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mpv/libvo/vo_gl.c

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/*
* This file is part of MPlayer.
*
* 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 <string.h>
#include <math.h>
#include "config.h"
#include "mp_msg.h"
#include "subopt-helper.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "font_load.h"
#include "sub.h"
#include "gl_common.h"
#include "aspect.h"
#ifdef CONFIG_GUI
#include "gui/interface.h"
#endif
#include "fastmemcpy.h"
#include "libass/ass.h"
#include "libass/ass_mp.h"
static const vo_info_t info =
{
"X11 (OpenGL)",
"gl",
"Arpad Gereoffy <arpi@esp-team.scene.hu>",
""
};
const LIBVO_EXTERN(gl)
#ifdef GL_WIN32
static int gl_vinfo = 0;
static HGLRC gl_context = 0;
#define update_xinerama_info w32_update_xinerama_info
#define vo_init vo_w32_init
#define vo_window vo_w32_window
#else
static XVisualInfo *gl_vinfo = NULL;
static GLXContext gl_context = 0;
static int wsGLXAttrib[] = { GLX_RGBA,
GLX_RED_SIZE,1,
GLX_GREEN_SIZE,1,
GLX_BLUE_SIZE,1,
GLX_DOUBLEBUFFER,
None };
#endif
static int use_osd;
static int scaled_osd;
//! How many parts the OSD may consist of at most
#define MAX_OSD_PARTS 20
//! Textures for OSD
static GLuint osdtex[MAX_OSD_PARTS];
#ifndef FAST_OSD
//! Alpha textures for OSD
static GLuint osdatex[MAX_OSD_PARTS];
#endif
static GLuint *eosdtex;
#define LARGE_EOSD_TEX_SIZE 512
#define TINYTEX_SIZE 16
#define TINYTEX_COLS (LARGE_EOSD_TEX_SIZE/TINYTEX_SIZE)
#define TINYTEX_MAX (TINYTEX_COLS*TINYTEX_COLS)
#define SMALLTEX_SIZE 32
#define SMALLTEX_COLS (LARGE_EOSD_TEX_SIZE/SMALLTEX_SIZE)
#define SMALLTEX_MAX (SMALLTEX_COLS*SMALLTEX_COLS)
static GLuint largeeosdtex[2];
//! Display lists that draw the OSD parts
static GLuint osdDispList[MAX_OSD_PARTS];
#ifndef FAST_OSD
static GLuint osdaDispList[MAX_OSD_PARTS];
#endif
static GLuint eosdDispList;
//! How many parts the OSD currently consists of
static int osdtexCnt;
static int eosdtexCnt;
static int osd_color;
static int use_aspect;
static int use_ycbcr;
static int use_yuv;
static int lscale;
static int cscale;
static float filter_strength;
static int yuvconvtype;
static int use_rectangle;
static int err_shown;
static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_format;
static int many_fmts;
static int ati_hack;
static int force_pbo;
static int mesa_buffer;
static int use_glFinish;
static int swap_interval;
static GLenum gl_target;
static GLint gl_texfmt;
static GLenum gl_format;
static GLenum gl_type;
static GLuint gl_buffer;
static GLuint gl_buffer_uv[2];
static int gl_buffersize;
static int gl_buffersize_uv;
static void *gl_bufferptr;
static void *gl_bufferptr_uv[2];
static int mesa_buffersize;
static void *mesa_bufferptr;
static GLuint fragprog;
static GLuint default_texs[22];
static char *custom_prog;
static char *custom_tex;
static int custom_tlin;
static int custom_trect;
static int int_pause;
static int eq_bri = 0;
static int eq_cont = 0;
static int eq_sat = 0;
static int eq_hue = 0;
static int eq_rgamma = 0;
static int eq_ggamma = 0;
static int eq_bgamma = 0;
static int texture_width;
static int texture_height;
static int mpi_flipped;
static int vo_flipped;
static int ass_border_x, ass_border_y;
static unsigned int slice_height = 1;
static void redraw(void);
static void resize(int x,int y){
mp_msg(MSGT_VO, MSGL_V, "[gl] Resize: %dx%d\n",x,y);
if (WinID >= 0) {
int top = 0, left = 0, w = x, h = y;
geometry(&top, &left, &w, &h, vo_screenwidth, vo_screenheight);
glViewport(top, left, w, h);
} else
glViewport( 0, 0, x, y );
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
ass_border_x = ass_border_y = 0;
if (vo_fs && use_aspect) {
int new_w, new_h;
GLdouble scale_x, scale_y;
aspect(&new_w, &new_h, A_ZOOM);
panscan_calc();
new_w += vo_panscan_x;
new_h += vo_panscan_y;
