
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* AMF0 object: the metadata object.
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* @remark assert data is not NULL.
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*/
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virtual int write_metadata(char type, char* data, int size);
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/**
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* write audio/video packet.
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* @remark assert data is not NULL.
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*/
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* write audio/video packet.
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* @remark assert data is not NULL.
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*/
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virtual int write_audio(int64_t timestamp, char* data, int size);
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virtual int write_video(int64_t timestamp, char* data, int size);
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public:
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/**
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* get the tag size,
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* including the tag header, body, and 4bytes previous tag size.
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* @remark assert data_size is not negative.
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*/
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* get the tag size,
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* including the tag header, body, and 4bytes previous tag size.
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* @remark assert data_size is not negative.
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*/
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static int size_tag(int data_size);
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#ifdef SRS_PERF_FAST_FLV_ENCODER
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private:
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@ -516,8 +513,8 @@ private:
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};
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/**
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* decode flv file.
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*/
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* decode flv file.
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*/
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class SrsFlvDecoder
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{
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private:
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@ -529,39 +526,39 @@ public:
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virtual ~SrsFlvDecoder();
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public:
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/**
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* initialize the underlayer file stream
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* @remark user can initialize multiple times to decode multiple flv files.
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* @remark user must free the @param fr, flv decoder never close/free it
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*/
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* initialize the underlayer file stream
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* @remark user can initialize multiple times to decode multiple flv files.
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* @remark user must free the @param fr, flv decoder never close/free it
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*/
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virtual int initialize(ISrsReader* fr);
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public:
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/**
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* read the flv header, donot including the 4bytes previous tag size.
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* @remark assert header not NULL.
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*/
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* read the flv header, donot including the 4bytes previous tag size.
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* @remark assert header not NULL.
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*/
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virtual int read_header(char header[9]);
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/**
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* read the tag header infos.
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* @remark assert ptype/pdata_size/ptime not NULL.
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*/
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* read the tag header infos.
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* @remark assert ptype/pdata_size/ptime not NULL.
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*/
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virtual int read_tag_header(char* ptype, int32_t* pdata_size, uint32_t* ptime);
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/**
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* read the tag data.
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* @remark assert data not NULL.
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*/
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* read the tag data.
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* @remark assert data not NULL.
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*/
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virtual int read_tag_data(char* data, int32_t size);
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/**
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* read the 4bytes previous tag size.
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* @remark assert previous_tag_size not NULL.
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*/
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* read the 4bytes previous tag size.
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* @remark assert previous_tag_size not NULL.
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*/
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virtual int read_previous_tag_size(char previous_tag_size[4]);
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};
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/**
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* decode flv fast by only decoding the header and tag.
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* used for vod flv stream to read the header and sequence header,
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* then seek to specified offset.
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*/
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* decode flv fast by only decoding the header and tag.
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* used for vod flv stream to read the header and sequence header,
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* then seek to specified offset.
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*/
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class SrsFlvVodStreamDecoder
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{
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private:
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virtual ~SrsFlvVodStreamDecoder();
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public:
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/**
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* initialize the underlayer file stream
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* @remark user can initialize multiple times to decode multiple flv files.
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* @remark user must free the @param fr, flv decoder never close/free it.
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*/
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* initialize the underlayer file stream
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* @remark user can initialize multiple times to decode multiple flv files.
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* @remark user must free the @param fr, flv decoder never close/free it.
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*/
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virtual int initialize(ISrsReader* fr);
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public:
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/**
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* read the flv header and its size.
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* @param header, fill it 13bytes(9bytes header, 4bytes previous tag size).
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* @remark assert header not NULL.
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*/
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* read the flv header and its size.
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* @param header, fill it 13bytes(9bytes header, 4bytes previous tag size).
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* @remark assert header not NULL.
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*/
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virtual int read_header_ext(char header[13]);
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/**
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* read the sequence header tags offset and its size.
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* @param pstart, the start offset of sequence header.
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* @param psize, output the size, (tag header)+(tag body)+(4bytes previous tag size).
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* @remark we think the first audio/video is sequence header.
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* @remark assert pstart/psize not NULL.
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*/
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* read the sequence header tags offset and its size.
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* @param pstart, the start offset of sequence header.
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* @param psize, output the size, (tag header)+(tag body)+(4bytes previous tag size).
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* @remark we think the first audio/video is sequence header.
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* @remark assert pstart/psize not NULL.
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*/
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virtual int read_sequence_header_summary(int64_t* pstart, int* psize);
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public:
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/**
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* for start offset, seed to this position and response flv stream.
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*/
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* for start offset, seed to this position and response flv stream.
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*/
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virtual int seek2(int64_t offset);
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};
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