/* GStreamer * Copyright (C) 1999,2000 Erik Walthinsen * 2000 Wim Taymans * * gstfakesink.c: * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "gstfakesink.h" GST_DEBUG_CATEGORY_STATIC (gst_fakesink_debug); #define GST_CAT_DEFAULT gst_fakesink_debug GstElementDetails gst_fakesink_details = GST_ELEMENT_DETAILS ( "Fake Sink", "Sink", "Black hole for data", "Erik Walthinsen " ); /* FakeSink signals and args */ enum { /* FILL ME */ SIGNAL_HANDOFF, LAST_SIGNAL }; enum { ARG_0, ARG_STATE_ERROR, ARG_NUM_SINKS, ARG_SILENT, ARG_DUMP, ARG_SYNC, ARG_SIGNAL_HANDOFFS, ARG_LAST_MESSAGE, }; GstStaticPadTemplate fakesink_sink_template = GST_STATIC_PAD_TEMPLATE ( "sink%d", GST_PAD_SINK, GST_PAD_REQUEST, GST_STATIC_CAPS_ANY ); #define GST_TYPE_FAKESINK_STATE_ERROR (gst_fakesink_state_error_get_type()) static GType gst_fakesink_state_error_get_type (void) { static GType fakesink_state_error_type = 0; static GEnumValue fakesink_state_error[] = { { FAKESINK_STATE_ERROR_NONE, "0", "No state change errors"}, { FAKESINK_STATE_ERROR_NULL_READY, "1", "Fail state change from NULL to READY"}, { FAKESINK_STATE_ERROR_READY_PAUSED, "2", "Fail state change from READY to PAUSED"}, { FAKESINK_STATE_ERROR_PAUSED_PLAYING, "3", "Fail state change from PAUSED to PLAYING"}, { FAKESINK_STATE_ERROR_PLAYING_PAUSED, "4", "Fail state change from PLAYING to PAUSED"}, { FAKESINK_STATE_ERROR_PAUSED_READY , "5", "Fail state change from PAUSED to READY"}, { FAKESINK_STATE_ERROR_READY_NULL , "6", "Fail state change from READY to NULL"}, {0, NULL, NULL}, }; if (!fakesink_state_error_type) { fakesink_state_error_type = g_enum_register_static ("GstFakeSinkStateError", fakesink_state_error); } return fakesink_state_error_type; } static void gst_fakesink_base_init (gpointer g_class); static void gst_fakesink_class_init (GstFakeSinkClass *klass); static void gst_fakesink_init (GstFakeSink *fakesink); static void gst_fakesink_set_clock (GstElement *element, GstClock *clock); static GstPad* gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *unused); static void gst_fakesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gst_fakesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static GstElementStateReturn gst_fakesink_change_state (GstElement *element); static void gst_fakesink_chain (GstPad *pad, GstData *_data); static GstElementClass *parent_class = NULL; static guint gst_fakesink_signals[LAST_SIGNAL] = { 0 }; GType gst_fakesink_get_type (void) { static GType fakesink_type = 0; if (!fakesink_type) { static const GTypeInfo fakesink_info = { sizeof(GstFakeSinkClass), gst_fakesink_base_init, NULL, (GClassInitFunc)gst_fakesink_class_init, NULL, NULL, sizeof(GstFakeSink), 0, (GInstanceInitFunc)gst_fakesink_init, }; fakesink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFakeSink", &fakesink_info, 0); GST_DEBUG_CATEGORY_INIT (gst_fakesink_debug, "fakesink", 0, "fakesink element"); } return fakesink_type; } static void gst_fakesink_base_init (gpointer g_class) { GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class); gst_element_class_set_details (gstelement_class, &gst_fakesink_details); gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&fakesink_sink_template)); } static void gst_fakesink_class_init (GstFakeSinkClass *klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; gobject_class = (GObjectClass*)klass; gstelement_class = (GstElementClass*)klass; parent_class = g_type_class_ref (GST_TYPE_ELEMENT); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NUM_SINKS, g_param_spec_int ("num_sinks", "Number of sinks", "The number of sinkpads", 1, G_MAXINT, 