mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 12:11:13 +00:00
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
|
|
@ -60,6 +60,8 @@
|
|||
#define GL_MEM_HEIGHT(gl_mem) _get_plane_height (&gl_mem->info, gl_mem->plane)
|
||||
#define GL_MEM_STRIDE(gl_mem) GST_VIDEO_INFO_PLANE_STRIDE (&gl_mem->info, gl_mem->plane)
|
||||
|
||||
static GstAllocator *_gl_memory_allocator;
|
||||
|
||||
GST_DEBUG_CATEGORY_STATIC (GST_CAT_GL_MEMORY);
|
||||
#define GST_CAT_DEFAULT GST_CAT_GL_MEMORY
|
||||
|
||||
|
|
@ -75,7 +77,7 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_GL_MEMORY);
|
|||
#define GL_TEXTURE_EXTERNAL_OES 0x8D65
|
||||
#endif
|
||||
|
||||
G_DEFINE_ABSTRACT_TYPE (GstGLMemoryAllocator, gst_gl_memory_allocator,
|
||||
G_DEFINE_TYPE (GstGLMemoryAllocator, gst_gl_memory_allocator,
|
||||
GST_TYPE_GL_BASE_MEMORY_ALLOCATOR);
|
||||
|
||||
typedef struct
|
||||
|
|
@ -661,6 +663,41 @@ _gl_tex_destroy (GstGLMemory * gl_mem)
|
|||
gl->DeleteTextures (1, &gl_mem->tex_id);
|
||||
}
|
||||
|
||||
static GstGLMemory *
|
||||
_default_gl_tex_alloc (GstGLMemoryAllocator * allocator,
|
||||
GstGLVideoAllocationParams * params)
|
||||
{
|
||||
GstGLMemory *mem;
|
||||
|
||||
g_return_val_if_fail (params->parent.
|
||||
alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO, NULL);
|
||||
|
||||
mem = g_new0 (GstGLMemory, 1);
|
||||
|
||||
if (params->parent.
|
||||
alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE) {
|
||||
mem->tex_id = params->parent.gl_handle;
|
||||
mem->texture_wrapped = TRUE;
|
||||
}
|
||||
|
||||
gst_gl_memory_init (mem, GST_ALLOCATOR_CAST (allocator), NULL,
|
||||
params->parent.context, params->target, params->parent.alloc_params,
|
||||
params->v_info, params->plane, params->valign, params->parent.notify,
|
||||
params->parent.user_data);
|
||||
|
||||
if (params->parent.
|
||||
alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE) {
|
||||
GST_MINI_OBJECT_FLAG_SET (mem, GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD);
|
||||
}
|
||||
if (params->parent.
|
||||
alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM) {
|
||||
mem->mem.data = params->parent.wrapped_data;
|
||||
GST_MINI_OBJECT_FLAG_SET (mem, GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD);
|
||||
}
|
||||
|
||||
return mem;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_memory_allocator_class_init (GstGLMemoryAllocatorClass * klass)
|
||||
{
|
||||
|
|
@ -674,6 +711,8 @@ gst_gl_memory_allocator_class_init (GstGLMemoryAllocatorClass * klass)
|
|||
klass->unmap = (GstGLBaseMemoryAllocatorUnmapFunction) _default_gl_tex_unmap;
|
||||
klass->copy = (GstGLBaseMemoryAllocatorCopyFunction) _default_gl_tex_copy;
|
||||
|
||||
gl_base->alloc =
|
||||
(GstGLBaseMemoryAllocatorAllocFunction) _default_gl_tex_alloc;
|
||||
gl_base->create = (GstGLBaseMemoryAllocatorCreateFunction) _gl_tex_create;
|
||||
gl_base->map = (GstGLBaseMemoryAllocatorMapFunction) _gl_tex_map;
|
||||
gl_base->unmap = (GstGLBaseMemoryAllocatorUnmapFunction) _gl_tex_unmap;
|
||||
|
|
@ -794,6 +833,11 @@ gst_gl_memory_init_once (void)
|
|||
|
||||
GST_DEBUG_CATEGORY_INIT (GST_CAT_GL_MEMORY, "glbasetexture", 0,
|
||||
