コード例 #1
0
ファイル: DGVideo.cpp プロジェクト: CSRedRat/Dagon
void DGVideo::unload() {
    if (_isLoaded) {
        _isLoaded = false;
        _state = DGVideoInitial;
        
        _theoraInfo->videobuf_ready = 0;
        _theoraInfo->videobuf_granulepos -= 1;
        _theoraInfo->videobuf_time = 0;
        
        if (_theoraInfo->theora_p) {
            // Rewind and reset
            fseek(_handle, (long)_theoraInfo->bos * 8, SEEK_SET);
            ogg_stream_reset(&_theoraInfo->to);
            ogg_stream_clear(&_theoraInfo->to);
            theora_clear(&_theoraInfo->td);
            theora_comment_clear(&_theoraInfo->tc);
            theora_info_clear(&_theoraInfo->ti);
        }
        
        ogg_sync_clear(&_theoraInfo->oy);
        
        _theoraInfo->theora_p = 0;
        
        free(_currentFrame.data);
        fclose(_handle);
    }
}
コード例 #2
0
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;
}
コード例 #3
0
void Cin_OGM_Shutdown() {
#ifdef USE_CIN_XVID
	int status;

	status = shutdown_xvid();
	if (status)
		Com_Printf("[Xvid]Decore RELEASE problem, return value %d\n", status);
#endif
#ifdef USE_CIN_THEORA
    theora_clear(&g_ogm.th_state);
    theora_comment_clear(&g_ogm.th_comment);
    theora_info_clear(&g_ogm.th_info);
#endif
	if(g_ogm.outputBuffer) free(g_ogm.outputBuffer);
	g_ogm.outputBuffer = NULL;

	vorbis_dsp_clear(&g_ogm.vd);
	vorbis_comment_clear(&g_ogm.vc);
	vorbis_info_clear(&g_ogm.vi);  /* must be called last (comment from vorbis example code) */

	ogg_stream_clear(&g_ogm.os_audio);
	ogg_stream_clear(&g_ogm.os_video);

	ogg_sync_clear(&g_ogm.oy);

	FS_FCloseFile(g_ogm.ogmFile);
	g_ogm.ogmFile = 0;
}
コード例 #4
0
static av_cold int encode_close(AVCodecContext* avc_context)
{
    ogg_packet o_packet;
    TheoraContext *h = avc_context->priv_data;
    int result;
    const char* message;

    result = theora_encode_packetout( &(h->t_state), 1, &o_packet );
    theora_clear( &(h->t_state) );
    av_freep(&avc_context->coded_frame);
    av_freep(&avc_context->extradata);
    avc_context->extradata_size = 0;

    switch (result) {
        case 0:/* No packet is ready */
        case -1:/* Encoding finished */
            return 0;
        case 1:
            /* We have a packet */
            message = "gave us a packet";
            break;
        default:
            message = "unknown reason";
            break;
    }
    av_log(avc_context, AV_LOG_ERROR, "theora_encode_packetout failed (%s) [%d]\n", message, result);
    return -1;
}
コード例 #5
0
static void enc_postprocess(MSFilter *f){
	EncState *s=(EncState*)f->data;
	theora_clear(&s->tstate);
	theora_info_clear(&s->tinfo);
	if (s->packed_conf) {
		freemsg(s->packed_conf);
		s->packed_conf=NULL;
	}
}
コード例 #6
0
ファイル: jvideoserver.cpp プロジェクト: skopp/rush
void TheoraClose()
{
  ogg_stream_clear      ( &m_StreamState );
  theora_clear          ( &m_State       );
  theora_comment_clear  ( &m_Comment     );
  theora_info_clear     ( &m_Info        );
  ogg_sync_clear        ( &m_SyncState   );

  fclose( m_File );
}
コード例 #7
0
ファイル: mmfile.cpp プロジェクト: BlastarIndia/raceintospace
int
mm_close(mm_file *mf)
{
    assert(mf);

    if (mf->file) {
        fclose(mf->file);
        mf->file = NULL;
    }

    if (mf->audio) {
        ogg_stream_destroy(mf->audio);
        mf->audio = NULL;
    }

    if (mf->video) {
        ogg_stream_destroy(mf->video);
        mf->video = NULL;
    }

    if (mf->video_ctx) {
        theora_clear(mf->video_ctx);
        free(mf->video_ctx);
        mf->video_ctx = NULL;
    }