1, G_PARAM_READABLE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STATE_ERROR, g_param_spec_enum ("state_error", "State Error", "Generate a state change error", GST_TYPE_FAKESINK_STATE_ERROR, FAKESINK_STATE_ERROR_NONE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LAST_MESSAGE, g_param_spec_string ("last_message", "Last Message", "The message describing current status", NULL, G_PARAM_READABLE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SYNC, g_param_spec_boolean ("sync", "Sync", "Sync on the clock", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIGNAL_HANDOFFS, g_param_spec_boolean ("signal-handoffs", "Signal handoffs", "Send a signal before unreffing the buffer", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SILENT, g_param_spec_boolean ("silent", "Silent", "Don't produce last_message events", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DUMP, g_param_spec_boolean ("dump", "Dump", "Dump received bytes to stdout", FALSE, G_PARAM_READWRITE)); gst_fakesink_signals[SIGNAL_HANDOFF] = g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstFakeSinkClass, handoff), NULL, NULL, gst_marshal_VOID__POINTER_OBJECT, G_TYPE_NONE, 2, GST_TYPE_BUFFER, GST_TYPE_PAD); gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_fakesink_set_property); gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_fakesink_get_property); gstelement_class->request_new_pad = GST_DEBUG_FUNCPTR (gst_fakesink_request_new_pad); gstelement_class->set_clock = GST_DEBUG_FUNCPTR (gst_fakesink_set_clock); gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_fakesink_change_state); } static void gst_fakesink_init (GstFakeSink *fakesink) { GstPad *pad; pad = gst_pad_new ("sink", GST_PAD_SINK); gst_element_add_pad (GST_ELEMENT (fakesink), pad); gst_pad_set_chain_function (pad, GST_DEBUG_FUNCPTR (gst_fakesink_chain)); fakesink->silent = FALSE; fakesink->dump = FALSE; fakesink->sync = FALSE; fakesink->last_message = NULL; fakesink->state_error = FAKESINK_STATE_ERROR_NONE; fakesink->signal_handoffs = FALSE; GST_FLAG_SET (fakesink, GST_ELEMENT_EVENT_AWARE); } static void gst_fakesink_set_clock (GstElement *element, GstClock *clock) { GstFakeSink *sink; sink = GST_FAKESINK (element); sink->clock = clock; } static GstPad* gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *unused) { gchar *name; GstPad *sinkpad; GstFakeSink *fakesink; g_return_val_if_fail (GST_IS_FAKESINK (element), NULL); if (templ->direction != GST_PAD_SINK) { g_warning ("gstfakesink: request new pad that is not a SINK pad\n"); return NULL; } fakesink = GST_FAKESINK (element); name = g_strdup_printf ("sink%d", GST_ELEMENT (fakesink)->numsinkpads); sinkpad = gst_pad_new_from_template (templ, name); g_free (name); gst_pad_set_chain_function (sinkpad, GST_DEBUG_FUNCPTR (gst_fakesink_chain)); gst_element_add_pad (GST_ELEMENT (fakesink), sinkpad); return sinkpad; } static void gst_fakesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GstFakeSink *sink; /* it's not null if we got it, but it might not be ours */ sink = GST_FAKESINK (object); switch (prop_id) { case ARG_SILENT: sink->silent = g_value_get_boolean (value); break; case ARG_STATE_ERROR: sink->state_error = g_value_get_enum (value); break; case ARG_DUMP: sink->dump = g_value_get_boolean (value); break; case ARG_SYNC: sink->sync = g_value_get_boolean (value); break; case ARG_SIGNAL_HANDOFFS: sink->signal_handoffs = g_value_get_boolean (value); break; default: break; } } static void gst_fakesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GstFakeSink *sink; /* it's not null if we got it, but it