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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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glmemory: implement GstGLBaseMemory::alloc
- Create GstGLVideoAllocationParams which is a GstGLAllocationParams subclass. - Make it possible to allocate glmemory objects directly if no frills are needed.
This commit is contained in:
Matthew Waters
Tim-Philipp Müller
parent
93215927a9
commit
8e79ad3248
2 changed files with 361 additions and 2 deletions
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@ -60,6 +60,8 @@
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#define GL_MEM_HEIGHT(gl_mem) _get_plane_height (&gl_mem->info, gl_mem->plane)
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#define GL_MEM_HEIGHT(gl_mem) _get_plane_height (&gl_mem->info, gl_mem->plane)
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#define GL_MEM_STRIDE(gl_mem) GST_VIDEO_INFO_PLANE_STRIDE (&gl_mem->info, gl_mem->plane)
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#define GL_MEM_STRIDE(gl_mem) GST_VIDEO_INFO_PLANE_STRIDE (&gl_mem->info, gl_mem->plane)
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static GstAllocator *_gl_memory_allocator;
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_GL_MEMORY);
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_GL_MEMORY);
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#define GST_CAT_DEFAULT GST_CAT_GL_MEMORY
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#define GST_CAT_DEFAULT GST_CAT_GL_MEMORY
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@ -75,7 +77,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_GL_MEMORY);
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#define GL_TEXTURE_EXTERNAL_OES 0x8D65
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#define GL_TEXTURE_EXTERNAL_OES 0x8D65
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#endif
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#endif
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G_DEFINE_ABSTRACT_TYPE (GstGLMemoryAllocator, gst_gl_memory_allocator,
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G_DEFINE_TYPE (GstGLMemoryAllocator, gst_gl_memory_allocator,
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GST_TYPE_GL_BASE_MEMORY_ALLOCATOR);
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GST_TYPE_GL_BASE_MEMORY_ALLOCATOR);
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typedef struct
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typedef struct
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@ -661,6 +663,41 @@ _gl_tex_destroy (GstGLMemory * gl_mem)
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gl->DeleteTextures (1, &gl_mem->tex_id);
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gl->DeleteTextures (1, &gl_mem->tex_id);
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}
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}
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static GstGLMemory *
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_default_gl_tex_alloc (GstGLMemoryAllocator * allocator,
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GstGLVideoAllocationParams * params)
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{
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GstGLMemory *mem;
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g_return_val_if_fail (params->parent.
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alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO, NULL);
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mem = g_new0 (GstGLMemory, 1);
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if (params->parent.
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alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE) {
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mem->tex_id = params->parent.gl_handle;
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mem->texture_wrapped = TRUE;
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}
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gst_gl_memory_init (mem, GST_ALLOCATOR_CAST (allocator), NULL,
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params->parent.context, params->target, params->parent.alloc_params,
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params->v_info, params->plane, params->valign, params->parent.notify,
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params->parent.user_data);
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if (params->parent.
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alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE) {
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GST_MINI_OBJECT_FLAG_SET (mem, GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD);
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}
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if (params->parent.
