/* * GStreamer EGL/GLES Sink * Copyright (C) 2012 Collabora Ltd. * @author: Reynaldo H. Verdejo Pinochet * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Alternatively, the contents of this file may be used under the * GNU Lesser General Public License Version 2.1 (the "LGPL"), in * which case the following provisions apply instead of the ones * mentioned above: * * 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. */ /** * SECTION:element-eglglessink * * This is a vout sink using EGL/GLES. * * * Rationale on OpenGL ES version * * This Sink uses GLESv2 * * * * * Example launch line * |[ * gst-launch -v -m videotestsrc ! eglglessink * ]| * * * * Example launch line with forced slow path rendering * * The sink will chose a buffer copy-over slow rendering path even * if needed EGL/GLES extensions to use a fast rendering path are * available. * * |[ * gst-launch -v -m videotestsrc ! eglglessink force_rendering_slow=TRUE * ]| * * * * Example launch line with internal window creation disabled * * The sink will wait for a window handle through it's xOverlay interface * even if internal window creation is supported by the platform and * implemented. * * |[ * gst-launch -v -m videotestsrc ! eglglessink can_create_window=FALSE * ]| * */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include #include #include #include #include #include #include "video_platform_wrapper.h" #include "gsteglglessink.h" GST_DEBUG_CATEGORY_STATIC (gst_eglglessink_debug); #define GST_CAT_DEFAULT gst_eglglessink_debug /* XXX: These should be defined per model someway * but the Galaxy Nexus's were taken as a reference * for now on: */ #define EGLGLESSINK_MAX_FRAME_WIDTH 1280 #define EGLGLESSINK_MAX_FRAME_HEIGHT 720 /* These are only needed for the fast rendering path */ #ifdef EGL_KHR_image static PFNEGLCREATEIMAGEKHRPROC my_eglCreateImageKHR; static PFNEGLDESTROYIMAGEKHRPROC my_eglDestroyImageKHR; #ifdef EGL_KHR_lock_surface static PFNEGLLOCKSURFACEKHRPROC my_eglLockSurfaceKHR; static PFNEGLUNLOCKSURFACEKHRPROC my_eglUnlockSurfaceKHR; static EGLint lock_attribs[] = { EGL_MAP_PRESERVE_PIXELS_KHR, EGL_TRUE, EGL_LOCK_USAGE_HINT_KHR, EGL_READ_SURFACE_BIT_KHR | EGL_WRITE_SURFACE_BIT_KHR, EGL_NONE }; #ifdef GL_OES_EGL_image static PFNGLEGLIMAGETARGETTEXTURE2DOESPROC my_glEGLImageTargetTexture2DOES; #define EGL_FAST_RENDERING_POSSIBLE 1 #endif #endif #endif static const char *vert_prog = { "attribute vec3 position;" "varying vec2 opos;" "void main(void)" "{" " opos = vec2((position.x + 1.0)/2.0, ((-1.0 * position.y) + 1.0)/2.0);" " gl_Position = vec4(position, 1.0);" "}" }; static const char *frag_prog = { "varying vec2 opos;" "uniform sampler2D tex;" "void main(void)" "{" " vec4 t = texture2D(tex, opos);" " gl_FragColor = vec4(t.xyz, 0.5);" "}" }; /* Input capabilities. * * OpenGL ES Standard does not mandate YUV support * * XXX: Extend RGB support to a set. Maybe implement YUV too. */ static GstStaticPadTemplate gst_eglglessink_sink_template_factory = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB)); /* Filter signals and args */ enum { /* FILL ME */ LAST_SIGNAL }; enum { PROP_0, PROP_SILENT, PROP_CAN_CREATE_WINDOW, PROP_DEFAULT_HEIGHT, PROP_DEFAULT_WIDTH, PROP_FORCE_RENDERING_SLOW }; /* XXX: Harcoded for now */ static EGLint eglglessink_RGB24_config[] = { EGL_RED_SIZE, 8, EGL_GREEN_SIZE, 8, EGL_BLUE_SIZE, 8, EGL_NONE }; static void gst_eglglessink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static void gst_eglglessink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static GstFlowReturn gst_eglglessink_show_frame (GstVideoSink * vsink, GstBuffer * buf); static gboolean gst_eglglessink_setcaps (GstBaseSink * bsink, GstCaps * caps); static gboolean gst_eglglessink_start (GstBaseSink * sink); static gboolean gst_eglglessink_stop (GstBaseSink * sink); static GstFlowReturn gst_eglglessink_buffer_alloc (GstBaseSink * sink, guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf); /* XOverlay interface cruft */ static gboolean gst_eglglessink_interface_supported (GstImplementsInterface * iface, GType type); static void gst_eglglessink_implements_init (GstImplementsInterfaceClass * klass); static void gst_eglglessink_xoverlay_init (GstXOverlayClass * iface); static void gst_eglglessink_init_interfaces (GType type); /* Actual XOverlay interface funcs */ static void gst_eglglessink_expose (GstXOverlay * overlay); static void gst_eglglessink_set_window_handle (GstXOverlay * overlay, guintptr id); /* Custom Buffer funcs */ static void gst_eglglesbuffer_destroy (GstEglGlesBuffer * eglglessink); static void gst_eglglesbuffer_init (GstEglGlesBuffer * eglglessink, gpointer g_class); static GType gst_eglglesbuffer_get_type (void); static gint gst_eglglessink_get_compat_format_from_caps (GstEglGlesSink * eglglessink, GstCaps * caps); static void gst_eglglesbuffer_finalize (GstEglGlesBuffer * eglglessink); static void gst_eglglesbuffer_class_init (gpointer g_class, gpointer class_data); static void gst_eglglesbuffer_free (GstEglGlesBuffer * eglglesbuffer); static GstEglGlesBuffer *gst_eglglesbuffer_new (GstEglGlesSink * eglglessink, GstCaps * caps); static EGLint *gst_eglglesbuffer_create_native (EGLNativeWindowType win, EGLConfig config, EGLNativeDisplayType display, const EGLint * egl_attribs); /* Utility */ static EGLNativeWindowType gst_eglglessink_create_window (GstEglGlesSink * eglglessink, gint width, gint height); static gboolean gst_eglglessink_init_egl_display (GstEglGlesSink * eglglessink); static gboolean gst_eglglessink_init_egl_surface (GstEglGlesSink * eglglessink); static void gst_eglglessink_init_egl_exts (GstEglGlesSink * eglglessink); static gboolean gst_eglglessink_setup_vbo (GstEglGlesSink * eglglessink, gboolean reset); static