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mpv/video/out/vo_sdl.c

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/*
* video output driver for SDL 2.0+
* Copyright (C) 2012 Rudolf Polzer <divVerent@xonotic.org>
*
* This file is part of mpv.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <assert.h>
#include <SDL.h>
#include "core/input/input.h"
#include "core/input/keycodes.h"
#include "core/mp_fifo.h"
#include "core/mp_msg.h"
#include "core/options.h"
#include "osdep/timer.h"
#include "sub/sub.h"
#include "video/mp_image.h"
#include "video/vfcap.h"
#include "aspect.h"
#include "config.h"
#include "vo.h"
struct formatmap_entry {
Uint32 sdl;
unsigned int mpv;
int is_rgba;
};
const struct formatmap_entry formats[] = {
{SDL_PIXELFORMAT_YV12, IMGFMT_420P, 0},
{SDL_PIXELFORMAT_IYUV, IMGFMT_420P, 0},
{SDL_PIXELFORMAT_YUY2, IMGFMT_YUYV, 0},
{SDL_PIXELFORMAT_UYVY, IMGFMT_UYVY, 0},
//{SDL_PIXELFORMAT_YVYU, IMGFMT_YVYU, 0},
#if BYTE_ORDER == BIG_ENDIAN
{SDL_PIXELFORMAT_RGBX8888, IMGFMT_RGBA, 0}, // has no alpha -> bad for OSD
{SDL_PIXELFORMAT_BGRX8888, IMGFMT_BGRA, 0}, // has no alpha -> bad for OSD
{SDL_PIXELFORMAT_ARGB8888, IMGFMT_ARGB, 1}, // matches SUBBITMAP_RGBA
{SDL_PIXELFORMAT_RGBA8888, IMGFMT_RGBA, 1},
{SDL_PIXELFORMAT_ABGR8888, IMGFMT_ABGR, 1},
{SDL_PIXELFORMAT_BGRA8888, IMGFMT_BGRA, 1},
{SDL_PIXELFORMAT_RGB24, IMGFMT_RGB24, 0},
{SDL_PIXELFORMAT_BGR24, IMGFMT_BGR24, 0},
{SDL_PIXELFORMAT_RGB888, IMGFMT_RGB24, 0},
{SDL_PIXELFORMAT_BGR888, IMGFMT_BGR24, 0},
{SDL_PIXELFORMAT_RGB565, IMGFMT_RGB16, 0},
{SDL_PIXELFORMAT_BGR565, IMGFMT_BGR16, 0},
{SDL_PIXELFORMAT_RGB555, IMGFMT_RGB15, 0},
{SDL_PIXELFORMAT_BGR555, IMGFMT_BGR15, 0},
{SDL_PIXELFORMAT_RGB444, IMGFMT_RGB12, 0}
#else
{SDL_PIXELFORMAT_RGBX8888, IMGFMT_ABGR, 0}, // has no alpha -> bad for OSD
{SDL_PIXELFORMAT_BGRX8888, IMGFMT_ARGB, 0}, // has no alpha -> bad for OSD
{SDL_PIXELFORMAT_ARGB8888, IMGFMT_BGRA, 1}, // matches SUBBITMAP_RGBA
{SDL_PIXELFORMAT_RGBA8888, IMGFMT_ABGR, 1},
{SDL_PIXELFORMAT_ABGR8888, IMGFMT_RGBA, 1},
{SDL_PIXELFORMAT_BGRA8888, IMGFMT_ARGB, 1},
{SDL_PIXELFORMAT_RGB24, IMGFMT_RGB24, 0},
{SDL_PIXELFORMAT_BGR24, IMGFMT_BGR24, 0},
{SDL_PIXELFORMAT_RGB888, IMGFMT_BGR24, 0},
{SDL_PIXELFORMAT_BGR888, IMGFMT_RGB24, 0},
{SDL_PIXELFORMAT_RGB565, IMGFMT_BGR16, 0},
{SDL_PIXELFORMAT_BGR565, IMGFMT_RGB16, 0},
{SDL_PIXELFORMAT_RGB555, IMGFMT_BGR15, 0},
{SDL_PIXELFORMAT_BGR555, IMGFMT_RGB15, 0},
{SDL_PIXELFORMAT_RGB444, IMGFMT_BGR12, 0}
#endif
};
struct keymap_entry {
SDL_Keycode sdl;
int mpv;
};
const struct keymap_entry keys[] = {
{SDLK_RETURN, KEY_ENTER},
{SDLK_ESCAPE, KEY_ESC},
{SDLK_BACKSPACE, KEY_BACKSPACE},
{SDLK_TAB, KEY_TAB},
{SDLK_PRINTSCREEN, KEY_PRINT},
{SDLK_PAUSE, KEY_PAUSE},
{SDLK_INSERT, KEY_INSERT},
{SDLK_HOME, KEY_HOME},
{SDLK_PAGEUP, KEY_PAGE_UP},
{SDLK_DELETE, KEY_DELETE},
{SDLK_END, KEY_END},
{SDLK_PAGEDOWN, KEY_PAGE_DOWN},
{SDLK_RIGHT, KEY_RIGHT},
{SDLK_LEFT, KEY_LEFT},
{SDLK_DOWN, KEY_DOWN},
{SDLK_UP, KEY_UP},
{SDLK_KP_ENTER, KEY_KPENTER},
{SDLK_KP_1, KEY_KP1},
{SDLK_KP_2, KEY_KP2},
{SDLK_KP_3, KEY_KP3},
{SDLK_KP_4, KEY_KP4},
{SDLK_KP_5, KEY_KP5},
