diff options
Diffstat (limited to 'gr-video-sdl/src/video_sdl_sink_s.cc')
| -rw-r--r-- | gr-video-sdl/src/video_sdl_sink_s.cc | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/gr-video-sdl/src/video_sdl_sink_s.cc b/gr-video-sdl/src/video_sdl_sink_s.cc deleted file mode 100644 index d9232043a..000000000 --- a/gr-video-sdl/src/video_sdl_sink_s.cc +++ /dev/null @@ -1,301 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2006,2010 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio 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 3, or (at your option) - * any later version. - * - * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <SDL.h> - -#include <video_sdl_sink_s.h> -#include <gr_io_signature.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdio.h> -#include <iostream> -#include <stdexcept> -#include <string.h> - - - -video_sdl_sink_s::video_sdl_sink_s (double framerate,int width, int height,unsigned int format,int dst_width,int dst_height) - : gr_sync_block ("video_sdl_sink_s", - gr_make_io_signature (1, 3, sizeof (short)), - gr_make_io_signature (0, 0, 0)), - d_chunk_size (width*height), - d_framerate(framerate), - d_wanted_frametime_ms(0), - d_width(width), - d_height (height), - d_dst_width(dst_width), - d_dst_height(dst_height), - d_format(format), - d_current_line(0), - d_screen(NULL), - d_image(NULL), - d_avg_delay(0.0), - d_wanted_ticks(0) -{ - if(framerate<=0.0) - d_wanted_frametime_ms=0;//Go as fast as possible - else - d_wanted_frametime_ms=(int)(1000.0/framerate); - if(dst_width<0) d_dst_width=d_width; - if(dst_height<0) d_dst_height=d_height; - if(0==format) d_format=IMGFMT_YV12; - - atexit(SDL_Quit);//check if this is the way to do this - if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { - std::cerr << "video_sdl_sink_s: Couldn't initialize SDL:" << SDL_GetError() << " \n SDL_Init(SDL_INIT_VIDEO) failed\n"; - throw std::runtime_error ("video_sdl_sink_s"); - }; - - /* accept any depth */ - d_screen = SDL_SetVideoMode(dst_width, dst_height, 0, SDL_SWSURFACE|SDL_RESIZABLE|SDL_ANYFORMAT);//SDL_DOUBLEBUF |SDL_SWSURFACE| SDL_HWSURFACE||SDL_FULLSCREEN - if ( d_screen == NULL ) { - std::cerr << "Unable to set SDL video mode: " << SDL_GetError() <<"\n SDL_SetVideoMode() Failed \n"; - exit(1); - } - if ( d_image ) { - SDL_FreeYUVOverlay(d_image); - } - /* Initialize and create the YUV Overlay used for video out */ - if (!(d_image = SDL_CreateYUVOverlay (d_width, d_height, SDL_YV12_OVERLAY, d_screen))) { - std::cerr << "SDL: Couldn't create a YUV overlay: \n"<< SDL_GetError() <<"\n"; - throw std::runtime_error ("video_sdl_sink_s"); - } - - printf("SDL screen_mode %d bits-per-pixel\n", - d_screen->format->BitsPerPixel); - printf("SDL overlay_mode %i \n", - d_image->format); - d_chunk_size = std::min(1,16384/width); //width*16; - d_chunk_size = d_chunk_size*width; - //d_chunk_size = (int) (width); - set_output_multiple (d_chunk_size); - /* Set the default playback area */ - d_dst_rect.x = 0; - d_dst_rect.y = 0; - d_dst_rect.w = d_dst_width; - d_dst_rect.h = d_dst_height; - //clear the surface to grey - if ( SDL_LockYUVOverlay( d_image ) ) { - std::cerr << "SDL: Couldn't lock YUV overlay: \n"<< SDL_GetError() <<"\n"; - throw std::runtime_error ("video_sdl_sink_s"); - } - memset(d_image->pixels[0], 128, d_image->pitches[0]*d_height); - memset(d_image->pixels[1], 128, d_image->pitches[1]*d_height/2); - memset(d_image->pixels[2], 128, d_image->pitches[2]*d_height/2); - SDL_UnlockYUVOverlay( d_image ); -} - -video_sdl_sink_s::~video_sdl_sink_s () -{ - SDL_Quit(); -} - -video_sdl_sink_s_sptr -video_sdl_make_sink_s (double framerate,int width, int height,unsigned int format,int dst_width,int dst_height) -{ - return gnuradio::get_initial_sptr(new video_sdl_sink_s (framerate, width, height,format,dst_width,dst_height)); -} - -void -video_sdl_sink_s::copy_line_pixel_interleaved(unsigned char *dst_pixels_u,unsigned char *dst_pixels_v,const short * src_pixels,int src_width) -{ - for(int i=0;i<src_width;i++) - { - dst_pixels_u[i]=(unsigned char)src_pixels[i*2]; - dst_pixels_v[i]=(unsigned char)src_pixels[i*2+1]; - } - return; -} - -void -video_sdl_sink_s::copy_line_line_interleaved(unsigned char *dst_pixels_u,unsigned char *dst_pixels_v,const short * src_pixels,int src_width) -{ - for(int i=0;i<src_width;i++) - { - dst_pixels_u[i]=(unsigned char)src_pixels[i]; - dst_pixels_v[i]=(unsigned char)src_pixels[i+src_width]; - } - for(int i=src_width;i<src_width*2;i++) - { - dst_pixels_v[i]=(unsigned char)src_pixels[i]; - } - return; -} -void -video_sdl_sink_s::copy_line_single_plane(unsigned char *dst_pixels,const short * src_pixels,int src_width) -{ - for(int i=0;i<src_width;i++) - { - dst_pixels[i]=(unsigned char)src_pixels[i]; - } - return; -} - -void -video_sdl_sink_s::copy_line_single_plane_dec2(unsigned char *dst_pixels,const short * src_pixels,int src_width) -{ - for(int i=0,j=0;i<src_width;i+=2,j++) - { - dst_pixels[j]=(unsigned char)src_pixels[i]; - } - return; -} - -int -video_sdl_sink_s::copy_plane_to_surface (int plane,int noutput_items, - const short * src_pixels) -{ - const int first_dst_plane=(12==plane ||1122==plane)?1:plane; - const int second_dst_plane=(12==plane ||1122==plane)?2:plane; - int current_line=(0==plane)?d_current_line:d_current_line/2; - unsigned char * dst_pixels = (unsigned char *)d_image->pixels[first_dst_plane]; - dst_pixels=&dst_pixels[current_line*d_image->pitches[first_dst_plane]]; - unsigned char * dst_pixels_2 = (unsigned char *)d_image->pixels[second_dst_plane]; - dst_pixels_2=&dst_pixels_2[current_line*d_image->pitches[second_dst_plane]]; - int src_width=(0==plane || 12==plane || 1122==plane)?d_width:d_width/2; - int noutput_items_produced=0; - int max_height=(0==plane)?d_height-1:d_height/2-1; - for (int i = 0; i < noutput_items; i += src_width){ - //output one line at a time - if(12==plane) - { - copy_line_pixel_interleaved(dst_pixels,dst_pixels_2,src_pixels,src_width); - dst_pixels_2 += d_image->pitches[second_dst_plane]; - } - else if (1122==plane) - { - copy_line_line_interleaved(dst_pixels,dst_pixels_2,src_pixels,src_width); - dst_pixels_2 += d_image->pitches[second_dst_plane]; - src_pixels += src_width; - } - else if (0==plane) - copy_line_single_plane(dst_pixels,src_pixels,src_width); - else /* 1==plane || 2==plane*/ - copy_line_single_plane_dec2(dst_pixels,src_pixels,src_width);//decimate by two horizontally - - src_pixels += src_width; - dst_pixels += d_image->pitches[first_dst_plane]; - noutput_items_produced+=src_width; - current_line++; - if (current_line>max_height) - { - //Start new frame - //TODO, do this all in a seperate thread - current_line=0; - dst_pixels=d_image->pixels[first_dst_plane]; - dst_pixels_2=d_image->pixels[second_dst_plane]; - if(0==plane) - { - SDL_DisplayYUVOverlay(d_image, &d_dst_rect); - //SDL_Flip(d_screen); - unsigned int ticks=SDL_GetTicks();//milliseconds - d_wanted_ticks+=d_wanted_frametime_ms; - float avg_alpha=0.1; - int time_diff=d_wanted_ticks-ticks; - d_avg_delay=time_diff*avg_alpha +d_avg_delay*(1.0-avg_alpha); - } - } - } - if(0==plane) d_current_line=current_line; - return noutput_items_produced; -} - -int -video_sdl_sink_s::work (int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - short *src_pixels_0,*src_pixels_1,*src_pixels_2; - int noutput_items_produced=0; - int plane; - int delay=(int)d_avg_delay; - if(0==d_wanted_ticks) - d_wanted_ticks=SDL_GetTicks(); - if(delay>0) - SDL_Delay((unsigned int)delay);//compensate if running too fast - - if ( SDL_LockYUVOverlay( d_image ) ) { - return 0; - } - switch (input_items.size ()){ - case 3: // first channel=Y, second channel is U , third channel is V - src_pixels_0 = (short *) input_items[0]; - src_pixels_1 = (short *) input_items[1]; - src_pixels_2 = (short *) input_items[2]; - for (int i = 0; i < noutput_items; i += d_chunk_size){ - copy_plane_to_surface (1,d_chunk_size, src_pixels_1); - copy_plane_to_surface (2,d_chunk_size, src_pixels_2); - noutput_items_produced+=copy_plane_to_surface (0,d_chunk_size, src_pixels_0); - src_pixels_0 += d_chunk_size; - src_pixels_1 += d_chunk_size; - src_pixels_2 += d_chunk_size; - } - break; - case 2: - if(1) //if(pixel_interleaved_uv) - { - // first channel=Y, second channel is alternating pixels U and V - src_pixels_0 = (short *) input_items[0]; - src_pixels_1 = (short *) input_items[1]; - for (int i = 0; i < noutput_items; i += d_chunk_size){ - copy_plane_to_surface (12,d_chunk_size/2, src_pixels_1); - noutput_items_produced+=copy_plane_to_surface (0,d_chunk_size, src_pixels_0); - src_pixels_0 += d_chunk_size; - src_pixels_1 += d_chunk_size; - } - } else - { - // first channel=Y, second channel is alternating lines U and V - src_pixels_0 = (short *) input_items[0]; - src_pixels_1 = (short *) input_items[1]; - for (int i = 0; i < noutput_items; i += d_chunk_size){ - copy_plane_to_surface (1222,d_chunk_size/2, src_pixels_1); - noutput_items_produced+=copy_plane_to_surface (0,d_chunk_size, src_pixels_0); - src_pixels_0 += d_chunk_size; - src_pixels_1 += d_chunk_size; - } - } - break; - case 1: // grey (Y) input - /* Y component */ - plane=0; - src_pixels_0 = (short *) input_items[plane]; - for (int i = 0; i < noutput_items; i += d_chunk_size){ - noutput_items_produced+=copy_plane_to_surface (plane,d_chunk_size, src_pixels_0); - src_pixels_0 += d_chunk_size; - } - break; - default: //0 or more then 3 channels - std::cerr << "video_sdl_sink_s: Wrong number of channels: "; - std::cerr <<"1, 2 or 3 channels are supported.\n Requested number of channels is "<< input_items.size () <<"\n"; - throw std::runtime_error ("video_sdl_sink_s"); - } - - SDL_UnlockYUVOverlay( d_image ); - return noutput_items_produced; -} |