pa_channel_map* pa_channel_map_init_mono(pa_channel_map *m) {
pa_assert(m);
pa_channel_map_init(m);
m->channels = 1;
m->map[0] = PA_CHANNEL_POSITION_MONO;
return m;
}
SinkInfoStruct()
{
list = NULL;
isHWDevice = false;
device_found = true;
mainloop = NULL;
samplerate = 0;
pa_channel_map_init(&map);
}
pa_channel_map* pa_channel_map_init_stereo(pa_channel_map *m) {
pa_assert(m);
pa_channel_map_init(m);
m->channels = 2;
m->map[0] = PA_CHANNEL_POSITION_LEFT;
m->map[1] = PA_CHANNEL_POSITION_RIGHT;
return m;
}
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 pa_scache_entry* scache_add_item(pa_core *c, const char *name) {
pa_scache_entry *e;
pa_assert(c);
pa_assert(name);
if ((e = pa_namereg_get(c, name, PA_NAMEREG_SAMPLE))) {
if (e->memchunk.memblock)
pa_memblock_unref(e->memchunk.memblock);
pa_xfree(e->filename);
pa_proplist_clear(e->proplist);
pa_assert(e->core == c);
pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_CHANGE, e->index);
} else {
e = pa_xnew(pa_scache_entry, 1);
if (!pa_namereg_register(c, name, PA_NAMEREG_SAMPLE, e, TRUE)) {
pa_xfree(e);
return NULL;
}
e->name = pa_xstrdup(name);
e->core = c;
e->proplist = pa_proplist_new();
pa_idxset_put(c->scache, e, &e->index);
pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_NEW, e->index);
}
e->last_used_time = 0;
pa_memchunk_reset(&e->memchunk);
e->filename = NULL;
e->lazy = FALSE;
e->last_used_time = 0;
pa_sample_spec_init(&e->sample_spec);
pa_channel_map_init(&e->channel_map);
pa_cvolume_init(&e->volume);
e->volume_is_set = FALSE;
pa_proplist_sets(e->proplist, PA_PROP_MEDIA_ROLE, "event");
return e;
}
static pa_channel_map AEChannelMapToPAChannel(const CAEChannelInfo& info)
{
pa_channel_map map;
pa_channel_map_init(&map);
pa_channel_position_t pos;
for (unsigned int i = 0; i < info.Count(); ++i)
{
pos = AEChannelToPAChannel(info[i]);
if(pos != PA_CHANNEL_POSITION_INVALID)
{
// remember channel name and increase channel count
map.map[map.channels++] = pos;
}
}
return map;
}
/* For PCM streams */
int pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
char *sf = NULL, *m = NULL;
int rate, channels;
int ret = -PA_ERR_INVALID;
pa_assert(f);
pa_assert(ss);
if (!pa_format_info_is_pcm(f))
return pa_format_info_to_sample_spec_fake(f, ss);
if (pa_format_info_get_prop_string(f, PA_PROP_FORMAT_SAMPLE_FORMAT, &sf))
goto out;
if (pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate))
goto out;
if (pa_format_info_get_prop_int(f, PA_PROP_FORMAT_CHANNELS, &channels))
goto out;
if ((ss->format = pa_parse_sample_format(sf)) == PA_SAMPLE_INVALID)
goto out;
ss->rate = (uint32_t) rate;
ss->channels = (uint8_t) channels;
if (map) {
pa_channel_map_init(map);
if (pa_format_info_get_prop_string(f, PA_PROP_FORMAT_CHANNEL_MAP, &m) == 0)
if (pa_channel_map_parse(map, m) == NULL)
goto out;
}
ret = 0;
out:
if (sf)
pa_xfree(sf);
if (m)
pa_xfree(m);
return ret;
}
/* For PCM streams */
pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
char *sf = NULL, *m = NULL;
int rate, channels;
pa_bool_t ret = FALSE;
pa_assert(f);
pa_assert(ss);
pa_return_val_if_fail(f->encoding == PA_ENCODING_PCM, FALSE);
if (!pa_format_info_get_prop_string(f, PA_PROP_FORMAT_SAMPLE_FORMAT, &sf))
goto out;
if (!pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate))
goto out;
if (!pa_format_info_get_prop_int(f, PA_PROP_FORMAT_CHANNELS, &channels))
goto out;
if ((ss->format = pa_parse_sample_format(sf)) == PA_SAMPLE_INVALID)
goto out;
ss->rate = (uint32_t) rate;
ss->channels = (uint8_t) channels;
if (map) {
pa_channel_map_init(map);
if (pa_format_info_get_prop_string(f, PA_PROP_FORMAT_CHANNEL_MAP, &m))
