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/***
This file is part of PulseAudio.
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <assert.h>
#include <stdio.h>
#include <signal.h>
#include <pulsecore/memblockq.h>
#include <pulsecore/log.h>
static void dump_chunk(const pa_memchunk *chunk) {
size_t n;
void *q;
char *e;
pa_assert(chunk);
printf("[");
q = pa_memblock_acquire(chunk->memblock);
for (e = (char*) q + chunk->index, n = 0; n < chunk->length; n++, e++)
printf("%c", *e);
pa_memblock_release(chunk->memblock);
printf("]");
}
static void dump(pa_memblockq *bq) {
pa_memchunk out;
pa_assert(bq);
/* First let's dump this as fixed block */
printf("FIXED >");
pa_memblockq_peek_fixed_size(bq, 64, &out);
dump_chunk(&out);
pa_memblock_unref(out.memblock);
printf("<\n");
/* Then let's dump the queue manually */
printf("MANUAL>");
for (;;) {
if (pa_memblockq_peek(bq, &out) < 0)
break;
dump_chunk(&out);
pa_memblock_unref(out.memblock);
pa_memblockq_drop(bq, out.length);
}
printf("<\n");
}
int main(int argc, char *argv[]) {
int ret;
pa_mempool *p;
pa_memblockq *bq;
pa_memchunk chunk1, chunk2, chunk3, chunk4;
pa_memchunk silence;
pa_log_set_level(PA_LOG_DEBUG);
p = pa_mempool_new(FALSE, 0);
silence.memblock = pa_memblock_new_fixed(p, (char*) "__", 2, 1);
assert(silence.memblock);
silence.index = 0;
silence.length = pa_memblock_get_length(silence.memblock);
bq = pa_memblockq_new(0, 200, 10, 2, 4, 4, 40, &silence);
assert(bq);
chunk1.memblock = pa_memblock_new_fixed(p, (char*) "11", 2, 1);
chunk1.index = 0;
chunk1.length = 2;
assert(chunk1.memblock);
chunk2.memblock = pa_memblock_new_fixed(p, (char*) "XX22", 4, 1);
chunk2.index = 2;
chunk2.length = 2;
assert(chunk2.memblock);
chunk3.memblock = pa_memblock_new_fixed(p, (char*) "3333", 4, 1);
chunk3.index = 0;
chunk3.length = 4;
assert(chunk3.memblock);
chunk4.memblock = pa_memblock_new_fixed(p, (char*) "44444444", 8, 1);
chunk4.index = 0;
chunk4.length = 8;
assert(chunk4.memblock);
ret = pa_memblockq_push(bq, &chunk1);
assert(ret == 0);
ret = pa_memblockq_push(bq, &chunk2);
assert(ret == 0);
ret = pa_memblockq_push(bq, &chunk3);
assert(ret == 0);
ret = pa_memblockq_push(bq, &chunk4);
assert(ret == 0);
pa_memblockq_seek(bq, -6, 0, TRUE);
ret = pa_memblockq_push(bq, &chunk3);
assert(ret == 0);
pa_memblockq_seek(bq, -2, 0, TRUE);
ret = pa_memblockq_push(bq, &chunk1);
assert(ret == 0);
pa_memblockq_seek(bq, -10, 0, TRUE);
ret = pa_memblockq_push(bq, &chunk4);
assert(ret == 0);
pa_memblockq_seek(bq, 10, 0, TRUE);
ret = pa_memblockq_push(bq, &chunk1);
assert(ret == 0);
pa_memblockq_seek(bq, -6, 0, TRUE);
ret = pa_memblockq_push(bq, &chunk2);
assert(ret == 0);
/* Test splitting */
pa_memblockq_seek(bq, -12, 0, TRUE);
ret = pa_memblockq_push(bq, &chunk1);
assert(ret == 0);
pa_memblockq_seek(bq, 20, 0, TRUE);
/* Test merging */
ret = pa_memblockq_push(bq, &chunk3);
assert(ret == 0);
pa_memblockq_seek(bq, -2, 0, TRUE);
chunk3.index += 2;
chunk3.length -= 2;
ret = pa_memblockq_push(bq, &chunk3);
assert(ret == 0);
pa_memblockq_seek(bq, 30, PA_SEEK_RELATIVE, TRUE);
dump(bq);
pa_memblockq_rewind(bq, 52);
dump(bq);
pa_memblockq_free(bq);
pa_memblock_unref(silence.memblock);
pa_memblock_unref(chunk1.memblock);
pa_memblock_unref(chunk2.memblock);
pa_memblock_unref(chunk3.memblock);
pa_memblock_unref(chunk4.memblock);
pa_mempool_free(p);
return 0;
}
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