diff options
Diffstat (limited to 'gst-libs/gst/egl/egl.c')
| -rw-r--r-- | gst-libs/gst/egl/egl.c | 624 |
1 files changed, 0 insertions, 624 deletions
diff --git a/gst-libs/gst/egl/egl.c b/gst-libs/gst/egl/egl.c deleted file mode 100644 index 26268a300..000000000 --- a/gst-libs/gst/egl/egl.c +++ /dev/null @@ -1,624 +0,0 @@ -/* - * GStreamer EGL Library - * Copyright (C) 2012 Collabora Ltd. - * @author: Sebastian Dröge <sebastian.droege@collabora.co.uk> - * * - * 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., 51 Franklin St, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - - -#if defined (USE_EGL_RPI) && defined(__GNUC__) -#ifndef __VCCOREVER__ -#define __VCCOREVER__ 0x04000000 -#endif - -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wredundant-decls" -#pragma GCC optimize ("gnu89-inline") -#endif - -#define EGL_EGLEXT_PROTOTYPES - -#include <gst/egl/egl.h> -#include <string.h> - -#if defined (USE_EGL_RPI) && defined(__GNUC__) -#pragma GCC reset_options -#pragma GCC diagnostic pop -#endif - -typedef struct -{ - GstMemory parent; - - GstEGLDisplay *display; - EGLImageKHR image; - GstVideoGLTextureType type; - GstVideoGLTextureOrientation orientation; - - gpointer user_data; - GDestroyNotify user_data_destroy; -} GstEGLImageMemory; - -#define GST_EGL_IMAGE_MEMORY(mem) ((GstEGLImageMemory*)(mem)) - -gboolean -gst_egl_image_memory_is_mappable (void) -{ - return FALSE; -} - -gboolean -gst_is_egl_image_memory (GstMemory * mem) -{ - g_return_val_if_fail (mem != NULL, FALSE); - g_return_val_if_fail (mem->allocator != NULL, FALSE); - - return g_strcmp0 (mem->allocator->mem_type, GST_EGL_IMAGE_MEMORY_TYPE) == 0; -} - -EGLImageKHR -gst_egl_image_memory_get_image (GstMemory * mem) -{ - g_return_val_if_fail (gst_is_egl_image_memory (mem), EGL_NO_IMAGE_KHR); - - if (mem->parent) - mem = mem->parent; - - return GST_EGL_IMAGE_MEMORY (mem)->image; -} - -GstEGLDisplay * -gst_egl_image_memory_get_display (GstMemory * mem) -{ - g_return_val_if_fail (gst_is_egl_image_memory (mem), NULL); - - if (mem->parent) - mem = mem->parent; - - return gst_egl_display_ref (GST_EGL_IMAGE_MEMORY (mem)->display); -} - -GstVideoGLTextureType -gst_egl_image_memory_get_type (GstMemory * mem) -{ - g_return_val_if_fail (gst_is_egl_image_memory (mem), -1); - - if (mem->parent) - mem = mem->parent; - - return GST_EGL_IMAGE_MEMORY (mem)->type; -} - -GstVideoGLTextureOrientation -gst_egl_image_memory_get_orientation (GstMemory * mem) -{ - g_return_val_if_fail (gst_is_egl_image_memory (mem), - GST_VIDEO_GL_TEXTURE_ORIENTATION_X_NORMAL_Y_NORMAL); - - if (mem->parent) - mem = mem->parent; - - return GST_EGL_IMAGE_MEMORY (mem)->orientation; -} - -void -gst_egl_image_memory_set_orientation (GstMemory * mem, - GstVideoGLTextureOrientation orientation) -{ - g_return_if_fail (gst_is_egl_image_memory (mem)); - - if (mem->parent) - mem = mem->parent; - - GST_EGL_IMAGE_MEMORY (mem)->orientation = orientation; -} - -static GstMemory * -gst_egl_image_allocator_alloc_vfunc (GstAllocator * allocator, gsize size, - GstAllocationParams * params) -{ - g_warning - ("Use gst_egl_image_allocator_alloc() to allocate from this allocator"); - - return NULL; -} - -static void -gst_egl_image_allocator_free_vfunc (GstAllocator * allocator, GstMemory * mem) -{ - GstEGLImageMemory *emem = (GstEGLImageMemory *) mem; - EGLDisplay display; - - g_return_if_fail (gst_is_egl_image_memory (mem)); - - /* Shared memory should not destroy all the data */ - if (!mem->parent) { - display = gst_egl_display_get (emem->display); - eglDestroyImageKHR (display, emem->image); - - if (emem->user_data_destroy) - emem->user_data_destroy (emem->user_data); - - gst_egl_display_unref (emem->display); - } - - g_slice_free (GstEGLImageMemory, emem); -} - -static gpointer -gst_egl_image_mem_map (GstMemory * mem, gsize maxsize, GstMapFlags flags) -{ - return NULL; -} - -static void -gst_egl_image_mem_unmap (GstMemory * mem) -{ -} - -static GstMemory * -gst_egl_image_mem_share (GstMemory * mem, gssize offset, gssize size) -{ - GstMemory *sub; - GstMemory *parent; - - if (offset != 0) - return NULL; - - if (size != -1 && size != mem->size) - return NULL; - - /* find the real parent */ - if ((parent = mem->parent) == NULL) - parent = (GstMemory *) mem; - - if (size == -1) - size = mem->size - offset; - - sub = (GstMemory *) g_slice_new (GstEGLImageMemory); - - /* the shared memory is always readonly */ - gst_memory_init (GST_MEMORY_CAST (sub), GST_MINI_OBJECT_FLAGS (parent) | - GST_MINI_OBJECT_FLAG_LOCK_READONLY, mem->allocator, parent, - mem->maxsize, mem->align, mem->offset + offset, size); - - return sub; -} - -static GstMemory * -gst_egl_image_mem_copy (GstMemory * mem, gssize offset, gssize size) -{ - return NULL; -} - -static gboolean -gst_egl_image_mem_is_span (GstMemory * mem1, GstMemory * mem2, gsize * offset) -{ - return FALSE; -} - -typedef GstAllocator GstEGLImageAllocator; -typedef GstAllocatorClass GstEGLImageAllocatorClass; - -GType gst_egl_image_allocator_get_type (void); -G_DEFINE_TYPE (GstEGLImageAllocator, gst_egl_image_allocator, - GST_TYPE_ALLOCATOR); - -#define GST_TYPE_EGL_IMAGE_ALLOCATOR (gst_egl_image_mem_allocator_get_type()) -#define GST_IS_EGL_IMAGE_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_EGL_IMAGE_ALLOCATOR)) - -static void -gst_egl_image_allocator_class_init (GstEGLImageAllocatorClass * klass) -{ - GstAllocatorClass *allocator_class = (GstAllocatorClass *) klass; - - allocator_class->alloc = gst_egl_image_allocator_alloc_vfunc; - allocator_class->free = gst_egl_image_allocator_free_vfunc; -} - -static void -gst_egl_image_allocator_init (GstEGLImageAllocator * allocator) -{ - GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator); - - alloc->mem_type = GST_EGL_IMAGE_MEMORY_TYPE; - alloc->mem_map = gst_egl_image_mem_map; - alloc->mem_unmap = gst_egl_image_mem_unmap; - alloc->mem_share = gst_egl_image_mem_share; - alloc->mem_copy = gst_egl_image_mem_copy; - alloc->mem_is_span = gst_egl_image_mem_is_span; - - GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC); -} - -static gpointer -gst_egl_image_allocator_init_instance (gpointer data) -{ - return g_object_new (gst_egl_image_allocator_get_type (), NULL); -} - -GstAllocator * -gst_egl_image_allocator_obtain (void) -{ - static GOnce once = G_ONCE_INIT; - - g_once (&once, gst_egl_image_allocator_init_instance, NULL); - - g_return_val_if_fail (once.retval != NULL, NULL); - - return