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https://github.com/ScrelliCopter/VGM-Tools
synced 2025-02-21 04:09:25 +11:00
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4 Commits
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b12258970e
| Author | SHA1 | Date | |
|---|---|---|---|
| b12258970e | |||
| 886966d7dc | |||
| 63aacb9a01 | |||
| 7c66bbab52 |
@@ -1,4 +1,5 @@
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#!/bin/sh
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set -e
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FILE="$1"
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NAME="$(basename "$FILE")"
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@@ -6,7 +7,7 @@ WAVDIR="${NAME%%.*}"
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if [ "${NAME##*.}" = "vgz" ]; then
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cp "$FILE" "temp.vgm.gz"
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gzip -d "temp.vgm.gz"
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gzip -fd "temp.vgm.gz"
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FILE="temp.vgm"
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fi
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@@ -18,75 +18,70 @@
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <sstream>
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#include <vector>
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#include <cstdint>
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void DecodeSample(FILE* file, std::vector <uint8_t>& a_out)
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void DecodeSample(FILE* fin, const std::string& name, std::vector <uint8_t>& buf)
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{
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// Set up output vector.
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uint32_t sampLen = 0;
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fread(&sampLen, sizeof(uint32_t), 1, file);
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fread(&sampLen, sizeof(uint32_t), 1, fin);
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if (sampLen < sizeof(uint64_t))
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return;
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sampLen -= sizeof(uint64_t);
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a_out.clear();
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a_out.resize(sampLen);
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buf.clear();
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buf.resize(sampLen);
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// Ignore 8 bytes.
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uint64_t dummy;
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fread(&dummy, sizeof(uint64_t), 1, file);
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fread(&dummy, sizeof(uint64_t), 1, fin);
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// Read adpcm data.
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fread(a_out.data(), sizeof(uint8_t), sampLen, file);
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}
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fread(buf.data(), sizeof(uint8_t), sampLen, fin);
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void DumpBytes(std::string a_path, const std::vector<uint8_t>& a_bytes)
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{
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std::ofstream fileOut(a_path, std::ios::binary);
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fileOut.write((const char*)a_bytes.data(), a_bytes.size());
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fileOut.close();
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FILE* fout = fopen(name.c_str(), "wb");
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if (!fout)
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return;
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fwrite(buf.data(), sizeof(uint8_t), buf.size(), fout);
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fclose(fout);
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}
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int main(int argc, char** argv)
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{
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if (argc != 2)
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return -1;
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return 1;
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// Open file.
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FILE* file = fopen(argv[1], "rb");
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if (!file)
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return -1;
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return 1;
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// Search for pcm headers.
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std::vector<uint8_t> smpBytes;
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int smpaCount = 0, smpbCount = 0;
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while (!feof(file) && !ferror(file))
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{
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if (fgetc(file) != 0x67 &&
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fgetc(file) != 0x66)
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if (fgetc(file) != 0x67 || fgetc(file) != 0x66)
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continue;
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uint8_t byte = fgetc(file);
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if (byte == 0x82)
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{
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std::cout << "ADPCM-A data found at 0x" << std::hex << ftell(file) << std::endl;
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DecodeSample(file, smpBytes);
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printf("ADPCM-A data found at 0x%08lX\n", ftell(file));
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std::stringstream path;
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path << std::hex << "smpa_" << (smpaCount++) << ".pcm";
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DumpBytes(path.str(), smpBytes);
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DecodeSample(file, path.str(), smpBytes);
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}
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else if (byte == 0x83)
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{
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std::cout << "ADPCM-B data found at 0x" << std::hex << ftell(file) << std::endl;
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DecodeSample(file, smpBytes);
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printf("ADPCM-B data found at 0x%08lX\n", ftell(file));
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std::stringstream path;
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path << std::hex << "smpb_" << (smpbCount++) << ".pcm";
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DumpBytes(path.str(), smpBytes);
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DecodeSample(file, path.str(), smpBytes);
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}
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}
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