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/*
* Copyright © 2020, 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 <inttypes.h>
#include <string.h>
#include "dav1d/dav1d.h"
#include <SDL.h>
#ifdef HAVE_PLACEBO
# include <libplacebo/config.h>
#endif
// Check libplacebo Vulkan rendering
#if defined(HAVE_VULKAN) && defined(SDL_VIDEO_VULKAN)
# if defined(PL_HAVE_VULKAN) && PL_HAVE_VULKAN
# define HAVE_RENDERER_PLACEBO
# define HAVE_PLACEBO_VULKAN
# endif
#endif
// Check libplacebo OpenGL rendering
#if defined(PL_HAVE_OPENGL) && PL_HAVE_OPENGL
# define HAVE_RENDERER_PLACEBO
# define HAVE_PLACEBO_OPENGL
#endif
/**
* Settings structure
* Hold all settings available for the player,
* this is usually filled by parsing arguments
* from the console.
*/
typedef struct {
const char *inputfile;
const char *renderer_name;
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
/**
* Renderer info
*/
typedef struct rdr_info
{
// Renderer name
const char *name;
// Cookie passed to the renderer implementation callbacks
void *cookie;
// Callback to create the renderer
void* (*create_renderer)();
// 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;
extern const Dav1dPlayRenderInfo rdr_placebo_vk;
extern const Dav1dPlayRenderInfo rdr_placebo_gl;
extern const Dav1dPlayRenderInfo rdr_sdl;
// Available renderes ordered by priority
static const Dav1dPlayRenderInfo* const dp_renderers[] = {
&rdr_placebo_vk,
&rdr_placebo_gl,
&rdr_sdl,
};
static inline const Dav1dPlayRenderInfo *dp_get_renderer(const char *name)
{
for (size_t i = 0; i < (sizeof(dp_renderers)/sizeof(*dp_renderers)); ++i)
{
if (dp_renderers[i]->name == NULL)
continue;
if (name == NULL || strcmp(name, dp_renderers[i]->name) == 0) {
return dp_renderers[i];
}
}
return NULL;
}
static inline SDL_Window *dp_create_sdl_window(int window_flags)
{
SDL_Window *win;
window_flags |= SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI;
win = SDL_CreateWindow("Dav1dPlay", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
WINDOW_WIDTH, WINDOW_HEIGHT, window_flags);
SDL_SetWindowResizable(win, SDL_TRUE);
return win;
}
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