static MozGfxMemory *
moz_gfx_memory_share (MozGfxMemory * mem, gssize offset, gsize size)
{
MozGfxMemory *sub;
GstMemory *parent;
/* find the real parent */
if ((parent = mem->memory.parent) == NULL)
parent = (GstMemory *) mem;
if (size == (gsize) -1)
size = mem->memory.size - offset;
/* the shared memory is always readonly */
sub = g_slice_new (MozGfxMemory);
gst_memory_init (GST_MEMORY_CAST (sub),
(GstMemoryFlags) (GST_MINI_OBJECT_FLAGS (parent) | GST_MINI_OBJECT_FLAG_LOCK_READONLY),
mem->memory.allocator, &mem->memory, mem->memory.maxsize, mem->memory.align,
mem->memory.offset + offset, size);
sub->image = mem->image;
sub->data = mem->data;
return sub;
}
static GstMemory* gst_allocator_fast_malloc_alloc(GstAllocator* allocator, gsize size, GstAllocationParams* params)
{
ASSERT(G_TYPE_CHECK_INSTANCE_TYPE(allocator, gst_allocator_fast_malloc_get_type()));
// alignment should be a (power-of-two - 1).
gsize alignment = params->align | gst_memory_alignment;
ASSERT(!((alignment + 1) & alignment));
gsize headerSize = (sizeof(GstMemoryFastMalloc) + alignment) & ~alignment;
gsize allocationSize = params->prefix + size + params->padding;
GstMemoryFastMalloc* mem = static_cast<GstMemoryFastMalloc*>(fastAlignedMalloc(alignment + 1, headerSize + allocationSize));
if (!mem)
return nullptr;
mem->data = reinterpret_cast<uint8_t*>(mem) + headerSize;
if (params->prefix && (params->flags & GST_MEMORY_FLAG_ZERO_PREFIXED))
std::memset(mem->data, 0, params->prefix);
if (params->padding && (params->flags & GST_MEMORY_FLAG_ZERO_PADDED))
std::memset(mem->data + params->prefix + size, 0, params->padding);
gst_memory_init(GST_MEMORY_CAST(mem), params->flags, allocator, nullptr,
allocationSize, alignment, params->prefix, size);
return GST_MEMORY_CAST(mem);
}
static GstMemory *
gst_mir_image_mem_share (GstMemory * mem, gssize offset, gssize size)
{
GstMemory *sub;
GstMemory *parent;
GST_WARNING ("%s", __PRETTY_FUNCTION__);
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 (GstMirImageMemory);
/* 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;
}
GstMemory *
gst_mir_image_allocator_wrap (GstAllocator * allocator,
MediaCodecDelegate delegate, gsize buffer_id, GstMemoryFlags flags,
gsize size, gpointer user_data, GDestroyNotify user_data_destroy)
{
GstMirImageMemory *mem;
GST_WARNING ("%s", __PRETTY_FUNCTION__);
GST_WARNING ("size: %d", size);
GST_WARNING ("delegate: %p", delegate);
if (!allocator) {
allocator = gst_mir_image_allocator_obtain ();
}
mem = g_slice_new (GstMirImageMemory);
// FIXME: calling gst_mir_image_allocator_obtain() is a hack to select my allocator, this really
// should be selected automatically by the decoder. This selection is not working correctly yet.