GstFlowReturn gst_eglglessink_render_and_display (GstEglGlesSink * sink, GstBuffer * buf); static inline gboolean got_gl_error (const char *wtf); static inline void show_egl_error (const char *wtf); static GstBufferClass *gsteglglessink_buffer_parent_class = NULL; #define GST_TYPE_EGLGLESBUFFER (gst_eglglesbuffer_get_type()) #define GST_IS_EGLGLESBUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_EGLGLESBUFFER)) #define GST_EGLGLESBUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_EGLGLESBUFFER, GstEglGlesBuffer)) #define GST_EGLGLESBUFFER_CAST(obj) ((GstEglGlesBuffer *)(obj)) GST_BOILERPLATE_FULL (GstEglGlesSink, gst_eglglessink, GstVideoSink, GST_TYPE_VIDEO_SINK, gst_eglglessink_init_interfaces) /* Custom Buffer Funcs */ /* XXX: Drafted implementation */ static EGLint *gst_eglglesbuffer_create_native (EGLNativeWindowType win, EGLConfig config, EGLNativeDisplayType display, const EGLint * egl_attribs) { EGLNativePixmapType pix; EGLSurface pix_surface; EGLint *buffer = NULL; /* XXX: Need to figure out how to create an egl_native_pixmap_t to * feed to eglCreatePixmapSurface. An option on android: create an * android_native_buffer_t to pass straight to eglCreateImageKHR. */ pix_surface = eglCreatePixmapSurface (display, config, pix, egl_attribs); if (pix_surface == EGL_NO_SURFACE) { show_egl_error ("eglCreatePixmapSurface"); GST_CAT_ERROR (GST_CAT_DEFAULT, "Unable to create pixmap surface"); goto EGL_ERROR; } if (my_eglLockSurfaceKHR (display, pix_surface, lock_attribs) == EGL_FALSE) { show_egl_error ("eglLockSurfaceKHR"); GST_CAT_ERROR (GST_CAT_DEFAULT, "Unable to lock surface"); goto EGL_ERROR; } if (eglQuerySurface (display, pix_surface, EGL_BITMAP_POINTER_KHR, buffer) == EGL_FALSE) { show_egl_error ("eglQuerySurface"); GST_CAT_ERROR (GST_CAT_DEFAULT, "Unable to query surface for bitmap pointer"); goto EGL_ERROR_LOCKED; } return buffer; EGL_ERROR_LOCKED: my_eglUnlockSurfaceKHR (display, pix_surface); EGL_ERROR: GST_CAT_ERROR (GST_CAT_DEFAULT, "EGL call returned error %x", eglGetError ()); if (!eglDestroySurface (display, pix_surface)) { show_egl_error ("eglDestroySurface"); GST_CAT_ERROR (GST_CAT_DEFAULT, "Couldn't destroy surface"); } return NULL; } static GstEglGlesBuffer * gst_eglglesbuffer_new (GstEglGlesSink * eglglessink, GstCaps * caps) { GstEglGlesBuffer *eglglesbuffer = NULL; GstStructure *structure = NULL; g_return_val_if_fail (GST_IS_EGLGLESSINK (eglglessink), NULL); g_return_val_if_fail (caps, NULL); eglglesbuffer = (GstEglGlesBuffer *) gst_mini_object_new (GST_TYPE_EGLGLESBUFFER); GST_DEBUG_OBJECT (eglglesbuffer, "Creating new GstEglGlesBuffer"); structure = gst_caps_get_structure (caps, 0); if (!gst_structure_get_int (structure, "width", &eglglesbuffer->width) || !gst_structure_get_int (structure, "height", &eglglesbuffer->height)) { GST_WARNING ("Failed getting geometry from caps %" GST_PTR_FORMAT, caps); } GST_LOG_OBJECT (eglglessink, "creating %dx%d", eglglesbuffer->width, eglglesbuffer->height); eglglesbuffer->format = gst_eglglessink_get_compat_format_from_caps (eglglessink, caps); if (eglglesbuffer->format == GST_EGLGLESSINK_IMAGE_NOFMT) { GST_WARNING_OBJECT (eglglessink, "Failed to get format from caps %" GST_PTR_FORMAT, caps); GST_ERROR_OBJECT (eglglessink, "Invalid input caps. Failed to create %dx%d buffer", eglglesbuffer->width, eglglesbuffer->height); goto BEACH_UNLOCKED; } eglglesbuffer->eglglessink = gst_object_ref (eglglessink); eglglesbuffer->image = gst_eglglesbuffer_create_native (eglglessink->window, eglglessink->config, eglglessink->display, NULL); if (!eglglesbuffer->image) { GST_ERROR_OBJECT (eglglessink, "Failed to create native %sx%d image buffer", eglglesbuffer->width, eglglesbuffer->height); goto BEACH_UNLOCKED; } GST_BUFFER_DATA (eglglesbuffer) = (guchar *) eglglesbuffer->image; GST_BUFFER_SIZE (eglglesbuffer) = eglglesbuffer->size; return eglglesbuffer; BEACH_UNLOCKED: gst_eglglesbuffer_free (eglglesbuffer); eglglesbuffer = NULL; return NULL; } static void gst_eglglesbuffer_destroy (GstEglGlesBuffer * eglglesbuffer) { GstEglGlesSink *eglglessink; GST_DEBUG_OBJECT (eglglesbuffer, "Destroying buffer"); eglglessink = eglglesbuffer->eglglessink; if (G_UNLIKELY (eglglessink == NULL)) goto NO_SINK; g_return_if_fail (GST_IS_EGLGLESSINK (eglglessink)); GST_OBJECT_LOCK (eglglessink); GST_DEBUG_OBJECT (eglglessink, "Destroying image"); if (eglglesbuffer->image) { if (GST_BUFFER_DATA (eglglesbuffer)) { g_free (GST_BUFFER_DATA (eglglesbuffer)); } eglglesbuffer->image = NULL; /* XXX: Unallocate EGL/GL especific resources asociated with this * Image here */ } GST_OBJECT_UNLOCK (eglglessink); eglglesbuffer->eglglessink = NULL; gst_object_unref (eglglessink); GST_MINI_OBJECT_CLASS (gsteglglessink_buffer_parent_class)->finalize (GST_MINI_OBJECT (eglglesbuffer)); return; NO_SINK: GST_WARNING ("No sink found"); return; } /* XXX: Missing implementation. * This function will have the code for maintaing the pool. readding or * destroying the buffers on size or runing/status change. Right now all * it does is to call _destroy. * for a proper implementation take a look at xvimagesink's image buffer * destroy func. */ static void gst_eglglesbuffer_finalize (GstEglGlesBuffer * eglglesbuffer) { GstEglGlesSink *eglglessink; eglglessink = eglglesbuffer->eglglessink; if (G_UNLIKELY (eglglessink == NULL)) goto NO_SINK; g_return_if_fail (GST_IS_EGLGLESSINK (eglglessink)); gst_eglglesbuffer_destroy (eglglesbuffer); return; NO_SINK: GST_WARNING ("No sink found"); return; } static void gst_eglglesbuffer_free (GstEglGlesBuffer * eglglesbuffer) { /* Make sure it is not recycled. This is meaningless without * a pool but was left here as a reference */ eglglesbuffer->width = -1; eglglesbuffer->height = -1; gst_buffer_unref (GST_BUFFER (eglglesbuffer)); } static void gst_eglglesbuffer_init (GstEglGlesBuffer * eglglesbuffer, gpointer g_class) { eglglesbuffer->width = 0; eglglesbuffer->height = 0; eglglesbuffer->size = 0; eglglesbuffer->image = NULL; eglglesbuffer->format = GST_EGLGLESSINK_IMAGE_NOFMT; } static void gst_eglglesbuffer_class_init (gpointer g_class, gpointer class_data) { GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class); gsteglglessink_buffer_parent_class = g_type_class_peek_parent (g_class); mini_object_class->finalize = (GstMiniObjectFinalizeFunction) gst_eglglesbuffer_finalize; } static GType gst_eglglesbuffer_get_type (void) { static GType _gst_eglglessink_buffer_type; if (G_UNLIKELY (_gst_eglglessink_buffer_type == 0)) { static const GTypeInfo eglglessink_buffer_info = { sizeof (GstBufferClass), NULL, NULL, gst_eglglesbuffer_class_init, NULL, NULL, sizeof (GstEglGlesBuffer), 0, (GInstanceInitFunc) gst_eglglesbuffer_init, NULL }; _gst_eglglessink_buffer_type = g_type_register_static (GST_TYPE_BUFFER, "GstEglGlesBuffer", &eglglessink_buffer_info, 0); } return _gst_eglglessink_buffer_type; } /* This function is sort of meaningless right now as we * Only Support one image format / caps but was left here * as a reference for future improvements. */ static gint gst_eglglessink_get_compat_format_from_caps (GstEglGlesSink * eglglessink, GstCaps * caps) { GList *list = NULL; GstEglGlesImageFmt *format; g_return_val_if_fail (GST_IS_EGLGLESSINK (eglglessink), 0); list = eglglessink->supported_fmts; /* Traverse the list trying to find a compatible format */ while (list) { format = list->data; GST_DEBUG_OBJECT (eglglessink, "Checking compatibility between listed %" GST_PTR_FORMAT " and %" GST_PTR_FORMAT, format->caps, caps); if (format) { if (gst_caps_can_intersect (caps, format->caps)) { return format->fmt; } } list = g_list_next (list); } return GST_EGLGLESSINK_IMAGE_NOFMT; } static GstCaps * gst_eglglessink_different_size_suggestion (GstEglGlesSink * eglglessink, GstCaps * caps) { GstCaps *intersection; GstCaps *new_caps; GstStructure *s; gint width, height; gint par_n = 1, par_d = 1; gint dar_n, dar_d; gint w, h; new_caps = gst_caps_copy (caps); s = gst_caps_get_structure (new_caps, 0); gst_structure_get_int (s, "width", &width); gst_structure_get_int (s, "height", &height); gst_structure_get_fraction (s, "pixel-aspect-ratio", &par_n, &par_d); gst_structure_remove_field (s, "width"); gst_structure_remove_field (s, "height"); gst_structure_remove_field (s, "pixel-aspect-ratio"); intersection = gst_caps_intersect (eglglessink->current_caps, new_caps); gst_caps_unref (new_caps); if (gst_caps_is_empty (intersection)) return intersection; s = gst_caps_get_structure (intersection, 0); gst_util_fraction_multiply (width, height, par_n, par_d, &dar_n, &dar_d); /* XXX: xvimagesink supports all PARs not sure about our eglglessink * though, need to review this afterwards. */ gst_structure_fixate_field_nearest_int (s, "width", width); gst_structure_fixate_field_nearest_int (s, "height", height); gst_structure_get_int (s, "width", &w); gst_structure_get_int (s, "height", &h); gst_util_fraction_multiply (h, w, dar_n, dar_d, &par_n, &par_d); gst_structure_set (s, "pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL); return intersection; } static GstFlowReturn gst_eglglessink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf) { GstEglGlesSink *eglglessink; GstFlowReturn ret = GST_FLOW_OK; GstEglGlesBuffer *eglglesbuffer = NULL; GstCaps *intersection = NULL; GstStructure *structure = NULL; GstVideoFormat image_format; gint width, height; eglglessink = GST_EGLGLESSINK (bsink); /* No custom alloc for the slow rendering path */ if (eglglessink->rendering_path == GST_EGLGLESSINK_RENDER_SLOW) { GST_INFO_OBJECT (eglglessink, "No custom alloc for slow rendering path"); *buf = NULL; return GST_FLOW_OK; } if (G_UNLIKELY (!caps)) goto NO_CAPS; if (G_LIKELY (gst_caps_is_equal (caps, eglglessink->current_caps))) { GST_LOG_OBJECT (eglglessink, "Buffer alloc for same last_caps, reusing caps"); intersection = gst_caps_ref (caps); image_format = eglglessink->format; width = GST_VIDEO_SINK_WIDTH (eglglessink); height = GST_VIDEO_SINK_HEIGHT (eglglessink); goto REUSE_LAST_CAPS; } GST_DEBUG_OBJECT (eglglessink, "Buffer alloc requested size %d with caps %" GST_PTR_FORMAT ", intersecting with our caps %" GST_PTR_FORMAT, size, caps, eglglessink->current_caps); /* Check the caps against our current caps */ intersection = gst_caps_intersect (eglglessink->current_caps, caps); GST_DEBUG_OBJECT (eglglessink, "Intersection in buffer alloc returned %" GST_PTR_FORMAT, intersection); if (gst_caps_is_empty (intersection)) { GstCaps *new_caps; gst_caps_unref (intersection); /* So we don't support this kind of buffer, let's define one we'd like */ new_caps = gst_caps_copy (caps); structure = gst_caps_get_structure (new_caps, 0); if (!gst_structure_has_field (structure, "width") || !gst_structure_has_field (structure, "height")) { gst_caps_unref (new_caps); goto INVALID; } /* Try different dimensions */ intersection = gst_eglglessink_different_size_suggestion (eglglessink, new_caps); /* YUV not implemented yet */ if (gst_caps_is_empty (intersection)) { gst_structure_set_name (structure, "video/x-raw-rgb"); /* Remove format specific fields */ gst_structure_remove_field (structure, "format"); gst_structure_remove_field (structure, "endianness"); gst_structure_remove_field (structure, "depth"); gst_structure_remove_field (structure, "bpp"); gst_structure_remove_field (structure, "red_mask"); gst_structure_remove_field (structure, "green_mask"); gst_structure_remove_field (structure, "blue_mask"); gst_structure_remove_field (structure, "alpha_mask"); /* Reuse