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-rw-r--r--meta-pipewire/recipes-connectivity/bluez-alsa/bluez-alsa/0001-utils-add-a-gstreamer-helper-application-for-interco.patch75
1 files changed, 64 insertions, 11 deletions
diff --git a/meta-pipewire/recipes-connectivity/bluez-alsa/bluez-alsa/0001-utils-add-a-gstreamer-helper-application-for-interco.patch b/meta-pipewire/recipes-connectivity/bluez-alsa/bluez-alsa/0001-utils-add-a-gstreamer-helper-application-for-interco.patch
index 37c03218..6c9a388c 100644
--- a/meta-pipewire/recipes-connectivity/bluez-alsa/bluez-alsa/0001-utils-add-a-gstreamer-helper-application-for-interco.patch
+++ b/meta-pipewire/recipes-connectivity/bluez-alsa/bluez-alsa/0001-utils-add-a-gstreamer-helper-application-for-interco.patch
@@ -1,4 +1,4 @@
-From 33555a493af67f3acc2129764a1b093aec6254d8 Mon Sep 17 00:00:00 2001
+From f2e6a0a324106b40195f88953e55a355875d2b1b Mon Sep 17 00:00:00 2001
From: George Kiagiadakis <george.kiagiadakis@collabora.com>
Date: Fri, 4 Oct 2019 20:51:24 +0300
Subject: [PATCH] utils: add a gstreamer helper application for interconnection
@@ -24,8 +24,8 @@ Upstream-Status: Inappropriate
---
configure.ac | 7 +
utils/Makefile.am | 20 +++
- utils/gst-helper.c | 379 +++++++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 406 insertions(+)
+ utils/gst-helper.c | 432 +++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 459 insertions(+)
create mode 100644 utils/gst-helper.c
diff --git a/configure.ac b/configure.ac
@@ -76,10 +76,10 @@ index 9057f2c..9790474 100644
+endif
diff --git a/utils/gst-helper.c b/utils/gst-helper.c
new file mode 100644
-index 0000000..1b021ee
+index 0000000..de1d47c
--- /dev/null
+++ b/utils/gst-helper.c
-@@ -0,0 +1,379 @@
+@@ -0,0 +1,432 @@
+/* Bluez-Alsa PipeWire integration GStreamer helper
+ *
+ * Copyright © 2016-2019 Arkadiusz Bokowy
@@ -123,6 +123,9 @@ index 0000000..1b021ee
+ int ba_pcm_ctrl_fd;
+ /* the gstreamer pipelines (sink & source) */
+ GstElement *pipeline[2];
++ /* the queue & pwaudiosink of the sink pipeline */
++ GstElement *queue;
++ GstElement *pwelem;
+};
+
+static struct ba_dbus_ctx dbus_ctx;
@@ -141,11 +144,44 @@ index 0000000..1b021ee
+ main_loop_on = false;
+}
+
++static GstBusSyncReply
++bus_sync_handler(GstBus *bus, GstMessage *message, gpointer user_data)
++{
++ struct worker *w = user_data;
++ GstState s;
++
++ switch (GST_MESSAGE_TYPE (message)) {
++ case GST_MESSAGE_REQUEST_STATE:
++ gst_message_parse_request_state (message, &s);
++
++ debug ("corked: %d", (s == GST_STATE_PAUSED));
++
++ /* drop queue data when corked */
++ g_object_set (w->queue,
++ "leaky", (s == GST_STATE_PAUSED) ? 2 /* downstream */ : 0 /* no */,
++ NULL);
++ gst_element_set_state (w->pwelem, s);
++
++ /* flush the queue when resuming */
++ if (s == GST_STATE_PLAYING) {
++ gst_element_send_event (w->queue, gst_event_new_flush_start ());
++ gst_element_send_event (w->queue, gst_event_new_flush_stop (FALSE));
++ }
++ break;
++ default:
++ break;
++ }
++
++ gst_message_unref (message);
++ return GST_BUS_DROP;
++}
++
+static int
+worker_start_pipeline(struct worker *w, int id, int mode, int profile)
