static void *ucil_theora_encode_thread( ucil_theora_video_file_object_t *vobj )
{
yuv_buffer yuv;
double videopos = 0;
double audiopos = 0;
int gotpage = 0;
unsigned char *ds_y_buffer = NULL;
unsigned char *ds_u_buffer = NULL;
unsigned char *ds_v_buffer = NULL;
yuv.y_width = vobj->ti.width;
yuv.y_height = vobj->ti.height;
yuv.y_stride = vobj->ti.width;
yuv.uv_width = vobj->ti.width / 2;
yuv.uv_height = vobj->ti.height / 2;
yuv.uv_stride = vobj->ti.width / 2;
if( vobj->downsize > 1 || vobj->requires_resizing_frames )
{
ds_y_buffer = malloc( yuv.y_width * yuv.y_height );
ds_u_buffer = malloc( yuv.uv_width * yuv.uv_height );
ds_v_buffer = malloc( yuv.uv_width * yuv.uv_height );
}
vobj->last_frame = NULL;
while( !vobj->quit_thread )
{
unicap_data_buffer_t *data_buffer;
ogg_page og;
sem_wait( &vobj->lock );
data_buffer = ( unicap_data_buffer_t *)g_queue_pop_head( vobj->full_queue );
sem_post( &vobj->lock );
if( !data_buffer )
{
audiopos = fetch_and_process_audio( vobj, audiopos ); usleep( 1000 );
continue;
}
if( vobj->frame_count == 0 )
{
memcpy( &vobj->recording_start_time, &data_buffer->fill_time, sizeof( struct timeval ) );
}
audiopos = fetch_and_process_audio( vobj, audiopos );
/* printf( "v: %f a: %f\n", videopos, audiopos ); */
if( vobj->audio && ( videopos > audiopos ) )
{
data_buffer->flags &= ~UNICAP_FLAGS_BUFFER_LOCKED;
sem_wait( &vobj->lock );
g_queue_push_head( vobj->empty_queue, data_buffer );
sem_post( &vobj->lock );
continue;
}
if( vobj->fill_frames )
{
if( vobj->audio )
{
if( vobj->last_frame )
{
unicap_data_buffer_t *last_data_buffer;
double streampos;
struct timeval streamtime;
last_data_buffer = vobj->last_frame;
if( vobj->downsize > 1 || vobj->requires_resizing_frames )
{
yuv.y = ds_y_buffer;
yuv.u = ds_u_buffer;
yuv.v = ds_v_buffer;
}
else
{
yuv.y = last_data_buffer->data;
yuv.u = last_data_buffer->data + ( yuv.y_stride * yuv.y_height );
yuv.v = yuv.u + ( yuv.uv_stride * yuv.uv_height );
}
streamtime.tv_sec = data_buffer->fill_time.tv_sec - vobj->recording_start_time.tv_sec;
streamtime.tv_usec = data_buffer->fill_time.tv_usec;
if( data_buffer->fill_time.tv_usec < vobj->recording_start_time.tv_usec )
{
streamtime.tv_sec--;
streamtime.tv_usec += 1000000;
}
streamtime.tv_usec -= vobj->recording_start_time.tv_usec;
streampos = streamtime.tv_sec + ( (double)streamtime.tv_usec / 1000000.0f );
// If the streampos is ahead, this means that we get
// less than 30 frames per seconds.