intersection with current_caps */ intersection = gst_caps_intersect (eglglessink->current_caps, new_caps); } /* Try with different dimensions */ if (gst_caps_is_empty (intersection)) intersection = gst_eglglessink_different_size_suggestion (eglglessink, new_caps); /* Clean this copy */ gst_caps_unref (new_caps); if (gst_caps_is_empty (intersection)) goto INCOMPATIBLE; } /* Ensure the returned caps are fixed */ gst_caps_truncate (intersection); GST_DEBUG_OBJECT (eglglessink, "Allocating a buffer with caps %" GST_PTR_FORMAT, intersection); if (gst_caps_is_equal (intersection, caps)) { /* Things work better if we return a buffer with the same caps ptr * as was asked for when we can */ gst_caps_replace (&intersection, caps); } /* Get image format from caps */ image_format = gst_eglglessink_get_compat_format_from_caps (eglglessink, intersection); if (image_format == GST_EGLGLESSINK_IMAGE_NOFMT) GST_WARNING_OBJECT (eglglessink, "Can't get a compatible format from caps"); /* Get geometry from caps */ structure = gst_caps_get_structure (intersection, 0); if (!gst_structure_get_int (structure, "width", &width) || !gst_structure_get_int (structure, "height", &height) || image_format == GST_EGLGLESSINK_IMAGE_NOFMT) goto INVALID_CAPS; REUSE_LAST_CAPS: GST_DEBUG_OBJECT (eglglessink, "Creating eglglesbuffer"); eglglesbuffer = gst_eglglesbuffer_new (eglglessink, intersection); if (eglglesbuffer) { /* Make sure the buffer is cleared of any previously used flags */ GST_MINI_OBJECT_CAST (eglglesbuffer)->flags = 0; gst_buffer_set_caps (GST_BUFFER_CAST (eglglesbuffer), intersection); } *buf = GST_BUFFER_CAST (eglglesbuffer); BEACH: if (intersection) { gst_caps_unref (intersection); } return ret; /* ERRORS */ INVALID: { GST_DEBUG_OBJECT (eglglessink, "No width/height on caps!?"); ret = GST_FLOW_WRONG_STATE; goto BEACH; } INCOMPATIBLE: { GST_WARNING_OBJECT (eglglessink, "We were requested a buffer with " "caps %" GST_PTR_FORMAT ", but our current caps %" GST_PTR_FORMAT " are completely incompatible!", caps, eglglessink->current_caps); ret = GST_FLOW_NOT_NEGOTIATED; goto BEACH; } INVALID_CAPS: { GST_WARNING_OBJECT (eglglessink, "Invalid caps for buffer allocation %" GST_PTR_FORMAT, intersection); ret = GST_FLOW_NOT_NEGOTIATED; goto BEACH; } NO_CAPS: { GST_WARNING_OBJECT (eglglessink, "Have no caps, doing fallback allocation"); *buf = NULL; ret = GST_FLOW_OK; goto BEACH; } } gboolean gst_eglglessink_start (GstBaseSink * sink) { gboolean ret; GstEglGlesSink *eglglessink = GST_EGLGLESSINK (sink); GstEglGlesImageFmt *format; eglglessink->flow_lock = g_mutex_new (); g_mutex_lock (eglglessink->flow_lock); ret = gst_eglglessink_init_egl_display (eglglessink); if (!ret) { GST_ERROR_OBJECT (eglglessink, "Couldn't init EGL display"); goto HANDLE_ERROR; } ret = platform_wrapper_init (); if (!ret) { GST_ERROR_OBJECT (eglglessink, "Couldn't init EGL platform wrapper"); goto HANDLE_ERROR; } /* Init supported caps list (Right now we just harcode the only one we support) * XXX: Not sure this is the right place to do it. */ format = g_new0 (GstEglGlesImageFmt, 1); if (format) { format->fmt = GST_EGLGLESSINK_IMAGE_RGB24; format->caps = gst_caps_copy (gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD (eglglessink))); eglglessink->supported_fmts = g_list_append (eglglessink->supported_fmts, format); } g_mutex_unlock (eglglessink->flow_lock); return TRUE; HANDLE_ERROR: g_mutex_unlock (eglglessink->flow_lock); return FALSE; } /* XXX: Should implement */ gboolean gst_eglglessink_stop (GstBaseSink * sink) { GstEglGlesSink *eglglessink = GST_EGLGLESSINK (sink); platform_destroy_native_window (eglglessink->display, eglglessink->window); g_mutex_free (eglglessink->flow_lock); eglglessink->flow_lock = NULL; return TRUE; } static void gst_eglglessink_xoverlay_init (GstXOverlayClass * iface) { iface->set_window_handle = gst_eglglessink_set_window_handle; iface->expose = gst_eglglessink_expose; } static gboolean gst_eglglessink_interface_supported (GstImplementsInterface * iface, GType type) { return (type == GST_TYPE_X_OVERLAY); } static void gst_eglglessink_implements_init (GstImplementsInterfaceClass * klass) { klass->supported = gst_eglglessink_interface_supported; } static inline gboolean got_gl_error (const char *wtf) { GLuint error = GL_NO_ERROR; if ((error = glGetError ()) != GL_NO_ERROR) { GST_CAT_ERROR (GST_CAT_DEFAULT, "GL ERROR: %s returned %x", wtf, error); return TRUE; } return FALSE; } static inline void show_egl_error (const char *wtf) { EGLint error; if ((error = eglGetError ()) != EGL_SUCCESS) GST_CAT_DEBUG (GST_CAT_DEFAULT, "EGL ERROR: %s returned %x", wtf, error); } static EGLNativeWindowType gst_eglglessink_create_window (GstEglGlesSink * eglglessink, gint width, gint height) { EGLNativeWindowType window = 0; if (!eglglessink->can_create_window) { GST_ERROR_OBJECT (eglglessink, "This sink can't create a window by itself"); return window; } else GST_INFO_OBJECT (eglglessink, "Attempting internal window creation"); if (!width && !height) { /* Create a default size window */ width = eglglessink->window_default_width; height = eglglessink->window_default_height; } window = platform_create_native_window (width, height); if (!window) { GST_ERROR_OBJECT (eglglessink, "Could not create window"); return window; } gst_x_overlay_got_window_handle (GST_X_OVERLAY (eglglessink), window); return window; } /* XXX: Should implement (redisplay) * We need at least the last buffer stored for this to work */ static void gst_eglglessink_expose (GstXOverlay * overlay) { GstEglGlesSink *eglglessink; eglglessink = GST_EGLGLESSINK (overlay); GST_DEBUG_OBJECT (eglglessink, "Expose catched, redisplay"); /* Logic would be to get _render_and_display() to use * last seen