diff options
Diffstat (limited to 'video/out/wayland/buffer.c')
-rw-r--r-- | video/out/wayland/buffer.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/video/out/wayland/buffer.c b/video/out/wayland/buffer.c deleted file mode 100644 index dce3ca4333..0000000000 --- a/video/out/wayland/buffer.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * This file is part of mpv video player. - * Copyright © 2014 Alexander Preisinger <alexander.preisinger@gmail.com> - * - * mpv is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * mpv is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with mpv. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "buffer.h" -#include "memfile.h" - -#include <unistd.h> -#include <sys/mman.h> - -int8_t format_get_bytes(const format_t *fmt) -{ - return mp_imgfmt_get_desc(fmt->mp_format).bytes[0]; -} - -shm_buffer_t* shm_buffer_create(uint32_t width, - uint32_t height, - format_t fmt, - struct wl_shm *shm, - const struct wl_buffer_listener *listener) -{ - int8_t bytes = format_get_bytes(&fmt); - uint32_t stride = SHM_BUFFER_STRIDE(width, bytes); - uint32_t size = stride * height; - - shm_buffer_t *buffer = calloc(1, sizeof(shm_buffer_t)); - int fd = memfile_create(size); - - if (fd < 0) { - free(buffer); - return NULL; - } - - buffer->data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - - if (buffer->data == MAP_FAILED) { - close(fd); - free(buffer); - return NULL; - } - - buffer->shm_pool = wl_shm_create_pool(shm, fd, size); - buffer->buffer = wl_shm_pool_create_buffer(buffer->shm_pool, - 0, width, height, stride, - fmt.wl_format); - - wl_buffer_add_listener(buffer->buffer, listener, buffer); - - buffer->fd = fd; - buffer->height = height; - buffer->stride = stride; - buffer->format = fmt; - buffer->bytes = bytes; - buffer->pool_size = size; - buffer->pending_height = 0; - buffer->pending_width = 0; - - return buffer; -} - -int shm_buffer_resize(shm_buffer_t *buffer, uint32_t width, uint32_t height) -{ - uint32_t new_stride = SHM_BUFFER_STRIDE(width, buffer->bytes); - uint32_t new_size = new_stride * height; - - if (SHM_BUFFER_IS_BUSY(buffer)) { - SHM_BUFFER_SET_PNDNG_RSZ(buffer); - buffer->pending_width = width; - buffer->pending_height = height; - return SHM_BUFFER_BUSY; - } - - SHM_BUFFER_CLEAR_PNDNG_RSZ(buffer); - - if (new_size > buffer->pool_size) { - munmap(buffer->data, buffer->pool_size); - ftruncate(buffer->fd, new_size); - - buffer->data = mmap(NULL, new_size, PROT_READ | PROT_WRITE, - MAP_SHARED, buffer->fd, 0); - - // TODO: the buffer should be destroyed when -1 is return - if (buffer->data == MAP_FAILED) - return -1; - - wl_shm_pool_resize(buffer->shm_pool, new_size); - buffer->pool_size = new_size; - } - - const void *listener = wl_proxy_get_listener((struct wl_proxy*)buffer->buffer); - - wl_buffer_destroy(buffer->buffer); - buffer->buffer = wl_shm_pool_create_buffer(buffer->shm_pool, - 0, width, height, new_stride, - buffer->format.wl_format); - - wl_buffer_add_listener(buffer->buffer, listener, buffer); - - buffer->height = height; - buffer->stride = new_stride; - - return 0; -} - -int shm_buffer_pending_resize(shm_buffer_t *buffer) -{ - if (SHM_BUFFER_PENDING_RESIZE(buffer)) { - SHM_BUFFER_CLEAR_PNDNG_RSZ(buffer); - return shm_buffer_resize(buffer, buffer->pending_width, buffer->pending_height); - } - else { - return 0; - } -} - -void shm_buffer_destroy(shm_buffer_t *buffer) -{ - if (!buffer) - return; - - wl_buffer_destroy(buffer->buffer); - wl_shm_pool_destroy(buffer->shm_pool); - munmap(buffer->data, buffer->pool_size); - close(buffer->fd); - free(buffer); -} |