merge 'lennart' branch back into trunk.

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

View file

@ -28,7 +28,6 @@
#include <stdlib.h>
#include <sys/stat.h>
#include <stdio.h>
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
@ -38,12 +37,17 @@
#include <pulse/timeval.h>
#include <pulse/xmalloc.h>
#include <pulsecore/iochannel.h>
#include <pulsecore/macro.h>
#include <pulsecore/sink.h>
#include <pulsecore/module.h>
#include <pulsecore/core-util.h>
#include <pulsecore/core-error.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
#include <pulsecore/thread.h>
#include <pulsecore/thread-mq.h>
#include <pulsecore/rtpoll.h>
#include <pulsecore/rtclock.h>
#include "module-null-sink-symdef.h"
@ -64,11 +68,14 @@ struct userdata {
pa_core *core;
pa_module *module;
pa_sink *sink;
pa_time_event *time_event;
pa_thread *thread;
pa_thread_mq thread_mq;
pa_rtpoll *rtpoll;
size_t block_size;
uint64_t n_bytes;
struct timeval start_time;
struct timeval timestamp;
};
static const char* const valid_modargs[] = {
@ -81,78 +88,132 @@ static const char* const valid_modargs[] = {
NULL
};
static void time_callback(pa_mainloop_api *m, pa_time_event*e, const struct timeval *tv, void *userdata) {
static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SINK(o)->userdata;
switch (code) {
case PA_SINK_MESSAGE_SET_STATE:
if (PA_PTR_TO_UINT(data) == PA_SINK_RUNNING)
pa_rtclock_get(&u->timestamp);
break;
case PA_SINK_MESSAGE_GET_LATENCY: {
struct timeval now;
pa_rtclock_get(&now);
if (pa_timeval_cmp(&u->timestamp, &now) > 0)
*((pa_usec_t*) data) = 0;
else
*((pa_usec_t*) data) = pa_timeval_diff(&u->timestamp, &now);
break;
}
}
return pa_sink_process_msg(o, code, data, offset, chunk);
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
pa_memchunk chunk;
struct timeval ntv = *tv;
size_t l;
assert(u);
pa_assert(u);
if (pa_sink_render(u->sink, u->block_size, &chunk) >= 0) {
l = chunk.length;
pa_memblock_unref(chunk.memblock);
} else
l = u->block_size;
pa_log_debug("Thread starting up");
pa_timeval_add(&ntv, pa_bytes_to_usec(l, &u->sink->sample_spec));
m->time_restart(e, &ntv);
pa_thread_mq_install(&u->thread_mq);
pa_rtpoll_install(u->rtpoll);
u->n_bytes += l;
pa_rtclock_get(&u->timestamp);
for (;;) {
int ret;
/* Render some data and drop it immediately */
if (u->sink->thread_info.state == PA_SINK_RUNNING) {
struct timeval now;
pa_rtclock_get(&now);
if (pa_timeval_cmp(&u->timestamp, &now) <= 0) {
pa_sink_skip(u->sink, u->block_size);
pa_timeval_add(&u->timestamp, pa_bytes_to_usec(u->block_size, &u->sink->sample_spec));
}
pa_rtpoll_set_timer_absolute(u->rtpoll, &u->timestamp);
} else
pa_rtpoll_set_timer_disabled(u->rtpoll);
/* Hmm, nothing to do. Let's sleep */
if ((ret = pa_rtpoll_run(u->rtpoll, 1)) < 0)
goto fail;
if (ret == 0)
goto finish;
}
fail:
/* If this was no regular exit from the loop we have to continue
* processing messages until we received PA_MESSAGE_SHUTDOWN */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down");
}
static pa_usec_t get_latency(pa_sink *s) {
struct userdata *u = s->userdata;
pa_usec_t a, b;
struct timeval now;
a = pa_timeval_diff(pa_gettimeofday(&now), &u->start_time);
b = pa_bytes_to_usec(u->n_bytes, &s->sample_spec);
return b > a ? b - a : 0;
}
int pa__init(pa_core *c, pa_module*m) {
int pa__init(pa_module*m) {
struct userdata *u = NULL;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma = NULL;
assert(c);
assert(m);
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("failed to parse module arguments.");
pa_log("Failed to parse module arguments.");
goto fail;
}
ss = c->default_sample_spec;
ss = m->core->default_sample_spec;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("invalid sample format specification or channel map.");
pa_log("Invalid sample format specification or channel map");
goto fail;
}
u = pa_xnew0(struct userdata, 1);
u->core = c;
u->core = m->core;
u->module = m;
m->userdata = u;
pa_thread_mq_init(&u->thread_mq, m->core->mainloop);
u->rtpoll = pa_rtpoll_new();
pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq);
if (!(u->sink = pa_sink_new(c, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map))) {
pa_log("failed to create sink.");
if (!(u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map))) {
pa_log("Failed to create sink.");
goto fail;
}
u->sink->get_latency = get_latency;
u->sink->parent.process_msg = sink_process_msg;
u->sink->userdata = u;
pa_sink_set_owner(u->sink, m);
u->sink->flags = PA_SINK_LATENCY;
pa_sink_set_module(u->sink, m);
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
pa_sink_set_description(u->sink, pa_modargs_get_value(ma, "description", "NULL sink"));
u->n_bytes = 0;
pa_gettimeofday(&u->start_time);
u->block_size = pa_bytes_per_second(&ss) / 20; /* 50 ms */
if (u->block_size <= 0)
u->block_size = pa_frame_size(&ss);
u->time_event = c->mainloop->time_new(c->mainloop, &u->start_time, time_callback, u);
if (!(u->thread = pa_thread_new(thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;
}
u->block_size = pa_bytes_per_second(&ss) / 10;
pa_sink_put(u->sink);
pa_modargs_free(ma);
@ -162,22 +223,34 @@ 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) {
void pa__done(pa_module*m) {
struct userdata *u;
assert(c && m);
pa_assert(m);
if (!(u = m->userdata))
return;
pa_sink_disconnect(u->sink);
pa_sink_unref(u->sink);
if (u->sink)
pa_sink_unlink(u->sink);
u->core->mainloop->time_free(u->time_event);
if (u->thread) {
pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
pa_thread_free(u->thread);
}
pa_thread_mq_done(&u->thread_mq);
if (u->sink)
pa_sink_unref(u->sink);
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
pa_xfree(u);
}