pa_channel_map* pa_channel_map_init_extend(pa_channel_map *m, unsigned channels, pa_channel_map_def_t def) {
unsigned c;
pa_assert(m);
pa_assert(channels > 0);
pa_assert(channels <= PA_CHANNELS_MAX);
pa_assert(def < PA_CHANNEL_MAP_DEF_MAX);
pa_channel_map_init(m);
for (c = channels; c > 0; c--) {
if (pa_channel_map_init_auto(m, c, def)) {
unsigned i = 0;
for (; c < channels; c++) {
m->map[c] = PA_CHANNEL_POSITION_AUX0 + i;
i++;
}
m->channels = (uint8_t) channels;
return m;
}
}
return NULL;
}
static pa_channel_map *
xmms_pulse_backend_default_channel_map (pa_channel_map *m, int channels)
{
assert(m);
assert(channels > 0);
assert(channels <= PA_CHANNELS_MAX);
pa_channel_map_init(m);
m->channels = (uint8_t) channels;
switch (channels) {
case 4:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
m->map[2] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[3] = PA_CHANNEL_POSITION_REAR_RIGHT;
return m;
case 5:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
m->map[3] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[4] = PA_CHANNEL_POSITION_REAR_RIGHT;
return m;
case 7:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
m->map[3] = PA_CHANNEL_POSITION_LFE;
m->map[4] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[5] = PA_CHANNEL_POSITION_REAR_RIGHT;
m->map[6] = PA_CHANNEL_POSITION_REAR_CENTER;
return m;
case 8:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
m->map[3] = PA_CHANNEL_POSITION_LFE;
m->map[4] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[5] = PA_CHANNEL_POSITION_REAR_RIGHT;
m->map[6] = PA_CHANNEL_POSITION_SIDE_LEFT;
m->map[7] = PA_CHANNEL_POSITION_SIDE_RIGHT;
return m;
default:
return pa_channel_map_init_auto (m, channels,
PA_CHANNEL_MAP_WAVEEX);
}
}
static ALCboolean pulse_reset_playback(ALCdevice *device) //{{{
{
pulse_data *data = device->ExtraData;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
pa_threaded_mainloop_lock(data->loop);
if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
{
pa_operation *o;
o = pa_context_get_sink_info_by_name(data->context, data->device_name, sink_info_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
}
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
flags |= PA_STREAM_FIX_RATE;
data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
data->attr.prebuf = -1;
data->attr.fragsize = -1;
data->attr.minreq = device->UpdateSize * data->frame_size;
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.maxlength = -1;
flags |= PA_STREAM_EARLY_REQUESTS;
flags |= PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
switch(device->FmtType)
{
case DevFmtByte:
device->FmtType = DevFmtUByte;
/* fall-through */
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
}
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
SetDefaultWFXChannelOrder(device);
data->stream = connect_playback_stream(device, flags, &data->attr, &data->spec, &chanmap);
if(!data->stream)
{
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
data->spec = *(pa_stream_get_sample_spec(data->stream));
if(device->Frequency != data->spec.rate)
{
pa_operation *o;
if((device->Flags&DEVICE_FREQUENCY_REQUEST))
ERR("Failed to set frequency %dhz, got %dhz instead\n", device->Frequency, data->spec.rate);
device->Flags &= ~DEVICE_FREQUENCY_REQUEST;
/* Server updated our playback rate, so modify the buffer attribs
* accordingly. */
data->attr.minreq = (ALuint64)(data->attr.minreq/data->frame_size) *
data->spec.rate / device->Frequency * data->frame_size;
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
device->Frequency = data->spec.rate;
}
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
#endif
pa_stream_set_moved_callback(data->stream, stream_device_callback, device);
pa_stream_set_write_callback(data->stream, stream_write_callback, device);
pa_stream_set_underflow_callback(data->stream, stream_signal_callback, device);
data->attr = *(pa_stream_get_buffer_attr(data->stream));
ERR("PulseAudio returned minreq=%d, tlength=%d\n", data->attr.minreq, data->attr.tlength);
device->UpdateSize = data->attr.minreq / data->frame_size;
device->NumUpdates = (data->attr.tlength/data->frame_size) / device->UpdateSize;
while(device->NumUpdates <= 2)
{
pa_operation *o;
ERR("minreq too high - expect lag or break up\n");
/* Server gave a comparatively large minreq, so modify the tlength. */
device->NumUpdates = 2;
data->attr.tlength = data->attr.minreq * device->NumUpdates;
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
data->attr = *(pa_stream_get_buffer_attr(data->stream));
ERR("PulseAudio returned minreq=%d, tlength=%d", data->attr.minreq, data->attr.tlength);
device->UpdateSize = data->attr.minreq / data->frame_size;
device->NumUpdates = (data->attr.tlength/data->frame_size) / device->UpdateSize;
}
data->thread = StartThread(PulseProc, device);
if(!data->thread)
{
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
#endif
pa_stream_set_moved_callback(data->stream, NULL, NULL);
pa_stream_set_write_callback(data->stream, NULL, NULL);
pa_stream_set_underflow_callback(data->stream, NULL, NULL);
pa_stream_disconnect(data->stream);
pa_stream_unref(data->stream);
data->stream = NULL;
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
} //}}}
static ALCenum pulse_open_capture(ALCdevice *device, const ALCchar *device_name) //{{{
{
char *pulse_name = NULL;
pulse_data *data;
pa_stream_flags_t flags = 0;
pa_stream_state_t state;
pa_channel_map chanmap;
if(!allCaptureDevNameMap)
probe_devices(AL_TRUE);
if(!device_name)
device_name = pulse_device;
else if(strcmp(device_name, pulse_device) != 0)
{
ALuint i;
for(i = 0;i < numCaptureDevNames;i++)
{
if(strcmp(device_name, allCaptureDevNameMap[i].name) == 0)
{
pulse_name = allCaptureDevNameMap[i].device_name;
break;
}
}
if(i == numCaptureDevNames)
return ALC_INVALID_VALUE;
}
if(pulse_open(device, device_name) == ALC_FALSE)
return ALC_INVALID_VALUE;
data = device->ExtraData;
pa_threaded_mainloop_lock(data->loop);
data->samples = device->UpdateSize * device->NumUpdates;
data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
data->samples = maxu(data->samples, 100 * device->Frequency / 1000);
if(!(data->ring = CreateRingBuffer(data->frame_size, data->samples)))
{
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
data->attr.minreq = -1;
data->attr.prebuf = -1;
data->attr.maxlength = data->samples * data->frame_size;
data->attr.tlength = -1;
data->attr.fragsize = minu(data->samples, 50*device->Frequency/1000) *
data->frame_size;
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
switch(device->FmtType)
{
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
case DevFmtByte:
case DevFmtUShort:
ERR("Capture format type %#x capture not supported on PulseAudio\n", device->FmtType);
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
data->stream = pa_stream_new(data->context, "Capture Stream", &data->spec, &chanmap);
if(!data->stream)
{
ERR("pa_stream_new() failed: %s\n",
