unsigned rate; /**< Current stream sample rate */
};
+static void sink_list_cb(pa_context *, const pa_sink_info *, int, void *);
static void sink_input_info_cb(pa_context *, const pa_sink_input_info *,
int, void *);
switch (type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK)
{
+ case PA_SUBSCRIPTION_EVENT_SINK:
+ switch (type & PA_SUBSCRIPTION_EVENT_TYPE_MASK)
+ {
+ case PA_SUBSCRIPTION_EVENT_NEW:
+ case PA_SUBSCRIPTION_EVENT_CHANGE:
+ op = pa_context_get_sink_info_by_index(ctx, idx, sink_list_cb, aout);
+ if (likely(op != NULL))
+ pa_operation_unref(op);
+ break;
+
+ case PA_SUBSCRIPTION_EVENT_REMOVE:
+ var_Change(aout, "audio-device", VLC_VAR_DELCHOICE,
+ &(vlc_value_t){ .i_int = idx }, NULL);
+ break;
+ }
+ break;
+
case PA_SUBSCRIPTION_EVENT_SINK_INPUT:
if (idx != pa_stream_get_index(sys->stream))
break; /* only interested in our sink input */
i->description);
val.i_int = i->index;
text.psz_string = (char *)i->description;
+ var_Change(aout, "audio-device", VLC_VAR_DELCHOICE, &val, NULL);
var_Change(aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text);
}
(void) userdata;
}
+static void stream_event_cb(pa_stream *s, const char *name, pa_proplist *pl,
+ void *userdata)
+{
+ audio_output_t *aout = userdata;
+
+#if PA_CHECK_VERSION(1,0,0)
+ /* FIXME: expose aout_Restart() directly */
+ if (!strcmp(name, PA_STREAM_EVENT_FORMAT_LOST)) {
+ vlc_value_t dummy = { .i_int = 0 };
+
+ msg_Dbg (aout, "format lost");
+ aout_ChannelsRestart (VLC_OBJECT(aout), "audio-device",
+ dummy, dummy, NULL);
+ } else
+#endif
+ msg_Warn (aout, "unhandled event %s", name);
+ (void) s;
+ (void) pl;
+}
+
static void stream_moved_cb(pa_stream *s, void *userdata)
{
audio_output_t *aout = userdata;
/* Update the variable if someone else moved our stream */
var_Change(aout, "audio-device", VLC_VAR_SETVALUE,
&(vlc_value_t){ .i_int = idx }, NULL);
+
+ /* Sink unknown as yet, create stub choice for it */
+ if (var_GetInteger(aout, "audio-device") != idx)
+ {
+ var_Change(aout, "audio-device", VLC_VAR_ADDCHOICE,
+ &(vlc_value_t){ .i_int = idx },
+ &(vlc_value_t){ .psz_string = (char *)"?" });
+ var_Change(aout, "audio-device", VLC_VAR_SETVALUE,
+ &(vlc_value_t){ .i_int = idx }, NULL);
+ }
}
static void stream_overflow_cb(pa_stream *s, void *userdata)
/* Sample format specification */
struct pa_sample_spec ss;
vlc_fourcc_t format = aout->format.i_format;
+#if PA_CHECK_VERSION(1,0,0)
+ pa_encoding_t encoding = PA_ENCODING_INVALID;
+#endif
switch(format)
{
case VLC_CODEC_U8:
ss.format = PA_SAMPLE_U8;
break;
+#if PA_CHECK_VERSION(1,0,0)
+ case VLC_CODEC_A52:
+ format = VLC_CODEC_SPDIFL;
+ encoding = PA_ENCODING_AC3_IEC61937;
+ ss.format = HAVE_FPU ? PA_SAMPLE_FLOAT32NE : PA_SAMPLE_S16NE;
+ break;
+ /*case VLC_CODEC_EAC3:
+ format = VLC_CODEC_SPDIFL FIXME;
+ encoding = PA_ENCODING_EAC3_IEC61937;
+ ss.format = HAVE_FPU ? PA_SAMPLE_FLOAT32NE : PA_SAMPLE_S16NE;
+ break;
+ case VLC_CODEC_MPGA:
+ format = VLC_CODEC_SPDIFL FIXME;
+ encoding = PA_ENCODING_MPEG_IEC61937;
