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mpv/libvo/vo_gl.c

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#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 HAVE_NEW_GUI
#include "Gui/interface.h"
#endif
static vo_info_t info =
{
"X11 (OpenGL)",
"gl",
"Arpad Gereoffy <arpi@esp-team.scene.hu>",
""
};
LIBVO_EXTERN(gl)
#ifdef GL_WIN32
static int gl_vinfo = 0;
static HGLRC gl_context = 0;
#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
//! Display lists that draw the OSD parts
static GLuint osdDispList[MAX_OSD_PARTS];
//! How many parts the OSD currently consists of
static int osdtexCnt;
static int use_aspect;
static int use_yuv;
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 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 int gl_buffersize;
static GLuint fragprog;
static GLuint uvtexs[2];
static GLuint lookupTex;
static char *custom_prog;
static char *custom_tex;
static int custom_tlin;
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 unsigned int slice_height = 1;
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();
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);
}
glOrtho(0, image_width, image_height, 0, -1,1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
if (!scaled_osd) {
#ifdef HAVE_FREETYPE
// adjust font size to display size
force_load_font = 1;
#endif
vo_osd_changed(OSDTYPE_OSD);
}
if (vo_fs && use_aspect && !vo_doublebuffering)
glClear(GL_COLOR_BUFFER_BIT);
}
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;
}
}
//! maximum size of custom fragment program
#define MAX_CUSTOM_PROG_SIZE (1024 * 1024)
static void update_yuvconv() {
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);
glSetupYUVConversion(gl_target, use_yuv, bri, cont, hue, sat,
rgamma, ggamma, bgamma);
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 {
int i;
char *prog = calloc(1, MAX_CUSTOM_PROG_SIZE + 1);
fread(prog, 1, MAX_CUSTOM_PROG_SIZE, f);
fclose(f);
ProgramString(GL_FRAGMENT_PROGRAM, GL_PROGRAM_FORMAT_ASCII,
strlen(prog), prog);
glGetIntegerv(GL_PROGRAM_ERROR_POSITION, &i);
if (i != -1)
mp_msg(MSGT_VO, MSGL_ERR,
"[gl] Error in custom program at pos %i (%.20s)\n", i, &prog[i]);
free(prog);
}
ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 0,
1.0 / texture_width, 1.0 / texture_height, 0, 0);
}
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(GL_TEXTURE_2D, 3,
custom_tlin?GL_LINEAR:GL_NEAREST,
f, &width, &height, &maxval))
ProgramEnvParameter4f(GL_FRAGMENT_PROGRAM, 1,
1.0 / width, 1.0 / height, 1.0 / maxval, 0);
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() {
int i;
glDeleteTextures(osdtexCnt, osdtex);
#ifndef FAST_OSD
glDeleteTextures(osdtexCnt, osdatex);
#endif
for (i = 0; i < osdtexCnt; i++)
glDeleteLists(osdDispList[i], 1);
osdtexCnt = 0;
}
/**
* \brief uninitialize OpenGL context, freeing textures, buffers etc.
*/
static void uninitGl() {
if (DeletePrograms && fragprog)
DeletePrograms(1, &fragprog);
fragprog = 0;
if (uvtexs[0] || uvtexs[1])
glDeleteTextures(2, uvtexs);
uvtexs[0] = uvtexs[1] = 0;
if (lookupTex)
glDeleteTextures(1, &lookupTex);
lookupTex = 0;
clearOSD();
if (DeleteBuffers && gl_buffer)
DeleteBuffers(1, &gl_buffer);
gl_buffer = 0; gl_buffersize = 0;
err_shown = 0;
}
/**
* \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) {
osdtexCnt = 0; gl_buffer = 0; gl_buffersize = 0; err_shown = 0;
fragprog = 0; uvtexs[0] = 0; uvtexs[1] = 0; lookupTex = 0;
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);
mp_msg(MSGT_VO, MSGL_V, "[gl] Creating %dx%d texture...\n",
texture_width, texture_height);
if (image_format == IMGFMT_YV12) {
glGenTextures(2, uvtexs);
ActiveTexture(GL_TEXTURE1);
BindTexture(gl_target, uvtexs[0]);
glCreateClearTex(gl_target, gl_texfmt, GL_LINEAR,
