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mpv/libvo/mga_template.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 "fastmemcpy.h"
#include "cpudetect.h"
#include "libswscale/swscale.h"
#include <libavutil/imgutils.h>
#include "libmpcodecs/vf_scale.h"
#include "mp_msg.h"
#include "old_vo_wrapper.h"
// mga_vid drawing functions
static void set_window( void ); /* forward declaration to kill warnings */
#ifdef VO_XMGA
static void mDrawColorKey( void ); /* forward declaration to kill warnings */
#endif
static int mga_next_frame=0;
static mga_vid_config_t mga_vid_config;
static uint8_t *vid_data, *frames[4];
static int f = -1;
static uint32_t drwX,drwY,drwWidth,drwHeight;
static uint32_t drwcX,drwcY;
static struct SwsContext *sws_ctx;
static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
uint32_t bespitch = FFALIGN(mga_vid_config.src_width, 32);
x0+=mga_vid_config.src_width*(vo_panscan_x>>1)/(vo_dwidth+vo_panscan_x);
switch(mga_vid_config.format){
case MGA_VID_FORMAT_YV12:
case MGA_VID_FORMAT_IYUV:
case MGA_VID_FORMAT_I420:
vo_draw_alpha_yv12(w,h,src,srca,stride,vid_data+bespitch*y0+x0,bespitch);
break;
case MGA_VID_FORMAT_YUY2:
vo_draw_alpha_yuy2(w,h,src,srca,stride,vid_data+2*(bespitch*y0+x0),2*bespitch);
break;
case MGA_VID_FORMAT_UYVY:
vo_draw_alpha_yuy2(w,h,src,srca,stride,vid_data+2*(bespitch*y0+x0)+1,2*bespitch);
break;
}
}
static void draw_osd(void)
{
// vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
vo_draw_text(mga_vid_config.src_width-mga_vid_config.src_width*vo_panscan_x/(vo_dwidth+vo_panscan_x),mga_vid_config.src_height,draw_alpha);
}
static void
draw_slice_g200(uint8_t *image[], int stride[], int width,int height,int x,int y)
{
uint32_t bespitch = FFALIGN(mga_vid_config.src_width, 32);
int dst_stride[4] = { bespitch, bespitch };
uint8_t *dst[4];
av_image_fill_pointers(dst, PIX_FMT_NV12, mga_vid_config.src_height,
vid_data, dst_stride);
sws_scale(sws_ctx, image, stride, y, height, dst, dst_stride);
}
static void
draw_slice_g400(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
uint8_t *dest;
uint8_t *dest2;
uint32_t bespitch,bespitch2;
bespitch = FFALIGN(mga_vid_config.src_width, 32);
bespitch2 = bespitch/2;
dest = vid_data + bespitch * y + x;
mem2agpcpy_pic(dest, image[0], w, h, bespitch, stride[0]);
w/=2;h/=2;x/=2;y/=2;
dest = vid_data + bespitch*mga_vid_config.src_height + bespitch2 * y + x;
dest2= dest + bespitch2*mga_vid_config.src_height / 2;
if(mga_vid_config.format==MGA_VID_FORMAT_YV12){
// mga_vid's YV12 assumes Y,U,V order (instead of Y,V,U) :(
mem2agpcpy_pic(dest, image[1], w, h, bespitch2, stride[1]);
mem2agpcpy_pic(dest2,image[2], w, h, bespitch2, stride[2]);
} else {
mem2agpcpy_pic(dest, image[2], w, h, bespitch2, stride[2]);
mem2agpcpy_pic(dest2,image[1], w, h, bespitch2, stride[1]);
}
}
static int
draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
{
#if 0
printf("vo: %p/%d %p/%d %p/%d %dx%d/%d;%d \n",
src[0],stride[0],
src[1],stride[1],
src[2],stride[2],
w,h,x,y);
#endif
if (mga_vid_config.card_type == MGA_G200)
draw_slice_g200(src,stride,w,h,x,y);
else
draw_slice_g400(src,stride,w,h,x,y);
return 0;
}
static void
vo_mga_flip_page(void)
{
// printf("-- flip to %d --\n",mga_next_frame);
ioctl(f,MGA_VID_FSEL,&mga_next_frame);
mga_next_frame=(mga_next_frame+1)%mga_vid_config.num_frames;
vid_data=frames[mga_next_frame];
}
static int
draw_frame(uint8_t *src[])
{
mp_msg(MSGT_VO,MSGL_WARN,"!!! mga::draw_frame() called !!!\n");
return 0;
}
static uint32_t get_image(mp_image_t *mpi){
uint32_t bespitch = FFALIGN(mga_vid_config.src_width, 32);
uint32_t bespitch2 = bespitch/2;
// printf("mga: get_image() called\n");
if(mpi->type==MP_IMGTYPE_STATIC && mga_vid_config.num_frames>1) return VO_FALSE; // it is not static
if(mpi->flags&MP_IMGFLAG_READABLE) return VO_FALSE; // slow video ram
if(mga_vid_config.card_type == MGA_G200 && mpi->flags&MP_IMGFLAG_PLANAR) return VO_FALSE;
// printf("width=%d vs. bespitch=%d, flags=0x%X \n",mpi->width,bespitch,mpi->flags);
if((mpi->width==bespitch) ||
(mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH))){
// we're lucky or codec accepts stride => ok, let's go!