GST_ALLOCATOR (g_object_ref (once.retval)); -} - -GstMemory * -gst_egl_image_allocator_alloc (GstAllocator * allocator, - GstEGLDisplay * display, GstVideoGLTextureType type, gint width, - gint height, gsize * size) -{ - return NULL; -} - -GstMemory * -gst_egl_image_allocator_wrap (GstAllocator * allocator, - GstEGLDisplay * display, EGLImageKHR image, GstVideoGLTextureType type, - GstMemoryFlags flags, gsize size, gpointer user_data, - GDestroyNotify user_data_destroy) -{ - GstEGLImageMemory *mem; - - g_return_val_if_fail (display != NULL, NULL); - g_return_val_if_fail (image != EGL_NO_IMAGE_KHR, NULL); - - if (!allocator) { - allocator = gst_egl_image_allocator_obtain (); - } - - mem = g_slice_new (GstEGLImageMemory); - gst_memory_init (GST_MEMORY_CAST (mem), flags, - allocator, NULL, size, 0, 0, size); - - mem->display = gst_egl_display_ref (display); - mem->image = image; - mem->type = type; - mem->orientation = GST_VIDEO_GL_TEXTURE_ORIENTATION_X_NORMAL_Y_NORMAL; - - mem->user_data = user_data; - mem->user_data_destroy = user_data_destroy; - - return GST_MEMORY_CAST (mem); -} - -GstContext * -gst_context_new_egl_display (GstEGLDisplay * display, gboolean persistent) -{ - GstContext *context; - GstStructure *s; - - context = gst_context_new (GST_EGL_DISPLAY_CONTEXT_TYPE, persistent); - s = gst_context_writable_structure (context); - gst_structure_set (s, "display", GST_TYPE_EGL_DISPLAY, display, NULL); - - return context; -} - -gboolean -gst_context_get_egl_display (GstContext * context, GstEGLDisplay ** display) -{ - const GstStructure *s; - - g_return_val_if_fail (GST_IS_CONTEXT (context), FALSE); - g_return_val_if_fail (strcmp (gst_context_get_context_type (context), - GST_EGL_DISPLAY_CONTEXT_TYPE) == 0, FALSE); - - s = gst_context_get_structure (context); - return gst_structure_get (s, "display", GST_TYPE_EGL_DISPLAY, display, NULL); -} - -struct _GstEGLDisplay -{ - EGLDisplay display; - volatile gint refcount; - GDestroyNotify destroy_notify; -}; - -GstEGLDisplay * -gst_egl_display_new (EGLDisplay display, GDestroyNotify destroy_notify) -{ - GstEGLDisplay *gdisplay; - - gdisplay = g_slice_new (GstEGLDisplay); - gdisplay->display = display; - gdisplay->refcount = 1; - gdisplay->destroy_notify = destroy_notify; - - return gdisplay; -} - -GstEGLDisplay * -gst_egl_display_ref (GstEGLDisplay * display) -{ - g_return_val_if_fail (display != NULL, NULL); - - g_atomic_int_inc (&display->refcount); - - return display; -} - -void -gst_egl_display_unref (GstEGLDisplay * display) -{ - g_return_if_fail (display != NULL); - - if (g_atomic_int_dec_and_test (&display->refcount)) { - if (display->destroy_notify) - display->destroy_notify (display->display); - g_slice_free (GstEGLDisplay, display); - } -} - -EGLDisplay -gst_egl_display_get (GstEGLDisplay * display) -{ - g_return_val_if_fail (display != NULL, EGL_NO_DISPLAY); - - return display->display; -} - -G_DEFINE_BOXED_TYPE (GstEGLDisplay, gst_egl_display, - (GBoxedCopyFunc) gst_egl_display_ref, - (GBoxedFreeFunc) gst_egl_display_unref); - - -struct _GstEGLImageBufferPoolPrivate -{ - GstAllocator *allocator; - GstAllocationParams params; - GstVideoInfo info; - gboolean add_metavideo; - gboolean