/****************************************************************************** * recordMyDesktop * ******************************************************************************* * * * Copyright (C) 2006,2007,2008 John Varouhakis * * * * * * This program 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. * * * * This program 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 this program; if not, write to the Free Software * * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * * * * * * * For further information contact me at johnvarouhakis@gmail.com * ******************************************************************************/ #include #include "init_encoder.h" #include "recordmydesktop.h" #include "skeleton.h" static void m_add_fishead_packet(ogg_stream_state *m_ogg_state) { fishead_packet skel_fp; skel_fp.ptime_n=skel_fp.btime_n=0; skel_fp.ptime_d=skel_fp.btime_d=1000; add_fishead_to_stream(m_ogg_state,&skel_fp); } static int IncrementalNaming(char **name) { struct stat buff; char *base_name__; int i=0, fname_length=strlen(*name)-4; base_name__=malloc(fname_length+1); strncpy(base_name__,*name,fname_length); base_name__[fname_length]='\0'; //this will go on an endless loop if you have 65536? //files with the same name //or it will crash and die.anyone interested in trying ? while (stat(*name,&buff)==0){ //create new name char *tname=malloc(strlen(*name)+10); char numbuf[8]; strcpy(tname,base_name__); strcat(tname,"-"); i++; I16TOA((i),numbuf) strcat(tname,numbuf); strcat(tname,".ogv"); //save new name free(*name); *name=malloc(strlen(tname)+1); strcpy(*name,tname); free(tname); } free(base_name__); return 0; } void InitEncoder(ProgData *pdata,EncData *enc_data_t,int buffer_ready){ int y0, y1, y2, fname_length; ogg_stream_state m_ogg_skel; ogg_page skel_og_pg; fisbone_packet skel_fbv, //video fisbone packet skel_fba ; //audio fisbone packet (pdata)->enc_data=enc_data_t; fname_length=strlen(pdata->args.filename); if(!(fname_length>4 && pdata->args.filename[fname_length-4] == '.' && (pdata->args.filename[fname_length-3] == 'o' || pdata->args.filename[fname_length-3] == 'O') && (pdata->args.filename[fname_length-2] == 'g' || pdata->args.filename[fname_length-2] == 'G') && (pdata->args.filename[fname_length-1] == 'v' || pdata->args.filename[fname_length-1] == 'V'))){ char *new_name=malloc(fname_length+5); strcpy(new_name,pdata->args.filename); strcat(new_name,".ogv"); free(pdata->args.filename); pdata->args.filename=new_name; } if(!pdata->args.overwrite) IncrementalNaming(&(pdata)->args.filename); enc_data_t->fp=fopen((pdata)->args.filename,"w"); if(enc_data_t->fp==NULL){ fprintf(stderr,"Cannot open file %s for writting!\n", (pdata)->args.filename); exit(13); } //each stream must have a unique srand(time(NULL)); y0=rand()+1; y1=rand()+1; y2=rand()+1; y2+=(y1==y2); y0=(((y0==y1)||(y0==y2))?(y1+y2):y0); //init ogg streams //skeleton first ogg_stream_init(&m_ogg_skel,y0); m_add_fishead_packet(&m_ogg_skel); if(ogg_stream_pageout(&m_ogg_skel,&skel_og_pg)!= 1){ fprintf (stderr, "Internal Ogg library error.