scale_x = (GLdouble)new_w / (GLdouble)x;
scale_y = (GLdouble)new_h / (GLdouble)y;
glScaled(scale_x, scale_y, 1);
ass_border_x = (vo_screenwidth - new_w) / 2;
ass_border_y = (vo_screenheight - new_h) / 2;
}
glOrtho(0, image_width, image_height, 0, -1,1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
if (!scaled_osd) {
#ifdef CONFIG_FREETYPE
// adjust font size to display size
force_load_font = 1;
#endif
vo_osd_changed(OSDTYPE_OSD);
}
glClear(GL_COLOR_BUFFER_BIT);
redraw();
}
static void texSize(int w, int h, int *texw, int *texh) {
if (use_rectangle) {
*texw = w; *texh = h;
} else {
*texw = 32;
while (*texw < w)
*texw *= 2;
*texh = 32;
while (*texh < h)
*texh *= 2;
}
if (mesa_buffer) *texw = (*texw + 63) & ~63;
else if (ati_hack) *texw = (*texw + 511) & ~511;
}
//! maximum size of custom fragment program
#define MAX_CUSTOM_PROG_SIZE (1024 * 1024)
static void update_yuvconv(void) {
float bri = eq_bri / 100.0;
float cont = (eq_cont + 100) / 100.0;
float hue = eq_hue / 100.0 * 3.1415927;
float sat = (eq_sat + 100) / 100.0;
float rgamma = exp(log(8.0) * eq_rgamma / 100.0);
float ggamma = exp(log(8.0) * eq_ggamma / 100.0);
float bgamma = exp(log(8.0) * eq_bgamma / 100.0);
gl_conversion_params_t params = {gl_target, yuvconvtype,
bri, cont, hue, sat, rgamma, ggamma, bgamma,
texture_width, texture_height, filter_strength};
glSetupYUVConversion(&params);
if (custom_prog) {
FILE *f = fopen(custom_prog, "r");
if (!f)
mp_msg(MSGT_VO, MSGL_WARN,
"[gl] Could not read customprog %s\n", custom_prog);
else {
char *prog = calloc(1, MAX_CUSTOM_PROG_SIZE + 1);
fread(prog, 1, MAX_CUSTOM_PROG_SIZE, f);
fclose(f);
loadGPUProgram(GL_FRAGMENT_PROGRAM, prog);
free(prog);
}
ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 0,
1.0 / texture_width, 1.0 / texture_height,
texture_width, texture_height);
}
if (custom_tex) {
FILE *f = fopen(custom_tex, "r");
if (!f)
mp_msg(MSGT_VO, MSGL_WARN,
"[gl] Could not read customtex %s\n", custom_tex);
else {
int width, height, maxval;
ActiveTexture(GL_TEXTURE3);
if (glCreatePPMTex(custom_trect?GL_TEXTURE_RECTANGLE:GL_TEXTURE_2D, 0,
custom_tlin?GL_LINEAR:GL_NEAREST,
f, &width, &height, &maxval))
ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 1,
1.0 / width, 1.0 / height, width, height);
else
mp_msg(MSGT_VO, MSGL_WARN,
"[gl] Error parsing customtex %s\n", custom_tex);
fclose(f);
ActiveTexture(GL_TEXTURE0);
}
}
}
/**
* \brief remove all OSD textures and display-lists, thus clearing it.
*/
static void clearOSD(void) {
int i;
if (!osdtexCnt)
return;
glDeleteTextures(osdtexCnt, osdtex);
#ifndef FAST_OSD
glDeleteTextures(osdtexCnt, osdatex);
for (i = 0; i < osdtexCnt; i++)
glDeleteLists(osdaDispList[i], 1);
#endif
for (i = 0; i < osdtexCnt; i++)
glDeleteLists(osdDispList[i], 1);
osdtexCnt = 0;
}
/**
* \brief remove textures, display list and free memory used by EOSD
*/
static void clearEOSD(void) {
if (eosdDispList)
glDeleteLists(eosdDispList, 1);
eosdDispList = 0;
if (eosdtexCnt)
glDeleteTextures(eosdtexCnt, eosdtex);
eosdtexCnt = 0;
free(eosdtex);
eosdtex = NULL;
}
static void do_render_osd(int);
static inline int is_tinytex(ass_image_t *i, int tinytexcur) {
return i->w < TINYTEX_SIZE && i->h < TINYTEX_SIZE && tinytexcur < TINYTEX_MAX;
}
static inline int is_smalltex(ass_image_t *i, int smalltexcur) {
return i->w < SMALLTEX_SIZE && i->h < SMALLTEX_SIZE && smalltexcur < SMALLTEX_MAX;
}
static inline void tinytex_pos(int tinytexcur, int *x, int *y) {
*x = (tinytexcur % TINYTEX_COLS) * TINYTEX_SIZE;
*y = (tinytexcur / TINYTEX_COLS) * TINYTEX_SIZE;
}
static inline void smalltex_pos(int smalltexcur, int *x, int *y) {
*x = (smalltexcur % SMALLTEX_COLS) * SMALLTEX_SIZE;
*y = (smalltexcur / SMALLTEX_COLS) * SMALLTEX_SIZE;
}
/**
* \brief construct display list from ass image list
* \param img image list to create OSD from.
