really create glitch-free branch

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2120 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 769 insertions, 0 deletions

diff --git a/src/utils/pacat.c b/src/utils/pacat.c
new file mode 100644
index 00000000..68e308d8
--- /dev/null
+++ b/src/utils/pacat.c
@@ -0,0 +1,769 @@
+/* $Id$ */
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+  Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
+  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 <fcntl.h>
+
+#include <pulse/pulseaudio.h>
+
+#define TIME_EVENT_USEC 50000
+
+#if PA_API_VERSION < 10
+#error Invalid PulseAudio 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
+};
+
+static pa_channel_map channel_map;
+static int channel_map_set = 0;
+
+static pa_stream_flags_t flags = 0;
+
+/* 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;
+
+    if (pa_stream_write(stream, (uint8_t*) buffer + buffer_index, l, NULL, 0, PA_SEEK_RELATIVE) < 0) {
+        fprintf(stderr, "pa_stream_write() failed: %s\n", pa_strerror(pa_context_errno(context)));
+        quit(1);
+        return;
+    }
+
+    buffer_length -= l;
+    buffer_index += l;
+
+    if (!buffer_length) {
+        pa_xfree(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);
+    assert(length > 0);
+
+    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, size_t length, void *userdata) {
+    const void *data;
+    assert(s);
+    assert(length > 0);
+
+    if (stdio_event)
+        mainloop_api->io_enable(stdio_event, PA_IO_EVENT_OUTPUT);
+
+    if (pa_stream_peek(s, &data, &length) < 0) {
+        fprintf(stderr, "pa_stream_peek() failed: %s\n", pa_strerror(pa_context_errno(context)));
+        quit(1);
+        return;
+    }
+
+    assert(data);
+    assert(length > 0);
+
+    if (buffer) {
+        fprintf(stderr, "Buffer overrun, dropping incoming data\n");
+        if (pa_stream_drop(s) < 0) {
+            fprintf(stderr, "pa_stream_drop() failed: %s\n", pa_strerror(pa_context_errno(context)));
+            quit(1);
+        }
+        return;
+    }
+
+    buffer = pa_xmalloc(buffer_length = length);
+    memcpy(buffer, data, length);
+    buffer_index = 0;
+    pa_stream_drop(s);
+}
+
+/* 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) {
+                const pa_buffer_attr *a;
+                char cmt[PA_CHANNEL_MAP_SNPRINT_MAX], sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
+
+                fprintf(stderr, "Stream successfully created.\n");
+
+                if (!(a = pa_stream_get_buffer_attr(s)))
+                    fprintf(stderr, "pa_stream_get_buffer_attr() failed: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
+                else {
+
+                    if (mode == PLAYBACK)
+                        fprintf(stderr, "Buffer metrics: maxlength=%u, tlength=%u, prebuf=%u, minreq=%u\n", a->maxlength, a->tlength, a->prebuf, a->minreq);
+                    else {
+                        assert(mode == RECORD);
+                        fprintf(stderr, "Buffer metrics: maxlength=%u, fragsize=%u\n", a->maxlength, a->fragsize);
+                    }
+                }
+
+                fprintf(stderr, "Using sample spec '%s', channel map '%s'.\n",
+                        pa_sample_spec_snprint(sst, sizeof(sst), pa_stream_get_sample_spec(s)),
+                        pa_channel_map_snprint(cmt, sizeof(cmt), pa_stream_get_channel_map(s)));
+
+                fprintf(stderr, "Connected to device %s (%u, %ssuspended).\n",
+                        pa_stream_get_device_name(s),
+                        pa_stream_get_device_index(s),
+                        pa_stream_is_suspended(s) ? "" : "not ");
+            }
+
+            break;
+
+        case PA_STREAM_FAILED:
+        default:
+            fprintf(stderr, "Stream error: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
+            quit(1);
+    }
+}
+
+static void stream_suspended_callback(pa_stream *s, void *userdata) {
+    assert(s);
+
+    if (verbose) {
+        if (pa_stream_is_suspended(s))
+            fprintf(stderr, "Stream device suspended.\n");
+        else
+            fprintf(stderr, "Stream device resumed.\n");
+    }
+}
+
+static void stream_moved_callback(pa_stream *s, void *userdata) {
+    assert(s);
+
+    if (verbose)
+        fprintf(stderr, "Stream moved to device %s (%u, %ssuspended).\n", pa_stream_get_device_name(s), pa_stream_get_device_index(s), pa_stream_is_suspended(s) ? "" : "not ");