buffer to render from when NULL it's * passed on */ return gst_eglglessink_render_and_display (eglglessink, NULL); } /* Checks available egl/gles extensions and chooses * a suitable rendering path from GstEglGlesSinkRenderingPath * accordingly. This function can only be called after an * EGL context has been made current. */ static void gst_eglglessink_init_egl_exts (GstEglGlesSink * eglglessink) { const char *eglexts; unsigned const char *glexts; eglexts = eglQueryString (eglglessink->display, EGL_EXTENSIONS); glexts = glGetString (GL_EXTENSIONS); GST_DEBUG_OBJECT (eglglessink, "Available EGL extensions: %s\n", eglexts); GST_DEBUG_OBJECT (eglglessink, "Available GLES extensions: %s\n", glexts); #ifdef EGL_FAST_RENDERING_POSSIBLE /* OK Fast rendering should be possible from the declared * extensions on the eglexts/glexts.h headers */ /* Check for support from claimed EGL/GLES extensions */ if (!strstr (eglexts, "EGL_KHR_image")) goto KHR_IMAGE_NA; if (!strstr (eglexts, "EGL_KHR_lock_surface")) goto SURFACE_LOCK_NA; if (!strstr (glexts, "GL_OES_EGL_image")) goto TEXTURE_2DOES_NA; /* Check for actual extension proc addresses */ my_eglCreateImageKHR = (PFNEGLCREATEIMAGEKHRPROC) eglGetProcAddress ("eglCreateImageKHR"); my_eglDestroyImageKHR = (PFNEGLDESTROYIMAGEKHRPROC) eglGetProcAddress ("eglDestroyImageKHR"); if (!my_eglCreateImageKHR || !my_eglDestroyImageKHR) { KHR_IMAGE_NA: GST_INFO_OBJECT (eglglessink, "Extension missing: EGL_KHR_image"); goto MISSING_EXTS; } my_eglLockSurfaceKHR = (PFNEGLLOCKSURFACEKHRPROC) eglGetProcAddress ("eglLockSurfaceKHR"); my_eglUnlockSurfaceKHR = (PFNEGLUNLOCKSURFACEKHRPROC) eglGetProcAddress ("eglUnlockSurfaceKHR"); if (!my_eglLockSurfaceKHR || !my_eglUnlockSurfaceKHR) { SURFACE_LOCK_NA: GST_INFO_OBJECT (eglglessink, "Extension missing: EGL_KHR_lock_surface"); goto MISSING_EXTS; } my_glEGLImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) eglGetProcAddress ("glEGLImageTargetTexture2DOES"); if (!my_glEGLImageTargetTexture2DOES) { TEXTURE_2DOES_NA: GST_INFO_OBJECT (eglglessink, "Extension missing: GL_OES_EGL_image"); goto MISSING_EXTS; } if (!eglglessink->force_rendering_slow) { GST_INFO_OBJECT (eglglessink, "Have needed extensions for fast rendering path"); } else { GST_WARNING_OBJECT (eglglessink, "Extension check passed but slow rendering path being forced"); goto SLOW_PATH_SELECTED; } /* Extension check passed. Enable fast rendering path */ eglglessink->rendering_path = GST_EGLGLESSINK_RENDER_FAST; GST_INFO_OBJECT (eglglessink, "Using fast rendering path"); return; #endif MISSING_EXTS: GST_WARNING_OBJECT (eglglessink, "Extensions missing. Can't use fast rendering path"); SLOW_PATH_SELECTED: eglglessink->rendering_path = GST_EGLGLESSINK_RENDER_SLOW; GST_INFO_OBJECT (eglglessink, "Using slow rendering path"); return; } static gboolean gst_eglglessink_setup_vbo (GstEglGlesSink * eglglessink, gboolean reset) { g_mutex_lock (eglglessink->flow_lock); GST_INFO_OBJECT (eglglessink, "VBO setup. have_vbo:%d, should reset %d", eglglessink->have_vbo, reset); if (!eglglessink->have_vbo || reset) { GST_DEBUG_OBJECT (eglglessink, "Performing VBO setup"); eglglessink->coordarray[0].x = -1; eglglessink->coordarray[0].y = 1; eglglessink->coordarray[0].z = 0; eglglessink->coordarray[1].x = 1; eglglessink->coordarray[1].y = 1; eglglessink->coordarray[1].z = 0; eglglessink->coordarray[2].x = 1; eglglessink->coordarray[2].y = -1; eglglessink->coordarray[2].z = 0; eglglessink->coordarray[3].x = -1; eglglessink->coordarray[3].y = -1; eglglessink->coordarray[3].z = 0; eglglessink->indexarray[0] = 1; eglglessink->indexarray[1] = 2; eglglessink->indexarray[2] = 0; eglglessink->indexarray[3] = 3; glGenBuffers (1, &eglglessink->vdata); glGenBuffers (1, &eglglessink->idata); if (got_gl_error ("glGenBuffers")) goto HANDLE_ERROR_LOCKED; glBindBuffer (GL_ARRAY_BUFFER, eglglessink->vdata); if (got_gl_error ("glBindBuffer vdata")) goto HANDLE_ERROR_LOCKED; glBufferData (GL_ARRAY_BUFFER, sizeof (eglglessink->coordarray), eglglessink->coordarray, GL_STATIC_DRAW); if (got_gl_error ("glBufferData vdata")) goto HANDLE_ERROR_LOCKED; glVertexAttribPointer (0, 3, GL_FLOAT, GL_FALSE, 0, 0); if (got_gl_error ("glVertexAttribPointer")) goto HANDLE_ERROR_LOCKED; glEnableVertexAttribArray (0); if (got_gl_error ("glEnableVertexAttribArray")) goto HANDLE_ERROR_LOCKED; glBindBuffer (GL_ELEMENT_ARRAY_BUFFER, eglglessink->idata); if (got_gl_error ("glBindBuffer idata")) goto HANDLE_ERROR_LOCKED; glBufferData (GL_ELEMENT_ARRAY_BUFFER, sizeof (eglglessink->indexarray), eglglessink->indexarray, GL_STATIC_DRAW); if (got_gl_error ("glBufferData idata")) goto HANDLE_ERROR_LOCKED; eglglessink->have_vbo = TRUE; } else { GST_INFO_OBJECT (eglglessink, "Won't perform VBO setup"); } g_mutex_unlock (eglglessink->flow_lock); return TRUE; HANDLE_ERROR_LOCKED: g_mutex_unlock (eglglessink->flow_lock); GST_ERROR_OBJECT (eglglessink, "Unable to perform VBO setup"); return FALSE; } static gboolean gst_eglglessink_init_egl_surface (GstEglGlesSink * eglglessink) { GLint test; GLuint verthandle, fraghandle, prog; GST_DEBUG_OBJECT (eglglessink, "Enter EGL surface setup"); g_mutex_lock (eglglessink->flow_lock); eglglessink->surface = eglCreateWindowSurface (eglglessink->display, eglglessink->config, eglglessink->window, NULL); if (eglglessink->surface == EGL_NO_SURFACE) { show_egl_error ("eglCreateWindowSurface"); GST_ERROR_OBJECT (eglglessink, "Can't create surface"); goto HANDLE_EGL_ERROR_LOCKED; } if (!eglMakeCurrent (eglglessink->display, eglglessink->surface, eglglessink->surface, eglglessink->context)) { show_egl_error ("eglCreateWindowSurface"); GST_ERROR_OBJECT (eglglessink, "Couldn't bind surface/context"); goto HANDLE_EGL_ERROR_LOCKED; } /* We have