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More fixes to FLV memory bookkeeping.

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This commit is contained in:
Thulinma 2013-12-05 12:39:53 +01:00
parent debce93475
commit a9df633e87
1 changed files with 36 additions and 44 deletions
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16
lib/flv_tag.cpp
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@ -513,8 +513,7 @@ bool FLV::Tag::DTSCVideoInit(DTSC::Track & video){
if (video.codec == "H264"){
len = video.init.size() + 20;
}
if (len > 0){
if ( !checkBufferSize()){
if (len <= 0 || !checkBufferSize()){
return false;
}
memcpy(data + 16, video.init.c_str(), len - 20);
@ -523,7 +522,6 @@ bool FLV::Tag::DTSCVideoInit(DTSC::Track & video){
data[14] = 0;
data[15] = 0;
data[11] = 0x17; //H264 keyframe (0x07 & 0x10)
}
setLen();
data[0] = 0x09;
data[1] = ((len - 15) >> 16) & 0xFF;
@ -546,8 +544,7 @@ bool FLV::Tag::DTSCAudioInit(DTSC::Track & audio){
if (audio.codec == "AAC"){
len = audio.init.size() + 17;
}
if (len > 0){
if ( !checkBufferSize()){
if (len <= 0 || !checkBufferSize()){
return false;
}
memcpy(data + 13, audio.init.c_str(), len - 17);
@ -572,8 +569,6 @@ bool FLV::Tag::DTSCAudioInit(DTSC::Track & audio){
}
if (audio.channels > 1){
data[11] += 0x01;
}
}
setLen();
data[0] = 0x08;
@ -689,13 +684,10 @@ bool FLV::Tag::DTSCMetaInit(DTSC::Stream & S, DTSC::Track & videoRef, DTSC::Trac
std::string tmp = amfdata.Pack();
len = tmp.length() + 15;
if (len > 0){
if (checkBufferSize()){
memcpy(data + 11, tmp.c_str(), len - 15);
}else{
if (len <= 0 || checkBufferSize()){
return false;
}
}
memcpy(data + 11, tmp.c_str(), len - 15);
setLen();
data[0] = 0x12;
data[1] = ((len - 15) >> 16) & 0xFF;