want_eglimage; - GstBuffer *last_buffer; - GstEGLImageBufferPoolSendBlockingAllocate send_blocking_allocate_func; - gpointer send_blocking_allocate_data; - GDestroyNotify send_blocking_allocate_destroy; -}; - -G_DEFINE_TYPE (GstEGLImageBufferPool, gst_egl_image_buffer_pool, - GST_TYPE_VIDEO_BUFFER_POOL); - -GstBufferPool * -gst_egl_image_buffer_pool_new (GstEGLImageBufferPoolSendBlockingAllocate - blocking_allocate_func, gpointer blocking_allocate_data, - GDestroyNotify destroy_func) -{ - GstEGLImageBufferPool *pool = - g_object_new (GST_TYPE_EGL_IMAGE_BUFFER_POOL, NULL); - GstEGLImageBufferPoolPrivate *priv = - G_TYPE_INSTANCE_GET_PRIVATE (pool, GST_TYPE_EGL_IMAGE_BUFFER_POOL, - GstEGLImageBufferPoolPrivate); - - pool->priv = priv; - - priv->allocator = NULL; - priv->last_buffer = NULL; - priv->send_blocking_allocate_func = blocking_allocate_func; - priv->send_blocking_allocate_data = blocking_allocate_data; - priv->send_blocking_allocate_destroy = destroy_func; - - return (GstBufferPool *) pool; -} - -void -gst_egl_image_buffer_pool_replace_last_buffer (GstEGLImageBufferPool * pool, - GstBuffer * buffer) -{ - g_return_if_fail (pool != NULL); - - gst_buffer_replace (&pool->priv->last_buffer, buffer); -} - -static const gchar ** -gst_egl_image_buffer_pool_get_options (GstBufferPool * bpool) -{ - static const gchar *options[] = { GST_BUFFER_POOL_OPTION_VIDEO_META, NULL - }; - - return options; -} - -static gboolean -gst_egl_image_buffer_pool_set_config (GstBufferPool * bpool, - GstStructure * config) -{ - GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool); - GstEGLImageBufferPoolPrivate *priv = pool->priv; - GstCaps *caps; - GstVideoInfo info; - - if (priv->allocator) - gst_object_unref (priv->allocator); - priv->allocator = NULL; - - if (!GST_BUFFER_POOL_CLASS - (gst_egl_image_buffer_pool_parent_class)->set_config (bpool, config)) - return FALSE; - - if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL) - || !caps) - return FALSE; - - if (!gst_video_info_from_caps (&info, caps)) - return FALSE; - - if (!gst_buffer_pool_config_get_allocator (config, &priv->allocator, - &priv->params)) - return FALSE; - if (priv->allocator) - gst_object_ref (priv->allocator); - - priv->add_metavideo = - gst_buffer_pool_config_has_option (config, - GST_BUFFER_POOL_OPTION_VIDEO_META); - - priv->want_eglimage = (priv->allocator - && g_strcmp0 (priv->allocator->mem_type, GST_EGL_IMAGE_MEMORY_TYPE) == 0); - - priv->info = info; - - return TRUE; -} - -static GstFlowReturn -gst_egl_image_buffer_pool_alloc_buffer (GstBufferPool * bpool, - GstBuffer ** buffer, GstBufferPoolAcquireParams * params) -{ - GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool); - GstEGLImageBufferPoolPrivate *priv = pool->priv; - - *buffer = NULL; - - if (!priv->add_metavideo || !priv->want_eglimage) - return - GST_BUFFER_POOL_CLASS - (gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool, - buffer, params); - - if (!priv->allocator) - return GST_FLOW_NOT_NEGOTIATED; - - switch (priv->info.finfo->format) { - case GST_VIDEO_FORMAT_RGB: - case GST_VIDEO_FORMAT_BGR: - case GST_VIDEO_FORMAT_RGB16: - case GST_VIDEO_FORMAT_NV12: - case GST_VIDEO_FORMAT_NV21: - case GST_VIDEO_FORMAT_RGBA: - case