// --> Fill up the stream
while( streampos > videopos )
{
/* printf( "s v: %f a: %f\n", videopos, audiopos ); */
gotpage = 0;
if( theora_encode_YUVin( &vobj->th, &yuv ) )
{
TRACE( "theora_encode_YUVin FAILED!\n" );
}
theora_encode_packetout( &vobj->th, 0, &vobj->op );
ogg_stream_packetin( &vobj->os, &vobj->op );
while( ogg_stream_pageout( &vobj->os, &og ) )
{
double gt;
fwrite( og.header, og.header_len, 1, vobj->f );
fwrite( og.body, og.body_len, 1, vobj->f );
gt = theora_granule_time( &vobj->th, ogg_page_granulepos( &og ) );
if( gt < 0 )
{
continue;
}
gotpage = 1;
videopos = gt;
/* printf( "THEORA: %f\n", videopos ); */
}
if( !gotpage )
{
videopos += vobj->frame_interval / 1000000.0f;
}
vobj->frame_count++;
audiopos = fetch_and_process_audio( vobj, audiopos );
}
//
while( ( videopos + ( vobj->frame_interval / 1000000.0f ) ) < audiopos )
{
/* printf( "a v: %f a: %f\n", videopos, audiopos ); */
gotpage = 0;
if( theora_encode_YUVin( &vobj->th, &yuv ) )
{
TRACE( "theora_encode_YUVin FAILED!\n" );
}
theora_encode_packetout( &vobj->th, 0, &vobj->op );
ogg_stream_packetin( &vobj->os, &vobj->op );
while( ogg_stream_pageout( &vobj->os, &og ) )
{
double gt;
fwrite( og.header, og.header_len, 1, vobj->f );
fwrite( og.body, og.body_len, 1, vobj->f );
gt = theora_granule_time( &vobj->th, ogg_page_granulepos( &og ) );
if( gt < 0 )
{
continue;
}
gotpage = 1;
videopos = gt;
/* printf( "THEORA: %f\n", videopos ); */
}
if( !gotpage )
{
videopos += vobj->frame_interval / 1000000.0f;
}
vobj->frame_count++;
audiopos = fetch_and_process_audio( vobj, audiopos );
}
last_data_buffer->flags &= ~UNICAP_FLAGS_BUFFER_LOCKED;
sem_wait( &vobj->lock );
g_queue_push_head( vobj->empty_queue, vobj->last_frame );
sem_post( &vobj->lock );
vobj->last_frame = NULL;
}
}
else
{
fill_frames( vobj, data_buffer, &yuv, ds_y_buffer, ds_u_buffer, ds_v_buffer );
}
}
else// ( !vobj->fill_frames )
{
if( vobj->last_frame )
{
unicap_data_buffer_t *last_data_buffer;
last_data_buffer = vobj->last_frame;
last_data_buffer->flags &= ~UNICAP_FLAGS_BUFFER_LOCKED;
sem_wait( &vobj->lock );
g_queue_push_head( vobj->empty_queue, vobj->last_frame );
sem_post( &vobj->lock );
}
vobj->last_frame = NULL;
}
//
// Encode the new buffer
//
if( vobj->encode_frame_cb )
{
vobj->encode_frame_cb( UNICAP_EVENT_NEW_FRAME, NULL, data_buffer, vobj->encode_frame_cb_data );
}
vobj->frame_count++;
if( vobj->downsize > 1 || vobj->requires_resizing_frames )
{
downsize_yuv420p( vobj->format.size.width, vobj->format.size.height, vobj->downsize,
vobj->ti.width, vobj->ti.height,
ds_y_buffer, ds_u_buffer, ds_v_buffer,
data_buffer->data, data_buffer->data + ( vobj->format.size.width * vobj->format.size.height ),
data_buffer->data + ( vobj->format.size.width * vobj->format.size.height ) +
( ( vobj->format.size.width * vobj->format.size.height ) / 4 ) );
yuv.y = ds_y_buffer;
yuv.u = ds_u_buffer;
yuv.v = ds_v_buffer;
}
else
{
yuv.y = data_buffer->data;
yuv.u = data_buffer->data + ( yuv.y_stride * yuv.y_height );
yuv.v = yuv.u + ( yuv.uv_stride * yuv.uv_height );
}
if( theora_encode_YUVin( &vobj->th, &yuv ) )
{
TRACE( "theora_encode_YUVin FAILED!\n" );
}
memcpy( &vobj->last_frame_time, &data_buffer->fill_time, sizeof( struct timeval ) );
vobj->last_frame = data_buffer;
theora_encode_packetout( &vobj->th, 0, &vobj->op );
ogg_stream_packetin( &vobj->os, &vobj->op );
/* printf( "= v: %f a: %f\n", videopos, audiopos ); */
gotpage = 0;
while( ogg_stream_pageout( &vobj->os, &og ) )
{
double gt;
fwrite( og.header, og.header_len, 1, vobj->f );
fwrite( og.body, og.body_len, 1, vobj->f );
gt = theora_granule_time( &vobj->th, ogg_page_granulepos( &og ) );
