diff options
Diffstat (limited to 'libmpcodecs/vf_bmovl.c')
-rw-r--r-- | libmpcodecs/vf_bmovl.c | 496 |
1 files changed, 0 insertions, 496 deletions
diff --git a/libmpcodecs/vf_bmovl.c b/libmpcodecs/vf_bmovl.c deleted file mode 100644 index da5dc97f50..0000000000 --- a/libmpcodecs/vf_bmovl.c +++ /dev/null @@ -1,496 +0,0 @@ -/* - * BitMap OVerLay video filter for MPlayer - * - * (C) 2002 Per Wigren <wigren@home.se> - * - * 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. - */ - -/* - * Use MPlayer as a framebuffer to read bitmaps and commands from a FIFO - * and display them in the window. - * - * Commands are: - * - * RGBA32 width height xpos ypos alpha clear - * * Followed by width*height*4 bytes of raw RGBA32 data. - * ABGR32 width height xpos ypos alpha clear - * * Followed by width*height*4 bytes of raw ABGR32 data. - * RGB24 width height xpos ypos alpha clear - * * Followed by width*height*3 bytes of raw RGB32 data. - * BGR24 width height xpos ypos alpha clear - * * Followed by width*height*3 bytes of raw BGR32 data. - * - * ALPHA width height xpos ypos alpha - * * Change alpha for area - * CLEAR width height xpos ypos - * * Clear area - * OPAQUE - * * Disable all alpha transparency! - * Send "ALPHA 0 0 0 0 0" to enable again! - * HIDE - * * Hide bitmap - * SHOW - * * Show bitmap - * - * Arguments are: - * width, height Size of image/area - * xpos, ypos Start blitting at X/Y position - * alpha Set alpha difference. 0 means same as original. - * 255 makes everything opaque - * -255 makes everything transparent - * If you set this to -255 you can then send a sequence of - * ALPHA-commands to set the area to -225, -200, -175 etc - * for a nice fade-in-effect! ;) - * clear Clear the framebuffer before blitting. 1 means clear. - * If 0, the image will just be blitted on top of the old - * one, so you don't need to send 1,8MB of RGBA32 data - * everytime a small part of the screen is updated. - * - * Arguments for the filter are hidden:opaque:fifo - * For example 1:0:/tmp/myfifo.fifo will start the filter hidden, transparent - * and use /tmp/myfifo.fifo as the fifo. - * - * If you find bugs, please send me patches! ;) - * - * This filter was developed for use in Freevo (http://freevo.sf.net), but - * anyone is free to use it! ;) - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/time.h> -#include <fcntl.h> -#include "config.h" -#include "mp_image.h" -#include "vf.h" -#include "img_format.h" - -#include "mp_msg.h" -#include "libavutil/common.h" - -#include "libvo/fastmemcpy.h" - -#define IS_RAWIMG 0x100 -#define IS_IMG 0x200 - -#define NONE 0x000 -#define IMG_RGBA32 0x101 -#define IMG_ABGR32 0x102 -#define IMG_RGB24 0x103 -#define IMG_BGR24 0x104 -#define IMG_PNG 0x201 -#define CMD_CLEAR 0x001 -#define CMD_ALPHA 0x002 - -#define TRUE 1 -#define FALSE 0 - -#define INRANGE(a,b,c) ( ((a) < (b)) ? (b) : ( ((a) > (c)) ? (c) : (a) ) ) - -#define rgb2y(R,G,B) ( (( 263*R + 516*G + 100*B) >> 10) + 16 ) -#define rgb2u(R,G,B) ( ((-152*R - 298*G + 450*B) >> 10) + 128 ) -#define rgb2v(R,G,B) ( (( 450*R - 376*G - 73*B) >> 10) + 128 ) - -#define