103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
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///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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#include <stdio.h>
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#include <string.h>
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int main(int argc, char **argv)
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{
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struct WAVE
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{
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char riffId[4];
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int riffBytes;
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char waveId[4];
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};
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union CHUNK
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{
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struct
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{
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char fmtId[4];
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int fmtBytes;
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short audioFormat;
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short numChannels;
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int samplesPerSec;
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int bytesPerSec;
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short blockAlign;
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short bitsPerSample;
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short byteExtra;
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} FMT;
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struct
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{
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char dataId[4];
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int dataBytes;
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} DATA;
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};
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for (int arg = 1; arg < argc; arg++) {
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FILE *fp = fopen(argv[arg], "rb");
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if (fp == NULL) {
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printf("Couldn't read %s\n", argv[arg]);
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}
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printf("%s\n", argv[arg]);
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WAVE wave;
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CHUNK chunk;
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fread(&wave, 1, sizeof(wave), fp);
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if (strncmp(wave.riffId, "RIFF", 4) != 0 ||
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strncmp(wave.waveId, "WAVE", 4) != 0) {
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printf(" riffId: %-4.4s\n", wave.riffId);
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printf(" riffBytes: %d\n", wave.riffBytes);
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printf(" waveId: %-4.4s\n", wave.waveId);
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printf("!!!\n");
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return 1;
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}
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int offset = ftell(fp);
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while (fread(&chunk.DATA, 1, sizeof(chunk.DATA), fp) != 0) {
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if (strncmp(chunk.DATA.dataId, "data", 4) == 0) {
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}
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else if (strncmp(chunk.DATA.dataId, "fmt ", 4) == 0) {
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fseek(fp, offset, SEEK_SET);
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fread(&chunk.FMT, 1, sizeof(chunk.FMT), fp);
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if (chunk.FMT.audioFormat != 1) {
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printf(" audioFormat: %d\n", chunk.FMT.audioFormat);
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printf("!!!\n");
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break;
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}
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if (chunk.FMT.blockAlign !=
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(chunk.FMT.bitsPerSample * chunk.FMT.numChannels) / 8) {
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printf(" numChannels: %d\n", chunk.FMT.numChannels);
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printf(" blockAlign: %d\n", chunk.FMT.blockAlign);
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printf(" bitsPerSample: %d\n", chunk.FMT.bitsPerSample);
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printf("!!!\n");
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break;
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}
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printf("channels=%1d samplesPerSec=%5d bitsPerSamples=%2d\n",
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chunk.FMT.numChannels,
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chunk.FMT.samplesPerSec,
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chunk.FMT.bitsPerSample);
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}
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else {
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printf(" Id: %-4.4s\n", chunk.DATA.dataId);
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printf(" Bytes: %d\n", chunk.DATA.dataBytes);
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}
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offset += 8 + chunk.DATA.dataBytes;
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fseek(fp, offset, SEEK_SET);
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}
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fclose(fp);
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}
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return 0;
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}
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