texture_width / 2, texture_height / 2, 128);
ActiveTexture(GL_TEXTURE2);
BindTexture(gl_target, uvtexs[1]);
glCreateClearTex(gl_target, gl_texfmt, GL_LINEAR,
texture_width / 2, texture_height / 2, 128);
switch (use_yuv) {
case YUV_CONVERSION_FRAGMENT_LOOKUP:
glGenTextures(1, &lookupTex);
ActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, lookupTex);
case YUV_CONVERSION_FRAGMENT_POW:
case YUV_CONVERSION_FRAGMENT:
GenPrograms(1, &fragprog);
BindProgram(GL_FRAGMENT_PROGRAM, fragprog);
break;
}
ActiveTexture(GL_TEXTURE0);
BindTexture(gl_target, 0);
update_yuvconv();
}
glCreateClearTex(gl_target, gl_texfmt, 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);
int_pause = 0;
panscan_init();
aspect_save_orig(width,height);
aspect_save_prescale(d_width,d_height);
aspect_save_screenres(vo_screenwidth,vo_screenheight);
aspect(&d_width,&d_height,A_NOZOOM);
vo_dx = (int)(vo_screenwidth - d_width) / 2;
vo_dy = (int)(vo_screenheight - d_height) / 2;
geometry(&vo_dx, &vo_dy, &d_width, &d_height,
vo_screenwidth, vo_screenheight);
#ifdef HAVE_NEW_GUI
if (use_gui) {
// GUI creates and manages window for us
vo_dwidth = d_width;
vo_dheight= d_height;
guiGetEvent(guiSetShVideo, 0);
goto glconfig;
}
#endif
#ifdef GL_WIN32
o_dwidth = d_width;
o_dheight = d_height;
vo_fs = flags & VOFLAG_FULLSCREEN;
vo_vm = flags & VOFLAG_MODESWITCHING;
vo_dwidth = d_width;
vo_dheight = d_height;
if (!createRenderingContext())
return -1;
#else
if (WinID >= 0) {
vo_window = WinID ? (Window)WinID : mRootWin;
vo_x11_selectinput_witherr(mDisplay, vo_window,
StructureNotifyMask | KeyPressMask | PointerMotionMask |
ButtonPressMask | ButtonReleaseMask | ExposureMask);
goto glconfig;
}
if ( vo_window == None ) {
unsigned int fg, bg;
XSizeHints hint;
XVisualInfo *vinfo;
XEvent xev;
vo_fs = VO_FALSE;
hint.x = vo_dx;
hint.y = vo_dy;
hint.width = d_width;
hint.height = d_height;
hint.flags = PPosition | PSize;
/* Get some colors */
bg = WhitePixel(mDisplay, mScreen);
fg = BlackPixel(mDisplay, mScreen);
/* Make the window */
vinfo=glXChooseVisual( mDisplay,mScreen,wsGLXAttrib );
if (vinfo == NULL)
{
mp_msg(MSGT_VO, MSGL_ERR, "[gl] no GLX support present\n");
return -1;
}
vo_window = vo_x11_create_smooth_window(mDisplay, mRootWin, vinfo->visual, hint.x, hint.y, hint.width, hint.height,
vinfo->depth, XCreateColormap(mDisplay, mRootWin, vinfo->visual, AllocNone));
vo_x11_classhint( mDisplay,vo_window,"gl" );
vo_hidecursor(mDisplay,vo_window);
XSelectInput(mDisplay, vo_window, StructureNotifyMask);
/* Tell other applications about this window */
XSetStandardProperties(mDisplay, vo_window, title, title, None, NULL, 0, &hint);
/* Map window. */
XMapWindow(mDisplay, vo_window);
#ifdef HAVE_XINERAMA
vo_x11_xinerama_move(mDisplay,vo_window);
#endif
/* Wait for map. */
do
{
XNextEvent(mDisplay, &xev);
}
while (xev.type != MapNotify || xev.xmap.event != vo_window);
XSelectInput(mDisplay, vo_window, NoEventMask);
XSync(mDisplay, False);
vo_x11_selectinput_witherr(mDisplay, vo_window, StructureNotifyMask | KeyPressMask | PointerMotionMask
| ButtonPressMask | ButtonReleaseMask | ExposureMask
);
}
if (vo_ontop) vo_x11_setlayer(mDisplay, vo_window, vo_ontop);
vo_x11_nofs_sizepos(vo_dx, vo_dy, d_width, d_height);
if (vo_fs ^ (flags & VOFLAG_FULLSCREEN))
vo_x11_fullscreen();
#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) flip_page();
}
/**
* 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;
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, 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, scale_type, sx, sy, 255);
{
int i;
char *tmp = (char *)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; i--)
tmp[i] = srca[i] - 1;
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
osdDispList[osdtexCnt] = glGenLists(1);
glNewList(osdDispList[osdtexCnt], GL_COMPILE);
#ifndef FAST_OSD
// render alpha
glBlendFunc(GL_ZERO, GL_SRC_ALPHA);
BindTexture(gl_target, osdatex[osdtexCnt]);
glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
#endif
// render OSD
glBlendFunc (GL_ONE, GL_ONE);
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(osd_w, osd_h, create_osd_texture);
}
}
static void
flip_page(void)
{
// glEnable(GL_TEXTURE_2D);
// glBindTexture(GL_TEXTURE_2D, texture_id);
glColor3f(1,1,1);
if (image_format == IMGFMT_YV12)
glEnableYUVConversion(gl_target, use_yuv);
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);
if (image_format == IMGFMT_YV12)
glDisableYUVConversion(gl_target, use_yuv);
if (osdtexCnt > 0) {
// set special rendering parameters
if (!scaled_osd) {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, vo_dwidth, vo_dheight, 0, -1, 1);
}
glEnable(GL_BLEND);
// draw OSD
glCallLists(osdtexCnt, GL_UNSIGNED_INT, osdDispList);
// set rendering parameters back to defaults
glDisable (GL_BLEND);
if (!scaled_osd)
glPopMatrix();
BindTexture(gl_target, 0);
}
if (use_glFinish)
glFinish();
if (vo_doublebuffering)
swapGlBuffers();
else if (!use_glFinish)
glFlush();
if (vo_fs && use_aspect && vo_doublebuffering)
glClear(GL_COLOR_BUFFER_BIT);
}
//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) {
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_IP || mpi->type == MP_IMGTYPE_IPB)
return VO_FALSE; // we can not provide readable buffers
if (!gl_buffer)
GenBuffers(1, &gl_buffer);
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
mpi->stride[0] = mpi->width * mpi->bpp / 8;
if (mpi->stride[0] * mpi->h > gl_buffersize) {
BufferData(GL_PIXEL_UNPACK_BUFFER, mpi->stride[0] * mpi->h,
NULL, GL_DYNAMIC_DRAW);
gl_buffersize = mpi->stride[0] * mpi->h;
}
UnmapBuffer(GL_PIXEL_UNPACK_BUFFER); // HACK, needed for some MPEG4 files??
mpi->planes[0] = MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
if (mpi->planes[0] == NULL) {
if (!err_shown)
mp_msg(MSGT_VO, MSGL_ERR, "[gl] could not aquire 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;
}
mpi->flags |= MP_IMGFLAG_DIRECT;
return VO_TRUE;
}
static uint32_t draw_image(mp_image_t *mpi) {
unsigned char *data = mpi->planes[0];
int slice = slice_height;
if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
return VO_TRUE;
if (mpi->flags & MP_IMGFLAG_DIRECT) {
data = NULL;
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
UnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
slice = 0; // always "upload" full texture
}
mpi_flipped = (mpi->stride[0] < 0);
glUploadTex(gl_target, gl_format, gl_type, data, mpi->stride[0],
mpi->x, mpi->y, mpi->w, mpi->h, slice);
if (mpi->imgfmt == IMGFMT_YV12) {
data += mpi->planes[1] - mpi->planes[0];
ActiveTexture(GL_TEXTURE1);
glUploadTex(gl_target, gl_format, gl_type, data, mpi->stride[1],
mpi->x / 2, mpi->y / 2, mpi->w / 2, mpi->h / 2, slice);
data += mpi->planes[2] - mpi->planes[1];
ActiveTexture(GL_TEXTURE2);
glUploadTex(gl_target, gl_format, gl_type, data, mpi->stride[2],
mpi->x / 2, mpi->y / 2, mpi->w / 2, mpi->h / 2, slice);
ActiveTexture(GL_TEXTURE0);
}
if (mpi->flags & MP_IMGFLAG_DIRECT)
BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
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_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
if (use_osd)
caps |= VFCAP_OSD;
if ((format == IMGFMT_RGB24) || (format == IMGFMT_RGBA))
return caps;
if (use_yuv && format == IMGFMT_YV12)
return caps;
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 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},
{"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},
{"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},
{NULL}
};
static int preinit(const char *arg)
{
// set defaults
many_fmts = 1;
