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add a "length" argument to the seek functions, as an optimization to request a certain block size if any data needs to be generated. this is merely a hint.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1833 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-09-16 22:00:38 +00:00
parent 5df7a85473
commit 1d1eda6059
11 changed files with 94 additions and 50 deletions
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8
src/modules/module-combine.c
View file

@ -275,7 +275,7 @@ finish:
pa_log_debug("Thread shutting down");
}
static void request_memblock(struct output *o) {
static void request_memblock(struct output *o, size_t length) {
pa_memchunk chunk;
pa_assert(o);
@ -306,7 +306,7 @@ static void request_memblock(struct output *o) {
struct output *j;
/* Do it! */
pa_sink_render(o->userdata->sink, o->userdata->block_size, &chunk);
pa_sink_render(o->userdata->sink, length, &chunk);
/* OK, let's send this data to the other threads */
for (j = o->userdata->thread_info.outputs; j; j = j->next)
@ -323,7 +323,7 @@ static void request_memblock(struct output *o) {
}
/* Called from I/O thread context */
static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk) {
static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) {
struct output *o;
pa_sink_input_assert_ref(i);
@ -331,7 +331,7 @@ static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk) {
pa_assert(o);
/* If necessary, get some new data */
request_memblock(o);
request_memblock(o, length);
return pa_memblockq_peek(o->memblockq, chunk);
}

2
src/modules/module-sine.c
View file

@ -58,7 +58,7 @@ static const char* const valid_modargs[] = {
NULL,
};
static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk) {
static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) {
struct userdata *u;
pa_assert(i);