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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403502
This commit is contained in:
Sam Lantinga 2009-01-14 04:25:32 +00:00
parent 072760ebb7
commit 628262d3af
13 changed files with 117 additions and 122 deletions
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56
test/testresample.c
View file

@ -1,7 +1,8 @@
#include <stdio.h>
#include "SDL.h"
int main(int argc, char **argv)
int
main(int argc, char **argv)
{
SDL_AudioSpec spec;
SDL_AudioCVT cvt;
@ -13,30 +14,26 @@ int main(int argc, char **argv)
int avgbytes = 0;
SDL_RWops *io = NULL;
if (argc != 4)
{
if (argc != 4) {
fprintf(stderr, "USAGE: %s in.wav out.wav newfreq\n", argv[0]);
return 1;
}
cvtfreq = atoi(argv[3]);
if (SDL_Init(SDL_INIT_AUDIO) == -1)
{
if (SDL_Init(SDL_INIT_AUDIO) == -1) {
fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
return 2;
}
if (SDL_LoadWAV(argv[1], &spec, &data, &len) == NULL)
{
if (SDL_LoadWAV(argv[1], &spec, &data, &len) == NULL) {
fprintf(stderr, "failed to load %s: %s\n", argv[1], SDL_GetError());
SDL_Quit();
return 3;
}
if (SDL_BuildAudioCVT(&cvt, spec.format, spec.channels, spec.freq,
spec.format, spec.channels, cvtfreq) == -1)
{
spec.format, spec.channels, cvtfreq) == -1) {
fprintf(stderr, "failed to build CVT: %s\n", SDL_GetError());
SDL_FreeWAV(data);
SDL_Quit();
@ -45,8 +42,7 @@ int main(int argc, char **argv)
cvt.len = len;
cvt.buf = (Uint8 *) malloc(len * cvt.len_mult);
if (cvt.buf == NULL)
{
if (cvt.buf == NULL) {
fprintf(stderr, "Out of memory.\n");
SDL_FreeWAV(data);
SDL_Quit();
@ -54,8 +50,7 @@ int main(int argc, char **argv)
}
memcpy(cvt.buf, data, len);
if (SDL_ConvertAudio(&cvt) == -1)
{
if (SDL_ConvertAudio(&cvt) == -1) {
fprintf(stderr, "Conversion failed: %s\n", SDL_GetError());
free(cvt.buf);
SDL_FreeWAV(data);
@ -65,8 +60,7 @@ int main(int argc, char **argv)
/* write out a WAV header... */
io = SDL_RWFromFile(argv[2], "wb");
if (io == NULL)
{
if (io == NULL) {
fprintf(stderr, "fopen('%s') failed: %s\n", argv[2], SDL_GetError());
free(cvt.buf);
SDL_FreeWAV(data);
@ -78,35 +72,33 @@ int main(int argc, char **argv)
blockalign = (bitsize / 8) * spec.channels;
avgbytes = cvtfreq * blockalign;
SDL_WriteLE32(io, 0x46464952); /* RIFF */
SDL_WriteLE32(io, 0x46464952); /* RIFF */
SDL_WriteLE32(io, len * cvt.len_mult + 36);
SDL_WriteLE32(io, 0x45564157); /* WAVE */
SDL_WriteLE32(io, 0x20746D66); /* fmt */
SDL_WriteLE32(io, 16); /* chunk size */
SDL_WriteLE16(io, 1); /* uncompressed */
SDL_WriteLE16(io, spec.channels); /* channels */
SDL_WriteLE32(io, cvtfreq); /* sample rate */
SDL_WriteLE32(io, avgbytes); /* average bytes per second */
SDL_WriteLE16(io, blockalign); /* block align */
SDL_WriteLE16(io, bitsize); /* significant bits per sample */
SDL_WriteLE32(io, 0x61746164); /* data */
SDL_WriteLE32(io, cvt.len_cvt); /* size */
SDL_WriteLE32(io, 0x45564157); /* WAVE */
SDL_WriteLE32(io, 0x20746D66); /* fmt */
SDL_WriteLE32(io, 16); /* chunk size */
SDL_WriteLE16(io, 1); /* uncompressed */
SDL_WriteLE16(io, spec.channels); /* channels */
SDL_WriteLE32(io, cvtfreq); /* sample rate */
SDL_WriteLE32(io, avgbytes); /* average bytes per second */
SDL_WriteLE16(io, blockalign); /* block align */
SDL_WriteLE16(io, bitsize); /* significant bits per sample */
SDL_WriteLE32(io, 0x61746164); /* data */
SDL_WriteLE32(io, cvt.len_cvt); /* size */
SDL_RWwrite(io, cvt.buf, cvt.len_cvt, 1);
if (SDL_RWclose(io) == -1)
{
if (SDL_RWclose(io) == -1) {
fprintf(stderr, "fclose('%s') failed: %s\n", argv[2], SDL_GetError());
free(cvt.buf);
SDL_FreeWAV(data);
SDL_Quit();
return 8;
} // if
} // if
free(cvt.buf);
SDL_FreeWAV(data);
SDL_Quit();
return 0;
} // main
} // main
// end of resample_test.c ...