GST_VIDEO_FORMAT_BGRA: - case GST_VIDEO_FORMAT_ARGB: - case GST_VIDEO_FORMAT_ABGR: - case GST_VIDEO_FORMAT_RGBx: - case GST_VIDEO_FORMAT_BGRx: - case GST_VIDEO_FORMAT_xRGB: - case GST_VIDEO_FORMAT_xBGR: - case GST_VIDEO_FORMAT_AYUV: - case GST_VIDEO_FORMAT_YV12: - case GST_VIDEO_FORMAT_I420: - case GST_VIDEO_FORMAT_Y444: - case GST_VIDEO_FORMAT_Y42B: - case GST_VIDEO_FORMAT_Y41B:{ - - if (priv->send_blocking_allocate_func) - *buffer = priv->send_blocking_allocate_func (bpool, - priv->send_blocking_allocate_data); - - if (!*buffer) { - GST_WARNING ("Fallback memory allocation"); - return - GST_BUFFER_POOL_CLASS - (gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool, - buffer, params); - } - - return GST_FLOW_OK; - break; - } - default: - return - GST_BUFFER_POOL_CLASS - (gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool, - buffer, params); - break; - } - - return GST_FLOW_ERROR; -} - -static GstFlowReturn -gst_egl_image_buffer_pool_acquire_buffer (GstBufferPool * bpool, - GstBuffer ** buffer, GstBufferPoolAcquireParams * params) -{ - GstFlowReturn ret; - GstEGLImageBufferPool *pool; - - ret = - GST_BUFFER_POOL_CLASS - (gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool, - buffer, params); - if (ret != GST_FLOW_OK || !*buffer) - return ret; - - pool = GST_EGL_IMAGE_BUFFER_POOL (bpool); - - /* XXX: Don't return the memory we just rendered, glEGLImageTargetTexture2DOES() - * keeps the EGLImage unmappable until the next one is uploaded - */ - if (*buffer && *buffer == pool->priv->last_buffer) { - GstBuffer *oldbuf = *buffer; - - ret = - GST_BUFFER_POOL_CLASS - (gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool, - buffer, params); - gst_object_replace ((GstObject **) & oldbuf->pool, (GstObject *) pool); - gst_buffer_unref (oldbuf); - } - - return ret; -} - -static void -gst_egl_image_buffer_pool_finalize (GObject * object) -{ - GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (object); - GstEGLImageBufferPoolPrivate *priv = pool->priv; - - if (priv->allocator) - gst_object_unref (priv->allocator); - priv->allocator = NULL; - - gst_egl_image_buffer_pool_replace_last_buffer (pool, NULL); - - if (priv->send_blocking_allocate_destroy) - priv->send_blocking_allocate_destroy (priv->send_blocking_allocate_data); - priv->send_blocking_allocate_destroy = NULL; - priv->send_blocking_allocate_data = NULL; - - G_OBJECT_CLASS (gst_egl_image_buffer_pool_parent_class)->finalize (object); -} - -static void -gst_egl_image_buffer_pool_class_init (GstEGLImageBufferPoolClass * klass) -{ - GObjectClass *gobject_class = (GObjectClass *) klass; - GstBufferPoolClass *gstbufferpool_class = (GstBufferPoolClass *) klass; - - g_type_class_add_private (klass, sizeof (GstEGLImageBufferPoolPrivate)); - - gobject_class->finalize = gst_egl_image_buffer_pool_finalize; - gstbufferpool_class->get_options = gst_egl_image_buffer_pool_get_options; - gstbufferpool_class->set_config = gst_egl_image_buffer_pool_set_config; - gstbufferpool_class->alloc_buffer = gst_egl_image_buffer_pool_alloc_buffer; - gstbufferpool_class->acquire_buffer = - gst_egl_image_buffer_pool_acquire_buffer; -} - -static void -gst_egl_image_buffer_pool_init (GstEGLImageBufferPool * pool) -{ -} |