\n"); exit (2); } fwrite(skel_og_pg.header,1,skel_og_pg.header_len,enc_data_t->fp); fwrite(skel_og_pg.body,1,skel_og_pg.body_len,enc_data_t->fp); ogg_stream_init(&enc_data_t->m_ogg_ts,y1); if(!pdata->args.nosound) ogg_stream_init(&enc_data_t->m_ogg_vs,y2); theora_info_init(&enc_data_t->m_th_inf); enc_data_t->m_th_inf.frame_width=(pdata)->brwin.rgeom.width; enc_data_t->m_th_inf.frame_height=(pdata)->brwin.rgeom.height; enc_data_t->m_th_inf.width=((enc_data_t->m_th_inf.frame_width+15)>>4)<<4; enc_data_t->m_th_inf.height=((enc_data_t->m_th_inf.frame_height+15)>>4)<<4; enc_data_t->m_th_inf.offset_x=((enc_data_t->m_th_inf.width- enc_data_t->m_th_inf.frame_width)/2)&~1; enc_data_t->m_th_inf.offset_y=((enc_data_t->m_th_inf.height- enc_data_t->m_th_inf.frame_height)/2)&~1; enc_data_t->m_th_inf.fps_numerator=((pdata)->args.fps*100.0); enc_data_t->m_th_inf.fps_denominator=100; enc_data_t->m_th_inf.aspect_numerator=1;//(pdata)->brwin.rgeom.width; enc_data_t->m_th_inf.aspect_denominator=1;//(pdata)->brwin.rgeom.height; enc_data_t->m_th_inf.colorspace=OC_CS_UNSPECIFIED; enc_data_t->m_th_inf.pixelformat=OC_PF_420; enc_data_t->m_th_inf.target_bitrate=(pdata)->args.v_bitrate; enc_data_t->m_th_inf.quality=(pdata)->args.v_quality; enc_data_t->m_th_inf.dropframes_p=0; enc_data_t->m_th_inf.quick_p=1; enc_data_t->m_th_inf.keyframe_auto_p=1; enc_data_t->m_th_inf.keyframe_frequency=64; enc_data_t->m_th_inf.keyframe_frequency_force=64; enc_data_t->m_th_inf.keyframe_data_target_bitrate= enc_data_t->m_th_inf.quality*1.5; enc_data_t->m_th_inf.keyframe_auto_threshold=80; enc_data_t->m_th_inf.keyframe_mindistance=8; enc_data_t->m_th_inf.noise_sensitivity=1; enc_data_t->m_th_inf.sharpness=2; theora_encode_init(&enc_data_t->m_th_st,&enc_data_t->m_th_inf); if(!pdata->args.nosound){ int ret; vorbis_info_init(&enc_data_t->m_vo_inf); ret = vorbis_encode_init_vbr(&enc_data_t->m_vo_inf, pdata->args.channels, pdata->args.frequency, (float)pdata->args.s_quality*0.1); if(ret){ fprintf(stderr,"Error while setting up vorbis stream quality!\n"); exit(2); } vorbis_comment_init(&enc_data_t->m_vo_cmmnt); vorbis_analysis_init(&enc_data_t->m_vo_dsp,&enc_data_t->m_vo_inf); vorbis_block_init(&enc_data_t->m_vo_dsp,&enc_data_t->m_vo_block); } theora_encode_header(&enc_data_t->m_th_st,&enc_data_t->m_ogg_pckt1); ogg_stream_packetin(&enc_data_t->m_ogg_ts,&enc_data_t->m_ogg_pckt1); if(ogg_stream_pageout(&enc_data_t->m_ogg_ts,&enc_data_t->m_ogg_pg)!=1){ fprintf(stderr,"Internal Ogg library error.\n"); exit(2); } fwrite(enc_data_t->m_ogg_pg.header,1, enc_data_t->m_ogg_pg.header_len, enc_data_t->fp); fwrite(enc_data_t->m_ogg_pg.body,1, enc_data_t->m_ogg_pg.body_len, enc_data_t->fp); theora_comment_init(&enc_data_t->m_th_cmmnt); theora_comment_add_tag(&enc_data_t->m_th_cmmnt,"recordMyDesktop",VERSION); theora_encode_comment(&enc_data_t->m_th_cmmnt,&enc_data_t->m_ogg_pckt1); ogg_stream_packetin(&enc_data_t->m_ogg_ts,&enc_data_t->m_ogg_pckt1); theora_encode_tables(&enc_data_t->m_th_st,&enc_data_t->m_ogg_pckt1); ogg_stream_packetin(&enc_data_t->m_ogg_ts,&enc_data_t->m_ogg_pckt1); if(!pdata->args.nosound){ ogg_packet header; ogg_packet header_comm; ogg_packet header_code; vorbis_analysis_headerout(&enc_data_t->m_vo_dsp, &enc_data_t->m_vo_cmmnt, &header,&header_comm, &header_code); ogg_stream_packetin(&enc_data_t->m_ogg_vs,&header); if(ogg_stream_pageout(&enc_data_t->m_ogg_vs,&enc_data_t->m_ogg_pg)!=1){ fprintf(stderr,"Internal Ogg library error.