* A value of NULL has the same effect as clearEOSD()
*/
static void genEOSD(mp_eosd_images_t *imgs) {
int sx, sy;
int tinytexcur = 0;
int smalltexcur = 0;
GLuint *curtex;
GLint scale_type = scaled_osd ? GL_LINEAR : GL_NEAREST;
ass_image_t *img = imgs->imgs;
ass_image_t *i;
if (imgs->changed == 0) // there are elements, but they are unchanged
return;
if (img && imgs->changed == 1) // there are elements, but they just moved
goto skip_upload;
clearEOSD();
if (!img)
return;
if (!largeeosdtex[0]) {
glGenTextures(2, largeeosdtex);
BindTexture(gl_target, largeeosdtex[0]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, LARGE_EOSD_TEX_SIZE, LARGE_EOSD_TEX_SIZE, 0);
BindTexture(gl_target, largeeosdtex[1]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, LARGE_EOSD_TEX_SIZE, LARGE_EOSD_TEX_SIZE, 0);
}
for (i = img; i; i = i->next)
{
if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
continue;
if (is_tinytex(i, tinytexcur))
tinytexcur++;
else if (is_smalltex(i, smalltexcur))
smalltexcur++;
else
eosdtexCnt++;
}
mp_msg(MSGT_VO, MSGL_DBG2, "EOSD counts (tiny, small, all): %i, %i, %i\n",
tinytexcur, smalltexcur, eosdtexCnt);
if (eosdtexCnt) {
eosdtex = calloc(eosdtexCnt, sizeof(GLuint));
glGenTextures(eosdtexCnt, eosdtex);
}
tinytexcur = smalltexcur = 0;
for (i = img, curtex = eosdtex; i; i = i->next) {
int x = 0, y = 0;
if (i->w <= 0 || i->h <= 0 || i->stride < i->w) {
mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
continue;
}
if (is_tinytex(i, tinytexcur)) {
tinytex_pos(tinytexcur, &x, &y);
BindTexture(gl_target, largeeosdtex[0]);
tinytexcur++;
} else if (is_smalltex(i, smalltexcur)) {
smalltex_pos(smalltexcur, &x, &y);
BindTexture(gl_target, largeeosdtex[1]);
smalltexcur++;
} else {
texSize(i->w, i->h, &sx, &sy);
BindTexture(gl_target, *curtex++);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
}
glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, i->bitmap, i->stride,
x, y, i->w, i->h, 0);
}
eosdDispList = glGenLists(1);
skip_upload:
glNewList(eosdDispList, GL_COMPILE);
tinytexcur = smalltexcur = 0;
for (i = img, curtex = eosdtex; i; i = i->next) {
int x = 0, y = 0;
if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
continue;
glColor4ub(i->color >> 24, (i->color >> 16) & 0xff, (i->color >> 8) & 0xff, 255 - (i->color & 0xff));
if (is_tinytex(i, tinytexcur)) {
tinytex_pos(tinytexcur, &x, &y);
sx = sy = LARGE_EOSD_TEX_SIZE;
BindTexture(gl_target, largeeosdtex[0]);
tinytexcur++;
} else if (is_smalltex(i, smalltexcur)) {
smalltex_pos(smalltexcur, &x, &y);
sx = sy = LARGE_EOSD_TEX_SIZE;
BindTexture(gl_target, largeeosdtex[1]);
smalltexcur++;
} else {
texSize(i->w, i->h, &sx, &sy);
BindTexture(gl_target, *curtex++);
}
glDrawTex(i->dst_x, i->dst_y, i->w, i->h, x, y, i->w, i->h, sx, sy, use_rectangle == 1, 0, 0);
}
glEndList();
BindTexture(gl_target, 0);
}
/**
* \brief uninitialize OpenGL context, freeing textures, buffers etc.
*/
static void uninitGl(void) {
int i = 0;
if (DeletePrograms && fragprog)
DeletePrograms(1, &fragprog);
fragprog = 0;
while (default_texs[i] != 0)
i++;
if (i)
glDeleteTextures(i, default_texs);
default_texs[0] = 0;
clearOSD();
clearEOSD();
if (largeeosdtex[0])
glDeleteTextures(2, largeeosdtex);
largeeosdtex[0] = 0;
if (DeleteBuffers && gl_buffer)
DeleteBuffers(1, &gl_buffer);
gl_buffer = 0; gl_buffersize = 0;
gl_bufferptr = NULL;
if (DeleteBuffers && gl_buffer_uv[0])
DeleteBuffers(2, gl_buffer_uv);
gl_buffer_uv[0] = gl_buffer_uv[1] = 0; gl_buffersize_uv = 0;
gl_bufferptr_uv[0] = gl_bufferptr_uv[1] = 0;
#ifndef GL_WIN32
if (mesa_bufferptr)
FreeMemoryMESA(mDisplay, mScreen, mesa_bufferptr);
#endif
mesa_bufferptr = NULL;
err_shown = 0;
}
static void autodetectGlExtensions(void) {
const char *extensions = glGetString(GL_EXTENSIONS);
const char *vendor = glGetString(GL_VENDOR);
const char *version = glGetString(GL_VERSION);
int is_ati = strstr(vendor, "ATI") != NULL;
int ati_broken_pbo = 0;
if (is_ati && strncmp(version, "2.1.", 4) == 0) {
int ver = atoi(version + 4);
mp_msg(MSGT_VO, MSGL_V, "[gl] Detected ATI driver version: %i\n", ver);
ati_broken_pbo = ver && ver < 8395;
}
if (ati_hack == -1) ati_hack = ati_broken_pbo;
if (force_pbo == -1) force_pbo = strstr(extensions, "_pixel_buffer_object") ? is_ati : 0;
if (use_rectangle == -1) use_rectangle = strstr(extensions, "_texture_non_power_of_two") ? 0 : 0;
if (is_ati && (lscale == 1 || lscale == 2 || cscale == 1 || cscale == 2))
mp_msg(MSGT_VO, MSGL_WARN, "[gl] Selected scaling mode may be broken on ATI cards.\n"
"Tell _them_ to fix GL_REPEAT if you have issues.\n");
mp_msg(MSGT_VO, MSGL_V, "[gl] Settings after autodetection: ati-hack = %i, force-pbo = %i, rectangle = %i\n",
ati_hack, force_pbo, use_rectangle);
}
/**
* \brief Initialize a (new or reused) OpenGL context.
