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mpv/libvo/video_out.c
diego 46206e2b28 vo_png now depends on libavcodec, not libpng. 
patch by Emanuele Giaquinta, emanuele.giaquinta gmail com


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30225 b3059339-0415-0410-9bf9-f77b7e298cf2
2010-01-05 10:52:12 +00:00

527 lines
14 KiB
C
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/*
* libvo common functions, variables used by many/all drivers.
*
* 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 <unistd.h>
//#include <sys/mman.h>
#include "config.h"
#include "video_out.h"
#include "aspect.h"
#include "geometry.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "osdep/shmem.h"
//int vo_flags=0;
int xinerama_screen = -1;
int xinerama_x;
int xinerama_y;
// currect resolution/bpp on screen: (should be autodetected by vo_init())
int vo_depthonscreen=0;
int vo_screenwidth=0;
int vo_screenheight=0;
int vo_config_count=0;
// requested resolution/bpp: (-x -y -bpp options)
int vo_dx=0;
int vo_dy=0;
int vo_dwidth=0;
int vo_dheight=0;
int vo_dbpp=0;
int vo_nomouse_input = 0;
int vo_grabpointer = 1;
int vo_doublebuffering = 1;
int vo_vsync = 0;
int vo_fs = 0;
int vo_fsmode = 0;
float vo_panscan = 0.0f;
int vo_ontop = 0;
int vo_adapter_num=0;
int vo_refresh_rate=0;
int vo_keepaspect=1;
int vo_rootwin=0;
int vo_border=1;
int64_t WinID = -1;
int vo_pts=0; // for hw decoding
float vo_fps=0;
char *vo_subdevice = NULL;
int vo_directrendering=0;
int vo_colorkey = 0x0000ff00; // default colorkey is green
// (0xff000000 means that colorkey has been disabled)
// name to be used instead of the vo's default
char *vo_winname;
// title to be applied to movie window
char *vo_wintitle;
//
// Externally visible list of all vo drivers
//
extern vo_functions_t video_out_mga;
extern vo_functions_t video_out_xmga;
extern vo_functions_t video_out_x11;
extern vo_functions_t video_out_xover;
extern vo_functions_t video_out_xvmc;
extern vo_functions_t video_out_vdpau;
extern vo_functions_t video_out_xv;
extern vo_functions_t video_out_gl;
extern vo_functions_t video_out_gl2;
extern vo_functions_t video_out_matrixview;
extern vo_functions_t video_out_dga;
extern vo_functions_t video_out_sdl;
extern vo_functions_t video_out_3dfx;
extern vo_functions_t video_out_tdfxfb;
extern vo_functions_t video_out_s3fb;
extern vo_functions_t video_out_wii;
extern vo_functions_t video_out_null;
extern vo_functions_t video_out_zr;
extern vo_functions_t video_out_zr2;
extern vo_functions_t video_out_bl;
extern vo_functions_t video_out_fbdev;
extern vo_functions_t video_out_fbdev2;
extern vo_functions_t video_out_svga;
extern vo_functions_t video_out_png;
extern vo_functions_t video_out_ggi;
extern vo_functions_t video_out_aa;
extern vo_functions_t video_out_caca;
extern vo_functions_t video_out_mpegpes;
extern vo_functions_t video_out_yuv4mpeg;
extern vo_functions_t video_out_direct3d;
extern vo_functions_t video_out_directx;
extern vo_functions_t video_out_kva;
extern vo_functions_t video_out_dxr2;
extern vo_functions_t video_out_dxr3;