pa_strerror(pa_context_errno(data->context)));
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
pa_stream_set_state_callback(data->stream, stream_state_callback, data->loop);
flags |= PA_STREAM_START_CORKED|PA_STREAM_ADJUST_LATENCY;
if(pa_stream_connect_record(data->stream, pulse_name, &data->attr, flags) < 0)
{
ERR("Stream did not connect: %s\n",
pa_strerror(pa_context_errno(data->context)));
pa_stream_unref(data->stream);
data->stream = NULL;
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
while((state=pa_stream_get_state(data->stream)) != PA_STREAM_READY)
{
if(!PA_STREAM_IS_GOOD(state))
{
ERR("Stream did not get ready: %s\n",
pa_strerror(pa_context_errno(data->context)));
pa_stream_unref(data->stream);
data->stream = NULL;
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
pa_threaded_mainloop_wait(data->loop);
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
pa_threaded_mainloop_unlock(data->loop);
return ALC_NO_ERROR;
fail:
pulse_close(device);
return ALC_INVALID_VALUE;
} //}}}
bool AudioOutputPulseAudio::OpenDevice()
{
QString fn_log_tag = "OpenDevice, ";
if (channels > PULSE_MAX_CHANNELS )
{
VBERROR(fn_log_tag + QString("audio channel limit %1, but %2 requested")
.arg(PULSE_MAX_CHANNELS).arg(channels));
return false;
}
sample_spec.rate = samplerate;
sample_spec.channels = volume_control.channels = channels;
switch (output_format)
{
case FORMAT_U8:
sample_spec.format = PA_SAMPLE_U8;
break;
case FORMAT_S16:
sample_spec.format = PA_SAMPLE_S16NE;
break;
// define from PA 0.9.15 only
#ifdef PA_MAJOR
case FORMAT_S24LSB:
sample_spec.format = PA_SAMPLE_S24_32NE;
break;
#endif
case FORMAT_S32:
sample_spec.format = PA_SAMPLE_S32NE;
break;
case FORMAT_FLT:
sample_spec.format = PA_SAMPLE_FLOAT32NE;
break;
break;
default:
VBERROR(fn_log_tag + QString("unsupported sample format %1")
.arg(output_format));
return false;
}
if (!pa_sample_spec_valid(&sample_spec))
{
VBERROR(fn_log_tag + "invalid sample spec");
return false;
}
else
{
char spec[PA_SAMPLE_SPEC_SNPRINT_MAX];
pa_sample_spec_snprint(spec, sizeof(spec), &sample_spec);
VBAUDIO(fn_log_tag + QString("using sample spec %1").arg(spec));
}
pa_channel_map *pmap = NULL;
if(!(pmap = pa_channel_map_init_auto(&channel_map, channels,
PA_CHANNEL_MAP_WAVEEX)) < 0)
{
VBERROR(fn_log_tag + "failed to init channel map");
return false;
}
channel_map = *pmap;
mainloop = pa_threaded_mainloop_new();
if (!mainloop)
{
VBERROR(fn_log_tag + "failed to get new threaded mainloop");
return false;
}
pa_threaded_mainloop_start(mainloop);
pa_threaded_mainloop_lock(mainloop);
if (!ContextConnect())
{
pa_threaded_mainloop_unlock(mainloop);
pa_threaded_mainloop_stop(mainloop);
return false;
}
if (!ConnectPlaybackStream())
{
pa_threaded_mainloop_unlock(mainloop);
pa_threaded_mainloop_stop(mainloop);
return false;
}
pa_threaded_mainloop_unlock(mainloop);
return true;
}
int pa__init(pa_module*m) {
struct userdata *u;
pa_modargs *ma = NULL;
const char *dst_addr;
const char *src_addr;
uint32_t port = DEFAULT_PORT, mtu;
uint32_t ttl = DEFAULT_TTL;
sa_family_t af;
int fd = -1, sap_fd = -1;
pa_source *s;
pa_sample_spec ss;
pa_channel_map cm;
struct sockaddr_in dst_sa4, dst_sap_sa4, src_sa4, src_sap_sa4;
#ifdef HAVE_IPV6
struct sockaddr_in6 dst_sa6, dst_sap_sa6, src_sa6, src_sap_sa6;
#endif
struct sockaddr_storage sa_dst;
pa_source_output *o = NULL;
uint8_t payload;
char *p;
int r, j;
socklen_t k;
char hn[128], *n;
bool loop = false;
enum inhibit_auto_suspend inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ONLY_WITH_NON_MONITOR_SOURCES;
const char *inhibit_auto_suspend_str;
pa_source_output_new_data data;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
if (!(s = pa_namereg_get(m->core, pa_modargs_get_value(ma, "source", NULL), PA_NAMEREG_SOURCE))) {
pa_log("Source does not exist.");
goto fail;
}
if (pa_modargs_get_value_boolean(ma, "loop", &loop) < 0) {
pa_log("Failed to parse \"loop\" parameter.");
goto fail;
}
if ((inhibit_auto_suspend_str = pa_modargs_get_value(ma, "inhibit_auto_suspend", NULL))) {
if (pa_streq(inhibit_auto_suspend_str, "always"))
inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ALWAYS;
else if (pa_streq(inhibit_auto_suspend_str, "never"))
inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_NEVER;
else if (pa_streq(inhibit_auto_suspend_str, "only_with_non_monitor_sources"))
inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ONLY_WITH_NON_MONITOR_SOURCES;
else {
pa_log("Failed to parse the \"inhibit_auto_suspend\" parameter.");
goto fail;
}
}
ss = s->sample_spec;
pa_rtp_sample_spec_fixup(&ss);
cm = s->channel_map;
if (pa_modargs_get_sample_spec(ma, &ss) < 0) {
pa_log("Failed to parse sample specification");
goto fail;
}
if (!pa_rtp_sample_spec_valid(&ss)) {
pa_log("Specified sample type not compatible with RTP");
goto fail;
}
if (ss.channels != cm.channels)
pa_channel_map_init_auto(&cm, ss.channels, PA_CHANNEL_MAP_AIFF);
payload = pa_rtp_payload_from_sample_spec(&ss);
mtu = (uint32_t) pa_frame_align(DEFAULT_MTU, &ss);
if (pa_modargs_get_value_u32(ma, "mtu", &mtu) < 0 || mtu < 1 || mtu % pa_frame_size(&ss) != 0) {
pa_log("Invalid MTU.");
goto fail;
}
port = DEFAULT_PORT + ((uint32_t) (rand() % 512) << 1);
if (pa_modargs_get_value_u32(ma, "port", &port) < 0 || port < 1 || port > 0xFFFF) {
pa_log("port= expects a numerical argument between 1 and 65535.");
goto fail;
}
if (port & 1)
pa_log_warn("Port number not even as suggested in RFC3550!");
if (pa_modargs_get_value_u32(ma, "ttl", &ttl) < 0 || ttl < 1 || ttl > 0xFF) {
pa_log("ttl= expects a numerical argument between 1 and 255.");
goto fail;
}
src_addr = pa_modargs_get_value(ma, "source_ip", DEFAULT_SOURCE_IP);
if (inet_pton(AF_INET, src_addr, &src_sa4.sin_addr) > 0) {
src_sa4.sin_family = af = AF_INET;
src_sa4.sin_port = htons(0);
memset(&src_sa4.sin_zero, 0, sizeof(src_sa4.sin_zero));
src_sap_sa4 = src_sa4;
#ifdef HAVE_IPV6
} else if (inet_pton(AF_INET6, src_addr, &src_sa6.sin6_addr) > 0) {
src_sa6.sin6_family = af = AF_INET6;
src_sa6.sin6_port = htons(0);
src_sa6.sin6_flowinfo = 0;
src_sa6.sin6_scope_id = 0;
src_sap_sa6 = src_sa6;
#endif
} else {
pa_log("Invalid source address '%s'", src_addr);
goto fail;
}
dst_addr = pa_modargs_get_value(ma, "destination", NULL);
if (dst_addr == NULL)
dst_addr = pa_modargs_get_value(ma, "destination_ip", DEFAULT_DESTINATION_IP);
if (inet_pton(AF_INET, dst_addr, &dst_sa4.sin_addr) > 0) {
dst_sa4.sin_family = af = AF_INET;
dst_sa4.sin_port = htons((uint16_t) port);
memset(&dst_sa4.sin_zero, 0, sizeof(dst_sa4.sin_zero));
dst_sap_sa4 = dst_sa4;
dst_sap_sa4.sin_port = htons(SAP_PORT);
#ifdef HAVE_IPV6
} else if (inet_pton(AF_INET6, dst_addr, &dst_sa6.sin6_addr) > 0) {
dst_sa6.sin6_family = af = AF_INET6;
dst_sa6.sin6_port = htons((uint16_t) port);
dst_sa6.sin6_flowinfo = 0;
dst_sa6.sin6_scope_id = 0;
dst_sap_sa6 = dst_sa6;
dst_sap_sa6.sin6_port = htons(SAP_PORT);
#endif
} else {
pa_log("Invalid destination '%s'", dst_addr);