a surface! */ eglglessink->have_surface = TRUE; g_mutex_unlock (eglglessink->flow_lock); /* Init vertex and fragment progs. * XXX: Need to be runtime conditional or ifdefed */ verthandle = glCreateShader (GL_VERTEX_SHADER); GST_DEBUG_OBJECT (eglglessink, "sending %s to handle %d", vert_prog, verthandle); glShaderSource (verthandle, 1, &vert_prog, NULL); if (got_gl_error ("glShaderSource vertex")) goto HANDLE_ERROR; glCompileShader (verthandle); if (got_gl_error ("glCompileShader vertex")) goto HANDLE_ERROR; glGetShaderiv (verthandle, GL_COMPILE_STATUS, &test); if (test != GL_FALSE) GST_DEBUG_OBJECT (eglglessink, "Successfully compiled vertex program"); fraghandle = glCreateShader (GL_FRAGMENT_SHADER); glShaderSource (fraghandle, 1, &frag_prog, NULL); if (got_gl_error ("glShaderSource fragment")) goto HANDLE_ERROR; glCompileShader (fraghandle); if (got_gl_error ("glCompileShader fragment")) goto HANDLE_ERROR; glGetShaderiv (fraghandle, GL_COMPILE_STATUS, &test); if (test != GL_FALSE) GST_DEBUG_OBJECT (eglglessink, "Successfully compiled fragment program"); prog = glCreateProgram (); if (got_gl_error ("glCreateProgram")) goto HANDLE_ERROR; glAttachShader (prog, verthandle); if (got_gl_error ("glAttachShader vertices")) goto HANDLE_ERROR; glAttachShader (prog, fraghandle); if (got_gl_error ("glAttachShader fragments")) goto HANDLE_ERROR; glLinkProgram (prog); glGetProgramiv (prog, GL_LINK_STATUS, &test); if (test != GL_FALSE) GST_DEBUG_OBJECT (eglglessink, "GLES: Successfully linked program"); glUseProgram (prog); if (got_gl_error ("glUseProgram")) goto HANDLE_ERROR; /* Generate and bind texture */ if (!eglglessink->have_texture) { GST_INFO_OBJECT (eglglessink, "Doing initial texture setup"); g_mutex_lock (eglglessink->flow_lock); glGenTextures (1, &eglglessink->texture[0]); if (got_gl_error ("glGenTextures")) goto HANDLE_ERROR_LOCKED; glBindTexture (GL_TEXTURE_2D, eglglessink->texture[0]); if (got_gl_error ("glBindTexture")) goto HANDLE_ERROR_LOCKED; eglglessink->have_texture = TRUE; g_mutex_unlock (eglglessink->flow_lock); } return TRUE; /* Errors */ HANDLE_EGL_ERROR_LOCKED: GST_ERROR_OBJECT (eglglessink, "EGL call returned error %x", eglGetError ()); HANDLE_ERROR_LOCKED: g_mutex_unlock (eglglessink->flow_lock); HANDLE_ERROR: GST_ERROR_OBJECT (eglglessink, "Couldn't setup EGL surface"); return FALSE; } static gboolean gst_eglglessink_init_egl_display (GstEglGlesSink * eglglessink) { GLint egl_configs; EGLint egl_major, egl_minor; EGLint con_attribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE }; GST_DEBUG_OBJECT (eglglessink, "Enter EGL initial configuration"); eglglessink->display = eglGetDisplay (EGL_DEFAULT_DISPLAY); if (eglglessink->display == EGL_NO_DISPLAY) { GST_ERROR_OBJECT (eglglessink, "Could not get EGL display connection"); goto HANDLE_ERROR; /* No EGL error is set by eglGetDisplay() */ } if (!eglInitialize (eglglessink->display, &egl_major, &egl_minor)) { show_egl_error ("eglInitialize"); GST_ERROR_OBJECT (eglglessink, "Could not init EGL display connection"); goto HANDLE_EGL_ERROR; } /* Check against required EGL version */ if (egl_major < GST_EGLGLESSINK_EGL_MIN_VERSION) { GST_ERROR_OBJECT (eglglessink, "EGL v%d\n needed, but you only have v%d.%d", GST_EGLGLESSINK_EGL_MIN_VERSION, egl_major, egl_minor); goto HANDLE_ERROR; } GST_INFO_OBJECT (eglglessink, "System reports supported EGL version v%d.%d", egl_major, egl_minor); if (!eglChooseConfig (eglglessink->display, eglglessink_RGB24_config, &eglglessink->config, 1, &egl_configs)) { show_egl_error ("eglChooseConfig"); GST_ERROR_OBJECT (eglglessink, "Could not choose EGL config"); goto HANDLE_EGL_ERROR; } eglBindAPI (EGL_OPENGL_ES_API); eglglessink->context = eglCreateContext (eglglessink->display, eglglessink->config, EGL_NO_CONTEXT, con_attribs); if (eglglessink->context == EGL_NO_CONTEXT) { GST_ERROR_OBJECT (eglglessink, "Error getting context, eglCreateContext"); goto HANDLE_EGL_ERROR; } GST_DEBUG_OBJECT (eglglessink, "EGL Context: %x", eglglessink->context); return TRUE; /* Errors */ HANDLE_EGL_ERROR: GST_ERROR_OBJECT (eglglessink, "EGL call returned error %x", eglGetError ()); HANDLE_ERROR: GST_ERROR_OBJECT (eglglessink, "Couldn't setup window/surface from handle"); return FALSE; } /* XXX: Never actually tested */ static void gst_eglglessink_set_window_handle (GstXOverlay * overlay, guintptr id) { GstEglGlesSink *eglglessink = GST_EGLGLESSINK (overlay); g_return_if_fail (GST_IS_EGLGLESSINK (eglglessink)); GST_DEBUG_OBJECT (eglglessink, "We got a window handle!"); if (!id) { /* We are being requested to create our own window. * 0x0 fires default size creation */ GST_WARNING_OBJECT (eglglessink, "OH NOES they want a new window"); g_mutex_lock (eglglessink->flow_lock); eglglessink->window = gst_eglglessink_create_window (eglglessink, 0, 0); if (!eglglessink->window) { GST_ERROR_OBJECT (eglglessink, "Got a NULL window"); goto HANDLE_ERROR_LOCKED; } } else if (eglglessink->window == id) { /* Already used window */ GST_WARNING_OBJECT (eglglessink, "We've got the same %x window handle again", id); GST_INFO_OBJECT (eglglessink, "Skipping surface setup"); goto HANDLE_ERROR; } else { g_mutex_lock (eglglessink->flow_lock); eglglessink->window = (EGLNativeWindowType) id; } /* OK, we have a new window */ eglglessink->have_window = TRUE; g_mutex_unlock (eglglessink->flow_lock); if (!gst_eglglessink_init_egl_surface (eglglessink)) { GST_ERROR_OBJECT (eglglessink, "Couldn't init EGL surface!"); goto HANDLE_ERROR; } /* Init extensions */ gst_eglglessink_init_egl_exts (eglglessink); return; /* Errors */ HANDLE_ERROR_LOCKED: g_mutex_unlock (eglglessink->flow_lock); HANDLE_ERROR: GST_ERROR_OBJECT (eglglessink, "Couldn't setup window/surface from handle"); return; } /* Rendering