static int
noop_test_encode ()
{
theora_info ti;
theora_state th;
INFO ("+ Initializing theora_info struct");
theora_info_init (&ti);
INFO ("+ Setting a 16x16 frame");
ti.width = 16;
ti.height = 16;
INFO ("+ Setting a 1:1 frame rate");
ti.fps_numerator = 1;
ti.fps_denominator = 1;
INFO ("+ Initializing theora_state for encoding");
if (theora_encode_init (&th, &ti) != OC_DISABLED) {
INFO ("+ Clearing theora_state");
theora_clear (&th);
}
INFO ("+ Clearing theora_info struct");
theora_info_clear (&ti);
return 0;
}
static void enc_preprocess(MSFilter *f){
EncState *s=(EncState*)f->data;
int err;
if ((err=theora_encode_init(&s->tstate,&s->tinfo))!=0){
ms_error("error in theora_encode_init() : %i !",err);
}
s->yuv.y_width=s->tinfo.width;
s->yuv.y_height=s->tinfo.height;
s->yuv.y_stride=s->tinfo.width;
s->yuv.uv_width=s->tinfo.width/2;
s->yuv.uv_height=s->tinfo.height/2;
s->yuv.uv_stride=s->tinfo.width/2;
create_packed_conf(s);
s->conf_time=0;
s->nframes=0;
}
static int
noop_test_encode ()
{
theora_info ti;
theora_state th;
INFO ("+ Initializing theora_info struct");
theora_info_init (&ti);
INFO ("+ Initializing theora_state for encoding");
if (theora_encode_init (&th, &ti) != OC_DISABLED) {
INFO ("+ Clearing theora_state");
theora_clear (&th);
}
INFO ("+ Clearing theora_info struct");
theora_info_clear (&ti);
return 0;
}
static void
theora_enc_reset (GstTheoraEnc * enc)
{
theora_clear (&enc->state);
theora_encode_init (&enc->state, &enc->info);
}
static int
granulepos_test_encode (int frequency, int auto_p)
{
theora_info ti;
theora_state th;
int result;
int frame, tframe, keyframe, keydist;
int shift;
double rate, ttime;
yuv_buffer yuv;
unsigned char *framedata;
ogg_packet op;
long long int last_granule = -1;
/* INFO ("+ Initializing theora_info struct"); */
theora_info_init (&ti);
ti.width = 32;
ti.height = 32;
ti.frame_width = ti.width;
ti.frame_height = ti.frame_height;
ti.offset_x = 0;
ti.offset_y = 0;
ti.fps_numerator = 16;
ti.fps_denominator = 1;
ti.aspect_numerator = 1;
ti.aspect_denominator = 1;
ti.colorspace = OC_CS_UNSPECIFIED;
ti.pixelformat = OC_PF_420;
ti.target_bitrate = 0;
ti.quality = 16;
ti.dropframes_p = 0;
ti.quick_p = 1;
/* check variations of automatic or forced keyframe choice */
ti.keyframe_auto_p = auto_p;
/* check with variations of the maximum gap */
ti.keyframe_frequency = frequency;
ti.keyframe_frequency_force = frequency;
ti.keyframe_data_target_bitrate = ti.target_bitrate * 1.5;
ti.keyframe_auto_threshold = 80;
ti.keyframe_mindistance = MIN(8, frequency);
ti.noise_sensitivity = 1;
/* INFO ("+ Initializing theora_state for encoding"); */
result = theora_encode_init (&th, &ti);
if (result == OC_DISABLED) {
INFO ("+ Clearing theora_state");
theora_clear (&th);
} else if (result < 0) {
FAIL ("negative return code initializing encoder");
}
/* INFO ("+ Setting up dummy 4:2:0 frame data"); */
framedata = calloc(ti.height, ti.width);
yuv.y_width = ti.width;
yuv.y_height = ti.height;
yuv.y_stride = ti.width;
yuv.y = framedata;
yuv.uv_width = ti.width / 2;
yuv.uv_height = ti.width / 2;
yuv.uv_stride = ti.width;
yuv.u = framedata;
yuv.v = framedata;
INFO ("+ Checking granulepos generation");
shift = theora_granule_shift(&ti);
rate = (double)ti.fps_denominator/ti.fps_numerator;
for (frame = 0; frame < frequency * 2 + 1; frame++) {
result = theora_encode_YUVin (&th, &yuv);
if (result < 0) {
printf("theora_encode_YUVin() returned %d\n", result);
FAIL ("negative error code submitting frame for compression");
}
theora_encode_packetout (&th, frame >= frequency * 2, &op);
if ((long long int)op.granulepos < last_granule)
FAIL ("encoder returned a decreasing granulepos value");
last_granule = op.granulepos;