"OpenGL Base Texture Memory");
|
||||
|
||||
_gl_memory_allocator = g_object_new (GST_TYPE_GL_MEMORY_ALLOCATOR, NULL);
|
||||
|
||||
gst_allocator_register (GST_GL_MEMORY_ALLOCATOR_NAME, _gl_memory_allocator);
|
||||
|
||||
g_once_init_leave (&_init, 1);
|
||||
}
|
||||
}
|
||||
|
|
@ -811,3 +855,253 @@ gst_is_gl_memory (GstMemory * mem)
|
|||
&& g_type_is_a (G_OBJECT_TYPE (mem->allocator),
|
||||
GST_TYPE_GL_MEMORY_ALLOCATOR);
|
||||
}
|
||||
|
||||
static void
|
||||
_gst_gl_video_allocation_params_set_video_alignment (GstGLVideoAllocationParams
|
||||
* params, GstVideoAlignment * valign)
|
||||
{
|
||||
g_return_if_fail (params != NULL);
|
||||
|
||||
if (!params->valign)
|
||||
params->valign = g_new0 (GstVideoAlignment, 1);
|
||||
|
||||
if (valign) {
|
||||
*params->valign = *valign;
|
||||
} else {
|
||||
gst_video_alignment_reset (params->valign);
|
||||
}
|
||||
}
|
||||
|
||||
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)
|
||||
{
|
||||
guint i;
|
||||
|
||||
g_return_val_if_fail (params != NULL, FALSE);
|
||||
g_return_val_if_fail (copy != NULL, FALSE);
|
||||
g_return_val_if_fail (free != NULL, FALSE);
|
||||
g_return_val_if_fail (GST_IS_GL_CONTEXT (context), FALSE);
|
||||
g_return_val_if_fail (v_info != NULL, FALSE);
|
||||
|
||||
memset (params, 0, sizeof (*params));
|
||||
|
||||
if (!gst_gl_allocation_params_init ((GstGLAllocationParams *) params,
|
||||
struct_size, alloc_flags, copy, free, context, 0, alloc_params,
|
||||
notify, user_data, wrapped_data, gl_handle))
|
||||
return FALSE;
|
||||
|
||||
params->v_info = g_new0 (GstVideoInfo, 1);
|
||||
*params->v_info = *v_info;
|
||||
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
||||
params->v_info->offset[i] = v_info->offset[i];
|
||||
params->v_info->stride[i] = v_info->stride[i];
|
||||
}
|
||||
_gst_gl_video_allocation_params_set_video_alignment (params, valign);
|
||||
params->target = target;
|
||||
params->plane = plane;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gl_video_allocation_params_new:
|
||||
* @context: a #GstGLContext
|
||||
* @alloc_params: (allow-none): the #GstAllocationParams for @wrapped_data
|
||||
* @v_info: the #GstVideoInfo for @wrapped_data
|
||||
* @plane: the video plane @wrapped_data represents
|
||||
* @valign: (allow-none): any #GstVideoAlignment applied to symem mappings of @wrapped_data
|
||||
* @target: the #GstGLTextureTarget for @wrapped_data
|
||||
*
|
||||
* Returns: a new #GstGLVideoAllocationParams for allocating #GstGLMemory's
|
||||
*/
|
||||
GstGLVideoAllocationParams *
|
||||
gst_gl_video_allocation_params_new (GstGLContext * context,
|
||||
GstAllocationParams * alloc_params, GstVideoInfo * v_info, guint plane,
|
||||
GstVideoAlignment * valign, GstGLTextureTarget target)
|
||||
{
|
||||
GstGLVideoAllocationParams *params = g_new0 (GstGLVideoAllocationParams, 1);
|
||||
|
||||
if (!gst_gl_video_allocation_params_init_full (params,
|
||||
sizeof (GstGLVideoAllocationParams),
|
||||
GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_ALLOC |
|
||||
GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO,
|
||||
(GstGLAllocationParamsCopyFunc)
|
||||
gst_gl_video_allocation_params_copy_data,
|
