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Code Issues Releases Activity

lavfi/af_atempo: use av_malloc for rDFT buffers.

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Memory obtained from av_realloc is not aligned enough for AVX.
The other similar allocations are changed too because they use
the same macro. The buffers were cleared afterwards anyway.

Fix trac ticket #1692.
This commit is contained in:
Nicolas George 2012-08-28 18:15:49 +02:00
parent 7816c7e772
commit a5704659e3
1 changed files with 13 additions and 11 deletions
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24
libavfilter/af_atempo.c
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@ -209,14 +209,16 @@ static void yae_release_buffers(ATempoContext *atempo)
atempo->complex_to_real = NULL;
}
#define REALLOC_OR_FAIL(field, field_size) \
/* av_realloc is not aligned enough; fortunately, the data does not need to
* be preserved */
#define RE_MALLOC_OR_FAIL(field, field_size) \
do { \
void * new_field = av_realloc(field, (field_size)); \
if (!new_field) { \
av_freep(&field); \
field = av_malloc(field_size); \
if (!field) { \
yae_release_buffers(atempo); \
return AVERROR(ENOMEM); \
} \
field = new_field; \
} while (0)
/**
@ -251,10 +253,10 @@ static int yae_reset(ATempoContext *atempo,
}
// initialize audio fragment buffers:
REALLOC_OR_FAIL(atempo->frag[0].data, atempo->window * atempo->stride);
REALLOC_OR_FAIL(atempo->frag[1].data, atempo->window * atempo->stride);
REALLOC_OR_FAIL(atempo->frag[0].xdat, atempo->window * sizeof(FFTComplex));
REALLOC_OR_FAIL(atempo->frag[1].xdat, atempo->window * sizeof(FFTComplex));
RE_MALLOC_OR_FAIL(atempo->frag[0].data, atempo->window * atempo->stride);
RE_MALLOC_OR_FAIL(atempo->frag[1].data, atempo->window * atempo->stride);
RE_MALLOC_OR_FAIL(atempo->frag[0].xdat, atempo->window * sizeof(FFTComplex));
RE_MALLOC_OR_FAIL(atempo->frag[1].xdat, atempo->window * sizeof(FFTComplex));
// initialize rDFT contexts:
av_rdft_end(atempo->real_to_complex);
@ -275,13 +277,13 @@ static int yae_reset(ATempoContext *atempo,
return AVERROR(ENOMEM);
}
REALLOC_OR_FAIL(atempo->correlation, atempo->window * sizeof(FFTComplex));
RE_MALLOC_OR_FAIL(atempo->correlation, atempo->window * sizeof(FFTComplex));
atempo->ring = atempo->window * 3;
REALLOC_OR_FAIL(atempo->buffer, atempo->ring * atempo->stride);
RE_MALLOC_OR_FAIL(atempo->buffer, atempo->ring * atempo->stride);
// initialize the Hann window function:
REALLOC_OR_FAIL(atempo->hann, atempo->window * sizeof(float));
RE_MALLOC_OR_FAIL(atempo->hann, atempo->window * sizeof(float));
for (i = 0; i < atempo->window; i++) {
double t = (double)i / (double)(atempo->window - 1);