+ ss.format = HAVE_FPU ? PA_SAMPLE_FLOAT32NE : PA_SAMPLE_S16NE;
+ break;*/
+ case VLC_CODEC_DTS:
+ format = VLC_CODEC_SPDIFL;
+ encoding = PA_ENCODING_DTS_IEC61937;
+ ss.format = HAVE_FPU ? PA_SAMPLE_FLOAT32NE : PA_SAMPLE_S16NE;
+ break;
+#endif
default:
if (HAVE_FPU)
{
sys->rate = ss.rate;
/* Context events */
- const pa_subscription_mask_t mask = PA_SUBSCRIPTION_MASK_SINK_INPUT;
+ const pa_subscription_mask_t mask = PA_SUBSCRIPTION_MASK_SINK
+ | PA_SUBSCRIPTION_MASK_SINK_INPUT;
pa_context_set_subscribe_callback(ctx, context_cb, aout);
op = pa_context_subscribe(ctx, mask, NULL, NULL);
sys->base_volume = PA_VOLUME_NORM;
pa_cvolume_set(&sys->cvolume, ss.channels, PA_VOLUME_NORM);
- vlc_pa_lock();
+#if PA_CHECK_VERSION(1,0,0)
+ pa_format_info *formatv[2];
+ unsigned formatc = 0;
+
+ /* Favor digital pass-through if available*/
+ if (encoding != PA_ENCODING_INVALID) {
+ formatv[formatc] = pa_format_info_new();
+ formatv[formatc]->encoding = encoding;
+ pa_format_info_set_rate(formatv[formatc], ss.rate);
+ pa_format_info_set_channels(formatv[formatc], ss.channels);
+ formatc++;
+ }
+
+ /* Fallback to PCM */
+ formatv[formatc] = pa_format_info_new();
+ formatv[formatc]->encoding = PA_ENCODING_PCM;
+ pa_format_info_set_sample_format(formatv[formatc], ss.format);
+ pa_format_info_set_rate(formatv[formatc], ss.rate);
+ pa_format_info_set_channels(formatv[formatc], ss.channels);
+ formatc++;
+
/* Create a playback stream */
+ pa_stream *s;
+
+ vlc_pa_lock();
+ s = pa_stream_new_extended(ctx, "audio stream", formatv, formatc, NULL);
+
+ for (unsigned i = 0; i < formatc; i++)
+ pa_format_info_free(formatv[i]);
+#else
+ vlc_pa_lock();
pa_stream *s = pa_stream_new(ctx, "audio stream", &ss, &map);
+#endif
if (s == NULL) {
vlc_pa_error(obj, "stream creation failure", ctx);
goto fail;
}
sys->stream = s;
pa_stream_set_state_callback(s, stream_state_cb, NULL);
+ pa_stream_set_event_callback(s, stream_event_cb, aout);
pa_stream_set_latency_update_callback(s, stream_latency_cb, aout);
pa_stream_set_moved_callback(s, stream_moved_cb, aout);
pa_stream_set_overflow_callback(s, stream_overflow_cb, aout);
goto fail;
}
+#if PA_CHECK_VERSION(1,0,0)
+ if (encoding != PA_ENCODING_INVALID) {
+ const pa_format_info *info = pa_stream_get_format_info(s);
+
+ assert (info != NULL);
+ if (pa_format_info_is_pcm (info)) {
+ msg_Dbg(aout, "digital pass-through not available");
+ format = HAVE_FPU ? VLC_CODEC_FL32 : VLC_CODEC_S16N;
+ } else {
+ msg_Dbg(aout, "digital pass-through enabled");
+ pa_stream_set_latency_update_callback(s, NULL, NULL);
+ }
+ }
+#endif
+
const struct pa_buffer_attr *pba = pa_stream_get_buffer_attr(s);
msg_Dbg(aout, "using buffer metrics: maxlength=%u, tlength=%u, "
"prebuf=%u, minreq=%u",
/* Clear all callbacks */
pa_stream_set_state_callback(s, NULL, NULL);
+ pa_stream_set_event_callback(s, NULL, NULL);
pa_stream_set_latency_update_callback(s, NULL, NULL);
pa_stream_set_moved_callback(s, NULL, NULL);
pa_stream_set_overflow_callback(s, NULL, NULL);