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118 lines
4.8 KiB
C++
118 lines
4.8 KiB
C++
/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2013-2020 Winlin
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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_PROTOCOL_RAW_AVC_HPP
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#define SRS_PROTOCOL_RAW_AVC_HPP
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#include <srs_core.hpp>
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#include <string>
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#include <srs_kernel_codec.hpp>
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class SrsBuffer;
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// The raw h.264 stream, in annexb.
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class SrsRawH264Stream
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{
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public:
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SrsRawH264Stream();
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virtual ~SrsRawH264Stream();
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public:
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// Demux the stream in annexb format.
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// @param stream the input stream bytes.
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// @param pframe the output h.264 frame in stream. user should never free it.
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// @param pnb_frame the output h.264 frame size.
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virtual srs_error_t annexb_demux(SrsBuffer* stream, char** pframe, int* pnb_frame);
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// whether the frame is sps or pps.
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virtual bool is_sps(char* frame, int nb_frame);
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virtual bool is_pps(char* frame, int nb_frame);
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// Demux the sps or pps to string.
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// @param sps/pps output the sps/pps.
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virtual srs_error_t sps_demux(char* frame, int nb_frame, std::string& sps);
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virtual srs_error_t pps_demux(char* frame, int nb_frame, std::string& pps);
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public:
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// The h264 raw data to h264 packet, without flv payload header.
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// Mux the sps/pps to flv sequence header packet.
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// @param sh output the sequence header.
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virtual srs_error_t mux_sequence_header(std::string sps, std::string pps, uint32_t dts, uint32_t pts, std::string& sh);
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// The h264 raw data to h264 packet, without flv payload header.
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// Mux the ibp to flv ibp packet.
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// @param ibp output the packet.
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// @param frame_type output the frame type.
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virtual srs_error_t mux_ipb_frame(char* frame, int nb_frame, std::string& ibp);
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// Mux the avc video packet to flv video packet.
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// @param frame_type, SrsVideoAvcFrameTypeKeyFrame or SrsVideoAvcFrameTypeInterFrame.
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// @param avc_packet_type, SrsVideoAvcFrameTraitSequenceHeader or SrsVideoAvcFrameTraitNALU.
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// @param video the h.264 raw data.
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// @param flv output the muxed flv packet.
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// @param nb_flv output the muxed flv size.
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virtual srs_error_t mux_avc2flv(std::string video, int8_t frame_type, int8_t avc_packet_type, uint32_t dts, uint32_t pts, char** flv, int* nb_flv);
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};
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// The header of adts sample.
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struct SrsRawAacStreamCodec
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{
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// Codec level informations.
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int8_t protection_absent;
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SrsAacObjectType aac_object;
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int8_t sampling_frequency_index;
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int8_t channel_configuration;
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int16_t frame_length;
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// Format level, RTMP as such, informations.
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char sound_format;
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char sound_rate;
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char sound_size;
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char sound_type;
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// 0 for sh; 1 for raw data.
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int8_t aac_packet_type;
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};
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// The raw aac stream, in adts.
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class SrsRawAacStream
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{
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public:
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SrsRawAacStream();
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virtual ~SrsRawAacStream();
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public:
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// Demux the stream in adts format.
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// @param stream the input stream bytes.
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// @param pframe the output aac frame in stream. user should never free it.
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// @param pnb_frame the output aac frame size.
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// @param codec the output codec info.
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virtual srs_error_t adts_demux(SrsBuffer* stream, char** pframe, int* pnb_frame, SrsRawAacStreamCodec& codec);
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// Mux aac raw data to aac packet, without flv payload header.
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// Mux the aac specific config to flv sequence header packet.
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// @param sh output the sequence header.
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virtual srs_error_t mux_sequence_header(SrsRawAacStreamCodec* codec, std::string& sh);
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// Mux the aac audio packet to flv audio packet.
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// @param frame the aac raw data.
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// @param nb_frame the count of aac frame.
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// @param codec the codec info of aac.
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// @param flv output the muxed flv packet.
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// @param nb_flv output the muxed flv size.
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virtual srs_error_t mux_aac2flv(char* frame, int nb_frame, SrsRawAacStreamCodec* codec, uint32_t dts, char** flv, int* nb_flv);
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};
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#endif
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