    if (mf->video_info) {
        theora_info_clear(mf->video_info);
        free(mf->video_info);
        mf->video_info = NULL;
    }

    if (mf->audio_blk) {
        vorbis_block_clear(mf->audio_blk);
        free(mf->audio_blk);
        mf->audio_blk = NULL;
    }

    if (mf->audio_ctx) {
        vorbis_dsp_clear(mf->audio_ctx);
        free(mf->audio_ctx);
        mf->audio_ctx = NULL;
    }

    if (mf->audio_info) {
        vorbis_info_clear(mf->audio_info);
        free(mf->audio_info);
        mf->audio_info = NULL;
    }

    ogg_sync_clear(&mf->sync);
    return 0;
}
コード例 #8
0
/* 
 * uninit driver
 */
static void uninit(sh_video_t *sh)
{
   theora_struct_t *context = (theora_struct_t *)sh->context;

   if (context)
   {
      theora_info_clear(&context->inf);
      theora_comment_clear(&context->cc);
      theora_clear (&context->st);
      free (context);
   }
}
コード例 #9
0
static GF_Err THEO_DetachStream(GF_BaseDecoder *ifcg, u16 ES_ID)
{
	THEORACTX();
	if (ctx->ES_ID != ES_ID) return GF_BAD_PARAM;

	theora_clear(&ctx->td); 
    theora_info_clear(&ctx->ti);
    theora_comment_clear(&ctx->tc);

	ctx->ES_ID = 0;
	return GF_OK;
}
コード例 #10
0
static void
theora_enc_finalize (GObject * object)
{
  GstTheoraEnc *enc = GST_THEORA_ENC (object);

  GST_DEBUG_OBJECT (enc, "Finalizing");
  theora_clear (&enc->state);
  theora_comment_clear (&enc->comment);
  theora_info_clear (&enc->info);

  G_OBJECT_CLASS (parent_class)->finalize (object);
}
コード例 #11
0
ファイル: theora.c プロジェクト: Amini-Philips/mediastreamer2
static void enc_postprocess(MSFilter *f){
	EncState *s=(EncState*)f->data;
	theora_clear(&s->tstate);
	
	//If preprocess is called after postprocess,
	//then we loose all info...
	//theora_info_clear(&s->tinfo);
	
	if (s->packed_conf) {
		freemsg(s->packed_conf);
		s->packed_conf=NULL;
	}
}
コード例 #12
0
ファイル: oggeyman.cpp プロジェクト: ivanamihalek/oggeyman
bool Oggeyman::shutdown() {
	// shutdown in the reverse order of intialization
	theora_clear(&theo_state);
	ogg_stream_clear(&ogg_theora_stream_state);
	theora_comment_clear(&theo_comment);
	theora_info_clear(&theo_info);
	ogg_sync_clear(&overall_sync_state);

	if (infptr)
		fclose(infptr);

	return true;
}
コード例 #13
0
ファイル: ogg.c プロジェクト: smarinel/ags-web
static void altheora_close(APEG_LAYER *layer)
{
	ALOGG_INFO *info = layer->ogg_info;

	if(info && (layer->stream.flags&APEG_THEORA_VIDEO))
	{
		theora_clear(&info->tstate);
		theora_info_clear(&info->tinfo);
		theora_comment_clear(&info->tcomment);
		ogg_stream_clear(&info->ostream[0]);
		layer->stream.flags &= ~APEG_THEORA_VIDEO;
	}
}
コード例 #14
0
static GstStateChangeReturn
theora_enc_change_state (GstElement * element, GstStateChange transition)
{
  GstTheoraEnc *enc;
  GstStateChangeReturn ret;

  enc = GST_THEORA_ENC (element);

  switch (transition) {
    case GST_STATE_CHANGE_NULL_TO_READY:
      break;
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      GST_DEBUG_OBJECT (enc, "READY->PAUSED Initing theora state");
      theora_info_init (&enc->info);
      theora_comment_init (&enc->comment);
      enc->packetno = 0;
      break;
    case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
      break;
    default:
      break;
  }

  ret = parent_class->change_state (element, transition);

  switch (transition) {
    case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
      break;
    case GST_STATE_CHANGE_PAUSED_TO_READY:
      GST_DEBUG_OBJECT (enc, "PAUSED->READY Clearing theora state");
      theora_clear (&enc->state);
      theora_comment_clear (&enc->comment);
      theora_info_clear (&enc->info);