and display */ static GstFlowReturn gst_eglglessink_render_and_display (GstEglGlesSink * eglglessink, GstBuffer * buf) { gint w, h; #ifdef EGL_FAST_RENDERING_POSSIBLE EGLImageKHR img = EGL_NO_IMAGE_KHR; EGLint attrs[] = { EGL_IMAGE_PRESERVED_KHR, EGL_FALSE, EGL_NONE, EGL_NONE }; #endif if (!buf) { GST_ERROR_OBJECT (eglglessink, "Null buffer, no past queue implemented"); goto HANDLE_ERROR; } w = GST_VIDEO_SINK_WIDTH (eglglessink); h = GST_VIDEO_SINK_HEIGHT (eglglessink); GST_DEBUG_OBJECT (eglglessink, "Got good buffer %x. Sink geometry is %dx%d size %d", buf, w, h, GST_BUFFER_SIZE (buf)); /* Make sure we stay on our context to avoid threading nightmares */ if (!eglMakeCurrent (eglglessink->display, eglglessink->surface, eglglessink->surface, eglglessink->context)) { GST_ERROR_OBJECT (eglglessink, "Couldn't bind surface/context, " "eglMakeCurrent"); goto HANDLE_ERROR; } switch (eglglessink->rendering_path) { #ifdef EGL_FAST_RENDERING_POSSIBLE case GST_EGLGLESSINK_RENDER_FAST: /* XXX: Not Fully implemented */ img = my_eglCreateImageKHR (eglglessink->display, EGL_NO_CONTEXT, EGL_NATIVE_PIXMAP_KHR, (EGLClientBuffer) GST_BUFFER_DATA (buf), attrs); if (img == EGL_NO_IMAGE_KHR) { GST_ERROR_OBJECT (eglglessink, "my_eglCreateImageKHR failed"); goto HANDLE_EGL_ERROR; } my_glEGLImageTargetTexture2DOES (GL_TEXTURE_2D, img); break; #endif default: /* case GST_EGLGLESSINK_RENDER_SLOW */ /* XXX: This should actually happen each time * frame/window dimension changes. * Also might want to find a way to pass buffer's * width and height values when non power of two * and no npot extension available. */ glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, GL_UNSIGNED_BYTE, GST_BUFFER_DATA (buf)); if (got_gl_error ("glTexImage2D")) goto HANDLE_ERROR; /* resizing params */ glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); if (got_gl_error ("glTexParameteri")) goto HANDLE_ERROR; /* XXX: VBO stuff this actually makes more sense on the setcaps stub? * The way it is right now makes this happen only for the first buffer * though so I guess it should work */ if (gst_eglglessink_setup_vbo (eglglessink, FALSE)) { glViewport (0, 0, w, h); } else { GST_ERROR_OBJECT (eglglessink, "VBO setup failed"); goto HANDLE_ERROR; } glClearColor (1.0, 0.0, 0.0, 0.0); glClear (GL_COLOR_BUFFER_BIT); glDrawElements (GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, 0); if (got_gl_error ("glDrawElements")) goto HANDLE_ERROR; eglSwapBuffers (eglglessink->display, eglglessink->surface); } GST_DEBUG_OBJECT (eglglessink, "Succesfully rendered 1 frame"); return GST_FLOW_OK; HANDLE_EGL_ERROR: GST_ERROR_OBJECT (eglglessink, "EGL call returned error %x", eglGetError ()); HANDLE_ERROR: GST_ERROR_OBJECT (eglglessink, "Rendering disabled for this frame"); return GST_FLOW_ERROR; } static GstFlowReturn gst_eglglessink_show_frame (GstVideoSink * vsink, GstBuffer * buf) { GstEglGlesSink *eglglessink; g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR); eglglessink = GST_EGLGLESSINK (vsink); GST_DEBUG_OBJECT (eglglessink, "Got buffer: %p", buf); if (!eglglessink->have_window) { GST_ERROR_OBJECT (eglglessink, "I don't have a window to render to"); return GST_FLOW_ERROR; } if (!eglglessink->have_surface) { GST_ERROR_OBJECT (eglglessink, "I don't have a surface to render to"); return GST_FLOW_ERROR; } #ifndef EGL_ANDROID_image_native_buffer GST_WARNING_OBJECT (eglglessink, "EGL_ANDROID_image_native_buffer not " "available"); #endif return gst_eglglessink_render_and_display (eglglessink, buf); } static gboolean gst_eglglessink_setcaps (GstBaseSink * bsink, GstCaps * caps) { GstEglGlesSink *eglglessink; gboolean ret = TRUE; gint width, height; eglglessink = GST_EGLGLESSINK (bsink); GST_DEBUG_OBJECT (eglglessink, "In setcaps. Possible caps %" GST_PTR_FORMAT ", setting caps %" GST_PTR_FORMAT, eglglessink->current_caps, caps); if (!(ret = gst_video_format_parse_caps (caps, &eglglessink->format, &width, &height))) { GST_ERROR_OBJECT (eglglessink, "Got weird and/or incomplete caps"); goto HANDLE_ERROR; } if (gst_eglglessink_get_compat_format_from_caps (eglglessink, caps) == GST_EGLGLESSINK_IMAGE_NOFMT) { GST_ERROR_OBJECT (eglglessink, "Unsupported format"); goto HANDLE_ERROR; } /* XXX: Renegotiation not implemented yet */ if (eglglessink->current_caps) { GST_ERROR_OBJECT (eglglessink, "Caps already set. Won't do it again"); if (gst_caps_is_always_compatible (caps, eglglessink->current_caps)) { GST_INFO_OBJECT (eglglessink, "Caps are compatible anyway"); goto SUCCEED; } else { GST_INFO_OBJECT (eglglessink, "Caps %" GST_PTR_FORMAT "Not always compatible with current-caps %" GST_PTR_FORMAT, caps, eglglessink->current_caps); GST_WARNING_OBJECT (eglglessink, "Renegotiation not implemented"); goto HANDLE_ERROR; } } /* OK, got caps and had none. Ask application to give us a window */ if (!eglglessink->have_window) { gst_x_overlay_prepare_xwindow_id (GST_X_OVERLAY (eglglessink)); } g_mutex_lock (eglglessink->flow_lock); GST_VIDEO_SINK_WIDTH (eglglessink) = width; GST_VIDEO_SINK_HEIGHT (eglglessink) = height; if (!eglglessink->have_window) { /* Window creation for no x11/mesa hasn't been implemented yet */ GST_INFO_OBJECT (eglglessink, "No window. Will attempt internal window creation"); if (!