{SDLK_KP_6, KEY_KP6},
{SDLK_KP_7, KEY_KP7},
{SDLK_KP_8, KEY_KP8},
{SDLK_KP_9, KEY_KP9},
{SDLK_KP_0, KEY_KP0},
{SDLK_KP_PERIOD, KEY_KPDEC},
{SDLK_POWER, KEY_POWER},
{SDLK_MENU, KEY_MENU},
{SDLK_STOP, KEY_STOP},
{SDLK_MUTE, KEY_MUTE},
{SDLK_VOLUMEUP, KEY_VOLUME_UP},
{SDLK_VOLUMEDOWN, KEY_VOLUME_DOWN},
{SDLK_KP_COMMA, KEY_KPDEC},
{SDLK_AUDIONEXT, KEY_NEXT},
{SDLK_AUDIOPREV, KEY_PREV},
{SDLK_AUDIOSTOP, KEY_STOP},
{SDLK_AUDIOPLAY, KEY_PLAY},
{SDLK_AUDIOMUTE, KEY_MUTE},
{SDLK_F1, KEY_F + 1},
{SDLK_F2, KEY_F + 2},
{SDLK_F3, KEY_F + 3},
{SDLK_F4, KEY_F + 4},
{SDLK_F5, KEY_F + 5},
{SDLK_F6, KEY_F + 6},
{SDLK_F7, KEY_F + 7},
{SDLK_F8, KEY_F + 8},
{SDLK_F9, KEY_F + 9},
{SDLK_F10, KEY_F + 10},
{SDLK_F11, KEY_F + 11},
{SDLK_F12, KEY_F + 12},
{SDLK_F13, KEY_F + 13},
{SDLK_F14, KEY_F + 14},
{SDLK_F15, KEY_F + 15},
{SDLK_F16, KEY_F + 16},
{SDLK_F17, KEY_F + 17},
{SDLK_F18, KEY_F + 18},
{SDLK_F19, KEY_F + 19},
{SDLK_F20, KEY_F + 20},
{SDLK_F21, KEY_F + 21},
{SDLK_F22, KEY_F + 22},
{SDLK_F23, KEY_F + 23},
{SDLK_F24, KEY_F + 24}
};
struct priv {
bool reinit_renderer;
SDL_Window *window;
SDL_Renderer *renderer;
int renderer_index;
SDL_RendererInfo renderer_info;
SDL_Texture *tex;
int tex_swapped;
mp_image_t texmpi;
mp_image_t *ssmpi;
struct mp_rect src_rect;
struct mp_rect dst_rect;
struct mp_osd_res osd_res;
int int_pause;
struct formatmap_entry osd_format;
struct osd_bitmap_surface {
int bitmap_id;
int bitmap_pos_id;
struct osd_target {
SDL_Rect source;
SDL_Rect dest;
SDL_Texture *tex;
SDL_Texture *tex2;
} *targets;
int num_targets;
int targets_size;
} osd_surfaces[MAX_OSD_PARTS];
unsigned int mouse_timer;
int mouse_hidden;
int brightness, contrast;
// options
int allow_sw;
};
static bool is_good_renderer(SDL_RendererInfo *ri,
const char *driver_name_wanted, int allow_sw,
struct formatmap_entry *osd_format)
{
if (driver_name_wanted && driver_name_wanted[0])
if (strcmp(driver_name_wanted, ri->name))
return false;
if (!allow_sw &&
!(ri->flags & SDL_RENDERER_ACCELERATED))
return false;
int i, j;
for (i = 0; i < ri->num_texture_formats; ++i)
for (j = 0; j < sizeof(formats) / sizeof(formats[0]); ++j)
if (ri->texture_formats[i] == formats[j].sdl)
if (formats[j].is_rgba) {
if (osd_format)
*osd_format = formats[j];
return true;
}
return false;
}
static void destroy_renderer(struct vo *vo)
{
struct priv *vc = vo->priv;
// free ALL the textures
if (vc->tex) {
SDL_DestroyTexture(vc->tex);
vc->tex = NULL;
}
int i, j;
for (i = 0; i < MAX_OSD_PARTS; ++i) {
for (j = 0; j < vc->osd_surfaces[i].targets_size; ++j) {
if (vc->osd_surfaces[i].targets[j].tex) {
SDL_DestroyTexture(vc->osd_surfaces[i].targets[j].tex);
vc->osd_surfaces[i].targets[j].tex = NULL;
}
if (vc->osd_surfaces[i].targets[j].tex2) {
SDL_DestroyTexture(vc->osd_surfaces[i].targets[j].tex2);
vc->osd_surfaces[i].targets[j].tex2 = NULL;
}
}
}
if (vc->renderer) {
SDL_DestroyRenderer(vc->renderer);
vc->renderer = NULL;
}
if (vc->window) {
SDL_DestroyWindow(vc->window);
vc->window = NULL;
}
}
static bool try_create_renderer(struct vo *vo, int i, const char *driver,
int w, int h)
{
struct priv *vc = vo->priv;
// first probe