\n"); exit(2); } fwrite(enc_data_t->m_ogg_pg.header,1, enc_data_t->m_ogg_pg.header_len, enc_data_t->fp); fwrite(enc_data_t->m_ogg_pg.body,1, enc_data_t->m_ogg_pg.body_len, enc_data_t->fp); ogg_stream_packetin(&enc_data_t->m_ogg_vs,&header_comm); ogg_stream_packetin(&enc_data_t->m_ogg_vs,&header_code); } //fishbone packets go here memset(&skel_fbv,0,sizeof(skel_fbv)); skel_fbv.serial_no=enc_data_t->m_ogg_ts.serialno; skel_fbv.nr_header_packet=3; skel_fbv.granule_rate_n=enc_data_t->m_th_inf.fps_numerator; skel_fbv.granule_rate_d=enc_data_t->m_th_inf.fps_denominator; skel_fbv.start_granule=0; skel_fbv.preroll=0; skel_fbv.granule_shift=theora_granule_shift(&enc_data_t->m_th_inf); add_message_header_field(&skel_fbv, "Content-Type", "video/theora"); add_fisbone_to_stream(&m_ogg_skel,&skel_fbv); if(!pdata->args.nosound){ memset(&skel_fba,0,sizeof(skel_fba)); skel_fba.serial_no=enc_data_t->m_ogg_vs.serialno; skel_fba.nr_header_packet=3; skel_fba.granule_rate_n=pdata->args.frequency; skel_fba.granule_rate_d=(ogg_int64_t)1; skel_fba.start_granule=0; skel_fba.preroll=2; skel_fba.granule_shift=0; add_message_header_field(&skel_fba, "Content-Type", "audio/vorbis"); add_fisbone_to_stream(&m_ogg_skel,&skel_fba); } while(1){ int result = ogg_stream_flush(&m_ogg_skel, &skel_og_pg); if(result<0){ fprintf (stderr, "Internal Ogg library error.\n"); exit(2); } if(result==0) break; fwrite(skel_og_pg.header,1,skel_og_pg.header_len,enc_data_t->fp); fwrite(skel_og_pg.body,1,skel_og_pg.body_len,enc_data_t->fp); } while(1){ int result = ogg_stream_flush(&enc_data_t->m_ogg_ts, &enc_data_t->m_ogg_pg); if(result<0){ fprintf(stderr,"Internal Ogg library error.\n"); exit(2); } if(result==0)break; fwrite(enc_data_t->m_ogg_pg.header,1, enc_data_t->m_ogg_pg.header_len, enc_data_t->fp); fwrite(enc_data_t->m_ogg_pg.body,1, enc_data_t->m_ogg_pg.body_len, enc_data_t->fp); } if(!pdata->args.nosound){ while(1){ int result=ogg_stream_flush(&enc_data_t->m_ogg_vs, &enc_data_t->m_ogg_pg); if(result<0){ fprintf(stderr,"Internal Ogg library error.\n"); exit(2); } if(result==0)break; fwrite(enc_data_t->m_ogg_pg.header,1, enc_data_t->m_ogg_pg.header_len, enc_data_t->fp); fwrite(enc_data_t->m_ogg_pg.body,1, enc_data_t->m_ogg_pg.body_len, enc_data_t->fp); } } //skeleton eos add_eos_packet_to_stream(&m_ogg_skel); if(ogg_stream_flush(&m_ogg_skel,&skel_og_pg)<0){ fprintf(stderr,"Internal Ogg library error.\n"); exit(2); } fwrite(skel_og_pg.header,1,skel_og_pg.header_len,enc_data_t->fp); fwrite(skel_og_pg.body,1,skel_og_pg.body_len,enc_data_t->fp); //theora buffer allocation, if any if(!buffer_ready){ enc_data_t->yuv.y=(unsigned char *)malloc(enc_data_t->m_th_inf.height* enc_data_t->m_th_inf.width); enc_data_t->yuv.u=(unsigned char *)malloc(enc_data_t->m_th_inf.height* enc_data_t->m_th_inf.width/4); enc_data_t->yuv.v=(unsigned char *)malloc(enc_data_t->m_th_inf.height* enc_data_t->m_th_inf.width/4); enc_data_t->yuv.y_width=enc_data_t->m_th_inf.width; enc_data_t->yuv.y_height=enc_data_t->m_th_inf.height; enc_data_t->yuv.y_stride=enc_data_t->m_th_inf.width; enc_data_t->yuv.uv_width=enc_data_t->m_th_inf.width/2; enc_data_t->yuv.uv_height=enc_data_t->m_th_inf.height/2; enc_data_t->yuv.uv_stride=enc_data_t->m_th_inf.width/2; enc_data_t->x_offset=enc_data_t->m_th_inf.offset_x; enc_data_t->y_offset=enc_data_t->m_th_inf.offset_y; } theora_info_clear(&enc_data_t->m_th_inf); }