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alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM) {
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mem->mem.data = params->parent.wrapped_data;
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GST_MINI_OBJECT_FLAG_SET (mem, GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD);
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}
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return mem;
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}
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static void
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static void
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gst_gl_memory_allocator_class_init (GstGLMemoryAllocatorClass * klass)
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gst_gl_memory_allocator_class_init (GstGLMemoryAllocatorClass * klass)
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{
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{
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@ -674,6 +711,8 @@ gst_gl_memory_allocator_class_init (GstGLMemoryAllocatorClass * klass)
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klass->unmap = (GstGLBaseMemoryAllocatorUnmapFunction) _default_gl_tex_unmap;
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klass->unmap = (GstGLBaseMemoryAllocatorUnmapFunction) _default_gl_tex_unmap;
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klass->copy = (GstGLBaseMemoryAllocatorCopyFunction) _default_gl_tex_copy;
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klass->copy = (GstGLBaseMemoryAllocatorCopyFunction) _default_gl_tex_copy;
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gl_base->alloc =
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(GstGLBaseMemoryAllocatorAllocFunction) _default_gl_tex_alloc;
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gl_base->create = (GstGLBaseMemoryAllocatorCreateFunction) _gl_tex_create;
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gl_base->create = (GstGLBaseMemoryAllocatorCreateFunction) _gl_tex_create;
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gl_base->map = (GstGLBaseMemoryAllocatorMapFunction) _gl_tex_map;
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gl_base->map = (GstGLBaseMemoryAllocatorMapFunction) _gl_tex_map;
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gl_base->unmap = (GstGLBaseMemoryAllocatorUnmapFunction) _gl_tex_unmap;
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gl_base->unmap = (GstGLBaseMemoryAllocatorUnmapFunction) _gl_tex_unmap;
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@ -794,6 +833,11 @@ gst_gl_memory_init_once (void)
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GST_DEBUG_CATEGORY_INIT (GST_CAT_GL_MEMORY, "glbasetexture", 0,
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GST_DEBUG_CATEGORY_INIT (GST_CAT_GL_MEMORY, "glbasetexture", 0,
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"OpenGL Base Texture Memory");
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"OpenGL Base Texture Memory");
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_gl_memory_allocator = g_object_new (GST_TYPE_GL_MEMORY_ALLOCATOR, NULL);
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gst_allocator_register (GST_GL_MEMORY_ALLOCATOR_NAME, _gl_memory_allocator);
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g_once_init_leave (&_init, 1);
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g_once_init_leave (&_init, 1);
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}
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}
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}
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}
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@ -811,3 +855,253 @@ gst_is_gl_memory (GstMemory * mem)
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&& g_type_is_a (G_OBJECT_TYPE (mem->allocator),
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&& g_type_is_a (G_OBJECT_TYPE (mem->allocator),
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GST_TYPE_GL_MEMORY_ALLOCATOR);
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GST_TYPE_GL_MEMORY_ALLOCATOR);
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}
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}
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static void
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_gst_gl_video_allocation_params_set_video_alignment (GstGLVideoAllocationParams
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* params, GstVideoAlignment * valign)
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{
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g_return_if_fail (params != NULL);
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if (!params->valign)
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params->valign = g_new0 (GstVideoAlignment, 1);
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if (valign) {
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*params->valign = *valign;
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} else {
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gst_video_alignment_reset (params->valign);
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}
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}
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gboolean
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gst_gl_video_allocation_params_init_full (GstGLVideoAllocationParams * params,
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gsize struct_size, guint alloc_flags, GstGLAllocationParamsCopyFunc copy,
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GstGLAllocationParamsFreeFunc free, GstGLContext * context,
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GstAllocationParams * alloc_params, GstVideoInfo * v_info,
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guint plane, GstVideoAlignment * valign, GstGLTextureTarget target,
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gpointer wrapped_data, guint gl_handle, GDestroyNotify notify,
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gpointer user_data)
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{
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guint i;
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g_return_val_if_fail (params != NULL, FALSE);
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g_return_val_if_fail (copy != NULL, FALSE);
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g_return_val_if_fail (free != NULL, FALSE);
