mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-01 22:58:47 -04:00
rename src to polyp
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering
parent
563201e128
commit
41f6aea8fd
125 changed files with 0 additions and 0 deletions
336
polyp/pacat.c
Normal file
336
polyp/pacat.c
Normal file
|
|
@ -0,0 +1,336 @@
|
|||
/* $Id$ */
|
||||
|
||||
/***
|
||||
This file is part of polypaudio.
|
||||
|
||||
polypaudio is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published
|
||||
by the Free Software Foundation; either version 2 of the License,
|
||||
or (at your option) any later version.
|
||||
|
||||
polypaudio 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 General Public License
|
||||
along with polypaudio; 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 <signal.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <assert.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "polyplib.h"
|
||||
#include "polyplib-error.h"
|
||||
#include "mainloop.h"
|
||||
#include "mainloop-signal.h"
|
||||
|
||||
static enum { RECORD, PLAYBACK } mode = PLAYBACK;
|
||||
|
||||
static struct pa_context *context = NULL;
|
||||
static struct pa_stream *stream = NULL;
|
||||
static struct pa_mainloop_api *mainloop_api = NULL;
|
||||
|
||||
static void *buffer = NULL;
|
||||
static size_t buffer_length = 0, buffer_index = 0;
|
||||
|
||||
static void* stdio_source = NULL;
|
||||
|
||||
static void quit(int ret) {
|
||||
assert(mainloop_api);
|
||||
mainloop_api->quit(mainloop_api, ret);
|
||||
}
|
||||
|
||||
static void context_die_callback(struct pa_context *c, void *userdata) {
|
||||
assert(c);
|
||||
fprintf(stderr, "Connection to server shut down, exiting.\n");
|
||||
quit(1);
|
||||
}
|
||||
|
||||
static void stream_die_callback(struct pa_stream *s, void *userdata) {
|
||||
assert(s);
|
||||
fprintf(stderr, "Stream deleted, exiting.\n");
|
||||
quit(1);
|
||||
}
|
||||
|
||||
static void do_stream_write(size_t length) {
|
||||
size_t l;
|
||||
assert(length);
|
||||
|
||||
if (!buffer || !buffer_length)
|
||||
return;
|
||||
|
||||
l = length;
|
||||
if (l > buffer_length)
|
||||
l = buffer_length;
|
||||
|
||||
pa_stream_write(stream, buffer+buffer_index, l);
|
||||
buffer_length -= l;
|
||||
buffer_index += l;
|
||||
|
||||
if (!buffer_length) {
|
||||
free(buffer);
|
||||
buffer = NULL;
|
||||
buffer_index = buffer_length = 0;
|
||||
}
|
||||
}
|
||||
|
||||
static void stream_write_callback(struct pa_stream *s, size_t length, void *userdata) {
|
||||
assert(s && length);
|
||||
|
||||
if (stdio_source)
|
||||
mainloop_api->enable_io(mainloop_api, stdio_source, PA_MAINLOOP_API_IO_EVENT_INPUT);
|
||||
|
||||
if (!buffer)
|
||||
return;
|
||||
|
||||
do_stream_write(length);
|
||||
}
|
||||
|
||||
static void stream_read_callback(struct pa_stream *s, const void*data, size_t length, void *userdata) {
|
||||
assert(s && data && length);
|
||||
|
||||
if (stdio_source)
|
||||
mainloop_api->enable_io(mainloop_api, stdio_source, PA_MAINLOOP_API_IO_EVENT_OUTPUT);
|
||||
|
||||
if (buffer) {
|
||||
fprintf(stderr, "Buffer overrrun, dropping incoming data\n");
|
||||
return;
|
||||
}
|
||||
|
||||
buffer = malloc(buffer_length = length);
|
||||
assert(buffer);
|
||||
memcpy(buffer, data, length);
|
||||
buffer_index = 0;
|
||||
}
|
||||
|
||||