SDL_RendererInfo ri;
if (SDL_GetRenderDriverInfo(i, &ri))
return false;
if (!is_good_renderer(&ri, driver, vc->allow_sw, NULL))
return false;
bool xy_valid = vo->opts->vo_geometry.xy_valid;
// then actually try
vc->window = SDL_CreateWindow("MPV",
xy_valid ? vo->dx : SDL_WINDOWPOS_UNDEFINED,
xy_valid ? vo->dy : SDL_WINDOWPOS_UNDEFINED,
w, h,
SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN);
if (!vc->window) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] SDL_CreateWindow failedd\n");
destroy_renderer(vo);
return false;
}
vc->renderer = SDL_CreateRenderer(vc->window, i, 0);
if (!vc->renderer) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] SDL_CreateRenderer failed\n");
destroy_renderer(vo);
return false;
}
if (SDL_GetRendererInfo(vc->renderer, &vc->renderer_info)) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] SDL_GetRendererInfo failed\n");
destroy_renderer(vo);
return false;
}
if (!is_good_renderer(&vc->renderer_info, NULL, vc->allow_sw,
&vc->osd_format)) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] Renderer '%s' does not fulfill "
"requirements on this system\n",
vc->renderer_info.name);
destroy_renderer(vo);
return false;
}
if (vc->renderer_index != i) {
mp_msg(MSGT_VO, MSGL_INFO, "[sdl] Using %s\n", vc->renderer_info.name);
vc->renderer_index = i;
}
return true;
}
static int init_renderer(struct vo *vo, int w, int h)
{
struct priv *vc = vo->priv;
int n = SDL_GetNumRenderDrivers();
int i;
if (vc->renderer_index >= 0)
if (try_create_renderer(vo, vc->renderer_index, NULL, w, h))
return 0;
for (i = 0; i < n; ++i)
if (try_create_renderer(vo, i, SDL_GetHint(SDL_HINT_RENDER_DRIVER),
w, h))
return 0;
for (i = 0; i < n; ++i)
if (try_create_renderer(vo, i, NULL, w, h))
return 0;
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] No supported renderer\n");
return -1;
}
static void resize(struct vo *vo, int w, int h)
{
struct priv *vc = vo->priv;
vo->dwidth = w;
vo->dheight = h;
vo_get_src_dst_rects(vo, &vc->src_rect, &vc->dst_rect,
&vc->osd_res);
SDL_RenderSetLogicalSize(vc->renderer, w, h);
vo->want_redraw = true;
}
static void force_resize(struct vo *vo)
{
struct priv *vc = vo->priv;
int w, h;
SDL_GetWindowSize(vc->window, &w, &h);
resize(vo, w, h);
}
static void check_resize(struct vo *vo)
{
struct priv *vc = vo->priv;
int w, h;
SDL_GetWindowSize(vc->window, &w, &h);
if (vo->dwidth != w || vo->dheight != h)
resize(vo, w, h);
}
static void set_fullscreen(struct vo *vo, int fs)
{
struct priv *vc = vo->priv;
struct MPOpts *opts = vo->opts;
Uint32 fs_flags = 0;
if (fs) {
if (opts->vidmode)
fs_flags |= SDL_WINDOW_FULLSCREEN;
else
fs_flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
}
if (SDL_SetWindowFullscreen(vc->window, fs_flags)) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] SDL_SetWindowFullscreen failed\n");
return;
}
// toggling fullscreen might recreate the window, so better guard for this
SDL_DisableScreenSaver();
vo_fs = fs;
force_resize(vo);
}
static int config(struct vo *vo, uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height, uint32_t flags,
uint32_t format)
{
struct priv *vc = vo->priv;