keyframe = op.granulepos >> shift;
keydist = op.granulepos - (keyframe << shift);
tframe = theora_granule_frame (&th, op.granulepos);
ttime = theora_granule_time(&th, op.granulepos);
#if DEBUG
printf("++ frame %d granulepos %lld %d:%d %d %.3lfs\n",
frame, (long long int)op.granulepos, keyframe, keydist,
tframe, theora_granule_time (&th, op.granulepos));
#endif
if ((keyframe + keydist) != frame + 1)
FAIL ("encoder granulepos does not map to the correct frame number");
if (tframe != frame)
FAIL ("theora_granule_frame returned incorrect results");
if (fabs(rate*(frame+1) - ttime) > 1.0e-6)
FAIL ("theora_granule_time returned incorrect results");
}
/* clean up */
/* INFO ("+ Freeing dummy frame data"); */
free (framedata);
/* INFO ("+ Clearing theora_info struct"); */
theora_info_clear (&ti);
/* INFO ("+ Clearing theora_state"); */
theora_clear (&th);
return 0;
}
static int encode_init(AVCodecContext* avc_context)
{
theora_info t_info;
theora_comment t_comment;
ogg_packet o_packet;
unsigned int offset;
TheoraContext *h = avc_context->priv_data;
/* Set up the theora_info struct */
theora_info_init( &t_info );
t_info.width = avc_context->width;
t_info.height = avc_context->height;
t_info.frame_width = avc_context->width;
t_info.frame_height = avc_context->height;
t_info.offset_x = 0;
t_info.offset_y = 0;
/* Swap numerator and denominator as time_base in AVCodecContext gives the
* time period between frames, but theora_info needs the framerate. */
t_info.fps_numerator = avc_context->time_base.den;
t_info.fps_denominator = avc_context->time_base.num;
if (avc_context->sample_aspect_ratio.num != 0) {
t_info.aspect_numerator = avc_context->sample_aspect_ratio.num;
t_info.aspect_denominator = avc_context->sample_aspect_ratio.den;
} else {
t_info.aspect_numerator = 1;
t_info.aspect_denominator = 1;
}
t_info.colorspace = OC_CS_UNSPECIFIED;
t_info.pixelformat = OC_PF_420;
t_info.target_bitrate = avc_context->bit_rate;
t_info.keyframe_frequency = avc_context->gop_size;
t_info.keyframe_frequency_force = avc_context->gop_size;
t_info.keyframe_mindistance = avc_context->keyint_min;
t_info.quality = 0;
t_info.quick_p = 1;
t_info.dropframes_p = 0;
t_info.keyframe_auto_p = 1;
t_info.keyframe_data_target_bitrate = t_info.target_bitrate * 1.5;
t_info.keyframe_auto_threshold = 80;
t_info.noise_sensitivity = 1;
t_info.sharpness = 0;
/* Now initialise libtheora */
if (theora_encode_init( &(h->t_state), &t_info ) != 0) {
av_log(avc_context, AV_LOG_ERROR, "theora_encode_init failed\n");
return -1;
}
/* Clear up theora_info struct */
theora_info_clear( &t_info );
/*
Output first header packet consisting of theora
header, comment, and tables.
Each one is prefixed with a 16bit size, then they
are concatenated together into ffmpeg's extradata.
*/
offset = 0;
/* Header */
theora_encode_header( &(h->t_state), &o_packet );
if (concatenate_packet( &offset, avc_context, &o_packet ) != 0) {
return -1;
}
/* Comment */
theora_comment_init( &t_comment );
theora_encode_comment( &t_comment, &o_packet );
if (concatenate_packet( &offset, avc_context, &o_packet ) != 0) {
return -1;
}
/* Tables */
theora_encode_tables( &(h->t_state), &o_packet );
if (concatenate_packet( &offset, avc_context, &o_packet ) != 0) {
return -1;
}
/* Clear up theora_comment struct */
theora_comment_clear( &t_comment );
/* Set up the output AVFrame */
avc_context->coded_frame= avcodec_alloc_frame();
return 0;
}
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);
}
static BGBBTJ_VidCodecCTX *theo_begin_compress(int fcc,
BGBBTJ_BMPInfoHeader *in, BGBBTJ_BMPInfoHeader *out)
{
byte tbuf[16384];
ogg_packet op;
BGBBTJ_VidCodecCTX *ctx;
vfw_ctxinfo *info;
byte *ct;
int err, sz, xs, ys, xs1, ys1, px, py;
