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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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83
src/modules/module-sine.c
View file

@ -26,7 +26,6 @@
#endif
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include <pulse/xmalloc.h>
@ -36,6 +35,7 @@
#include <pulsecore/modargs.h>
#include <pulsecore/namereg.h>
#include <pulsecore/log.h>
#include <pulsecore/core-util.h>
#include "module-sine-symdef.h"
@ -58,36 +58,46 @@ static const char* const valid_modargs[] = {
NULL,
};
static int sink_input_peek(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;
assert(i && chunk && i->userdata);
pa_assert(i);
u = i->userdata;
pa_assert(u);
pa_assert(chunk);
chunk->memblock = pa_memblock_ref(u->memblock);
chunk->index = u->peek_index;
chunk->length = u->memblock->length - u->peek_index;
chunk->length = pa_memblock_get_length(u->memblock) - u->peek_index;
return 0;
}
static void sink_input_drop(pa_sink_input *i, const pa_memchunk *chunk, size_t length) {
static void sink_input_drop_cb(pa_sink_input *i, size_t length) {
struct userdata *u;
assert(i && chunk && length && i->userdata);
u = i->userdata;
size_t l;
assert(chunk->memblock == u->memblock && length <= u->memblock->length-u->peek_index);
pa_assert(i);
u = i->userdata;
pa_assert(u);
pa_assert(length > 0);
u->peek_index += length;
if (u->peek_index >= u->memblock->length)
u->peek_index = 0;
l = pa_memblock_get_length(u->memblock);
while (u->peek_index >= l)
u->peek_index -= l;
}
static void sink_input_kill(pa_sink_input *i) {
static void sink_input_kill_cb(pa_sink_input *i) {
struct userdata *u;
assert(i && i->userdata);
u = i->userdata;
pa_sink_input_disconnect(u->sink_input);
pa_assert(i);
u = i->userdata;
pa_assert(u);
pa_sink_input_unlink(u->sink_input);
pa_sink_input_unref(u->sink_input);
u->sink_input = NULL;
@ -103,14 +113,14 @@ static void calc_sine(float *f, size_t l, float freq) {
f[i] = (float) sin((double) i/l*M_PI*2*freq)/2;
}
int pa__init(pa_core *c, pa_module*m) {
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u;
pa_sink *sink;
const char *sink_name;
pa_sample_spec ss;
uint32_t frequency;
char t[256];
void *p;
pa_sink_input_new_data data;
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
@ -118,15 +128,14 @@ int pa__init(pa_core *c, pa_module*m) {
goto fail;
}
m->userdata = u = pa_xmalloc(sizeof(struct userdata));
u->core = c;
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->sink_input = NULL;
u->memblock = NULL;
u->peek_index = 0;
sink_name = pa_modargs_get_value(ma, "sink", NULL);
if (!(sink = pa_namereg_get(c, sink_name, PA_NAMEREG_SINK, 1))) {
if (!(sink = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink", NULL), PA_NAMEREG_SINK, 1))) {
pa_log("No such sink.");
goto fail;
}
@ -141,10 +150,12 @@ int pa__init(pa_core *c, pa_module*m) {
goto fail;
}
u->memblock = pa_memblock_new(c->mempool, pa_bytes_per_second(&ss));
calc_sine(u->memblock->data, u->memblock->length, frequency);
u->memblock = pa_memblock_new(m->core->mempool, pa_bytes_per_second(&ss));
p = pa_memblock_acquire(u->memblock);
calc_sine(p, pa_memblock_get_length(u->memblock), frequency);
pa_memblock_release(u->memblock);
snprintf(t, sizeof(t), "Sine Generator at %u Hz", frequency);
pa_snprintf(t, sizeof(t), "Sine Generator at %u Hz", frequency);
pa_sink_input_new_data_init(&data);
data.sink = sink;
@ -153,15 +164,15 @@ int pa__init(pa_core *c, pa_module*m) {
pa_sink_input_new_data_set_sample_spec(&data, &ss);
data.module = m;
if (!(u->sink_input = pa_sink_input_new(c, &data, 0)))
if (!(u->sink_input = pa_sink_input_new(m->core, &data, 0)))
goto fail;
u->sink_input->peek = sink_input_peek;
u->sink_input->drop = sink_input_drop;
u->sink_input->kill = sink_input_kill;
u->sink_input->peek = sink_input_peek_cb;
u->sink_input->drop = sink_input_drop_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->userdata = u;
u->peek_index = 0;
pa_sink_input_put(u->sink_input);
pa_modargs_free(ma);
return 0;
@ -170,24 +181,26 @@ fail:
if (ma)
pa_modargs_free(ma);
pa__done(c, m);
pa__done(m);
return -1;
}
void pa__done(pa_core *c, pa_module*m) {
struct userdata *u = m->userdata;
assert(c && m);
void pa__done(pa_module*m) {
struct userdata *u;
if (!u)
pa_assert(m);
if (!(u = m->userdata))
return;
if (u->sink_input) {
pa_sink_input_disconnect(u->sink_input);
pa_sink_input_unlink(u->sink_input);
pa_sink_input_unref(u->sink_input);
}
if (u->memblock)
pa_memblock_unref(u->memblock);
pa_xfree(u);
}