* set global gl-related variables to their default values
*/
static int initGl(uint32_t d_width, uint32_t d_height) {
autodetectGlExtensions();
texSize(image_width, image_height, &texture_width, &texture_height);
glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glDisable(GL_CULL_FACE);
glEnable(gl_target);
glDrawBuffer(vo_doublebuffering?GL_BACK:GL_FRONT);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
mp_msg(MSGT_VO, MSGL_V, "[gl] Creating %dx%d texture...\n",
texture_width, texture_height);
if (image_format == IMGFMT_YV12) {
int i;
glGenTextures(21, default_texs);
default_texs[21] = 0;
for (i = 0; i < 7; i++) {
ActiveTexture(GL_TEXTURE1 + i);
BindTexture(GL_TEXTURE_2D, default_texs[i]);
BindTexture(GL_TEXTURE_RECTANGLE, default_texs[i + 7]);
BindTexture(GL_TEXTURE_3D, default_texs[i + 14]);
}
ActiveTexture(GL_TEXTURE1);
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, GL_LINEAR,
texture_width / 2, texture_height / 2, 128);
ActiveTexture(GL_TEXTURE2);
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, GL_LINEAR,
texture_width / 2, texture_height / 2, 128);
switch (use_yuv) {
case YUV_CONVERSION_FRAGMENT_LOOKUP:
case YUV_CONVERSION_FRAGMENT_POW:
case YUV_CONVERSION_FRAGMENT:
if (!GenPrograms || !BindProgram) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl] fragment program functions missing!\n");
break;
}
GenPrograms(1, &fragprog);
BindProgram(GL_FRAGMENT_PROGRAM, fragprog);
break;
}
ActiveTexture(GL_TEXTURE0);
BindTexture(gl_target, 0);
update_yuvconv();
}
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, GL_LINEAR,
texture_width, texture_height, 0);
resize(d_width, d_height);
glClearColor( 0.0f,0.0f,0.0f,0.0f );
glClear( GL_COLOR_BUFFER_BIT );
if (SwapInterval && swap_interval >= 0)
SwapInterval(swap_interval);
return 1;
}
/* connect to server, create and map window,
* allocate colors and (shared) memory
*/
static int
config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
{
image_height = height;
image_width = width;
image_format = format;
glFindFormat(format, NULL, &gl_texfmt, &gl_format, &gl_type);
vo_flipped = !!(flags & VOFLAG_FLIPPING);
#ifdef CONFIG_GUI
if (use_gui) {
// GUI creates and manages window for us
guiGetEvent(guiSetShVideo, 0);
#ifndef GL_WIN32
goto glconfig;
#endif
}
#endif
#ifdef GL_WIN32
if (!vo_w32_config(d_width, d_height, flags))
return -1;
#else
{
XVisualInfo *vinfo=glXChooseVisual( mDisplay,mScreen,wsGLXAttrib );
if (vinfo == NULL)
{
mp_msg(MSGT_VO, MSGL_ERR, "[gl] no GLX support present\n");
return -1;
}
vo_x11_create_vo_window(vinfo, vo_dx, vo_dy, d_width, d_height, flags,
XCreateColormap(mDisplay, mRootWin, vinfo->visual, AllocNone),
"gl", title);
}
#endif
glconfig:
if (vo_config_count)
uninitGl();
setGlWindow(&gl_vinfo, &gl_context, vo_window);
initGl(vo_dwidth, vo_dheight);
return 0;
}
static void check_events(void)
{
int e=vo_check_events();
if(e&VO_EVENT_RESIZE) resize(vo_dwidth,vo_dheight);
if(e&VO_EVENT_EXPOSE && int_pause) redraw();
}
/**
* Creates the textures and the display list needed for displaying
* an OSD part.
* Callback function for vo_draw_text().
*/
static void create_osd_texture(int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
// initialize to 8 to avoid special-casing on alignment
int sx = 8, sy = 8;
GLint scale_type = scaled_osd ? GL_LINEAR : GL_NEAREST;
if (w <= 0 || h <= 0 || stride < w) {
mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
return;
}
texSize(w, h, &sx, &sy);
if (osdtexCnt >= MAX_OSD_PARTS) {
mp_msg(MSGT_VO, MSGL_ERR, "Too many OSD parts, contact the developers!\n");
return;
}
// create Textures for OSD part
glGenTextures(1, &osdtex[osdtexCnt]);
BindTexture(gl_target, osdtex[osdtexCnt]);
glCreateClearTex(gl_target, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
glUploadTex(gl_target, GL_LUMINANCE, GL_UNSIGNED_BYTE, src, stride,
0, 0, w, h, 0);
#ifndef FAST_OSD
glGenTextures(1, &osdatex[osdtexCnt]);
BindTexture(gl_target, osdatex[osdtexCnt]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
{
int i;
char *tmp = malloc(stride * h);
// convert alpha from weird MPlayer scale.