||||
(GstGLAllocationParamsFreeFunc)
|
||||
gst_gl_video_allocation_params_free_data, context, alloc_params,
|
||||
v_info, plane, valign, target, NULL, 0, NULL, NULL)) {
|
||||
g_free (params);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return params;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gl_video_allocation_params_new_wrapped_data:
|
||||
* @context: a #GstGLContext
|
||||
* @alloc_params: (allow-none): the #GstAllocationParams for @wrapped_data
|
||||
* @v_info: the #GstVideoInfo for @wrapped_data
|
||||
* @plane: the video plane @wrapped_data represents
|
||||
* @valign: (allow-none): any #GstVideoAlignment applied to symem mappings of @wrapped_data
|
||||
* @target: the #GstGLTextureTarget for @wrapped_data
|
||||
* @wrapped_data: the data pointer to wrap
|
||||
* @notify: (allow-none): a #GDestroyNotify
|
||||
* @user_data: (allow-none): user data to call @notify with
|
||||
*
|
||||
* Returns: a new #GstGLVideoAllocationParams for wrapping @wrapped_data
|
||||
*/
|
||||
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 *params = g_new0 (GstGLVideoAllocationParams, 1);
|
||||
|
||||
if (!gst_gl_video_allocation_params_init_full (params,
|
||||
sizeof (GstGLVideoAllocationParams),
|
||||
GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM |
|
||||
GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO,
|
||||
(GstGLAllocationParamsCopyFunc)
|
||||
gst_gl_video_allocation_params_copy_data,
|
||||
(GstGLAllocationParamsFreeFunc)
|
||||
gst_gl_video_allocation_params_free_data, context, alloc_params,
|
||||
v_info, plane, valign, target, wrapped_data, 0, notify, user_data)) {
|
||||
g_free (params);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return params;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gl_video_allocation_params_new_wrapped_texture:
|
||||
* @context: a #GstGLContext
|
||||
* @alloc_params: (allow-none): the #GstAllocationParams for @tex_id
|
||||
* @v_info: the #GstVideoInfo for @tex_id
|
||||
* @plane: the video plane @tex_id represents
|
||||
* @valign: (allow-none): any #GstVideoAlignment applied to symem mappings of @tex_id
|
||||
* @target: the #GstGLTextureTarget for @tex_id
|
||||
* @tex_id: the GL texture to wrap
|
||||
* @notify: (allow-none): a #GDestroyNotify
|
||||
* @user_data: (allow-none): user data to call @notify with
|
||||
*
|
||||
* Returns: a new #GstGLVideoAllocationParams for wrapping @tex_id
|
||||
*/
|
||||
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)
|
||||
{
|
||||
GstGLVideoAllocationParams *params = g_new0 (GstGLVideoAllocationParams, 1);
|
||||
|
||||
if (!gst_gl_video_allocation_params_init_full (params,
|
||||
sizeof (GstGLVideoAllocationParams),
|
||||
GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE |
|
||||
GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO,
|
||||
(GstGLAllocationParamsCopyFunc)
|
||||
gst_gl_video_allocation_params_copy_data,
|
||||
(GstGLAllocationParamsFreeFunc)
|
||||
gst_gl_video_allocation_params_free_data, context, alloc_params,
|
||||
v_info, plane, valign, target, NULL, tex_id, notify, user_data)) {
|
||||
g_free (params);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return params;