DBG(a) (mp_msg(MSGT_VFILTER, MSGL_DBG2, "DEBUG: %d\n", a)) - -struct vf_priv_s { - int w, h, x1, y1, x2, y2; - struct { - unsigned char *y, *u, *v, *a, *oa; - } bitmap; - int stream_fd; - fd_set stream_fdset; - int opaque, hidden; -}; - -static int -query_format(struct vf_instance *vf, unsigned int fmt){ - if(fmt==IMGFMT_YV12) return VFCAP_CSP_SUPPORTED; - return 0; -} - - -static int -config(struct vf_instance *vf, - int width, int height, int d_width, int d_height, - unsigned int flags, unsigned int outfmt) -{ - vf->priv->bitmap.y = malloc( width*height ); - vf->priv->bitmap.u = malloc( width*height/4 ); - vf->priv->bitmap.v = malloc( width*height/4 ); - vf->priv->bitmap.a = malloc( width*height ); - vf->priv->bitmap.oa = malloc( width*height ); - if(!( vf->priv->bitmap.y && - vf->priv->bitmap.u && - vf->priv->bitmap.v && - vf->priv->bitmap.a && - vf->priv->bitmap.oa )) { - mp_msg(MSGT_VFILTER, MSGL_ERR, "vf_bmovl: Could not allocate memory for bitmap buffer: %s\n", strerror(errno) ); - return FALSE; - } - - // Set default to black... - memset( vf->priv->bitmap.u, 128, width*height/4 ); - memset( vf->priv->bitmap.v, 128, width*height/4 ); - - vf->priv->w = vf->priv->x1 = width; - vf->priv->h = vf->priv->y1 = height; - vf->priv->y2 = vf->priv->x2 = 0; - - return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt); -} - -static void -uninit(struct vf_instance *vf) -{ - if(vf->priv) { - free(vf->priv->bitmap.y); - free(vf->priv->bitmap.u); - free(vf->priv->bitmap.v); - free(vf->priv->bitmap.a); - free(vf->priv->bitmap.oa); - if (vf->priv->stream_fd >= 0) - close(vf->priv->stream_fd); - free(vf->priv); - } -} - -static int -_read_cmd(int fd, char *cmd, char *args) { - int done=FALSE, pos=0; - char tmp; - - while(!done) { - if(! read( fd, &tmp, 1 ) ) return FALSE; - if( (tmp>='A' && tmp<='Z') || (tmp>='0' && tmp<='9') ) - cmd[pos]=tmp; - else if(tmp == ' ') { - cmd[pos]='\0'; - done=TRUE; - } - else if(tmp == '\n') { - cmd[pos]='\0'; - args[0]='\0'; - return TRUE; - } - if(pos++>20) { - cmd[0]='\0'; - return TRUE; - } - } - done=FALSE; pos=0; - while(!done) { - if(! read( fd, &tmp, 1 ) ) return FALSE; - if( (tmp >= ' ') && (pos<100) ) args[pos]=tmp; - else { - args[pos]='\0'; - done=TRUE; - } - pos++; - } - return TRUE; -} - - -static int -put_image(struct vf_instance *vf, mp_image_t* mpi, double pts){ - int buf_x=0, buf_y=0, buf_pos=0; - int have, got, want; - int xpos=0, ypos=0, pos=0; - unsigned char red=0, green=0, blue=0; - mp_image_t* dmpi; - - dmpi = vf_get_image(vf->next, mpi->imgfmt, MP_IMGTYPE_TEMP, - MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE, - mpi->w, mpi->h); - - memcpy_pic( dmpi->planes[0], mpi->planes[0], mpi->width, mpi->height, dmpi->stride[0], mpi->stride[0] ); - memcpy_pic( dmpi->planes[1], mpi->planes[1], mpi->chroma_width, mpi->chroma_height, dmpi->stride[1], mpi->stride[1] ); - memcpy_pic( dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height, dmpi->stride[2], mpi->stride[2] ); - - if(vf->priv->stream_fd >= 0) { - struct timeval tv; - int ready; - - FD_SET( vf->priv->stream_fd, &vf->priv->stream_fdset ); - tv.tv_sec=0; tv.tv_usec=0; - - ready = select( vf->priv->stream_fd+1, &vf->priv->stream_fdset, NULL, NULL, &tv ); - if(ready > 0) { - // We've got new data from the FIFO - - char cmd[20], args[100]; - int imgw,imgh,imgx,imgy,clear,imgalpha,pxsz=1,command; - unsigned char *buffer = NULL; - - if(! _read_cmd( vf->priv->stream_fd, cmd, args) ) { - mp_msg(MSGT_VFILTER, MSGL_ERR, "\nvf_bmovl: Error reading commands: %s\n\n", strerror(errno)); - return FALSE; - } - mp_msg(MSGT_VFILTER, MSGL_DBG2, "\nDEBUG: Got: %s+%s\n", cmd, args); - - command=NONE; - if ( strncmp(cmd,"RGBA32",6)==0 ) { pxsz=4; command = IMG_RGBA32; } - else if( strncmp(cmd,"ABGR32",6)==0 ) { pxsz=4; command = IMG_ABGR32; } - else if( strncmp(cmd,"RGB24" ,5)==0 ) { pxsz=3; command = IMG_RGB24; } - else if( strncmp(cmd,"BGR24" ,5)==0 ) { pxsz=3; command = IMG_BGR24; } - else if( strncmp(cmd,"CLEAR" ,5)==0 ) { pxsz=1; command = CMD_CLEAR; } - else if( strncmp(cmd,"ALPHA" ,5)==0 ) { pxsz=1; command = CMD_ALPHA; } - else if( strncmp(cmd,"OPAQUE",6)==0 ) vf->priv->opaque=TRUE; - else if( strncmp(cmd,"SHOW", 4)==0 ) vf->priv->hidden=FALSE; - else if( strncmp(cmd,"HIDE", 4)==0 ) vf->priv->hidden=TRUE; - else if( strncmp(cmd,"FLUSH" ,5)==0 ) return vf_next_put_image(vf, dmpi, pts); - else { - mp_msg(MSGT_VFILTER, MSGL_WARN, "\nvf_bmovl: Unknown command: '%s'. Ignoring.\n", cmd); - return vf_next_put_image(vf, dmpi, pts); - } - - if(command == CMD_ALPHA) { - sscanf( args, "%d %d %d %d %d", &imgw, &imgh, &imgx, &imgy, &imgalpha); - mp_msg(MSGT_VFILTER, MSGL_DBG2, "\nDEBUG: ALPHA: %d %d %d %d %d\n\n", - imgw, imgh, imgx, imgy, imgalpha); - if(imgw==0 && imgh==0) vf->priv->opaque=FALSE; - } - - if(command & IS_RAWIMG) { - sscanf( args, "%d %d %d %d %d %d", - &imgw, &imgh, &imgx, &imgy, &imgalpha, &clear); - mp_msg(MSGT_VFILTER, MSGL_DBG2, "\nDEBUG: RAWIMG: %d %d %d %d %d %d\n\n", - imgw, imgh, imgx, imgy, imgalpha, clear); - - buffer = malloc(imgw*imgh*pxsz); - if(!buffer) { - mp_msg(MSGT_VFILTER, MSGL_WARN, "\nvf_bmovl: Couldn't allocate temporary buffer! Skipping...\n\n"); - return vf_next_put_image(vf, dmpi, pts); - } - /* pipes/sockets might need multiple calls to read(): */ - want = (imgw*imgh*pxsz); - have = 0; - while (have < want) { - got = read( vf->priv->stream_fd, buffer+have, want-have ); - if (got == 0) { - mp_msg(MSGT_VFILTER, MSGL_WARN, "\nvf_bmovl: premature EOF...\n\n"); - break; - } - if (got < 0) { - mp_msg(MSGT_VFILTER, MSGL_WARN, "\nvf_bmovl: read error: %s\n\n", strerror(errno)); - break; - } - have += got; - } - mp_msg(MSGT_VFILTER, MSGL_DBG2, "Got %d bytes... (wanted %d)\n", have, want ); - - if(clear) { - memset( vf->priv->bitmap.y, 0, vf->priv->w*vf->priv->h ); - memset( vf->priv->bitmap.u, 128, vf->priv->w*vf->priv->h/4 ); - memset( vf->priv->bitmap.v, 128, vf->priv->w*vf->priv->h/4 ); - memset( vf->priv->bitmap.a, 0, vf->priv->w*vf->priv->h ); - memset( vf->priv->bitmap.oa, 0, vf->priv->w*vf->priv->h ); - vf->priv->x1 = dmpi->width; - vf->priv->y1 = dmpi->height; - vf->priv->x2 = vf->priv->y2 = 0; - } - // Define how much of our bitmap