// in-place is not possible since it is reused for future OSDs
for (i = h * stride - 1; i >= 0; i--)
tmp[i] = -srca[i];
glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, tmp, stride,
0, 0, w, h, 0);
free(tmp);
}
#endif
BindTexture(gl_target, 0);
// Create a list for rendering this OSD part
#ifndef FAST_OSD
osdaDispList[osdtexCnt] = glGenLists(1);
glNewList(osdaDispList[osdtexCnt], GL_COMPILE);
// render alpha
BindTexture(gl_target, osdatex[osdtexCnt]);
glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
glEndList();
#endif
osdDispList[osdtexCnt] = glGenLists(1);
glNewList(osdDispList[osdtexCnt], GL_COMPILE);
// render OSD
BindTexture(gl_target, osdtex[osdtexCnt]);
glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
glEndList();
osdtexCnt++;
}
static void draw_osd(void)
{
if (!use_osd) return;
if (vo_osd_changed(0)) {
int osd_h, osd_w;
clearOSD();
osd_w = scaled_osd ? image_width : vo_dwidth;
osd_h = scaled_osd ? image_height : vo_dheight;
vo_draw_text_ext(osd_w, osd_h, ass_border_x, ass_border_y, ass_border_x, ass_border_y,
image_width, image_height, create_osd_texture);
}
if (vo_doublebuffering) do_render_osd(1);
}
static void do_render(void) {
// glEnable(GL_TEXTURE_2D);
// glBindTexture(GL_TEXTURE_2D, texture_id);
glColor3f(1,1,1);
if (image_format == IMGFMT_YV12)
glEnableYUVConversion(gl_target, yuvconvtype);
glDrawTex(0, 0, image_width, image_height,
0, 0, image_width, image_height,
texture_width, texture_height,
use_rectangle == 1, image_format == IMGFMT_YV12,
mpi_flipped ^ vo_flipped);
if (image_format == IMGFMT_YV12)
glDisableYUVConversion(gl_target, yuvconvtype);
}
/**
* \param type bit 0: render OSD, bit 1: render EOSD
*/
static void do_render_osd(int type) {
if (((type & 1) && osdtexCnt > 0) || ((type & 2) && eosdDispList)) {
// set special rendering parameters
if (!scaled_osd) {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, vo_dwidth, vo_dheight, 0, -1, 1);
}
glEnable(GL_BLEND);
if ((type & 2) && eosdDispList) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glCallList(eosdDispList);
}
if ((type & 1) && osdtexCnt > 0) {
glColor4ub((osd_color >> 16) & 0xff, (osd_color >> 8) & 0xff, osd_color & 0xff, 0xff - (osd_color >> 24));
// draw OSD
#ifndef FAST_OSD
glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_ALPHA);
glCallLists(osdtexCnt, GL_UNSIGNED_INT, osdaDispList);
#endif
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glCallLists(osdtexCnt, GL_UNSIGNED_INT, osdDispList);
}
// set rendering parameters back to defaults
glDisable(GL_BLEND);
if (!scaled_osd)
glPopMatrix();
BindTexture(gl_target, 0);
}
}
static void flip_page(void) {
if (vo_doublebuffering) {
if (use_glFinish) glFinish();
swapGlBuffers();
if (vo_fs && use_aspect)
glClear(GL_COLOR_BUFFER_BIT);
} else {
do_render();
do_render_osd(3);
if (use_glFinish) glFinish();
else glFlush();
}
}
static void redraw(void) {
if (vo_doublebuffering) { do_render(); do_render_osd(3); }
flip_page();
}
//static inline uint32_t draw_slice_x11(uint8_t *src[], uint32_t slice_num)
static int draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
{
mpi_flipped = stride[0] < 0;
glUploadTex(gl_target, gl_format, gl_type, src[0], stride[0],
x, y, w, h, slice_height);
if (image_format == IMGFMT_YV12) {
ActiveTexture(GL_TEXTURE1);
glUploadTex(gl_target, gl_format, gl_type, src[1], stride[1],
x / 2, y / 2, w / 2, h / 2, slice_height);
ActiveTexture(GL_TEXTURE2);
glUploadTex(gl_target, gl_format, gl_type, src[2], stride[2],
x / 2, y / 2, w / 2, h / 2, slice_height);
ActiveTexture(GL_TEXTURE0);
}
return 0;
}
static uint32_t get_image(mp_image_t *mpi) {
int needed_size;
if (!GenBuffers || !BindBuffer || !BufferData || !MapBuffer) {
if (!err_shown)
mp_msg(MSGT_VO, MSGL_ERR, "[gl] extensions missing for dr\n"
"Expect a _major_ speed penalty\n");
err_shown = 1;
return VO_FALSE;
}
if (mpi->flags & MP_IMGFLAG_READABLE) return VO_FALSE;
if (mpi->type != MP_IMGTYPE_STATIC && mpi->type != MP_IMGTYPE_TEMP &&
(mpi->type != MP_IMGTYPE_NUMBERED || mpi->number))
return VO_FALSE;
if (mesa_buffer) mpi->width = texture_width;
else if (ati_hack) {
mpi->width = texture_width;
mpi->height = texture_height;
}
mpi->stride[0] = mpi->width * mpi->bpp / 8;
needed_size = mpi->stride[0] * mpi->height;
if (mesa_buffer) {
#ifndef GL_WIN32
if (mesa_bufferptr && needed_size > mesa_buffersize) {
FreeMemoryMESA(mDisplay, mScreen, mesa_bufferptr);
mesa_bufferptr = NULL;
}
if (!mesa_bufferptr)
mesa_bufferptr = AllocateMemoryMESA(mDisplay, mScreen, needed_size, 0, 0, 0);
mesa_buffersize = needed_size;
