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/* $Id$ */
/***
This file is part of PulseAudio.
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
PulseAudio 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 Lesser General Public License
along with PulseAudio; 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 <getopt.h>
#include <locale.h>
#include <sndfile.h>
#include <pulse/pulseaudio.h>
#if PA_API_VERSION < 9
#error Invalid PulseAudio API version
#endif
static pa_context *context = NULL;
static pa_stream *stream = NULL;
static pa_mainloop_api *mainloop_api = NULL;
static char *stream_name = NULL, *client_name = NULL, *device = NULL;
static int verbose = 0;
static pa_volume_t volume = PA_VOLUME_NORM;
static SNDFILE* sndfile = NULL;
static pa_sample_spec sample_spec = { 0, 0, 0 };
static pa_channel_map channel_map;
static int channel_map_set = 0;
static sf_count_t (*readf_function)(SNDFILE *_sndfile, void *ptr, sf_count_t frames) = NULL;
/* A shortcut for terminating the application */
static void quit(int ret) {
assert(mainloop_api);
mainloop_api->quit(mainloop_api, ret);
}
/* Connection draining complete */
static void context_drain_complete(pa_context*c, void *userdata) {
pa_context_disconnect(c);
}
/* Stream draining complete */
static void stream_drain_complete(pa_stream*s, int success, void *userdata) {
pa_operation *o;
if (!success) {
fprintf(stderr, "Failed to drain stream: %s\n", pa_strerror(pa_context_errno(context)));
quit(1);
}
if (verbose)
fprintf(stderr, "Playback stream drained.\n");
pa_stream_disconnect(stream);
pa_stream_unref(stream);
stream = NULL;
if (!(o = pa_context_drain(context, context_drain_complete, NULL)))
pa_context_disconnect(context);
else {
pa_operation_unref(o);
if (verbose)
fprintf(stderr, "Draining connection to server.\n");
}
}
/* This is called whenever new data may be written to the stream */
static void stream_write_callback(pa_stream *s, size_t length, void *userdata) {
sf_count_t bytes;
void *data;
assert(s && length);
if (!sndfile)
return;
data = pa_xmalloc(length);
if (readf_function) {
size_t k = pa_frame_size(&sample_spec);
if ((bytes = readf_function(sndfile, data, length/k)) > 0)
bytes *= k;
} else
bytes = sf_read_raw(sndfile, data, length);
if (bytes > 0)
pa_stream_write(s, data, bytes, pa_xfree, 0, PA_SEEK_RELATIVE);
else
pa_xfree(data);
if (bytes < length) {
sf_close(sndfile);
sndfile = NULL;
pa_operation_unref(pa_stream_drain(s, stream_drain_complete, NULL));
}
}
/* This routine is called whenever the stream state changes */
static void stream_state_callback(pa_stream *s, void *userdata) {
assert(s);
switch (pa_stream_get_state(s)) {
case PA_STREAM_CREATING:
case PA_STREAM_TERMINATED:
break;
case PA_STREAM_READY:
if (verbose)
fprintf(stderr, "Stream successfully created\n");
break;
case PA_STREAM_FAILED:
default:
fprintf(stderr, "Stream errror: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
quit(1);
}
}
/* This is called whenever the context status changes */
static void context_state_callback(pa_context *c, void *userdata) {
assert(c);
switch (pa_context_get_state(c)) {
case PA_CONTEXT_CONNECTING:
case PA_CONTEXT_AUTHORIZING:
case PA_CONTEXT_SETTING_NAME:
break;
case PA_CONTEXT_READY: {
pa_cvolume cv;
assert(c && !stream);
if (verbose)
fprintf(stderr, "Connection established.\n");
stream = pa_stream_new(c, stream_name, &sample_spec, channel_map_set ? &channel_map : NULL);
assert(stream);
pa_stream_set_state_callback(stream, stream_state_callback, NULL);
pa_stream_set_write_callback(stream, stream_write_callback, NULL);
pa_stream_connect_playback(stream, device, NULL, 0, pa_cvolume_set(&cv, sample_spec.channels, volume), NULL);
break;
}
case PA_CONTEXT_TERMINATED:
quit(0);
break;
case PA_CONTEXT_FAILED:
default:
fprintf(stderr, "Connection failure: %s\n", pa_strerror(pa_context_errno(c)));
quit(1);
}
}
/* UNIX signal to quit recieved */
static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
if (verbose)
fprintf(stderr, "Got SIGINT, exiting.\n");
quit(0);
}
static void help(const char *argv0) {
printf("%s [options] [FILE]\n\n"
" -h, --help Show this help\n"
" --version Show version\n\n"
" -v, --verbose Enable verbose operations\n\n"
" -s, --server=SERVER The name of the server to connect to\n"
" -d, --device=DEVICE The name of the sink/source to connect to\n"
