+++ /dev/null
-/* $Id$ */
-
-/***
- This file is part of polypaudio.
-
- polypaudio is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser 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 Lesser 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 <getopt.h>
-
-#include <polyp/polyplib.h>
-#include <polyp/polyplib-error.h>
-#include <polyp/mainloop.h>
-#include <polyp/mainloop-signal.h>
-#include <polyp/polyplib-version.h>
-
-#if PA_API_VERSION != 8
-#error Invalid Polypaudio API version
-#endif
-
-static enum { RECORD, PLAYBACK } mode = PLAYBACK;
-
-static pa_context *context = NULL;
-static pa_stream *stream = NULL;
-static pa_mainloop_api *mainloop_api = NULL;
-
-static void *buffer = NULL;
-static size_t buffer_length = 0, buffer_index = 0;
-
-static pa_io_event* stdio_event = NULL;
-
-static char *stream_name = NULL, *client_name = NULL, *device = NULL;
-
-static int verbose = 0;
-static pa_volume_t volume = PA_VOLUME_NORM;
-
-static pa_sample_spec sample_spec = {
- .format = PA_SAMPLE_S16LE,
- .rate = 44100,
- .channels = 2
-};
-
-/* A shortcut for terminating the application */
-static void quit(int ret) {
- assert(mainloop_api);
- mainloop_api->quit(mainloop_api, ret);
-}
-
-/* Write some data to the stream */
-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, (uint8_t*) buffer + buffer_index, l, NULL, 0);
- buffer_length -= l;
- buffer_index += l;
-
- if (!buffer_length) {
- free(buffer);
- buffer = NULL;
- buffer_index = buffer_length = 0;
- }
-}
-
-/* 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) {
- assert(s && length);
-
- if (stdio_event)
- mainloop_api->io_enable(stdio_event, PA_IO_EVENT_INPUT);
-
- if (!buffer)
- return;
-
- do_stream_write(length);
-}
-
-/* This is called whenever new data may is available */
-static void stream_read_callback(pa_stream *s, const void*data, size_t length, void *userdata) {
- assert(s && data && length);
-
- if (stdio_event)
- mainloop_api->io_enable(stdio_event, PA_IO_EVENT_OUTPUT);
-
- if (buffer) {
- fprintf(stderr, "Buffer overrun, dropping incoming data\n");
- return;
- }
-
- buffer = malloc(buffer_length = length);
- assert(buffer);
- memcpy(buffer, data, length);
- buffer_index = 0;
-}
-
-/* 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 error: %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:
-
- assert(c && !stream);
-
- if (verbose)
- fprintf(stderr, "Connection established.\n");
-
- stream = pa_stream_new(c, stream_name, &sample_spec, 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_set_read_callback(stream, stream_read_callback, NULL);
-
- if (mode == PLAYBACK) {
- pa_cvolume cv;
- pa_stream_connect_playback(stream, device, NULL, 0, pa_cvolume_set(&cv, PA_CHANNELS_MAX, volume));
- } else
- pa_stream_connect_record(stream, device, NULL, 0);
-
- 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);
- }
-}
-
-/* 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");
- }
-}
-
-/* New data on STDIN **/
-static void stdin_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
- size_t l, w = 0;
- ssize_t r;
- assert(a == mainloop_api && e && stdio_event == e);
-
- if (buffer) {
- mainloop_api->io_enable(stdio_event, PA_IO_EVENT_NULL);
- return;
- }
-
- if (!stream || pa_stream_get_state(stream) != PA_STREAM_READY || !(l = w = pa_stream_writable_size(stream)))
- l = 4096;
-
- buffer = malloc(l);
- assert(buffer);
- if ((r = read(fd, buffer, l)) <= 0) {
- if (r == 0) {
- if (verbose)
- fprintf(stderr, "Got EOF.\n");
- pa_operation_unref(pa_stream_drain(stream, stream_drain_complete, NULL));
- } else {
- fprintf(stderr, "read() failed: %s\n", strerror(errno));
- quit(1);
- }
-
- mainloop_api->io_free(stdio_event);
- stdio_event = NULL;
- return;
- }
-
- buffer_length = r;
- buffer_index = 0;
-
- if (w)
- do_stream_write(w);
-}
-
-/* Some data may be written to STDOUT */
-static void stdout_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
- ssize_t r;
- assert(a == mainloop_api && e && stdio_event == e);
-
- if (!buffer) {
- mainloop_api->io_enable(stdio_event, PA_IO_EVENT_NULL);
- return;
- }
-
- assert(buffer_length);
-
- if ((r = write(fd, (uint8_t*) buffer+buffer_index, buffer_length)) <= 0) {
- fprintf(stderr, "write() failed: %s\n", strerror(errno));
- quit(1);
-
- mainloop_api->io_free(stdio_event);
- stdio_event = NULL;
- return;
- }
-
- buffer_length -= r;
- buffer_index += r;
-
- if (!buffer_length) {
- free(buffer);
- buffer = NULL;
- buffer_length = buffer_index = 0;
- }
-}
-
-/* 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 signal, exiting.\n");
- quit(0);
-
-}
-
-/* Show the current latency */
-static void stream_get_latency_callback(pa_stream *s, const pa_latency_info *i, void *userdata) {