+{
+ GError *gerr = NULL;
+ DBusError err = DBUS_ERROR_INIT;
++ const gchar * role = NULL;
+
+ if (w->pipeline[id])
+ return 0;
@@ -172,9 +208,15 @@ index 0000000..1b021ee
+ "! rawaudioparse use-sink-caps=true ! m. "
+ /* take the mixer output, convert and push to pipewire */
+ "m.src ! capsfilter name=capsf3 ! audioconvert ! audioresample "
-+ "! audio/x-raw,format=F32LE,rate=48000 ! pwaudiosink name=pwelem",
++ "! audio/x-raw,format=F32LE,rate=48000 ! identity sync=true "
++ "! queue name=queue leaky=no max-size-time=0 max-size-buffers=0 max-size-bytes=192000 "
++ "! pwaudiosink name=pwelem",
+ &gerr);
-+ } else if (mode == BA_PCM_FLAG_SOURCE && profile == BA_PCM_FLAG_PROFILE_SCO) {
++
++ /* a2dp is for music, sco is for calls */
++ role = (profile == BA_PCM_FLAG_PROFILE_A2DP) ? "Multimedia" : "Communication";
++ }
++ else if (mode == BA_PCM_FLAG_SOURCE && profile == BA_PCM_FLAG_PROFILE_SCO) {
+ debug("source start");
+ w->pipeline[id] = gst_parse_launch(
+ /* read from pipewire and put the buffers on a leaky queue, which
@@ -183,9 +225,11 @@ index 0000000..1b021ee
+ 9600 bytes = 50ms @ F32LE/1ch/48000
+ */
+ "pwaudiosrc name=pwelem ! audio/x-raw,format=F32LE,rate=48000 "
-+ "! queue leaky=downstream max-size-time=0 max-size-buffers=0 max-size-bytes=9600 "
++ "! queue name=queue leaky=downstream max-size-time=0 max-size-buffers=0 max-size-bytes=9600 "
+ "! audioconvert ! audioresample ! capsfilter name=capsf "
+ "! fdsink name=fdelem", &gerr);
++
++ role = "Communication";
+ }
+
+ if (gerr) {
@@ -198,6 +242,7 @@ index 0000000..1b021ee
+ g_autofree gchar *capsstr = NULL;
+ g_autoptr (GstElement) fdelem = gst_bin_get_by_name(GST_BIN(w->pipeline[id]), "fdelem");
+ g_autoptr (GstElement) pwelem = gst_bin_get_by_name(GST_BIN(w->pipeline[id]), "pwelem");
++ g_autoptr (GstElement) queue = gst_bin_get_by_name(GST_BIN(w->pipeline[id]), "queue");
+ g_autoptr (GstElement) capsf = gst_bin_get_by_name(GST_BIN(w->pipeline[id]), "capsf");
+ g_autoptr (GstElement) capsf2 = gst_bin_get_by_name(GST_BIN(w->pipeline[id]), "capsf2");
+ g_autoptr (GstElement) capsf3 = gst_bin_get_by_name(GST_BIN(w->pipeline[id]), "capsf3");
@@ -208,8 +253,9 @@ index 0000000..1b021ee
+ "rate", G_TYPE_INT, w->ba_pcm.sampling,
+ NULL);
+ g_autoptr (GstStructure) stream_props = gst_structure_new("props",
-+ "media.role", G_TYPE_STRING, "Communication",
-+ "wireplumber.keep-linked", G_TYPE_STRING, "1",
++ "media.role", G_TYPE_STRING, role,
++ "bluealsa.profile", G_TYPE_STRING,
++ (profile == BA_PCM_FLAG_PROFILE_SCO) ? "sco" : "a2dp",
+ NULL);
+
+ g_object_set(capsf, "caps", caps, NULL);
@@ -224,6 +270,13 @@ index 0000000..1b021ee
+ g_object_set(fdelem, "fd", w->ba_pcm_fd, NULL);
+ g_object_set(pwelem, "stream-properties", stream_props, NULL);
+
++ if (mode == BA_PCM_FLAG_SINK) {
++ g_autoptr (GstBus) bus = gst_pipeline_get_bus(GST_PIPELINE(w->pipeline[id]));
++ gst_bus_set_sync_handler(bus, bus_sync_handler, w, NULL);
++ w->queue = queue;
++ w->pwelem = pwelem;
++ }
++
+ gst_element_set_state(w->pipeline[id], GST_STATE_PLAYING);
+ }
+
@@ -460,5 +513,5 @@ index 0000000..1b021ee
+ return ret;
+}
--
-2.23.0
+2.24.0