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pcm_buffer: move formula to new function align_8k()

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This commit is contained in:
Max Kellermann 2011-11-27 20:04:56 +01:00
parent f5f1bfbef1
commit a1e824ada0
1 changed files with 11 additions and 2 deletions
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13
src/pcm_buffer.c
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@ -19,6 +19,16 @@
#include "pcm_buffer.h" #include "pcm_buffer.h"
/**
* Align the specified size to the next 8k boundary.
*/
G_GNUC_CONST
static size_t
align_8k(size_t size)
{
return ((size - 1) | 0x1fff) + 1;
}
void * void *
pcm_buffer_get(struct pcm_buffer *buffer, size_t size) pcm_buffer_get(struct pcm_buffer *buffer, size_t size)
{ {
@ -26,8 +36,7 @@ pcm_buffer_get(struct pcm_buffer *buffer, size_t size)
/* free the old buffer */ /* free the old buffer */
g_free(buffer->buffer); g_free(buffer->buffer);
/* allocate a new buffer; align at 8 kB boundaries */ buffer->size = align_8k(size);
buffer->size = ((size - 1) | 0x1fff) + 1;
buffer->buffer = g_malloc(buffer->size); buffer->buffer = g_malloc(buffer->size);
} }