| /* |
| * Copyright © 2019, VideoLAN and dav1d authors |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "vcs_version.h" |
| |
| #include <getopt.h> |
| #include <stdbool.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <SDL.h> |
| |
| #include "common/attributes.h" |
| |
| #include "dav1d/dav1d.h" |
| |
| #include "tools/input/input.h" |
| |
| /** |
| * Settings structure |
| * Hold all settings available for the player, |
| * this is usually filled by parsing arguments |
| * from the console. |
| */ |
| typedef struct { |
| const char *inputfile; |
| int highquality; |
| int untimed; |
| int zerocopy; |
| } Dav1dPlaySettings; |
| |
| #define WINDOW_WIDTH 910 |
| #define WINDOW_HEIGHT 512 |
| |
| #define DAV1D_EVENT_NEW_FRAME 1 |
| #define DAV1D_EVENT_DEC_QUIT 2 |
| |
| /* |
| * Fifo helper functions |
| */ |
| typedef struct dp_fifo |
| { |
| SDL_mutex *lock; |
| SDL_cond *cond_change; |
| size_t capacity; |
| size_t count; |
| void **entries; |
| } Dav1dPlayPtrFifo; |
| |
| static void dp_fifo_destroy(Dav1dPlayPtrFifo *fifo) |
| { |
| assert(fifo->count == 0); |
| SDL_DestroyMutex(fifo->lock); |
| SDL_DestroyCond(fifo->cond_change); |
| free(fifo->entries); |
| free(fifo); |
| } |
| |
| static Dav1dPlayPtrFifo *dp_fifo_create(size_t capacity) |
| { |
| Dav1dPlayPtrFifo *fifo; |
| |
| assert(capacity > 0); |
| if (capacity <= 0) |
| return NULL; |
| |
| fifo = malloc(sizeof(*fifo)); |
| if (fifo == NULL) |
| return NULL; |
| |
| fifo->capacity = capacity; |
| fifo->count = 0; |
| |
| fifo->lock = SDL_CreateMutex(); |
| if (fifo->lock == NULL) { |
| free(fifo); |
| return NULL; |
| } |
| fifo->cond_change = SDL_CreateCond(); |
| if (fifo->cond_change == NULL) { |
| SDL_DestroyMutex(fifo->lock); |
| free(fifo); |
| return NULL; |
| } |
| |
| fifo->entries = calloc(capacity, sizeof(void*)); |
| if (fifo->entries == NULL) { |
| dp_fifo_destroy(fifo); |
| return NULL; |
| } |
| |
| return fifo; |
| } |
| |
| static void dp_fifo_push(Dav1dPlayPtrFifo *fifo, void *element) |
| { |
| SDL_LockMutex(fifo->lock); |
| while (fifo->count == fifo->capacity) |
| SDL_CondWait(fifo->cond_change, fifo->lock); |
| fifo->entries[fifo->count++] = element; |
| if (fifo->count == 1) |
| SDL_CondSignal(fifo->cond_change); |
| SDL_UnlockMutex(fifo->lock); |
| } |
| |
| static void *dp_fifo_array_shift(void **arr, size_t len) |
| { |
| void *shifted_element = arr[0]; |
| for (size_t i = 1; i < len; ++i) |
| arr[i-1] = arr[i]; |
| return shifted_element; |
| } |
| |
| static void *dp_fifo_shift(Dav1dPlayPtrFifo *fifo) |
| { |
| SDL_LockMutex(fifo->lock); |
| while (fifo->count == 0) |
| SDL_CondWait(fifo->cond_change, fifo->lock); |
| void *res = dp_fifo_array_shift(fifo->entries, fifo->count--); |
| if (fifo->count == fifo->capacity - 1) |
| SDL_CondSignal(fifo->cond_change); |
| SDL_UnlockMutex(fifo->lock); |
| return res; |
| } |
| |
| /** |
| * Renderer info |
| */ |
| typedef struct rdr_info |
| { |
| // Cookie passed to the renderer implementation callbacks |
| void *cookie; |
| // Callback to create the renderer |
| void* (*create_renderer)(void *data); |
| // Callback to destroy the renderer |
| void (*destroy_renderer)(void *cookie); |
| // Callback to the render function that renders a prevously sent frame |
| void (*render)(void *cookie, const Dav1dPlaySettings *settings); |
| // Callback to the send frame function |
| int (*update_frame)(void *cookie, Dav1dPicture *dav1d_pic, |
| const Dav1dPlaySettings *settings); |
| // Callback for alloc/release pictures (optional) |
| int (*alloc_pic)(Dav1dPicture *pic, void *cookie); |
| void (*release_pic)(Dav1dPicture *pic, void *cookie); |
| } Dav1dPlayRenderInfo; |
| |
| #ifdef HAVE_PLACEBO_VULKAN |
| |
| #include <libplacebo/renderer.h> |
| #include <libplacebo/utils/upload.h> |
| #include <libplacebo/vulkan.h> |
| #include <SDL_vulkan.h> |
| |
| |
| /** |
| * Renderer context for libplacebo |
| */ |
| typedef struct renderer_priv_ctx |
| { |
| // Placebo context |
| struct pl_context *ctx; |
| // Placebo renderer |
| struct pl_renderer *renderer; |
| // Placebo Vulkan handle |
| const struct pl_vulkan *vk; |
| // Placebo Vulkan instance |
| const struct pl_vk_inst *vk_inst; |
| // Vulkan surface |
| VkSurfaceKHR surf; |
| // Placebo swapchain |
| const struct pl_swapchain *swapchain; |
| // Lock protecting access to the texture |
| SDL_mutex *lock; |
| // Planes to render |
| struct pl_plane y_plane; |
| struct pl_plane u_plane; |
