pandory500/SDL-mirror
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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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9
src/audio/SDL_audiocvt.c
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@ -894,7 +894,7 @@ SDL_FindFrequencyMultiple(const int src_rate, const int dst_rate)
/* zero means "not a supported multiple" ... we only do 2x and 4x. */
if ((hi % lo) != 0)
return 0; /* not a multiple. */
return 0; /* not a multiple. */
div = hi / lo;
retval = ((div == 2) || (div == 4)) ? div : 0;
@ -915,7 +915,8 @@ SDL_BuildAudioResampleCVT(SDL_AudioCVT * cvt, int dst_channels,
if (filter == NULL) {
int i;
const int upsample = (src_rate < dst_rate) ? 1 : 0;
const int multiple = SDL_FindFrequencyMultiple(src_rate, dst_rate);
const int multiple =
SDL_FindFrequencyMultiple(src_rate, dst_rate);
for (i = 0; sdl_audio_rate_filters[i].filter != NULL; i++) {
const SDL_AudioRateFilters *filt = &sdl_audio_rate_filters[i];
@ -980,7 +981,6 @@ SDL_BuildAudioCVT(SDL_AudioCVT * cvt,
if ((src_rate == 0) || (dst_rate == 0)) {
return -1;
}
#ifdef DEBUG_CONVERT
printf("Build format %04x->%04x, channels %u->%u, rate %d->%d\n",
src_fmt, dst_fmt, src_channels, dst_channels, src_rate, dst_rate);
@ -1054,7 +1054,8 @@ SDL_BuildAudioCVT(SDL_AudioCVT * cvt,
}
/* Do rate conversion, if necessary. Updates (cvt). */
if (SDL_BuildAudioResampleCVT(cvt, dst_channels, src_rate, dst_rate) == -1) {
if (SDL_BuildAudioResampleCVT(cvt, dst_channels, src_rate, dst_rate) ==
-1) {
return -1; /* shouldn't happen, but just in case... */
}