|
||||
}
|
||||
|
||||
void
|
||||
gst_gl_video_allocation_params_free_data (GstGLVideoAllocationParams * params)
|
||||
{
|
||||
g_free (params->v_info);
|
||||
g_free (params->valign);
|
||||
|
||||
gst_gl_allocation_params_free_data (¶ms->parent);
|
||||
}
|
||||
|
||||
void
|
||||
gst_gl_video_allocation_params_copy_data (GstGLVideoAllocationParams * src_vid,
|
||||
GstGLVideoAllocationParams * dest_vid)
|
||||
{
|
||||
GstGLAllocationParams *src = (GstGLAllocationParams *) src_vid;
|
||||
GstGLAllocationParams *dest = (GstGLAllocationParams *) dest_vid;
|
||||
guint i;
|
||||
|
||||
gst_gl_allocation_params_copy_data (src, dest);
|
||||
|
||||
dest_vid->v_info = g_new0 (GstVideoInfo, 1);
|
||||
*dest_vid->v_info = *src_vid->v_info;
|
||||
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
||||
dest_vid->v_info->offset[i] = src_vid->v_info->offset[i];
|
||||
dest_vid->v_info->stride[i] = src_vid->v_info->stride[i];
|
||||
}
|
||||
_gst_gl_video_allocation_params_set_video_alignment (dest_vid,
|
||||
src_vid->valign);
|
||||
dest_vid->target = src_vid->target;
|
||||
dest_vid->plane = src_vid->plane;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_gl_memory_setup_buffer:
|
||||
* @allocator: the @GstGLMemoryAllocator to allocate from
|
||||
* @buffer: a #GstBuffer to setup
|
||||
* @params: the #GstGLVideoAllocationParams to allocate with
|
||||
*
|
||||
* Returns: whether the buffer was correctly setup
|
||||
*/
|
||||
gboolean
|
||||
gst_gl_memory_setup_buffer (GstGLMemoryAllocator * allocator,
|
||||
GstBuffer * buffer, GstGLVideoAllocationParams * params)
|
||||
{
|
||||
GstGLBaseMemoryAllocator *base_allocator;
|
||||
guint n_mem, i, v, views;
|
||||
|
||||
g_return_val_if_fail (params != NULL, FALSE);
|
||||
g_return_val_if_fail ((params->parent.
|
||||
alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM)
|
||||
== 0, FALSE);
|
||||
g_return_val_if_fail ((params->parent.alloc_flags &
|
||||
GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE) == 0, FALSE);
|
||||
g_return_val_if_fail (params->parent.
|
||||
alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO, FALSE);
|
||||
|
||||
base_allocator = GST_GL_BASE_MEMORY_ALLOCATOR (allocator);
|
||||
n_mem = GST_VIDEO_INFO_N_PLANES (params->v_info);
|
||||
|
||||
if (GST_VIDEO_INFO_MULTIVIEW_MODE (params->v_info) ==
|
||||
GST_VIDEO_MULTIVIEW_MODE_SEPARATED)
|
||||
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;
|
||||
};
|
||||
|
||||
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
|
||||
*
|
||||
|
|
@ -97,7 +158,7 @@ struct _GstGLMemoryAllocator
|
|||
*/
|
||||
struct _GstGLMemoryAllocatorClass
|
||||
{
|
||||
GstGLBaseMemoryAllocatorClass parent_class;
|
||||
GstGLBaseMemoryAllocatorClass parent_class;
|
||||
|
||||
GstGLBaseMemoryAllocatorMapFunction map;
|
||||
GstGLBaseMemoryAllocatorCopyFunction copy;
|
||||
|
|
@ -151,6 +212,10 @@ GstVideoGLTextureType gst_gl_memory_get_texture_type (GstGLMemory * gl_me
|
|||
GstGLTextureTarget gst_gl_memory_get_texture_target (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
|
||||
|
||||
#endif /* _GST_GL_MEMORY_H_ */
|
||||
|
|
|
|||
Loading…
Reference in a new issue