+}
+
+/* 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: {
+            int r;
+
+            assert(c);
+            assert(!stream);
+
+            if (verbose)
+                fprintf(stderr, "Connection established.\n");
+
+            if (!(stream = pa_stream_new(c, stream_name, &sample_spec, channel_map_set ? &channel_map : NULL))) {
+                fprintf(stderr, "pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(c)));
+                goto fail;
+            }
+
+            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);
+            pa_stream_set_suspended_callback(stream, stream_suspended_callback, NULL);
+            pa_stream_set_moved_callback(stream, stream_moved_callback, NULL);
+
+            if (mode == PLAYBACK) {
+                pa_cvolume cv;
+                if ((r = pa_stream_connect_playback(stream, device, NULL, flags, pa_cvolume_set(&cv, sample_spec.channels, volume), NULL)) < 0) {
+                    fprintf(stderr, "pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(c)));
+                    goto fail;
+                }
+
+            } else {
+                if ((r = pa_stream_connect_record(stream, device, NULL, flags)) < 0) {
+                    fprintf(stderr, "pa_stream_connect_record() failed: %s\n", pa_strerror(pa_context_errno(c)));
+                    goto fail;
+                }
+            }
+
+            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)));
+            goto fail;
+    }
+
+    return;
+
+fail:
+    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 {
+        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);
+    assert(e);
+    assert(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 = pa_xmalloc(l);
+
+    if ((r = read(fd, buffer, l)) <= 0) {
+        if (r == 0) {
+            if (verbose)
+                fprintf(stderr, "Got EOF.\n");
+
+            if (stream) {
+                pa_operation *o;
+
+                if (!(o = pa_stream_drain(stream, stream_drain_complete, NULL))) {
+                    fprintf(stderr, "pa_stream_drain(): %s\n", pa_strerror(pa_context_errno(context)));
+                    quit(1);
+                    return;
+                }
+
+                pa_operation_unref(o);
+            } else
+                quit(0);
+
+        } 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);
+    assert(e);
+    assert(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) {
+        pa_xfree(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_update_timing_callback(pa_stream *s, int success, void *userdata) {
+    pa_usec_t latency, usec;
+    int negative = 0;
+
+    assert(s);
+
+    if (!success ||
+        pa_stream_get_time(s, &usec) < 0 ||
+        pa_stream_get_latency(s, &latency, &negative) < 0) {
+        fprintf(stderr, "Failed to get latency: %s\n", pa_strerror(pa_context_errno(context)));
+        quit(1);
+        return;
+    }
+
+    fprintf(stderr, "Time: %0.3f sec; Latency: %0.0f usec.  \r",
+            (float) usec / 1000000,
+            (float) latency * (negative?-1:1));
+}
+
+/* Someone requested that the latency is shown */
+static void sigusr1_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
+
+    if (!stream)
+        return;
+
+    pa_operation_unref(pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL));
+}
+
+static void time_event_callback(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
+    struct timeval next;
+
+    if (stream && pa_stream_get_state(stream) == PA_STREAM_READY) {
+        pa_operation *o;
+        if (!(o = pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL)))
+            fprintf(stderr, "pa_stream_update_timing_info() failed: %s\n", pa_strerror(pa_context_errno(context)));
+        else
+            pa_operation_unref(o);
+    }
+
+    pa_gettimeofday(&next);
+    pa_timeval_add(&next, TIME_EVENT_USEC);
+
+    m->time_restart(e, &next);
+}
+
+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...65536\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"
+           "      --channel-map=CHANNELMAP          Channel map to use instead of the default\n"
+           "      --fix-format                      Take the sample format from the sink the stream is\n"
+           "                                        being connected to.\n"
+           "      --fix-rate                        Take the sampling rate from the sink the stream is\n"
