mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2025-02-17 13:29:56 +08:00
145 lines
4.8 KiB
C++
145 lines
4.8 KiB
C++
/*
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* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
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*
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* Use of this source code is governed by MIT-like 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 "G711.h"
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#include "G711Rtp.h"
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#include "Extension/Factory.h"
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#include "Extension/CommonRtp.h"
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#include "Extension/CommonRtmp.h"
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using namespace std;
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using namespace toolkit;
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namespace mediakit {
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Track::Ptr G711Track::clone() const {
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return std::make_shared<G711Track>(*this);
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}
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Sdp::Ptr G711Track::getSdp(uint8_t payload_type) const {
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return std::make_shared<DefaultSdp>(payload_type, *this);
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}
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namespace {
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CodecId getCodecA() {
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return CodecG711A;
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}
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CodecId getCodecU() {
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return CodecG711U;
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}
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Track::Ptr getTrackByCodecId_l(CodecId codec, int sample_rate, int channels, int sample_bit) {
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return (sample_rate && channels && sample_bit) ? std::make_shared<G711Track>(codec, sample_rate, channels, sample_bit) : nullptr;
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}
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Track::Ptr getTrackByCodecIdA(int sample_rate, int channels, int sample_bit) {
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return getTrackByCodecId_l(CodecG711A, sample_rate, channels, sample_bit);
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}
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Track::Ptr getTrackByCodecIdU(int sample_rate, int channels, int sample_bit) {
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return getTrackByCodecId_l(CodecG711U, sample_rate, channels, sample_bit);
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}
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Track::Ptr getTrackBySdp_l(CodecId codec, const SdpTrack::Ptr &track) {
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return std::make_shared<G711Track>(codec, track->_samplerate, track->_channel, 16);
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}
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Track::Ptr getTrackBySdpA(const SdpTrack::Ptr &track) {
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return getTrackBySdp_l(CodecG711A, track);
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}
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Track::Ptr getTrackBySdpU(const SdpTrack::Ptr &track) {
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return getTrackBySdp_l(CodecG711U, track);
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}
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RtpCodec::Ptr getRtpEncoderByCodecId_l(CodecId codec, uint8_t pt) {
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if (pt == Rtsp::PT_PCMA || pt == Rtsp::PT_PCMU) {
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return std::make_shared<G711RtpEncoder>(8000, 1);
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}
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return std::make_shared<CommonRtpEncoder>();
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}
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RtpCodec::Ptr getRtpEncoderByCodecIdA(uint8_t pt) {
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return getRtpEncoderByCodecId_l(CodecG711A, pt);
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}
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RtpCodec::Ptr getRtpEncoderByCodecIdU(uint8_t pt) {
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return getRtpEncoderByCodecId_l(CodecG711U, pt);
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}
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RtpCodec::Ptr getRtpDecoderByCodecId_l(CodecId codec) {
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return std::make_shared<CommonRtpDecoder>(codec);
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}
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RtpCodec::Ptr getRtpDecoderByCodecIdA() {
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return getRtpDecoderByCodecId_l(CodecG711A);
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}
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RtpCodec::Ptr getRtpDecoderByCodecIdU() {
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return getRtpDecoderByCodecId_l(CodecG711U);
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}
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RtmpCodec::Ptr getRtmpEncoderByTrack(const Track::Ptr &track) {
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auto audio_track = dynamic_pointer_cast<AudioTrack>(track);
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if (audio_track->getAudioSampleRate() != 8000 || audio_track->getAudioChannel() != 1 || audio_track->getAudioSampleBit() != 16) {
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// rtmp对g711只支持8000/1/16规格，但是ZLMediaKit可以解析其他规格的G711 [AUTO-TRANSLATED:0ddeaafe]
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// rtmp only supports 8000/1/16 specifications for g711, but ZLMediaKit can parse other specifications of G711
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WarnL << "RTMP only support G711 with 8000/1/16, now is"
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<< audio_track->getAudioSampleRate() << "/"
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<< audio_track->getAudioChannel() << "/"
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<< audio_track->getAudioSampleBit()
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<< ", ignored it";
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return nullptr;
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}
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return std::make_shared<CommonRtmpEncoder>(track);
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}
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RtmpCodec::Ptr getRtmpDecoderByTrack(const Track::Ptr &track) {
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return std::make_shared<CommonRtmpDecoder>(track);
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}
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Frame::Ptr getFrameFromPtr_l(CodecId codec, const char *data, size_t bytes, uint64_t dts, uint64_t pts) {
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return std::make_shared<FrameFromPtr>(codec, (char *)data, bytes, dts, pts);
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}
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Frame::Ptr getFrameFromPtrA(const char *data, size_t bytes, uint64_t dts, uint64_t pts) {
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return getFrameFromPtr_l(CodecG711A, (char *)data, bytes, dts, pts);
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}
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Frame::Ptr getFrameFromPtrU(const char *data, size_t bytes, uint64_t dts, uint64_t pts) {
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return getFrameFromPtr_l(CodecG711U, (char *)data, bytes, dts, pts);
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}
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} // namespace
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CodecPlugin g711a_plugin = { getCodecA,
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getTrackByCodecIdA,
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getTrackBySdpA,
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getRtpEncoderByCodecIdA,
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getRtpDecoderByCodecIdA,
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getRtmpEncoderByTrack,
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getRtmpDecoderByTrack,
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getFrameFromPtrA };
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CodecPlugin g711u_plugin = { getCodecU,
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getTrackByCodecIdU,
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getTrackBySdpU,
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getRtpEncoderByCodecIdU,
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getRtpDecoderByCodecIdU,
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getRtmpEncoderByTrack,
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getRtmpDecoderByTrack,
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getFrameFromPtrU };
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}//namespace mediakit
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