if (vc->reinit_renderer) {
destroy_renderer(vo);
vc->reinit_renderer = false;
}
if (vc->window)
SDL_SetWindowSize(vc->window, d_width, d_height);
else {
if (init_renderer(vo, d_width, d_height) != 0)
return -1;
}
if (vc->tex)
SDL_DestroyTexture(vc->tex);
Uint32 texfmt = SDL_PIXELFORMAT_UNKNOWN;
int i, j;
for (i = 0; i < vc->renderer_info.num_texture_formats; ++i)
for (j = 0; j < sizeof(formats) / sizeof(formats[0]); ++j)
if (vc->renderer_info.texture_formats[i] == formats[j].sdl)
if (format == formats[j].mpv)
texfmt = formats[j].sdl;
if (texfmt == SDL_PIXELFORMAT_UNKNOWN) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] Invalid pixel format\n");
return -1;
}
vc->tex_swapped = texfmt == SDL_PIXELFORMAT_YV12;
vc->tex = SDL_CreateTexture(vc->renderer, texfmt,
SDL_TEXTUREACCESS_STREAMING, width, height);
if (!vc->tex) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] Could not create a texture\n");
return -1;
}
mp_image_t *texmpi = &vc->texmpi;
mp_image_set_size(texmpi, width, height);
mp_image_setfmt(texmpi, format);
switch (texmpi->num_planes) {
case 1:
case 3:
break;
default:
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] Invalid plane count\n");
SDL_DestroyTexture(vc->tex);
vc->tex = NULL;
return -1;
}
resize(vo, d_width, d_height);
SDL_DisableScreenSaver();
if (flags & VOFLAG_FULLSCREEN)
set_fullscreen(vo, 1);
SDL_SetWindowTitle(vc->window, vo_get_window_title(vo));
SDL_ShowWindow(vc->window);
check_resize(vo);
return 0;
}
static void flip_page(struct vo *vo)
{
struct priv *vc = vo->priv;
SDL_RenderPresent(vc->renderer);
}
static void check_events(struct vo *vo)
{
struct priv *vc = vo->priv;
struct MPOpts *opts = vo->opts;
SDL_Event ev;
if (opts->cursor_autohide_delay >= 0) {
if (!vc->mouse_hidden &&
(GetTimerMS() - vc->mouse_timer >= opts->cursor_autohide_delay)) {
SDL_ShowCursor(0);
vc->mouse_hidden = 1;
}
} else if (opts->cursor_autohide_delay == -1) {
if (vc->mouse_hidden) {
SDL_ShowCursor(1);
vc->mouse_hidden = 0;
}
} else if (opts->cursor_autohide_delay == -2) {
if (!vc->mouse_hidden) {
SDL_ShowCursor(0);
vc->mouse_hidden = 1;
}
}
while (SDL_PollEvent(&ev)) {
switch (ev.type) {
case SDL_WINDOWEVENT:
switch (ev.window.event) {
case SDL_WINDOWEVENT_EXPOSED:
vo->want_redraw = true;
break;
case SDL_WINDOWEVENT_SIZE_CHANGED:
check_resize(vo);
break;
}
break;
case SDL_QUIT:
mplayer_put_key(vo->key_fifo, KEY_CLOSE_WIN);
break;
case SDL_TEXTINPUT: {
int sdl_mod = SDL_GetModState();
int mpv_mod = 0;
// we ignore KMOD_LSHIFT, KMOD_RSHIFT and KMOD_RALT because
// these are already factored into ev.text.text
if (sdl_mod & (KMOD_LCTRL | KMOD_RCTRL))
mpv_mod |= KEY_MODIFIER_CTRL;
if (sdl_mod & KMOD_LALT)
mpv_mod |= KEY_MODIFIER_ALT;
if (sdl_mod & (KMOD_LGUI | KMOD_RGUI))
mpv_mod |= KEY_MODIFIER_META;
struct bstr t = {
ev.text.text, strlen(ev.text.text)
};
mplayer_put_key_utf8(vo->key_fifo, mpv_mod, t);
break;
}
case SDL_KEYDOWN: {
// Issue: we don't know in advance whether this keydown event
// will ALSO cause a SDL_TEXTINPUT event
// So we're conservative, and only map non printable keycodes
// (e.g. function keys, arrow keys, etc.)