      theora_enc_clear (enc);
      enc->initialised = FALSE;
      break;
    case GST_STATE_CHANGE_READY_TO_NULL:
      break;
    default:
      break;
  }

  return ret;
}
コード例 #15
0
ファイル: ogg.cpp プロジェクト: OneSleepyDev/boswars_osd
void OggFree(OggData *data)
{
	if (data->audio) {
		ogg_stream_clear(&data->astream);
		vorbis_block_clear(&data->vblock);
		vorbis_dsp_clear(&data->vdsp);
		vorbis_comment_clear(&data->vcomment);
		vorbis_info_clear(&data->vinfo);
	}
#ifdef USE_THEORA
	if (data->video) {
		ogg_stream_clear(&data->vstream);
		theora_comment_clear(&data->tcomment);
		theora_info_clear(&data->tinfo);
		theora_clear(&data->tstate);
	}
#endif
	ogg_sync_clear(&data->sync);
}
コード例 #16
0
ファイル: noop_theora.c プロジェクト: kevinlovesing/tjphone
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;
}
コード例 #17
0
static int
noop_test_decode ()
{
  theora_info ti;
  theora_state th;

  INFO ("+ Initializing theora_info struct");
  theora_info_init (&ti);

  INFO ("+ Initializing theora_state for decoding");
  theora_decode_init (&th, &ti);

  INFO ("+ Clearing theora_state");
  theora_clear (&th);

  INFO ("+ Clearing theora_info struct");
  theora_info_clear (&ti);

  return 0;
}
コード例 #18
0
static GstStateChangeReturn
theora_dec_change_state (GstElement * element, GstStateChange transition)
{
  GstTheoraDec *dec = GST_THEORA_DEC (element);
  GstStateChangeReturn ret;

  switch (transition) {
    case GST_STATE_CHANGE_NULL_TO_READY:
      break;
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      theora_info_init (&dec->info);
      theora_comment_init (&dec->comment);
      GST_DEBUG_OBJECT (dec, "Setting have_header to FALSE in READY->PAUSED");
      dec->have_header = FALSE;
      gst_theora_dec_reset (dec);
      break;
    case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
      break;
    default:
      break;
  }

  ret = parent_class->change_state (element, transition);

  switch (transition) {
    case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
      break;
    case GST_STATE_CHANGE_PAUSED_TO_READY:
      theora_clear (&dec->state);
      theora_comment_clear (&dec->comment);
      theora_info_clear (&dec->info);
      gst_theora_dec_reset (dec);
      break;
    case GST_STATE_CHANGE_READY_TO_NULL:
      break;
    default:
      break;
  }

  return ret;
}
コード例 #19
0
ファイル: cl_ogv.c プロジェクト: dstaesse/etlegacy
void OGV_StopVideo(cinematic_t *cin)
{
	if (cin->data)
	{
		theora_clear(&g_ogm->th_state);
		theora_comment_clear(&g_ogm->th_comment);
		theora_info_clear(&g_ogm->th_info);

		vorbis_dsp_clear(&g_ogm->vd);
		vorbis_comment_clear(&g_ogm->vc);
		vorbis_info_clear(&g_ogm->vi);  /* must be called last (comment from vorbis example code) */

		ogg_stream_clear(&g_ogm->os_audio);
		ogg_stream_clear(&g_ogm->os_video);

		ogg_sync_clear(&g_ogm->oy);

		Com_Dealloc(cin->data);
		cin->data = NULL;
	}
}
コード例 #20
0
ファイル: encoder_example.c プロジェクト: kazutomi/xiphqt
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);

}
コード例 #21
0
static void
theora_enc_reset (GstTheoraEnc * enc)
{
  theora_clear (&enc->state);
  theora_encode_init (&enc->state, &enc->info);
}
コード例 #22
0
decoderTheora::~decoderTheora()
{
	
		printf("Theora destroyed\n");
		theora_clear(&_tstate);
}
コード例 #23
0
int main(int argc,char *argv[]){

  ogg_packet op;

  int long_option_index;
  int c;

  FILE *infile = stdin;
  outfile = stdout;


#ifdef _WIN32 /* We need to set stdin/stdout to binary mode on windows. */
  /* 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

  /* Process option arguments. */
  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;

      default:
        usage();
    }
  }
  if(optind<argc){
    infile=fopen(argv[optind],"rb");
    if(infile==NULL){
      fprintf(stderr,"Unable to open '%s' for extraction.\n", argv[optind]);
      exit(1);
    }
    if(++optind<argc){
      usage();
      exit(1);
    }
  }


  /*
     Ok, Ogg parsing. The idea here is we have a bitstream
     that is made up of Ogg pages. The libogg sync layer will
     find them for us. There may be pages from several logical
     streams interleaved; we find the first theora stream and
     ignore any others.