that contains graphics! - vf->priv->x1 = av_clip(imgx, 0, vf->priv->x1); - vf->priv->y1 = av_clip(imgy, 0, vf->priv->y1); - vf->priv->x2 = av_clip(imgx + imgw, vf->priv->x2, vf->priv->w); - vf->priv->y2 = av_clip(imgy + imgh, vf->priv->y2, vf->priv->h); - } - - if( command == CMD_CLEAR ) { - sscanf( args, "%d %d %d %d", &imgw, &imgh, &imgx, &imgy); - mp_msg(MSGT_VFILTER, MSGL_DBG2, "\nDEBUG: CLEAR: %d %d %d %d\n\n", imgw, imgh, imgx, imgy); - - for( ypos=imgy ; (ypos < (imgy+imgh)) && (ypos < vf->priv->y2) ; ypos++ ) { - memset( vf->priv->bitmap.y + (ypos*vf->priv->w) + imgx, 0, imgw ); - memset( vf->priv->bitmap.a + (ypos*vf->priv->w) + imgx, 0, imgw ); - memset( vf->priv->bitmap.oa + (ypos*vf->priv->w) + imgx, 0, imgw ); - if(ypos%2) { - memset( vf->priv->bitmap.u + ((ypos/2)*dmpi->stride[1]) + (imgx/2), 128, imgw/2 ); - memset( vf->priv->bitmap.v + ((ypos/2)*dmpi->stride[2]) + (imgx/2), 128, imgw/2 ); - } - } // Recalculate area that contains graphics - if( (imgx <= vf->priv->x1) && ( (imgw+imgx) >= vf->priv->x2) ) { - if( (imgy <= vf->priv->y1) && ( (imgy+imgh) >= vf->priv->y1) ) - vf->priv->y1 = imgy+imgh; - if( (imgy <= vf->priv->y2) && ( (imgy+imgh) >= vf->priv->y2) ) - vf->priv->y2 = imgy; - } - if( (imgy <= vf->priv->y1) && ( (imgy+imgh) >= vf->priv->y2) ) { - if( (imgx <= vf->priv->x1) && ( (imgx+imgw) >= vf->priv->x1) ) - vf->priv->x1 = imgx+imgw; - if( (imgx <= vf->priv->x2) && ( (imgx+imgw) >= vf->priv->x2) ) - vf->priv->x2 = imgx; - } - return vf_next_put_image(vf, dmpi, pts); - } - - for( buf_y=0 ; (buf_y < imgh) && (buf_y < (vf->priv->h-imgy)) ; buf_y++ ) { - for( buf_x=0 ; (buf_x < (imgw*pxsz)) && (buf_x < ((vf->priv->w+imgx)*pxsz)) ; buf_x += pxsz ) { - int alpha = 0xff; - - if(command & IS_RAWIMG) buf_pos = (buf_y * imgw * pxsz) + buf_x; - pos = ((buf_y+imgy) * vf->priv->w) + ((buf_x/pxsz)+imgx); - - switch(command) { - case IMG_RGBA32: - red = buffer[buf_pos+0]; - green = buffer[buf_pos+1]; - blue = buffer[buf_pos+2]; - alpha = buffer[buf_pos+3]; - break; - case IMG_ABGR32: - alpha = buffer[buf_pos+0]; - blue = buffer[buf_pos+1]; - green = buffer[buf_pos+2]; - red = buffer[buf_pos+3]; - break; - case IMG_RGB24: - red = buffer[buf_pos+0]; - green = buffer[buf_pos+1]; - blue = buffer[buf_pos+2]; - break; - case IMG_BGR24: - blue = buffer[buf_pos+0]; - green = buffer[buf_pos+1]; - red = buffer[buf_pos+2]; - break; - case CMD_ALPHA: - vf->priv->bitmap.a[pos] = INRANGE((vf->priv->bitmap.oa[pos]+imgalpha),0,255); - break; - default: - mp_msg(MSGT_VFILTER, MSGL_ERR, "vf_bmovl: Internal error!\n"); - return FALSE; - } - if( command & IS_RAWIMG ) { - vf->priv->bitmap.y[pos] = rgb2y(red,green,blue); - vf->priv->bitmap.oa[pos] = alpha; - vf->priv->bitmap.a[pos] = INRANGE((alpha+imgalpha),0,255); - if((buf_y%2) && ((buf_x/pxsz)%2)) { - pos = ( ((buf_y+imgy)/2) * dmpi->stride[1] ) + (((buf_x/pxsz)+imgx)/2); - vf->priv->bitmap.u[pos] = rgb2u(red,green,blue); - vf->priv->bitmap.v[pos] = rgb2v(red,green,blue); - } - } - } // for buf_x - } // for buf_y - free (buffer); - } else if(ready < 0) { - mp_msg(MSGT_VFILTER, MSGL_WARN, "\nvf_bmovl: Error %d in fifo: %s\n\n", errno, strerror(errno)); - } - } - - if(vf->priv->hidden) return vf_next_put_image(vf, dmpi, pts); - - if(vf->priv->opaque) { // Just copy buffer memory to screen - for( ypos=vf->priv->y1 ; ypos < vf->priv->y2 ; ypos++ ) { - fast_memcpy( dmpi->planes[0] + (ypos*dmpi->stride[0]) + vf->priv->x1, - vf->priv->bitmap.y + (ypos*vf->priv->w) + vf->priv->x1, - vf->priv->x2 - vf->priv->x1 ); - if(ypos%2) { - fast_memcpy( dmpi->planes[1] + ((ypos/2)*dmpi->stride[1]) + (vf->priv->x1/2), - vf->priv->bitmap.u + (((ypos/2)*(vf->priv->w)/2)) + (vf->priv->x1/2), - (vf->priv->x2 - vf->priv->x1)/2 ); - fast_memcpy( dmpi->planes[2] + ((ypos/2)*dmpi->stride[2]) + (vf->priv->x1/2), - vf->priv->bitmap.v + (((ypos/2)*(vf->priv->w)/2)) + (vf->priv->x1/2), - (vf->priv->x2 - vf->priv->x1)/2 ); - } - } - } else { // Blit the bitmap to the videoscreen, pixel for pixel - for( ypos=vf->priv->y1 ; ypos < vf->priv->y2 ; ypos++ ) { - for ( xpos=vf->priv->x1 ; xpos < vf->priv->x2 ; xpos++ ) { - pos = (ypos * dmpi->stride[0]) + xpos; - - int alpha = vf->priv->bitmap.a[pos]; - - if (alpha == 0) continue; // Completly transparent pixel - - if (alpha == 255) { // Opaque pixel - dmpi->planes[0][pos] = vf->priv->bitmap.y[pos]; - if ((ypos%2) && (xpos%2)) { - pos = ( (ypos/2) * dmpi->stride[1] ) + (xpos/2); - dmpi->planes[1][pos] = vf->priv->bitmap.u[pos]; - dmpi->planes[2][pos] = vf->priv->bitmap.v[pos]; - } - } else { // Alphablended pixel - dmpi->planes[0][pos] = - ((255 - alpha) * (int)dmpi->planes[0][pos] + - alpha * (int)vf->priv->bitmap.y[pos]) >> 8; - - if ((ypos%2) && (xpos%2)) { - pos = ( (ypos/2) * dmpi->stride[1] ) + (xpos/2); - - dmpi->planes[1][pos] = - ((255 - alpha) * (int)dmpi->planes[1][pos] + - alpha * (int)vf->priv->bitmap.u[pos]) >> 8; - - dmpi->planes[2][pos] = - ((255 - alpha) * (int)dmpi->planes[2][pos] + - alpha * (int)vf->priv->bitmap.v[pos]) >> 8; - } - } - } // for xpos - } // for ypos - } // if !opaque - return vf_next_put_image(vf, dmpi, pts); -} // put_image - -static int -vf_open(vf_instance_t *vf, char *args) -{ - char filename[1000]; - - vf->config = config; - vf->put_image = put_image; - vf->query_format = query_format; - vf->uninit = uninit; - - vf->priv = malloc(sizeof(struct vf_priv_s)); - - if(!args || sscanf(args, "%d:%d:%s", &vf->priv->hidden, &vf->priv->opaque, filename) < 3 ) { - mp_msg(MSGT_VFILTER, MSGL_ERR, "vf_bmovl: Bad arguments!\n"); - mp_msg(MSGT_VFILTER, MSGL_ERR, "vf_bmovl: Arguments are 'bool hidden:bool opaque:string fifo'\n"); - return FALSE; - } - - vf->priv->stream_fd = open(filename, O_RDWR); - if(vf->priv->stream_fd >= 0) { - FD_ZERO( &vf->priv->stream_fdset ); - mp_msg(MSGT_VFILTER, MSGL_INFO, "vf_bmovl: Opened fifo %s as FD %d\n", filename, vf->priv->stream_fd); - } else { - mp_msg(MSGT_VFILTER, MSGL_WARN, "vf_bmovl: Error! Couldn't open FIFO %s: %s\n", filename, strerror(errno)); - vf->priv->stream_fd = -1; - } - - return TRUE; -} - -const vf_info_t vf_info_bmovl = { - "Read bitmaps from a FIFO and display them in window", - "bmovl", - "Per Wigren", - "", - vf_open, - NULL -}; |