// However, this does lose some keypresses at least on X11
// (e.g. Ctrl-A generates SDL_KEYDOWN only, but the key is
// 'a'... and 'a' is normally also handled by SDL_TEXTINPUT).
// The default config does not use Ctrl, so this is fine...
int keycode = 0;
int i;
for (i = 0; i < sizeof(keys) / sizeof(keys[0]); ++i)
if (keys[i].sdl == ev.key.keysym.sym) {
keycode = keys[i].mpv;
break;
}
if (keycode) {
if (ev.key.keysym.mod & (KMOD_LSHIFT | KMOD_RSHIFT))
keycode |= KEY_MODIFIER_SHIFT;
if (ev.key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL))
keycode |= KEY_MODIFIER_CTRL;
if (ev.key.keysym.mod & (KMOD_LALT | KMOD_RALT))
keycode |= KEY_MODIFIER_ALT;
if (ev.key.keysym.mod & (KMOD_LGUI | KMOD_RGUI))
keycode |= KEY_MODIFIER_META;
mplayer_put_key(vo->key_fifo, keycode);
}
break;
}
case SDL_MOUSEMOTION:
if (opts->cursor_autohide_delay >= 0) {
SDL_ShowCursor(1);
vc->mouse_hidden = 0;
vc->mouse_timer = GetTimerMS();
}
vo_mouse_movement(vo, ev.motion.x, ev.motion.y);
break;
case SDL_MOUSEBUTTONDOWN:
if (opts->cursor_autohide_delay >= 0) {
SDL_ShowCursor(1);
vc->mouse_hidden = 0;
vc->mouse_timer = GetTimerMS();
}
mplayer_put_key(vo->key_fifo,
(MOUSE_BTN0 + ev.button.button - 1) | MP_KEY_DOWN);
break;
case SDL_MOUSEBUTTONUP:
if (opts->cursor_autohide_delay >= 0) {
SDL_ShowCursor(1);
vc->mouse_hidden = 0;
vc->mouse_timer = GetTimerMS();
}
mplayer_put_key(vo->key_fifo,
(MOUSE_BTN0 + ev.button.button - 1));
break;
case SDL_MOUSEWHEEL:
break;
}
}
}
static void uninit(struct vo *vo)
{
struct priv *vc = vo->priv;
destroy_renderer(vo);
talloc_free(vc->ssmpi);
SDL_QuitSubSystem(SDL_INIT_VIDEO);
talloc_free(vc);
}
static inline void upload_to_texture(struct vo *vo, SDL_Texture *tex,
int w, int h, void *bitmap, int stride)
{
struct priv *vc = vo->priv;
if (vc->osd_format.sdl == SDL_PIXELFORMAT_ARGB8888) {
// NOTE: this optimization is questionable, because SDL docs say
// that this way is slow.
// It did measure up faster, though...