if (pa_channel_map_parse(map, m) == NULL)
goto out;
}
ret = TRUE;
out:
if (sf)
pa_xfree(sf);
if (m)
pa_xfree(m);
return ret;
}
pa_channel_map *
gst_pulse_gst_to_channel_map (pa_channel_map * map,
const GstAudioRingBufferSpec * spec)
{
gint i, j;
gint channels;
const GstAudioChannelPosition *pos;
pa_channel_map_init (map);
channels = GST_AUDIO_INFO_CHANNELS (&spec->info);
pos = spec->info.position;
for (j = 0; j < channels; j++) {
for (i = 0; i < G_N_ELEMENTS (gst_pa_pos_table); i++) {
if (pos[j] == gst_pa_pos_table[i].gst_pos) {
map->map[j] = gst_pa_pos_table[i].pa_pos;
break;
}
}
if (i == G_N_ELEMENTS (gst_pa_pos_table))
return NULL;
}
if (j != spec->info.channels) {
return NULL;
}
map->channels = spec->info.channels;
if (!pa_channel_map_valid (map)) {
return NULL;
}
return map;
}
FXbool PulseOutput::configure(const AudioFormat & fmt){
const pa_sample_spec * config=nullptr;
pa_operation *operation=nullptr;
if (!open())
return false;
if (stream && fmt==af)
return true;
if (stream) {
pa_stream_disconnect(stream);
pa_stream_unref(stream);
stream=nullptr;
}
pa_sample_spec spec;
pa_channel_map cmap;
if (!to_pulse_format(fmt,spec.format))
goto failed;
spec.rate = fmt.rate;
spec.channels = fmt.channels;
// setup channel map
pa_channel_map_init(&cmap);
cmap.channels = fmt.channels;
for (FXint i=0;i<fmt.channels;i++) {
switch(fmt.channeltype(i)) {
case Channel::None : cmap.map[i] = PA_CHANNEL_POSITION_INVALID; break;
case Channel::Mono : cmap.map[i] = PA_CHANNEL_POSITION_MONO; break;
case Channel::FrontLeft : cmap.map[i] = PA_CHANNEL_POSITION_FRONT_LEFT; break;
case Channel::FrontRight : cmap.map[i] = PA_CHANNEL_POSITION_FRONT_RIGHT; break;
case Channel::FrontCenter : cmap.map[i] = PA_CHANNEL_POSITION_FRONT_CENTER; break;
case Channel::BackLeft : cmap.map[i] = PA_CHANNEL_POSITION_REAR_LEFT; break;
case Channel::BackRight : cmap.map[i] = PA_CHANNEL_POSITION_REAR_RIGHT; break;
case Channel::BackCenter : cmap.map[i] = PA_CHANNEL_POSITION_REAR_CENTER; break;
case Channel::SideLeft : cmap.map[i] = PA_CHANNEL_POSITION_SIDE_LEFT; break;
case Channel::SideRight : cmap.map[i] = PA_CHANNEL_POSITION_SIDE_RIGHT; break;
case Channel::LFE : cmap.map[i] = PA_CHANNEL_POSITION_LFE; break;
default: goto failed;
}
}
stream = pa_stream_new(pulse_context,"Goggles Music Manager",&spec,&cmap);
if (stream == nullptr)
goto failed;
#ifdef DEBUG
pa_stream_set_state_callback(stream,stream_state_callback,this);
#endif
//pa_stream_set_write_callback(stream,stream_write_callback,this);
if (pa_stream_connect_playback(stream,nullptr,nullptr,PA_STREAM_NOFLAGS,nullptr,nullptr)<0)
goto failed;
/// Wait until stream is ready
pa_stream_state_t state;
while((state=pa_stream_get_state(stream))!=PA_STREAM_READY) {
if (state==PA_STREAM_FAILED || state==PA_STREAM_TERMINATED){
goto failed;
}
context->wait_plugin_events();
}
/// Get Actual Format
config = pa_stream_get_sample_spec(stream);
if (!to_gap_format(config->format,af))
goto failed;
af.channels=config->channels;
af.rate=config->rate;
af.channelmap=fmt.channelmap;
/// Get Current Volume
operation = pa_context_get_sink_input_info(pulse_context,pa_stream_get_index(stream),sink_info_callback,this);
if (operation) pa_operation_unref(operation);
return true;
failed:
GM_DEBUG_PRINT("[pulse] Unsupported pulse configuration:\n");
fmt.debug();
return false;
}
int ao_plugin_open(ao_device *device, ao_sample_format *format) {
char *p=NULL, t[256], t2[256];
const char *fn = NULL;
ao_pulse_internal *internal;
struct pa_sample_spec ss;
struct pa_channel_map map;
struct pa_buffer_attr battr;
size_t allocated = 128;