     Then we pass the pages for our stream to the libogg stream
     layer which assembles our original set of packets out of
     them. It's the packets that libtheora actually knows how
     to handle.
  */

  /* start up Ogg stream synchronization layer */
  ogg_sync_init(&oy);

  /* init supporting Theora structures needed in header parsing */
  theora_comment_init(&tc);
  theora_info_init(&ti);

  /* Ogg file open; parse the headers */

  /* Vorbis and Theora both depend on some initial header packets
     for decoder setup and initialization. We retrieve these first
     before entering the main decode loop. */

  /* Only interested in Theora streams */
  while(!stateflag){
    int ret=buffer_data(infile,&oy);
    if(ret==0)break;
    while(ogg_sync_pageout(&oy,&og)>0){
      ogg_stream_state test;

      /* is this a mandated initial header? If not, stop parsing */
      if(!ogg_page_bos(&og)){
        /* don't leak the page; get it into the appropriate stream */
        queue_page(&og);
        stateflag=1;
        break;
      }

      ogg_stream_init(&test,ogg_page_serialno(&og));
      ogg_stream_pagein(&test,&og);
      ogg_stream_packetout(&test,&op);

      /* identify the codec: try theora */
      if(!theora_p && theora_decode_header(&ti,&tc,&op)>=0){
        /* it is theora -- save this stream state */
        memcpy(&to,&test,sizeof(test));
        theora_p=1;
      }else{
        /* whatever it is, we don't care about it */
        ogg_stream_clear(&test);
      }
    }
    /* fall through to non-initial page parsing */
  }

  /* we're expecting more header packets. */
  while(theora_p && theora_p<3){
    int ret;

    /* look for further theora headers */
    while(theora_p && (theora_p<3) && (ret=ogg_stream_packetout(&to,&op))){
      if(ret<0){
        fprintf(stderr,"Error parsing Theora stream headers; corrupt stream?\n");
        exit(1);
      }
      if(theora_decode_header(&ti,&tc,&op)){
        printf("Error parsing Theora stream headers; corrupt stream?\n");
        exit(1);
      }
      theora_p++;
      if(theora_p==3)break;
    }


    /* The header pages/packets will arrive before anything else we
       care about, or the stream is not obeying spec */

    if(ogg_sync_pageout(&oy,&og)>0){
      queue_page(&og); /* demux into the stream state */
    }else{
      int ret=buffer_data(infile,&oy); /* need more data */
      if(ret==0){
        fprintf(stderr,"End of file while searching for codec headers.\n");
        exit(1);
      }
    }
  }

  /* Now we have all the required headers. initialize the decoder. */
  if(theora_p){
    theora_decode_init(&td,&ti);
    fprintf(stderr,"Ogg logical stream %x is Theora %dx%d %.02f fps video\nEncoded frame content is %dx%d with %dx%d offset\n",
            to.serialno,ti.width,ti.height, (double)ti.fps_numerator/ti.fps_denominator,
            ti.frame_width, ti.frame_height, ti.offset_x, ti.offset_y);
  }else{
    /* tear down the partial theora setup */
    theora_info_clear(&ti);
    theora_comment_clear(&tc);
  }

  /* open video */
  if(theora_p)open_video();

  /* install signal handler */
  signal (SIGINT, sigint_handler);

  /* Finally the main decode loop. 

     It's one Theora packet per frame, so this is pretty 
     straightforward if we're not trying to maintain sync
     with other multiplexed streams.

     the videobuf_ready flag is used to maintain the input
     buffer in the libogg stream state. If there's no output
     frame available at the end of the decode step, we must
     need more input data. We could simplify this by just 
     using the return code on ogg_page_packetout(), but the
     flag system extends easily to the case were you care
     about more than one multiplexed stream (like with audio
     playback). In that case, just maintain a flag for each
     decoder you care about, and pull data when any one of
     them stalls.

