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audio: Fix static analysis concerns about a dead assignment.

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This commit is contained in:
Ryan C. Gordon 2017-01-24 10:09:29 -05:00
parent 073ff7dea3
commit 1da3a33773
1 changed files with 4 additions and 7 deletions
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11
src/audio/SDL_audiocvt.c
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@ -1147,7 +1147,7 @@ int
SDL_AudioStreamPut(SDL_AudioStream *stream, const void *buf, const Uint32 _buflen)
{
int buflen = (int) _buflen;
SDL_bool copied = SDL_FALSE;
const void *origbuf = buf;
/* !!! FIXME: several converters can take advantage of SIMD, but only
!!! FIXME: if the data is aligned to 16 bytes. EnsureStreamBufferSize()
@ -1173,7 +1173,7 @@ SDL_AudioStreamPut(SDL_AudioStream *stream, const void *buf, const Uint32 _bufle
if (workbuf == NULL) {
return -1; /* probably out of memory. */
}
copied = SDL_TRUE;
SDL_assert(buf == origbuf);
SDL_memcpy(workbuf, buf, buflen);
stream->cvt_before_resampling.buf = workbuf;
stream->cvt_before_resampling.len = buflen;
@ -1190,9 +1190,8 @@ SDL_AudioStreamPut(SDL_AudioStream *stream, const void *buf, const Uint32 _bufle
if (workbuf == NULL) {
return -1; /* probably out of memory. */
}
if (!copied) {
if (buf == origbuf) { /* copy if we haven't before. */
SDL_memcpy(workbuf, buf, buflen);
copied = SDL_TRUE;
}
buflen = stream->resampler_func(stream, workbuf, buflen, workbuf, workbuflen);
buf = workbuf;
@ -1204,11 +1203,9 @@ SDL_AudioStreamPut(SDL_AudioStream *stream, const void *buf, const Uint32 _bufle
if (workbuf == NULL) {
return -1; /* probably out of memory. */
}
if (!copied) {
if (buf == origbuf) { /* copy if we haven't before. */
SDL_memcpy(workbuf, buf, buflen);
copied = SDL_TRUE;
}
stream->cvt_after_resampling.buf = workbuf;
stream->cvt_after_resampling.len = buflen;
if (SDL_ConvertAudio(&stream->cvt_after_resampling) == -1) {