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G711支持多种规格

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This commit is contained in:
xiongziliang
2020-04-18 22:13:11 +08:00
parent 5c3418a412
commit bacf8f100b
17 changed files with 203 additions and 197 deletions
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34
src/Extension/AACRtmp.cpp
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@@ -104,7 +104,7 @@ void AACRtmpEncoder::inputFrame(const Frame::Ptr &frame) {
//header
uint8_t is_config = false;
rtmpPkt->strBuf.push_back(_ui8AudioFlags);
rtmpPkt->strBuf.push_back(_audio_flv_flags);
rtmpPkt->strBuf.push_back(!is_config);
//aac data
@@ -117,44 +117,16 @@ void AACRtmpEncoder::inputFrame(const Frame::Ptr &frame) {
rtmpPkt->typeId = MSG_AUDIO;
RtmpCodec::inputRtmp(rtmpPkt, false);
}
}
void AACRtmpEncoder::makeAudioConfigPkt() {
makeAdtsHeader(_aac_cfg,*_adts);
int iSampleRate , iChannel , iSampleBit = 16;
getAACInfo(*_adts,iSampleRate,iChannel);
uint8_t flvStereoOrMono = (iChannel > 1);
uint8_t flvSampleRate;
switch (iSampleRate) {
case 48000:
case 44100:
flvSampleRate = 3;
break;
case 24000:
case 22050:
flvSampleRate = 2;
break;
case 12000:
case 11025:
flvSampleRate = 1;
break;
default:
flvSampleRate = 0;
break;
}
uint8_t flvSampleBit = iSampleBit == 16;
uint8_t flvAudioType = FLV_CODEC_AAC;
_ui8AudioFlags = (flvAudioType << 4) | (flvSampleRate << 2) | (flvSampleBit << 1) | flvStereoOrMono;
_audio_flv_flags = getAudioRtmpFlags(std::make_shared<AACTrack>(_aac_cfg));
RtmpPacket::Ptr rtmpPkt = ResourcePoolHelper<RtmpPacket>::obtainObj();
rtmpPkt->strBuf.clear();
//header
uint8_t is_config = true;
rtmpPkt->strBuf.push_back(_ui8AudioFlags);
rtmpPkt->strBuf.push_back(_audio_flv_flags);
rtmpPkt->strBuf.push_back(!is_config);
//aac config
rtmpPkt->strBuf.append(_aac_cfg);