gst_memory_init (GST_MEMORY_CAST (mem), flags,
gst_mir_image_allocator_obtain (), NULL, size, 0, 0, size);
mem->codec_delegate = delegate;
mem->buffer_index = buffer_id;
mem->user_data = user_data;
mem->user_data_destroy = user_data_destroy;
return GST_MEMORY_CAST (mem);
}
static GstMemory *
gst_fd_mem_share (GstMemory * gmem, gssize offset, gssize size)
{
#ifdef HAVE_MMAP
GstFdMemory *mem = (GstFdMemory *) gmem;
GstFdMemory *sub;
GstMemory *parent;
GST_DEBUG ("%p: share %" G_GSSIZE_FORMAT " %" G_GSIZE_FORMAT, mem, offset,
size);
/* find the real parent */
if ((parent = mem->mem.parent) == NULL)
parent = (GstMemory *) mem;
if (size == -1)
size = gmem->maxsize - offset;
sub = g_slice_new0 (GstFdMemory);
/* 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->mem.allocator, parent,
mem->mem.maxsize, mem->mem.align, mem->mem.offset + offset, size);
sub->fd = mem->fd;
g_mutex_init (&sub->lock);
return GST_MEMORY_CAST (sub);
#else /* !HAVE_MMAP */
return NULL;
#endif
}
GstMemory *
gst_egl_image_allocator_wrap (GstAllocator * allocator,
GstEGLDisplay * display, EGLImageKHR image, GstEGLImageType 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);
g_return_val_if_fail (type != GST_EGL_IMAGE_MEMORY_TYPE_INVALID, 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->user_data = user_data;
mem->user_data_destroy = user_data_destroy;
return GST_MEMORY_CAST (mem);
}
/**
* 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 GstMemory *
gst_egl_image_allocator_wrap (GstEGLImageAllocator * allocator,
GstGLContextEGL * context, EGLImageKHR image, GstVideoGLTextureType type,
GstMemoryFlags flags, gsize size, gpointer user_data,
GstEGLImageDestroyNotify user_data_destroy)
{
GstEGLImageMemory *mem = NULL;
g_return_val_if_fail (context != 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,
GST_ALLOCATOR (allocator), NULL, size, 0, 0, size);
gst_object_unref (allocator);
mem->context = gst_object_ref (context);
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);
}
GstMemory *
gst_msdk_system_memory_new (GstAllocator * base_allocator)
{
GstMsdkSystemAllocator *allocator;
GstVideoInfo *vip;
GstMsdkSystemMemory *mem;
g_return_val_if_fail (base_allocator, NULL);
g_return_val_if_fail (GST_IS_MSDK_SYSTEM_ALLOCATOR (base_allocator), NULL);
allocator = GST_MSDK_SYSTEM_ALLOCATOR_CAST (base_allocator);
mem = g_slice_new0 (GstMsdkSystemMemory);
if (!mem)
return NULL;
mem->surface = gst_msdk_system_allocator_create_surface (base_allocator);
vip = &allocator->image_info;
gst_memory_init (&mem->parent_instance, GST_MEMORY_FLAG_NO_SHARE,
base_allocator, NULL, GST_VIDEO_INFO_SIZE (vip), 0, 0,
GST_VIDEO_INFO_SIZE (vip));
if (!ensure_data (mem))
return NULL;
return GST_MEMORY_CAST (mem);
}
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;
}
static GstMemoryFastMalloc* gst_allocator_fast_malloc_mem_copy(GstMemoryFastMalloc* mem, gssize offset, gsize size)
{
gsize alignment = mem->base.align | gst_memory_alignment;
ASSERT(!((alignment + 1) & alignment));
gsize headerSize = (sizeof(GstMemoryFastMalloc) + alignment) & ~alignment;
gsize allocationSize = size;
if (allocationSize == static_cast<gsize>(-1)) {
allocationSize = 0;
if (offset < 0 || (mem->base.size > static_cast<gsize>(offset)))
allocationSize = mem->base.size - offset;
}
GstMemoryFastMalloc* copy = static_cast<GstMemoryFastMalloc*>(fastAlignedMalloc(alignment + 1, headerSize + allocationSize));
