static struct wl_cursor *
wl_cursor_create_from_xcursor_images(XcursorImages *images,
struct wl_cursor_theme *theme)
{
struct cursor *cursor;
struct cursor_image *image;
int i, size;
cursor = malloc(sizeof *cursor);
if (!cursor)
return NULL;
cursor->cursor.images =
malloc(images->nimage * sizeof cursor->cursor.images[0]);
if (!cursor->cursor.images) {
free(cursor);
return NULL;
}
cursor->cursor.name = strdup(images->name);
cursor->total_delay = 0;
for (i = 0; i < images->nimage; i++) {
image = malloc(sizeof *image);
if (image == NULL)
break;
image->theme = theme;
image->buffer = NULL;
image->image.width = images->images[i]->width;
image->image.height = images->images[i]->height;
image->image.hotspot_x = images->images[i]->xhot;
image->image.hotspot_y = images->images[i]->yhot;
image->image.delay = images->images[i]->delay;
size = image->image.width * image->image.height * 4;
image->offset = shm_pool_allocate(theme->pool, size);
if (image->offset < 0) {
free(image);
break;
}
/* copy pixels to shm pool */
memcpy(theme->pool->data + image->offset,
images->images[i]->pixels, size);
cursor->total_delay += image->image.delay;
cursor->cursor.images[i] = (struct wl_cursor_image *) image;
}
cursor->cursor.image_count = i;
if (cursor->cursor.image_count == 0) {
free(cursor->cursor.name);
free(cursor->cursor.images);
free(cursor);
return NULL;
}
return &cursor->cursor;
}
static struct wl_cursor *
wl_cursor_create_from_data(struct cursor_metadata *metadata,
struct wl_cursor_theme *theme)
{
struct cursor *cursor;
struct cursor_image *image;
int size;
cursor = malloc(sizeof *cursor);
if (!cursor)
return NULL;
cursor->cursor.image_count = 1;
cursor->cursor.images = malloc(sizeof *cursor->cursor.images);
if (!cursor->cursor.images)
goto err_free_cursor;
cursor->cursor.name = strdup(metadata->name);
cursor->total_delay = 0;
image = malloc(sizeof *image);
if (!image)
goto err_free_images;
cursor->cursor.images[0] = (struct wl_cursor_image *) image;
image->theme = theme;
image->buffer = NULL;
image->image.width = metadata->width;
image->image.height = metadata->height;
image->image.hotspot_x = metadata->hotspot_x;
image->image.hotspot_y = metadata->hotspot_y;
image->image.delay = 0;
size = metadata->width * metadata->height * sizeof(uint32_t);
image->offset = shm_pool_allocate(theme->pool, size);
if (image->offset < 0)
goto err_free_image;
memcpy(theme->pool->data + image->offset,
cursor_data + metadata->offset, size);
return &cursor->cursor;
err_free_image:
free(image);
err_free_images:
free(cursor->cursor.name);
free(cursor->cursor.images);
err_free_cursor:
free(cursor);
return NULL;
}
static GstWlMeta *
gst_buffer_add_wayland_meta (GstBuffer * buffer, GstWaylandBufferPool * wpool)
{
GstWlMeta *wmeta;
GstWaylandSink *sink;
void *data;
gint offset;
guint stride = 0;
guint size = 0;
sink = wpool->sink;
stride = wpool->width * 4;
size = stride * wpool->height;
wmeta = (GstWlMeta *) gst_buffer_add_meta (buffer, GST_WL_META_INFO, NULL);
wmeta->sink = gst_object_ref (sink);
/*Fixme: size calculation should be more grcefull, have to consider the padding */
if (!sink->shm_pool) {
sink->shm_pool = shm_pool_create (sink->display, size * 15);
shm_pool_reset (sink->shm_pool);
}
if (!sink->shm_pool) {
GST_ERROR ("Failed to create shm_pool");
return NULL;
}
data = shm_pool_allocate (sink->shm_pool, size, &offset);
if (!data)
return NULL;
wmeta->wbuffer = wl_shm_pool_create_buffer (sink->shm_pool->pool, offset,
sink->video_width, sink->video_height, stride, sink->format);
wmeta->data = data;
wmeta->size = size;
gst_buffer_append_memory (buffer,
gst_memory_new_wrapped (GST_MEMORY_FLAG_NO_SHARE, data,
size, 0, size, NULL, NULL));
return wmeta;
}