SDL_UpdateTexture(tex, NULL, bitmap, stride);
return;
}
void *pixels;
int pitch;
if (SDL_LockTexture(tex, NULL, &pixels, &pitch)) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] Could not lock texture\n");
} else {
SDL_ConvertPixels(w, h, SDL_PIXELFORMAT_ARGB8888,
bitmap, stride,
vc->osd_format.sdl,
pixels, pitch);
SDL_UnlockTexture(tex);
}
}
static inline void subbitmap_to_texture(struct vo *vo, SDL_Texture *tex,
struct sub_bitmap *bmp,
uint32_t ormask)
{
if (ormask == 0) {
upload_to_texture(vo, tex, bmp->w, bmp->h,
bmp->bitmap, bmp->stride);
} else {
uint32_t *temppixels;
temppixels = talloc_array(vo, uint32_t, bmp->w * bmp->h);
int x, y;
for (y = 0; y < bmp->h; ++y) {
const uint32_t *src =
(const uint32_t *) ((const char *) bmp->bitmap + y * bmp->stride);
uint32_t *dst = temppixels + y * bmp->w;
for (x = 0; x < bmp->w; ++x)
dst[x] = src[x] | ormask;
}
upload_to_texture(vo, tex, bmp->w, bmp->h,
temppixels, sizeof(uint32_t) * bmp->w);
talloc_free(temppixels);
}
}
static void generate_osd_part(struct vo *vo, struct sub_bitmaps *imgs)
{
struct priv *vc = vo->priv;
struct osd_bitmap_surface *sfc = &vc->osd_surfaces[imgs->render_index];
if (imgs->format == SUBBITMAP_EMPTY || imgs->num_parts == 0)
return;
if (imgs->bitmap_pos_id == sfc->bitmap_pos_id)
return;
if (imgs->num_parts > sfc->targets_size) {
sfc->targets = talloc_realloc(vc, sfc->targets,
struct osd_target, imgs->num_parts);
memset(&sfc->targets[sfc->targets_size], 0, sizeof(struct osd_target) *
(imgs->num_parts - sfc->targets_size));
sfc->targets_size = imgs->num_parts;
}
sfc->num_targets = imgs->num_parts;
for (int i = 0; i < imgs->num_parts; i++) {
struct osd_target *target = sfc->targets + i;
struct sub_bitmap *bmp = imgs->parts + i;
target->source = (SDL_Rect){
0, 0, bmp->w, bmp->h
};
target->dest = (SDL_Rect){
bmp->x, bmp->y, bmp->dw, bmp->dh
};
if (imgs->bitmap_id != sfc->bitmap_id || !target->tex) {
// tex: alpha blended texture
if (target->tex) {
SDL_DestroyTexture(target->tex);
target->tex = NULL;
}
if (!target->tex)
target->tex = SDL_CreateTexture(vc->renderer,
vc->osd_format.sdl, SDL_TEXTUREACCESS_STREAMING,
bmp->w, bmp->h);
if (!target->tex) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] Could not create texture\n");
}
if (target->tex) {
SDL_SetTextureBlendMode(target->tex,
SDL_BLENDMODE_BLEND);
SDL_SetTextureColorMod(target->tex, 0, 0, 0);
subbitmap_to_texture(vo, target->tex, bmp, 0); // RGBA -> 000A
}
// tex2: added texture
if (target->tex2) {
SDL_DestroyTexture(target->tex2);
target->tex2 = NULL;
}
if (!target->tex2)
target->tex2 = SDL_CreateTexture(vc->renderer,
vc->osd_format.sdl, SDL_TEXTUREACCESS_STREAMING,
bmp->w, bmp->h);
if (!target->tex2) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] Could not create texture\n");
}
if (target->tex2) {
SDL_SetTextureBlendMode(target->tex2,
SDL_BLENDMODE_ADD);
subbitmap_to_texture(vo, target->tex2, bmp,
0xFF000000); // RGBA -> RGB1
}
}
}
sfc->bitmap_id = imgs->bitmap_id;
sfc->bitmap_pos_id = imgs->bitmap_pos_id;
}
static void draw_osd_part(struct vo *vo, int index)
{
struct priv *vc = vo->priv;
struct osd_bitmap_surface *sfc = &vc->osd_surfaces[index];
int i;
for (i = 0; i < sfc->num_targets; i++) {
struct osd_target *target = sfc->targets + i;
if (target->tex)
SDL_RenderCopy(vc->renderer, target->tex,
&target->source, &target->dest);
if (target->tex2)
SDL_RenderCopy(vc->renderer, target->tex2,
&target->source, &target->dest);
}
}
static void draw_osd_cb(void *ctx, struct sub_bitmaps *imgs)
{
struct vo *vo = ctx;
generate_osd_part(vo, imgs);
draw_osd_part(vo, imgs->render_index);
}
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
struct priv *vc = vo->priv;
static const bool formats[SUBBITMAP_COUNT] = {
[SUBBITMAP_RGBA] = true,
};
osd_draw(osd, vc->osd_res, osd->vo_pts, 0, formats, draw_osd_cb, vo);
}
static int preinit(struct vo *vo, const char *arg)
{
struct priv *vc = vo->priv;
if (SDL_WasInit(SDL_INIT_VIDEO)) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] already initialized\n");
return -1;
}
// predefine SDL defaults (SDL env vars shall override)
SDL_SetHintWithPriority(SDL_HINT_RENDER_SCALE_QUALITY, "1",
SDL_HINT_DEFAULT);
// predefine MPV options (SDL env vars shall be overridden)
if (vo_vsync)
SDL_SetHintWithPriority(SDL_HINT_RENDER_VSYNC, "1",
SDL_HINT_OVERRIDE);
else
SDL_SetHintWithPriority(SDL_HINT_RENDER_VSYNC, "0",
SDL_HINT_OVERRIDE);
if (SDL_InitSubSystem(SDL_INIT_VIDEO)) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] SDL_Init failed\n");
return -1;
}
// try creating a renderer (this also gets the renderer_info data
// for query_format to use!)