static void stream_complete_callback(struct pa_stream*s, int success, void *userdata) {
|
||||
assert(s);
|
||||
|
||||
if (!success) {
|
||||
fprintf(stderr, "Stream creation failed: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
|
||||
quit(1);
|
||||
return;
|
||||
}
|
||||
|
||||
fprintf(stderr, "Stream created.\n");
|
||||
}
|
||||
|
||||
static void context_complete_callback(struct pa_context *c, int success, void *userdata) {
|
||||
static const struct pa_sample_spec ss = {
|
||||
.format = PA_SAMPLE_S16LE,
|
||||
.rate = 44100,
|
||||
.channels = 2
|
||||
};
|
||||
|
||||
assert(c && !stream);
|
||||
|
||||
if (!success) {
|
||||
fprintf(stderr, "Connection failed: %s\n", pa_strerror(pa_context_errno(c)));
|
||||
goto fail;
|
||||
}
|
||||
|
||||
fprintf(stderr, "Connection established.\n");
|
||||
|
||||
if (!(stream = pa_stream_new(c, mode == PLAYBACK ? PA_STREAM_PLAYBACK : PA_STREAM_RECORD, NULL, "pacat", &ss, NULL, stream_complete_callback, NULL))) {
|
||||
fprintf(stderr, "pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(c)));
|
||||
goto fail;
|
||||
}
|
||||
|
||||
pa_stream_set_die_callback(stream, stream_die_callback, NULL);
|
||||
pa_stream_set_write_callback(stream, stream_write_callback, NULL);
|
||||
pa_stream_set_read_callback(stream, stream_read_callback, NULL);
|
||||
|
||||
return;
|
||||
|
||||
fail:
|
||||
quit(1);
|
||||
}
|
||||
|
||||
static void context_drain_complete(struct pa_context*c, void *userdata) {
|
||||
quit(0);
|
||||
}
|
||||
|
||||
static void stream_drain_complete(struct pa_stream*s, void *userdata) {
|
||||
fprintf(stderr, "Playback stream drained.\n");
|
||||
|
||||
pa_stream_free(stream);
|
||||
stream = NULL;
|
||||
|
||||
if (pa_context_drain(context, context_drain_complete, NULL) < 0)
|
||||
quit(0);
|
||||
else
|
||||
fprintf(stderr, "Draining connection to server.\n");
|
||||
}
|
||||
|
||||
static void stdin_callback(struct pa_mainloop_api*a, void *id, int fd, enum pa_mainloop_api_io_events events, void *userdata) {
|
||||
size_t l, w = 0;
|
||||
ssize_t r;
|
||||
assert(a == mainloop_api && id && stdio_source == id);
|
||||
|
||||
if (buffer) {
|
||||
mainloop_api->enable_io(mainloop_api, stdio_source, PA_MAINLOOP_API_IO_EVENT_NULL);
|
||||
return;
|
||||
}
|
||||
|
||||
if (!stream || !pa_stream_is_ready(stream) || !(l = w = pa_stream_writable_size(stream)))
|
||||
l = 4096;
|
||||
|
||||
buffer = malloc(l);
|
||||
assert(buffer);
|
||||
if ((r = read(fd, buffer, l)) <= 0) {
|
||||
if (r == 0) {
|
||||
fprintf(stderr, "Got EOF.\n");
|
||||
pa_stream_drain(stream, stream_drain_complete, NULL);
|
||||
} else {
|
||||
fprintf(stderr, "read() failed: %s\n", strerror(errno));
|
||||
quit(1);
|
||||
}
|
||||
|
||||
mainloop_api->cancel_io(mainloop_api, stdio_source);
|
||||
stdio_source = NULL;
|
||||
return;
|
||||
}
|
||||
|
||||
buffer_length = r;
|
||||
buffer_index = 0;
|
||||
|
||||
if (w)
|
||||
do_stream_write(w);
|
||||
}
|
||||
|
||||
static void stdout_callback(struct pa_mainloop_api*a, void *id, int fd, enum pa_mainloop_api_io_events events, void *userdata) {
|
||||
ssize_t r;
|
||||
assert(a == mainloop_api && id && stdio_source == id);
|
||||
|
||||
if (!buffer) {
|
||||
mainloop_api->enable_io(mainloop_api, stdio_source, PA_MAINLOOP_API_IO_EVENT_NULL);
|
||||
return;
|
||||
}
|
||||
|
||||
assert(buffer_length);
|
||||
|
||||
