bool gst_vlc_picture_plane_allocator_alloc(
GstVlcPicturePlaneAllocator *p_allocator,
GstBuffer *p_buffer )
{
int i_plane;
gsize i_max_size, i_align, i_offset, i_size;
picture_t *p_pic;
p_pic = &p_allocator->pic_info;
for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
{
GstVlcPicturePlane *p_mem =
(GstVlcPicturePlane*) g_slice_new0( GstVlcPicturePlane );
i_size = p_pic->p[ i_plane ].i_pitch *
p_pic->p[ i_plane ].i_lines;
i_max_size = p_pic->p[ i_plane ].i_pitch *
p_pic->p[ i_plane ].i_lines;
i_align = 0;
i_offset = 0;
gst_memory_init( GST_MEMORY_CAST( p_mem ), GST_MEMORY_FLAG_NO_SHARE,
GST_ALLOCATOR_CAST( p_allocator ), NULL, i_max_size,
i_align, i_offset, i_size );
gst_buffer_append_memory( p_buffer, (GstMemory*) p_mem );
}
return true;
}
/**
* gst_fd_allocator_alloc:
* @allocator: allocator to be used for this memory
* @fd: file descriptor
* @size: memory size
* @flags: extra #GstFdMemoryFlags
*
* Return a %GstMemory that wraps a generic file descriptor.
*
* Returns: (transfer full): a GstMemory based on @allocator.
* When the buffer will be released the allocator will close the @fd.
* The memory is only mmapped on gst_buffer_mmap() request.
*
* Since: 1.6
*/
GstMemory *
gst_fd_allocator_alloc (GstAllocator * allocator, gint fd, gsize size,
GstFdMemoryFlags flags)
{
#ifdef HAVE_MMAP
GstFdMemory *mem;
g_return_val_if_fail (GST_IS_FD_ALLOCATOR (allocator), NULL);
mem = g_slice_new0 (GstFdMemory);
gst_memory_init (GST_MEMORY_CAST (mem), 0, GST_ALLOCATOR_CAST (allocator),
NULL, size, 0, 0, size);
mem->flags = flags;
mem->fd = fd;
g_mutex_init (&mem->lock);
GST_DEBUG ("%p: fd: %d size %" G_GSIZE_FORMAT, mem, mem->fd,
mem->mem.maxsize);
return (GstMemory *) mem;
#else /* !HAVE_MMAP */
return NULL;
#endif
}
static GstGLMemoryEGL *
_gl_mem_egl_alloc (GstGLBaseMemoryAllocator * allocator,
GstGLVideoAllocationParams * params)
{
guint alloc_flags = params->parent.alloc_flags;
GstGLMemoryEGL *mem;
g_return_val_if_fail (alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO,
NULL);
g_return_val_if_fail ((alloc_flags &
GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM) == 0, NULL);
if (alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE) {
g_return_val_if_fail (GST_IS_EGL_IMAGE (params->parent.gl_handle), NULL);
}
mem = g_new0 (GstGLMemoryEGL, 1);
if (alloc_flags & GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE) {
if (params->target != GST_GL_TEXTURE_TARGET_2D) {
g_free (mem);
GST_CAT_ERROR (GST_CAT_GL_MEMORY, "GstGLMemoryEGL only supports wrapping "
"2D textures");
return NULL;
}
mem->image = gst_egl_image_ref (params->parent.gl_handle);
}
gst_gl_memory_init (GST_GL_MEMORY_CAST (mem), GST_ALLOCATOR_CAST (allocator),
NULL, params->parent.context, params->target, params->tex_type,
params->parent.alloc_params, params->v_info, params->plane,
params->valign, params->parent.user_data, params->parent.notify);
return mem;
}
static void
gst_ios_gl_memory_allocator_init (GstIOSGLMemoryAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_IOS_GL_MEMORY_ALLOCATOR_NAME;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
GstAllocator *
gst_vaapi_video_allocator_new (GstVaapiDisplay * display,
const GstVideoInfo * vip, guint flags)
{
GstVaapiVideoAllocator *allocator;
g_return_val_if_fail (display != NULL, NULL);
g_return_val_if_fail (vip != NULL, NULL);
allocator = g_object_new (GST_VAAPI_TYPE_VIDEO_ALLOCATOR, NULL);
if (!allocator)
return NULL;
allocator->video_info = *vip;
allocator_configure_surface_info (display, allocator);
allocator->surface_pool = gst_vaapi_surface_pool_new_full (display,
&allocator->surface_info, flags);
if (!allocator->surface_pool)
goto error_create_surface_pool;
allocator_configure_image_info (display, allocator);
allocator->image_pool = gst_vaapi_image_pool_new (display,
