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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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bluez: Add mp3 support for gstreamer plugin.
This commit is contained in:
Luiz Augusto von Dentz
Tim-Philipp Müller
parent
b0e7feba1e
commit
1ca7a347cf
2 changed files with 177 additions and 37 deletions
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@ -60,7 +60,12 @@ static GstStaticPadTemplate gst_a2dp_sink_factory =
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"blocks = (int) { 4, 8, 12, 16 }, "
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"subbands = (int) { 4, 8 }, "
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"allocation = (string) { snr, loudness }, "
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"bitpool = (int) [ 2, " TEMPLATE_MAX_BITPOOL_STR " ]; "));
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"bitpool = (int) [ 2, " TEMPLATE_MAX_BITPOOL_STR " ]; " "audio/mpeg;"));
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static gboolean gst_a2dp_sink_handle_event (GstPad * pad, GstEvent * event);
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static gboolean gst_a2dp_sink_set_caps (GstPad * pad, GstCaps * caps);
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static GstCaps *gst_a2dp_sink_get_caps (GstPad * pad);
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static gboolean gst_a2dp_sink_init_caps_filter (GstA2dpSink * self);
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static void
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gst_a2dp_sink_base_init (gpointer g_class)
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@ -117,28 +122,98 @@ gst_a2dp_sink_get_property (GObject * object, guint prop_id,
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}
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}
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static gboolean
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gst_a2dp_sink_init_ghost_pad (GstA2dpSink * self)
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{
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GstPad *capsfilter_pad;
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/* we search for the capsfilter sinkpad */
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capsfilter_pad = gst_element_get_static_pad (self->capsfilter, "sink");
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/* now we add a ghostpad */
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self->ghostpad = GST_GHOST_PAD (gst_ghost_pad_new ("sink", capsfilter_pad));
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g_object_unref (capsfilter_pad);
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/* the getcaps of our ghostpad must reflect the device caps */
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gst_pad_set_getcaps_function (GST_PAD (self->ghostpad),
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gst_a2dp_sink_get_caps);
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self->ghostpad_setcapsfunc = GST_PAD_SETCAPSFUNC (self->ghostpad);
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gst_pad_set_setcaps_function (GST_PAD (self->ghostpad),
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GST_DEBUG_FUNCPTR (gst_a2dp_sink_set_caps));
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/* we need to handle events on our own and we also need the eventfunc
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* of the ghostpad for forwarding calls */
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self->ghostpad_eventfunc = GST_PAD_EVENTFUNC (GST_PAD (self->ghostpad));
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gst_pad_set_event_function (GST_PAD (self->ghostpad),
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gst_a2dp_sink_handle_event);
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if (!gst_element_add_pad (GST_ELEMENT (self), GST_PAD (self->ghostpad)))
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GST_ERROR_OBJECT (self, "failed to add ghostpad");
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return TRUE;
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}
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static GstStateChangeReturn
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gst_a2dp_sink_change_state (GstElement * element, GstStateChange transition)
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{
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GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
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GstA2dpSink *self = GST_A2DP_SINK (element);
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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gst_element_set_state (GST_ELEMENT (self->sink), GST_STATE_READY);
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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self->taglist = gst_tag_list_new ();
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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case GST_STATE_CHANGE_NULL_TO_READY:
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self->sink =
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GST_A2DP_SENDER_SINK (gst_element_factory_make ("a2dpsendersink",
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"sendersink"));
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if (self->sink == NULL) {
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GST_WARNING_OBJECT (self, "failed to create a2dpsendersink");
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return GST_STATE_CHANGE_FAILURE;
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}
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if (self->device != NULL)
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gst_a2dp_sender_sink_set_device (self->sink, self->device);
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ret = gst_element_set_state (GST_ELEMENT (self->sink), GST_STATE_READY);
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break;
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default:
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break;
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}
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if (ret == GST_STATE_CHANGE_FAILURE)
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return ret;
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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if (self->taglist) {
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gst_tag_list_free (self->taglist);
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self->taglist = NULL;
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}
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if (self->newseg_event != NULL) {
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gst_event_unref (self->newseg_event);
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self->newseg_event = NULL;
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}