if (!copy)
return nullptr;
gst_memory_init(GST_MEMORY_CAST(copy), static_cast<GstMemoryFlags>(0),
mem->base.allocator, nullptr, allocationSize, alignment, 0, allocationSize);
copy->data = reinterpret_cast<uint8_t*>(copy) + headerSize;
std::memcpy(copy->data, mem->data + mem->base.offset + offset, allocationSize);
return copy;
}
static MyMemory *
_my_mem_share (MyMemory * mem, gssize offset, gsize size)
{
MyMemory *sub;
GstMemory *parent;
GST_DEBUG ("%p: share %" G_GSSIZE_FORMAT " %" G_GSIZE_FORMAT, mem, offset,
size);
/* find the real parent */
if ((parent = mem->mem.parent) == NULL)
parent = (GstMemory *) mem;
if (size == -1)
size = mem->mem.size - offset;
sub = g_slice_new (MyMemory);
/* 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->mem.allocator, parent,
mem->mem.maxsize, mem->mem.align, mem->mem.offset + offset, size);
/* install pointer */
sub->data = _my_mem_map (mem, mem->mem.maxsize, GST_MAP_READ);
return sub;
}
GstMemory *
gst_vaapi_video_memory_new (GstAllocator * base_allocator,
GstVaapiVideoMeta * meta)
{
GstVaapiVideoAllocator *const allocator =
GST_VAAPI_VIDEO_ALLOCATOR_CAST (base_allocator);
const GstVideoInfo *vip;
GstVaapiVideoMemory *mem;
g_return_val_if_fail (GST_VAAPI_IS_VIDEO_ALLOCATOR (allocator), NULL);
mem = g_slice_new (GstVaapiVideoMemory);
if (!mem)
return NULL;
vip = &allocator->image_info;
gst_memory_init (&mem->parent_instance, GST_MEMORY_FLAG_NO_SHARE,
gst_object_ref (allocator), NULL, GST_VIDEO_INFO_SIZE (vip), 0,
0, GST_VIDEO_INFO_SIZE (vip));
mem->proxy = NULL;
mem->surface_info = &allocator->surface_info;
mem->surface = NULL;
mem->image_info = &allocator->image_info;
mem->image = NULL;
mem->meta = meta ? gst_vaapi_video_meta_ref (meta) : NULL;
mem->map_type = 0;
mem->map_count = 0;
mem->use_direct_rendering = allocator->has_direct_rendering;
GST_VAAPI_VIDEO_MEMORY_FLAG_SET (mem,
GST_VAAPI_VIDEO_MEMORY_FLAG_SURFACE_IS_CURRENT);
return GST_MEMORY_CAST (mem);
}
static GstMemory *
gst_omx_memory_allocator_alloc (GstAllocator * allocator, GstMemoryFlags flags,
GstOMXBuffer * buf)
{
GstOMXMemory *mem;
gint align;
/* FIXME: We don't allow sharing because we need to know
* when the memory becomes unused and can only then put
* it back to the pool. Which is done in the pool's release
* function
*/
flags |= GST_MEMORY_FLAG_NO_SHARE;
/* GStreamer uses a bitmask for the alignment while
* OMX uses the alignment itself. So we have to convert
* here */
align = buf->port->port_def.nBufferAlignment;
if (align > 0)
align -= 1;
if (((align + 1) & align) != 0) {
GST_WARNING ("Invalid alignment that is not a power of two: %u",
(guint) buf->port->port_def.nBufferAlignment);
align = 0;
}
mem = g_slice_new (GstOMXMemory);
/* the shared memory is always readonly */
gst_memory_init (GST_MEMORY_CAST (mem), flags, allocator, NULL,
buf->omx_buf->nAllocLen, align, 0, buf->omx_buf->nAllocLen);
mem->buf = buf;
return GST_MEMORY_CAST (mem);
}
/**
* gst_dmabuf_allocator_alloc:
* @allocator: (allow-none): allocator to be used for this memory
* @fd: dmabuf file descriptor
* @size: memory size
*
* Return a %GstMemory that wraps a dmabuf file descriptor.
*
* Returns: (transfer full): a GstMemory based on @allocator.
* When the buffer will be released dmabuf allocator will close the @fd.
* The memory is only mmapped on gst_buffer_mmap() request.
*
* Since: 1.2
*/
GstMemory *
gst_dmabuf_allocator_alloc (GstAllocator * allocator, gint fd, gsize size)
{
GstDmaBufMemory *mem;
if (!allocator) {
allocator = gst_dmabuf_allocator_obtain ();
}
if (!GST_IS_DMABUF_ALLOCATOR (allocator)) {
GST_WARNING ("it isn't the correct allocator for dmabuf");
return NULL;
}
GST_DEBUG ("alloc from allocator %p", allocator);
mem = g_slice_new0 (GstDmaBufMemory);
gst_memory_init (GST_MEMORY_CAST (mem), 0, allocator, NULL, size, 0, 0, size);
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;
}
static GstMemory *
gst_shmdata_sink_allocator_alloc_locked (GstShmdataSinkAllocator * self, gsize size,
GstAllocationParams * params)
{
GstMemory *memory = 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;
if (self->sink->size < size){
if (0 == shmdata_shm_resize(self->sink->access, size))
GST_ELEMENT_ERROR (self, RESOURCE, NO_SPACE_LEFT,
("Cannot resize shared memory area"),
("from %" G_GSIZE_FORMAT " to %" G_GSIZE_FORMAT,
self->sink->size,
size));
self->sink->size = size;
}
void *data = shmdata_get_mem(self->sink->access);
if (data) {
GstShmdataSinkMemory *mymem;
gsize aoffset, padding;
GST_LOG_OBJECT (self,
"Allocated block with %" G_GSIZE_FORMAT " bytes at %p", size,
data);
mymem = g_slice_new0 (GstShmdataSinkMemory);
memory = GST_MEMORY_CAST (mymem);
mymem->data = data;
mymem->sink = gst_object_ref (self->sink);
/* 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, g_object_ref (self), NULL,
maxsize, align, params->prefix, size);
}
return memory;
}
static GstMemory *
gst_droid_codec_gralloc_allocator_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
GstMemory *gralloc;
OMX_ERRORTYPE err;
GstDroidCodecGrallocMemory *mem;
struct ANativeWindowBuffer *native;
GstDroidCodecGrallocAllocator *alloc = GST_GRALLOC_ALLOCATOR (allocator);
OMX_BUFFERHEADERTYPE *omx_buf = NULL;
if (size != alloc->port->def.nBufferSize) {
GST_ERROR_OBJECT (alloc->port->comp->parent,
"invalid size passed %i vs requested %li", size,
alloc->port->def.nBufferSize);
return NULL;
}
gralloc = gst_gralloc_allocator_alloc (alloc->gralloc,
alloc->port->def.format.video.nFrameWidth,
alloc->port->def.format.video.nFrameHeight,
alloc->port->def.format.video.eColorFormat, alloc->port->usage);
if (!gralloc) {
GST_ERROR_OBJECT (alloc->port->comp->parent,
"error allocating gralloc memory");
return NULL;
}
mem = g_slice_new0 (GstDroidCodecGrallocMemory);
native = gst_memory_get_native_buffer (gralloc);
err =
OMX_UseBuffer (alloc->port->comp->omx, &omx_buf,
alloc->port->def.nPortIndex, mem, alloc->port->def.nBufferSize,
(OMX_U8 *) native->handle);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (alloc->port->comp->parent,
"Failed to use buffer for port %li: %s (0x%08x)",
alloc->port->def.nPortIndex, gst_omx_error_to_string (err), err);
gst_memory_unref (gralloc);
g_slice_free (GstDroidCodecGrallocMemory, mem);
return NULL;
}
mem->gralloc = gralloc;
mem->omx_buf = omx_buf;
gst_memory_init (GST_MEMORY_CAST (mem), GST_MEMORY_FLAG_NO_SHARE, allocator,
NULL, omx_buf->nAllocLen, alloc->port->def.nBufferAlignment, 0,
omx_buf->nAllocLen);
GST_DEBUG_OBJECT (alloc->port->comp->parent,
"Allocated buffer for port %li", alloc->port->def.nPortIndex);
return GST_MEMORY_CAST (mem);
}
GstMemory *
gst_droid_media_buffer_allocator_alloc_from_data (GstAllocator * allocator,
GstVideoInfo * info, DroidMediaData * data, DroidMediaBufferCallbacks * cb)
{
GstDroidMediaBufferMemory *mem;
DroidMediaBuffer *buffer;
int format;
GstDroidMediaBufferAllocator *alloc;
if (!GST_IS_DROID_MEDIA_BUFFER_ALLOCATOR (allocator)) {
GST_WARNING_OBJECT (allocator,
"allocator is not the correct allocator for droidmediabuffer");
return NULL;
}
alloc = (GstDroidMediaBufferAllocator *) allocator;
if (info->finfo->format == GST_VIDEO_FORMAT_YV12) {
format = alloc->c.HAL_PIXEL_FORMAT_YV12;
} else if (info->finfo->format == GST_VIDEO_FORMAT_NV21) {
format = alloc->c.HAL_PIXEL_FORMAT_YCrCb_420_SP;
} else {
GST_WARNING_OBJECT (allocator,
"Unknown GStreamer format %s",
gst_video_format_to_string (info->finfo->format));
return NULL;
}
mem = g_slice_new0 (GstDroidMediaBufferMemory);
buffer =
droid_media_buffer_create_from_raw_data (info->width, info->height,
GST_VIDEO_INFO_COMP_STRIDE (info, 0),
GST_VIDEO_INFO_COMP_STRIDE (info, 1), format, data, cb);
if (!buffer) {
GST_ERROR_OBJECT (allocator, "failed to acquire media buffer");
g_slice_free (GstDroidMediaBufferMemory, mem);
return NULL;
}
mem->buffer = buffer;
gst_memory_init (GST_MEMORY_CAST (mem),
GST_MEMORY_FLAG_NO_SHARE | GST_MEMORY_FLAG_NOT_MAPPABLE, allocator, NULL,
0, 0, 0, 0);
GST_DEBUG_OBJECT (allocator, "alloc %p", mem);
return GST_MEMORY_CAST (mem);
}
/* initialize the fields */
static inline void
_sysmem_init (GstMemorySystem * mem, GstMemoryFlags flags,
GstMemory * parent, gsize slice_size,
gpointer data, gsize maxsize, gsize align, gsize offset, gsize size,
gpointer user_data, GDestroyNotify notify)
{
gst_memory_init (GST_MEMORY_CAST (mem),
flags, _sysmem_allocator, parent, maxsize, align, offset, size);
mem->slice_size = slice_size;
mem->data = data;
mem->user_data = user_data;
mem->notify = notify;
}
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 GstMemory*
moz_gfx_memory_allocator_alloc(GstAllocator* aAllocator, gsize aSize,
GstAllocationParams* aParams)
{
MozGfxMemory* mem = g_slice_new (MozGfxMemory);
gsize maxsize = aSize + aParams->prefix + aParams->padding;
gst_memory_init(GST_MEMORY_CAST (mem),
(GstMemoryFlags)aParams->flags,
aAllocator, NULL, maxsize, aParams->align,
aParams->prefix, aSize);
mem->image = NULL;
moz_gfx_memory_reset(mem);
return (GstMemory *) mem;
}
static GstMemory *
gst_wl_shm_allocator_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
GstWlShmAllocator *self = GST_WL_SHM_ALLOCATOR (allocator);
char filename[1024];
static int init = 0;
int fd;
gpointer data;
GstWlShmMemory *mem;
/* TODO: make use of the allocation params, if necessary */
/* allocate shm pool */
snprintf (filename, 1024, "%s/%s-%d-%s", g_get_user_runtime_dir (),
"wayland-shm", init++, "XXXXXX");
fd = g_mkstemp (filename);
if (fd < 0) {
GST_ERROR_OBJECT (self, "opening temp file %s failed: %s", filename,
strerror (errno));
return NULL;
}
if (ftruncate (fd, size) < 0) {
GST_ERROR_OBJECT (self, "ftruncate failed: %s", strerror (errno));
close (fd);
return NULL;
}
data = mmap (NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (data == MAP_FAILED) {
GST_ERROR_OBJECT (self, "mmap failed: %s", strerror (errno));
close (fd);
return NULL;
}
unlink (filename);
mem = g_slice_new0 (GstWlShmMemory);
gst_memory_init ((GstMemory *) mem, GST_MEMORY_FLAG_NO_SHARE, allocator, NULL,
size, 0, 0, size);
mem->data = data;
mem->fd = fd;
return (GstMemory *) mem;
}
static void
_vdp_video_mem_init (GstVdpVideoMemory * mem, GstAllocator * allocator,
GstMemory * parent, GstVdpDevice * device, GstVideoInfo * info)
{
gst_memory_init (GST_MEMORY_CAST (mem), GST_MEMORY_FLAG_NO_SHARE,
allocator, parent, GST_VIDEO_INFO_SIZE (info), 0, 0,
GST_VIDEO_INFO_SIZE (info));
mem->device = gst_object_ref (device);
mem->info = info;
mem->chroma_type = gst_video_info_to_vdp_chroma_type (info);
mem->ycbcr_format =
gst_video_format_to_vdp_ycbcr (GST_VIDEO_INFO_FORMAT (info));
mem->refcount = 0;
GST_DEBUG ("new VdpVideo memory");
}
static GstMemory *
_my_alloc (GstAllocator * allocator, gsize size, GstAllocationParams * params)
{
MyMemory *mem;
gsize maxsize = size + params->prefix + params->padding;
GST_DEBUG ("alloc from allocator %p", allocator);
mem = g_slice_new (MyMemory);
gst_memory_init (GST_MEMORY_CAST (mem), params->flags, allocator, NULL,
maxsize, params->align, params->prefix, size);
mem->data = NULL;
return (GstMemory *) mem;
}
static GstMemory *
gst_mmal_opaque_allocator_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
GstMMALOpaqueMemory *mem = g_slice_new (GstMMALOpaqueMemory);
gst_memory_init (GST_MEMORY_CAST (mem), GST_MEMORY_FLAG_NOT_MAPPABLE,
allocator, NULL, size, 31, 0, size);
/* We will have to fill this in later, once we have it.
The client will do this by calling:
gst_mmal_opaque_mem_set_mmal_header()
*/
mem->mmal_buffer_header = NULL;
return GST_MEMORY_CAST (mem);
}
static GstMemory *
gst_dwl_allocator_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
GstDwlAllocator *dwl;
GstDwlMemory *dwlmem;
GstG1Memory *g1mem;
GstMemory *mem;
gsize maxsize;
gint ret;
dwl = GST_DWL_ALLOCATOR (allocator);
dwlmem = g_slice_new (GstDwlMemory);
mem = GST_MEMORY_CAST (dwlmem);
/* Take into account prefix and padding */
maxsize = size + params->prefix + params->padding;
GST_LOG ("Allocating new slice %p of %d", mem, maxsize);
ret = DWLMallocLinear (dwl->dwl, maxsize, &dwlmem->linearmem);
if (DWL_FAILED (ret)) {
GST_ERROR_OBJECT (dwl, "Unable to allocate buffer of size %d, reason: %d",
size, ret);
g_free (dwlmem);
dwlmem = NULL;
mem = NULL;
goto exit;
}
/* Initialize GstMemory */
gst_memory_init (mem, GST_MEMORY_FLAG_PHYSICALLY_CONTIGUOUS, _dwl_allocator,
NULL, maxsize, 0, params->prefix, size);
g1mem = (GstG1Memory *) dwlmem;
g1mem->virtaddress = dwlmem->linearmem.virtualAddress;
g1mem->physaddress = dwlmem->linearmem.busAddress;
exit:
{
return mem;
}
}
static GstMemoryFastMalloc* gst_allocator_fast_malloc_mem_share(GstMemoryFastMalloc* mem, gssize offset, gsize size)
{
GstMemory* parent = mem->base.parent;
if (!parent)
parent = GST_MEMORY_CAST(mem);
if (size == static_cast<gsize>(-1))
size = mem->base.size - offset;
GstMemoryFastMalloc* sharedMem = static_cast<GstMemoryFastMalloc*>(fastMalloc(sizeof(GstMemoryFastMalloc)));
gst_memory_init(GST_MEMORY_CAST(sharedMem),
static_cast<GstMemoryFlags>(GST_MINI_OBJECT_FLAGS(parent) | GST_MINI_OBJECT_FLAG_LOCK_READONLY),
mem->base.allocator, parent, mem->base.maxsize, mem->base.align,
mem->base.offset + offset, size);