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g_return_val_if_fail (GST_IS_GL_CONTEXT (context), FALSE);
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g_return_val_if_fail (v_info != NULL, FALSE);
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memset (params, 0, sizeof (*params));
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if (!gst_gl_allocation_params_init ((GstGLAllocationParams *) params,
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struct_size, alloc_flags, copy, free, context, 0, alloc_params,
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notify, user_data, wrapped_data, gl_handle))
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return FALSE;
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params->v_info = g_new0 (GstVideoInfo, 1);
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*params->v_info = *v_info;
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for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
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params->v_info->offset[i] = v_info->offset[i];
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params->v_info->stride[i] = v_info->stride[i];
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}
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_gst_gl_video_allocation_params_set_video_alignment (params, valign);
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params->target = target;
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params->plane = plane;
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return TRUE;
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}
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/**
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* gst_gl_video_allocation_params_new:
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* @context: a #GstGLContext
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* @alloc_params: (allow-none): the #GstAllocationParams for @wrapped_data
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* @v_info: the #GstVideoInfo for @wrapped_data
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* @plane: the video plane @wrapped_data represents
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* @valign: (allow-none): any #GstVideoAlignment applied to symem mappings of @wrapped_data
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* @target: the #GstGLTextureTarget for @wrapped_data
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*
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* Returns: a new #GstGLVideoAllocationParams for allocating #GstGLMemory's
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*/
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GstGLVideoAllocationParams *
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gst_gl_video_allocation_params_new (GstGLContext * context,
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GstAllocationParams * alloc_params, GstVideoInfo * v_info, guint plane,
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GstVideoAlignment * valign, GstGLTextureTarget target)
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{
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GstGLVideoAllocationParams *params = g_new0 (GstGLVideoAllocationParams, 1);
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if (!gst_gl_video_allocation_params_init_full (params,
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sizeof (GstGLVideoAllocationParams),
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_ALLOC |
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO,
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(GstGLAllocationParamsCopyFunc)
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gst_gl_video_allocation_params_copy_data,
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(GstGLAllocationParamsFreeFunc)
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gst_gl_video_allocation_params_free_data, context, alloc_params,
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v_info, plane, valign, target, NULL, 0, NULL, NULL)) {
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g_free (params);
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return NULL;
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}
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return params;
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}
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/**
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* gst_gl_video_allocation_params_new_wrapped_data:
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* @context: a #GstGLContext
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* @alloc_params: (allow-none): the #GstAllocationParams for @wrapped_data
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* @v_info: the #GstVideoInfo for @wrapped_data
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* @plane: the video plane @wrapped_data represents
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* @valign: (allow-none): any #GstVideoAlignment applied to symem mappings of @wrapped_data
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* @target: the #GstGLTextureTarget for @wrapped_data
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* @wrapped_data: the data pointer to wrap
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* @notify: (allow-none): a #GDestroyNotify
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* @user_data: (allow-none): user data to call @notify with
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*
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* Returns: a new #GstGLVideoAllocationParams for wrapping @wrapped_data
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*/
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GstGLVideoAllocationParams *
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gst_gl_video_allocation_params_new_wrapped_data (GstGLContext * context,
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GstAllocationParams * alloc_params, GstVideoInfo * v_info, guint plane,
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GstVideoAlignment * valign, GstGLTextureTarget target,
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gpointer wrapped_data, GDestroyNotify notify, gpointer user_data)
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{
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GstGLVideoAllocationParams *params = g_new0 (GstGLVideoAllocationParams, 1);
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if (!gst_gl_video_allocation_params_init_full (params,