goto fail;
}
if ((fd = pa_socket_cloexec(af, SOCK_DGRAM, 0)) < 0) {
pa_log("socket() failed: %s", pa_cstrerror(errno));
goto fail;
}
if (af == AF_INET && bind(fd, (struct sockaddr*) &src_sa4, sizeof(src_sa4)) < 0) {
pa_log("bind() failed: %s", pa_cstrerror(errno));
goto fail;
#ifdef HAVE_IPV6
} else if (af == AF_INET6 && bind(fd, (struct sockaddr*) &src_sa6, sizeof(src_sa6)) < 0) {
pa_log("bind() failed: %s", pa_cstrerror(errno));
goto fail;
#endif
}
if (af == AF_INET && connect(fd, (struct sockaddr*) &dst_sa4, sizeof(dst_sa4)) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
#ifdef HAVE_IPV6
} else if (af == AF_INET6 && connect(fd, (struct sockaddr*) &dst_sa6, sizeof(dst_sa6)) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
#endif
}
if ((sap_fd = pa_socket_cloexec(af, SOCK_DGRAM, 0)) < 0) {
pa_log("socket() failed: %s", pa_cstrerror(errno));
goto fail;
}
if (af == AF_INET && bind(sap_fd, (struct sockaddr*) &src_sap_sa4, sizeof(src_sap_sa4)) < 0) {
pa_log("bind() failed: %s", pa_cstrerror(errno));
goto fail;
#ifdef HAVE_IPV6
} else if (af == AF_INET6 && bind(sap_fd, (struct sockaddr*) &src_sap_sa6, sizeof(src_sap_sa6)) < 0) {
pa_log("bind() failed: %s", pa_cstrerror(errno));
goto fail;
#endif
}
if (af == AF_INET && connect(sap_fd, (struct sockaddr*) &dst_sap_sa4, sizeof(dst_sap_sa4)) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
#ifdef HAVE_IPV6
} else if (af == AF_INET6 && connect(sap_fd, (struct sockaddr*) &dst_sap_sa6, sizeof(dst_sap_sa6)) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
#endif
}
j = loop;
if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, &j, sizeof(j)) < 0 ||
setsockopt(sap_fd, IPPROTO_IP, IP_MULTICAST_LOOP, &j, sizeof(j)) < 0) {
pa_log("IP_MULTICAST_LOOP failed: %s", pa_cstrerror(errno));
goto fail;
}
if (ttl != DEFAULT_TTL) {
int _ttl = (int) ttl;
if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL, &_ttl, sizeof(_ttl)) < 0) {
pa_log("IP_MULTICAST_TTL failed: %s", pa_cstrerror(errno));
goto fail;
}
if (setsockopt(sap_fd, IPPROTO_IP, IP_MULTICAST_TTL, &_ttl, sizeof(_ttl)) < 0) {
pa_log("IP_MULTICAST_TTL (sap) failed: %s", pa_cstrerror(errno));
goto fail;
}
}
/* If the socket queue is full, let's drop packets */
pa_make_fd_nonblock(fd);
pa_make_udp_socket_low_delay(fd);
pa_source_output_new_data_init(&data);
pa_proplist_sets(data.proplist, PA_PROP_MEDIA_NAME, "RTP Monitor Stream");
pa_proplist_sets(data.proplist, "rtp.source", src_addr);
pa_proplist_sets(data.proplist, "rtp.destination", dst_addr);
pa_proplist_setf(data.proplist, "rtp.mtu", "%lu", (unsigned long) mtu);
pa_proplist_setf(data.proplist, "rtp.port", "%lu", (unsigned long) port);
pa_proplist_setf(data.proplist, "rtp.ttl", "%lu", (unsigned long) ttl);
data.driver = __FILE__;
data.module = m;
pa_source_output_new_data_set_source(&data, s, false, true);
pa_source_output_new_data_set_sample_spec(&data, &ss);
pa_source_output_new_data_set_channel_map(&data, &cm);
data.flags |= get_dont_inhibit_auto_suspend_flag(s, inhibit_auto_suspend);
pa_source_output_new(&o, m->core, &data);
pa_source_output_new_data_done(&data);
if (!o) {
pa_log("failed to create source output.");
goto fail;
}
o->parent.process_msg = source_output_process_msg;
o->push = source_output_push_cb;
o->moving = source_output_moving_cb;
o->kill = source_output_kill_cb;
pa_log_info("Configured source latency of %llu ms.",
(unsigned long long) pa_source_output_set_requested_latency(o, pa_bytes_to_usec(mtu, &o->sample_spec)) / PA_USEC_PER_MSEC);
m->userdata = o->userdata = u = pa_xnew(struct userdata, 1);
u->module = m;
u->source_output = o;
u->memblockq = pa_memblockq_new(
"module-rtp-send memblockq",
0,
MEMBLOCKQ_MAXLENGTH,
MEMBLOCKQ_MAXLENGTH,
&ss,
1,
0,
0,
NULL);
u->mtu = mtu;
k = sizeof(sa_dst);
pa_assert_se((r = getsockname(fd, (struct sockaddr*) &sa_dst, &k)) >= 0);
n = pa_xstrdup(pa_modargs_get_value(ma, "stream_name", NULL));
if (n == NULL)
n = pa_sprintf_malloc("PulseAudio RTP Stream on %s", pa_get_fqdn(hn, sizeof(hn)));
if (af == AF_INET) {
p = pa_sdp_build(af,
(void*) &((struct sockaddr_in*) &sa_dst)->sin_addr,
(void*) &dst_sa4.sin_addr,
n, (uint16_t) port, payload, &ss);
#ifdef HAVE_IPV6
} else {
p = pa_sdp_build(af,
(void*) &((struct sockaddr_in6*) &sa_dst)->sin6_addr,
(void*) &dst_sa6.sin6_addr,
n, (uint16_t) port, payload, &ss);
#endif
}
pa_xfree(n);
pa_rtp_context_init_send(&u->rtp_context, fd, m->core->cookie, payload, pa_frame_size(&ss));
pa_sap_context_init_send(&u->sap_context, sap_fd, p);
pa_log_info("RTP stream initialized with mtu %u on %s:%u from %s ttl=%u, SSRC=0x%08x, payload=%u, initial sequence #%u", mtu, dst_addr, port, src_addr, ttl, u->rtp_context.ssrc, payload, u->rtp_context.sequence);
pa_log_info("SDP-Data:\n%s\nEOF", p);
pa_sap_send(&u->sap_context, 0);
u->sap_event = pa_core_rttime_new(m->core, pa_rtclock_now() + SAP_INTERVAL, sap_event_cb, u);
u->inhibit_auto_suspend = inhibit_auto_suspend;
pa_source_output_put(u->source_output);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
if (fd >= 0)
pa_close(fd);
if (sap_fd >= 0)
pa_close(sap_fd);
return -1;
}
/*****************************************************************************
* Open: open the audio device
*****************************************************************************/
static int Open ( vlc_object_t *p_this )
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys;
struct pa_sample_spec ss;
const struct pa_buffer_attr *buffer_attr;
struct pa_buffer_attr a;
struct pa_channel_map map;
/* Allocate structures */
p_aout->output.p_sys = p_sys = calloc( 1, sizeof( aout_sys_t ) );
if( p_sys == NULL )
return VLC_ENOMEM;
PULSE_DEBUG( "Pulse start initialization");
ss.channels = aout_FormatNbChannels( &p_aout->output.output ); /* Get the input stream channel count */
/* Setup the pulse audio stream based on the input stream count */
switch(ss.channels)
{
case 8:
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_LFE;
break;
case 6:
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_LFE;
break;
case 4:
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
break;
case 2:
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
break;
case 1:
p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
break;
default:
msg_Err(p_aout,"Invalid number of channels");
goto fail;
}
/* Add a quick command line info message */
msg_Info(p_aout, "No. of Audio Channels: %d", ss.channels);
ss.rate = p_aout->output.output.i_rate;
ss.format = PA_SAMPLE_FLOAT32NE;
p_aout->output.output.i_format = VLC_CODEC_FL32;
if (!pa_sample_spec_valid(&ss)) {
msg_Err(p_aout,"Invalid sample spec");
goto fail;
}
/* Reduce overall latency to 200mS to reduce audible clicks
* Also pulse minreq and internal buffers are now 20mS which reduces resampling
*/
a.tlength = pa_bytes_per_second(&ss)/5;
a.maxlength = a.tlength * 2;
a.prebuf = a.tlength / 2;
a.minreq = a.tlength / 10;
/* Buffer size is 20mS */
p_sys->buffer_size = a.minreq;
/* Initialise the speaker map setup above */
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA);
if (!(p_sys->mainloop = pa_threaded_mainloop_new())) {
msg_Err(p_aout, "Failed to allocate main loop");
goto fail;
}
if (!(p_sys->context = pa_context_new(pa_threaded_mainloop_get_api(p_sys->mainloop), _( PULSE_CLIENT_NAME )))) {
msg_Err(p_aout, "Failed to allocate context");
goto fail;
}
pa_context_set_state_callback(p_sys->context, context_state_cb, p_aout);
PULSE_DEBUG( "Pulse before context connect");
if (pa_context_connect(p_sys->context, NULL, 0, NULL) < 0) {
msg_Err(p_aout, "Failed to connect to server: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto fail;
}
PULSE_DEBUG( "Pulse after context connect");
pa_threaded_mainloop_lock(p_sys->mainloop);
if (pa_threaded_mainloop_start(p_sys->mainloop) < 0) {
msg_Err(p_aout, "Failed to start main loop");
goto unlock_and_fail;
}
msg_Dbg(p_aout, "Pulse mainloop started");
/* Wait until the context is ready */
pa_threaded_mainloop_wait(p_sys->mainloop);
if (pa_context_get_state(p_sys->context) != PA_CONTEXT_READY) {
msg_Err(p_aout, "Failed to connect to server: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto unlock_and_fail;
}
if (!(p_sys->stream = pa_stream_new(p_sys->context, "audio stream", &ss, &map))) {
msg_Err(p_aout, "Failed to create stream: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto unlock_and_fail;
}
PULSE_DEBUG( "Pulse after new stream");
pa_stream_set_state_callback(p_sys->stream, stream_state_cb, p_aout);
pa_stream_set_write_callback(p_sys->stream, stream_request_cb, p_aout);
pa_stream_set_latency_update_callback(p_sys->stream, stream_latency_update_cb, p_aout);
if (pa_stream_connect_playback(p_sys->stream, NULL, &a, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_ADJUST_LATENCY, NULL, NULL) < 0) {
msg_Err(p_aout, "Failed to connect stream: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto unlock_and_fail;
}
PULSE_DEBUG("Pulse stream connect");
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(p_sys->mainloop);
msg_Dbg(p_aout,"Pulse stream connected");
if (pa_stream_get_state(p_sys->stream) != PA_STREAM_READY) {
msg_Err(p_aout, "Failed to connect to server: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto unlock_and_fail;
}
PULSE_DEBUG("Pulse after stream get status");
pa_threaded_mainloop_unlock(p_sys->mainloop);
buffer_attr = pa_stream_get_buffer_attr(p_sys->stream);
p_aout->output.i_nb_samples = buffer_attr->minreq / pa_frame_size(&ss);
p_aout->output.pf_play = Play;
aout_VolumeSoftInit(p_aout);
msg_Dbg(p_aout, "Pulse initialized successfully");
{
char cmt[PA_CHANNEL_MAP_SNPRINT_MAX], sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
msg_Dbg(p_aout, "Buffer metrics: maxlength=%u, tlength=%u, prebuf=%u, minreq=%u", buffer_attr->maxlength, buffer_attr->tlength, buffer_attr->prebuf, buffer_attr->minreq);
msg_Dbg(p_aout, "Using sample spec '%s', channel map '%s'.",
pa_sample_spec_snprint(sst, sizeof(sst), pa_stream_get_sample_spec(p_sys->stream)),
pa_channel_map_snprint(cmt, sizeof(cmt), pa_stream_get_channel_map(p_sys->stream)));
msg_Dbg(p_aout, "Connected to device %s (%u, %ssuspended).",
pa_stream_get_device_name(p_sys->stream),
pa_stream_get_device_index(p_sys->stream),
pa_stream_is_suspended(p_sys->stream) ? "" : "not ");
}
return VLC_SUCCESS;
unlock_and_fail:
msg_Dbg(p_aout, "Pulse initialization unlock and fail");
if (p_sys->mainloop)
pa_threaded_mainloop_unlock(p_sys->mainloop);
fail:
msg_Err(p_aout, "Pulse initialization failed");
uninit(p_aout);
return VLC_EGENERIC;
}
/* Called from main context */
pa_source* pa_source_new(
pa_core *core,
pa_source_new_data *data,
pa_source_flags_t flags) {
pa_source *s;
const char *name;
char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
char *pt;
pa_assert(core);
pa_assert(data);
pa_assert(data->name);
pa_assert_ctl_context();
s = pa_msgobject_new(pa_source);
if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SOURCE, s, data->namereg_fail))) {
pa_log_debug("Failed to register name %s.", data->name);
pa_xfree(s);
return NULL;
}
pa_source_new_data_set_name(data, name);
if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_NEW], data) < 0) {
pa_xfree(s);
pa_namereg_unregister(core, name);
return NULL;
}
/* FIXME, need to free s here on failure */
pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
if (!data->channel_map_is_set)
pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
if (!data->volume_is_set)
pa_cvolume_reset(&data->volume, data->sample_spec.channels);
pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
if (!data->muted_is_set)
data->muted = FALSE;
if (data->card)
pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
pa_device_init_description(data->proplist);
pa_device_init_icon(data->proplist, FALSE);
pa_device_init_intended_roles(data->proplist);
if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], data) < 0) {
pa_xfree(s);
pa_namereg_unregister(core, name);
return NULL;
}
s->parent.parent.free = source_free;
s->parent.process_msg = pa_source_process_msg;
s->core = core;
s->state = PA_SOURCE_INIT;
s->flags = flags;
s->priority = 0;
s->suspend_cause = 0;
s->name = pa_xstrdup(name);
s->proplist = pa_proplist_copy(data->proplist);
s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
s->module = data->module;
s->card = data->card;
s->priority = pa_device_init_priority(s->proplist);
s->sample_spec = data->sample_spec;
s->channel_map = data->channel_map;
s->outputs = pa_idxset_new(NULL, NULL);
s->n_corked = 0;
s->monitor_of = NULL;
s->output_from_master = NULL;
s->volume = data->volume;
pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
s->base_volume = PA_VOLUME_NORM;
s->n_volume_steps = PA_VOLUME_NORM+1;
s->muted = data->muted;
s->refresh_volume = s->refresh_muted = FALSE;
reset_callbacks(s);
s->userdata = NULL;
s->asyncmsgq = NULL;
/* As a minor optimization we just steal the list instead of
* copying it here */
s->ports = data->ports;
data->ports = NULL;
s->active_port = NULL;
s->save_port = FALSE;
if (data->active_port && s->ports)
if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
s->save_port = data->save_port;
if (!s->active_port && s->ports) {
void *state;
pa_device_port *p;
PA_HASHMAP_FOREACH(p, s->ports, state)
if (!s->active_port || p->priority > s->active_port->priority)
s->active_port = p;
}
static int init(int rate_hz, int channels, int format, int flags) {
struct pa_sample_spec ss;
struct pa_channel_map map;
const struct format_map_s *fmt_map;
char *devarg = NULL;
char *host = NULL;
char *sink = NULL;
char *version = pa_get_library_version();
if (ao_subdevice) {
devarg = strdup(ao_subdevice);
sink = strchr(devarg, ':');
if (sink) *sink++ = 0;
if (devarg[0]) host = devarg;
}
broken_pause = 0;
// not sure which versions are affected, assume 0.9.11* to 0.9.14*
// known bad: 0.9.14, 0.9.13
// known good: 0.9.9, 0.9.10, 0.9.15
// to test: pause, wait ca. 5 seconds framestep and see if MPlayer hangs somewhen
if (strncmp(version, "0.9.1", 5) == 0 && version[5] >= '1' && version[5] <= '4') {
mp_msg(MSGT_AO, MSGL_WARN, "[pulse] working around probably broken pause functionality,\n"
" see http://www.pulseaudio.org/ticket/440\n");
broken_pause = 1;
}
ss.channels = channels;
ss.rate = rate_hz;
ao_data.samplerate = rate_hz;
ao_data.channels = channels;
fmt_map = format_maps;
while (fmt_map->mp_format != format) {
if (fmt_map->mp_format == AF_FORMAT_UNKNOWN) {
mp_msg(MSGT_AO, MSGL_V, "AO: [pulse] Unsupported format, using default\n");
fmt_map = format_maps;
break;
}
fmt_map++;
}
ao_data.format = fmt_map->mp_format;
ss.format = fmt_map->pa_format;
if (!pa_sample_spec_valid(&ss)) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Invalid sample spec\n");
goto fail;
}
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA);
ao_data.bps = pa_bytes_per_second(&ss);
pa_cvolume_reset(&volume, ss.channels);
if (!(mainloop = pa_threaded_mainloop_new())) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate main loop\n");
goto fail;
}
if (!(context = pa_context_new(pa_threaded_mainloop_get_api(mainloop), PULSE_CLIENT_NAME))) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate context\n");
goto fail;
}
pa_context_set_state_callback(context, context_state_cb, NULL);
if (pa_context_connect(context, host, 0, NULL) < 0)
goto fail;
pa_threaded_mainloop_lock(mainloop);
if (pa_threaded_mainloop_start(mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait(mainloop);
if (pa_context_get_state(context) != PA_CONTEXT_READY)
goto unlock_and_fail;
if (!(stream = pa_stream_new(context, "audio stream", &ss, &map)))
goto unlock_and_fail;
pa_stream_set_state_callback(stream, stream_state_cb, NULL);
pa_stream_set_write_callback(stream, stream_request_cb, NULL);
pa_stream_set_latency_update_callback(stream, stream_latency_update_cb, NULL);
if (pa_stream_connect_playback(stream, sink, NULL, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE, &volume, NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(mainloop);
if (pa_stream_get_state(stream) != PA_STREAM_READY)
goto unlock_and_fail;
pa_threaded_mainloop_unlock(mainloop);
free(devarg);
return 1;
unlock_and_fail:
if (mainloop)
pa_threaded_mainloop_unlock(mainloop);
fail:
if (context)
GENERIC_ERR_MSG(context, "Init failed");
free(devarg);
uninit(1);
return 0;
}
static ALCboolean pulse_reset_playback(ALCdevice *device)
{
pulse_data *data = device->ExtraData;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
pa_threaded_mainloop_lock(data->loop);
if(data->stream)
{
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
#endif
pa_stream_disconnect(data->stream);
pa_stream_unref(data->stream);
data->stream = NULL;
}
if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
{
pa_operation *o;
o = pa_context_get_sink_info_by_name(data->context, data->device_name, sink_info_callback, device);
WAIT_FOR_OPERATION(o, data->loop);
}
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
flags |= PA_STREAM_FIX_RATE;
flags |= PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
flags |= PA_STREAM_ADJUST_LATENCY;
flags |= PA_STREAM_START_CORKED;
flags |= PA_STREAM_DONT_MOVE;
switch(device->FmtType)
{
case DevFmtByte:
device->FmtType = DevFmtUByte;
/* fall-through */
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtUInt:
device->FmtType = DevFmtInt;
/* fall-through */
case DevFmtInt:
data->spec.format = PA_SAMPLE_S32NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
}
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
SetDefaultWFXChannelOrder(device);
data->attr.fragsize = -1;
data->attr.prebuf = 0;
data->attr.minreq = device->UpdateSize * pa_frame_size(&data->spec);
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.maxlength = -1;
data->stream = connect_playback_stream(data->device_name, data->loop,
data->context, flags, &data->attr,
&data->spec, &chanmap);
if(!data->stream)
{
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
data->spec = *(pa_stream_get_sample_spec(data->stream));
if(device->Frequency != data->spec.rate)
{
pa_operation *o;
/* Server updated our playback rate, so modify the buffer attribs
* accordingly. */
data->attr.minreq = (ALuint64)device->UpdateSize * data->spec.rate /
device->Frequency * pa_frame_size(&data->spec);
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.prebuf = 0;
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
WAIT_FOR_OPERATION(o, data->loop);
device->Frequency = data->spec.rate;
}
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
#endif
stream_buffer_attr_callback(data->stream, device);
device->NumUpdates = device->UpdateSize*device->NumUpdates /
(data->attr.minreq/pa_frame_size(&data->spec));
device->NumUpdates = maxu(device->NumUpdates, 2);
device->UpdateSize = data->attr.minreq / pa_frame_size(&data->spec);
pa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
}
static ALCenum pulse_open_capture(ALCdevice *device, const ALCchar *device_name)
{
const char *pulse_name = NULL;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
pulse_data *data;
pa_operation *o;
ALuint samples;
if(device_name)
{
ALuint i;
if(!allCaptureDevNameMap)
probe_devices(AL_TRUE);
for(i = 0;i < numCaptureDevNames;i++)
{
if(strcmp(device_name, allCaptureDevNameMap[i].name) == 0)
{
pulse_name = allCaptureDevNameMap[i].device_name;
break;
}
}
if(i == numCaptureDevNames)
return ALC_INVALID_VALUE;
}
if(pulse_open(device) == ALC_FALSE)
return ALC_INVALID_VALUE;
data = device->ExtraData;
pa_threaded_mainloop_lock(data->loop);
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
switch(device->FmtType)
{
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtInt:
data->spec.format = PA_SAMPLE_S32NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
case DevFmtByte:
case DevFmtUShort:
case DevFmtUInt:
ERR("%s capture samples not supported\n", DevFmtTypeString(device->FmtType));
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
samples = device->UpdateSize * device->NumUpdates;
samples = maxu(samples, 100 * device->Frequency / 1000);
data->attr.minreq = -1;
data->attr.prebuf = -1;
data->attr.maxlength = samples * pa_frame_size(&data->spec);
data->attr.tlength = -1;
data->attr.fragsize = minu(samples, 50*device->Frequency/1000) *
pa_frame_size(&data->spec);
flags |= PA_STREAM_DONT_MOVE;
flags |= PA_STREAM_START_CORKED|PA_STREAM_ADJUST_LATENCY;
data->stream = connect_record_stream(pulse_name, data->loop, data->context,
flags, &data->attr, &data->spec,
&chanmap);
if(!data->stream)
{
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
data->device_name = strdup(pa_stream_get_device_name(data->stream));
o = pa_context_get_source_info_by_name(data->context, data->device_name,
source_name_callback, device);
WAIT_FOR_OPERATION(o, data->loop);
pa_threaded_mainloop_unlock(data->loop);
return ALC_NO_ERROR;
fail:
pulse_close(device);
return ALC_INVALID_VALUE;
}
int
cubeb_stream_init(cubeb * context, cubeb_stream ** stream, char const * stream_name,
cubeb_stream_params stream_params, unsigned int latency,
cubeb_data_callback data_callback, cubeb_state_callback state_callback,
void * user_ptr)
{
pa_sample_spec ss;
cubeb_stream * stm;
pa_operation * o;
pa_buffer_attr battr;
pa_channel_map map;
if (stream_params.rate < 1 || stream_params.rate > 192000 ||
stream_params.channels < 1 || stream_params.channels > 32 ||
latency < 1 || latency > 2000) {
return CUBEB_ERROR_INVALID_FORMAT;
}
switch (stream_params.format) {
case CUBEB_SAMPLE_S16LE:
ss.format = PA_SAMPLE_S16LE;
break;
case CUBEB_SAMPLE_S16BE:
ss.format = PA_SAMPLE_S16BE;
break;
case CUBEB_SAMPLE_FLOAT32LE:
ss.format = PA_SAMPLE_FLOAT32LE;
break;
case CUBEB_SAMPLE_FLOAT32BE:
ss.format = PA_SAMPLE_FLOAT32BE;
break;
default:
return CUBEB_ERROR_INVALID_FORMAT;
}
ss.rate = stream_params.rate;
ss.channels = stream_params.channels;
/* XXX check that this does the right thing for Vorbis and WaveEx */
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_DEFAULT);
stm = calloc(1, sizeof(*stm));
assert(stm);
stm->context = context;
assert(stm->context);
stm->data_callback = data_callback;
stm->state_callback = state_callback;
stm->user_ptr = user_ptr;
stm->sample_spec = ss;
battr.maxlength = -1;
battr.tlength = pa_usec_to_bytes(latency * 1000, &stm->sample_spec);
battr.prebuf = -1;
battr.minreq = battr.tlength / 2;
battr.fragsize = -1;
pa_threaded_mainloop_lock(stm->context->mainloop);
stm->stream = pa_stream_new(stm->context->context, stream_name, &ss, &map);
pa_stream_set_state_callback(stm->stream, stream_state_callback, stm->context->mainloop);
pa_stream_set_write_callback(stm->stream, stream_request_callback, stm);
pa_stream_connect_playback(stm->stream, NULL, &battr,
PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_INTERPOLATE_TIMING |
PA_STREAM_START_CORKED,
NULL, NULL);
pa_threaded_mainloop_unlock(stm->context->mainloop);
stream_state_wait(stm, PA_STREAM_READY);
/* force a timing update now, otherwise timing info does not become valid
until some point after initialization has completed. */
pa_threaded_mainloop_lock(stm->context->mainloop);
o = pa_stream_update_timing_info(stm->stream, stream_success_callback, stm->context->mainloop);
operation_wait(stm->context, o);
pa_operation_unref(o);
pa_threaded_mainloop_unlock(stm->context->mainloop);
*stream = stm;
return CUBEB_OK;
}
void PulseAudioPlayer::OpenStream()
{
if (open) CloseStream();
// Initialise a mainloop
//printf("Initialising threaded main loop\n");
mainloop = pa_threaded_mainloop_new();
if (!mainloop) {
throw agi::AudioPlayerOpenError("Failed to initialise PulseAudio threaded mainloop object", 0);
}
//printf("Starting main loop\n");
pa_threaded_mainloop_start(mainloop);
// Create context
//printf("Creating context\n");
context = pa_context_new(pa_threaded_mainloop_get_api(mainloop), "Aegisub");
if (!context) {
pa_threaded_mainloop_free(mainloop);
throw agi::AudioPlayerOpenError("Failed to create PulseAudio context", 0);
}
pa_context_set_state_callback(context, (pa_context_notify_cb_t)pa_context_notify, this);
// Connect the context
//printf("Connecting context\n");
pa_context_connect(context, NULL, PA_CONTEXT_NOAUTOSPAWN, NULL);
// Wait for connection
while (true) {
context_notify.Wait();
if (cstate == PA_CONTEXT_READY) {
break;
} else if (cstate == PA_CONTEXT_FAILED) {
// eww
paerror = pa_context_errno(context);
pa_context_unref(context);
pa_threaded_mainloop_stop(mainloop);
pa_threaded_mainloop_free(mainloop);
throw agi::AudioPlayerOpenError(std::string("PulseAudio reported error: ") + pa_strerror(paerror), 0);
}
// otherwise loop once more
}
//printf("Context connected\n");
// Set up stream
bpf = provider->GetChannels() * provider->GetBytesPerSample();
pa_sample_spec ss;
ss.format = PA_SAMPLE_S16LE; // FIXME
ss.rate = provider->GetSampleRate();
ss.channels = provider->GetChannels();
pa_channel_map map;
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_DEFAULT);
//printf("Creating stream\n");
stream = pa_stream_new(context, "Sound", &ss, &map);
if (!stream) {
// argh!
pa_context_disconnect(context);
pa_context_unref(context);
pa_threaded_mainloop_stop(mainloop);
pa_threaded_mainloop_free(mainloop);
throw agi::AudioPlayerOpenError("PulseAudio could not create stream", 0);
}
pa_stream_set_state_callback(stream, (pa_stream_notify_cb_t)pa_stream_notify, this);
pa_stream_set_write_callback(stream, (pa_stream_request_cb_t)pa_stream_write, this);
// Connect stream
//printf("Connecting playback stream\n");
paerror = pa_stream_connect_playback(stream, NULL, NULL, (pa_stream_flags_t)(PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_NOT_MONOTONOUS|PA_STREAM_AUTO_TIMING_UPDATE), NULL, NULL);
if (paerror) {
printf("PulseAudio reported error: %s (%d)\n", pa_strerror(paerror), paerror);
throw agi::AudioPlayerOpenError(std::string("PulseAudio reported error: ") + pa_strerror(paerror), 0);
}
while (true) {
stream_notify.Wait();
if (sstate == PA_STREAM_READY) {
break;
} else if (sstate == PA_STREAM_FAILED) {
paerror = pa_context_errno(context);
printf("PulseAudio player: Stream connection failed: %s (%d)\n", pa_strerror(paerror), paerror);
throw agi::AudioPlayerOpenError("PulseAudio player: Something went wrong connecting the stream", 0);
}
}
//printf("Connected playback stream, now playing\n\n");
// Hopefully this marks success
//printf("Finished opening PulseAudio\n\n");
open = true;
}
INT16 m1sdr_Init(int sample_rate)
{
int format, stereo, rate, fsize, err, state;
unsigned int nfreq, periodtime;
snd_pcm_hw_params_t *hwparams;
#ifdef USE_SDL
SDL_AudioSpec aspec;
#endif
pa_channel_map chanmap;
pa_buffer_attr my_pa_attr;
hw_present = 0;
m1sdr_Callback = NULL;
nDSoundSegLen = sample_rate / 60;
switch (lnxdrv_apimode)
{
case 0: // SDL
#ifdef USE_SDL
SDL_InitSubSystem(SDL_INIT_AUDIO);
m1sdr_SetSamplesPerTick(sample_rate/60);
playbuf = 0;
writebuf = 1;
aspec.freq = sample_rate;
aspec.format = AUDIO_S16SYS; // keep endian independant
aspec.channels = 2;
aspec.samples = 512; // has to be a power of 2, and we want it smaller than our buffer size
aspec.callback = sdl_callback;
aspec.userdata = 0;
if (SDL_OpenAudio(&aspec, NULL) < 0)
{
printf("ERROR: can't open SDL audio\n");
return 0;
}
// make sure we don't start yet
SDL_PauseAudio(1);
#endif
break;
case 1: // ALSA
// Try to open audio device
if ((err = snd_pcm_open(&pHandle, "default", SND_PCM_STREAM_PLAYBACK, 0)) < 0) {
fprintf(stderr, "ALSA: Could not open soundcard (%s)\n", snd_strerror(err));
hw_present = 0;
return 0;
}
if ((err = snd_pcm_hw_params_malloc(&hwparams)) < 0) {
fprintf (stderr, "cannot allocate hardware parameter structure (%s)\n",
snd_strerror(err));
return 0;
}
// Init hwparams with full configuration space
if ((err = snd_pcm_hw_params_any(pHandle, hwparams)) < 0) {
fprintf(stderr, "ALSA: couldn't set hw params (%s)\n", snd_strerror(err));
hw_present = 0;