if( gt < 0 )
{
continue;
}
gotpage = 1;
videopos = gt;
/* printf( "THEORA: %f\n", videopos ); */
}
if( !gotpage )
{
videopos += vobj->frame_interval / 1000000.0f;
}
}
if( vobj->last_frame )
{
// encode again to set eos
unicap_data_buffer_t *last_data_buffer;
ogg_page og;
ogg_packet op;
#if HAVE_ALSA
if( vobj->audio && !vobj->async_audio_encoding )
{
audiopos = fetch_and_process_audio( vobj, audiopos );
vorbis_analysis_wrote( &vobj->vd, 0 );
while( vorbis_analysis_blockout( &vobj->vd, &vobj->vb ) == 1 )
{
vorbis_analysis( &vobj->vb, NULL );
vorbis_bitrate_addblock( &vobj->vb );
while( vorbis_bitrate_flushpacket( &vobj->vd, &op ) )
{
ogg_stream_packetin( &vobj->vo, &op );
}
}
while( ogg_stream_pageout( &vobj->vo, &og ) )
{
fwrite( og.header, og.header_len, 1, vobj->f );
fwrite( og.body, og.body_len, 1, vobj->f );
}
}
else if( vobj->audio )
{
audiopos = fetch_and_process_audio( vobj, audiopos );
}
#endif
last_data_buffer = vobj->last_frame;
if( vobj->downsize > 1 || vobj->requires_resizing_frames )
{
yuv.y = ds_y_buffer;
yuv.u = ds_u_buffer;
yuv.v = ds_v_buffer;
}
else
{
yuv.y = last_data_buffer->data;
yuv.u = last_data_buffer->data + ( yuv.y_stride * yuv.y_height );
yuv.v = yuv.u + ( yuv.uv_stride * yuv.uv_height );
}
if( theora_encode_YUVin( &vobj->th, &yuv ) )
{
TRACE( "theora_encode_YUVin FAILED!\n" );
}
theora_encode_packetout( &vobj->th, 1, &vobj->op );
ogg_stream_packetin( &vobj->os, &vobj->op );
while( ogg_stream_pageout( &vobj->os, &og ) )
{
/* printf( "THEORA: %f\n", theora_granule_time( &vobj->th, ogg_page_granulepos( &og ) ) ); */
fwrite( og.header, og.header_len, 1, vobj->f );
fwrite( og.body, og.body_len, 1, vobj->f );
}
last_data_buffer->flags &= ~UNICAP_FLAGS_BUFFER_LOCKED;
sem_wait( &vobj->lock );
g_queue_push_head( vobj->empty_queue, vobj->last_frame );
sem_post( &vobj->lock );
vobj->last_frame = NULL;
}
return NULL;
}
int main(int argc,char *argv[]){
int c,long_option_index,ret;
ogg_stream_state to; /* take physical pages, weld into a logical
stream of packets */
ogg_stream_state vo; /* take physical pages, weld into a logical
stream of packets */
ogg_page og; /* one Ogg bitstream page. Vorbis packets are inside */
ogg_packet op; /* one raw packet of data for decode */
theora_state td;
theora_info ti;
theora_comment tc;
vorbis_info vi; /* struct that stores all the static vorbis bitstream
settings */
vorbis_comment vc; /* struct that stores all the user comments */
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
vorbis_block vb; /* local working space for packet->PCM decode */
int audioflag=0;
int videoflag=0;
int akbps=0;
int vkbps=0;
ogg_int64_t audio_bytesout=0;
ogg_int64_t video_bytesout=0;
double timebase;
FILE* outfile = stdout;
#ifdef _WIN32
# ifdef THEORA_PERF_DATA
LARGE_INTEGER start_time;
LARGE_INTEGER final_time;
LONGLONG elapsed_ticks;
LARGE_INTEGER ticks_per_second;
LONGLONG elapsed_secs;
LONGLONG elapsed_sec_mod;
double elapsed_secs_dbl ;
# endif
/* We need to set stdin/stdout to binary mode. Damn windows. */
/* if we were reading/writing a file, it would also need to in
binary mode, eg, fopen("file.wav","wb"); */
/* Beware the evil ifdef. We avoid these where we can, but this one we
cannot. Don't add any more, you'll probably go to hell if you do. */
_setmode( _fileno( stdin ), _O_BINARY );
_setmode( _fileno( stdout ), _O_BINARY );
#endif
while((c=getopt_long(argc,argv,optstring,options,&long_option_index))!=EOF){
switch(c){
case 'o':
outfile=fopen(optarg,"wb");
if(outfile==NULL){
fprintf(stderr,"Unable to open output file '%s'\n", optarg);
exit(1);
}
break;;
case 'a':
audio_q=atof(optarg)*.099;