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if (self->taglist) {
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gst_tag_list_free (self->taglist);
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self->taglist = NULL;
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}
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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if (!gst_bin_remove (GST_BIN (self), GST_ELEMENT (self->sink)))
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GST_WARNING_OBJECT (self, "Failed to remove "
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"a2dpsendersink from bin");
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break;
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default:
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break;
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}
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return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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return ret;
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}
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static void
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@ -286,11 +361,63 @@ cleanup_and_fail:
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return FALSE;
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}
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static gboolean
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gst_a2dp_sink_init_rtp_mpeg_element (GstA2dpSink * self)
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{
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GstElement *rtppay;
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/* FIXME we will need a internal mpegparse for identifying
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* stream stuff */
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rtppay = gst_element_factory_make ("rtpmpapay", "rtp");
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if (rtppay == NULL) {
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GST_ERROR_OBJECT (self, "Couldn't create rtpmpapay");
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return FALSE;
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}
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if (!gst_bin_add (GST_BIN (self), rtppay)) {
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GST_ERROR_OBJECT (self, "failed to add rtpmpapay to the bin");
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goto cleanup_and_fail;
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}
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if (gst_element_set_state (rtppay, GST_STATE_READY) ==
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GST_STATE_CHANGE_FAILURE) {
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GST_ERROR_OBJECT (self, "rtpmpapay failed to go to ready");
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goto remove_element_and_fail;
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}
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if (!gst_element_link (self->capsfilter, rtppay)) {
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GST_ERROR_OBJECT (self, "couldn't link capsfilter " "to rtpmpapay");
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goto remove_element_and_fail;
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}
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self->rtp = GST_BASE_RTP_PAYLOAD (rtppay);
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gst_element_set_state (rtppay, GST_STATE_PAUSED);
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return TRUE;
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remove_element_and_fail:
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gst_element_set_state (rtppay, GST_STATE_NULL);
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gst_bin_remove (GST_BIN (self), rtppay);
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return FALSE;
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cleanup_and_fail:
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if (rtppay != NULL)
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g_object_unref (G_OBJECT (rtppay));
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return FALSE;
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}
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static gboolean
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gst_a2dp_sink_set_caps (GstPad * pad, GstCaps * caps)
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{
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GstA2dpSink *self;
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GstStructure *structure;
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GstEvent *event;
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GstPad *capsfilterpad;
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gboolean crc;
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gchar *mode = NULL;
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self = GST_A2DP_SINK (GST_PAD_PARENT (pad));
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GST_INFO_OBJECT (self, "setting caps");
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@ -298,9 +425,13 @@ gst_a2dp_sink_set_caps (GstPad * pad, GstCaps * caps)
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structure = gst_caps_get_structure (caps, 0);
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/* first, we need to create our rtp payloader */
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if (gst_structure_has_name (structure, "audio/x-sbc"))
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gst_a2dp_sink_init_rtp_sbc_element (self);
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else {
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if (gst_structure_has_name (structure, "audio/x-sbc")) {
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if (!gst_a2dp_sink_init_rtp_sbc_element (self))
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return FALSE;
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} else if (gst_structure_has_name (structure, "audio/mpeg")) {
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if (!gst_a2dp_sink_init_rtp_mpeg_element (self))
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return FALSE;
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} else {
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GST_ERROR_OBJECT (self, "Unexpected media type");
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return FALSE;
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}
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@ -308,6 +439,25 @@ gst_a2dp_sink_set_caps (GstPad * pad, GstCaps * caps)
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if (!gst_a2dp_sink_init_sender_sink (self))
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return FALSE;
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/* check if we should push the taglist FIXME should we push this?