assert(device && device->internal && format);
internal = (ao_pulse_internal *) device->internal;
if (format->bits == 8)
ss.format = PA_SAMPLE_U8;
else if (format->bits == 16)
ss.format = PA_SAMPLE_S16NE;
#ifdef PA_SAMPLE_S24NE
else if (format->bits == 24)
ss.format = PA_SAMPLE_S24NE;
#endif
else
return 0;
if (device->output_channels <= 0 || device->output_channels > PA_CHANNELS_MAX)
return 0;
ss.channels = device->output_channels;
ss.rate = format->rate;
disable_sigpipe();
if (internal->client_name) {
snprintf(t, sizeof(t), "libao[%s]", internal->client_name);
snprintf(t2, sizeof(t2), "libao[%s] playback stream", internal->client_name);
} else {
while (1) {
p = pa_xmalloc(allocated);
if (!(fn = pa_get_binary_name(p, allocated))) {
break;
}
if (fn != p || strlen(p) < allocated - 1) {
fn = pa_path_get_filename(fn);
snprintf(t, sizeof(t), "libao[%s]", fn);
snprintf(t2, sizeof(t2), "libao[%s] playback stream", fn);
break;
}
pa_xfree(p);
allocated *= 2;
}
pa_xfree(p);
p = NULL;
if (!fn) {
strcpy(t, "libao");
strcpy(t2, "libao playback stream");
}
}
if(device->input_map){
int i;
pa_channel_map_init(&map);
map.channels=device->output_channels;
for(i=0;i<device->output_channels;i++){
if(device->input_map[i]==-1){
map.map[i] = PA_CHANNEL_POSITION_INVALID;
}else{
map.map[i] = device->input_map[i];
}
}
}
/* buffering attributes */
battr.prebuf = battr.minreq = battr.fragsize = -1;
battr.tlength = (int)(internal->buffer_time * format->rate) / 1000000 *
((format->bits+7)/8) + device->output_channels;
battr.minreq = battr.tlength/4;
battr.maxlength = battr.tlength+battr.minreq;
internal->simple = pa_simple_new(internal->server, t, PA_STREAM_PLAYBACK,
internal->sink, t2, &ss,
(device->input_map ? &map : NULL), &battr, NULL);
if (!internal->simple)
return 0;
device->driver_byte_format = AO_FMT_NATIVE;
internal->static_delay = pa_simple_get_latency(internal->simple, NULL);
if(internal->static_delay<0) internal->static_delay = 0;
return 1;
}
bool CAESinkPULSE::Initialize(AEAudioFormat &format, std::string &device)
{
{
CSingleLock lock(m_sec);
m_IsAllocated = false;
}
m_passthrough = false;
m_BytesPerSecond = 0;
m_BufferSize = 0;
m_filled_bytes = 0;
m_lastPackageStamp = 0;
m_Channels = 0;
m_Stream = NULL;
m_Context = NULL;
m_periodSize = 0;
if (!SetupContext(NULL, &m_Context, &m_MainLoop))
{
CLog::Log(LOGNOTICE, "PulseAudio might not be running. Context was not created.");
Deinitialize();
return false;
}
pa_threaded_mainloop_lock(m_MainLoop);
struct pa_channel_map map;
pa_channel_map_init(&map);
// PULSE cannot cope with e.g. planar formats so we fallback to FLOAT
// when we receive an invalid pulse format
if (AEFormatToPulseFormat(format.m_dataFormat) == PA_SAMPLE_INVALID)
{
CLog::Log(LOGDEBUG, "PULSE does not support format: %s - will fallback to AE_FMT_FLOAT", CAEUtil::DataFormatToStr(format.m_dataFormat));
format.m_dataFormat = AE_FMT_FLOAT;
}
m_passthrough = AE_IS_RAW(format.m_dataFormat);
if(m_passthrough)
{
map.channels = 2;
format.m_channelLayout = AE_CH_LAYOUT_2_0;
}
else
{
map = AEChannelMapToPAChannel(format.m_channelLayout);
// if count has changed we need to fit the AE Map
if(map.channels != format.m_channelLayout.Count())
format.m_channelLayout = PAChannelToAEChannelMap(map);
}
m_Channels = format.m_channelLayout.Count();
// store information about current sink
SinkInfoStruct sinkStruct;
sinkStruct.mainloop = m_MainLoop;
sinkStruct.device_found = false;
// get real sample rate of the device we want to open - to avoid resampling
bool isDefaultDevice = (device == "Default");