if((fcc!=RIFF_TAG_THEO) && (fcc!=RIFF_TAG_theo) &&
(fcc!=RIFF_TAG_ther))
return(NULL);
ctx=BGBBTJ_VidCodecCTX_New();
info=gcalloc(sizeof(vfw_ctxinfo));
ctx->data=info;
info->ihead=gcalloc(sizeof(BGBBTJ_BMPInfoHeader));
memset(info->ihead, 0, sizeof(BGBBTJ_BMPInfoHeader));
info->ihead->biSize = sizeof(BGBBTJ_BMPInfoHeader);
info->ihead->biWidth = in->biWidth;
info->ihead->biHeight = in->biHeight;
info->ihead->biPlanes = in->biPlanes;
info->ihead->biBitCount = in->biBitCount;
info->ihead->biCompression = in->biCompression;
info->ihead->biSizeImage =
in->biWidth*in->biHeight*in->biBitCount/8;
// out->biCompression=RIFF_TAG_ther;
out->biCompression=RIFF_TAG_theo;
info->ohead=gcalloc(sizeof(BGBBTJ_BMPInfoHeader));
memset(info->ohead, 0, sizeof(BGBBTJ_BMPInfoHeader));
info->ohead->biSize = sizeof(BGBBTJ_BMPInfoHeader);
info->ohead->biWidth = out->biWidth;
// info->ohead->biHeight = -out->biHeight;
info->ohead->biHeight = out->biHeight;
info->ohead->biPlanes = out->biPlanes;
info->ohead->biBitCount = out->biBitCount;
info->ohead->biCompression = out->biCompression;
info->ihead->biSizeImage =
out->biWidth*out->biHeight*out->biBitCount/8;
// info->buffer=malloc(out->width*out->height*out->bpp/8);
theora_info_init(&(info->ti));
// if(err<0)printf("theo_begin_compress: A Err=%d\n");
xs=(out->biWidth+15)&(~15);
ys=(out->biHeight+15)&(~15);
xs1=xs>>1;
ys1=ys>>1;
px=((xs-out->biWidth)>>1)&(~1);
py=((ys-out->biHeight)>>1)&(~1);
info->ti.width = out->biWidth;
info->ti.height = out->biHeight;
info->ti.frame_width = xs;
info->ti.frame_height = ys;
info->ti.offset_x=px;
info->ti.offset_y=py;
// info->ti.pixel_fmt=TH_PF_420;
info->ti.pixelformat=TH_PF_420;
// info->ti.quality=56;
info->ti.quality=63;
info->ti.colorspace=TH_CS_UNSPECIFIED;
info->ti.fps_numerator=24;
info->ti.fps_denominator=1;
info->ti.aspect_numerator=1;
info->ti.aspect_denominator=1;
th_info_init(&(info->thi));
// if(err<0)printf("theo_begin_compress: B Err=%d\n");
info->thi.pic_width = out->biWidth;
info->thi.pic_height = out->biHeight;
info->thi.frame_width = xs;
info->thi.frame_height = ys;
info->thi.pic_x=px;
info->thi.pic_y=py;
info->thi.fps_numerator=24;
info->thi.fps_denominator=1;
info->thi.aspect_numerator=1;
info->thi.aspect_denominator=1;
info->thi.colorspace=TH_CS_UNSPECIFIED;
info->thi.pixel_fmt=TH_PF_420;
// info->thi.pixelformat=TH_PF_420;
// info->thi.quality=48;
info->thi.quality=63;
if(theora_encode_init(&(info->th), &(info->ti)) != OC_DISABLED)
{ theora_clear(&(info->th)); }
info->td=th_encode_alloc(&(info->thi));
th_info_clear(&(info->thi));
// if(err<0)printf("theo_begin_compress: C Err=%d\n");
th_comment_init(&(info->tc));
// if(err<0)printf("theo_begin_compress: D Err=%d\n");
ct=tbuf;
err=th_encode_flushheader(info->td, &(info->tc), &op);
if(err<0)printf("theo_begin_compress: E Err=%d\n");
ct[0]=(op.bytes>>8)&255;
ct[1]=op.bytes&255;
ct+=2;
memcpy(ct, op.packet, op.bytes);
ct+=op.bytes;
while(1)
{
err=th_encode_flushheader(info->td, &(info->tc), &op);
if(err<=0)break;
ct[0]=(op.bytes>>8)&255;
ct[1]=op.bytes&255;
ct+=2;
memcpy(ct, op.packet, op.bytes);
ct+=op.bytes;
}
if(err<0)printf("theo_begin_compress: F Err=%d\n");
sz=ct-tbuf;
ctx->vidStrd=gcalloc(sz);
ctx->sz_vidStrd=sz;
memcpy(ctx->vidStrd, tbuf, sz);
info->ycbbuf[0].width=xs;
info->ycbbuf[0].height=ys;
info->ycbbuf[0].stride=xs;
info->ycbbuf[0].data=malloc(xs*ys);
info->ycbbuf[1].width=xs1;
info->ycbbuf[1].height=ys1;
info->ycbbuf[1].stride=xs1;
info->ycbbuf[1].data=malloc(xs1*ys1);
info->ycbbuf[2].width=xs1;
info->ycbbuf[2].height=ys1;
info->ycbbuf[2].stride=xs1;
info->ycbbuf[2].data=malloc(xs1*ys1);
ctx->compress_frame=&theo_compress_frame;
return(ctx);
}
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);
}