#endif
mpi->planes[0] = mesa_bufferptr;
} else {
if (!gl_buffer)
GenBuffers(1, &gl_buffer);
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
if (needed_size > gl_buffersize) {
gl_buffersize = needed_size;
BufferData(GL_PIXEL_UNPACK_BUFFER, gl_buffersize,
NULL, GL_DYNAMIC_DRAW);
}
if (!gl_bufferptr)
gl_bufferptr = MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
mpi->planes[0] = gl_bufferptr;
BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
if (!mpi->planes[0]) {
if (!err_shown)
mp_msg(MSGT_VO, MSGL_ERR, "[gl] could not acquire buffer for dr\n"
"Expect a _major_ speed penalty\n");
err_shown = 1;
return VO_FALSE;
}
if (mpi->imgfmt == IMGFMT_YV12) {
// YV12
mpi->flags |= MP_IMGFLAG_COMMON_STRIDE | MP_IMGFLAG_COMMON_PLANE;
mpi->stride[0] = mpi->width;
mpi->planes[1] = mpi->planes[0] + mpi->stride[0] * mpi->height;
mpi->stride[1] = mpi->width >> 1;
mpi->planes[2] = mpi->planes[1] + mpi->stride[1] * (mpi->height >> 1);
mpi->stride[2] = mpi->width >> 1;
if (ati_hack && !mesa_buffer) {
mpi->flags &= ~MP_IMGFLAG_COMMON_PLANE;
if (!gl_buffer_uv[0]) GenBuffers(2, gl_buffer_uv);
if (mpi->stride[1] * mpi->height > gl_buffersize_uv) {
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[0]);
BufferData(GL_PIXEL_UNPACK_BUFFER, mpi->stride[1] * mpi->height,
NULL, GL_DYNAMIC_DRAW);
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[1]);
BufferData(GL_PIXEL_UNPACK_BUFFER, mpi->stride[1] * mpi->height,
NULL, GL_DYNAMIC_DRAW);
gl_buffersize_uv = mpi->stride[1] * mpi->height;
}
if (!gl_bufferptr_uv[0]) {
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[0]);
gl_bufferptr_uv[0] = MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[1]);
gl_bufferptr_uv[1] = MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
}
mpi->planes[1] = gl_bufferptr_uv[0];
mpi->planes[2] = gl_bufferptr_uv[1];
}
}
mpi->flags |= MP_IMGFLAG_DIRECT;
return VO_TRUE;
}
static void clear_border(uint8_t *dst, int start, int stride, int height, int full_height, int value) {
int right_border = stride - start;
int bottom_border = full_height - height;
while (height > 0) {
memset(dst + start, value, right_border);
dst += stride;
height--;
}
if (bottom_border > 0)
memset(dst, value, stride * bottom_border);
}
static uint32_t draw_image(mp_image_t *mpi) {
int slice = slice_height;
int stride[3];
unsigned char *planes[3];
mp_image_t mpi2 = *mpi;
int w = mpi->w, h = mpi->h;
if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
goto skip_upload;
mpi2.flags = 0; mpi2.type = MP_IMGTYPE_TEMP;
mpi2.width = mpi2.w; mpi2.height = mpi2.h;
if (force_pbo && !(mpi->flags & MP_IMGFLAG_DIRECT) && !gl_bufferptr && get_image(&mpi2) == VO_TRUE) {
int bpp = mpi->imgfmt == IMGFMT_YV12 ? 8 : mpi->bpp;
memcpy_pic(mpi2.planes[0], mpi->planes[0], mpi->w * bpp / 8, mpi->h, mpi2.stride[0], mpi->stride[0]);
if (mpi->imgfmt == IMGFMT_YV12) {
memcpy_pic(mpi2.planes[1], mpi->planes[1], mpi->w >> 1, mpi->h >> 1, mpi2.stride[1], mpi->stride[1]);
memcpy_pic(mpi2.planes[2], mpi->planes[2], mpi->w >> 1, mpi->h >> 1, mpi2.stride[2], mpi->stride[2]);
}
if (ati_hack) { // since we have to do a full upload we need to clear the borders
clear_border(mpi2.planes[0], mpi->w * bpp / 8, mpi2.stride[0], mpi->h, mpi2.height, 0);
if (mpi->imgfmt == IMGFMT_YV12) {
clear_border(mpi2.planes[1], mpi->w >> 1, mpi2.stride[1], mpi->h >> 1, mpi2.height >> 1, 128);
clear_border(mpi2.planes[2], mpi->w >> 1, mpi2.stride[2], mpi->h >> 1, mpi2.height >> 1, 128);
}
}
mpi = &mpi2;
}
stride[0] = mpi->stride[0]; stride[1] = mpi->stride[1]; stride[2] = mpi->stride[2];
planes[0] = mpi->planes[0]; planes[1] = mpi->planes[1]; planes[2] = mpi->planes[2];
mpi_flipped = stride[0] < 0;
if (mpi->flags & MP_IMGFLAG_DIRECT) {
if (mesa_buffer) {
glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, 1);
w = texture_width;
} else {
intptr_t base = (intptr_t)planes[0];
if (ati_hack) { w = texture_width; h = texture_height; }
if (mpi_flipped)
base += (mpi->h - 1) * stride[0];
planes[0] -= base;
planes[1] -= base;
planes[2] -= base;
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
gl_bufferptr = NULL;
if (!(mpi->flags & MP_IMGFLAG_COMMON_PLANE))
planes[0] = planes[1] = planes[2] = NULL;
}
slice = 0; // always "upload" full texture
}
glUploadTex(gl_target, gl_format, gl_type, planes[0], stride[0],
mpi->x, mpi->y, w, h, slice);
if (mpi->imgfmt == IMGFMT_YV12) {
if ((mpi->flags & MP_IMGFLAG_DIRECT) && !(mpi->flags & MP_IMGFLAG_COMMON_PLANE)) {
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[0]);
UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