might not be ours */ g_return_if_fail (GST_IS_FAKESINK (object)); sink = GST_FAKESINK (object); switch (prop_id) { case ARG_NUM_SINKS: g_value_set_int (value, GST_ELEMENT (sink)->numsinkpads); break; case ARG_STATE_ERROR: g_value_set_enum (value, sink->state_error); break; case ARG_SILENT: g_value_set_boolean (value, sink->silent); break; case ARG_DUMP: g_value_set_boolean (value, sink->dump); break; case ARG_SYNC: g_value_set_boolean (value, sink->sync); break; case ARG_SIGNAL_HANDOFFS: g_value_set_boolean (value, sink->signal_handoffs); break; case ARG_LAST_MESSAGE: g_value_set_string (value, sink->last_message); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_fakesink_chain (GstPad *pad, GstData *_data) { GstBuffer *buf = GST_BUFFER (_data); GstFakeSink *fakesink; g_return_if_fail (pad != NULL); g_return_if_fail (GST_IS_PAD (pad)); g_return_if_fail (buf != NULL); fakesink = GST_FAKESINK (GST_OBJECT_PARENT (pad)); if (GST_IS_EVENT (buf)) { GstEvent *event = GST_EVENT (buf); if (!fakesink->silent) { g_free (fakesink->last_message); fakesink->last_message = g_strdup_printf ("chain ******* (%s:%s)E (type: %d) %p", GST_DEBUG_PAD_NAME (pad), GST_EVENT_TYPE (event), event); g_object_notify (G_OBJECT (fakesink), "last_message"); } switch (GST_EVENT_TYPE (event)) { case GST_EVENT_DISCONTINUOUS: if (fakesink->sync && fakesink->clock) { gint64 value = GST_EVENT_DISCONT_OFFSET (event, 0).value; gst_clock_handle_discont (fakesink->clock, value); } default: gst_pad_event_default (pad, event); break; } return; } if (fakesink->sync && fakesink->clock) { GstClockID id = gst_clock_new_single_shot_id (fakesink->clock, GST_BUFFER_TIMESTAMP (buf)); gst_element_clock_wait (GST_ELEMENT (fakesink), id, NULL); gst_clock_id_free (id); } if (!fakesink->silent) { g_free (fakesink->last_message); fakesink->last_message = g_strdup_printf ("chain ******* (%s:%s)< (%d bytes, timestamp: %" G_GINT64_FORMAT ", duration: %" G_GINT64_FORMAT ", offset: %" G_GINT64_FORMAT ", flags: %d) %p", GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf), GST_BUFFER_DURATION (buf), GST_BUFFER_OFFSET (buf), GST_BUFFER_FLAGS (buf), buf); g_object_notify (G_OBJECT (fakesink), "last_message"); } if (fakesink->signal_handoffs) g_signal_emit (G_OBJECT (fakesink), gst_fakesink_signals[SIGNAL_HANDOFF], 0, buf, pad); if (fakesink->dump) { gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf)); } gst_buffer_unref (buf); } static GstElementStateReturn gst_fakesink_change_state (GstElement *element) { GstFakeSink *fakesink = GST_FAKESINK (element); switch (GST_STATE_TRANSITION (element)) { case GST_STATE_NULL_TO_READY: if (fakesink->state_error == FAKESINK_STATE_ERROR_NULL_READY) goto error; break; case GST_STATE_READY_TO_PAUSED: if (fakesink->state_error == FAKESINK_STATE_ERROR_READY_PAUSED) goto error; break; case GST_STATE_PAUSED_TO_PLAYING: if (fakesink->state_error == FAKESINK_STATE_ERROR_PAUSED_PLAYING) goto error; break; case GST_STATE_PLAYING_TO_PAUSED: if (fakesink->state_error == FAKESINK_STATE_ERROR_PLAYING_PAUSED) goto error; break; case GST_STATE_PAUSED_TO_READY: if (fakesink->state_error == FAKESINK_STATE_ERROR_PAUSED_READY) goto error; break; case GST_STATE_READY_TO_NULL: if (fakesink->state_error == FAKESINK_STATE_ERROR_READY_NULL) goto error; g_free (fakesink->last_message); fakesink->last_message = NULL; break; } if (GST_ELEMENT_CLASS (parent_class)->change_state) return GST_ELEMENT_CLASS (parent_class)->change_state (element); return GST_STATE_SUCCESS; error: gst_element_error (element, "failed state change as requested"); return GST_STATE_FAILURE; }