+           "                                        being connected to.\n"
+           "      --fix-channels                    Take the number of channels and the channel map\n"
+           "                                        from the sink the stream is being connected to.\n"
+           "      --no-remix                        Don't upmix or downmix channels.\n"
+           "      --no-remap                        Map channels by index instead of name.\n"
+           ,
+           argv0);
+}
+
+enum {
+    ARG_VERSION = 256,
+    ARG_STREAM_NAME,
+    ARG_VOLUME,
+    ARG_SAMPLERATE,
+    ARG_SAMPLEFORMAT,
+    ARG_CHANNELS,
+    ARG_CHANNELMAP,
+    ARG_FIX_FORMAT,
+    ARG_FIX_RATE,
+    ARG_FIX_CHANNELS,
+    ARG_NO_REMAP,
+    ARG_NO_REMIX
+};
+
+int main(int argc, char *argv[]) {
+    pa_mainloop* m = NULL;
+    int ret = 1, r, c;
+    char *bn, *server = NULL;
+    pa_time_event *time_event = 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},
+        {"channel-map", 1, NULL, ARG_CHANNELMAP},
+        {"fix-format",  0, NULL, ARG_FIX_FORMAT},
+        {"fix-rate",    0, NULL, ARG_FIX_RATE},
+        {"fix-channels",0, NULL, ARG_FIX_CHANNELS},
+        {"no-remap",    0, NULL, ARG_NO_REMAP},
+        {"no-remix",    0, NULL, ARG_NO_REMIX},
+        {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 libpulse %s\nLinked with libpulse %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':
+                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_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;
+
+            case ARG_CHANNELMAP:
+                if (!pa_channel_map_parse(&channel_map, optarg)) {
+                    fprintf(stderr, "Invalid channel map\n");
+                    goto quit;
+                }
+
+                channel_map_set = 1;
+                break;
+
+            case ARG_FIX_CHANNELS:
+                flags |= PA_STREAM_FIX_CHANNELS;
+                break;
+
+            case ARG_FIX_RATE:
+                flags |= PA_STREAM_FIX_RATE;
+                break;
+
+            case ARG_FIX_FORMAT:
+                flags |= PA_STREAM_FIX_FORMAT;
+                break;
+
+            case ARG_NO_REMIX:
+                flags |= PA_STREAM_NO_REMIX_CHANNELS;
+                break;
+
+            case ARG_NO_REMAP:
+                flags |= PA_STREAM_NO_REMAP_CHANNELS;
+                break;
+
+            default:
+                goto quit;
+        }
+    }
+
+    if (!pa_sample_spec_valid(&sample_spec)) {
+        fprintf(stderr, "Invalid sample specification\n");
+        goto quit;
+    }
+
+    if (channel_map_set && channel_map.channels != sample_spec.channels) {
+        fprintf(stderr, "Channel map doesn't match 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);
+    }
+
+    if (!(optind >= argc)) {
+        if (optind+1 == argc) {
+            int fd;
+
+            if ((fd = open(argv[optind], mode == PLAYBACK ? O_RDONLY : O_WRONLY|O_TRUNC|O_CREAT, 0666)) < 0) {
+                fprintf(stderr, "open(): %s\n", strerror(errno));
+                goto quit;
+            }
+
+            if (dup2(fd, mode == PLAYBACK ? 0 : 1) < 0) {
+                fprintf(stderr, "dup2(): %s\n", strerror(errno));
+                goto quit;
+            }
+
+            close(fd);
+
+            if (!stream_name)
+                stream_name = pa_xstrdup(argv[optind]);
+
+        } else {
+            fprintf(stderr, "Too many arguments.\n");
+            goto quit;
+        }
+    }
+
+    if (!client_name)
+        client_name = pa_xstrdup(bn);
+
+    if (!stream_name)
+        stream_name = pa_xstrdup(client_name);
+
+    /* 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, "io_new() 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, 0, NULL);
+
+    if (verbose) {
+        struct timeval tv;
+
+        pa_gettimeofday(&tv);
+        pa_timeval_add(&tv, TIME_EVENT_USEC);
+
+        if (!(time_event = mainloop_api->time_new(mainloop_api, &tv, time_event_callback, NULL))) {
+            fprintf(stderr, "time_new() failed.\n");
+            goto quit;
+        }
+    }
+
+    /* 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 (time_event) {
+        assert(mainloop_api);
+        mainloop_api->time_free(time_event);
+    }
+
+    if (m) {
+        pa_signal_done();
+        pa_mainloop_free(m);
+    }
+
+    pa_xfree(buffer);
+
+    pa_xfree(server);
+    pa_xfree(device);
+    pa_xfree(client_name);
+    pa_xfree(stream_name);
+
+    return ret;
+}