if(mpi->flags&MP_IMGFLAG_PLANAR){
mpi->planes[0]=vid_data;
if(mpi->flags&MP_IMGFLAG_SWAPPED){
mpi->planes[1]=vid_data + bespitch*mga_vid_config.src_height;
mpi->planes[2]=mpi->planes[1] + bespitch2*mga_vid_config.src_height/2;
} else {
mpi->planes[2]=vid_data + bespitch*mga_vid_config.src_height;
mpi->planes[1]=mpi->planes[2] + bespitch2*mga_vid_config.src_height/2;
}
mpi->width=mpi->stride[0]=bespitch;
mpi->stride[1]=mpi->stride[2]=bespitch2;
} else {
mpi->planes[0]=vid_data;
mpi->width=bespitch;
mpi->stride[0]=mpi->width*(mpi->bpp/8);
}
mpi->flags|=MP_IMGFLAG_DIRECT;
// printf("mga: get_image() SUCCESS -> Direct Rendering ENABLED\n");
return VO_TRUE;
}
return VO_FALSE;
}
static uint32_t
draw_image(mp_image_t *mpi){
uint32_t bespitch = FFALIGN(mga_vid_config.src_width, 32);
// if -dr or -slices then do nothing:
if(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK)) return VO_TRUE;
if(mpi->flags&MP_IMGFLAG_PLANAR){
// copy planar:
draw_slice(mpi->planes,mpi->stride,mpi->w,mpi->h,0,0);
} else {
// copy packed:
mem2agpcpy_pic(vid_data, mpi->planes[0], // dst,src
mpi->w*(mpi->bpp/8), mpi->h, // w,h
bespitch*2, mpi->stride[0]); // dstride,sstride
}
return VO_TRUE;
}
static int
query_format(uint32_t format)
{
switch(format){
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YUY2:
case IMGFMT_UYVY:
return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD|VFCAP_HWSCALE_UP|VFCAP_HWSCALE_DOWN|VFCAP_ACCEPT_STRIDE;
}
return 0;
}
#ifndef VO_XMGA
static void mga_fullscreen(void)
{
uint32_t w,h;
if ( !vo_fs ) {
vo_fs=VO_TRUE;
w=vo_screenwidth; h=vo_screenheight;
aspect(&w,&h,A_ZOOM);
} else {
vo_fs=VO_FALSE;
w=vo_dwidth; h=vo_dheight;
aspect(&w,&h,A_NOZOOM);
}
mga_vid_config.dest_width = w;
mga_vid_config.dest_height= h;
mga_vid_config.x_org=(vo_screenwidth-w)/2;
mga_vid_config.y_org=(vo_screenheight-h)/2;
if ( ioctl( f,MGA_VID_CONFIG,&mga_vid_config ) )
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] error in mga_vid_config ioctl (wrong mga_vid.o version?)" );
}
#endif
static int control(uint32_t request, void *data)
{
switch (request) {
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_SET_EQUALIZER:
{
short value;
uint32_t luma,prev;
struct voctrl_set_equalizer_args *args = data;
if (strcmp(args->name, "brightness") && strcmp(args->name, "contrast"))
return VO_FALSE;
if (ioctl(f,MGA_VID_GET_LUMA,&prev)) {
perror("Error in mga_vid_config ioctl()");
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] Could not get luma values from the kernel module!\n");
return VO_FALSE;
}
// printf("GET: 0x%4X 0x%4X \n",(prev>>16),(prev&0xffff));
value = args->value;
// printf("value: %d -> ",value);
value=((value+100)*255)/200-128; // maps -100=>-128 and +100=>127
// printf("%d \n",value);
if (!strcmp(args->name, "contrast"))
luma = (prev&0xFFFF0000)|(value&0xFFFF);
else
luma = (prev&0xFFFF)|(value<<16);
if (ioctl(f,MGA_VID_SET_LUMA,luma)) {
perror("Error in mga_vid_config ioctl()");
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] Could not set luma values from the kernel module!\n");
return VO_FALSE;
}
return VO_TRUE;
}
case VOCTRL_GET_EQUALIZER:
{
short val;
uint32_t luma;
struct voctrl_get_equalizer_args *args = data;
if (strcmp(args->name, "brightness") && strcmp(args->name, "contrast"))
return VO_FALSE;
if (ioctl(f,MGA_VID_GET_LUMA,&luma)) {
perror("Error in mga_vid_config ioctl()");
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] Could not get luma values from the kernel module!\n");
return VO_FALSE;
}
if (!strcmp(args->name, "contrast"))
val=(luma & 0xFFFF);
else
