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merge DecodeSample & DumpBytes

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a dinosaur
2019-09-30 20:43:07 +10:00
parent 63aacb9a01
commit 886966d7dc
1 changed files with 12 additions and 18 deletions
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30
neotools/neoadpcmextract.cpp
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@@ -19,40 +19,36 @@
*/
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>
#include <cstdint>
void DecodeSample(FILE* file, std::vector <uint8_t>& a_out)
void DecodeSample(FILE* fin, const std::string& name, std::vector <uint8_t>& buf)
{
// Set up output vector.
uint32_t sampLen = 0;
fread(&sampLen, sizeof(uint32_t), 1, file);
fread(&sampLen, sizeof(uint32_t), 1, fin);
if (sampLen < sizeof(uint64_t))
return;
sampLen -= sizeof(uint64_t);
a_out.clear();
a_out.resize(sampLen);
buf.clear();
buf.resize(sampLen);
// Ignore 8 bytes.
uint64_t dummy;
fread(&dummy, sizeof(uint64_t), 1, file);
fread(&dummy, sizeof(uint64_t), 1, fin);
// Read adpcm data.
fread(a_out.data(), sizeof(uint8_t), sampLen, file);
}
fread(buf.data(), sizeof(uint8_t), sampLen, fin);
void DumpBytes(const char* path, const std::vector<uint8_t>& a_bytes)
{
FILE* file = fopen(path, "wb");
if (!file)
FILE* fout = fopen(name.c_str(), "wb");
if (!fout)
return;
fwrite(a_bytes.data(), sizeof(uint8_t), a_bytes.size(), file);
fclose(file);
fwrite(buf.data(), sizeof(uint8_t), buf.size(), fout);
fclose(fout);
}
int main(int argc, char** argv)
@@ -77,18 +73,16 @@ int main(int argc, char** argv)
if (byte == 0x82)
{
std::cout << "ADPCM-A data found at 0x" << std::hex << ftell(file) << std::endl;
DecodeSample(file, smpBytes);
std::stringstream path;
path << std::hex << "smpa_" << (smpaCount++) << ".pcm";
DumpBytes(path.str().c_str(), smpBytes);
DecodeSample(file, path.str(), smpBytes);
}
else if (byte == 0x83)
{
std::cout << "ADPCM-B data found at 0x" << std::hex << ftell(file) << std::endl;
DecodeSample(file, smpBytes);
std::stringstream path;
path << std::hex << "smpb_" << (smpbCount++) << ".pcm";
DumpBytes(path.str().c_str(), smpBytes);
DecodeSample(file, path.str(), smpBytes);
}
}