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Port sine modules to pa_memchunk_sine()

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This commit is contained in:
Lennart Poettering 2009-01-12 19:49:50 +01:00
parent b8e6aae08e
commit f67066b362
2 changed files with 25 additions and 59 deletions
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30
src/modules/module-sine-source.c
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@ -141,11 +141,11 @@ static void process_render(struct userdata *u, pa_usec_t now) {
k = pa_usec_to_bytes_round_up(now + u->block_usec - u->timestamp, &u->source->sample_spec);
chunk.memblock = u->memchunk.memblock;
chunk.index = u->peek_index;
chunk.length = PA_MIN(u->memchunk.length - u->peek_index, k);
chunk = u->memchunk;
chunk.index += u->peek_index;
chunk.length = PA_MIN(chunk.length - u->peek_index, k);
pa_log_debug("posting %lu", (unsigned long) chunk.length);
/* pa_log_debug("posting %lu", (unsigned long) chunk.length); */
pa_source_post(u->source, &chunk);
u->peek_index += chunk.length;
@ -216,9 +216,6 @@ int pa__init(pa_module*m) {
pa_source_new_data data;
uint32_t frequency;
pa_sample_spec ss;
void *p;
unsigned n, d;
size_t l;
pa_assert(m);
@ -249,24 +246,7 @@ int pa__init(pa_module*m) {
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
u->peek_index = 0;
pa_memchunk_reset(&u->memchunk);
n = ss.rate;
d = frequency;
pa_reduce(&n, &d);
l = pa_mempool_block_size_max(m->core->mempool) / pa_frame_size(&ss);
l /= n;
if (l <= 0) l = 1;
l *= n;
u->memchunk.length = l * pa_frame_size(&ss);
u->memchunk.memblock = pa_memblock_new(m->core->mempool, u->memchunk.length);
p = pa_memblock_acquire(u->memchunk.memblock);
calc_sine(p, u->memchunk.length, pa_bytes_to_usec(u->memchunk.length, &ss) * frequency / PA_USEC_PER_SEC);
pa_memblock_release(u->memchunk.memblock);
pa_memchunk_sine(&u->memchunk, m->core->mempool, ss.rate, frequency);
pa_source_new_data_init(&data);
data.driver = __FILE__;