mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-30 07:26:53 +08:00
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#include "CommonRtmp.h"
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namespace mediakit{
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CommonRtmpDecoder::CommonRtmpDecoder(CodecId codec) {
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_codec = codec;
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obtainFrame();
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}
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CodecId CommonRtmpDecoder::getCodecId() const {
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return _codec;
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}
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void CommonRtmpDecoder::obtainFrame() {
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//从缓存池重新申请对象，防止覆盖已经写入环形缓存的对象
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_frame = ResourcePoolHelper<FrameImp>::obtainObj();
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_frame->_buffer.clear();
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_frame->_codec_id = _codec;
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_frame->_prefix_size = 0;
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}
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void CommonRtmpDecoder::inputRtmp(const RtmpPacket::Ptr &rtmp) {
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//拷贝负载
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_frame->_buffer.assign(rtmp->buffer.data() + 1, rtmp->buffer.size() - 1);
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_frame->_dts = rtmp->time_stamp;
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//写入环形缓存
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RtmpCodec::inputFrame(_frame);
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//创建下一帧
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obtainFrame();
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}
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/////////////////////////////////////////////////////////////////////////////////////
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CommonRtmpEncoder::CommonRtmpEncoder(const Track::Ptr &track) : CommonRtmpDecoder(track->getCodecId()) {
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_audio_flv_flags = getAudioRtmpFlags(track);
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}
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void CommonRtmpEncoder::inputFrame(const Frame::Ptr &frame) {
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if (!_audio_flv_flags) {
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return;
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}
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auto rtmp = RtmpPacket::create();
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//header
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rtmp->buffer.push_back(_audio_flv_flags);
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//data
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rtmp->buffer.append(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize());
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rtmp->body_size = rtmp->buffer.size();
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rtmp->chunk_id = CHUNK_AUDIO;
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rtmp->stream_index = STREAM_MEDIA;
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rtmp->time_stamp = frame->dts();
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rtmp->type_id = MSG_AUDIO;
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RtmpCodec::inputRtmp(rtmp);
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}
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}//namespace mediakit
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