val=(luma >> 16);
*args->valueptr = (val*200)/255;
return VO_TRUE;
}
#ifndef VO_XMGA
case VOCTRL_FULLSCREEN:
if (vo_screenwidth && vo_screenheight)
mga_fullscreen();
else
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] Screen width/height unknown!\n");
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
if ( !vo_fs ) return VO_FALSE;
return VO_TRUE;
#endif
#ifdef VO_XMGA
case VOCTRL_ONTOP:
vo_x11_ontop();
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
if ( !initialized || !vo_fs ) return VO_FALSE;
return VO_TRUE;
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen();
vo_panscan_amount=0;
/* intended, fallthrough to update panscan on fullscreen/windowed switch */
#endif
case VOCTRL_SET_PANSCAN:
if ( vo_fs && ( vo_panscan != vo_panscan_amount ) ) // || ( !vo_fs && vo_panscan_amount ) )
{
// int old_y = vo_panscan_y;
panscan_calc();
// if ( old_y != vo_panscan_y )
set_window();
}
return VO_TRUE;
case VOCTRL_UPDATE_SCREENINFO:
#ifdef VO_XMGA
update_xinerama_info();
#else
aspect_save_screenres(vo_screenwidth, vo_screenheight);
#endif
return VO_TRUE;
}
return VO_NOTIMPL;
}
static int mga_init(int width,int height,unsigned int format){
uint32_t bespitch = FFALIGN(width, 32);
switch(format){
case IMGFMT_YV12:
width = FFALIGN(width, 2);
height = FFALIGN(height, 2);
mga_vid_config.frame_size = bespitch * height + (bespitch * height) / 2;
mga_vid_config.format=MGA_VID_FORMAT_I420; break;
case IMGFMT_I420:
case IMGFMT_IYUV:
width = FFALIGN(width, 2);
height = FFALIGN(height, 2);
mga_vid_config.frame_size = bespitch * height + (bespitch * height) / 2;
mga_vid_config.format=MGA_VID_FORMAT_YV12; break;
case IMGFMT_YUY2:
mga_vid_config.frame_size = bespitch * height * 2;
mga_vid_config.format=MGA_VID_FORMAT_YUY2; break;
case IMGFMT_UYVY:
mga_vid_config.frame_size = bespitch * height * 2;
mga_vid_config.format=MGA_VID_FORMAT_UYVY; break;
default:
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] invalid output format %0X\n",format);
return -1;
}
mga_vid_config.src_width = width;
mga_vid_config.src_height= height;
if(!mga_vid_config.dest_width)
mga_vid_config.dest_width = width;
if(!mga_vid_config.dest_height)
mga_vid_config.dest_height= height;
mga_vid_config.colkey_on=0;
mga_vid_config.num_frames=(vo_directrendering && !vo_doublebuffering)?1:3;
mga_vid_config.version=MGA_VID_VERSION;
if(width > 1024 && height > 1024)
{
mp_tmsg(MSGT_VO,MSGL_ERR, "[MGA] Source resolution exceeds 1023x1023 in at least one dimension.\n[MGA] Rescale in software or use -lavdopts lowres=1.\n");
return -1;
} else if(height <= 1024)
{
// try whether we have a G550
int ret;
if ((ret = ioctl(f,MGA_VID_CONFIG,&mga_vid_config)))
{
if(mga_vid_config.card_type != MGA_G550)
{
// we don't have a G550, so our resolution is too high
mp_tmsg(MSGT_VO,MSGL_ERR, "[MGA] Source resolution exceeds 1023x1023 in at least one dimension.\n[MGA] Rescale in software or use -lavdopts lowres=1.\n");
return -1;
} else {
// there is a deeper problem
// we have a G550, but still couldn't configure mga_vid
perror("Error in mga_vid_config ioctl()");
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] Your mga_vid driver version is incompatible with this MPlayer version!\n");
return -1;
}
// if we arrived here, then we could successfully configure mga_vid
// at this high resolution
}
} else {
// configure mga_vid in case resolution is < 1024x1024 too
if (ioctl(f,MGA_VID_CONFIG,&mga_vid_config))
{
perror("Error in mga_vid_config ioctl()");
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] Your mga_vid driver version is incompatible with this MPlayer version!\n");
