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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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dvbbasebin: Switch to use tsparse
This commit is contained in:
Edward Hervey
parent
4d4d2f6eb0
commit
dfdbb87813
2 changed files with 86 additions and 125 deletions
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@ -34,14 +34,14 @@ GST_DEBUG_CATEGORY_STATIC (dvb_base_bin_debug);
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#define GST_CAT_DEFAULT dvb_base_bin_debug
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static GstStaticPadTemplate src_template =
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GST_STATIC_PAD_TEMPLATE ("src_%u", GST_PAD_SRC,
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GST_PAD_REQUEST,
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
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);
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static GstStaticPadTemplate program_template =
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GST_STATIC_PAD_TEMPLATE ("program_%u", GST_PAD_SRC,
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GST_PAD_SOMETIMES,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
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);
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@ -107,15 +107,14 @@ static void dvb_base_bin_handle_message (GstBin * bin, GstMessage * message);
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static void dvb_base_bin_pat_info_cb (DvbBaseBin * dvbbasebin,
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const GstStructure * pat);
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static void dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin,
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const GstStructure * pmt);
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static void dvb_base_bin_pad_added_cb (GstElement * mpegtsparse,
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GstPad * pad, DvbBaseBin * dvbbasebin);
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static void dvb_base_bin_pad_removed_cb (GstElement * mpegtsparse,
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GstPad * pad, DvbBaseBin * dvbbasebin);
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GstStructure * pmt);
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static GstPad *dvb_base_bin_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
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static void dvb_base_bin_release_pad (GstElement * element, GstPad * pad);
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static void dvb_base_bin_rebuild_filter (DvbBaseBin * dvbbasebin);
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static void
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dvb_base_bin_deactivate_program (DvbBaseBin * dvbbasebin,
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DvbBaseBinProgram * program);
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static void dvb_base_bin_uri_handler_init (gpointer g_iface,
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gpointer iface_data);
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@ -175,10 +174,25 @@ dvb_base_bin_get_program (DvbBaseBin * dvbbasebin, gint program_number)
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static guint signals [LAST_SIGNAL] = { 0 };
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*/
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#define dvb_base_bin_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (DvbBaseBin, dvb_base_bin, GST_TYPE_BIN,
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G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
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dvb_base_bin_uri_handler_init));
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GST_BOILERPLATE_FULL (DvbBaseBin, dvb_base_bin, GstBin, GST_TYPE_BIN,
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dvb_base_bin_setup_interfaces);
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static void
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dvb_base_bin_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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element_class->request_new_pad = dvb_base_bin_request_new_pad;
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element_class->release_pad = dvb_base_bin_release_pad;
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gst_element_class_add_static_pad_template (element_class, &program_template);
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gst_element_class_add_static_pad_template (element_class, &src_template);
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gst_element_class_set_details_simple (element_class, "DVB bin",
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"Source/Bin/Video",
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"Access descramble and split DVB streams",
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"Alessandro Decina <alessandro@nnva.org>");
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}
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static void
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dvb_base_bin_class_init (DvbBaseBinClass * klass)
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@ -306,12 +320,6 @@ dvb_base_bin_reset (DvbBaseBin * dvbbasebin)
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cam_device_free (dvbbasebin->hwcam);
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dvbbasebin->hwcam = NULL;
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}
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if (dvbbasebin->ts_pad) {
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gst_element_release_request_pad (GST_ELEMENT (dvbbasebin->mpegtsparse),
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dvbbasebin->ts_pad);
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dvbbasebin->ts_pad = NULL;
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}
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}
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static gint16 initial_pids[] = { 0, 1, 0x10, 0x11, 0x12, 0x14, -1 };
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@ -320,21 +328,28 @@ static void
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dvb_base_bin_init (DvbBaseBin * dvbbasebin)
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{
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DvbBaseBinStream *stream;
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GstPad *ghost, *pad;
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int i;
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dvbbasebin->dvbsrc = gst_element_factory_make ("dvbsrc", NULL);
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dvbbasebin->buffer_queue = gst_element_factory_make ("queue", NULL);
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dvbbasebin->mpegtsparse = gst_element_factory_make ("mpegtsparse", NULL);
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dvbbasebin->tsparse = gst_element_factory_make ("tsparse", NULL);
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g_object_connect (dvbbasebin->mpegtsparse,
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"signal::pad-added", dvb_base_bin_pad_added_cb, dvbbasebin,
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"signal::pad-removed", dvb_base_bin_pad_removed_cb, dvbbasebin, NULL);
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g_object_set (dvbbasebin->buffer_queue, "max-size-buffers", 0,
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"max-size-bytes", 0, "max-size-time", 0, NULL);
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gst_bin_add_many (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc,
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dvbbasebin->buffer_queue, dvbbasebin->mpegtsparse, NULL);
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dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
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gst_element_link_many (dvbbasebin->dvbsrc,
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dvbbasebin->buffer_queue, dvbbasebin->mpegtsparse, NULL);
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dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
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/* Expose tsparse source pad */
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pad = gst_element_get_static_pad (dvbbasebin->tsparse, "src");
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gst_pad_add_buffer_probe (pad, G_CALLBACK (dvb_base_bin_ts_pad_probe_cb),
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dvbbasebin);
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ghost = gst_ghost_pad_new ("src", pad);
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gst_element_add_pad (GST_ELEMENT (dvbbasebin), ghost);