&allocator->image_info);
if (!allocator->image_pool)
goto error_create_image_pool;
gst_allocator_set_vaapi_video_info (GST_ALLOCATOR_CAST (allocator),
&allocator->image_info, 0);
return GST_ALLOCATOR_CAST (allocator);
/* ERRORS */
error_create_surface_pool:
{
GST_ERROR ("failed to allocate VA surface pool");
gst_object_unref (allocator);
return NULL;
}
error_create_image_pool:
{
GST_ERROR ("failed to allocate VA image pool");
gst_object_unref (allocator);
return NULL;
}
}
static void
gst_gl_buffer_allocator_init (GstGLBufferAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_GL_BUFFER_ALLOCATOR_NAME;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void
gst_gl_memory_pbo_allocator_init (GstGLMemoryPBOAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_GL_MEMORY_PBO_ALLOCATOR_NAME;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void
gst_wl_shm_allocator_init (GstWlShmAllocator * self)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (self);
alloc->mem_type = GST_ALLOCATOR_WL_SHM;
GST_OBJECT_FLAG_UNSET (self, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void
my_memory_allocator_init (MyMemoryAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = "MyMemory";
alloc->mem_map = (GstMemoryMapFunction) _my_mem_map;
alloc->mem_unmap = (GstMemoryUnmapFunction) _my_mem_unmap;
alloc->mem_share = (GstMemoryShareFunction) _my_mem_share;
}
static void gst_allocator_fast_malloc_init(GstAllocatorFastMalloc* allocator)
{
GstAllocator* baseAllocator = GST_ALLOCATOR_CAST(allocator);
baseAllocator->mem_type = "FastMalloc";
baseAllocator->mem_map = reinterpret_cast<GstMemoryMapFunction>(gst_allocator_fast_malloc_mem_map);
baseAllocator->mem_unmap = reinterpret_cast<GstMemoryUnmapFunction>(gst_allocator_fast_malloc_mem_unmap);
baseAllocator->mem_copy = reinterpret_cast<GstMemoryCopyFunction>(gst_allocator_fast_malloc_mem_copy);
baseAllocator->mem_share = reinterpret_cast<GstMemoryShareFunction>(gst_allocator_fast_malloc_mem_share);
baseAllocator->mem_is_span = reinterpret_cast<GstMemoryIsSpanFunction>(gst_allocator_fast_malloc_mem_is_span);
}
static void
gst_msdk_system_allocator_init (GstMsdkSystemAllocator * allocator)
{
GstAllocator *const base_allocator = GST_ALLOCATOR_CAST (allocator);
base_allocator->mem_type = GST_MSDK_SYSTEM_MEMORY_NAME;
base_allocator->mem_map_full = gst_msdk_system_memory_map_full;
base_allocator->mem_unmap = gst_msdk_system_memory_unmap;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void
moz_gfx_memory_allocator_init (MozGfxMemoryAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = "moz-gfx-image";
alloc->mem_map = (GstMemoryMapFunction) moz_gfx_memory_map;
alloc->mem_unmap = (GstMemoryUnmapFunction) moz_gfx_memory_unmap;
alloc->mem_share = (GstMemoryShareFunction) moz_gfx_memory_share;
/* fallback copy and is_span */
}
static void
gst_vulkan_memory_allocator_init (GstVulkanMemoryAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_VULKAN_MEMORY_ALLOCATOR_NAME;
alloc->mem_map_full = (GstMemoryMapFullFunction) _vk_mem_map_full;
alloc->mem_unmap_full = (GstMemoryUnmapFullFunction) _vk_mem_unmap_full;
alloc->mem_copy = (GstMemoryCopyFunction) _vk_mem_copy;
alloc->mem_share = (GstMemoryShareFunction) _vk_mem_share;
alloc->mem_is_span = (GstMemoryIsSpanFunction) _vk_mem_is_span;
}
static void
gst_gl_base_buffer_allocator_init (GstGLBaseBufferAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_GL_MEMORY_ALLOCATOR;
alloc->mem_map_full = (GstMemoryMapFullFunction) _mem_map_full;
alloc->mem_unmap_full = (GstMemoryUnmapFullFunction) _mem_unmap_full;
alloc->mem_copy = (GstMemoryCopyFunction) _mem_copy;
alloc->mem_share = (GstMemoryShareFunction) _mem_share;
alloc->mem_is_span = (GstMemoryIsSpanFunction) _mem_is_span;
}
static void