gl_bufferptr_uv[0] = NULL;
}
ActiveTexture(GL_TEXTURE1);
glUploadTex(gl_target, gl_format, gl_type, planes[1], stride[1],
mpi->x / 2, mpi->y / 2, w / 2, h / 2, slice);
if ((mpi->flags & MP_IMGFLAG_DIRECT) && !(mpi->flags & MP_IMGFLAG_COMMON_PLANE)) {
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer_uv[1]);
UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
gl_bufferptr_uv[1] = NULL;
}
ActiveTexture(GL_TEXTURE2);
glUploadTex(gl_target, gl_format, gl_type, planes[2], stride[2],
mpi->x / 2, mpi->y / 2, w / 2, h / 2, slice);
ActiveTexture(GL_TEXTURE0);
}
if (mpi->flags & MP_IMGFLAG_DIRECT) {
if (mesa_buffer) glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, 0);
else BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
skip_upload:
if (vo_doublebuffering) do_render();
return VO_TRUE;
}
static int
draw_frame(uint8_t *src[])
{
return VO_ERROR;
}
static int
query_format(uint32_t format)
{
int caps = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW |
VFCAP_FLIP |
VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
if (use_osd)
caps |= VFCAP_OSD | VFCAP_EOSD | (scaled_osd ? 0 : VFCAP_EOSD_UNSCALED);
if (format == IMGFMT_RGB24 || format == IMGFMT_RGBA)
return caps;
if (use_yuv && format == IMGFMT_YV12)
return caps;
// HACK, otherwise we get only b&w with some filters (e.g. -vf eq)
// ideally MPlayer should be fixed instead not to use Y800 when it has the choice
if (!use_yuv && (format == IMGFMT_Y8 || format == IMGFMT_Y800))
return 0;
if (!use_ycbcr && (format == IMGFMT_UYVY || format == IMGFMT_YUY2))
return 0;
if (many_fmts &&
glFindFormat(format, NULL, NULL, NULL, NULL))
return caps;
return 0;
}
static void
uninit(void)
{
if (!vo_config_count) return;
uninitGl();
releaseGlContext(&gl_vinfo, &gl_context);
if (custom_prog) free(custom_prog);
custom_prog = NULL;
if (custom_tex) free(custom_tex);
custom_tex = NULL;
vo_uninit();
}
static const opt_t subopts[] = {
{"manyfmts", OPT_ARG_BOOL, &many_fmts, NULL},
{"osd", OPT_ARG_BOOL, &use_osd, NULL},
{"scaled-osd", OPT_ARG_BOOL, &scaled_osd, NULL},
{"aspect", OPT_ARG_BOOL, &use_aspect, NULL},
{"ycbcr", OPT_ARG_BOOL, &use_ycbcr, NULL},
{"slice-height", OPT_ARG_INT, &slice_height, (opt_test_f)int_non_neg},
{"rectangle", OPT_ARG_INT, &use_rectangle,(opt_test_f)int_non_neg},
{"yuv", OPT_ARG_INT, &use_yuv, (opt_test_f)int_non_neg},
{"lscale", OPT_ARG_INT, &lscale, (opt_test_f)int_non_neg},
{"cscale", OPT_ARG_INT, &cscale, (opt_test_f)int_non_neg},
{"filter-strength", OPT_ARG_FLOAT, &filter_strength, NULL},
{"ati-hack", OPT_ARG_BOOL, &ati_hack, NULL},
{"force-pbo", OPT_ARG_BOOL, &force_pbo, NULL},
{"mesa-buffer", OPT_ARG_BOOL, &mesa_buffer, NULL},
{"glfinish", OPT_ARG_BOOL, &use_glFinish, NULL},
{"swapinterval", OPT_ARG_INT, &swap_interval,NULL},
{"customprog", OPT_ARG_MSTRZ,&custom_prog, NULL},
{"customtex", OPT_ARG_MSTRZ,&custom_tex, NULL},
{"customtlin", OPT_ARG_BOOL, &custom_tlin, NULL},
{"customtrect", OPT_ARG_BOOL, &custom_trect, NULL},
{"osdcolor", OPT_ARG_INT, &osd_color, NULL},
{NULL}
};
static int preinit(const char *arg)
{
// set defaults
many_fmts = 1;
use_osd = 1;
scaled_osd = 0;
use_aspect = 1;
use_ycbcr = 0;
use_yuv = 0;
lscale = 0;
cscale = 0;
filter_strength = 0.5;
use_rectangle = -1;
use_glFinish = 0;
ati_hack = -1;
force_pbo = -1;
mesa_buffer = 0;
swap_interval = 1;
slice_height = 0;
custom_prog = NULL;
custom_tex = NULL;
custom_tlin = 1;
custom_trect = 0;
osd_color = 0xffffff;
if (subopt_parse(arg, subopts) != 0) {
mp_msg(MSGT_VO, MSGL_FATAL,
"\n-vo gl command line help:\n"
"Example: mplayer -vo gl:slice-height=4\n"
"\nOptions:\n"
" nomanyfmts\n"
" Disable extended color formats for OpenGL 1.2 and later\n"
" slice-height=<0-...>\n"
" Slice size for texture transfer, 0 for whole image\n"
" noosd\n"
" Do not use OpenGL OSD code\n"
" scaled-osd\n"
" Render OSD at movie resolution and scale it\n"
" noaspect\n"
" Do not do aspect scaling\n"
" rectangle=<0,1,2>\n"
" 0: use power-of-two textures\n"
" 1: use texture_rectangle\n"
" 2: use texture_non_power_of_two\n"
" ati-hack\n"
" Workaround ATI bug with PBOs\n"
" force-pbo\n"
" Force use of PBO even if this involves an extra memcpy\n"
" glfinish\n"
" Call glFinish() before swapping buffers\n"
" swapinterval=<n>\n"
" Interval in displayed frames between to buffer swaps.\n"
" 1 is equivalent to enable VSYNC, 0 to disable VSYNC.\n"
" Requires GLX_SGI_swap_control support to work.\n"
" yuv=<n>\n"
" 0: use software YUV to RGB conversion.\n"
" 1: use register combiners (nVidia only, for older cards).\n"
" 2: use fragment program.\n"