return 0;
}
// Set access type
if ((err = snd_pcm_hw_params_set_access(pHandle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
fprintf(stderr, "ALSA: can't set access (%s)\n", snd_strerror(err));
return 0;
}
// Set sample format
if ((err = snd_pcm_hw_params_set_format(pHandle, hwparams, SND_PCM_FORMAT_S16)) < 0) {
fprintf(stderr, "ALSA: can't set format (%s)\n", snd_strerror(err));
return 0;
}
// Set sample rate (nearest possible)
nfreq = sample_rate;
if ((err = snd_pcm_hw_params_set_rate_near(pHandle, hwparams, &nfreq, 0)) < 0) {
fprintf(stderr, "ALSA: can't set sample rate (%s)\n", snd_strerror(err));
return 0;
}
// Set number of channels
if ((err = snd_pcm_hw_params_set_channels(pHandle, hwparams, 2)) < 0) {
fprintf(stderr, "ALSA: can't set stereo (%s)\n", snd_strerror(err));
return 0;
}
// Set period time (nearest possible)
periodtime = 16;
if ((err = snd_pcm_hw_params_set_period_time_near(pHandle, hwparams, &periodtime, 0)) < 0) {
fprintf(stderr, "ALSA: can't set period time (%s)\n", snd_strerror(err));
return 0;
}
// Apply HW parameter settings to PCM device and prepare device
if ((err = snd_pcm_hw_params(pHandle, hwparams)) < 0) {
fprintf(stderr, "ALSA: unable to install hw_params (%s)\n", snd_strerror(err));
snd_pcm_hw_params_free(hwparams);
return 0;
}
snd_pcm_hw_params_free(hwparams);
if ((err = snd_pcm_prepare(pHandle)) < 0) {
fprintf (stderr, "cannot prepare audio interface for use (%s)\n", snd_strerror(err));
return 0;
}
break;
case 2: // OSS
audiofd = open("/dev/dsp", O_WRONLY, 0);
if (audiofd == -1)
{
audiofd = open("/dev/dsp1", O_WRONLY, 0);
if (audiofd == -1)
{
perror("/dev/dsp1");
return(0);
}
}
// reset things
ioctl(audiofd, SNDCTL_DSP_RESET, 0);
is_broken_driver = 0;
num_frags = NUM_FRAGS_NORMAL;
// set the buffer size we want
fsize = OSS_FRAGMENT;
if (ioctl(audiofd, SNDCTL_DSP_SETFRAGMENT, &fsize) == - 1)
{
perror("SNDCTL_DSP_SETFRAGMENT");
return(0);
}
// set 16-bit output
format = AFMT_S16_NE; // 16 bit signed "native"-endian
if (ioctl(audiofd, SNDCTL_DSP_SETFMT, &format) == - 1)
{
perror("SNDCTL_DSP_SETFMT");
return(0);
}
// now set stereo
stereo = 1;
if (ioctl(audiofd, SNDCTL_DSP_STEREO, &stereo) == - 1)
{
perror("SNDCTL_DSP_STEREO");
return(0);
}
// and the sample rate
rate = sample_rate;
if (ioctl(audiofd, SNDCTL_DSP_SPEED, &rate) == - 1)
{
perror("SNDCTL_DSP_SPEED");
return(0);
}
// and make sure that did what we wanted
ioctl(audiofd, SNDCTL_DSP_GETBLKSIZE, &fsize);
break;
case 3: // PulseAudio
sample_spec.format = PA_SAMPLE_S16NE;
sample_spec.rate = sample_rate;
sample_spec.channels = 2;
my_pa_context = NULL;
my_pa_stream = NULL;
my_pa_mainloop = NULL;
my_pa_mainloop_api = NULL;
#if !PULSE_USE_SIMPLE
// get default channel mapping
pa_channel_map_init_auto(&chanmap, sample_spec.channels, PA_CHANNEL_MAP_WAVEEX);
if (!(my_pa_mainloop = pa_mainloop_new()))
{
fprintf(stderr, "pa_mainloop_new() failed\n");
return 0;
}
my_pa_mainloop_api = pa_mainloop_get_api(my_pa_mainloop);
/* if (pa_signal_init(my_pa_mainloop_api) != 0)
{
fprintf(stderr, "pa_signal_init() failed\n");
return 0;
}*/
/* Create a new connection context */
if (!(my_pa_context = pa_context_new(my_pa_mainloop_api, "Audio Overload")))
{
fprintf(stderr, "pa_context_new() failed\n");
return 0;
}
/* set the context state CB */
// pa_context_set_state_callback(my_pa_context, context_state_callback, NULL);
/* Connect the context */
if (pa_context_connect(my_pa_context, NULL, (pa_context_flags_t)0, NULL) < 0)
{
fprintf(stderr, "pa_context_connect() failed: %s", pa_strerror(pa_context_errno(my_pa_context)));
return 0;
}
do
{
pa_mainloop_iterate(my_pa_mainloop, 1, NULL);
state = pa_context_get_state(my_pa_context);
if (!PA_CONTEXT_IS_GOOD((pa_context_state_t)state))
{
printf("PA CONTEXT NOT GOOD\n");
hw_present = 0;
return 0;
}
} while (state != PA_CONTEXT_READY);
if (!(my_pa_stream = pa_stream_new(my_pa_context, "Audio Overload", &sample_spec, &chanmap)))
{
fprintf(stderr, "pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(my_pa_context)));
return 0;
}
memset(&my_pa_attr, 0, sizeof(my_pa_attr));
my_pa_attr.tlength = nDSoundSegLen * 4 * 4;
my_pa_attr.prebuf = -1;
my_pa_attr.maxlength = -1;
my_pa_attr.minreq = nDSoundSegLen * 4 * 2;
if ((err = pa_stream_connect_playback(my_pa_stream, NULL, &my_pa_attr, PA_STREAM_ADJUST_LATENCY, NULL, NULL)) < 0)
{
fprintf(stderr, "pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(my_pa_context)));
return 0;
}
do
{
pa_mainloop_iterate(my_pa_mainloop, 1, NULL);
state = pa_stream_get_state(my_pa_stream);
if (!PA_STREAM_IS_GOOD((pa_stream_state_t)state))
{
printf("PA STREAM NOT GOOD\n");
hw_present = 0;
return 0;
}
} while (state != PA_STREAM_READY);
// printf("PulseAudio setup OK so far, len %d\n", nDSoundSegLen*4);
#else
my_simple = NULL;
#endif
break;
}
hw_present = 1;
return (1);
}
void pa_sample_spec_mimefy(pa_sample_spec *ss, pa_channel_map *cm) {
pa_assert(pa_channel_map_compatible(cm, ss));
/* Turns the sample type passed in into the next 'better' one that
* can be encoded for HTTP. If there is no 'better' one we pick
* the 'best' one that is 'worse'. */
if (ss->channels > 2)
ss->channels = 2;
if (ss->rate > 44100)
ss->rate = 48000;
else if (ss->rate > 32000)
ss->rate = 44100;
else if (ss->rate > 24000)
ss->rate = 32000;
else if (ss->rate > 22050)
ss->rate = 24000;
else if (ss->rate > 16000)
ss->rate = 22050;
else if (ss->rate > 11025)
ss->rate = 16000;
else if (ss->rate > 8000)
ss->rate = 11025;
else
ss->rate = 8000;
switch (ss->format) {
case PA_SAMPLE_S24BE:
case PA_SAMPLE_S24LE:
case PA_SAMPLE_S24_32LE:
case PA_SAMPLE_S24_32BE:
case PA_SAMPLE_S32LE:
case PA_SAMPLE_S32BE:
case PA_SAMPLE_FLOAT32LE:
case PA_SAMPLE_FLOAT32BE:
ss->format = PA_SAMPLE_S24BE;
break;
case PA_SAMPLE_S16BE:
case PA_SAMPLE_S16LE:
ss->format = PA_SAMPLE_S16BE;
break;
case PA_SAMPLE_ULAW:
case PA_SAMPLE_ALAW:
if (ss->rate == 8000 && ss->channels == 1)
ss->format = PA_SAMPLE_ULAW;
else
ss->format = PA_SAMPLE_S16BE;
break;
case PA_SAMPLE_U8:
ss->format = PA_SAMPLE_U8;
break;
case PA_SAMPLE_MAX:
case PA_SAMPLE_INVALID:
pa_assert_not_reached();
}
pa_channel_map_init_auto(cm, ss->channels, PA_CHANNEL_MAP_DEFAULT);
pa_assert(pa_sample_spec_is_mime(ss, cm));
}
static int init(struct ao *ao, char *params)
{
struct pa_sample_spec ss;
struct pa_channel_map map;
char *devarg = NULL;
char *host = NULL;
char *sink = NULL;
const char *version = pa_get_library_version();
struct priv *priv = talloc_zero(ao, struct priv);
ao->priv = priv;
if (params) {
devarg = strdup(params);
sink = strchr(devarg, ':');
if (sink)
*sink++ = 0;
if (devarg[0])
host = devarg;
}
priv->broken_pause = false;
/* not sure which versions are affected, assume 0.9.11* to 0.9.14*
* known bad: 0.9.14, 0.9.13
* known good: 0.9.9, 0.9.10, 0.9.15
* To test: pause, wait ca. 5 seconds, framestep and see if MPlayer
* hangs somewhen. */
if (strncmp(version, "0.9.1", 5) == 0 && version[5] >= '1'
&& version[5] <= '4') {
