/* GStreamer * Copyright (C) 1999,2000 Erik Walthinsen * 2005 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" #include static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); 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 , " "Wim Taymans , " "Mr. 'frag-me-more' Vanderwingo "); /* FakeSink signals and args */ enum { /* FILL ME */ SIGNAL_HANDOFF, LAST_SIGNAL }; #define DEFAULT_STATE_ERROR FAKESINK_STATE_ERROR_NONE #define DEFAULT_SILENT FALSE #define DEFAULT_DUMP FALSE #define DEFAULT_SYNC FALSE #define DEFAULT_SIGNAL_HANDOFFS FALSE #define DEFAULT_LAST_MESSAGE NULL enum { ARG_0, ARG_STATE_ERROR, ARG_SILENT, ARG_DUMP, ARG_SYNC, ARG_SIGNAL_HANDOFFS, ARG_LAST_MESSAGE, }; #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; } #define _do_init(bla) \ GST_DEBUG_CATEGORY_INIT (gst_fakesink_debug, "fakesink", 0, "fakesink element"); GST_BOILERPLATE_FULL (GstFakeSink, gst_fakesink, GstBaseSink, GST_TYPE_BASESINK, _do_init); 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 GstFlowReturn gst_fakesink_preroll (GstBaseSink * bsink, GstBuffer * buffer); static GstFlowReturn gst_fakesink_render (GstBaseSink * bsink, GstBuffer * buffer); static void gst_fakesink_event (GstBaseSink * bsink, GstEvent * event); static void gst_fakesink_get_times (GstBaseSink * bsink, GstBuffer * buffer, GstClockTime * start, GstClockTime * end); static guint gst_fakesink_signals[LAST_SIGNAL] = { 0 }; static void gst_fakesink_base_init (gpointer g_class) { GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class); gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&sinktemplate)); gst_element_class_set_details (gstelement_class, &gst_fakesink_details); } static void gst_fakesink_class_init (GstFakeSinkClass * klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; GstBaseSinkClass *gstbasesink_class; gobject_class = (GObjectClass *) klass; gstelement_class = (GstElementClass *) klass; gstbasesink_class = (GstBaseSinkClass *) klass; gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_fakesink_set_property); gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_fakesink_get_property); 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, DEFAULT_STATE_ERROR, 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", DEFAULT_LAST_MESSAGE, G_PARAM_READABLE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SYNC, g_param_spec_boolean ("sync", "Sync", "Sync on the clock", DEFAULT_SYNC, 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", DEFAULT_SIGNAL_HANDOFFS, 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", DEFAULT_SILENT, 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", DEFAULT_DUMP, 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__BOXED_OBJECT, G_TYPE_NONE, 2, GST_TYPE_BUFFER | G_SIGNAL_TYPE_STATIC_SCOPE, GST_TYPE_PAD); gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_fakesink_change_state); gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_fakesink_event); gstbasesink_class->preroll = GST_DEBUG_FUNCPTR (gst_fakesink_preroll); gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_fakesink_render); gstbasesink_class->get_times = GST_DEBUG_FUNCPTR (gst_fakesink_get_times); } static void gst_fakesink_init (GstFakeSink * fakesink) { fakesink->silent = DEFAULT_SILENT; fakesink->dump = DEFAULT_DUMP; fakesink->sync = DEFAULT_SYNC; fakesink->last_message = DEFAULT_LAST_MESSAGE; fakesink->state_error = DEFAULT_STATE_ERROR; fakesink->signal_handoffs = DEFAULT_SIGNAL_HANDOFFS; } static void gst_fakesink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstFakeSink *sink; 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: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_fakesink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstFakeSink *sink; sink = GST_FAKESINK (object); switch (prop_id) { 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_get_times (GstBaseSink * bsink, GstBuffer * buffer, GstClockTime * start, GstClockTime * end) { GstFakeSink *sink = GST_FAKESINK (bsink); if (sink->sync) { GST_BASESINK_CLASS (parent_class)->get_times (bsink, buffer, start, end); } } static void gst_fakesink_event (GstBaseSink * bsink, GstEvent * event) { GstFakeSink *sink = GST_FAKESINK (bsink); if (!sink->silent) { g_free (sink->last_message); sink->last_message = g_strdup_printf ("event ******* E (type: %d) %p", GST_EVENT_TYPE (event), event); g_object_notify (G_OBJECT (sink), "last_message"); } } static GstFlowReturn gst_fakesink_preroll (GstBaseSink * bsink, GstBuffer * buffer) { GstFakeSink *sink = GST_FAKESINK (bsink); if (!sink->silent) { g_free (sink->last_message); sink->last_message = g_strdup_printf ("preroll ******* "); g_object_notify (G_OBJECT (sink), "last_message"); } return GST_FLOW_OK; } static GstFlowReturn gst_fakesink_render (GstBaseSink * bsink, GstBuffer * buf) { GstFakeSink *sink = GST_FAKESINK (bsink); if (!sink->silent) { g_free (sink->last_message); sink->last_message = g_strdup_printf ("chain ******* < (%d bytes, timestamp: %" GST_TIME_FORMAT ", duration: %" GST_TIME_FORMAT ", offset: %" G_GINT64_FORMAT ", offset_end: %" G_GINT64_FORMAT ", flags: %d) %p", GST_BUFFER_SIZE (buf), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)), GST_TIME_ARGS (GST_BUFFER_DURATION (buf)), GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf), GST_BUFFER_FLAGS (buf), buf); g_object_notify (G_OBJECT (sink), "last_message"); } if (sink->signal_handoffs) g_signal_emit (G_OBJECT (sink), gst_fakesink_signals[SIGNAL_HANDOFF], 0, buf); if (sink->dump) { gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf)); } return GST_FLOW_OK; } static GstElementStateReturn gst_fakesink_change_state (GstElement * element) { GstElementStateReturn ret = GST_STATE_SUCCESS; GstFakeSink *fakesink = GST_FAKESINK (element); GstElementState transition = GST_STATE_TRANSITION (element); switch (transition) { 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; default: break; } ret = GST_ELEMENT_CLASS (parent_class)->change_state (element); return ret; error: GST_ELEMENT_ERROR (element, CORE, STATE_CHANGE, (NULL), (NULL)); return GST_STATE_FAILURE; }