/*
* Adds the fishead packets in the skeleton output stream along with the e_o_s packet
*/
void add_fisbone_packet (ogg_stream_state *os, celt_int32 serialno, CELTHeader *header) {
fisbone_packet fp;
memset(&fp, 0, sizeof(fp));
fp.serial_no = serialno;
fp.nr_header_packet = 2 + header->extra_headers;
fp.granule_rate_n = header->sample_rate;
fp.granule_rate_d = 1;
fp.start_granule = 0;
fp.preroll = 3;
fp.granule_shift = 0;
add_message_header_field(&fp, "Content-Type", "audio/x-celt");
add_fisbone_to_stream(os, &fp);
}
/*
* Adds the fishead packets in the skeleton output stream along with the e_o_s packet
*/
void SpeexEncoder::add_fisbone_packet(ogg_stream_state *os, spx_int32_t serialno, SpeexHeader *header) {
fisbone_packet fp;
memset(&fp, 0, sizeof(fp));
fp.serial_no = serialno;
fp.nr_header_packet = 2 + header->extra_headers;
fp.granule_rate_n = header->rate;
fp.granule_rate_d = 1;
fp.start_granule = 0;
fp.preroll = 3;
fp.granule_shift = 0;
add_message_header_field(&fp, "Content-Type", "audio/x-speex");
add_fisbone_to_stream(os, &fp);
}
void rmdInitEncoder(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) {
rmdIncrementalNaming(&(pdata)->args.filename);
fprintf(stderr, "Output file: %s\n", 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.rrect.width;
enc_data_t->m_th_inf.frame_height = pdata->brwin.rrect.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 = 0;
enc_data_t->m_th_inf.offset_y = 0;
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;
enc_data_t->m_th_inf.aspect_denominator = 1;
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);
}