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dvbbasebin->programs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
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NULL, dvb_base_bin_program_destroy);
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@ -366,7 +381,7 @@ dvb_base_bin_dispose (GObject * object)
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/* remove mpegtsparse BEFORE dvbsrc, since the mpegtsparse::pad-removed
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* signal handler uses dvbsrc */
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dvb_base_bin_reset (dvbbasebin);
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gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->mpegtsparse);
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gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->tsparse);
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gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc);
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gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->buffer_queue);
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dvbbasebin->disposed = TRUE;
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@ -389,6 +404,37 @@ dvb_base_bin_finalize (GObject * object)
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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dvb_base_bin_set_program_numbers (DvbBaseBin * dvbbasebin, const gchar * pn)
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{
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gchar **strv, **walk;
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DvbBaseBinProgram *program;
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/* Split up and update programs */
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strv = g_strsplit (pn, ":", 0);
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for (walk = strv; *walk; walk++) {
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gint program_number = strtol (*walk, NULL, 0);
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program = dvb_base_bin_get_program (dvbbasebin, program_number);
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if (program == NULL) {
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program = dvb_base_bin_add_program (dvbbasebin, program_number);
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program->selected = TRUE;
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}
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}
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g_strfreev (strv);
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/* FIXME : Deactivate programs no longer selected */
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if (dvbbasebin->program_numbers)
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g_free (dvbbasebin->program_numbers);
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dvbbasebin->program_numbers = g_strdup (pn);
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if (0)
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dvb_base_bin_deactivate_program (dvbbasebin, NULL);
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}
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static void
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dvb_base_bin_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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@ -415,8 +461,7 @@ dvb_base_bin_set_property (GObject * object, guint prop_id,
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g_object_set_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
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break;
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case PROP_PROGRAM_NUMBERS:
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g_object_set_property (G_OBJECT (dvbbasebin->mpegtsparse), pspec->name,
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value);
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dvb_base_bin_set_program_numbers (dvbbasebin, g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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@ -448,8 +493,7 @@ dvb_base_bin_get_property (GObject * object, guint prop_id,
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g_object_get_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
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break;
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case PROP_PROGRAM_NUMBERS:
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g_object_get_property (G_OBJECT (dvbbasebin->mpegtsparse), pspec->name,
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value);
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g_value_set_string (value, dvbbasebin->program_numbers);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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@ -464,12 +508,12 @@ dvb_base_bin_request_new_pad (GstElement * element,
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GstPad *ghost;
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gchar *pad_name;
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GST_DEBUG ("New pad requested %s", name);
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if (name == NULL)
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name = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
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pad =
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gst_element_get_request_pad (GST_DVB_BASE_BIN (element)->mpegtsparse,
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name);
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pad = gst_element_get_request_pad (GST_DVB_BASE_BIN (element)->tsparse, name);
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if (pad == NULL)
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return NULL;
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@ -477,7 +521,6 @@ dvb_base_bin_request_new_pad (GstElement * element,
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ghost = gst_ghost_pad_new (pad_name, pad);
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g_free (pad_name);
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gst_element_add_pad (element, ghost);
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gst_element_no_more_pads (element);
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return ghost;
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}
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@ -493,7 +536,7 @@ dvb_base_bin_release_pad (GstElement * element, GstPad * pad)
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ghost = GST_GHOST_PAD (pad);
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target = gst_ghost_pad_get_target (ghost);
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gst_element_release_request_pad (GST_ELEMENT (GST_DVB_BASE_BIN
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(element)->mpegtsparse), target);
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(element)->tsparse), target);
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gst_object_unref (target);
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gst_element_remove_pad (element, pad);
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@ -562,14 +605,8 @@ dvb_base_bin_init_cam (DvbBaseBin * dvbbasebin)
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ca_file = g_strdup_printf ("/dev/dvb/adapter%d/ca0", adapter);
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if (g_file_test (ca_file, G_FILE_TEST_EXISTS)) {
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dvbbasebin->hwcam = cam_device_new ();
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if (cam_device_open (dvbbasebin->hwcam, ca_file)) {
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/* HACK: poll the cam in a buffer probe */
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dvbbasebin->ts_pad =
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gst_element_get_request_pad (dvbbasebin->mpegtsparse, "src_%u");
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gst_pad_add_probe (dvbbasebin->ts_pad,
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GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM, dvb_base_bin_ts_pad_probe_cb,
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dvbbasebin, NULL);
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} else {
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/* device_open() can block up to 5s ! */
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if (!cam_device_open (dvbbasebin->hwcam, ca_file)) {
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GST_ERROR_OBJECT (dvbbasebin, "could not open %s", ca_file);
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cam_device_free (dvbbasebin->hwcam);
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dvbbasebin->hwcam = NULL;
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@ -784,7 +821,7 @@ dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