     videobuf_time holds the presentation time of the currently
     buffered video frame. We ignore this value.
  */

  stateflag=0; /* playback has not begun */
  /* queue any remaining pages from data we buffered but that did not
      contain headers */
  while(ogg_sync_pageout(&oy,&og)>0){
    queue_page(&og);
  }
  while(!got_sigint){

    while(theora_p && !videobuf_ready){
      /* theora is one in, one out... */
      if(ogg_stream_packetout(&to,&op)>0){

        theora_decode_packetin(&td,&op);
        videobuf_granulepos=td.granulepos;
        videobuf_time=theora_granule_time(&td,videobuf_granulepos);
        videobuf_ready=1;

      }else
        break;
    }

    if(!videobuf_ready && feof(infile))break;

    if(!videobuf_ready){
      /* no data yet for somebody.  Grab another page */
      int ret=buffer_data(infile,&oy);
      while(ogg_sync_pageout(&oy,&og)>0){
        queue_page(&og);
      }
    }
    /* dumpvideo frame, and get new one */
    else video_write();

    videobuf_ready=0;
  }

  /* end of decoder loop -- close everything */

  if(theora_p){
    ogg_stream_clear(&to);
    theora_clear(&td);
    theora_comment_clear(&tc);
    theora_info_clear(&ti);
  }
  ogg_sync_clear(&oy);

  if(infile && infile!=stdin)fclose(infile);

  fprintf(stderr,
          "\r                                                              "
          "\nDone.\n");
  return(0);

}
コード例 #24
0
ファイル: granulepos_theora.c プロジェクト: ares89/vlc
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;
}
コード例 #25
0
int main(int argc,char *argv[]){

  int i,j;
  ogg_packet op;

  FILE *infile = stdin;

#ifdef _WIN32 /* We need to set stdin/stdout to binary mode. Damn windows. */
  /* 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 );
#endif

  /* open the input file if any */
  if(argc==2){
    infile=fopen(argv[1],"rb");
    if(infile==NULL){
      fprintf(stderr,"Unable to open '%s' for playback.\n", argv[1]);
      exit(1);
    }
  }
  if(argc>2){
      usage();
      exit(1);
  }

  /* start up Ogg stream synchronization layer */
  ogg_sync_init(&oy);

  /* init supporting Vorbis structures needed in header parsing */
  vorbis_info_init(&vi);
  vorbis_comment_init(&vc);

  /* init supporting Theora structures needed in header parsing */
  theora_comment_init(&tc);
  theora_info_init(&ti);

  /* Ogg file open; parse the headers */
  /* Only interested in Vorbis/Theora streams */
  while(!stateflag){
    int ret=buffer_data(infile,&oy);
    if(ret==0)break;
    while(ogg_sync_pageout(&oy,&og)>0){
      ogg_stream_state test;

      /* is this a mandated initial header? If not, stop parsing */
      if(!ogg_page_bos(&og)){
        /* don't leak the page; get it into the appropriate stream */
        queue_page(&og);
        stateflag=1;
        break;
      }

      ogg_stream_init(&test,ogg_page_serialno(&og));
      ogg_stream_pagein(&test,&og);
      ogg_stream_packetout(&test,&op);

      /* identify the codec: try theora */
      if(!theora_p && theora_decode_header(&ti,&tc,&op)>=0){
        /* it is theora */
        memcpy(&to,&test,sizeof(test));
        theora_p=1;
      }else if(!vorbis_p && vorbis_synthesis_headerin(&vi,&vc,&op)>=0){
        /* it is vorbis */
        memcpy(&vo,&test,sizeof(test));
        vorbis_p=1;
      }else{
        /* whatever it is, we don't care about it */
        ogg_stream_clear(&test);
      }
    }
    /* fall through to non-bos page parsing */
  }

  /* we're expecting more header packets. */
  while((theora_p && theora_p<3) || (vorbis_p && vorbis_p<3)){
    int ret;

    /* look for further theora headers */
    while(theora_p && (theora_p<3) && (ret=ogg_stream_packetout(&to,&op))){
      if(ret<0){
        fprintf(stderr,"Error parsing Theora stream headers; corrupt stream?\n");
        exit(1);
      }
      if(theora_decode_header(&ti,&tc,&op)){
        printf("Error parsing Theora stream headers; corrupt stream?\n");
        exit(1);
      }
      theora_p++;
      if(theora_p==3)break;
    }