use_osd = 1;
scaled_osd = 0;
use_aspect = 1;
use_yuv = 0;
use_rectangle = 0;
use_glFinish = 0;
swap_interval = 1;
slice_height = -1;
custom_prog = NULL;
custom_tex = NULL;
custom_tlin = 1;
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"
" manyfmts\n"
" Enable 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"
" 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"
" 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"
" 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"
"\n" );
return -1;
}
if (use_rectangle == 1)
gl_target = GL_TEXTURE_RECTANGLE;
else
gl_target = GL_TEXTURE_2D;
if (slice_height == -1)
slice_height = use_yuv ? 16 : 4;
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;
}
static int control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_PAUSE: return (int_pause=1);
case VOCTRL_RESUME: return (int_pause=0);
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_GUISUPPORT:
return VO_TRUE;
case VOCTRL_ONTOP:
vo_ontop();
return VO_TRUE;
case VOCTRL_FULLSCREEN:
vo_fullscreen();
resize(vo_dwidth, vo_dheight);
return VO_TRUE;
#ifdef GL_WIN32
case VOCTRL_BORDER:
vo_w32_border();
return VO_TRUE;
#endif
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) {
va_list va;
int *value;
va_start(va, data);
value = va_arg(va, int *);
va_end(va);
if (strcasecmp(data, "brightness") == 0) {
*value = eq_bri;
if (use_yuv == YUV_CONVERSION_COMBINERS) break; // not supported
} else if (strcasecmp(data, "contrast") == 0) {
*value = eq_cont;
if (use_yuv == YUV_CONVERSION_COMBINERS) break; // not supported
} else if (strcasecmp(data, "saturation") == 0) {
*value = eq_sat;
} else if (strcasecmp(data, "hue") == 0) {
*value = eq_hue;
} else if (strcasecmp(data, "gamma") == 0) {
*value = eq_rgamma;
if (use_yuv == YUV_CONVERSION_COMBINERS ||
use_yuv == YUV_CONVERSION_FRAGMENT) break; // not supported
} else if (strcasecmp(data, "red_gamma") == 0) {
*value = eq_rgamma;
if (use_yuv == YUV_CONVERSION_COMBINERS ||
use_yuv == YUV_CONVERSION_FRAGMENT) break; // not supported
} else if (strcasecmp(data, "green_gamma") == 0) {
*value = eq_ggamma;
if (use_yuv == YUV_CONVERSION_COMBINERS ||
use_yuv == YUV_CONVERSION_FRAGMENT) break; // not supported
} else if (strcasecmp(data, "blue_gamma") == 0) {
*value = eq_bgamma;
if (use_yuv == YUV_CONVERSION_COMBINERS ||
use_yuv == YUV_CONVERSION_FRAGMENT) break; // not supported
}
return VO_TRUE;
}
break;
case VOCTRL_SET_EQUALIZER:
if (image_format == IMGFMT_YV12) {
va_list va;
int value;
va_start(va, data);
value = va_arg(va, int);
va_end(va);
if (strcasecmp(data, "brightness") == 0) {
eq_bri = value;
if (use_yuv == YUV_CONVERSION_COMBINERS) break; // not supported
} else if (strcasecmp(data, "contrast") == 0) {
eq_cont = value;
if (use_yuv == YUV_CONVERSION_COMBINERS) break; // not supported
} else if (strcasecmp(data, "saturation") == 0) {
eq_sat = value;
} else if (strcasecmp(data, "hue") == 0) {
eq_hue = value;
} else if (strcasecmp(data, "gamma") == 0) {
eq_rgamma = eq_ggamma = eq_bgamma = value;
if (use_yuv == YUV_CONVERSION_COMBINERS ||
use_yuv == YUV_CONVERSION_FRAGMENT) break; // not supported
} else if (strcasecmp(data, "red_gamma") == 0) {
eq_rgamma = value;
if (use_yuv == YUV_CONVERSION_COMBINERS ||
use_yuv == YUV_CONVERSION_FRAGMENT) break; // not supported
} else if (strcasecmp(data, "green_gamma") == 0) {
eq_ggamma = value;
if (use_yuv == YUV_CONVERSION_COMBINERS ||
use_yuv == YUV_CONVERSION_FRAGMENT) break; // not supported
} else if (strcasecmp(data, "blue_gamma") == 0) {
eq_bgamma = value;
if (use_yuv == YUV_CONVERSION_COMBINERS ||
use_yuv == YUV_CONVERSION_FRAGMENT) break; // not supported
}
update_yuvconv();
return VO_TRUE;
}
break;
}
return VO_NOTIMPL;
}
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