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Fixed an error of thought with regards to maximum size of a part.

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This commit is contained in:
Erik Zandvliet 2013-11-29 14:28:38 +01:00
parent ae17368228
commit eaaa2936b4
2 changed files with 26 additions and 23 deletions
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6
lib/dtsc.h
View file

@ -104,15 +104,15 @@ namespace DTSC {
class Part{
public:
short getSize();
void setSize(short newSize);
long getSize();
void setSize(long newSize);
short getDuration();
void setDuration(short newDuration);
long getOffset();
void setOffset(long newOffset);
char* getData();
private:
char data[8];
char data[9];
};
class Key{

43
lib/dtscmeta.cpp
View file

@ -1,28 +1,30 @@
#include "dtsc.h"
namespace DTSC {
short Part::getSize(){
return ntohs(((short*)data)[0]);
long Part::getSize(){
return ((long)data[0] << 16) | ((long)data[1] << 8) | data[2];
}
void Part::setSize(short newSize){
((short*)data)[0] = htons(newSize);
void Part::setSize(long newSize){
data[0] = (newSize & 0xFF0000) >> 16;
data[1] = (newSize & 0x00FF00) >> 8;
data[2] = (newSize & 0x0000FF);
}
short Part::getDuration(){
return ntohs(((short*)(data+2))[0]);
return ntohs(((short*)(data+3))[0]);
}
void Part::setDuration(short newDuration){
((short*)(data+2))[0] = htons(newDuration);
((short*)(data+3))[0] = htons(newDuration);
}
long Part::getOffset(){
return ntohl(((int*)(data+4))[0]);
return ntohl(((int*)(data+5))[0]);
}
void Part::setOffset(long newOffset){
((int*)(data+4))[0] = htonl(newOffset);
((int*)(data+5))[0] = htonl(newOffset);
}
char* Part::getData(){
@ -142,7 +144,7 @@ namespace DTSC {
}
if (trackRef.isMember("parts")){
parts = (Part*)trackRef["parts"].asString().data();
partLen = trackRef["parts"].asString().size() / 8;
partLen = trackRef["parts"].asString().size() / 9;
}else{
parts = 0;
partLen = 0;
@ -214,7 +216,7 @@ namespace DTSC {
}
if (trackRef.isMember("parts") && trackRef["parts"].isString()){
Part* tmp = (Part*)trackRef["parts"].asString().data();
parts = std::deque<Part>(tmp,tmp + (trackRef["parts"].asString().size() / 8));
parts = std::deque<Part>(tmp,tmp + (trackRef["parts"].asString().size() / 9));
}
trackID = trackRef["trackid"].asInt();
length = trackRef["length"].asInt();
@ -256,7 +258,7 @@ namespace DTSC {
}
parts.push_back(newPart);
lastms = pack["time"].asInt();
if (pack.isMember("keyframe") || !keys.size() || (type != "video" && pack["time"].asInt() - 2000 > keys[keys.size() - 1].getTime())){
if (pack.isMember("keyframe") || !keys.size() || (type != "video" && pack["time"].asInt() - 5000 > keys[keys.size() - 1].getTime())){
Key newKey;
newKey.setTime(pack["time"].asInt());
newKey.setParts(0);
@ -463,7 +465,7 @@ namespace DTSC {
int result = 163 + init.size() + codec.size() + type.size() + getIdentifier().size();
result += fragLen * 11;
result += keyLen * 16;
result += partLen * 8;
result += partLen * 9;
if (type == "audio"){
result += 49;
}else if (type == "video"){
@ -480,7 +482,7 @@ namespace DTSC {
int result = 163 + init.size() + codec.size() + type.size() + getIdentifier().size();
result += fragments.size() * 11;
result += keys.size() * 16;
result += parts.size() * 8;
result += parts.size() * 9;
if (type == "audio"){
result += 49;
}else if (type == "video"){
@ -504,8 +506,8 @@ namespace DTSC {
conn.SendNow(convertInt(keyLen*16), 4);
conn.SendNow((char*)keys, keyLen*16);
conn.SendNow("\000\005parts\002", 8);
conn.SendNow(convertInt(partLen*8), 4);
conn.SendNow((char*)parts, partLen*8);
conn.SendNow(convertInt(partLen*9), 4);
conn.SendNow((char*)parts, partLen*9);
conn.SendNow("\000\007trackid\001", 10);
conn.SendNow(convertLongLong(trackID), 8);
conn.SendNow("\000\006length\001", 9);
@ -566,9 +568,9 @@ namespace DTSC {
conn.SendNow(it->getData(), 16);
}
conn.SendNow("\000\005parts\002", 8);
conn.SendNow(convertInt(parts.size()*8), 4);
conn.SendNow(convertInt(parts.size()*9), 4);
for (std::deque<Part>::iterator it = parts.begin(); it != parts.end(); it++){
conn.SendNow(it->getData(), 8);
conn.SendNow(it->getData(), 9);
}
conn.SendNow("\000\007trackid\001", 10);
conn.SendNow(convertLongLong(trackID), 8);
@ -682,7 +684,7 @@ namespace DTSC {
result["keys"] = std::string((char*)keys, keyLen * 16);
}
if (parts){
result["parts"] = std::string((char*)parts, partLen * 8);
result["parts"] = std::string((char*)parts, partLen * 9);
}
result["trackid"] = trackID;
result["length"] = length;
@ -726,9 +728,9 @@ namespace DTSC {
}
result["keys"] = tmp;
tmp = "";
tmp.reserve(parts.size() * 8);
tmp.reserve(parts.size() * 9);
for (std::deque<Part>::iterator it = parts.begin(); it != parts.end(); it++){
tmp.append(it->getData(), 8);
tmp.append(it->getData(), 9);
}
result["parts"] = tmp;
result["trackid"] = trackID;
@ -823,6 +825,7 @@ namespace DTSC {
continue;
}
if (!it->second.keys.size() || !(it->second.keys.rbegin()->getBpos())){
std::cerr << "Not fixed while track " << it->first << " has " << it->second.keys.size() << "keyframes" << std::endl;
return false;
}
}