if (init_renderer(vo, 640, 480) != 0)
return -1;
// please reinitialize the renderer to proper size on config()
vc->reinit_renderer = true;
// we don't have proper event handling
vo->wakeup_period = 0.02;
// initialize the autohide timer properly
vc->mouse_timer = GetTimerMS();
return 0;
}
static int query_format(struct vo *vo, uint32_t format)
{
struct priv *vc = vo->priv;
int i, j;
int cap = VFCAP_CSP_SUPPORTED | VFCAP_FLIP | VFCAP_OSD;
for (i = 0; i < vc->renderer_info.num_texture_formats; ++i)
for (j = 0; j < sizeof(formats) / sizeof(formats[0]); ++j)
if (vc->renderer_info.texture_formats[i] == formats[j].sdl)
if (format == formats[j].mpv)
return cap;
return 0;
}
static void draw_image(struct vo *vo, mp_image_t *mpi)
{
struct priv *vc = vo->priv;
void *pixels;
int pitch;
// decode brightness/contrast
int color_add = 0;
int color_mod = 255;
int brightness = vc->brightness;
int contrast = vc->contrast;
// only in this range it is possible to do brightness/contrast control
// properly, using just additive render operations and color modding
// (SDL2 provides no subtractive rendering, sorry)
if (2 * brightness < contrast) {
//brightness = (brightness + 2 * contrast) / 5; // closest point
brightness = (brightness + contrast) / 3; // equal adjustment
contrast = 2 * brightness;
}
// convert to values SDL2 likes
color_mod = ((contrast + 100) * 255 + 50) / 100;
color_add = ((2 * brightness - contrast) * 255 + 100) / 200;
// clamp
if (color_mod < 0)
color_mod = 0;
if (color_mod > 255)
color_mod = 255;
// color_add can't be < 0
if (color_add > 255)
color_add = 255;
// typically this runs in parallel with the following mp_image_copy call
SDL_SetRenderDrawColor(vc->renderer, color_add, color_add, color_add, 255);
SDL_RenderClear(vc->renderer);
// use additive blending for the video texture only if the clear color is
// not black (faster especially for the software renderer)
if (color_add)
SDL_SetTextureBlendMode(vc->tex, SDL_BLENDMODE_ADD);
else
SDL_SetTextureBlendMode(vc->tex, SDL_BLENDMODE_NONE);
if (mpi) {
if (SDL_LockTexture(vc->tex, NULL, &pixels, &pitch)) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] SDL_LockTexture failed\n");
return;
}
mp_image_t *texmpi = &vc->texmpi;
texmpi->planes[0] = pixels;
texmpi->stride[0] = pitch;
if (texmpi->num_planes == 3) {
if (vc->tex_swapped) {
texmpi->planes[2] =
((Uint8 *) texmpi->planes[0] + texmpi->h * pitch);
texmpi->stride[2] = pitch / 2;
texmpi->planes[1] =
((Uint8 *) texmpi->planes[2] + (texmpi->h * pitch) / 4);
texmpi->stride[1] = pitch / 2;
} else {
texmpi->planes[1] =
((Uint8 *) texmpi->planes[0] + texmpi->h * pitch);
texmpi->stride[1] = pitch / 2;
texmpi->planes[2] =
((Uint8 *) texmpi->planes[1] + (texmpi->h * pitch) / 4);
texmpi->stride[2] = pitch / 2;
}
}
mp_image_copy(texmpi, mpi);
SDL_UnlockTexture(vc->tex);
mp_image_setrefp(&vc->ssmpi, mpi);
}
SDL_Rect src, dst;
src.x = vc->src_rect.x0;
src.y = vc->src_rect.y0;
src.w = vc->src_rect.x1 - vc->src_rect.x0;
src.h = vc->src_rect.y1 - vc->src_rect.y0;
dst.x = vc->dst_rect.x0;
dst.y = vc->dst_rect.y0;
dst.w = vc->dst_rect.x1 - vc->dst_rect.x0;
dst.h = vc->dst_rect.y1 - vc->dst_rect.y0;
// typically this runs in parallel with the following mp_image_copy call
if (color_mod > 255) {
SDL_SetTextureColorMod(vc->tex, color_mod / 2, color_mod / 2, color_mod / 2);
