/* GStreamer * Copyright (C) <2003> Julien Moutte * * 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 #define DBG(x, a...) \ g_printerr ( __FILE__ ":%d,%s() " x "\n", __LINE__, __func__, ##a) /* Object header */ #include "cltrimagesink.h" /* Debugging category */ #include GST_DEBUG_CATEGORY_STATIC (gst_debug_cltrimagesink); #define GST_CAT_DEFAULT gst_debug_cltrimagesink /* ElementFactory information */ static GstElementDetails gst_cltrimagesink_details = GST_ELEMENT_DETAILS ("Video sink", "Sink/Video", "An Clutter based videosink", "Matthew Allum "); /* Default template - initiated with class struct to allow gst-register to work without X running */ static GstStaticPadTemplate gst_cltrimagesink_sink_template_factory = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("video/x-raw-rgb, " "framerate = (double) [ 1.0, 100.0 ], " "width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]; " "video/x-raw-yuv, " "framerate = (double) [ 1.0, 100.0 ], " "width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]") ); /* CltrimageSink signals and args */ enum { SIGNAL_HANDOFF, SIGNAL_BUFALLOC, LAST_SIGNAL /* FILL ME */ }; static guint gst_cltrimagesink_signals[LAST_SIGNAL] = { 0 }; enum { ARG_0, ARG_QUEUE, ARG_SYNCHRONOUS, ARG_SIGNAL_HANDOFFS /* FILL ME */ }; static GstVideoSinkClass *parent_class = NULL; #define GLERR() \ { \ GLenum err = glGetError (); /* Roundtrip */ \ if (err != GL_NO_ERROR) \ { \ g_printerr (__FILE__ ": GL Error: %x [at %s:%d]\n", \ err, __func__, __LINE__); \ } \ } /* ============================================================= */ /* */ /* Private Methods */ /* */ /* ============================================================= */ /* ================= Element stuff ================= */ #define SWAP_4(x) ( ((x) << 24) | \ (((x) << 16) & 0x00ff0000) | \ (((x) << 8) & 0x0000ff00) | \ 0x000000ff ) static GstCaps * gst_cltrimagesink_fixate (GstPad *pad, const GstCaps *caps) { GstStructure *structure; GstCaps *newcaps; if (gst_caps_get_size (caps) > 1) return NULL; newcaps = gst_caps_copy (caps); structure = gst_caps_get_structure (newcaps, 0); if (gst_caps_structure_fixate_field_nearest_int (structure, "width", 320)) { return newcaps; } if (gst_caps_structure_fixate_field_nearest_int (structure, "height", 240)) { return newcaps; } if (gst_caps_structure_fixate_field_nearest_double (structure, "framerate", 30.0)) { return newcaps; } gst_caps_free (newcaps); return NULL; } static GstCaps * gst_cltrimagesink_getcaps (GstPad * pad) { GstCltrimageSink *cltrimagesink; cltrimagesink = GST_CLTRIMAGESINK (gst_pad_get_parent (pad)); if (!cltrimagesink->caps) cltrimagesink->caps = gst_caps_new_simple ( "video/x-raw-rgb", "bpp", G_TYPE_INT, 24, "depth", G_TYPE_INT, 24, "endianness", G_TYPE_INT, G_BIG_ENDIAN, /* "red_mask", G_TYPE_INT, 0xff0000, "green_mask", G_TYPE_INT, 0x0000ff, "blue_mask", G_TYPE_INT, 0x00ff00, */ "width", GST_TYPE_INT_RANGE, 1, G_MAXINT, "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, "framerate", GST_TYPE_DOUBLE_RANGE, 1.0, 100.0, NULL); return gst_caps_copy (cltrimagesink->caps); } static GstPadLinkReturn gst_cltrimagesink_sink_link (GstPad * pad, const GstCaps * caps) { GstCltrimageSink *cltrimagesink; gboolean ret; GstStructure *structure; Pixbuf *pixb = NULL; cltrimagesink = GST_CLTRIMAGESINK (gst_pad_get_parent (pad)); /* if (!cltrimagesink->texture) return GST_PAD_LINK_DELAYED; */ structure = gst_caps_get_structure (caps, 0); ret = gst_structure_get_int (structure, "width", &(GST_VIDEOSINK_WIDTH (cltrimagesink))); ret &= gst_structure_get_int (structure, "height", &(GST_VIDEOSINK_HEIGHT (cltrimagesink))); ret &= gst_structure_get_double (structure, "framerate", &cltrimagesink->framerate); if (!ret) { DBG("!ret returning GST_PAD_LINK_REFUSED"); return GST_PAD_LINK_REFUSED; } cltrimagesink->pixel_width = 1; gst_structure_get_int (structure, "pixel_width", &cltrimagesink->pixel_width); cltrimagesink->pixel_height = 1; gst_structure_get_int (structure, "pixel_height", &cltrimagesink->pixel_height); DBG("returning GST_PAD_LINK_OK, with %ix%i or %ix%i", cltrimagesink->pixel_width, cltrimagesink->pixel_height, GST_VIDEOSINK_WIDTH (cltrimagesink), GST_VIDEOSINK_HEIGHT (cltrimagesink)); pixb = pixbuf_new(GST_VIDEOSINK_WIDTH (cltrimagesink), GST_VIDEOSINK_HEIGHT (cltrimagesink)); DBG("pixbuf new at %ix%i", GST_VIDEOSINK_WIDTH (cltrimagesink), GST_VIDEOSINK_HEIGHT (cltrimagesink)); /* Is this the right place ? */ cltrimagesink->texture = cltr_texture_no_tile_new(pixb); pixbuf_unref(pixb); return GST_PAD_LINK_OK; } static GstElementStateReturn gst_cltrimagesink_change_state (GstElement * element) { GstCltrimageSink *cltrimagesink; DBG("mark"); cltrimagesink = GST_CLTRIMAGESINK (element); switch (GST_STATE_TRANSITION (element)) { case GST_STATE_NULL_TO_READY: /* Initializing the Context */ /* if (!cltrimagesink->texture) { DBG("setting state to failure"); return GST_STATE_FAILURE; } */ break; case GST_STATE_READY_TO_PAUSED: cltrimagesink->time = 0; break; case GST_STATE_PAUSED_TO_PLAYING: break; case GST_STATE_PLAYING_TO_PAUSED: break; case GST_STATE_PAUSED_TO_READY: cltrimagesink->framerate = 0; GST_VIDEOSINK_WIDTH (cltrimagesink) = 0; GST_VIDEOSINK_HEIGHT (cltrimagesink) = 0; break; case GST_STATE_READY_TO_NULL: if (cltrimagesink->texture) cltr_texture_unref(cltrimagesink->texture); break; } if (GST_ELEMENT_CLASS (parent_class)->change_state) return GST_ELEMENT_CLASS (parent_class)->change_state (element); return GST_STATE_SUCCESS; } static void gst_cltrimagesink_chain (GstPad * pad, GstData * data) { GstBuffer *buf = GST_BUFFER (data); GstCltrimageSink *cltrimagesink; g_return_if_fail (GST_IS_PAD (pad)); g_return_if_fail (buf != NULL); cltrimagesink = GST_CLTRIMAGESINK (gst_pad_get_parent (pad)); if (GST_IS_EVENT (data)) { gst_pad_event_default (pad, GST_EVENT (data)); DBG("GST_IS_EVENT, returning"); return; } buf = GST_BUFFER (data); /* update time */ if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) cltrimagesink->time = GST_BUFFER_TIMESTAMP (buf); /* If this buffer has been allocated using our buffer management we * simply put the ximage which is in the PRIVATE pointer */ #if 0 if (GST_BUFFER_FREE_DATA_FUNC (buf) == gst_cltrimagesink_buffer_free) { /* gst_cltrimagesink_ximage_put (cltrimagesink, GST_BUFFER_PRIVATE (buf)); */ } else #endif { /* Else we have to copy the data into our private image, */ /* if we have one... */ if (cltrimagesink->texture) { /* need to copy the data into out pixbuf here */ Pixbuf *pixb = NULL; cltr_texture_lock(cltrimagesink->texture); pixb = cltr_texture_get_pixbuf(cltrimagesink->texture); if (pixb) { memcpy (pixb->data, GST_BUFFER_DATA (buf), MIN (GST_BUFFER_SIZE (buf), pixb->bytes_per_line * pixb->width)); /* Below faster but threading issues causing DRI to bomb out */ /* if (GST_BUFFER_SIZE (buf) >= pixb->width * pixb->height * 3) cltr_texture_force_rgb_data(cltrimagesink->texture, pixb->width, pixb->height, GST_BUFFER_DATA (buf)); */ } cltr_texture_unlock(cltrimagesink->texture); if (cltrimagesink->queue) { CltrVideoSignal *signal; signal = g_new0 (CltrVideoSignal, 1); signal->signal_id = CLTR_VIDEO_ASYNC_TEXTURE; signal->signal_data.texture.ref = cltrimagesink->texture; g_async_queue_push(cltrimagesink->queue, (gpointer)signal); } } else { /* No image available. Something went wrong during capsnego ! */ gst_buffer_unref (buf); GST_ELEMENT_ERROR (cltrimagesink, CORE, NEGOTIATION, (NULL), ("no format defined before chain function")); return; } } /* swap buffer here ? */ GST_DEBUG ("clock wait: %" GST_TIME_FORMAT, GST_TIME_ARGS (cltrimagesink->time)); /* ah, BTW, I think the gst_element_wait should happen _before_ the ximage is shown */ if (GST_VIDEOSINK_CLOCK (cltrimagesink)) gst_element_wait (GST_ELEMENT (cltrimagesink), cltrimagesink->time); /* set correct time for next buffer */ if (!GST_BUFFER_TIMESTAMP_IS_VALID (buf) && cltrimagesink->framerate > 0) cltrimagesink->time += GST_SECOND / cltrimagesink->framerate; gst_buffer_unref (buf); /* if (!cltrimagesink->signal_handoffs) gst_cltrimagesink_handle_xevents (cltrimagesink, pad); */ } /* =========================================== */ /* */ /* Init & Class init */ /* */ /* =========================================== */ static void gst_cltrimagesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GstCltrimageSink *cltrimagesink; g_return_if_fail (GST_IS_CLTRIMAGESINK (object)); cltrimagesink = GST_CLTRIMAGESINK (object); switch (prop_id) { case ARG_QUEUE: cltrimagesink->queue = g_value_get_pointer (value); break; /* case ARG_SIGNAL_HANDOFFS: cltrimagesink->signal_handoffs = g_value_get_boolean (value); */ break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_cltrimagesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GstCltrimageSink *cltrimagesink; g_return_if_fail (GST_IS_CLTRIMAGESINK (object)); cltrimagesink = GST_CLTRIMAGESINK (object); switch (prop_id) { case ARG_QUEUE: g_value_set_pointer (value, cltrimagesink->queue); break; /* case ARG_SIGNAL_HANDOFFS: g_value_set_boolean (value, cltrimagesink->signal_handoffs); break; */ default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_cltrimagesink_finalize (GObject *object) { GstCltrimageSink *cltrimagesink; cltrimagesink = GST_CLTRIMAGESINK (object); /* if (cltrimagesink->display_name) { g_free (cltrimagesink->display_name); cltrimagesink->display_name = NULL; } */ g_mutex_free (cltrimagesink->x_lock); g_mutex_free (cltrimagesink->pool_lock); G_OBJECT_CLASS (parent_class)->finalize (object); } static void gst_cltrimagesink_init (GstCltrimageSink * cltrimagesink) { GST_VIDEOSINK_PAD (cltrimagesink) = gst_pad_new_from_template ( gst_static_pad_template_get(&gst_cltrimagesink_sink_template_factory), "sink"); gst_element_add_pad (GST_ELEMENT (cltrimagesink), GST_VIDEOSINK_PAD (cltrimagesink)); gst_pad_set_chain_function (GST_VIDEOSINK_PAD (cltrimagesink), gst_cltrimagesink_chain); gst_pad_set_link_function (GST_VIDEOSINK_PAD (cltrimagesink), gst_cltrimagesink_sink_link); gst_pad_set_getcaps_function (GST_VIDEOSINK_PAD (cltrimagesink), gst_cltrimagesink_getcaps); gst_pad_set_fixate_function (GST_VIDEOSINK_PAD (cltrimagesink), gst_cltrimagesink_fixate); /* gst_pad_set_bufferalloc_function (GST_VIDEOSINK_PAD (cltrimagesink), gst_cltrimagesink_buffer_alloc); */ cltrimagesink->framerate = 0; cltrimagesink->x_lock = g_mutex_new (); cltrimagesink->pixel_width = cltrimagesink->pixel_height = 1; cltrimagesink->image_pool = NULL; cltrimagesink->pool_lock = g_mutex_new (); cltrimagesink->texture = NULL; GST_FLAG_SET (cltrimagesink, GST_ELEMENT_THREAD_SUGGESTED); GST_FLAG_SET (cltrimagesink, GST_ELEMENT_EVENT_AWARE); } static void gst_cltrimagesink_base_init (gpointer g_class) { GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); gst_element_class_set_details (element_class, &gst_cltrimagesink_details); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&gst_cltrimagesink_sink_template_factory)); } static void gst_cltrimagesink_class_init (GstCltrimageSinkClass * klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; gobject_class = (GObjectClass*) klass; gstelement_class = (GstElementClass*) klass; parent_class = g_type_class_ref (GST_TYPE_VIDEOSINK); /* TOGO */ g_object_class_install_property (gobject_class, ARG_QUEUE, g_param_spec_pointer ("queue", "Queue", "Async Signal Queue", G_PARAM_READWRITE)); /* TOGO */ g_object_class_install_property (gobject_class, ARG_SYNCHRONOUS, g_param_spec_boolean ("synchronous", "Synchronous", "When enabled, runs " "the X display in synchronous mode. (used only for debugging)", FALSE, G_PARAM_READWRITE)); /* TOGO */ g_object_class_install_property (gobject_class, ARG_SIGNAL_HANDOFFS, g_param_spec_boolean ("signal-handoffs", "Signal handoffs", "Send a signal before unreffing the buffer, forces YUV, no GL output", FALSE, G_PARAM_READWRITE)); gst_cltrimagesink_signals[SIGNAL_HANDOFF] = g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstCltrimageSinkClass, handoff), NULL, NULL, gst_marshal_VOID__POINTER_OBJECT, G_TYPE_NONE, 2, GST_TYPE_BUFFER, GST_TYPE_PAD); gst_cltrimagesink_signals[SIGNAL_BUFALLOC] = g_signal_new ("bufferalloc", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstCltrimageSinkClass, bufferalloc), NULL, NULL, gst_marshal_VOID__POINTER_OBJECT, G_TYPE_NONE, 2, GST_TYPE_BUFFER, GST_TYPE_PAD); gobject_class->finalize = gst_cltrimagesink_finalize; gobject_class->set_property = gst_cltrimagesink_set_property; gobject_class->get_property = gst_cltrimagesink_get_property; gstelement_class->change_state = gst_cltrimagesink_change_state; } /* ============================================================= */ /* */ /* Public Methods */ /* */ /* ============================================================= */ /* =========================================== */ /* */ /* Object typing & Creation */ /* */ /* =========================================== */ GType gst_cltrimagesink_get_type (void) { static GType cltrimagesink_type = 0; if (!cltrimagesink_type) { static const GTypeInfo cltrimagesink_info = { sizeof (GstCltrimageSinkClass), gst_cltrimagesink_base_init, NULL, (GClassInitFunc) gst_cltrimagesink_class_init, NULL, NULL, sizeof (GstCltrimageSink), 0, (GInstanceInitFunc) gst_cltrimagesink_init, }; cltrimagesink_type = g_type_register_static (GST_TYPE_VIDEOSINK, "GstCltrimageSink", &cltrimagesink_info, 0); } return cltrimagesink_type; } static gboolean plugin_init (GstPlugin *plugin) { /* Loading the library containing GstVideoSink, our parent object */ if (!gst_library_load ("gstvideo")) return FALSE; if (!gst_element_register (plugin, "cltrimagesink", GST_RANK_SECONDARY, GST_TYPE_CLTRIMAGESINK)) return FALSE; GST_DEBUG_CATEGORY_INIT (gst_debug_cltrimagesink, "cltrimagesink", 0, "cltrimagesink element"); return TRUE; } #define GST_LICENSE "LGPL" #define GST_PACKAGE "GStreamer" #define GST_ORIGIN "http://o-hand.com" GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "cltrimagesink", "Clutter video output plugin based on OpenGL 1.2 calls", plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)