    /* look for more vorbis header packets */
    while(vorbis_p && (vorbis_p<3) && (ret=ogg_stream_packetout(&vo,&op))){
      if(ret<0){
        fprintf(stderr,"Error parsing Vorbis stream headers; corrupt stream?\n");
        exit(1);
      }
      if(vorbis_synthesis_headerin(&vi,&vc,&op)){
        fprintf(stderr,"Error parsing Vorbis stream headers; corrupt stream?\n");
        exit(1);
      }
      vorbis_p++;
      if(vorbis_p==3)break;
    }

    /* The header pages/packets will arrive before anything else we
       care about, or the stream is not obeying spec */

    if(ogg_sync_pageout(&oy,&og)>0){
      queue_page(&og); /* demux into the appropriate stream */
    }else{
      int ret=buffer_data(infile,&oy); /* someone needs more data */
      if(ret==0){
        fprintf(stderr,"End of file while searching for codec headers.\n");
        exit(1);
      }
    }
  }

  /* and now we have it all.  initialize decoders */
  if(theora_p){
    theora_decode_init(&td,&ti);
    printf("Ogg logical stream %x is Theora %dx%d %.02f fps video\n",
           (unsigned int)to.serialno,ti.width,ti.height, 
           (double)ti.fps_numerator/ti.fps_denominator);
    if(ti.width!=ti.frame_width || ti.height!=ti.frame_height)
      printf("  Frame content is %dx%d with offset (%d,%d).\n",
           ti.frame_width, ti.frame_height, ti.offset_x, ti.offset_y);
    report_colorspace(&ti);
    dump_comments(&tc);
  }else{
    /* tear down the partial theora setup */
    theora_info_clear(&ti);
    theora_comment_clear(&tc);
  }
  if(vorbis_p){
    vorbis_synthesis_init(&vd,&vi);
    vorbis_block_init(&vd,&vb);
    fprintf(stderr,"Ogg logical stream %x is Vorbis %d channel %d Hz audio.\n",
            (unsigned int)vo.serialno,vi.channels,(int)vi.rate);
  }else{
    /* tear down the partial vorbis setup */
    vorbis_info_clear(&vi);
    vorbis_comment_clear(&vc);
  }

  /* open audio */
  if(vorbis_p)open_audio();

  /* open video */
  if(theora_p)open_video();

  /* install signal handler as SDL clobbered the default */
  signal (SIGINT, sigint_handler);

  /* on to the main decode loop.  We assume in this example that audio
     and video start roughly together, and don't begin playback until
     we have a start frame for both.  This is not necessarily a valid
     assumption in Ogg A/V streams! It will always be true of the
     example_encoder (and most streams) though. */

  stateflag=0; /* playback has not begun */
  while(!got_sigint){

    /* we want a video and audio frame ready to go at all times.  If
       we have to buffer incoming, buffer the compressed data (ie, let
       ogg do the buffering) */
    while(vorbis_p && !audiobuf_ready){
      int ret;
      float **pcm;

      /* if there's pending, decoded audio, grab it */
      if((ret=vorbis_synthesis_pcmout(&vd,&pcm))>0){
        int count=audiobuf_fill/2;
        int maxsamples=(audiofd_fragsize-audiobuf_fill)/2/vi.channels;
        for(i=0;i<ret && i<maxsamples;i++)
          for(j=0;j<vi.channels;j++){
            int val=rint(pcm[j][i]*32767.f);
            if(val>32767)val=32767;
            if(val<-32768)val=-32768;
            audiobuf[count++]=val;
          }
        vorbis_synthesis_read(&vd,i);
        audiobuf_fill+=i*vi.channels*2;
        if(audiobuf_fill==audiofd_fragsize)audiobuf_ready=1;
        if(vd.granulepos>=0)
          audiobuf_granulepos=vd.granulepos-ret+i;
        else
          audiobuf_granulepos+=i;
        
      }else{
        
        /* no pending audio; is there a pending packet to decode? */
        if(ogg_stream_packetout(&vo,&op)>0){
          if(vorbis_synthesis(&vb,&op)==0) /* test for success! */
            vorbis_synthesis_blockin(&vd,&vb);
        }else   /* we need more data; break out to suck in another page */
          break;
      }
    }

    while(theora_p && !videobuf_ready){
      /* theora is one in, one out... */
      if(ogg_stream_packetout(&to,&op)>0){

        theora_decode_packetin(&td,&op);
        videobuf_granulepos=td.granulepos;
        
        videobuf_time=theora_granule_time(&td,videobuf_granulepos);