(eglglessink->window = gst_eglglessink_create_window (eglglessink, width, height))) { GST_ERROR_OBJECT (eglglessink, "Internal window creation failed!"); goto HANDLE_ERROR_LOCKED; } } eglglessink->have_window = TRUE; eglglessink->current_caps = gst_caps_ref (caps); g_mutex_unlock (eglglessink->flow_lock); if (!gst_eglglessink_init_egl_surface (eglglessink)) { GST_ERROR_OBJECT (eglglessink, "Couldn't init EGL surface from window"); goto HANDLE_ERROR; } gst_eglglessink_init_egl_exts (eglglessink); SUCCEED: GST_INFO_OBJECT (eglglessink, "Setcaps succeed"); return TRUE; /* Errors */ HANDLE_ERROR_LOCKED: g_mutex_unlock (eglglessink->flow_lock); HANDLE_ERROR: GST_ERROR_OBJECT (eglglessink, "Setcaps failed"); return FALSE; } static void gst_eglglessink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstEglGlesSink *eglglessink; g_return_if_fail (GST_IS_EGLGLESSINK (object)); eglglessink = GST_EGLGLESSINK (object); switch (prop_id) { case PROP_SILENT: eglglessink->silent = g_value_get_boolean (value); break; case PROP_CAN_CREATE_WINDOW: eglglessink->can_create_window = g_value_get_boolean (value); break; case PROP_DEFAULT_HEIGHT: eglglessink->window_default_height = g_value_get_int (value); break; case PROP_DEFAULT_WIDTH: eglglessink->window_default_width = g_value_get_int (value); break; case PROP_FORCE_RENDERING_SLOW: eglglessink->force_rendering_slow = g_value_get_boolean (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_eglglessink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstEglGlesSink *eglglessink; g_return_if_fail (GST_IS_EGLGLESSINK (object)); eglglessink = GST_EGLGLESSINK (object); switch (prop_id) { case PROP_SILENT: g_value_set_boolean (value, eglglessink->silent); break; case PROP_CAN_CREATE_WINDOW: g_value_set_boolean (value, eglglessink->can_create_window); break; case PROP_DEFAULT_HEIGHT: g_value_set_int (value, eglglessink->window_default_height); break; case PROP_DEFAULT_WIDTH: g_value_set_int (value, eglglessink->window_default_width); break; case PROP_FORCE_RENDERING_SLOW: g_value_set_boolean (value, eglglessink->force_rendering_slow); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_eglglessink_base_init (gpointer gclass) { GstElementClass *element_class = GST_ELEMENT_CLASS (gclass); gst_element_class_set_details_simple (element_class, "EGL/GLES vout Sink", "Sink/Video", "An EGL/GLES Video Output Sink Implementing the XOverlay interface", "Reynaldo H. Verdejo Pinochet "); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&gst_eglglessink_sink_template_factory)); } /* initialize the eglglessink's class */ static void gst_eglglessink_class_init (GstEglGlesSinkClass * klass) { GObjectClass *gobject_class; GstBaseSinkClass *gstbasesink_class; GstVideoSinkClass *gstvideosink_class; gobject_class = (GObjectClass *) klass; gstbasesink_class = (GstBaseSinkClass *) klass; gstvideosink_class = (GstVideoSinkClass *) klass; gobject_class->set_property = gst_eglglessink_set_property; gobject_class->get_property = gst_eglglessink_get_property; gstbasesink_class->start = gst_eglglessink_start; gstbasesink_class->stop = gst_eglglessink_stop; gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_eglglessink_setcaps); gstbasesink_class->buffer_alloc = GST_DEBUG_FUNCPTR (gst_eglglessink_buffer_alloc); gstvideosink_class->show_frame = GST_DEBUG_FUNCPTR (gst_eglglessink_show_frame); g_object_class_install_property (gobject_class, PROP_SILENT, g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_CAN_CREATE_WINDOW, g_param_spec_boolean ("can_create_window", "CanCreateWindow", "Attempt to create a window?", TRUE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_FORCE_RENDERING_SLOW, g_param_spec_boolean ("force_rendering_slow", "ForceRenderingSlow", "Force slow rendering path?", FALSE, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_DEFAULT_WIDTH, g_param_spec_int ("window_default_width", "DefaultWidth", "Default width for self created windows", 0, EGLGLESSINK_MAX_FRAME_WIDTH, EGLGLESSINK_MAX_FRAME_WIDTH, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_DEFAULT_HEIGHT, g_param_spec_int ("window_default_height", "CanCreateWindow", "Default height for self created windows", 0, EGLGLESSINK_MAX_FRAME_HEIGHT, EGLGLESSINK_MAX_FRAME_HEIGHT, G_PARAM_READWRITE)); } static void gst_eglglessink_init (GstEglGlesSink * eglglessink, GstEglGlesSinkClass * gclass) { /* Init defaults */ eglglessink->have_window = FALSE; eglglessink->have_surface = FALSE; eglglessink->have_vbo = FALSE; eglglessink->have_texture = FALSE; eglglessink->running = FALSE; /* XXX: unused */ eglglessink->can_create_window = TRUE; eglglessink->force_rendering_slow = FALSE; } /* Interface initializations. Used here for initializing the XOverlay * Interface. */ static void gst_eglglessink_init_interfaces (GType type) { static const GInterfaceInfo implements_info = { (GInterfaceInitFunc) gst_eglglessink_implements_init, NULL, NULL }; static const GInterfaceInfo xoverlay_info = { (GInterfaceInitFunc) gst_eglglessink_xoverlay_init, NULL, NULL }; g_type_add_interface_static (type, GST_TYPE_IMPLEMENTS_INTERFACE, &implements_info); g_type_add_interface_static (type, GST_TYPE_X_OVERLAY, &xoverlay_info); } /* entry point to initialize the plug-in * initialize the plug-in itself * register the element factories and other features */ static gboolean eglglessink_plugin_init (GstPlugin * plugin) { /* debug category for fltering log messages */ GST_DEBUG_CATEGORY_INIT (gst_eglglessink_debug, "eglglessink", 0, "Simple EGL/GLES Sink"); return gst_element_register (plugin, "eglglessink", GST_RANK_NONE, GST_TYPE_EGLGLESSINK); } /* PACKAGE: this is usually set by autotools depending on some _INIT macro * in configure.ac and then written into and defined in config.h, but we can * just set it ourselves here in case someone doesn't use autotools to * compile this code. GST_PLUGIN_DEFINE needs PACKAGE to be defined. */ #ifndef PACKAGE #define PACKAGE "EGL/GLES Sink" #endif #ifndef VERSION #define VERSION "0.911" #endif /* gstreamer looks for this structure to register eglglessinks */ GST_PLUGIN_DEFINE2 (GST_VERSION_MAJOR, GST_VERSION_MINOR, eglglessink, "EGL/GLES sink", eglglessink_plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/")