WaitForOperation(pa_context_get_sink_info_by_name(m_Context, isDefaultDevice ? NULL : device.c_str(), SinkInfoCallback, &sinkStruct), m_MainLoop, "Get Sink Info");
// only check if the device is existing - don't alter the sample rate
if (!sinkStruct.device_found)
{
CLog::Log(LOGERROR, "PulseAudio: Sink %s not found", device.c_str());
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
// Pulse can resample everything between 1 hz and 192000 hz
// Make sure we are in the range that we originally added
format.m_sampleRate = std::max(5512U, std::min(format.m_sampleRate, 192000U));
pa_format_info *info[1];
info[0] = pa_format_info_new();
info[0]->encoding = AEFormatToPulseEncoding(format.m_dataFormat);
if(!m_passthrough)
{
pa_format_info_set_sample_format(info[0], AEFormatToPulseFormat(format.m_dataFormat));
pa_format_info_set_channel_map(info[0], &map);
}
pa_format_info_set_channels(info[0], m_Channels);
// PA requires m_encodedRate in order to do EAC3
unsigned int samplerate = format.m_sampleRate;
if (m_passthrough && (AEFormatToPulseEncoding(format.m_dataFormat) == PA_ENCODING_EAC3_IEC61937))
{
// this is only used internally for PA to use EAC3
samplerate = format.m_encodedRate;
}
pa_format_info_set_rate(info[0], samplerate);
if (!pa_format_info_valid(info[0]))
{
CLog::Log(LOGERROR, "PulseAudio: Invalid format info");
pa_format_info_free(info[0]);
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
pa_sample_spec spec;
#if PA_CHECK_VERSION(2,0,0)
pa_format_info_to_sample_spec(info[0], &spec, NULL);
#else
spec.rate = (AEFormatToPulseEncoding(format.m_dataFormat) == PA_ENCODING_EAC3_IEC61937) ? 4 * samplerate : samplerate;
spec.format = AEFormatToPulseFormat(format.m_dataFormat);
spec.channels = m_Channels;
#endif
if (!pa_sample_spec_valid(&spec))
{
CLog::Log(LOGERROR, "PulseAudio: Invalid sample spec");
pa_format_info_free(info[0]);
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
m_BytesPerSecond = pa_bytes_per_second(&spec);
unsigned int frameSize = pa_frame_size(&spec);
m_Stream = pa_stream_new_extended(m_Context, "kodi audio stream", info, 1, NULL);
pa_format_info_free(info[0]);
if (m_Stream == NULL)
{
CLog::Log(LOGERROR, "PulseAudio: Could not create a stream");
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
pa_stream_set_state_callback(m_Stream, StreamStateCallback, m_MainLoop);
pa_stream_set_write_callback(m_Stream, StreamRequestCallback, m_MainLoop);
pa_stream_set_latency_update_callback(m_Stream, StreamLatencyUpdateCallback, m_MainLoop);
// default buffer construction
// align with AE's max buffer
unsigned int latency = m_BytesPerSecond / 2.5; // 400 ms
unsigned int process_time = latency / 4; // 100 ms
if(sinkStruct.isHWDevice)
{
// on hw devices buffers can be further reduced
// 200ms max latency
// 50ms min packet size
latency = m_BytesPerSecond / 5;
process_time = latency / 4;
}
pa_buffer_attr buffer_attr;
buffer_attr.fragsize = latency;
buffer_attr.maxlength = (uint32_t) -1;
buffer_attr.minreq = process_time;
buffer_attr.prebuf = (uint32_t) -1;
buffer_attr.tlength = latency;
if (pa_stream_connect_playback(m_Stream, isDefaultDevice ? NULL : device.c_str(), &buffer_attr, ((pa_stream_flags)(PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_ADJUST_LATENCY)), NULL, NULL) < 0)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to connect stream to output");
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
/* Wait until the stream is ready */
do
{
pa_threaded_mainloop_wait(m_MainLoop);
CLog::Log(LOGDEBUG, "PulseAudio: Stream %s", StreamStateToString(pa_stream_get_state(m_Stream)));
}
