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Added skipDynamic optional argument to most binary representations of metadata/tracks, which skips sending dynamic parts of the metadata if true.

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This commit is contained in:
Thulinma 2016-02-15 11:48:45 +01:00
parent 10af060ab4
commit 668560ff05
11 changed files with 344 additions and 111 deletions
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53
lib/dtsc.cpp
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@ -9,6 +9,7 @@
char DTSC::Magic_Header[] = "DTSC";
char DTSC::Magic_Packet[] = "DTPD";
char DTSC::Magic_Packet2[] = "DTP2";
char DTSC::Magic_Command[] = "DTCM";
DTSC::File::File() {
F = 0;
@ -32,8 +33,7 @@ DTSC::File & DTSC::File::operator =(const File & rhs) {
if (rhs.myPack) {
myPack = rhs.myPack;
}
metaStorage = rhs.metaStorage;
metadata = metaStorage;
metadata = rhs.metadata;
currtime = rhs.currtime;
lastreadpos = rhs.lastreadpos;
headerSize = rhs.headerSize;
@ -67,7 +67,7 @@ DTSC::File::File(std::string filename, bool create) {
}
created = create;
if (!F) {
DEBUG_MSG(DLVL_ERROR, "Could not open file %s", filename.c_str());
HIGH_MSG("Could not open file %s", filename.c_str());
return;
}
fseek(F, 0, SEEK_END);
@ -83,7 +83,7 @@ DTSC::File::File(std::string filename, bool create) {
return;
}
if (memcmp(buffer, DTSC::Magic_Header, 4) != 0) {
if (memcmp(buffer, DTSC::Magic_Packet2, 4) != 0 && memcmp(buffer, DTSC::Magic_Packet, 4) != 0) {
if (memcmp(buffer, DTSC::Magic_Packet2, 4) != 0 && memcmp(buffer, DTSC::Magic_Packet, 4) != 0 && memcmp(buffer, DTSC::Magic_Command, 4) != 0) {
DEBUG_MSG(DLVL_ERROR, "%s is not a valid DTSC file", filename.c_str());
fclose(F);
F = 0;
@ -113,8 +113,7 @@ DTSC::File::File(std::string filename, bool create) {
fseek(F, 0, SEEK_SET);
File Fhead(filename + ".dtsh");
if (Fhead) {
metaStorage = Fhead.metaStorage;
metadata = metaStorage;
metadata = Fhead.metadata;
}
}
currframe = 0;
@ -346,8 +345,9 @@ void DTSC::File::seekNext() {
}
void DTSC::File::parseNext(){
char header_buffer[4] = {0, 0, 0, 0};
lastreadpos = ftell(F);
if (fread(buffer, 4, 1, F) != 1) {
if (fread(header_buffer, 4, 1, F) != 1) {
if (feof(F)) {
DEBUG_MSG(DLVL_DEVEL, "End of file reached @ %d", (int)lastreadpos);
} else {
@ -356,55 +356,26 @@ void DTSC::File::parseNext(){
myPack.null();
return;
}
if (memcmp(buffer, DTSC::Magic_Header, 4) == 0) {
if (lastreadpos != 0) {
readHeader(lastreadpos);
std::string tmp = metaStorage.toNetPacked();
myPack.reInit(tmp.data(), tmp.size());
DEBUG_MSG(DLVL_DEVEL, "Read another header");
} else {
if (fread(buffer, 4, 1, F) != 1) {
DEBUG_MSG(DLVL_ERROR, "Could not read header size @ %d", (int)lastreadpos);
myPack.null();
return;
}
long packSize = ntohl(((unsigned long *)buffer)[0]);
std::string strBuffer = "DTSC";
strBuffer.append((char *)buffer, 4);
strBuffer.resize(packSize + 8);
if (fread((void *)(strBuffer.c_str() + 8), packSize, 1, F) != 1) {
DEBUG_MSG(DLVL_ERROR, "Could not read header @ %d", (int)lastreadpos);
myPack.null();
return;
}
myPack.reInit(strBuffer.data(), strBuffer.size());
}
return;
}
long long unsigned int version = 0;
if (memcmp(buffer, DTSC::Magic_Packet, 4) == 0) {
if (memcmp(header_buffer, DTSC::Magic_Packet, 4) == 0 || memcmp(header_buffer, DTSC::Magic_Command, 4) == 0 || memcmp(header_buffer, DTSC::Magic_Header, 4) == 0) {
version = 1;
}
if (memcmp(buffer, DTSC::Magic_Packet2, 4) == 0) {
if (memcmp(header_buffer, DTSC::Magic_Packet2, 4) == 0) {
version = 2;
}
if (version == 0) {
DEBUG_MSG(DLVL_ERROR, "Invalid packet header @ %#x - %.4s != %.4s @ %d", (unsigned int)lastreadpos, (char *)buffer, DTSC::Magic_Packet2, (int)lastreadpos);
DEBUG_MSG(DLVL_ERROR, "Invalid packet header @ %#x: %.4s", (unsigned int)lastreadpos, (char *)buffer);
myPack.null();
return;
}
if (fread(buffer, 4, 1, F) != 1) {
DEBUG_MSG(DLVL_ERROR, "Could not read packet size @ %d", (int)lastreadpos);
DEBUG_MSG(DLVL_ERROR, "Could not read packet size @ %#x", (unsigned int)lastreadpos);
myPack.null();
return;
}
long packSize = ntohl(((unsigned long *)buffer)[0]);
char * packBuffer = (char *)malloc(packSize + 8);
if (version == 1) {
memcpy(packBuffer, "DTPD", 4);
} else {
memcpy(packBuffer, "DTP2", 4);
}
memcpy(packBuffer, header_buffer, 4);
memcpy(packBuffer + 4, buffer, 4);
if (fread((void *)(packBuffer + 8), packSize, 1, F) != 1) {
DEBUG_MSG(DLVL_ERROR, "Could not read packet @ %d", (int)lastreadpos);