diff options
Diffstat (limited to 'polyp/pacat.c')
| -rw-r--r-- | polyp/pacat.c | 541 |
1 files changed, 0 insertions, 541 deletions
diff --git a/polyp/pacat.c b/polyp/pacat.c deleted file mode 100644 index bd2b64fd..00000000 --- a/polyp/pacat.c +++ /dev/null @@ -1,541 +0,0 @@ -/* $Id$ */ - -/*** - 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; -} |