while (pa_stream_get_state(m_Stream) != PA_STREAM_READY && pa_stream_get_state(m_Stream) != PA_STREAM_FAILED);
if (pa_stream_get_state(m_Stream) == PA_STREAM_FAILED)
{
CLog::Log(LOGERROR, "PulseAudio: Waited for the stream but it failed");
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
const pa_buffer_attr *a;
if (!(a = pa_stream_get_buffer_attr(m_Stream)))
{
CLog::Log(LOGERROR, "PulseAudio: %s", pa_strerror(pa_context_errno(m_Context)));
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
else
{
unsigned int packetSize = a->minreq;
m_BufferSize = a->tlength;
m_periodSize = a->minreq;
format.m_frames = packetSize / frameSize;
}
{
CSingleLock lock(m_sec);
// Register Callback for Sink changes
pa_context_set_subscribe_callback(m_Context, SinkChangedCallback, this);
const pa_subscription_mask_t mask = PA_SUBSCRIPTION_MASK_SINK;
pa_operation *op = pa_context_subscribe(m_Context, mask, NULL, this);
if (op != NULL)
pa_operation_unref(op);
// Register Callback for Sink Info changes - this handles volume
pa_context_set_subscribe_callback(m_Context, SinkInputInfoChangedCallback, this);
const pa_subscription_mask_t mask_input = PA_SUBSCRIPTION_MASK_SINK_INPUT;
pa_operation* op_sinfo = pa_context_subscribe(m_Context, mask_input, NULL, this);
if (op_sinfo != NULL)
pa_operation_unref(op_sinfo);
}
pa_threaded_mainloop_unlock(m_MainLoop);
format.m_frameSize = frameSize;
format.m_frameSamples = format.m_frames * format.m_channelLayout.Count();
m_format = format;
format.m_dataFormat = m_passthrough ? AE_FMT_S16NE : format.m_dataFormat;
CLog::Log(LOGNOTICE, "PulseAudio: Opened device %s in %s mode with Buffersize %u ms",
device.c_str(), m_passthrough ? "passthrough" : "pcm",
(unsigned int) ((m_BufferSize / (float) m_BytesPerSecond) * 1000));
// Cork stream will resume when adding first package
Pause(true);
{
CSingleLock lock(m_sec);
m_IsAllocated = true;
}
return true;
}
/**
* Setup a new stream based on the properties of the given audio_buf
*/
static void
stream_setup(pa_audio_mode_t *pam, audio_buf_t *ab)
{
pa_stream *s;
char buf[100];
int flags = 0;
#if PA_API_VERSION >= 12
pa_proplist *pl;
media_pipe_t *mp = ab->ab_mp;
#endif
pa_channel_map map;
pa_cvolume cv;
memset(&pam->ss, 0, sizeof(pa_sample_spec));
pam->ss.format = ab->ab_isfloat ? PA_SAMPLE_FLOAT32NE : PA_SAMPLE_S16NE;
pam->ss.rate = ab->ab_samplerate;
switch(ab->ab_format) {
case AM_FORMAT_PCM_STEREO:
pam->ss.channels = 2;
pa_channel_map_init_stereo(&map);
break;
case AM_FORMAT_PCM_5DOT0:
pam->ss.channels = 5;
pa_channel_map_init(&map);
map.channels = 5;
map.map[0] = PA_CHANNEL_POSITION_LEFT;
map.map[1] = PA_CHANNEL_POSITION_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_CENTER;
map.map[3] = PA_CHANNEL_POSITION_SIDE_LEFT;
map.map[4] = PA_CHANNEL_POSITION_SIDE_RIGHT;
break;
case AM_FORMAT_PCM_5DOT1:
pam->ss.channels = 6;
pa_channel_map_init(&map);
map.channels = 6;
map.map[0] = PA_CHANNEL_POSITION_LEFT;
map.map[1] = PA_CHANNEL_POSITION_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_CENTER;
map.map[3] = PA_CHANNEL_POSITION_LFE;
map.map[4] = PA_CHANNEL_POSITION_SIDE_LEFT;
map.map[5] = PA_CHANNEL_POSITION_SIDE_RIGHT;
break;
case AM_FORMAT_PCM_7DOT1:
pam->ss.channels = 8;
pa_channel_map_init(&map);
map.channels = 8;
map.map[0] = PA_CHANNEL_POSITION_LEFT;
map.map[1] = PA_CHANNEL_POSITION_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_CENTER;
map.map[3] = PA_CHANNEL_POSITION_LFE;
map.map[4] = PA_CHANNEL_POSITION_SIDE_LEFT;
map.map[5] = PA_CHANNEL_POSITION_SIDE_RIGHT;
map.map[6] = PA_CHANNEL_POSITION_REAR_LEFT;
map.map[7] = PA_CHANNEL_POSITION_REAR_RIGHT;
break;
case AM_FORMAT_PCM_6DOT1:
pam->ss.channels = 7;
pa_channel_map_init(&map);
map.channels = 7;
map.map[0] = PA_CHANNEL_POSITION_LEFT;
map.map[1] = PA_CHANNEL_POSITION_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_CENTER;
map.map[3] = PA_CHANNEL_POSITION_LFE;
map.map[4] = PA_CHANNEL_POSITION_SIDE_LEFT;
map.map[5] = PA_CHANNEL_POSITION_SIDE_RIGHT;
map.map[6] = PA_CHANNEL_POSITION_REAR_CENTER;
break;
default:
abort();
}
TRACE(TRACE_DEBUG, "PA", "Created stream %s",
pa_sample_spec_snprint(buf, sizeof(buf), &pam->ss));
#if PA_API_VERSION >= 12
pl = pa_proplist_new();
if(mp->mp_flags & MP_VIDEO)
pa_proplist_sets(pl, PA_PROP_MEDIA_ROLE, "video");
else
pa_proplist_sets(pl, PA_PROP_MEDIA_ROLE, "music");
s = pa_stream_new_with_proplist(pam->context, "Showtime playback",
&pam->ss, &map, pl);
pa_proplist_free(pl);
#else
s = pa_stream_new(pam->context, "Showtime playback", &pam->ss, &map);
#endif
pa_stream_set_state_callback(s, stream_state_callback, pam);
pa_stream_set_write_callback(s, stream_write_callback, pam);
flags |= PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_INTERPOLATE_TIMING;
memset(&cv, 0, sizeof(cv));
pa_cvolume_set(&cv, pam->ss.channels, pam->mastervol);
#if 1
pa_buffer_attr pba = {0};
pba.fragsize = (uint32_t)-1;
pba.maxlength = 16 * 1024;
pba.minreq = 3 * 1024;
pba.prebuf = 8 * 1024;
pba.tlength = 12 * 1024;
#endif
pa_stream_connect_playback(s, NULL, &pba, flags, &cv, NULL);
pam->stream = s;
pam->cur_rate = ab->ab_samplerate;
pam->cur_format = ab->ab_format;
pam->cur_isfloat = ab->ab_isfloat;
}
static int
pulseaudio_audio_reconfig(audio_decoder_t *ad)
{
decoder_t *d = (decoder_t *)ad;
int i;
pa_threaded_mainloop_lock(mainloop);
if(pulseaudio_make_context_ready()) {
pa_threaded_mainloop_unlock(mainloop);
return -1;
}
if(d->s) {
pa_stream_disconnect(d->s);
pa_stream_unref(d->s);
}
pa_channel_map map;
ad->ad_out_sample_rate = ad->ad_in_sample_rate;
d->ss.rate = ad->ad_in_sample_rate;
switch(ad->ad_in_sample_format) {
case AV_SAMPLE_FMT_S32:
case AV_SAMPLE_FMT_S32P:
ad->ad_out_sample_format = AV_SAMPLE_FMT_S32;
d->ss.format = PA_SAMPLE_S32NE;
d->framesize = sizeof(int32_t);
break;
case AV_SAMPLE_FMT_S16:
case AV_SAMPLE_FMT_S16P:
ad->ad_out_sample_format = AV_SAMPLE_FMT_S16;
d->ss.format = PA_SAMPLE_S16NE;
d->framesize = sizeof(int16_t);
break;
default:
ad->ad_out_sample_format = AV_SAMPLE_FMT_FLT;
d->ss.format = PA_SAMPLE_FLOAT32NE;
d->framesize = sizeof(float);
break;
}
switch(ad->ad_in_channel_layout) {
case AV_CH_LAYOUT_MONO:
d->ss.channels = 1;
ad->ad_out_channel_layout = AV_CH_LAYOUT_MONO;
pa_channel_map_init_mono(&map);
break;
case AV_CH_LAYOUT_STEREO:
d->ss.channels = 2;
ad->ad_out_channel_layout = AV_CH_LAYOUT_STEREO;
pa_channel_map_init_stereo(&map);
default:
pa_channel_map_init(&map);
for(i = 0; i < sizeof(av2pa_map) / sizeof(av2pa_map[0]); i++) {
if(ad->ad_in_channel_layout & av2pa_map[i].avmask) {
ad->ad_out_channel_layout |= av2pa_map[i].avmask;
map.map[map.channels++] = av2pa_map[i].papos;
}
}
d->ss.channels = map.channels;
break;
}
d->framesize *= d->ss.channels;
ad->ad_tile_size = pa_context_get_tile_size(ctx, &d->ss) / d->framesize;
char buf[100];
char buf2[PA_CHANNEL_MAP_SNPRINT_MAX];
TRACE(TRACE_DEBUG, "PA", "Created stream %s [%s] (tilesize=%d)",
pa_sample_spec_snprint(buf, sizeof(buf), &d->ss),
pa_channel_map_snprint(buf2, sizeof(buf2), &map),
ad->ad_tile_size);
#if PA_API_VERSION >= 12
pa_proplist *pl = pa_proplist_new();
media_pipe_t *mp = ad->ad_mp;
if(mp->mp_flags & MP_VIDEO)
pa_proplist_sets(pl, PA_PROP_MEDIA_ROLE, "video");
else
pa_proplist_sets(pl, PA_PROP_MEDIA_ROLE, "music");