sharedMem->data = mem->data;
return sharedMem;
}
static void
_vk_mem_init (GstVulkanMemory * mem, GstAllocator * allocator,
GstMemory * parent, GstVulkanDevice * device, guint32 memory_type_index,
GstAllocationParams * params, gsize size,
VkMemoryPropertyFlags mem_prop_flags, gpointer user_data,
GDestroyNotify notify)
{
gsize align = gst_memory_alignment, offset = 0, maxsize = size;
GstMemoryFlags flags = 0;
gchar *props_str;
if (params) {
flags = params->flags;
align |= params->align;
offset = params->prefix;
maxsize += params->prefix + params->padding;
if ((maxsize & align) != 0)
maxsize += ~(maxsize & align) + 1;
}
gst_memory_init (GST_MEMORY_CAST (mem), flags, allocator, parent, maxsize,
align, offset, size);
mem->device = gst_object_ref (device);
mem->alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
mem->alloc_info.pNext = NULL;
mem->alloc_info.allocationSize = (VkDeviceSize) mem->mem.maxsize;
mem->alloc_info.memoryTypeIndex = memory_type_index;
mem->properties = mem_prop_flags;
mem->notify = notify;
mem->user_data = user_data;
mem->vk_offset = 0;
g_mutex_init (&mem->lock);
props_str = _memory_properties_to_string (mem_prop_flags);
GST_CAT_DEBUG (GST_CAT_VULKAN_MEMORY, "new Vulkan memory:%p size:%"
G_GSIZE_FORMAT " properties:%s", mem, maxsize, props_str);
g_free (props_str);
}
static GstTestPhysMemory* gst_test_phys_mem_new_internal(GstTestPhysMemAllocator *phys_mem_alloc, GstMemory *parent, gsize maxsize, GstMemoryFlags flags, gsize align, gsize offset, gsize size)
{
GstTestPhysMemory *phys_mem;
phys_mem = g_slice_alloc(sizeof(GstTestPhysMemory));
if (phys_mem == NULL)
{
GST_ERROR_OBJECT(phys_mem_alloc, "could not allocate memory for physmem structure");
return NULL;
}
phys_mem->mapped_virt_addr = NULL;
phys_mem->phys_addr = 0;
phys_mem->mapping_refcount = 0;
phys_mem->internal = NULL;
//Initializes a newly allocated mem with the given parameters.
gst_memory_init(GST_MEMORY_CAST(phys_mem), flags, GST_ALLOCATOR_CAST(phys_mem_alloc), parent, maxsize, align, offset, size);
return phys_mem;
}
static GstDroidMediaBufferMemory *
gst_droid_media_buffer_allocator_alloc_from_buffer (GstAllocator * allocator,
DroidMediaBuffer * buffer, int format_index, gsize width, gsize height,
gsize stride)
{
GstDroidMediaBufferMemory *mem = g_slice_new0 (GstDroidMediaBufferMemory);
GstFormat format;
gsize padded_width = width;
gsize padded_height = height;
mem->buffer = buffer;
mem->map_data = NULL;
mem->map_flags = 0;
mem->map_count = 0;
if (format_index == GST_DROID_MEDIA_BUFFER_FORMAT_COUNT) {
format = GST_VIDEO_FORMAT_ENCODED;
} else {
format = gst_droid_media_buffer_formats[format_index].gst_format;
if (gst_droid_media_buffer_formats[format_index].bytes_per_pixel != 0) {
padded_width =
ALIGN_SIZE (stride,
gst_droid_media_buffer_formats[format_index].h_align) /
gst_droid_media_buffer_formats[format_index].bytes_per_pixel;
padded_height =
ALIGN_SIZE (height,
gst_droid_media_buffer_formats[format_index].v_align);
}
}
gst_video_info_set_format (&mem->video_info, format, padded_width,
padded_height);
mem->video_info.width = width;
mem->video_info.height = height;
gst_memory_init (GST_MEMORY_CAST (mem),
GST_MEMORY_FLAG_NO_SHARE, allocator, NULL, mem->video_info.size, 0, 0,
mem->video_info.size);
return mem;
}