extern vo_functions_t video_out_ivtv;
extern vo_functions_t video_out_v4l2;
extern vo_functions_t video_out_jpeg;
extern vo_functions_t video_out_gif89a;
extern vo_functions_t video_out_vesa;
extern vo_functions_t video_out_directfb;
extern vo_functions_t video_out_dfbmga;
extern vo_functions_t video_out_xvidix;
extern vo_functions_t video_out_winvidix;
extern vo_functions_t video_out_cvidix;
extern vo_functions_t video_out_tdfx_vid;
extern vo_functions_t video_out_xvr100;
extern vo_functions_t video_out_tga;
extern vo_functions_t video_out_corevideo;
extern vo_functions_t video_out_quartz;
extern vo_functions_t video_out_pnm;
extern vo_functions_t video_out_md5sum;
const vo_functions_t* const video_out_drivers[] =
{
#ifdef CONFIG_XVR100
&video_out_xvr100,
#endif
#ifdef CONFIG_TDFX_VID
&video_out_tdfx_vid,
#endif
#ifdef CONFIG_DIRECTX
&video_out_directx,
#endif
#ifdef CONFIG_DIRECT3D
&video_out_direct3d,
#endif
#ifdef CONFIG_KVA
&video_out_kva,
#endif
#ifdef CONFIG_COREVIDEO
&video_out_corevideo,
#endif
#ifdef CONFIG_QUARTZ
&video_out_quartz,
#endif
#ifdef CONFIG_XMGA
&video_out_xmga,
#endif
#ifdef CONFIG_MGA
&video_out_mga,
#endif
#ifdef CONFIG_TDFXFB
&video_out_tdfxfb,
#endif
#ifdef CONFIG_S3FB
&video_out_s3fb,
#endif
#ifdef CONFIG_WII
&video_out_wii,
#endif
#ifdef CONFIG_3DFX
&video_out_3dfx,
#endif
#if CONFIG_VDPAU
&video_out_vdpau,
#endif
#ifdef CONFIG_XV
&video_out_xv,
#endif
#ifdef CONFIG_X11
&video_out_x11,
&video_out_xover,
#endif
#ifdef CONFIG_GL
&video_out_gl,
&video_out_gl2,
#endif
#ifdef CONFIG_MATRIXVIEW
&video_out_matrixview,
#endif
#ifdef CONFIG_DGA
&video_out_dga,
#endif
#ifdef CONFIG_SDL
&video_out_sdl,
#endif
#ifdef CONFIG_GGI
&video_out_ggi,
#endif
#ifdef CONFIG_FBDEV
&video_out_fbdev,
&video_out_fbdev2,
#endif
#ifdef CONFIG_SVGALIB
&video_out_svga,
#endif
#ifdef CONFIG_AA
&video_out_aa,
#endif
#ifdef CONFIG_CACA
&video_out_caca,
#endif
#ifdef CONFIG_DXR2
&video_out_dxr2,
#endif
#ifdef CONFIG_DXR3
&video_out_dxr3,
#endif
#ifdef CONFIG_IVTV
&video_out_ivtv,
#endif
#ifdef CONFIG_V4L2_DECODER
&video_out_v4l2,
#endif
#ifdef CONFIG_ZR
&video_out_zr,
&video_out_zr2,
#endif
#ifdef CONFIG_BL
&video_out_bl,
#endif
#ifdef CONFIG_VESA
&video_out_vesa,
#endif
#ifdef CONFIG_DIRECTFB
&video_out_directfb,
#endif
#ifdef CONFIG_DFBMGA
&video_out_dfbmga,
#endif
#ifdef CONFIG_VIDIX
#ifdef CONFIG_X11
&video_out_xvidix,
#endif
#if defined(__MINGW32__) || defined(__CYGWIN__)
&video_out_winvidix,
#endif
&video_out_cvidix,
#endif
&video_out_null,
// should not be auto-selected
#if CONFIG_XVMC
&video_out_xvmc,
#endif
&video_out_mpegpes,
#ifdef CONFIG_YUV4MPEG
&video_out_yuv4mpeg,
#endif
#ifdef CONFIG_LIBAVCODEC
&video_out_png,
#endif
#ifdef CONFIG_JPEG
&video_out_jpeg,
#endif
#ifdef CONFIG_GIF
&video_out_gif89a,
#endif
#ifdef CONFIG_TGA
&video_out_tga,
#endif
#ifdef CONFIG_PNM
&video_out_pnm,
#endif
#ifdef CONFIG_MD5SUM
&video_out_md5sum,
#endif
NULL
};
void list_video_out(void){
int i=0;
mp_msg(MSGT_CPLAYER, MSGL_INFO, MSGTR_AvailableVideoOutputDrivers);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_OUTPUTS\n");