if(audio_q<-.1 || audio_q>1){
fprintf(stderr,"Illegal audio quality (choose -1 through 10)\n");
exit(1);
}
audio_r=-1;
break;
case 'v':
video_q=rint(atof(optarg)*6.3);
if(video_q<0 || video_q>63){
fprintf(stderr,"Illegal video quality (choose 0 through 10)\n");
exit(1);
}
video_r=0;
break;
case 'A':
audio_r=atof(optarg)*1000;
if(audio_q<0){
fprintf(stderr,"Illegal audio quality (choose > 0 please)\n");
exit(1);
}
audio_q=-99;
break;
case 'V':
video_r=rint(atof(optarg)*1000);
if(video_r<45000 || video_r>2000000){
fprintf(stderr,"Illegal video bitrate (choose 45kbps through 2000kbps)\n");
exit(1);
}
video_q=0;
break;
case 's':
video_an=rint(atof(optarg));
break;
case 'S':
video_ad=rint(atof(optarg));
break;
case 'f':
video_hzn=rint(atof(optarg));
break;
case 'F':
video_hzd=rint(atof(optarg));
break;
default:
usage();
}
}
while(optind<argc){
/* assume that anything following the options must be a filename */
id_file(argv[optind]);
optind++;
}
#ifdef THEORA_PERF_DATA
# ifdef WIN32
QueryPerformanceCounter(&start_time);
# endif
#endif
/* yayness. Set up Ogg output stream */
srand(time(NULL));
{
/* need two inequal serial numbers */
int serial1, serial2;
serial1 = rand();
serial2 = rand();
if (serial1 == serial2) serial2++;
ogg_stream_init(&to,serial1);
ogg_stream_init(&vo,serial2);
}
/* Set up Theora encoder */
if(!video){
fprintf(stderr,"No video files submitted for compression?\n");
exit(1);
}
/* Theora has a divisible-by-sixteen restriction for the encoded video size */
/* scale the frame size up to the nearest /16 and calculate offsets */
video_x=((frame_x + 15) >>4)<<4;
video_y=((frame_y + 15) >>4)<<4;
/* We force the offset to be even.
This ensures that the chroma samples align properly with the luma
samples. */
frame_x_offset=((video_x-frame_x)/2)&~1;
frame_y_offset=((video_y-frame_y)/2)&~1;
theora_info_init(&ti);
ti.width=video_x;
ti.height=video_y;
ti.frame_width=frame_x;
ti.frame_height=frame_y;
ti.offset_x=frame_x_offset;
ti.offset_y=frame_y_offset;
ti.fps_numerator=video_hzn;
ti.fps_denominator=video_hzd;
ti.aspect_numerator=video_an;
ti.aspect_denominator=video_ad;
ti.colorspace=OC_CS_UNSPECIFIED;
ti.pixelformat=OC_PF_420;
ti.target_bitrate=video_r;
ti.quality=video_q;
ti.dropframes_p=0;
ti.quick_p=1;
ti.keyframe_auto_p=1;
ti.keyframe_frequency=64;
ti.keyframe_frequency_force=64;
ti.keyframe_data_target_bitrate=video_r*1.5;
ti.keyframe_auto_threshold=80;
ti.keyframe_mindistance=8;
ti.noise_sensitivity=1;
theora_encode_init(&td,&ti);
theora_info_clear(&ti);
/* initialize Vorbis too, assuming we have audio to compress. */
if(audio){
vorbis_info_init(&vi);
if(audio_q>-99)
ret = vorbis_encode_init_vbr(&vi,audio_ch,audio_hz,audio_q);
else
ret = vorbis_encode_init(&vi,audio_ch,audio_hz,-1,audio_r,-1);
if(ret){
fprintf(stderr,"The Vorbis encoder could not set up a mode according to\n"
"the requested quality or bitrate.\n\n");
exit(1);
}
vorbis_comment_init(&vc);
vorbis_analysis_init(&vd,&vi);
vorbis_block_init(&vd,&vb);
}
/* write the bitstream header packets with proper page interleave */
/* first packet will get its own page automatically */
theora_encode_header(&td,&op);
ogg_stream_packetin(&to,&op);
if(ogg_stream_pageout(&to,&og)!=1){
fprintf(stderr,"Internal Ogg library error.\n");
exit(1);
}
fwrite(og.header,1,og.header_len,outfile);
fwrite(og.body,1,og.body_len,outfile);
/* create the remaining theora headers */
theora_comment_init(&tc);
theora_encode_comment(&tc,&op);
ogg_stream_packetin(&to,&op);
/*theora_encode_comment() doesn't take a theora_state parameter, so it has to
allocate its own buffer to pass back the packet data.
