pandory500/SDL-mirror
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Add error messages for failure cases

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404232
This commit is contained in:
Sam Lantinga 2009-11-25 06:00:00 +00:00
parent 956b1a313e
commit f0b63f9249
1 changed files with 8 additions and 3 deletions
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11
src/audio/SDL_audiocvt.c
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@ -837,7 +837,8 @@ SDL_BuildAudioTypeCVT(SDL_AudioCVT * cvt,
}
if (filter == NULL) {
return -1; /* Still no matching converter?! */
SDL_SetError("No conversion available for these formats");
return -1;
}
}
@ -930,7 +931,8 @@ SDL_BuildAudioResampleCVT(SDL_AudioCVT * cvt, int dst_channels,
}
if (filter == NULL) {
return -1; /* Still no matching converter?! */
SDL_SetError("No conversion available for these rates");
return -1;
}
}
@ -969,16 +971,19 @@ SDL_BuildAudioCVT(SDL_AudioCVT * cvt,
* !!! FIXME: good in practice as it sounds in theory, though.
*/
/* there are no unsigned types over 16 bits, so catch this upfront. */
/* there are no unsigned types over 16 bits, so catch this up front. */
if ((SDL_AUDIO_BITSIZE(src_fmt) > 16) && (!SDL_AUDIO_ISSIGNED(src_fmt))) {
SDL_SetError("Invalid source format");
return -1;
}
if ((SDL_AUDIO_BITSIZE(dst_fmt) > 16) && (!SDL_AUDIO_ISSIGNED(dst_fmt))) {
SDL_SetError("Invalid destination format");
return -1;
}
/* prevent possible divisions by zero, etc. */
if ((src_rate == 0) || (dst_rate == 0)) {
SDL_SetError("Source or destination rate is zero");
return -1;
}
#ifdef DEBUG_CONVERT