while (video_out_drivers[i]) {
const vo_info_t *info = video_out_drivers[i++]->info;
mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
}
mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
}
const vo_functions_t* init_best_video_out(char** vo_list){
int i;
// first try the preferred drivers, with their optional subdevice param:
if(vo_list && vo_list[0])
while(vo_list[0][0]){
char* vo=strdup(vo_list[0]);
vo_subdevice=strchr(vo,':');
if (!strcmp(vo, "pgm"))
mp_msg(MSGT_CPLAYER, MSGL_ERR, MSGTR_VO_PGM_HasBeenReplaced);
if (!strcmp(vo, "md5"))
mp_msg(MSGT_CPLAYER, MSGL_ERR, MSGTR_VO_MD5_HasBeenReplaced);
if(vo_subdevice){
vo_subdevice[0]=0;
++vo_subdevice;
}
for(i=0;video_out_drivers[i];i++){
const vo_functions_t* video_driver=video_out_drivers[i];
const vo_info_t *info = video_driver->info;
if(!strcmp(info->short_name,vo)){
// name matches, try it
if(!video_driver->preinit(vo_subdevice))
{
free(vo);
return video_driver; // success!
}
}
}
// continue...
free(vo);
++vo_list;
if(!(vo_list[0])) return NULL; // do NOT fallback to others
}
// now try the rest...
vo_subdevice=NULL;
for(i=0;video_out_drivers[i];i++){
const vo_functions_t* video_driver=video_out_drivers[i];
if(!video_driver->preinit(vo_subdevice))
return video_driver; // success!
}
return NULL;
}
int config_video_out(const vo_functions_t *vo, uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height, uint32_t flags,
char *title, uint32_t format) {
panscan_init();
aspect_save_orig(width,height);
aspect_save_prescale(d_width,d_height);
if (vo->control(VOCTRL_UPDATE_SCREENINFO, NULL) == VO_TRUE) {
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);
vo_dx += xinerama_x;
vo_dy += xinerama_y;
vo_dwidth = d_width;
vo_dheight = d_height;
}
return vo->config(width, height, d_width, d_height, flags, title, format);
}
/**
* \brief lookup an integer in a table, table must have 0 as the last key
* \param key key to search for
* \result translation corresponding to key or "to" value of last mapping
* if not found.
*/
int lookup_keymap_table(const struct keymap *map, int key) {
while (map->from && map->from != key) map++;
return map->to;
}
/**
* \brief helper function for the kind of panscan-scaling that needs a source
* and destination rectangle like Direct3D and VDPAU
*/
static void src_dst_split_scaling(int src_size, int dst_size, int scaled_src_size,
int *src_start, int *src_end, int *dst_start, int *dst_end) {
if (scaled_src_size > dst_size) {
int border = src_size * (scaled_src_size - dst_size) / scaled_src_size;
// round to a multiple of 2, this is at least needed for vo_direct3d and ATI cards
border = (border / 2 + 1) & ~1;
*src_start = border;
*src_end = src_size - border;
*dst_start = 0;
*dst_end = dst_size;
} else {
*src_start = 0;
*src_end = src_size;
*dst_start = (dst_size - scaled_src_size) / 2;
*dst_end = *dst_start + scaled_src_size;
}
}
/**
* Calculate the appropriate source and destination rectangle to
* get a correctly scaled picture, including pan-scan.
* Can be extended to take future cropping support into account.
*
* \param crop specifies the cropping border size in the left, right, top and bottom members, may be NULL
* \param borders the border values as e.g. EOSD (ASS) and properly placed DVD highlight support requires,
* may be NULL and only left and top are currently valid.
*/
void calc_src_dst_rects(int src_width, int src_height, struct vo_rect *src, struct vo_rect *dst,
struct vo_rect *borders, const struct vo_rect *crop) {
static const struct vo_rect no_crop = {0, 0, 0, 0, 0, 0};
int scaled_width = 0;
int scaled_height = 0;
if (!crop) crop = &no_crop;
src_width -= crop->left + crop->right;
src_height -= crop->top + crop->bottom;
if (src_width < 2) src_width = 2;
if (src_height < 2) src_height = 2;
dst->left = 0; dst->right = vo_dwidth;
dst->top = 0; dst->bottom = vo_dheight;
src->left = 0; src->right = src_width;
src->top = 0; src->bottom = src_height;
if (borders) {
borders->left = 0; borders->top = 0;
}
if (aspect_scaling()) {
aspect(&scaled_width, &scaled_height, A_WINZOOM);
panscan_calc_windowed();
scaled_width += vo_panscan_x;
scaled_height += vo_panscan_y;
if (borders) {
borders->left = (vo_dwidth - scaled_width ) / 2;
borders->top = (vo_dheight - scaled_height) / 2;
}
src_dst_split_scaling(src_width, vo_dwidth, scaled_width,
&src->left, &src->right, &dst->left, &dst->right);
src_dst_split_scaling(src_height, vo_dheight, scaled_height,
&src->top, &src->bottom, &dst->top, &dst->bottom);
}
src->left += crop->left; src->right += crop->left;
src->top += crop->top; src->bottom += crop->top;
src->width = src->right - src->left;
src->height = src->bottom - src->top;
dst->width = dst->right - dst->left;
dst->height = dst->bottom - dst->top;
}
#if defined(CONFIG_FBDEV) || defined(CONFIG_VESA)
/* Borrowed from vo_fbdev.c
Monitor ranges related functions*/
char *monitor_hfreq_str = NULL;
char *monitor_vfreq_str = NULL;
char *monitor_dotclock_str = NULL;
float range_max(range_t *r)
{
float max = 0;
for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
if (max < r->max) max = r->max;
return max;
}
int in_range(range_t *r, float f)
{
for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
if (f >= r->min && f <= r->max)
return 1;
return 0;
}
range_t *str2range(char *s)
{
float tmp_min, tmp_max;
char *endptr = s; // to start the loop
range_t *r = NULL;
int i;
if (!s)
return NULL;
for (i = 0; *endptr; i++) {
if (*s == ',')
goto out_err;
if (!(r = (range_t *) realloc(r, sizeof(*r) * (i + 2)))) {
mp_msg(MSGT_GLOBAL, MSGL_WARN,"can't realloc 'r'\n");
return NULL;
}
tmp_min = strtod(s, &endptr);
if (*endptr == 'k' || *endptr == 'K') {
tmp_min *= 1000.0;
endptr++;
} else if (*endptr == 'm' || *endptr == 'M') {
tmp_min *= 1000000.0;
endptr++;
}
if (*endptr == '-') {
tmp_max = strtod(endptr + 1, &endptr);
if (*endptr == 'k' || *endptr == 'K') {
tmp_max *= 1000.0;
endptr++;
} else if (*endptr == 'm' || *endptr == 'M') {
tmp_max *= 1000000.0;
endptr++;
}
if (*endptr != ',' && *endptr)
goto out_err;
} else if (*endptr == ',' || !*endptr) {
tmp_max = tmp_min;
} else
goto out_err;
r[i].min = tmp_min;
r[i].max = tmp_max;
if (r[i].min < 0 || r[i].max < 0)
goto out_err;
s = endptr + 1;
}
r[i].min = r[i].max = -1;
return r;
out_err:
if (r)
free(r);
return NULL;
}
/* Borrowed from vo_fbdev.c END */
#endif
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