- pa_usec_t total;
- int negative = 0;
- assert(s);
-
- if (!i) {
- fprintf(stderr, "Failed to get latency: %s\n", pa_strerror(pa_context_errno(context)));
- quit(1);
- return;
- }
-
- total = pa_stream_get_latency(s, i, &negative);
-
- fprintf(stderr, "Latency: buffer: %0.0f usec; sink: %0.0f usec; source: %0.0f usec; transport: %0.0f usec; total: %0.0f usec; synchronized clocks: %s.\n",
- (float) i->buffer_usec, (float) i->sink_usec, (float) i->source_usec, (float) i->transport_usec, (float) total * (negative?-1:1),
- i->synchronized_clocks ? "yes" : "no");
-}
-
-/* Someone requested that the latency is shown */
-static void sigusr1_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
- fprintf(stderr, "Got SIGUSR1, requesting latency.\n");
- pa_operation_unref(pa_stream_get_latency_info(stream, stream_get_latency_callback, NULL));
-}
-
-
-static void help(const char *argv0) {
-
- printf("%s [options]\n\n"
- " -h, --help Show this help\n"
- " --version Show version\n\n"
- " -r, --record Create a connection for recording\n"
- " -p, --playback Create a connection for playback\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...256\n"
- " --rate=SAMPLERATE The sample rate in Hz (defaults to 44100)\n"
- " --format=SAMPLEFORMAT The sample type, one of s16le, s16be, u8, float32le,\n"
- " float32be, ulaw, alaw (defaults to s16ne)\n"
- " --channels=CHANNELS The number of channels, 1 for mono, 2 for stereo\n"
- " (defaults to 2)\n",
- argv0);
-}
-
-enum {
- ARG_VERSION = 256,
- ARG_STREAM_NAME,
- ARG_VOLUME,
- ARG_SAMPLERATE,
- ARG_SAMPLEFORMAT,
- ARG_CHANNELS
-};
-
-int main(int argc, char *argv[]) {
- pa_mainloop* m = NULL;
- int ret = 1, r, c;
- char *bn, *server = NULL;
-
- static const struct option long_options[] = {
- {"record", 0, NULL, 'r'},
- {"playback", 0, NULL, 'p'},
- {"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},
- {"rate", 1, NULL, ARG_SAMPLERATE},
- {"format", 1, NULL, ARG_SAMPLEFORMAT},
- {"channels", 1, NULL, ARG_CHANNELS},
- {NULL, 0, NULL, 0}
- };
-
- if (!(bn = strrchr(argv[0], '/')))
- bn = argv[0];
- else
- bn++;
-
- if (strstr(bn, "rec") || strstr(bn, "mon"))
- mode = RECORD;
- else if (strstr(bn, "cat") || strstr(bn, "play"))
- mode = PLAYBACK;
-
- while ((c = getopt_long(argc, argv, "rpd:s:n:hv", long_options, NULL)) != -1) {
-
- switch (c) {
- case 'h' :
- help(bn);
- ret = 0;
- goto quit;
-
- case ARG_VERSION:
- printf("pacat "PACKAGE_VERSION"\nCompiled with libpolyp %s\nLinked with libpolyp %s\n", pa_get_headers_version(), pa_get_library_version());
- ret = 0;
- goto quit;
-
- case 'r':
- mode = RECORD;
- break;
-
- case 'p':
- mode = PLAYBACK;
- break;
-
- case 'd':
- free(device);
- device = strdup(optarg);
- break;
-
- case 's':
- free(server);
- server = strdup(optarg);
- break;
-
- case 'n':
- free(client_name);
- client_name = strdup(optarg);
- break;
-
- case ARG_STREAM_NAME:
- free(stream_name);
- stream_name = strdup(optarg);
- break;
-
- case 'v':
- verbose = 1;
- break;
-
- case ARG_VOLUME: {
- int v = atoi(optarg);
- volume = v < 0 ? 0 : v;
- break;
- }
-
- case ARG_CHANNELS:
- sample_spec.channels = atoi(optarg);
- break;
-
- case ARG_SAMPLEFORMAT:
- sample_spec.format = pa_parse_sample_format(optarg);
- break;
-
- case ARG_SAMPLERATE:
- sample_spec.rate = atoi(optarg);
- break;
-
- default:
- goto quit;
- }
- }
-
- if (!client_name)
- client_name = strdup(bn);
-
- if (!stream_name)
- stream_name = strdup(client_name);
-
- if (!pa_sample_spec_valid(&sample_spec)) {
- fprintf(stderr, "Invalid sample specification\n");
- goto quit;
- }
-
- if (verbose) {
- char t[PA_SAMPLE_SPEC_SNPRINT_MAX];
- pa_sample_spec_snprint(t, sizeof(t), &sample_spec);
- fprintf(stderr, "Opening a %s stream with sample specification '%s'.\n", mode == RECORD ? "recording" : "playback", 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);
- pa_signal_new(SIGTERM, exit_signal_callback, NULL);
-#ifdef SIGUSR1
- pa_signal_new(SIGUSR1, sigusr1_signal_callback, NULL);
-#endif
-#ifdef SIGPIPE
- signal(SIGPIPE, SIG_IGN);
-#endif
-
- if (!(stdio_event = mainloop_api->io_new(mainloop_api,
- mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO,
- mode == PLAYBACK ? PA_IO_EVENT_INPUT : PA_IO_EVENT_OUTPUT,
- mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) {
- fprintf(stderr, "source_io() failed.\n");
- goto quit;
- }
-
- /* 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, 1, 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 (stdio_event) {
- assert(mainloop_api);
- mainloop_api->io_free(stdio_event);
- }
-
- if (m) {
- pa_signal_done();
- pa_mainloop_free(m);
- }
-
- free(buffer);
-
- free(server);
- free(device);
- free(client_name);
- free(stream_name);
-
- return ret;
-}