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dvbbasebin = GST_DVB_BASE_BIN (bin);
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if (message->type == GST_MESSAGE_ELEMENT &&
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GST_ELEMENT (message->src) == GST_ELEMENT (dvbbasebin->mpegtsparse)) {
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GST_ELEMENT (message->src) == GST_ELEMENT (dvbbasebin->tsparse)) {
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const GstStructure *s = gst_message_get_structure (message);
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const gchar *structure_name = gst_structure_get_name (s);
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@ -792,20 +829,10 @@ dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
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dvb_base_bin_pat_info_cb (dvbbasebin, s);
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else if (strcmp (structure_name, "pmt") == 0)
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dvb_base_bin_pmt_info_cb (dvbbasebin, s);
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/*else if (strcmp (structure_name, "nit") == 0)
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dvb_base_bin_nit_info_cb (dvbbasebin, message->structure);
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else if (strcmp (structure_name, "sdt") == 0)
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dvb_base_bin_sdt_info_cb (dvbbasebin, message->structure);
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else if (strcmp (structure_name, "eit") == 0)
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dvb_base_bin_eit_info_cb (dvbbasebin, message->structure); */
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/* forward the message on */
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gst_element_post_message (GST_ELEMENT_CAST (bin), message);
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} else {
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/* chain up */
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GST_BIN_CLASS (parent_class)->handle_message (bin, message);
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}
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/* chain up */
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GST_BIN_CLASS (parent_class)->handle_message (bin, message);
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}
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@ -888,73 +915,6 @@ dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin, const GstStructure * pmt)
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}
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}
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static gint
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get_pad_program_number (GstPad * pad)
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{
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gchar *progstr;
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gchar *name;
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name = gst_pad_get_name (pad);
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if (strncmp (name, "program_", 8) != 0) {
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g_free (name);
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return -1;
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}
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progstr = strstr (name, "_");
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g_free (name);
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if (progstr == NULL)
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return -1;
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return strtol (++progstr, NULL, 10);
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}
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static void
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dvb_base_bin_pad_added_cb (GstElement * mpegtsparse,
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GstPad * pad, DvbBaseBin * dvbbasebin)
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{
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DvbBaseBinProgram *program;
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gint program_number;
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gchar *padname;
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program_number = get_pad_program_number (pad);
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if (program_number == -1)
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return;
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program = dvb_base_bin_get_program (dvbbasebin, program_number);
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if (program == NULL)
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program = dvb_base_bin_add_program (dvbbasebin, program_number);
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program->selected = TRUE;
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padname = gst_pad_get_name (pad);
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program->ghost = gst_ghost_pad_new (padname, pad);
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gst_pad_set_active (program->ghost, TRUE);
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gst_element_add_pad (GST_ELEMENT (dvbbasebin), program->ghost);
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gst_element_no_more_pads (GST_ELEMENT (dvbbasebin));
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/* if the program has a pmt, activate it now, otherwise it will get activated
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* when there's a PMT */
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if (!program->active && program->pmt_pid != G_MAXUINT16)
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dvb_base_bin_activate_program (dvbbasebin, program);
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g_free (padname);
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}
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static void
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dvb_base_bin_pad_removed_cb (GstElement * mpegtsparse,
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GstPad * pad, DvbBaseBin * dvbbasebin)
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{
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DvbBaseBinProgram *program;
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gint program_number;
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program_number = get_pad_program_number (pad);
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if (program_number == -1)
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return;
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program = dvb_base_bin_get_program (dvbbasebin, program_number);
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program->selected = FALSE;
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dvb_base_bin_deactivate_program (dvbbasebin, program);
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gst_element_remove_pad (GST_ELEMENT (dvbbasebin), program->ghost);
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program->ghost = NULL;
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}
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static guint
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dvb_base_bin_uri_get_type (GType type)
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{
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@ -47,11 +47,9 @@ typedef struct _DvbBaseBinClass DvbBaseBinClass;
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struct _DvbBaseBin {
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GstBin bin;
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GstPad *ts_pad;
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GstElement *dvbsrc;
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GstElement *buffer_queue;
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GstElement *mpegtsparse;
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GstElement *tsparse;
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CamDevice *hwcam;
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GList *pmtlist;
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gboolean pmtlist_changed;
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@ -59,6 +57,9 @@ struct _DvbBaseBin {
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GHashTable *streams;
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GHashTable *programs;
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gboolean disposed;
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/* Cached value */
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gchar *program_numbers;
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};
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struct _DvbBaseBinClass {
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