If we don't free it here, we'll leak.
libogg2 makes this much cleaner: the stream owns the buffer after you call
packetin in libogg2, but this is not true in libogg1.*/
free(op.packet);
theora_encode_tables(&td,&op);
ogg_stream_packetin(&to,&op);
if(audio){
ogg_packet header;
ogg_packet header_comm;
ogg_packet header_code;
vorbis_analysis_headerout(&vd,&vc,&header,&header_comm,&header_code);
ogg_stream_packetin(&vo,&header); /* automatically placed in its own
page */
if(ogg_stream_pageout(&vo,&og)!=1){
fprintf(stderr,"Internal Ogg library error.\n");
exit(1);
}
fwrite(og.header,1,og.header_len,outfile);
fwrite(og.body,1,og.body_len,outfile);
/* remaining vorbis header packets */
ogg_stream_packetin(&vo,&header_comm);
ogg_stream_packetin(&vo,&header_code);
}
/* Flush the rest of our headers. This ensures
the actual data in each stream will start
on a new page, as per spec. */
while(1){
int result = ogg_stream_flush(&to,&og);
if(result<0){
/* can't get here */
fprintf(stderr,"Internal Ogg library error.\n");
exit(1);
}
if(result==0)break;
fwrite(og.header,1,og.header_len,outfile);
fwrite(og.body,1,og.body_len,outfile);
}
if(audio){
while(1){
int result=ogg_stream_flush(&vo,&og);
if(result<0){
/* can't get here */
fprintf(stderr,"Internal Ogg library error.\n");
exit(1);
}
if(result==0)break;
fwrite(og.header,1,og.header_len,outfile);
fwrite(og.body,1,og.body_len,outfile);
}
}
/* setup complete. Raw processing loop */
fprintf(stderr,"Compressing....\n");
while(1){
ogg_page audiopage;
ogg_page videopage;
/* is there an audio page flushed? If not, fetch one if possible */
audioflag=fetch_and_process_audio(audio,&audiopage,&vo,&vd,&vb,audioflag);
/* is there a video page flushed? If not, fetch one if possible */
videoflag=fetch_and_process_video(video,&videopage,&to,&td,videoflag);
/* no pages of either? Must be end of stream. */
if(!audioflag && !videoflag)break;
/* which is earlier; the end of the audio page or the end of the
video page? Flush the earlier to stream */
{
int audio_or_video=-1;
double audiotime=
audioflag?vorbis_granule_time(&vd,ogg_page_granulepos(&audiopage)):-1;
double videotime=
videoflag?theora_granule_time(&td,ogg_page_granulepos(&videopage)):-1;
if(!audioflag){
audio_or_video=1;
} else if(!videoflag) {
audio_or_video=0;
} else {
if(audiotime<videotime)
audio_or_video=0;
else
audio_or_video=1;
}
if(audio_or_video==1){
/* flush a video page */
video_bytesout+=fwrite(videopage.header,1,videopage.header_len,outfile);
video_bytesout+=fwrite(videopage.body,1,videopage.body_len,outfile);
videoflag=0;
timebase=videotime;
}else{
/* flush an audio page */
audio_bytesout+=fwrite(audiopage.header,1,audiopage.header_len,outfile);
audio_bytesout+=fwrite(audiopage.body,1,audiopage.body_len,outfile);
audioflag=0;
timebase=audiotime;
}
{
int hundredths=timebase*100-(long)timebase*100;
int seconds=(long)timebase%60;
int minutes=((long)timebase/60)%60;
int hours=(long)timebase/3600;
if(audio_or_video)
vkbps=rint(video_bytesout*8./timebase*.001);
else
akbps=rint(audio_bytesout*8./timebase*.001);
fprintf(stderr,
"\r %d:%02d:%02d.%02d audio: %dkbps video: %dkbps ",
hours,minutes,seconds,hundredths,akbps,vkbps);
}
}
}
/* clear out state */
if(audio){
ogg_stream_clear(&vo);
vorbis_block_clear(&vb);
vorbis_dsp_clear(&vd);
vorbis_comment_clear(&vc);
vorbis_info_clear(&vi);
}
if(video){
ogg_stream_clear(&to);
theora_clear(&td);
}
if(outfile && outfile!=stdout)fclose(outfile);
fprintf(stderr,"\r \ndone.\n\n");
#ifdef THEORA_PERF_DATA
# ifdef WIN32
QueryPerformanceCounter(&final_time);
elapsed_ticks = final_time.QuadPart - start_time.QuadPart;
ticks_per_second;
QueryPerformanceFrequency(&ticks_per_second);
elapsed_secs = elapsed_ticks / ticks_per_second.QuadPart;
elapsed_sec_mod = elapsed_ticks % ticks_per_second.QuadPart;
elapsed_secs_dbl = elapsed_secs;
elapsed_secs_dbl += ((double)elapsed_sec_mod / (double)ticks_per_second.QuadPart);
printf("Encode time = %lld ticks\n", elapsed_ticks);
printf("~%lld and %lld / %lld seconds\n", elapsed_secs, elapsed_sec_mod, ticks_per_second.QuadPart);
printf("~%Lf seconds\n", elapsed_secs_dbl);
# endif
#endif
return(0);
}