mp_msg(MSGT_AO, MSGL_WARN,
"[pulse] working around probably broken pause functionality,\n"
" see http://www.pulseaudio.org/ticket/440\n");
priv->broken_pause = true;
}
ss.channels = ao->channels;
ss.rate = ao->samplerate;
const struct format_map *fmt_map = format_maps;
while (fmt_map->mp_format != ao->format) {
if (fmt_map->mp_format == AF_FORMAT_UNKNOWN) {
mp_msg(MSGT_AO, MSGL_V,
"AO: [pulse] Unsupported format, using default\n");
fmt_map = format_maps;
break;
}
fmt_map++;
}
ao->format = fmt_map->mp_format;
ss.format = fmt_map->pa_format;
if (!pa_sample_spec_valid(&ss)) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Invalid sample spec\n");
goto fail;
}
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA);
ao->bps = pa_bytes_per_second(&ss);
if (!(priv->mainloop = pa_threaded_mainloop_new())) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate main loop\n");
goto fail;
}
if (!(priv->context = pa_context_new(pa_threaded_mainloop_get_api(
priv->mainloop), PULSE_CLIENT_NAME))) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate context\n");
goto fail;
}
pa_context_set_state_callback(priv->context, context_state_cb, ao);
if (pa_context_connect(priv->context, host, 0, NULL) < 0)
goto fail;
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_threaded_mainloop_start(priv->mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_context_get_state(priv->context) != PA_CONTEXT_READY)
goto unlock_and_fail;
if (!(priv->stream = pa_stream_new(priv->context, "audio stream", &ss,
&map)))
goto unlock_and_fail;
pa_stream_set_state_callback(priv->stream, stream_state_cb, ao);
pa_stream_set_write_callback(priv->stream, stream_request_cb, ao);
pa_stream_set_latency_update_callback(priv->stream,
stream_latency_update_cb, ao);
pa_buffer_attr bufattr = {
.maxlength = -1,
.tlength = pa_usec_to_bytes(1000000, &ss),
.prebuf = -1,
.minreq = -1,
.fragsize = -1,
};
if (pa_stream_connect_playback(priv->stream, sink, &bufattr,
PA_STREAM_INTERPOLATE_TIMING
| PA_STREAM_AUTO_TIMING_UPDATE, NULL,
NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_stream_get_state(priv->stream) != PA_STREAM_READY)
goto unlock_and_fail;
pa_threaded_mainloop_unlock(priv->mainloop);
free(devarg);
return 0;
unlock_and_fail:
if (priv->mainloop)
pa_threaded_mainloop_unlock(priv->mainloop);
fail:
if (priv->context)
GENERIC_ERR_MSG(priv->context, "Init failed");
free(devarg);
uninit(ao, true);
return -1;
}
static void cork(struct ao *ao, bool pause)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_cork(priv->stream, pause, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_cork() failed");
}
// Play the specified data to the pulseaudio server
static int play(struct ao *ao, void *data, int len, int flags)
{
struct priv *priv = ao->priv;
/* For some reason Pulseaudio behaves worse if this is done after
* the write - rapidly repeated seeks result in bogus increasing
* reported latency. */
if (priv->did_reset)
cork(ao, false);
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_stream_write(priv->stream, data, len, NULL, 0,
PA_SEEK_RELATIVE) < 0) {
GENERIC_ERR_MSG(priv->context, "pa_stream_write() failed");
len = -1;
}
if (priv->did_reset) {
priv->did_reset = false;
if (!waitop(priv, pa_stream_update_timing_info(priv->stream,
success_cb, ao))
|| !priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_UPP() failed");
} else
pa_threaded_mainloop_unlock(priv->mainloop);
return len;
}
// Reset the audio stream, i.e. flush the playback buffer on the server side
static void reset(struct ao *ao)
{
// pa_stream_flush() works badly if not corked
cork(ao, true);
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_flush(priv->stream, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_flush() failed");
priv->did_reset = true;
}
static void resolver_cb(
AvahiServiceResolver *r,
AvahiIfIndex interface, AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name, const char *type, const char *domain,
const char *host_name, const AvahiAddress *a, uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
void *userdata) {
struct userdata *u = userdata;
struct tunnel *tnl;
pa_assert(u);
tnl = tunnel_new(interface, protocol, name, type, domain);
if (event != AVAHI_RESOLVER_FOUND)
pa_log("Resolving of '%s' failed: %s", name, avahi_strerror(avahi_client_errno(u->client)));
else {
char *device = NULL, *dname, *module_name, *args;
const char *t;
char at[AVAHI_ADDRESS_STR_MAX], cmt[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_sample_spec ss;
pa_channel_map cm;
AvahiStringList *l;
pa_bool_t channel_map_set = FALSE;
pa_module *m;
ss = u->core->default_sample_spec;
pa_assert_se(pa_channel_map_init_auto(&cm, ss.channels, PA_CHANNEL_MAP_AUX));
pa_channel_map_init_auto(&cm, ss.channels, PA_CHANNEL_MAP_DEFAULT);
for (l = txt; l; l = l->next) {
char *key, *value;
pa_assert_se(avahi_string_list_get_pair(l, &key, &value, NULL) == 0);
if (strcmp(key, "device") == 0) {
pa_xfree(device);
device = value;
value = NULL;
} else if (strcmp(key, "rate") == 0)
ss.rate = atoi(value);
else if (strcmp(key, "channels") == 0)
ss.channels = atoi(value);
else if (strcmp(key, "format") == 0)
ss.format = pa_parse_sample_format(value);
else if (strcmp(key, "channel_map") == 0) {
pa_channel_map_parse(&cm, value);
channel_map_set = TRUE;
}
avahi_free(key);
avahi_free(value);
}
if (!channel_map_set && cm.channels != ss.channels) {
pa_assert_se(pa_channel_map_init_auto(&cm, ss.channels, PA_CHANNEL_MAP_AUX));
pa_channel_map_init_auto(&cm, ss.channels, PA_CHANNEL_MAP_DEFAULT);
}
if (!pa_sample_spec_valid(&ss)) {
pa_log("Service '%s' contains an invalid sample specification.", name);
avahi_free(device);
goto finish;
}
if (!pa_channel_map_valid(&cm) || cm.channels != ss.channels) {
pa_log("Service '%s' contains an invalid channel map.", name);
avahi_free(device);
goto finish;
}
if (device)
dname = pa_sprintf_malloc("tunnel.%s.%s", host_name, device);
else
dname = pa_sprintf_malloc("tunnel.%s", host_name);
if (!pa_namereg_is_valid_name(dname)) {
pa_log("Cannot construct valid device name from credentials of service '%s'.", dname);
avahi_free(device);
pa_xfree(dname);
goto finish;
}
t = strstr(type, "sink") ? "sink" : "source";
module_name = pa_sprintf_malloc("module-tunnel-%s", t);
args = pa_sprintf_malloc("server=[%s]:%u "
"%s=%s "
"format=%s "
"channels=%u "
"rate=%u "
"%s_name=%s "
"channel_map=%s",
avahi_address_snprint(at, sizeof(at), a), port,
t, device,
pa_sample_format_to_string(ss.format),
ss.channels,
ss.rate,
t, dname,
pa_channel_map_snprint(cmt, sizeof(cmt), &cm));
pa_log_debug("Loading module-tunnel-%s with arguments '%s'", module_name, args);
if ((m = pa_module_load(u->core, module_name, args))) {
tnl->module_index = m->index;
pa_hashmap_put(u->tunnels, tnl, tnl);
tnl = NULL;
}
pa_xfree(module_name);
pa_xfree(dname);
pa_xfree(args);
avahi_free(device);
}
finish:
avahi_service_resolver_free(r);
if (tnl)
tunnel_free(tnl);
}