gst_vdp_video_allocator_init (GstVdpVideoAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_VDP_VIDEO_MEMORY_ALLOCATOR;
alloc->mem_map = (GstMemoryMapFunction) _vdp_video_mem_map;
alloc->mem_unmap = (GstMemoryUnmapFunction) _vdp_video_mem_unmap;
alloc->mem_copy = (GstMemoryCopyFunction) _vdp_video_mem_copy;
alloc->mem_share = (GstMemoryShareFunction) _vdp_video_mem_share;
alloc->mem_is_span = (GstMemoryIsSpanFunction) _vdp_video_mem_is_span;
}
static void
ximage_memory_allocator_init (GstXImageMemoryAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_XIMAGE_ALLOCATOR_NAME;
alloc->mem_map = (GstMemoryMapFunction) ximage_memory_map;
alloc->mem_unmap = (GstMemoryUnmapFunction) ximage_memory_unmap;
alloc->mem_share = (GstMemoryShareFunction) ximage_memory_share;
/* fallback copy and is_span */
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void gst_vlc_picture_plane_allocator_init(
GstVlcPicturePlaneAllocator *p_allocator )
{
GstAllocator *p_alloc = GST_ALLOCATOR_CAST( p_allocator );
p_alloc->mem_type = GST_VLC_PICTURE_PLANE_ALLOCATOR_NAME;
p_alloc->mem_map = (GstMemoryMapFunction) gst_vlc_picture_plane_map;
p_alloc->mem_unmap = (GstMemoryUnmapFunction) gst_vlc_picture_plane_unmap;
p_alloc->mem_copy = (GstMemoryShareFunction) gst_vlc_picture_plane_copy;
/* fallback is_span */
GST_OBJECT_FLAG_SET( p_allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC );
}
static void
gst_fd_allocator_init (GstFdAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_ALLOCATOR_FD;
alloc->mem_map = gst_fd_mem_map;
alloc->mem_unmap = gst_fd_mem_unmap;
alloc->mem_share = gst_fd_mem_share;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void
gst_apple_core_video_allocator_init (GstAppleCoreVideoAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_APPLE_CORE_VIDEO_ALLOCATOR_NAME;
alloc->mem_map = gst_apple_core_video_mem_map;
alloc->mem_unmap = gst_apple_core_video_mem_unmap;
alloc->mem_share = gst_apple_core_video_mem_share;
alloc->mem_is_span = gst_apple_core_video_mem_is_span;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void
dmabuf_mem_allocator_init (GstDmaBufAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = ALLOCATOR_NAME;
alloc->mem_map = gst_dmabuf_mem_map;
alloc->mem_unmap = gst_dmabuf_mem_unmap;
alloc->mem_share = gst_dmabuf_mem_share;
/* Use the default, fallback copy function */
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
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 void
gst_omx_memory_allocator_init (GstOMXMemoryAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_OMX_MEMORY_TYPE;
alloc->mem_map = gst_omx_memory_map;
alloc->mem_unmap = gst_omx_memory_unmap;
alloc->mem_share = gst_omx_memory_share;
/* default copy & is_span */
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void
gst_mmal_opaque_allocator_init (GstMMALOpaqueAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_MMAL_OPAQUE_MEMORY_TYPE;
alloc->mem_map = gst_mmal_opaque_mem_map;
alloc->mem_unmap = gst_mmal_opaque_mem_unmap;
alloc->mem_share = gst_mmal_opaque_mem_share;
alloc->mem_copy = gst_mmal_opaque_mem_copy;
alloc->mem_is_span = gst_mmal_opaque_mem_is_span;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static GstMemory *
gst_shm_sink_allocator_alloc_locked (GstShmSinkAllocator * self, gsize size,
GstAllocationParams * params)
{
GstMemory *memory = NULL;
ShmBlock *block = NULL;
gsize maxsize = size + params->prefix + params->padding;
gsize align = params->align;
/* ensure configured alignment */
align |= gst_memory_alignment;
/* allocate more to compensate for alignment */
maxsize += align;
block = sp_writer_alloc_block (self->sink->pipe, maxsize);
if (block) {
GstShmSinkMemory *mymem;
gsize aoffset, padding;
GST_LOG_OBJECT (self,
"Allocated block %p with %" G_GSIZE_FORMAT " bytes at %p", block, size,
sp_writer_block_get_buf (block));
mymem = g_slice_new0 (GstShmSinkMemory);
memory = GST_MEMORY_CAST (mymem);
mymem->data = sp_writer_block_get_buf (block);
mymem->sink = gst_object_ref (self->sink);
mymem->block = block;
/* do alignment */
if ((aoffset = ((guintptr) mymem->data & align))) {
aoffset = (align + 1) - aoffset;
mymem->data += aoffset;
maxsize -= aoffset;
}
if (params->prefix && (params->flags & GST_MEMORY_FLAG_ZERO_PREFIXED))
memset (mymem->data, 0, params->prefix);
padding = maxsize - (params->prefix + size);
if (padding && (params->flags & GST_MEMORY_FLAG_ZERO_PADDED))
memset (mymem->data + params->prefix + size, 0, padding);
gst_memory_init (memory, params->flags,
GST_ALLOCATOR_CAST (g_object_ref (self)), NULL, maxsize, align,
params->prefix, size);
}
return memory;
}
static void
gst_allocator_sysmem_init (GstAllocatorSysmem * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
GST_CAT_DEBUG (GST_CAT_MEMORY, "init allocator %p", allocator);
alloc->mem_type = GST_ALLOCATOR_SYSMEM;
alloc->mem_map = (GstMemoryMapFunction) _sysmem_map;
alloc->mem_unmap = (GstMemoryUnmapFunction) _sysmem_unmap;
alloc->mem_copy = (GstMemoryCopyFunction) _sysmem_copy;
alloc->mem_share = (GstMemoryShareFunction) _sysmem_share;
alloc->mem_is_span = (GstMemoryIsSpanFunction) _sysmem_is_span;
}
GstAllocator *
gst_msdk_system_allocator_new (GstVideoInfo * image_info)
{
GstMsdkSystemAllocator *allocator;
g_return_val_if_fail (image_info != NULL, NULL);
allocator = g_object_new (GST_TYPE_MSDK_SYSTEM_ALLOCATOR, NULL);
if (!allocator)
return NULL;
allocator->image_info = *image_info;
return GST_ALLOCATOR_CAST (allocator);
}
static void
gst_gl_base_memory_allocator_init (GstGLBaseMemoryAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
/* Keep the fallback copy function around, we will need it when copying with
* at an offset or smaller size */
allocator->fallback_mem_copy = alloc->mem_copy;
alloc->mem_map_full = (GstMemoryMapFullFunction) _mem_map_full;
alloc->mem_unmap_full = (GstMemoryUnmapFullFunction) _mem_unmap_full;
alloc->mem_copy = (GstMemoryCopyFunction) _mem_copy;
alloc->mem_share = (GstMemoryShareFunction) _mem_share;
alloc->mem_is_span = (GstMemoryIsSpanFunction) _mem_is_span;
}
static void
gst_v4l2_allocator_init (GstV4l2Allocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_V4L2_MEMORY_TYPE;
alloc->mem_map = (GstMemoryMapFunction) _v4l2mem_map;
alloc->mem_unmap = (GstMemoryUnmapFunction) _v4l2mem_unmap;
alloc->mem_share = (GstMemoryShareFunction) _v4l2mem_share;
alloc->mem_is_span = (GstMemoryIsSpanFunction) _v4l2mem_is_span;
/* Use the default, fallback copy function */
allocator->free_queue = gst_atomic_queue_new (VIDEO_MAX_FRAME);
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
static void
gst_vaapi_video_allocator_init (GstVaapiVideoAllocator * allocator)
{
GstAllocator *const base_allocator = GST_ALLOCATOR_CAST (allocator);
base_allocator->mem_type = GST_VAAPI_VIDEO_MEMORY_NAME;
base_allocator->mem_map = (GstMemoryMapFunction)
gst_vaapi_video_memory_map;
base_allocator->mem_unmap = (GstMemoryUnmapFunction)
gst_vaapi_video_memory_unmap;
base_allocator->mem_copy = (GstMemoryCopyFunction)
gst_vaapi_video_memory_copy;
base_allocator->mem_share = (GstMemoryShareFunction)
gst_vaapi_video_memory_share;
base_allocator->mem_is_span = (GstMemoryIsSpanFunction)
gst_vaapi_video_memory_is_span;
}
static void
droid_media_buffer_allocator_init (GstDroidMediaBufferAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
GST_DEBUG_OBJECT (alloc, "init");
alloc->mem_type = GST_ALLOCATOR_DROID_MEDIA_BUFFER;
alloc->mem_map = gst_droid_media_buffer_memory_map;
alloc->mem_unmap = gst_droid_media_buffer_memory_unmap;
alloc->mem_copy = NULL;
alloc->mem_share = NULL;
alloc->mem_is_span = NULL;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
