a_dinosaur/VGM-Tools
1
0
Fork 0
mirror of https://github.com/ScrelliCopter/VGM-Tools synced 2025-02-21 04:09:25 +11:00
Code Issues Releases Wiki Activity

reformat

Browse Source
This commit is contained in:
a dinosaur
2019-09-28 10:18:39 +10:00
parent 6d60ea91c0
commit 0a26bc8998
1 changed files with 27 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
neotools/neoadpcmextract.cpp
View File

@@ -25,85 +25,78 @@
#include <vector> #include <vector>
#include <cstdint> #include <cstdint>
void DecodeSample ( std::ifstream& a_file, std::vector<uint8_t>& a_out ) void DecodeSample(std::ifstream& a_file, std::vector<uint8_t>& a_out)
{ {
// Set up output vector. // Set up output vector.
uint32_t sampLen = 0; uint32_t sampLen = 0;
a_file.read ( (char*)&sampLen, sizeof(uint32_t) ); a_file.read((char*)&sampLen, sizeof(uint32_t));
if ( sampLen < sizeof(uint64_t) ) if (sampLen < sizeof(uint64_t))
{
return; return;
}
sampLen -= sizeof(uint64_t); sampLen -= sizeof(uint64_t);
a_out.clear (); a_out.clear();
a_out.resize ( sampLen ); a_out.resize(sampLen);
// Ignore 8 bytes. // Ignore 8 bytes.
uint64_t dummy; uint64_t dummy;
a_file.read ( (char*)&dummy, sizeof(uint64_t) ); a_file.read((char*)&dummy, sizeof(uint64_t));
// Read adpcm data. // Read adpcm data.
a_file.read ( (char*)a_out.data (), sampLen ); a_file.read((char*)a_out.data(), sampLen);
} }
void DumpBytes ( std::string a_path, const std::vector<uint8_t>& a_bytes ) void DumpBytes(std::string a_path, const std::vector<uint8_t>& a_bytes)
{ {
std::ofstream fileOut ( a_path, std::ios::binary ); std::ofstream fileOut(a_path, std::ios::binary);
fileOut.write ( (const char*)a_bytes.data (), a_bytes.size () ); fileOut.write((const char*)a_bytes.data(), a_bytes.size());
fileOut.close (); fileOut.close();
} }
int main ( int argc, char** argv ) int main(int argc, char** argv)
{ {
if ( argc != 2 ) if (argc != 2)
{
return -1; return -1;
}
// Open file. // Open file.
std::ifstream file ( argv[1], std::ios::binary ); std::ifstream file(argv[1], std::ios::binary);
if ( !file.is_open () ) if (!file.is_open())
{
return -1; return -1;
}
// Search for pcm headers. // Search for pcm headers.
std::vector<uint8_t> smpBytes; std::vector<uint8_t> smpBytes;
int smpA = 0, smpB = 0; int smpA = 0, smpB = 0;
while ( !file.eof () && !file.fail () ) while (!file.eof() && !file.fail())
{ {
uint8_t byte; uint8_t byte;
file >> byte; file >> byte;
if ( byte == 0x67 ) if (byte == 0x67)
{ {
file >> byte; file >> byte;
if ( byte == 0x66 ) if (byte == 0x66)
{ {
file >> byte; file >> byte;
if ( byte == 0x82 ) if (byte == 0x82)
{ {
std::cout << "ADPCM-A data found at 0x" << std::hex << file.tellg () << std::endl; std::cout << "ADPCM-A data found at 0x" << std::hex << file.tellg() << std::endl;
DecodeSample ( file, smpBytes ); DecodeSample(file, smpBytes);
std::stringstream path; std::stringstream path;
path << std::hex << "smpa_" << (smpA++) << ".pcm"; path << std::hex << "smpa_" << (smpA++) << ".pcm";
DumpBytes ( path.str (), smpBytes ); DumpBytes(path.str(), smpBytes);
} }
else else if (byte == 0x83)
if ( byte == 0x83 )
{ {
std::cout << "ADPCM-B data found at 0x" << std::hex << file.tellg () << std::endl; std::cout << "ADPCM-B data found at 0x" << std::hex << file.tellg() << std::endl;
DecodeSample ( file, smpBytes ); DecodeSample(file, smpBytes);
std::stringstream path; std::stringstream path;
path << std::hex << "smpb_" << (smpB++) << ".pcm"; path << std::hex << "smpb_" << (smpB++) << ".pcm";
DumpBytes ( path.str (), smpBytes ); DumpBytes(path.str(), smpBytes);
} }
} }
} }
} }
file.close (); file.close();
return 0; return 0;
} }