d->s = pa_stream_new_with_proplist(ctx, "Showtime playback",
&d->ss, &map, pl);
pa_proplist_free(pl);
#else
d->s = pa_stream_new(ctx, "Showtime playback", &ss, &map);
#endif
int flags = 0;
pa_stream_set_state_callback(d->s, stream_state_callback, d);
pa_stream_set_write_callback(d->s, stream_write_callback, d);
flags |= PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_INTERPOLATE_TIMING;
pa_stream_connect_playback(d->s, NULL, NULL, flags, NULL, NULL);
while(1) {
switch(pa_stream_get_state(d->s)) {
case PA_STREAM_UNCONNECTED:
case PA_STREAM_CREATING:
pa_threaded_mainloop_wait(mainloop);
continue;
case PA_STREAM_READY:
pa_threaded_mainloop_unlock(mainloop);
return 0;
case PA_STREAM_TERMINATED:
case PA_STREAM_FAILED:
pa_threaded_mainloop_unlock(mainloop);
return 1;
}
}
}
pa_channel_map *pa_channel_map_parse(pa_channel_map *rmap, const char *s) {
const char *state;
pa_channel_map map;
char *p;
pa_assert(rmap);
pa_assert(s);
pa_channel_map_init(&map);
/* We don't need to match against the well known channel mapping
* "mono" here explicitly, because that can be understood as
* listing with one channel called "mono". */
if (pa_streq(s, "stereo")) {
map.channels = 2;
map.map[0] = PA_CHANNEL_POSITION_LEFT;
map.map[1] = PA_CHANNEL_POSITION_RIGHT;
goto finish;
} else if (pa_streq(s, "surround-40")) {
map.channels = 4;
map.map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
map.map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_REAR_LEFT;
map.map[3] = PA_CHANNEL_POSITION_REAR_RIGHT;
goto finish;
} else if (pa_streq(s, "surround-41")) {
map.channels = 5;
map.map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
map.map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_REAR_LEFT;
map.map[3] = PA_CHANNEL_POSITION_REAR_RIGHT;
map.map[4] = PA_CHANNEL_POSITION_LFE;
goto finish;
} else if (pa_streq(s, "surround-50")) {
map.channels = 5;
map.map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
map.map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_REAR_LEFT;
map.map[3] = PA_CHANNEL_POSITION_REAR_RIGHT;
map.map[4] = PA_CHANNEL_POSITION_FRONT_CENTER;
goto finish;
} else if (pa_streq(s, "surround-51")) {
map.channels = 6;
map.map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
map.map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_REAR_LEFT;
map.map[3] = PA_CHANNEL_POSITION_REAR_RIGHT;
map.map[4] = PA_CHANNEL_POSITION_FRONT_CENTER;
map.map[5] = PA_CHANNEL_POSITION_LFE;
goto finish;
} else if (pa_streq(s, "surround-71")) {
map.channels = 8;
map.map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
map.map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
map.map[2] = PA_CHANNEL_POSITION_REAR_LEFT;
map.map[3] = PA_CHANNEL_POSITION_REAR_RIGHT;
map.map[4] = PA_CHANNEL_POSITION_FRONT_CENTER;
map.map[5] = PA_CHANNEL_POSITION_LFE;
map.map[6] = PA_CHANNEL_POSITION_SIDE_LEFT;
map.map[7] = PA_CHANNEL_POSITION_SIDE_RIGHT;
goto finish;
}
state = NULL;
map.channels = 0;
while ((p = pa_split(s, ",", &state))) {
pa_channel_position_t f;
if (map.channels >= PA_CHANNELS_MAX) {
pa_xfree(p);
return NULL;
}
if ((f = pa_channel_position_from_string(p)) == PA_CHANNEL_POSITION_INVALID) {
pa_xfree(p);
return NULL;
}
map.map[map.channels++] = f;
pa_xfree(p);
}
finish:
if (!pa_channel_map_valid(&map))
return NULL;
*rmap = map;
return rmap;
}
pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels, pa_channel_map_def_t def) {
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);
m->channels = (uint8_t) channels;
switch (def) {
case PA_CHANNEL_MAP_AIFF:
/* This is somewhat compatible with RFC3551 */
switch (channels) {
case 1:
m->map[0] = PA_CHANNEL_POSITION_MONO;
return m;
case 6:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER;
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
m->map[3] = PA_CHANNEL_POSITION_FRONT_RIGHT;
m->map[4] = PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER;
m->map[5] = PA_CHANNEL_POSITION_REAR_CENTER;
return m;
case 5:
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
m->map[3] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[4] = PA_CHANNEL_POSITION_REAR_RIGHT;
/* Fall through */
case 2:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
return m;
case 3:
m->map[0] = PA_CHANNEL_POSITION_LEFT;
m->map[1] = PA_CHANNEL_POSITION_RIGHT;
m->map[2] = PA_CHANNEL_POSITION_CENTER;
return m;
case 4:
m->map[0] = PA_CHANNEL_POSITION_LEFT;
m->map[1] = PA_CHANNEL_POSITION_CENTER;
m->map[2] = PA_CHANNEL_POSITION_RIGHT;
m->map[3] = PA_CHANNEL_POSITION_REAR_CENTER;
return m;
default:
return NULL;
}
case PA_CHANNEL_MAP_ALSA:
switch (channels) {
case 1:
m->map[0] = PA_CHANNEL_POSITION_MONO;
return m;
case 8:
m->map[6] = PA_CHANNEL_POSITION_SIDE_LEFT;
m->map[7] = PA_CHANNEL_POSITION_SIDE_RIGHT;
/* Fall through */
case 6:
m->map[5] = PA_CHANNEL_POSITION_LFE;
/* Fall through */
case 5:
m->map[4] = PA_CHANNEL_POSITION_FRONT_CENTER;
/* Fall through */
case 4:
m->map[2] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[3] = PA_CHANNEL_POSITION_REAR_RIGHT;
/* Fall through */
case 2:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
return m;
default:
return NULL;
}
case PA_CHANNEL_MAP_AUX: {
unsigned i;
for (i = 0; i < channels; i++)
m->map[i] = PA_CHANNEL_POSITION_AUX0 + i;
return m;
}
case PA_CHANNEL_MAP_WAVEEX:
/* Following http://www.microsoft.com/whdc/device/audio/multichaud.mspx#EKLAC */
switch (channels) {
case 1:
m->map[0] = PA_CHANNEL_POSITION_MONO;
return m;
case 18:
m->map[15] = PA_CHANNEL_POSITION_TOP_REAR_LEFT;
m->map[16] = PA_CHANNEL_POSITION_TOP_REAR_CENTER;
m->map[17] = PA_CHANNEL_POSITION_TOP_REAR_RIGHT;
/* Fall through */
case 15:
m->map[12] = PA_CHANNEL_POSITION_TOP_FRONT_LEFT;
m->map[13] = PA_CHANNEL_POSITION_TOP_FRONT_CENTER;
m->map[14] = PA_CHANNEL_POSITION_TOP_FRONT_RIGHT;
/* Fall through */
case 12:
m->map[11] = PA_CHANNEL_POSITION_TOP_CENTER;
/* Fall through */
case 11:
m->map[9] = PA_CHANNEL_POSITION_SIDE_LEFT;
m->map[10] = PA_CHANNEL_POSITION_SIDE_RIGHT;
/* Fall through */
case 9:
m->map[8] = PA_CHANNEL_POSITION_REAR_CENTER;
/* Fall through */
case 8:
m->map[6] = PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER;
m->map[7] = PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER;
/* Fall through */
case 6:
m->map[4] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[5] = PA_CHANNEL_POSITION_REAR_RIGHT;
/* Fall through */
case 4:
m->map[3] = PA_CHANNEL_POSITION_LFE;
/* Fall through */
case 3:
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
/* Fall through */
case 2:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
return m;
default:
return NULL;
}
case PA_CHANNEL_MAP_OSS:
switch (channels) {
case 1:
m->map[0] = PA_CHANNEL_POSITION_MONO;
return m;
case 8:
m->map[6] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[7] = PA_CHANNEL_POSITION_REAR_RIGHT;
/* Fall through */
case 6:
m->map[4] = PA_CHANNEL_POSITION_SIDE_LEFT;
m->map[5] = PA_CHANNEL_POSITION_SIDE_RIGHT;
/* Fall through */
case 4:
m->map[3] = PA_CHANNEL_POSITION_LFE;
/* Fall through */
case 3:
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
/* Fall through */
case 2:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
return m;
default:
return NULL;
}
default:
pa_assert_not_reached();
}
}