        /* is it already too old to be useful?  This is only actually
           useful cosmetically after a SIGSTOP.  Note that we have to
           decode the frame even if we don't show it (for now) due to
           keyframing.  Soon enough libtheora will be able to deal
           with non-keyframe seeks.  */

        if(videobuf_time>=get_time())
        videobuf_ready=1;
                
      }else
        break;
    }

    if(!videobuf_ready && !audiobuf_ready && feof(infile))break;

    if(!videobuf_ready || !audiobuf_ready){
      /* no data yet for somebody.  Grab another page */
      int bytes=buffer_data(infile,&oy);
      while(ogg_sync_pageout(&oy,&og)>0){
        queue_page(&og);
      }
    }

    /* If playback has begun, top audio buffer off immediately. */
    if(stateflag) audio_write_nonblocking();

    /* are we at or past time for this video frame? */
    if(stateflag && videobuf_ready && videobuf_time<=get_time()){
      video_write();
      videobuf_ready=0;
    }

    if(stateflag &&
       (audiobuf_ready || !vorbis_p) &&
       (videobuf_ready || !theora_p) &&
       !got_sigint){
      /* we have an audio frame ready (which means the audio buffer is
         full), it's not time to play video, so wait until one of the
         audio buffer is ready or it's near time to play video */
        
      /* set up select wait on the audiobuffer and a timeout for video */
      struct timeval timeout;
      fd_set writefs;
      fd_set empty;
      int n=0;

      FD_ZERO(&writefs);
      FD_ZERO(&empty);
      if(audiofd>=0){
        FD_SET(audiofd,&writefs);
        n=audiofd+1;
      }

      if(theora_p){
        long milliseconds=(videobuf_time-get_time())*1000-5;
        if(milliseconds>500)milliseconds=500;
        if(milliseconds>0){
          timeout.tv_sec=milliseconds/1000;
          timeout.tv_usec=(milliseconds%1000)*1000;

          n=select(n,&empty,&writefs,&empty,&timeout);
          if(n)audio_calibrate_timer(0);
        }
      }else{
        select(n,&empty,&writefs,&empty,NULL);
      }
    }

    /* if our buffers either don't exist or are ready to go,
       we can begin playback */
    if((!theora_p || videobuf_ready) &&
       (!vorbis_p || audiobuf_ready))stateflag=1;
    /* same if we've run out of input */
    if(feof(infile))stateflag=1;

  }

  /* tear it all down */

  audio_close();
  SDL_Quit();

  if(vorbis_p){
    ogg_stream_clear(&vo);
    vorbis_block_clear(&vb);
    vorbis_dsp_clear(&vd);
    vorbis_comment_clear(&vc);
    vorbis_info_clear(&vi);
  }
  if(theora_p){
    ogg_stream_clear(&to);
    theora_clear(&td);
    theora_comment_clear(&tc);
    theora_info_clear(&ti);
  }
  ogg_sync_clear(&oy);

  if(infile && infile!=stdin)fclose(infile);

  fprintf(stderr,
          "\r                                                              "
          "\nDone.\n");
  return(0);

}
コード例 #26
0
ファイル: TheoraPlayer.cpp プロジェクト: binji/drod-nacl
bool CTheoraPlayer::playVideo(
//Plays specified OGG Theora file to screen surface.
//If screen == NULL, then this method will test that the file is playable
//by decoding it as fast as possible but not displaying anything.
//
//Returns: whether playback was successful
	CStretchyBuffer& buffer, SDL_Surface *screen,
	const int x, const int y) //[default=(0,0)]
{
	//init
	theora_p = vorbis_p = 0;
	startticks = 0;
	bool bSkippedLastFrame = false;

	// start up Ogg stream synchronization layer
	ogg_sync_init(&oy);

	// init supporting Vorbis structures needed in header parsing
	vorbis_info_init(&vi);
	vorbis_comment_init(&vc);

	// init supporting Theora structures needed in header parsing
	theora_comment_init(&tc);
	theora_info_init(&ti);
	if (!screen)
		ti.quick_p = 1;
	ti.quality = 63;

	if (!parseHeaders(buffer))
		return false;

	// force audio off
	vorbis_p = 0;