| struct pl_plane v_plane; |
| // Textures to render |
| const struct pl_tex *y_tex; |
| const struct pl_tex *u_tex; |
| const struct pl_tex *v_tex; |
| } Dav1dPlayRendererPrivateContext; |
| |
| static void *placebo_renderer_create(void *data) |
| { |
| // Alloc |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = malloc(sizeof(Dav1dPlayRendererPrivateContext)); |
| if (rd_priv_ctx == NULL) { |
| return NULL; |
| } |
| |
| // Init libplacebo |
| rd_priv_ctx->ctx = pl_context_create(PL_API_VER, &(struct pl_context_params) { |
| .log_cb = pl_log_color, |
| #ifndef NDEBUG |
| .log_level = PL_LOG_DEBUG, |
| #else |
| .log_level = PL_LOG_WARN, |
| #endif |
| }); |
| if (rd_priv_ctx->ctx == NULL) { |
| free(rd_priv_ctx); |
| return NULL; |
| } |
| |
| // Create Mutex |
| rd_priv_ctx->lock = SDL_CreateMutex(); |
| if (rd_priv_ctx->lock == NULL) { |
| fprintf(stderr, "SDL_CreateMutex failed: %s\n", SDL_GetError()); |
| pl_context_destroy(&(rd_priv_ctx->ctx)); |
| free(rd_priv_ctx); |
| return NULL; |
| } |
| |
| // Init Vulkan |
| struct pl_vk_inst_params iparams = pl_vk_inst_default_params; |
| |
| SDL_Window *sdlwin = data; |
| |
| unsigned num = 0; |
| if (!SDL_Vulkan_GetInstanceExtensions(sdlwin, &num, NULL)) { |
| fprintf(stderr, "Failed enumerating Vulkan extensions: %s\n", SDL_GetError()); |
| exit(1); |
| } |
| |
| iparams.extensions = malloc(num * sizeof(const char *)); |
| iparams.num_extensions = num; |
| assert(iparams.extensions); |
| |
| SDL_bool ok = SDL_Vulkan_GetInstanceExtensions(sdlwin, &num, iparams.extensions); |
| if (!ok) { |
| fprintf(stderr, "Failed getting Vk instance extensions\n"); |
| exit(1); |
| } |
| |
| if (num > 0) { |
| printf("Requesting %d additional Vulkan extensions:\n", num); |
| for (unsigned i = 0; i < num; i++) |
| printf(" %s\n", iparams.extensions[i]); |
| } |
| |
| rd_priv_ctx->vk_inst = pl_vk_inst_create(rd_priv_ctx->ctx, &iparams); |
| if (!rd_priv_ctx->vk_inst) { |
| fprintf(stderr, "Failed creating Vulkan instance!\n"); |
| exit(1); |
| } |
| free(iparams.extensions); |
| |
| if (!SDL_Vulkan_CreateSurface(sdlwin, rd_priv_ctx->vk_inst->instance, &rd_priv_ctx->surf)) { |
| fprintf(stderr, "Failed creating vulkan surface: %s\n", SDL_GetError()); |
| exit(1); |
| } |
| |
| struct pl_vulkan_params params = pl_vulkan_default_params; |
| params.instance = rd_priv_ctx->vk_inst->instance; |
| params.surface = rd_priv_ctx->surf; |
| params.allow_software = true; |
| |
| rd_priv_ctx->vk = pl_vulkan_create(rd_priv_ctx->ctx, ¶ms); |
| if (!rd_priv_ctx->vk) { |
| fprintf(stderr, "Failed creating vulkan device!\n"); |
| exit(2); |
| } |
| |
| // Create swapchain |
| rd_priv_ctx->swapchain = pl_vulkan_create_swapchain(rd_priv_ctx->vk, |
| &(struct pl_vulkan_swapchain_params) { |
| .surface = rd_priv_ctx->surf, |
| .present_mode = VK_PRESENT_MODE_IMMEDIATE_KHR, |
| }); |
| |
| if (!rd_priv_ctx->swapchain) { |
| fprintf(stderr, "Failed creating vulkan swapchain!\n"); |
| exit(2); |
| } |
| |
| int w = WINDOW_WIDTH, h = WINDOW_HEIGHT; |
| if (!pl_swapchain_resize(rd_priv_ctx->swapchain, &w, &h)) { |
| fprintf(stderr, "Failed resizing vulkan swapchain!\n"); |
| exit(2); |
| } |
| |
| if (w != WINDOW_WIDTH || h != WINDOW_HEIGHT) |
| printf("Note: window dimensions differ (got %dx%d)\n", w, h); |
| |
| rd_priv_ctx->y_tex = NULL; |
| rd_priv_ctx->u_tex = NULL; |
| rd_priv_ctx->v_tex = NULL; |
| |
| rd_priv_ctx->renderer = NULL; |
| |
| return rd_priv_ctx; |
| } |
| |
| static void placebo_renderer_destroy(void *cookie) |
| { |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = cookie; |
| assert(rd_priv_ctx != NULL); |
| |
| pl_renderer_destroy(&(rd_priv_ctx->renderer)); |
| pl_tex_destroy(rd_priv_ctx->vk->gpu, &(rd_priv_ctx->y_tex)); |
| pl_tex_destroy(rd_priv_ctx->vk->gpu, &(rd_priv_ctx->u_tex)); |
| pl_tex_destroy(rd_priv_ctx->vk->gpu, &(rd_priv_ctx->v_tex)); |
| pl_swapchain_destroy(&(rd_priv_ctx->swapchain)); |
| pl_vulkan_destroy(&(rd_priv_ctx->vk)); |
| vkDestroySurfaceKHR(rd_priv_ctx->vk_inst->instance, rd_priv_ctx->surf, NULL); |
| pl_vk_inst_destroy(&(rd_priv_ctx->vk_inst)); |
| pl_context_destroy(&(rd_priv_ctx->ctx)); |
| } |
| |
| static void placebo_render(void *cookie, const Dav1dPlaySettings *settings) |
| { |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = cookie; |
| assert(rd_priv_ctx != NULL); |
| |
| SDL_LockMutex(rd_priv_ctx->lock); |
| if (rd_priv_ctx->y_tex == NULL) { |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return; |