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sizeof (GstGLVideoAllocationParams),
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM |
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO,
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(GstGLAllocationParamsCopyFunc)
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gst_gl_video_allocation_params_copy_data,
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(GstGLAllocationParamsFreeFunc)
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gst_gl_video_allocation_params_free_data, context, alloc_params,
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v_info, plane, valign, target, wrapped_data, 0, notify, user_data)) {
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g_free (params);
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return NULL;
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}
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return params;
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}
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/**
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* gst_gl_video_allocation_params_new_wrapped_texture:
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* @context: a #GstGLContext
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* @alloc_params: (allow-none): the #GstAllocationParams for @tex_id
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* @v_info: the #GstVideoInfo for @tex_id
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* @plane: the video plane @tex_id represents
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* @valign: (allow-none): any #GstVideoAlignment applied to symem mappings of @tex_id
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* @target: the #GstGLTextureTarget for @tex_id
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* @tex_id: the GL texture to wrap
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* @notify: (allow-none): a #GDestroyNotify
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* @user_data: (allow-none): user data to call @notify with
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*
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* Returns: a new #GstGLVideoAllocationParams for wrapping @tex_id
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*/
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GstGLVideoAllocationParams *
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gst_gl_video_allocation_params_new_wrapped_texture (GstGLContext * context,
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GstAllocationParams * alloc_params, GstVideoInfo * v_info, guint plane,
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GstVideoAlignment * valign, GstGLTextureTarget target,
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guint tex_id, GDestroyNotify notify, gpointer user_data)
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{
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GstGLVideoAllocationParams *params = g_new0 (GstGLVideoAllocationParams, 1);
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if (!gst_gl_video_allocation_params_init_full (params,
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sizeof (GstGLVideoAllocationParams),
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE |
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO,
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(GstGLAllocationParamsCopyFunc)
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gst_gl_video_allocation_params_copy_data,
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(GstGLAllocationParamsFreeFunc)
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gst_gl_video_allocation_params_free_data, context, alloc_params,
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v_info, plane, valign, target, NULL, tex_id, notify, user_data)) {
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g_free (params);
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return NULL;
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}
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return params;
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}
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void
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gst_gl_video_allocation_params_free_data (GstGLVideoAllocationParams * params)
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{
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g_free (params->v_info);
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g_free (params->valign);
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gst_gl_allocation_params_free_data (¶ms->parent);
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}
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void
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gst_gl_video_allocation_params_copy_data (GstGLVideoAllocationParams * src_vid,
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GstGLVideoAllocationParams * dest_vid)
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{
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GstGLAllocationParams *src = (GstGLAllocationParams *) src_vid;
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GstGLAllocationParams *dest = (GstGLAllocationParams *) dest_vid;
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guint i;
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gst_gl_allocation_params_copy_data (src, dest);
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dest_vid->v_info = g_new0 (GstVideoInfo, 1);
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*dest_vid->v_info = *src_vid->v_info;
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for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
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dest_vid->v_info->offset[i] = src_vid->v_info->offset[i];
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dest_vid->v_info->stride[i] = src_vid->v_info->stride[i];
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}
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_gst_gl_video_allocation_params_set_video_alignment (dest_vid,
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src_vid->valign);
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dest_vid->target = src_vid->target;
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dest_vid->plane = src_vid->plane;
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}
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/**
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* gst_gl_memory_setup_buffer:
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* @allocator: the @GstGLMemoryAllocator to allocate from
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* @buffer: a #GstBuffer to setup
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* @params: the #GstGLVideoAllocationParams to allocate with
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*
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* Returns: whether the buffer was correctly setup
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*/
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gboolean
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gst_gl_memory_setup_buffer (GstGLMemoryAllocator * allocator,
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GstBuffer * buffer, GstGLVideoAllocationParams * params)
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{
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GstGLBaseMemoryAllocator *base_allocator;
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guint n_mem, i, v, views;
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g_return_val_if_fail (params != NULL, FALSE);
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g_return_val_if_fail ((params->parent.
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alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM)
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== 0, FALSE);
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g_return_val_if_fail ((params->parent.alloc_flags &
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE) == 0, FALSE);
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g_return_val_if_fail (params->parent.
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alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO, FALSE);
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base_allocator = GST_GL_BASE_MEMORY_ALLOCATOR (allocator);
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n_mem = GST_VIDEO_INFO_N_PLANES (params->v_info);
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if (GST_VIDEO_INFO_MULTIVIEW_MODE (params->v_info) ==
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GST_VIDEO_MULTIVIEW_MODE_SEPARATED)
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||||||
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views = params->v_info->views;
|
||||||
|
else
|
||||||
|
views = 1;
|
||||||
|
|
||||||
|
for (v = 0; v < views; v++) {
|
||||||
|
for (i = 0; i < n_mem; i++) {
|
||||||
|
GstGLMemory *gl_mem;
|
||||||
|
|
||||||
|
params->plane = i;
|
||||||
|
|
||||||
|
if (!(gl_mem = (GstGLMemory *) gst_gl_base_memory_alloc (base_allocator,
|
||||||
|
(GstGLAllocationParams *) params)))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
gst_buffer_append_memory (buffer, (GstMemory *) gl_mem);
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_buffer_add_video_meta_full (buffer, v,
|
||||||
|
GST_VIDEO_INFO_FORMAT (params->v_info),
|
||||||
|
GST_VIDEO_INFO_WIDTH (params->v_info),
|
||||||
|
GST_VIDEO_INFO_HEIGHT (params->v_info), n_mem, params->v_info->offset,
|
||||||
|
params->v_info->stride);
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
|
||||||
|
|
@ -80,6 +80,67 @@ struct _GstGLMemory
|
||||||
guint tex_width;
|
guint tex_width;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
typedef struct _GstGLVideoAllocationParams GstGLVideoAllocationParams;
|
||||||
|
|
||||||
|
#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO (1 << 3)
|
||||||
|
|
||||||
|
struct _GstGLVideoAllocationParams
|
||||||
|
{
|
||||||
|
GstGLAllocationParams parent;
|
||||||
|
|
||||||
|
GstVideoInfo *v_info;
|
||||||
|
guint plane;
|
||||||
|
GstVideoAlignment *valign;
|
||||||
|
GstGLTextureTarget target;
|
||||||
|
};
|
||||||
|
|
||||||
|
gboolean gst_gl_video_allocation_params_init_full (GstGLVideoAllocationParams * params,
|
||||||
|
gsize struct_size,
|
||||||
|
guint alloc_flags,
|
||||||
|
GstGLAllocationParamsCopyFunc copy,
|
||||||
|
GstGLAllocationParamsFreeFunc free,
|
||||||
|
GstGLContext * context,
|
||||||
|
GstAllocationParams * alloc_params,
|
||||||
|
GstVideoInfo * v_info,
|
||||||
|
guint plane,
|
||||||
|
GstVideoAlignment * valign,
|
||||||
|
GstGLTextureTarget target,
|
||||||
|
gpointer wrapped_data,
|
||||||
|
guint gl_handle,
|
||||||
|
GDestroyNotify notify,
|
||||||
|
gpointer user_data);
|
||||||
|
GstGLVideoAllocationParams * gst_gl_video_allocation_params_new (GstGLContext * context,
|
||||||
|
GstAllocationParams * alloc_params,
|
||||||
|
GstVideoInfo * v_info,
|
||||||
|
guint plane,
|
||||||
|
GstVideoAlignment * valign,
|
||||||
|
GstGLTextureTarget target);
|
||||||
|
GstGLVideoAllocationParams * gst_gl_video_allocation_params_new_wrapped_data (GstGLContext * context,
|
||||||
|
GstAllocationParams * alloc_params,
|
||||||
|
GstVideoInfo * v_info,
|
||||||
|
guint plane,
|
||||||
|
GstVideoAlignment * valign,
|
||||||
|
GstGLTextureTarget target,
|
||||||
|
gpointer wrapped_data,
|
||||||
|
GDestroyNotify notify,
|
||||||
|
gpointer user_data);
|
||||||
|
|
||||||
|
GstGLVideoAllocationParams * gst_gl_video_allocation_params_new_wrapped_texture (GstGLContext * context,
|
||||||
|
GstAllocationParams * alloc_params,
|
||||||
|
GstVideoInfo * v_info,
|
||||||
|
guint plane,
|
||||||
|
GstVideoAlignment * valign,
|
||||||
|
GstGLTextureTarget target,
|
||||||
|
guint tex_id,
|
||||||
|
GDestroyNotify notify,
|
||||||
|
gpointer user_data);
|
||||||
|
|
||||||
|
/* subclass usage */
|
||||||
|
void gst_gl_video_allocation_params_free_data (GstGLVideoAllocationParams * params);
|
||||||
|
/* subclass usage */
|
||||||
|
void gst_gl_video_allocation_params_copy_data (GstGLVideoAllocationParams * src,
|
||||||
|
GstGLVideoAllocationParams * dest);
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* GstGLMemoryAllocator
|
* GstGLMemoryAllocator
|
||||||
*
|
*
|
||||||
|
|
@ -151,6 +212,10 @@ GstVideoGLTextureType gst_gl_memory_get_texture_type (GstGLMemory * gl_me
|
||||||
GstGLTextureTarget gst_gl_memory_get_texture_target (GstGLMemory * gl_mem);
|
GstGLTextureTarget gst_gl_memory_get_texture_target (GstGLMemory * gl_mem);
|
||||||
guint gst_gl_memory_get_texture_id (GstGLMemory * gl_mem);
|
guint gst_gl_memory_get_texture_id (GstGLMemory * gl_mem);
|
||||||
|
|
||||||
|
gboolean gst_gl_memory_setup_buffer (GstGLMemoryAllocator * allocator,
|
||||||
|
GstBuffer * buffer,
|
||||||
|
GstGLVideoAllocationParams * params);
|
||||||
|
|
||||||
G_END_DECLS
|
G_END_DECLS
|
||||||
|
|
||||||
#endif /* _GST_GL_MEMORY_H_ */
|
#endif /* _GST_GL_MEMORY_H_ */
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue