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audio: Fixed check for minimum audio stream put size.

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This commit is contained in:
Ryan C. Gordon 2017-10-11 01:37:11 -04:00
parent 0e495e83dd
commit 459e2b0bbe
1 changed files with 3 additions and 2 deletions
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5
src/audio/SDL_audiocvt.c
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@ -1356,7 +1356,7 @@ SDL_AudioStreamPut(SDL_AudioStream *stream, const void *buf, const Uint32 _bufle
Uint8 *workbuf;
Uint8 *resamplebuf = NULL;
int resamplebuflen = 0;
const int neededpaddingbytes = stream ? stream->resampler_padding_samples * sizeof (float) : 0;
int neededpaddingbytes;
int paddingbytes;
/* !!! FIXME: several converters can take advantage of SIMD, but only
@ -1379,11 +1379,12 @@ SDL_AudioStreamPut(SDL_AudioStream *stream, const void *buf, const Uint32 _bufle
return 0; /* nothing to do. */
} else if ((buflen % stream->src_sample_frame_size) != 0) {
return SDL_SetError("Can't add partial sample frames");
} else if (buflen < (neededpaddingbytes * 2)) {
} else if (buflen < ((stream->resampler_padding_samples / stream->pre_resample_channels) * stream->src_sample_frame_size)) {
return SDL_SetError("Need to put a larger buffer");
}
/* no padding prepended on first run. */
neededpaddingbytes = stream->resampler_padding_samples * sizeof (float);
paddingbytes = stream->first_run ? 0 : neededpaddingbytes;
stream->first_run = SDL_FALSE;