" 3: use fragment program with gamma correction.\n"
" 4: use fragment program with gamma correction via lookup.\n"
" 5: use ATI-specific method (for older cards).\n"
" 6: use lookup via 3D texture.\n"
" lscale=<n>\n"
" 0: use standard bilinear scaling for luma.\n"
" 1: use improved bicubic scaling for luma.\n"
" 2: use cubic in X, linear in Y direction scaling for luma.\n"
" 3: as 1 but without using a lookup texture.\n"
" 4: experimental unsharp masking (sharpening).\n"
" 5: experimental unsharp masking (sharpening) with larger radius.\n"
" cscale=<n>\n"
" as lscale but for chroma (2x slower with little visible effect).\n"
" filter-strength=<value>\n"
" set the effect strength for some lscale/cscale filters\n"
" customprog=<filename>\n"
" use a custom YUV conversion program\n"
" customtex=<filename>\n"
" use a custom YUV conversion lookup texture\n"
" nocustomtlin\n"
" use GL_NEAREST scaling for customtex texture\n"
" customtrect\n"
" use texture_rectangle for customtex texture\n"
" osdcolor=<0xAARRGGBB>\n"
" use the given color for the OSD\n"
" ycbcr\n"
" also try to use the GL_MESA_ycbcr_texture extension\n"
"\n" );
return -1;
}
if (use_rectangle == 1)
gl_target = GL_TEXTURE_RECTANGLE;
else
gl_target = GL_TEXTURE_2D;
yuvconvtype = use_yuv | lscale << YUV_LUM_SCALER_SHIFT | cscale << YUV_CHROM_SCALER_SHIFT;
if (many_fmts)
mp_msg(MSGT_VO, MSGL_INFO, "[gl] using extended formats. "
"Use -vo gl:nomanyfmts if playback fails.\n");
mp_msg(MSGT_VO, MSGL_V, "[gl] Using %d as slice height "
"(0 means image height).\n", slice_height);
if (!vo_init()) return -1; // Can't open X11
return 0;
}
#define MASK_ALL_YUV (~(1 << YUV_CONVERSION_NONE))
#define MASK_NOT_COMBINERS (~((1 << YUV_CONVERSION_NONE) | (1 << YUV_CONVERSION_COMBINERS) | (1 << YUV_CONVERSION_COMBINERS_ATI)))
#define MASK_GAMMA_SUPPORT (MASK_NOT_COMBINERS & ~(1 << YUV_CONVERSION_FRAGMENT))
static const struct {
const char *name;
int *value;
int supportmask;
} eq_map[] = {
{"brightness", &eq_bri, MASK_NOT_COMBINERS},
{"contrast", &eq_cont, MASK_NOT_COMBINERS},
{"saturation", &eq_sat, MASK_ALL_YUV },
{"hue", &eq_hue, MASK_ALL_YUV },
{"gamma", &eq_rgamma, MASK_GAMMA_SUPPORT},
{"red_gamma", &eq_rgamma, MASK_GAMMA_SUPPORT},
{"green_gamma", &eq_ggamma, MASK_GAMMA_SUPPORT},
{"blue_gamma", &eq_bgamma, MASK_GAMMA_SUPPORT},
{NULL, NULL, 0 }
};
static int control(uint32_t request, void *data)
{
switch (request) {
case VOCTRL_PAUSE:
case VOCTRL_RESUME:
int_pause = (request == VOCTRL_PAUSE);
return VO_TRUE;
case VOCTRL_QUERY_FORMAT:
return query_format(*(uint32_t*)data);
case VOCTRL_GET_IMAGE:
return get_image(data);
case VOCTRL_DRAW_IMAGE:
return draw_image(data);
case VOCTRL_DRAW_EOSD:
if (!data)
return VO_FALSE;
genEOSD(data);
if (vo_doublebuffering) do_render_osd(2);
return VO_TRUE;
case VOCTRL_GET_EOSD_RES:
{
mp_eosd_res_t *r = data;
r->mt = r->mb = r->ml = r->mr = 0;
if (scaled_osd) {r->w = image_width; r->h = image_height;}
else if (vo_fs) {
r->w = vo_screenwidth; r->h = vo_screenheight;
r->ml = r->mr = ass_border_x;
r->mt = r->mb = ass_border_y;
} else {
r->w = vo_dwidth; r->h = vo_dheight;
}
}
return VO_TRUE;
case VOCTRL_GUISUPPORT:
return VO_TRUE;
case VOCTRL_ONTOP:
vo_gl_ontop();
return VO_TRUE;
case VOCTRL_FULLSCREEN:
vo_fullscreen();
resize(vo_dwidth, vo_dheight);
return VO_TRUE;
case VOCTRL_BORDER:
vo_gl_border();
resize(vo_dwidth, vo_dheight);
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
if (!use_aspect) return VO_NOTIMPL;
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
if (!use_aspect) return VO_NOTIMPL;
resize(vo_dwidth, vo_dheight);
return VO_TRUE;
case VOCTRL_GET_EQUALIZER:
if (image_format == IMGFMT_YV12) {
struct voctrl_get_equalizer_args *args = data;
int i;
for (i = 0; eq_map[i].name; i++)
if (strcmp(args->name, eq_map[i].name) == 0) break;
if (!(eq_map[i].supportmask & (1 << use_yuv)))
break;
*args->valueptr = *eq_map[i].value;
return VO_TRUE;
}
break;
case VOCTRL_SET_EQUALIZER:
if (image_format == IMGFMT_YV12) {
struct voctrl_set_equalizer_args *args = data;
int i;
for (i = 0; eq_map[i].name; i++)
if (strcmp(args->name, eq_map[i].name) == 0) break;
if (!(eq_map[i].supportmask & (1 << use_yuv)))
break;
*eq_map[i].value = args->value;
update_yuvconv();
return VO_TRUE;
}
break;
case VOCTRL_UPDATE_SCREENINFO:
update_xinerama_info();
return VO_TRUE;
case VOCTRL_REDRAW_OSD:
if (vo_doublebuffering)
do_render();
draw_osd();
if (vo_doublebuffering)
do_render_osd(2);
flip_page();
return VO_TRUE;
}
return VO_NOTIMPL;
}
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