" -n, --client-name=NAME How to call this client on the server\n"
" --stream-name=NAME How to call this stream on the server\n"
" --volume=VOLUME Specify the initial (linear) volume in range 0...65536\n"
" --channel-map=CHANNELMAP Set the channel map to the use\n",
argv0);
}
enum {
ARG_VERSION = 256,
ARG_STREAM_NAME,
ARG_VOLUME,
ARG_CHANNELMAP
};
int main(int argc, char *argv[]) {
pa_mainloop* m = NULL;
int ret = 1, r, c;
char *bn, *server = NULL;
const char *filename;
SF_INFO sfinfo;
static const struct option long_options[] = {
{"device", 1, NULL, 'd'},
{"server", 1, NULL, 's'},
{"client-name", 1, NULL, 'n'},
{"stream-name", 1, NULL, ARG_STREAM_NAME},
{"version", 0, NULL, ARG_VERSION},
{"help", 0, NULL, 'h'},
{"verbose", 0, NULL, 'v'},
{"volume", 1, NULL, ARG_VOLUME},
{"channel-map", 1, NULL, ARG_CHANNELMAP},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
if (!(bn = strrchr(argv[0], '/')))
bn = argv[0];
else
bn++;
while ((c = getopt_long(argc, argv, "d:s:n:hv", long_options, NULL)) != -1) {
switch (c) {
case 'h' :
help(bn);
ret = 0;
goto quit;
case ARG_VERSION:
printf("paplay "PACKAGE_VERSION"\nCompiled with libpulse %s\nLinked with libpulse %s\n", pa_get_headers_version(), pa_get_library_version());
ret = 0;
goto quit;
case 'd':
pa_xfree(device);
device = pa_xstrdup(optarg);
break;
case 's':
pa_xfree(server);
server = pa_xstrdup(optarg);
break;
case 'n':
pa_xfree(client_name);
client_name = pa_xstrdup(optarg);
break;
case ARG_STREAM_NAME:
pa_xfree(stream_name);
stream_name = pa_xstrdup(optarg);
break;
case 'v':
verbose = 1;
break;
case ARG_VOLUME: {
int v = atoi(optarg);
volume = v < 0 ? 0 : v;
break;
}
case ARG_CHANNELMAP:
if (!pa_channel_map_parse(&channel_map, optarg)) {
fprintf(stderr, "Invalid channel map\n");
goto quit;
}
channel_map_set = 1;
break;
default:
goto quit;
}
}
filename = optind < argc ? argv[optind] : "STDIN";
memset(&sfinfo, 0, sizeof(sfinfo));
if (optind < argc)
sndfile = sf_open(filename, SFM_READ, &sfinfo);
else
sndfile = sf_open_fd(STDIN_FILENO, SFM_READ, &sfinfo, 0);
if (!sndfile) {
fprintf(stderr, "Failed to open file '%s'\n", filename);
goto quit;
}
sample_spec.rate = sfinfo.samplerate;
sample_spec.channels = sfinfo.channels;
readf_function = NULL;
switch (sfinfo.format & 0xFF) {
case SF_FORMAT_PCM_16:
case SF_FORMAT_PCM_U8:
case SF_FORMAT_PCM_S8:
sample_spec.format = PA_SAMPLE_S16NE;
readf_function = (sf_count_t (*)(SNDFILE *_sndfile, void *ptr, sf_count_t frames)) sf_readf_short;
break;
case SF_FORMAT_ULAW:
sample_spec.format = PA_SAMPLE_ULAW;
break;
case SF_FORMAT_ALAW:
sample_spec.format = PA_SAMPLE_ALAW;
break;
case SF_FORMAT_FLOAT:
case SF_FORMAT_DOUBLE:
default:
sample_spec.format = PA_SAMPLE_FLOAT32NE;
readf_function = (sf_count_t (*)(SNDFILE *_sndfile, void *ptr, sf_count_t frames)) sf_readf_float;
break;
}
assert(pa_sample_spec_valid(&sample_spec));
if (channel_map_set && channel_map.channels != sample_spec.channels) {
fprintf(stderr, "Channel map doesn't match file.\n");
goto quit;
}
if (!client_name) {
client_name = pa_locale_to_utf8(bn);
if (!client_name)
client_name = pa_utf8_filter(bn);
}
if (!stream_name) {
const char *n;
n = sf_get_string(sndfile, SF_STR_TITLE);
if (!n)
n = filename;
stream_name = pa_locale_to_utf8(n);
if (!stream_name)
stream_name = pa_utf8_filter(n);
}
if (verbose) {
char t[PA_SAMPLE_SPEC_SNPRINT_MAX];
pa_sample_spec_snprint(t, sizeof(t), &sample_spec);
fprintf(stderr, "Using sample spec '%s'\n", t);
}
/* Set up a new main loop */
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_new(SIGINT, exit_signal_callback, NULL);
#ifdef SIGPIPE
signal(SIGPIPE, SIG_IGN);
#endif
/* Create a new connection context */
if (!(context = pa_context_new(mainloop_api, client_name))) {
fprintf(stderr, "pa_context_new() failed.\n");
goto quit;
}
pa_context_set_state_callback(context, context_state_callback, NULL);
/* Connect the context */
pa_context_connect(context, server, 0, NULL);
/* Run the main loop */
if (pa_mainloop_run(m, &ret) < 0) {
fprintf(stderr, "pa_mainloop_run() failed.\n");
goto quit;
}
quit:
if (stream)
pa_stream_unref(stream);
if (context)
pa_context_unref(context);
if (m) {
pa_signal_done();
pa_mainloop_free(m);
}
pa_xfree(server);
pa_xfree(device);
pa_xfree(client_name);
pa_xfree(stream_name);
if (sndfile)
sf_close(sndfile);
return ret;
}
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