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* we can send the tags directly if needed */
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if (self->taglist != NULL && gst_structure_has_name (structure, "audio/mpeg")) {
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event = gst_event_new_tag (self->taglist);
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/* send directly the crc */
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if (gst_tag_list_get_boolean (self->taglist, "has-crc", &crc))
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gst_a2dp_sender_sink_set_crc (self->sink, crc);
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if (gst_tag_list_get_string (self->taglist, "channel-mode", &mode))
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gst_a2dp_sender_sink_set_channel_mode (self->sink, mode);
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capsfilterpad = gst_ghost_pad_get_target (self->ghostpad);
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gst_pad_send_event (capsfilterpad, event);
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self->taglist = NULL;
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g_free (mode);
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}
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if (!gst_a2dp_sender_sink_set_device_caps (self->sink, caps))
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return FALSE;
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@ -328,6 +478,7 @@ static gboolean
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gst_a2dp_sink_handle_event (GstPad * pad, GstEvent * event)
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{
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GstA2dpSink *self;
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GstTagList *taglist = NULL;
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self = GST_A2DP_SINK (GST_PAD_PARENT (pad));
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@ -337,6 +488,16 @@ gst_a2dp_sink_handle_event (GstPad * pad, GstEvent * event)
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if (self->newseg_event != NULL)
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gst_event_unref (self->newseg_event);
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self->newseg_event = gst_event_ref (event);
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} else if (GST_EVENT_TYPE (event) == GST_EVENT_TAG &&
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gst_element_get_parent (GST_ELEMENT (self->sink)) !=
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GST_OBJECT_CAST (self)) {
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if (self->taglist == NULL) {
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gst_event_parse_tag (event, &self->taglist);
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} else {
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gst_event_parse_tag (event, &taglist);
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gst_tag_list_insert (self->taglist, taglist, GST_TAG_MERGE_REPLACE);
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}
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/* FIXME handle tag events */
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}
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return self->ghostpad_eventfunc (GST_PAD (self->ghostpad), event);
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@ -365,47 +526,22 @@ failed:
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static void
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gst_a2dp_sink_init (GstA2dpSink * self, GstA2dpSinkClass * klass)
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{
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GstPad *capsfilter_pad;
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self->sink = NULL;
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self->rtp = NULL;
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self->device = NULL;
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self->capsfilter = NULL;
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self->mpegparse = NULL;
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self->newseg_event = NULL;
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self->taglist = NULL;
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self->ghostpad = NULL;
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/* we initialize our capsfilter */
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gst_a2dp_sink_init_caps_filter (self);
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g_object_set (self->capsfilter, "caps",
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gst_static_pad_template_get_caps (&gst_a2dp_sink_factory), NULL);
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/* we search for the capsfilter sinkpad */
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capsfilter_pad = gst_element_get_static_pad (self->capsfilter, "sink");
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gst_a2dp_sink_init_ghost_pad (self);
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/* now we add a ghostpad */
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self->ghostpad = GST_GHOST_PAD (gst_ghost_pad_new ("sink", capsfilter_pad));
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g_object_unref (capsfilter_pad);
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/* the getcaps of our ghostpad must reflect the device caps */
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gst_pad_set_getcaps_function (GST_PAD (self->ghostpad),
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gst_a2dp_sink_get_caps);
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self->ghostpad_setcapsfunc = GST_PAD_SETCAPSFUNC (self->ghostpad);
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gst_pad_set_setcaps_function (GST_PAD (self->ghostpad),
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GST_DEBUG_FUNCPTR (gst_a2dp_sink_set_caps));
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/* we need to handle events on our own and we also need the eventfunc
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* of the ghostpad for forwarding calls */
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self->ghostpad_eventfunc = GST_PAD_EVENTFUNC (GST_PAD (self->ghostpad));
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gst_pad_set_event_function (GST_PAD (self->ghostpad),
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gst_a2dp_sink_handle_event);
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if (!gst_element_add_pad (GST_ELEMENT (self), GST_PAD (self->ghostpad)))
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GST_ERROR_OBJECT (self, "failed to add ghostpad");
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self->sink =
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GST_A2DP_SENDER_SINK (gst_element_factory_make ("a2dpsendersink",
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"sendersink"));
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if (self->sink == NULL)
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GST_WARNING_OBJECT (self, "failed to create a2dpsendersink");
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}
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gboolean
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@ -47,6 +47,7 @@ struct _GstA2dpSink {
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GstBaseRTPPayload *rtp;
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GstA2dpSenderSink *sink;
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GstElement *capsfilter;
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GstElement *mpegparse;
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gchar *device;
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@ -55,6 +56,9 @@ struct _GstA2dpSink {
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GstPadEventFunction ghostpad_eventfunc;
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GstEvent *newseg_event;
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/* Store the tags received before the a2dpsender sink is created
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* when it is created we forward this to it */
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GstTagList *taglist;
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};
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struct _GstA2dpSinkClass {
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