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修复AAC rtp解码相关的bug

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This commit is contained in:
xiongziliang
2019-01-24 12:21:29 +08:00
parent 22962a407e
commit a646640580
6 changed files with 40 additions and 20 deletions
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15
src/Extension/AAC.h
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@@ -82,7 +82,7 @@ public:
return false;
}
public:
unsigned int syncword; //12 bslbf 同步字The bit string ‘1111 1111 1111’，说明一个ADTS帧的开始
unsigned int syncword = 0; //12 bslbf 同步字The bit string ‘1111 1111 1111’，说明一个ADTS帧的开始
unsigned int id; //1 bslbf MPEG 标示符, 设置为1
unsigned int layer; //2 uimsbf Indicates which layer is used. Set to ‘00’
unsigned int protection_absent; //1 bslbf 表示是否误码校验
@@ -234,10 +234,15 @@ public:
* @param frame 数据帧
*/
void inputFrame(const Frame::Ptr &frame) override{
if(_cfg.empty() && frame->prefixSize() >= 7){
//7个字节的adts头
_cfg = makeAdtsConfig(reinterpret_cast<const uint8_t *>(frame->data()));
onReady();
if(_cfg.empty()){
//未获取到aac_cfg信息
if(frame->prefixSize() >= 7) {
//7个字节的adts头
_cfg = makeAdtsConfig(reinterpret_cast<const uint8_t *>(frame->data()));
onReady();
}else{
WarnL << "无法获取adts头!";
}
}
AudioTrack::inputFrame(frame);
}