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aac config不再限制两个字节：#336

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This commit is contained in:
xiongziliang 2020-06-11 17:19:10 +08:00
parent 6b7e4f5f52
commit 0e47dc94f9
3 changed files with 15 additions and 15 deletions
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10
src/Extension/AAC.h
View File

@ -77,7 +77,7 @@ public:
if(aac_cfg.size() < 2){
throw std::invalid_argument("adts配置必须最少2个字节");
}
_cfg = aac_cfg.substr(0,2);
_cfg = aac_cfg;
onReady();
}
@ -185,8 +185,12 @@ public:
_printer << "b=AS:" << bitrate << "\r\n";
_printer << "a=rtpmap:" << payload_type << " MPEG4-GENERIC/" << sample_rate << "/" << channels << "\r\n";
char configStr[32] = {0};
snprintf(configStr, sizeof(configStr), "%02X%02X", (uint8_t)aac_cfg[0], (uint8_t)aac_cfg[1]);
string configStr;
char buf[4] = {0};
for(auto &ch : aac_cfg){
snprintf(buf, sizeof(buf), "%02X", (uint8_t)ch);
configStr.append(buf);
}
_printer << "a=fmtp:" << payload_type << " streamtype=5;profile-level-id=1;mode=AAC-hbr;"
<< "sizelength=13;indexlength=3;indexdeltalength=3;config=" << configStr << "\r\n";
_printer << "a=control:trackID=" << (int)TrackAudio << "\r\n";

17
src/Extension/Factory.cpp
View File

@ -33,17 +33,12 @@ Track::Ptr Factory::getTrackBySdp(const SdpTrack::Ptr &track) {
return nullptr;
}
string aac_cfg;
unsigned int cfg1;
sscanf(aac_cfg_str.substr(0, 2).data(), "%02X", &cfg1);
cfg1 &= 0x00FF;
aac_cfg.push_back(cfg1);
unsigned int cfg2;
sscanf(aac_cfg_str.substr(2, 2).data(), "%02X", &cfg2);
cfg2 &= 0x00FF;
aac_cfg.push_back(cfg2);
for(int i = 0 ; i < aac_cfg_str.size() / 2 ; ++i ){
unsigned int cfg;
sscanf(aac_cfg_str.substr(i * 2, 2).data(), "%02X", &cfg);
cfg &= 0x00FF;
aac_cfg.push_back((char)cfg);
}
return std::make_shared<AACTrack>(aac_cfg);
}

3
src/Record/MP4Muxer.cpp
View File

@ -202,7 +202,8 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
audio_track->getAudioChannel(),
audio_track->getAudioSampleBit() * audio_track->getAudioChannel(),
audio_track->getAudioSampleRate(),
audio_track->getAacCfg().data(), 2);
audio_track->getAacCfg().data(),
audio_track->getAacCfg().size());
if(track_id < 0){
WarnL << "添加AAC Track失败:" << track_id;
return;