SDL_RenderCopy(vc->renderer, vc->tex, &src, &dst);
SDL_RenderCopy(vc->renderer, vc->tex, &src, &dst);
} else {
SDL_SetTextureColorMod(vc->tex, color_mod, color_mod, color_mod);
SDL_RenderCopy(vc->renderer, vc->tex, &src, &dst);
}
}
static void update_screeninfo(struct vo *vo)
{
struct priv *vc = vo->priv;
SDL_DisplayMode mode;
if (SDL_GetCurrentDisplayMode(SDL_GetWindowDisplayIndex(vc->window),
&mode)) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] SDL_GetCurrentDisplayMode failed\n");
return;
}
struct MPOpts *opts = vo->opts;
opts->vo_screenwidth = mode.w;
opts->vo_screenheight = mode.h;
aspect_save_screenres(vo, opts->vo_screenwidth, opts->vo_screenheight);
}
static struct mp_image *get_screenshot(struct vo *vo)
{
struct priv *vc = vo->priv;
return vc->ssmpi ? mp_image_new_ref(vc->ssmpi) : NULL;
}
static struct mp_image *get_window_screenshot(struct vo *vo)
{
struct priv *vc = vo->priv;
struct mp_image *image = mp_image_alloc(vc->osd_format.mpv, vo->dwidth,
vo->dheight);
if (SDL_RenderReadPixels(vc->renderer, NULL, vc->osd_format.sdl,
image->planes[0], image->stride[0])) {
mp_msg(MSGT_VO, MSGL_ERR, "[sdl] SDL_RenderReadPixels failed\n");
talloc_free(image);
return NULL;
}
return image;
}
static int set_eq(struct vo *vo, const char *name, int value)
{
struct priv *vc = vo->priv;
if (!strcasecmp(name, "brightness"))
vc->brightness = value;
else if (!strcasecmp(name, "contrast"))
vc->contrast = value;
else
return VO_NOTIMPL;
vo->want_redraw = true;
return VO_TRUE;
}
static int get_eq(struct vo *vo, const char *name, int *value)
{
struct priv *vc = vo->priv;
if (!strcasecmp(name, "brightness"))
*value = vc->brightness;
else if (!strcasecmp(name, "contrast"))
*value = vc->contrast;
else
return VO_NOTIMPL;
return VO_TRUE;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct priv *vc = vo->priv;
switch (request) {
case VOCTRL_FULLSCREEN:
set_fullscreen(vo, !vo_fs);
return 1;
case VOCTRL_PAUSE:
return vc->int_pause = 1;
case VOCTRL_RESUME:
return vc->int_pause = 0;
case VOCTRL_REDRAW_FRAME:
draw_image(vo, NULL);
return 1;
case VOCTRL_UPDATE_SCREENINFO:
update_screeninfo(vo);
return 1;
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
force_resize(vo);
return VO_TRUE;
case VOCTRL_SET_EQUALIZER: {
struct voctrl_set_equalizer_args *args = data;
return set_eq(vo, args->name, args->value);
}
case VOCTRL_GET_EQUALIZER: {
struct voctrl_get_equalizer_args *args = data;
return get_eq(vo, args->name, args->valueptr);
}
case VOCTRL_SCREENSHOT: {
struct voctrl_screenshot_args *args = data;
if (args->full_window)
args->out_image = get_window_screenshot(vo);
else
args->out_image = get_screenshot(vo);
return true;
}
}
return VO_NOTIMPL;
}
#undef OPT_BASE_STRUCT
#define OPT_BASE_STRUCT struct priv
const struct vo_driver video_out_sdl = {
.info = &(const vo_info_t) {
"SDL 2.0 Renderer",
"sdl",
"Rudolf Polzer <divVerent@xonotic.org>",
""
},
.priv_size = sizeof(struct priv),
.priv_defaults = &(const struct priv) {
.renderer_index = -1
},
.options = (const struct m_option []){
OPT_FLAG_ON("sw", allow_sw, 0),
{NULL}
},
.preinit = preinit,
.query_format = query_format,
.config = config,
.control = control,
.draw_image = draw_image,
.uninit = uninit,
.check_events = check_events,
.draw_osd = draw_osd,
.flip_page = flip_page,
};
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