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merge 'lennart' branch back into trunk.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-28 19:13:50 +00:00
parent 6687dd0131
commit a67c21f093
294 changed files with 79057 additions and 11614 deletions
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52
src/pulsecore/memchunk.c
View file

@ -27,40 +27,66 @@
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <pulse/xmalloc.h>
#include <pulsecore/macro.h>
#include <pulsecore/core-util.h>
#include "memchunk.h"
void pa_memchunk_make_writable(pa_memchunk *c, size_t min) {
pa_memchunk* pa_memchunk_make_writable(pa_memchunk *c, size_t min) {
pa_memblock *n;
size_t l;
void *tdata, *sdata;
assert(c);
assert(c->memblock);
assert(PA_REFCNT_VALUE(c->memblock) > 0);
pa_assert(c);
pa_assert(c->memblock);
if (PA_REFCNT_VALUE(c->memblock) == 1 &&
!c->memblock->read_only &&
c->memblock->length >= c->index+min)
return;
if (pa_memblock_ref_is_one(c->memblock) &&
!pa_memblock_is_read_only(c->memblock) &&
pa_memblock_get_length(c->memblock) >= c->index+min)
return c;
l = c->length;
if (l < min)
l = min;
n = pa_memblock_new(c->memblock->pool, l);
memcpy(n->data, (uint8_t*) c->memblock->data + c->index, c->length);
n = pa_memblock_new(pa_memblock_get_pool(c->memblock), l);
tdata = pa_memblock_acquire(n);
sdata = pa_memblock_acquire(c->memblock);
memcpy(tdata, (uint8_t*) sdata + c->index, c->length);
pa_memblock_release(n);
pa_memblock_release(c->memblock);
pa_memblock_unref(c->memblock);
c->memblock = n;
c->index = 0;
return c;
}
void pa_memchunk_reset(pa_memchunk *c) {
assert(c);
pa_memchunk* pa_memchunk_reset(pa_memchunk *c) {
pa_assert(c);
c->memblock = NULL;
c->length = c->index = 0;
return c;
}
pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c) {
void *p;
pa_assert(c);
pa_assert(c->memblock);
/* A version of pa_memblock_will_need() that works on memchunks
* instead of memblocks */
p = (uint8_t*) pa_memblock_acquire(c->memblock) + c->index;
pa_will_need(p, c->length);
pa_memblock_release(c->memblock);
return (pa_memchunk*) c;
}