if ((r = write(fd, buffer+buffer_index, buffer_length)) <= 0) {
|
||||
fprintf(stderr, "write() failed: %s\n", strerror(errno));
|
||||
quit(1);
|
||||
|
||||
mainloop_api->cancel_io(mainloop_api, stdio_source);
|
||||
stdio_source = NULL;
|
||||
return;
|
||||
}
|
||||
|
||||
buffer_length -= r;
|
||||
buffer_index += r;
|
||||
|
||||
if (!buffer_length) {
|
||||
free(buffer);
|
||||
buffer = NULL;
|
||||
buffer_length = buffer_index = 0;
|
||||
}
|
||||
}
|
||||
|
||||
static void exit_signal_callback(void *id, int sig, void *userdata) {
|
||||
fprintf(stderr, "Got SIGINT, exiting.\n");
|
||||
quit(0);
|
||||
|
||||
}
|
||||
|
||||
static void stream_get_latency_callback(struct pa_stream *s, uint32_t latency, void *userdata) {
|
||||
assert(s);
|
||||
|
||||
if (latency == (uint32_t) -1) {
|
||||
fprintf(stderr, "Failed to get latency: %s\n", strerror(errno));
|
||||
quit(1);
|
||||
return;
|
||||
}
|
||||
|
||||
fprintf(stderr, "Current latency is %u usecs.\n", latency);
|
||||
}
|
||||
|
||||
static void sigusr1_signal_callback(void *id, int sig, void *userdata) {
|
||||
if (mode == PLAYBACK) {
|
||||
fprintf(stderr, "Got SIGUSR1, requesting latency.\n");
|
||||
pa_stream_get_latency(stream, stream_get_latency_callback, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
struct pa_mainloop* m = NULL;
|
||||
int ret = 1, r;
|
||||
char *bn;
|
||||
|
||||
if (!(bn = strrchr(argv[0], '/')))
|
||||
bn = argv[0];
|
||||
|
||||
if (strstr(bn, "rec") || strstr(bn, "mon"))
|
||||
mode = RECORD;
|
||||
else if (strstr(bn, "cat") || strstr(bn, "play"))
|
||||
mode = PLAYBACK;
|
||||
|
||||
fprintf(stderr, "Opening a %s stream.\n", mode == RECORD ? "recording" : "playback");
|
||||
|
||||
if (!(m = pa_mainloop_new())) {
|
||||
fprintf(stderr, "pa_mainloop_new() failed.\n");
|
||||
goto quit;
|
||||
}
|
||||
|
||||
mainloop_api = pa_mainloop_get_api(m);
|
||||
|
||||
r = pa_signal_init(mainloop_api);
|
||||
assert(r == 0);
|
||||
pa_signal_register(SIGINT, exit_signal_callback, NULL);
|
||||
pa_signal_register(SIGUSR1, sigusr1_signal_callback, NULL);
|
||||
signal(SIGPIPE, SIG_IGN);
|
||||
|
||||
if (!(stdio_source = mainloop_api->source_io(mainloop_api,
|
||||
mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO,
|
||||
mode == PLAYBACK ? PA_MAINLOOP_API_IO_EVENT_INPUT : PA_MAINLOOP_API_IO_EVENT_OUTPUT,
|
||||
mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) {
|
||||
fprintf(stderr, "source_io() failed.\n");
|
||||
goto quit;
|
||||
}
|
||||
|
||||
if (!(context = pa_context_new(mainloop_api, argv[0]))) {
|
||||
fprintf(stderr, "pa_context_new() failed.\n");
|
||||
goto quit;
|
||||
}
|
||||
|
||||
if (pa_context_connect(context, NULL, context_complete_callback, NULL) < 0) {
|
||||
fprintf(stderr, "pa_context_connext() failed.\n");
|
||||
goto quit;
|
||||
}
|
||||
|
||||
pa_context_set_die_callback(context, context_die_callback, NULL);
|
||||
|
||||
if (pa_mainloop_run(m, &ret) < 0) {
|
||||
fprintf(stderr, "pa_mainloop_run() failed.\n");
|
||||
goto quit;
|
||||
}
|
||||
|
||||
quit:
|
||||
if (stream)
|
||||
pa_stream_free(stream);
|
||||
if (context)
|
||||
pa_context_free(context);
|
||||
|
||||
if (m) {
|
||||
pa_signal_done();
|
||||
pa_mainloop_free(m);
|
||||
}
|
||||
|
||||
if (buffer)
|
||||
free(buffer);
|
||||
|
||||
return ret;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue