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https://github.com/FFmpeg/FFmpeg.git
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lavd/opengl: use SDL2
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com> Signed-off-by: Josh de Kock <josh@itanimul.li>
This commit is contained in:
Lukasz Marek
Josh de Kock
parent
f94b8d2557
commit
645353829f
@ -46,7 +46,7 @@
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#include <GL/glx.h>
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#endif
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#if HAVE_SDL
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#if HAVE_SDL2
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#include <SDL.h>
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#endif
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@ -174,8 +174,9 @@ static const GLushort g_index[6] =
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typedef struct OpenGLContext {
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AVClass *class; ///< class for private options
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#if HAVE_SDL
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SDL_Surface *surface;
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#if HAVE_SDL2
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SDL_Window *window;
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SDL_GLContext glcontext;
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#endif
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FFOpenGLFunctions glprocs;
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@ -341,30 +342,14 @@ static int opengl_control_message(AVFormatContext *h, int type, void *data, size
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return AVERROR(ENOSYS);
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}
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#if HAVE_SDL
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static int opengl_sdl_recreate_window(OpenGLContext *opengl, int width, int height)
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{
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opengl->surface = SDL_SetVideoMode(width, height,
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32, SDL_OPENGL | SDL_RESIZABLE);
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if (!opengl->surface) {
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av_log(opengl, AV_LOG_ERROR, "Unable to set video mode: %s\n", SDL_GetError());
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return AVERROR_EXTERNAL;
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}
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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return 0;
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}
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#if HAVE_SDL2
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static int opengl_sdl_process_events(AVFormatContext *h)
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{
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int ret;
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OpenGLContext *opengl = h->priv_data;
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AVDeviceRect message;
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SDL_Event event;
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SDL_PumpEvents();
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while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_ALLEVENTS) > 0) {
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while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT) > 0) {
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switch (event.type) {
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case SDL_QUIT:
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return AVERROR(EIO);
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@ -375,23 +360,14 @@ static int opengl_sdl_process_events(AVFormatContext *h)
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return AVERROR(EIO);
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}
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return 0;
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case SDL_VIDEORESIZE: {
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char buffer[100];
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int reinit;
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AVDeviceRect message;
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/* clean up old context because SDL_SetVideoMode may lose its state. */
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SDL_VideoDriverName(buffer, sizeof(buffer));
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reinit = !av_strncasecmp(buffer, "quartz", sizeof(buffer));
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if (reinit) {
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opengl_deinit_context(opengl);
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}
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if ((ret = opengl_sdl_recreate_window(opengl, event.resize.w, event.resize.h)) < 0)
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return ret;
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if (reinit && (ret = opengl_init_context(opengl)) < 0)
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return ret;
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message.width = opengl->surface->w;
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message.height = opengl->surface->h;
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return opengl_control_message(h, AV_APP_TO_DEV_WINDOW_SIZE, &message, sizeof(AVDeviceRect));
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case SDL_WINDOWEVENT:
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switch(event.window.event) {
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case SDL_WINDOWEVENT_RESIZED:
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case SDL_WINDOWEVENT_SIZE_CHANGED:
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SDL_GL_GetDrawableSize(opengl->window, &message.width, &message.height);
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return opengl_control_message(h, AV_APP_TO_DEV_WINDOW_SIZE, &message, sizeof(AVDeviceRect));
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default:
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break;
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}
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}
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}
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@ -400,23 +376,34 @@ static int opengl_sdl_process_events(AVFormatContext *h)
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static int av_cold opengl_sdl_create_window(AVFormatContext *h)
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{
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int ret;
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char buffer[100];
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OpenGLContext *opengl = h->priv_data;
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AVDeviceRect message;
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if (SDL_Init(SDL_INIT_VIDEO)) {
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av_log(opengl, AV_LOG_ERROR, "Unable to initialize SDL: %s\n", SDL_GetError());
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return AVERROR_EXTERNAL;
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}
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if ((ret = opengl_sdl_recreate_window(opengl, opengl->window_width,
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opengl->window_height)) < 0)
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return ret;
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av_log(opengl, AV_LOG_INFO, "SDL driver: '%s'.\n", SDL_VideoDriverName(buffer, sizeof(buffer)));
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message.width = opengl->surface->w;
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message.height = opengl->surface->h;
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SDL_WM_SetCaption(opengl->window_title, NULL);
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opengl_control_message(h, AV_APP_TO_DEV_WINDOW_SIZE, &message, sizeof(AVDeviceRect));
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return 0;
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opengl->window = SDL_CreateWindow(opengl->window_title,
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SDL_WINDOWPOS_UNDEFINED,
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SDL_WINDOWPOS_UNDEFINED,
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opengl->window_width, opengl->window_height,
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SDL_WINDOW_RESIZABLE | SDL_WINDOW_OPENGL);
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if (!opengl->window) {
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av_log(opengl, AV_LOG_ERROR, "Unable to create default window: %s\n", SDL_GetError());
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return AVERROR_EXTERNAL;
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}
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opengl->glcontext = SDL_GL_CreateContext(opengl->window);
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if (!opengl->glcontext) {
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av_log(opengl, AV_LOG_ERROR, "Unable to create OpenGL context on default window: %s\n", SDL_GetError());
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return AVERROR_EXTERNAL;
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}
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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av_log(opengl, AV_LOG_INFO, "SDL driver: '%s'.\n", SDL_GetCurrentVideoDriver());
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SDL_GL_GetDrawableSize(opengl->window, &message.width, &message.height);
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return opengl_control_message(h, AV_APP_TO_DEV_WINDOW_SIZE, &message, sizeof(AVDeviceRect));
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}
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static int av_cold opengl_sdl_load_procedures(OpenGLContext *opengl)
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@ -460,14 +447,14 @@ static int av_cold opengl_sdl_load_procedures(OpenGLContext *opengl)
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#undef LOAD_OPENGL_FUN
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}
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#endif /* HAVE_SDL */
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#endif /* HAVE_SDL2 */
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#if defined(__APPLE__)
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static int av_cold opengl_load_procedures(OpenGLContext *opengl)
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{
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FFOpenGLFunctions *procs = &opengl->glprocs;
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#if HAVE_SDL
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#if HAVE_SDL2
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if (!opengl->no_window)
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return opengl_sdl_load_procedures(opengl);
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#endif
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@ -517,7 +504,7 @@ static int av_cold opengl_load_procedures(OpenGLContext *opengl)
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return AVERROR(ENOSYS); \
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}
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#if HAVE_SDL
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#if HAVE_SDL2
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if (!opengl->no_window)
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return opengl_sdl_load_procedures(opengl);
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#endif
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@ -943,7 +930,7 @@ static int opengl_create_window(AVFormatContext *h)
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int ret;
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if (!opengl->no_window) {
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#if HAVE_SDL
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#if HAVE_SDL2
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if ((ret = opengl_sdl_create_window(h)) < 0) {
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av_log(opengl, AV_LOG_ERROR, "Cannot create default SDL window.\n");
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return ret;
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@ -975,7 +962,9 @@ static int opengl_release_window(AVFormatContext *h)
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int ret;
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OpenGLContext *opengl = h->priv_data;
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if (!opengl->no_window) {
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#if HAVE_SDL
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#if HAVE_SDL2
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SDL_GL_DeleteContext(opengl->glcontext);
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SDL_DestroyWindow(opengl->window);
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SDL_Quit();
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#endif
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} else if ((ret = avdevice_dev_to_app_control_message(h, AV_DEV_TO_APP_DESTROY_WINDOW_BUFFER, NULL , 0)) < 0) {
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@ -1109,9 +1098,9 @@ static av_cold int opengl_write_header(AVFormatContext *h)
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glClear(GL_COLOR_BUFFER_BIT);
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#if HAVE_SDL
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#if HAVE_SDL2
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if (!opengl->no_window)
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SDL_GL_SwapBuffers();
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SDL_GL_SwapWindow(opengl->window);
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#endif
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if (opengl->no_window &&
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(ret = avdevice_dev_to_app_control_message(h, AV_DEV_TO_APP_DISPLAY_WINDOW_BUFFER, NULL , 0)) < 0) {
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@ -1204,7 +1193,7 @@ static int opengl_draw(AVFormatContext *h, void *input, int repaint, int is_pkt)
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
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int ret;
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#if HAVE_SDL
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#if HAVE_SDL2
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if (!opengl->no_window && (ret = opengl_sdl_process_events(h)) < 0)
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goto fail;
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#endif
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@ -1245,9 +1234,9 @@ static int opengl_draw(AVFormatContext *h, void *input, int repaint, int is_pkt)
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ret = AVERROR_EXTERNAL;
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OPENGL_ERROR_CHECK(opengl);
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#if HAVE_SDL
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#if HAVE_SDL2
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if (!opengl->no_window)
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SDL_GL_SwapBuffers();
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SDL_GL_SwapWindow(opengl->window);
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#endif
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if (opengl->no_window &&
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(ret = avdevice_dev_to_app_control_message(h, AV_DEV_TO_APP_DISPLAY_WINDOW_BUFFER, NULL , 0)) < 0) {
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