return -1;
}
}
if (mga_vid_config.card_type == MGA_G200) {
sws_ctx = sws_getContext(width, height, PIX_FMT_YUV420P,
width, height, PIX_FMT_NV12,
SWS_BILINEAR, NULL, NULL, NULL);
if (!sws_ctx) {
mp_msg(MSGT_VO, MSGL_FATAL,
"Could not get swscale context to scale for G200.\n");
return -1;
}
mp_msg(MSGT_VO, MSGL_WARN, "G200 cards support is untested. "
"Please report whether it works.\n");
}
mp_msg(MSGT_VO,MSGL_V,"[MGA] Using %d buffers.\n",mga_vid_config.num_frames);
frames[0] = mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,f,0);
frames[1] = frames[0] + 1*mga_vid_config.frame_size;
frames[2] = frames[0] + 2*mga_vid_config.frame_size;
frames[3] = frames[0] + 3*mga_vid_config.frame_size;
mga_next_frame = 0;
vid_data = frames[mga_next_frame];
//clear the buffer
memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
#ifndef VO_XMGA
ioctl(f,MGA_VID_ON,0);
#endif
return 0;
}
static int mga_uninit(void){
if(f>=0){
ioctl( f,MGA_VID_OFF,0 );
munmap(frames[0],mga_vid_config.frame_size*mga_vid_config.num_frames);
close(f);
f = -1;
}
if (sws_ctx) {
sws_freeContext(sws_ctx);
}
return 0;
}
static int preinit(const char *vo_subdevice)
{
uint32_t ver;
const char *devname=vo_subdevice?vo_subdevice:"/dev/mga_vid";
f = open(devname,O_RDWR);
if(f == -1)
{
perror("open");
mp_tmsg(MSGT_VO,MSGL_WARN, "[MGA] Couldn't open: %s\n",devname);
return -1;
}
// check whether the mga_vid driver has the same
// version as we expect
ioctl(f,MGA_VID_GET_VERSION,&ver);
if(MGA_VID_VERSION != ver)
{
mp_tmsg(MSGT_VO, MSGL_ERR, "[MGA] mismatch between kernel (%u) and MPlayer (%u) mga_vid driver versions\n", ver, MGA_VID_VERSION);
return -1;
}
#ifdef VO_XMGA
if (!vo_init()) {
close(f);
return -1;
}
#endif
return 0;
}
static void set_window( void ){
drwcX = vo_dx;
drwcY = vo_dy;
drwWidth = vo_dwidth;
drwHeight = vo_dheight;
aspect(&drwWidth, &drwHeight, A_WINZOOM);
panscan_calc_windowed();
drwWidth += vo_panscan_x;
drwHeight += vo_panscan_y;
drwWidth = FFMIN(drwWidth, vo_screenwidth);
drwHeight = FFMIN(drwHeight, vo_screenheight);
drwX = (vo_dwidth - drwWidth ) / 2;
drwY = (vo_dheight - drwHeight) / 2;
drwcX += drwX;
drwcY += drwY;
#ifdef VO_XMGA
#ifdef CONFIG_XINERAMA
if(XineramaIsActive(mDisplay))
{
XineramaScreenInfo *screens;
int num_screens;
int i;
screens = XineramaQueryScreens(mDisplay,&num_screens);
/* find the screen we are on */
i = 0;
while(i<num_screens &&
((screens[i].x_org < drwcX) ||
(screens[i].y_org < drwcY) ||
(screens[i].x_org + screens[i].width >= drwcX) ||
(screens[i].y_org + screens[i].height >= drwcY)))
{
i++;
}
if(i<num_screens)
{
/* save the screen we are on */
xinerama_screen = i;
} else {
/* oops.. couldnt find the screen we are on
* because the upper left corner left the
* visual range. assume we are still on the
* same screen
*/
i = xinerama_screen;
}
if(xinerama_screen == -1)
{
// The default value of the xinerama_screen is
// still there. Which means we could never
// figure out on which screen we are.
// Choose the first screen as default
xinerama_screen = i = 0;
}
/* set drwcX and drwcY to the right values */
drwcX = drwcX - screens[i].x_org;
drwcY = drwcY - screens[i].y_org;
XFree(screens);
}
#endif
mDrawColorKey();
#endif
mga_vid_config.x_org=drwcX;
mga_vid_config.y_org=drwcY;
mga_vid_config.dest_width=drwWidth;
mga_vid_config.dest_height=drwHeight;
if ( ioctl( f,MGA_VID_CONFIG,&mga_vid_config ) ) mp_msg(MSGT_VO,MSGL_WARN,"Error in mga_vid_config ioctl (wrong mga_vid.o version?)" );
}
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