| } |
| |
| // Prepare rendering |
| if (rd_priv_ctx->renderer == NULL) { |
| rd_priv_ctx->renderer = pl_renderer_create(rd_priv_ctx->ctx, rd_priv_ctx->vk->gpu); |
| } |
| |
| struct pl_swapchain_frame frame; |
| bool ok = pl_swapchain_start_frame(rd_priv_ctx->swapchain, &frame); |
| if (!ok) { |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return; |
| } |
| |
| const struct pl_tex *img = rd_priv_ctx->y_plane.texture; |
| struct pl_image image = { |
| .num_planes = 3, |
| .planes = { rd_priv_ctx->y_plane, rd_priv_ctx->u_plane, rd_priv_ctx->v_plane }, |
| .repr = pl_color_repr_hdtv, |
| .color = pl_color_space_unknown, |
| .width = img->params.w, |
| .height = img->params.h, |
| }; |
| |
| struct pl_render_params render_params = {0}; |
| if (settings->highquality) |
| render_params = pl_render_default_params; |
| |
| struct pl_render_target target; |
| pl_render_target_from_swapchain(&target, &frame); |
| target.profile = (struct pl_icc_profile) { |
| .data = NULL, |
| .len = 0, |
| }; |
| |
| if (!pl_render_image(rd_priv_ctx->renderer, &image, &target, &render_params)) { |
| fprintf(stderr, "Failed rendering frame!\n"); |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return; |
| } |
| |
| ok = pl_swapchain_submit_frame(rd_priv_ctx->swapchain); |
| if (!ok) { |
| fprintf(stderr, "Failed submitting frame!\n"); |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return; |
| } |
| |
| pl_swapchain_swap_buffers(rd_priv_ctx->swapchain); |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| } |
| |
| static int placebo_upload_planes(void *cookie, Dav1dPicture *dav1d_pic, |
| const Dav1dPlaySettings *settings) |
| { |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = cookie; |
| assert(rd_priv_ctx != NULL); |
| |
| SDL_LockMutex(rd_priv_ctx->lock); |
| |
| if (dav1d_pic == NULL) { |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return 0; |
| } |
| |
| int width = dav1d_pic->p.w; |
| int height = dav1d_pic->p.h; |
| |
| enum Dav1dPixelLayout dav1d_layout = dav1d_pic->p.layout; |
| |
| if (DAV1D_PIXEL_LAYOUT_I420 != dav1d_layout || dav1d_pic->p.bpc != 8) { |
| fprintf(stderr, "Unsupported pixel format, only 8bit 420 supported so far.\n"); |
| exit(50); |
| } |
| |
| struct pl_plane_data data_y = { |
| .type = PL_FMT_UNORM, |
| .width = width, |
| .height = height, |
| .pixel_stride = 1, |
| .row_stride = dav1d_pic->stride[0], |
| .component_size = {8}, |
| .component_map = {0}, |
| }; |
| |
| struct pl_plane_data data_u = { |
| .type = PL_FMT_UNORM, |
| .width = width/2, |
| .height = height/2, |
| .pixel_stride = 1, |
| .row_stride = dav1d_pic->stride[1], |
| .component_size = {8}, |
| .component_map = {1}, |
| }; |
| |
| struct pl_plane_data data_v = { |
| .type = PL_FMT_UNORM, |
| .width = width/2, |
| .height = height/2, |
| .pixel_stride = 1, |
| .row_stride = dav1d_pic->stride[1], |
| .component_size = {8}, |
| .component_map = {2}, |
| }; |
| |
| if (settings->zerocopy) { |
| const struct pl_buf *buf = dav1d_pic->allocator_data; |
| assert(buf); |
| data_y.buf = data_u.buf = data_v.buf = buf; |
| data_y.buf_offset = (uintptr_t) dav1d_pic->data[0] - (uintptr_t) buf->data; |
| data_u.buf_offset = (uintptr_t) dav1d_pic->data[1] - (uintptr_t) buf->data; |
| data_v.buf_offset = (uintptr_t) dav1d_pic->data[2] - (uintptr_t) buf->data; |
| } else { |
| data_y.pixels = dav1d_pic->data[0]; |
| data_u.pixels = dav1d_pic->data[1]; |
| data_v.pixels = dav1d_pic->data[2]; |
| } |
| |
| bool ok = true; |
| ok &= pl_upload_plane(rd_priv_ctx->vk->gpu, &(rd_priv_ctx->y_plane), &(rd_priv_ctx->y_tex), &data_y); |
| ok &= pl_upload_plane(rd_priv_ctx->vk->gpu, &(rd_priv_ctx->u_plane), &(rd_priv_ctx->u_tex), &data_u); |
| ok &= pl_upload_plane(rd_priv_ctx->vk->gpu, &(rd_priv_ctx->v_plane), &(rd_priv_ctx->v_tex), &data_v); |
| |
| pl_chroma_location_offset(PL_CHROMA_LEFT, &rd_priv_ctx->u_plane.shift_x, &rd_priv_ctx->u_plane.shift_y); |
| pl_chroma_location_offset(PL_CHROMA_LEFT, &rd_priv_ctx->v_plane.shift_x, &rd_priv_ctx->v_plane.shift_y); |
| |
| if (!ok) { |
| fprintf(stderr, "Failed uploading planes!\n"); |
| } |
| |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return !ok; |
| } |
| |
| // Align to power of 2 |
| #define ALIGN2(x, align) (((x) + (align) - 1) & ~((align) - 1)) |
| |
| static int placebo_alloc_pic(Dav1dPicture *const p, void *cookie) |
| { |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = cookie; |
| assert(rd_priv_ctx != NULL); |
| SDL_LockMutex(rd_priv_ctx->lock); |
| |
| const struct pl_gpu *gpu = rd_priv_ctx->vk->gpu; |
| int ret = DAV1D_ERR(ENOMEM); |
| |
| // Copied from dav1d_default_picture_alloc |
| const int hbd = p->p.bpc > 8; |
| const int aligned_w = ALIGN2(p->p.w, 128); |
| const int aligned_h = ALIGN2(p->p.h, 128); |
| const int has_chroma = p->p.layout != DAV1D_PIXEL_LAYOUT_I400; |
| const int ss_ver = p->p.layout == DAV1D_PIXEL_LAYOUT_I420; |
| const int ss_hor = p->p.layout != DAV1D_PIXEL_LAYOUT_I444; |
| p->stride[0] = aligned_w << hbd; |
| p->stride[1] = has_chroma ? (aligned_w >> ss_hor) << hbd : 0; |
| |
| // Align strides up to multiples of the GPU performance hints |
| p->stride[0] = ALIGN2(p->stride[0], gpu->limits.align_tex_xfer_stride); |
| p->stride[1] = ALIGN2(p->stride[1], gpu->limits.align_tex_xfer_stride); |
| |
| // Aligning offsets to 4 also implicity aligns to the texel size (1 or 2) |
| size_t off_align = ALIGN2(gpu->limits.align_tex_xfer_offset, 4); |
| const size_t y_sz = ALIGN2(p->stride[0] * aligned_h, off_align); |
| const size_t uv_sz = ALIGN2(p->stride[1] * (aligned_h >> ss_ver), off_align); |
| |
| // The extra DAV1D_PICTURE_ALIGNMENTs are to brute force plane alignment, |
| // even in the case that the driver gives us insane alignments |
| const size_t pic_size = y_sz + 2 * uv_sz; |
| const size_t total_size = pic_size + DAV1D_PICTURE_ALIGNMENT * 4; |
| |
| // Validate size limitations |
| if (total_size > gpu->limits.max_xfer_size) { |
| printf("alloc of %zu bytes exceeds limits\n", total_size); |
| goto err; |
| } |
| |
| const struct pl_buf *buf = pl_buf_create(gpu, &(struct pl_buf_params) { |
| .type = PL_BUF_TEX_TRANSFER, |
| .host_mapped = true, |
| .size = total_size, |
| .memory_type = PL_BUF_MEM_HOST, |
| .user_data = p, |
| }); |
| |
| if (!buf) { |
| printf("alloc of GPU mapped buffer failed\n"); |
| goto err; |
| } |
| |
| assert(buf->data); |
| uintptr_t base = (uintptr_t) buf->data, data[3]; |
| data[0] = ALIGN2(base, DAV1D_PICTURE_ALIGNMENT); |
| data[1] = ALIGN2(data[0] + y_sz, DAV1D_PICTURE_ALIGNMENT); |
| data[2] = ALIGN2(data[1] + uv_sz, DAV1D_PICTURE_ALIGNMENT); |
| |
| // Sanity check offset alignment for the sake of debugging |
| if (data[0] - base != ALIGN2(data[0] - base, off_align) || |
| data[1] - base != ALIGN2(data[1] - base, off_align) || |
| data[2] - base != ALIGN2(data[2] - base, off_align)) |
| { |
| printf("GPU buffer horribly misaligned, expect slowdown!\n"); |
| } |
| |
| p->allocator_data = (void *) buf; |
| p->data[0] = (void *) data[0]; |
| p->data[1] = (void *) data[1]; |
| p->data[2] = (void *) data[2]; |
| ret = 0; |
| |
| // fall through |
| err: |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return ret; |
| } |
| |
| static void placebo_release_pic(Dav1dPicture *pic, void *cookie) |
| { |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = cookie; |
| assert(rd_priv_ctx != NULL); |
| assert(pic->allocator_data); |
| |
| SDL_LockMutex(rd_priv_ctx->lock); |
| const struct pl_gpu *gpu = rd_priv_ctx->vk->gpu; |
| pl_buf_destroy(gpu, (const struct pl_buf **) &pic->allocator_data); |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| } |
| |
| static const Dav1dPlayRenderInfo renderer_info = { |
| .create_renderer = placebo_renderer_create, |
| .destroy_renderer = placebo_renderer_destroy, |
| .render = placebo_render, |
| .update_frame = placebo_upload_planes, |
| .alloc_pic = placebo_alloc_pic, |
| .release_pic = placebo_release_pic, |
| }; |
| |
| #else |
| |
| /** |
| * Renderer context for SDL |
| */ |
| typedef struct renderer_priv_ctx |
| { |
| // SDL renderer |
| SDL_Renderer *renderer; |
| // Lock protecting access to the texture |
| SDL_mutex *lock; |
| // Texture to render |
| SDL_Texture *tex; |
| } Dav1dPlayRendererPrivateContext; |
| |
| static void *sdl_renderer_create(void *data) |
| { |
| SDL_Window *win = data; |
| |
| // Alloc |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = malloc(sizeof(Dav1dPlayRendererPrivateContext)); |
| if (rd_priv_ctx == NULL) { |
| return NULL; |
| } |
| |
| // Create renderer |
| rd_priv_ctx->renderer = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED); |
| // Set scale quality |
| SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); |
| |
| // Create Mutex |
| rd_priv_ctx->lock = SDL_CreateMutex(); |
| if (rd_priv_ctx->lock == NULL) { |
| fprintf(stderr, "SDL_CreateMutex failed: %s\n", SDL_GetError()); |
| free(rd_priv_ctx); |
| return NULL; |
| } |
| |
| rd_priv_ctx->tex = NULL; |
| |
| return rd_priv_ctx; |
| } |
| |
| static void sdl_renderer_destroy(void *cookie) |
| { |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = cookie; |
| assert(rd_priv_ctx != NULL); |
| |
| SDL_DestroyRenderer(rd_priv_ctx->renderer); |
| SDL_DestroyMutex(rd_priv_ctx->lock); |
| free(rd_priv_ctx); |
| } |
| |
| static void sdl_render(void *cookie, const Dav1dPlaySettings *settings) |
| { |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = cookie; |
| assert(rd_priv_ctx != NULL); |
| |
| SDL_LockMutex(rd_priv_ctx->lock); |
| |
| if (rd_priv_ctx->tex == NULL) { |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return; |
| } |
| |
| // Display the frame |
| SDL_RenderClear(rd_priv_ctx->renderer); |
| SDL_RenderCopy(rd_priv_ctx->renderer, rd_priv_ctx->tex, NULL, NULL); |
| SDL_RenderPresent(rd_priv_ctx->renderer); |
| |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| } |
| |
| static int sdl_update_texture(void *cookie, Dav1dPicture *dav1d_pic, |
| const Dav1dPlaySettings *settings) |
| { |
| Dav1dPlayRendererPrivateContext *rd_priv_ctx = cookie; |
| assert(rd_priv_ctx != NULL); |
| |
| SDL_LockMutex(rd_priv_ctx->lock); |
| |
| if (dav1d_pic == NULL) { |
| rd_priv_ctx->tex = NULL; |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return 0; |
| } |
| |
| int width = dav1d_pic->p.w; |
| int height = dav1d_pic->p.h; |
| int tex_w = width; |
| int tex_h = height; |
| |
| enum Dav1dPixelLayout dav1d_layout = dav1d_pic->p.layout; |
| |
| if (DAV1D_PIXEL_LAYOUT_I420 != dav1d_layout || dav1d_pic->p.bpc != 8) { |
| fprintf(stderr, "Unsupported pixel format, only 8bit 420 supported so far.\n"); |
| exit(50); |
| } |
| |
| SDL_Texture *texture = rd_priv_ctx->tex; |
| if (texture != NULL) { |
| SDL_QueryTexture(texture, NULL, NULL, &tex_w, &tex_h); |
| if (tex_w != width || tex_h != height) { |
| SDL_DestroyTexture(texture); |
| texture = NULL; |
| } |
| } |
| |
| if (texture == NULL) { |
| texture = SDL_CreateTexture(rd_priv_ctx->renderer, SDL_PIXELFORMAT_IYUV, |
| SDL_TEXTUREACCESS_STREAMING, width, height); |
| } |
| |
| SDL_UpdateYUVTexture(texture, NULL, |
| dav1d_pic->data[0], (int)dav1d_pic->stride[0], // Y |
| dav1d_pic->data[1], (int)dav1d_pic->stride[1], // U |
| dav1d_pic->data[2], (int)dav1d_pic->stride[1] // V |
| ); |
| |
| rd_priv_ctx->tex = texture; |
| SDL_UnlockMutex(rd_priv_ctx->lock); |
| return 0; |
| } |
| |
| static const Dav1dPlayRenderInfo renderer_info = { |
| .create_renderer = sdl_renderer_create, |
| .destroy_renderer = sdl_renderer_destroy, |
| .render = sdl_render, |
| .update_frame = sdl_update_texture |
| }; |
| |
| #endif |
| |
| /** |
| * Render context structure |
| * This structure contains informations necessary |
| * to be shared between the decoder and the renderer |
| * threads. |
| */ |
| typedef struct render_context |
| { |
| Dav1dPlaySettings settings; |
| Dav1dSettings lib_settings; |
| |
| // Renderer callbacks |
| Dav1dPlayRenderInfo *renderer_info; |
| // Renderer private data (passed to callbacks) |
| void *rd_priv; |
| |
| // Lock to protect access to the context structure |
| SDL_mutex *lock; |
| |
| // Timestamp of previous decoded frame |
| int64_t last_pts; |
| // Timestamp of current decoded frame |
| int64_t current_pts; |
| // Ticks when last frame was received |
| uint32_t last_ticks; |
| // PTS time base |
| double timebase; |
| |
| // Fifo |
| Dav1dPlayPtrFifo *fifo; |
| |
| // Custom SDL2 event type |
| uint32_t renderer_event_type; |
| |
| // Indicates if termination of the decoder thread was requested |
| uint8_t dec_should_terminate; |
| } Dav1dPlayRenderContext; |
| |
| static void dp_settings_print_usage(const char *const app, |
| const char *const reason, ...) |
| { |
| if (reason) { |
| va_list args; |
| |
| va_start(args, reason); |
| vfprintf(stderr, reason, args); |
| va_end(args); |
| fprintf(stderr, "\n\n"); |
| } |
| fprintf(stderr, "Usage: %s [options]\n\n", app); |
| fprintf(stderr, "Supported options:\n" |
| " --input/-i $file: input file\n" |
| " --untimed/-u: ignore PTS, render as fast as possible\n" |
| " --framethreads $num: number of frame threads (default: 1)\n" |
| " --tilethreads $num: number of tile threads (default: 1)\n" |
| " --highquality: enable high quality rendering\n" |
| " --zerocopy/-z: enable zero copy upload path\n" |
| " --version/-v: print version and exit\n"); |
| exit(1); |
| } |
| |
| static unsigned parse_unsigned(const char *const optarg, const int option, |
| const char *const app) |
| { |
| char *end; |
| const unsigned res = (unsigned) strtoul(optarg, &end, 0); |
| if (*end || end == optarg) |
| dp_settings_print_usage(app, "Invalid argument \"%s\" for option %s; should be an integer", |
| optarg, option); |
| return res; |
| } |
| |
| static void dp_rd_ctx_parse_args(Dav1dPlayRenderContext *rd_ctx, |
| const int argc, char *const *const argv) |
| { |
| int o; |
| Dav1dPlaySettings *settings = &rd_ctx->settings; |
| Dav1dSettings *lib_settings = &rd_ctx->lib_settings; |
| |
| // Short options |
| static const char short_opts[] = "i:vuz"; |
| |
| enum { |
| ARG_FRAME_THREADS = 256, |
| ARG_TILE_THREADS, |
| ARG_HIGH_QUALITY, |
| }; |
| |
| // Long options |
| static const struct option long_opts[] = { |
| { "input", 1, NULL, 'i' }, |
| { "version", 0, NULL, 'v' }, |
| { "untimed", 0, NULL, 'u' }, |
| { "framethreads", 1, NULL, ARG_FRAME_THREADS }, |
| { "tilethreads", 1, NULL, ARG_TILE_THREADS }, |
| { "highquality", 0, NULL, ARG_HIGH_QUALITY }, |
| { "zerocopy", 0, NULL, 'z' }, |
| { NULL, 0, NULL, 0 }, |
| }; |
| |
| while ((o = getopt_long(argc, argv, short_opts, long_opts, NULL)) != -1) { |
| switch (o) { |
| case 'i': |
| settings->inputfile = optarg; |
| break; |
| case 'v': |
| fprintf(stderr, "%s\n", dav1d_version()); |
| exit(0); |
| case 'u': |
| settings->untimed = true; |
| break; |
| case ARG_HIGH_QUALITY: |
| settings->highquality = true; |
| #ifndef HAVE_PLACEBO_VULKAN |
| fprintf(stderr, "warning: --highquality requires libplacebo\n"); |
| #endif |
| break; |
| case 'z': |
| settings->zerocopy = true; |
| #ifndef HAVE_PLACEBO_VULKAN |
| fprintf(stderr, "warning: --zerocopy requires libplacebo\n"); |
| #endif |
| break; |
| case ARG_FRAME_THREADS: |
| lib_settings->n_frame_threads = |
| parse_unsigned(optarg, ARG_FRAME_THREADS, argv[0]); |
| break; |
| case ARG_TILE_THREADS: |
| lib_settings->n_tile_threads = |
| parse_unsigned(optarg, ARG_TILE_THREADS, argv[0]); |
| break; |
| default: |
| dp_settings_print_usage(argv[0], NULL); |
| } |
| } |
| |
| if (optind < argc) |
| dp_settings_print_usage(argv[0], |
| "Extra/unused arguments found, e.g. '%s'\n", argv[optind]); |
| if (!settings->inputfile) |
| dp_settings_print_usage(argv[0], "Input file (-i/--input) is required"); |
| } |
| |
| /** |
| * Destroy a Dav1dPlayRenderContext |
| */ |
| static void dp_rd_ctx_destroy(Dav1dPlayRenderContext *rd_ctx) |
| { |
| assert(rd_ctx != NULL); |
| |
| renderer_info.destroy_renderer(rd_ctx->rd_priv); |
| dp_fifo_destroy(rd_ctx->fifo); |
| SDL_DestroyMutex(rd_ctx->lock); |
| free(rd_ctx); |
| } |
| |
| /** |
| * Create a Dav1dPlayRenderContext |
| * |
| * \note The Dav1dPlayRenderContext must be destroyed |
| * again by using dp_rd_ctx_destroy. |
| */ |
| static Dav1dPlayRenderContext *dp_rd_ctx_create(void *rd_data) |
| { |
| Dav1dPlayRenderContext *rd_ctx; |
| |
| // Alloc |
| rd_ctx = malloc(sizeof(Dav1dPlayRenderContext)); |
| if (rd_ctx == NULL) { |
| return NULL; |
| } |
| |
| // Register a custom event to notify our SDL main thread |
| // about new frames |
| rd_ctx->renderer_event_type = SDL_RegisterEvents(1); |
| if (rd_ctx->renderer_event_type == UINT32_MAX) { |
| fprintf(stderr, "Failure to create custom SDL event type!\n"); |
| free(rd_ctx); |
| return NULL; |
| } |
| |
| rd_ctx->fifo = dp_fifo_create(5); |
| if (rd_ctx->fifo == NULL) { |
| fprintf(stderr, "Failed to create FIFO for output pictures!\n"); |
| free(rd_ctx); |
| return NULL; |
| } |
| |
| rd_ctx->lock = SDL_CreateMutex(); |
| if (rd_ctx->lock == NULL) { |
| fprintf(stderr, "SDL_CreateMutex failed: %s\n", SDL_GetError()); |
| dp_fifo_destroy(rd_ctx->fifo); |
| free(rd_ctx); |
| return NULL; |
| } |
| |
| rd_ctx->rd_priv = renderer_info.create_renderer(rd_data); |
| if (rd_ctx->rd_priv == NULL) { |
| SDL_DestroyMutex(rd_ctx->lock); |
| dp_fifo_destroy(rd_ctx->fifo); |
| free(rd_ctx); |
| return NULL; |
| } |
| |
| dav1d_default_settings(&rd_ctx->lib_settings); |
| memset(&rd_ctx->settings, 0, sizeof(rd_ctx->settings)); |
| |
| rd_ctx->last_pts = 0; |
| rd_ctx->last_ticks = 0; |
| rd_ctx->current_pts = 0; |
| rd_ctx->timebase = 0; |
| rd_ctx->dec_should_terminate = 0; |
| |
| return rd_ctx; |
| } |
| |
| /** |
| * Notify about new available frame |
| */ |
| static void dp_rd_ctx_post_event(Dav1dPlayRenderContext *rd_ctx, uint32_t code) |
| { |
| SDL_Event event; |
| SDL_zero(event); |
| event.type = rd_ctx->renderer_event_type; |
| event.user.code = code; |
| SDL_PushEvent(&event); |
| } |
| |
| /** |
| * Update the decoder context with a new dav1d picture |
| * |
| * Once the decoder decoded a new picture, this call can be used |
| * to update the internal texture of the render context with the |
| * new picture. |
| */ |
| static void dp_rd_ctx_update_with_dav1d_picture(Dav1dPlayRenderContext *rd_ctx, |
| Dav1dPicture *dav1d_pic) |
| { |
| renderer_info.update_frame(rd_ctx->rd_priv, dav1d_pic, &rd_ctx->settings); |
| rd_ctx->current_pts = dav1d_pic->m.timestamp; |
| } |
| |
| /** |
| * Terminate decoder thread (async) |
| */ |
| static void dp_rd_ctx_request_shutdown(Dav1dPlayRenderContext *rd_ctx) |
| { |
| SDL_LockMutex(rd_ctx->lock); |
| rd_ctx->dec_should_terminate = 1; |
| SDL_UnlockMutex(rd_ctx->lock); |
| } |
| |
| /** |
| * Query state of decoder shutdown request |
| */ |
| static int dp_rd_ctx_should_terminate(Dav1dPlayRenderContext *rd_ctx) |
| { |
| int ret = 0; |
| SDL_LockMutex(rd_ctx->lock); |
| ret = rd_ctx->dec_should_terminate; |
| SDL_UnlockMutex(rd_ctx->lock); |
| return ret; |
| } |
| |
| /** |
| * Render the currently available texture |
| * |
| * Renders the currently available texture, if any. |
| */ |
| static void dp_rd_ctx_render(Dav1dPlayRenderContext *rd_ctx) |
| { |
| // Calculate time since last frame was received |
| uint32_t ticks_now = SDL_GetTicks(); |
| uint32_t ticks_diff = (rd_ctx->last_ticks != 0) ? ticks_now - rd_ctx->last_ticks : 0; |
| |
| // Calculate when to display the frame |
| int64_t pts_diff = rd_ctx->current_pts - rd_ctx->last_pts; |
| int32_t wait_time = (pts_diff * rd_ctx->timebase) * 1000 - ticks_diff; |
| rd_ctx->last_pts = rd_ctx->current_pts; |
| |
| // In untimed mode, simply don't wait |
| if (rd_ctx->settings.untimed) |
| wait_time = 0; |
| |
| // This way of timing the playback is not accurate, as there is no guarantee |
| // that SDL_Delay will wait for exactly the requested amount of time so in a |
| // accurate player this would need to be done in a better way. |
| if (wait_time > 0) { |
| SDL_Delay(wait_time); |
| } else if (wait_time < -10) { // Do not warn for minor time drifts |
| fprintf(stderr, "Frame displayed %f seconds too late\n", wait_time/(float)1000); |
| } |
| |
| renderer_info.render(rd_ctx->rd_priv, &rd_ctx->settings); |
| |
| rd_ctx->last_ticks = SDL_GetTicks(); |
| } |
| |
| /* Decoder thread "main" function */ |
| static int decoder_thread_main(void *cookie) |
| { |
| Dav1dPlayRenderContext *rd_ctx = cookie; |
| |
| Dav1dPicture *p; |
| Dav1dContext *c = NULL; |
| Dav1dData data; |
| DemuxerContext *in_ctx = NULL; |
| int res = 0; |
| unsigned n_out = 0, total, timebase[2], fps[2]; |
| |
| // Store current ticks for stats calculation |
| uint32_t decoder_start = SDL_GetTicks(); |
| |
| Dav1dPlaySettings settings = rd_ctx->settings; |
| |
| // Init dav1d tools demuxers |
| init_demuxers(); |
| |
| if ((res = input_open(&in_ctx, "ivf", |
| settings.inputfile, |
| fps, &total, timebase)) < 0) |
| { |
| fprintf(stderr, "Failed to open demuxer\n"); |
| res = 1; |
| goto cleanup; |
| } |
| |
| double timebase_d = timebase[1]/(double)timebase[0]; |
| rd_ctx->timebase = timebase_d; |
| |
| if ((res = dav1d_open(&c, &rd_ctx->lib_settings))) { |
| fprintf(stderr, "Failed opening dav1d decoder\n"); |
| res = 1; |
| goto cleanup; |
| } |
| |
| if ((res = input_read(in_ctx, &data)) < 0) { |
| fprintf(stderr, "Failed demuxing input\n"); |
| res = 1; |
| goto cleanup; |
| } |
| |
| // Decoder loop |
| do { |
| if (dp_rd_ctx_should_terminate(rd_ctx)) |
| break; |
| |
| // Send data packets we got from the demuxer to dav1d |
| if ((res = dav1d_send_data(c, &data)) < 0) { |
| // On EAGAIN, dav1d can not consume more data and |
| // dav1d_get_picture needs to be called first, which |
| // will happen below, so just keep going in that case |
| // and do not error out. |
| if (res != DAV1D_ERR(EAGAIN)) { |
| dav1d_data_unref(&data); |
| fprintf(stderr, "Error decoding frame: %s\n", |
| strerror(-res)); |
| break; |
| } |
| } |
| |
| p = calloc(1, sizeof(*p)); |
| |
| // Try to get a decoded frame |
| if ((res = dav1d_get_picture(c, p)) < 0) { |
| // In all error cases, even EAGAIN, p needs to be freed as |
| // it is never added to the queue and would leak. |
| free(p); |
| |
| // On EAGAIN, it means dav1d has not enough data to decode |
| // therefore this is not a decoding error but just means |
| // we need to feed it more data, which happens in the next |
| // run of this decoder loop. |
| if (res != DAV1D_ERR(EAGAIN)) { |
| fprintf(stderr, "Error decoding frame: %s\n", |
| strerror(-res)); |
| break; |
| } |
| res = 0; |
| } else { |
| |
| // Queue frame |
| dp_fifo_push(rd_ctx->fifo, p); |
| dp_rd_ctx_post_event(rd_ctx, DAV1D_EVENT_NEW_FRAME); |
| |
| n_out++; |
| } |
| } while ((data.sz > 0 || !input_read(in_ctx, &data))); |
| |
| // Release remaining data |
| if (data.sz > 0) dav1d_data_unref(&data); |
| |
| // Do not drain in case an error occured and caused us to leave the |
| // decoding loop early. |
| if (res < 0) |
| goto cleanup; |
| |
| // Drain decoder |
| // When there is no more data to feed to the decoder, for example |
| // because the file ended, we still need to request pictures, as |
| // even though we do not have more data, there can be frames decoded |
| // from data we sent before. So we need to call dav1d_get_picture until |
| // we get an EAGAIN error. |
| do { |
| if (dp_rd_ctx_should_terminate(rd_ctx)) |
| break; |
| |
| p = calloc(1, sizeof(*p)); |
| res = dav1d_get_picture(c, p); |
| if (res < 0) { |
| free(p); |
| if (res != DAV1D_ERR(EAGAIN)) { |
| fprintf(stderr, "Error decoding frame: %s\n", |
| strerror(-res)); |
| break; |
| } |
| } else { |
| // Queue frame |
| dp_fifo_push(rd_ctx->fifo, p); |
| dp_rd_ctx_post_event(rd_ctx, DAV1D_EVENT_NEW_FRAME); |
| |
| n_out++; |
| } |
| } while (res != DAV1D_ERR(EAGAIN)); |
| |
| // Print stats |
| uint32_t decoding_time_ms = SDL_GetTicks() - decoder_start; |
| printf("Decoded %u frames in %d seconds, avg %.02f fps\n", |
| n_out, decoding_time_ms/1000, n_out / (decoding_time_ms / 1000.0)); |
| |
| cleanup: |
| dp_rd_ctx_post_event(rd_ctx, DAV1D_EVENT_DEC_QUIT); |
| |
| if (in_ctx) |
| input_close(in_ctx); |
| if (c) |
| dav1d_close(&c); |
| |
| return (res != DAV1D_ERR(EAGAIN) && res < 0); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| SDL_Thread *decoder_thread; |
| SDL_Window *win = NULL; |
| |
| // Check for version mismatch between library and tool |
| const char *version = dav1d_version(); |
| if (strcmp(version, DAV1D_VERSION)) { |
| fprintf(stderr, "Version mismatch (library: %s, executable: %s)\n", |
| version, DAV1D_VERSION); |
| return 1; |
| } |
| |
| // Init SDL2 library |
| if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) < 0) |
| return 10; |
| |
| // Create Window and Renderer |
| int window_flags = SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI; |
| #ifdef HAVE_PLACEBO_VULKAN |
| window_flags |= SDL_WINDOW_VULKAN; |
| #endif |
| win = SDL_CreateWindow("Dav1dPlay", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, |
| WINDOW_WIDTH, WINDOW_HEIGHT, window_flags); |
| SDL_SetWindowResizable(win, SDL_TRUE); |
| |
| // Create render context |
| Dav1dPlayRenderContext *rd_ctx = dp_rd_ctx_create(win); |
| if (rd_ctx == NULL) { |
| fprintf(stderr, "Failed creating render context\n"); |
| return 5; |
| } |
| |
| // Parse and validate arguments |
| dp_rd_ctx_parse_args(rd_ctx, argc, argv); |
| |
| if (rd_ctx->settings.zerocopy) { |
| if (renderer_info.alloc_pic) { |
| rd_ctx->lib_settings.allocator = (Dav1dPicAllocator) { |
| .cookie = rd_ctx->rd_priv, |
| .alloc_picture_callback = renderer_info.alloc_pic, |
| .release_picture_callback = renderer_info.release_pic, |
| }; |
| } else { |
| fprintf(stderr, "--zerocopy unsupported by compiled renderer\n"); |
| } |
| } |
| |
| // Start decoder thread |
| decoder_thread = SDL_CreateThread(decoder_thread_main, "Decoder thread", rd_ctx); |
| |
| // Main loop |
| while (1) { |
| |
| SDL_Event e; |
| if (SDL_WaitEvent(&e)) { |
| if (e.type == SDL_QUIT) { |
| dp_rd_ctx_request_shutdown(rd_ctx); |
| } else if (e.type == rd_ctx->renderer_event_type) { |
| if (e.user.code == DAV1D_EVENT_NEW_FRAME) { |
| // Dequeue frame and update the render context with it |
| Dav1dPicture *p = dp_fifo_shift(rd_ctx->fifo); |
| |
| // Do not update textures during termination |
| if (!dp_rd_ctx_should_terminate(rd_ctx)) |
| dp_rd_ctx_update_with_dav1d_picture(rd_ctx, p); |
| dav1d_picture_unref(p); |
| free(p); |
| } else if (e.user.code == DAV1D_EVENT_DEC_QUIT) { |
| break; |
| } |
| } |
| } |
| |
| // Do not render during termination |
| if (!dp_rd_ctx_should_terminate(rd_ctx)) |
| dp_rd_ctx_render(rd_ctx); |
| } |
| |
| int decoder_ret = 0; |
| SDL_WaitThread(decoder_thread, &decoder_ret); |
| |
| dp_rd_ctx_destroy(rd_ctx); |
| SDL_DestroyWindow(win); |
| |
| return decoder_ret; |
| } |