	// initialize decoders
	if (theora_p) {
		theora_decode_init(&td,&ti);
#if 0
		printf("Ogg logical stream %x is Theora %dx%d %.02f fps video\n"
			  "  Frame content is %dx%d with offset (%d,%d).\n",
			to.serialno,ti.width,ti.height, (double)ti.fps_numerator/ti.fps_denominator,
			ti.frame_width, ti.frame_height, ti.offset_x, ti.offset_y);
		//report_colorspace(&ti); //we're not using this info for anything
		dump_comments(&tc);
#endif
	} else {
		// tear down the partial theora setup
		theora_info_clear(&ti);
		theora_comment_clear(&tc);
	}
	if(vorbis_p) {
		vorbis_synthesis_init(&vd,&vi);
		vorbis_block_init(&vd,&vb);  
		printf("Ogg logical stream %lx is Vorbis %d channel %ld Hz audio.\n",
			vo.serialno,vi.channels,vi.rate);
	} else {
		// tear down the partial vorbis setup
		vorbis_info_clear(&vi);
		vorbis_comment_clear(&vc);
	}

	// open audio
	if (vorbis_p)
		open_audio();

	// open video
	SDL_Overlay *yuv_overlay = NULL;
	if (theora_p && screen)
		yuv_overlay = open_video(screen);
  
	// single frame video buffering
	ogg_packet op;
	ogg_int64_t  videobuf_granulepos=-1;
	double       videobuf_time=0;
	double last_frame_time = 0;
	bool hasdatatobuffer = true;

	// Main loop
	bool audiobuf_ready=false;
	bool videobuf_ready=false;
	bool playbackdone = (yuv_overlay == NULL);
	bool isPlaying = false;
	bool bBreakout = false;
	while (!playbackdone)
	{
		// break out on SDL quit event
		SDL_Event event;
		if (SDL_PollEvent(&event))
		{
			switch (event.type)
			{
				case SDL_QUIT: playbackdone = bBreakout = true; break;
				case SDL_KEYDOWN:
					if (event.key.keysym.sym == SDLK_ESCAPE)
						playbackdone = bBreakout = true;
				break;
				default: break;
			}
		}

		while (theora_p && !videobuf_ready) {
			// get one video packet...
			if (ogg_stream_packetout(&to,&op)>0)
			{
				theora_decode_packetin(&td,&op);

				videobuf_granulepos=td.granulepos;
				videobuf_time=theora_granule_time(&td,videobuf_granulepos);

#if 0
				//Without sound channels to synch to, don't need to worry about skipping frames when slow.
				// update the frame counter
				//++frameNum;

				// check if this frame time has not passed yet.
				//	If the frame is late we need to decode additional
				//	ones and keep looping, since theora at this stage
				//	needs to decode all frames.
				const double now=get_time();
				const double delay=videobuf_time-now;
				if(delay>=0.0){
					/// got a good frame, not late, ready to break out
					videobuf_ready=true;
				} else if(now-last_frame_time>=1.0) {
					// display at least one frame per second, regardless
					videobuf_ready=true;
				} else {
					//Need to catch up -- no time to display frame.
					if (bSkippedLastFrame) //only allow skipping one frame in a row
						videobuf_ready = true; //show anyway
					else
						bSkippedLastFrame = true;
					//printf("dropping frame %d (%.3fs behind)\n", frameNum, -delay);
				}
#else
				videobuf_ready = true; //show every frame
#endif
			} else {
				// need more data
				break;
			}
		}

		if (!hasdatatobuffer && !videobuf_ready && !audiobuf_ready) {
			isPlaying = false;
			playbackdone = true;
		}

		//If we're set for the next frame, sleep.
		//In other words, don't show frames too rapidly. 
		if((!theora_p || videobuf_ready) && 
			(!vorbis_p || audiobuf_ready))
		{
			const int ticks = (int)(1000*(videobuf_time-get_time()));
			if(ticks>0 && screen) //don't need to sleep if only testing file
				SDL_Delay(ticks);
		}
 
		if (videobuf_ready)
		{
			// time to write our cached frame
			if (screen)
			{
				const bool bRes = video_write(screen, yuv_overlay, x, y);
				if (!bRes) //couldn't display image
					playbackdone = bBreakout = true;
			}
			videobuf_ready=false;
			last_frame_time=get_time();
			bSkippedLastFrame = false;

			// if audio has not started (first frame) then start it
			if ((!isPlaying)&&(vorbis_p)) {
				start_audio();
				isPlaying = true;
			}
		}

		// HACK: always look for more audio data
		audiobuf_ready=false;

		// buffer compressed data every loop
		if (hasdatatobuffer) {
			hasdatatobuffer = buffer_data(&oy, buffer) > 0;
			if (!hasdatatobuffer) {
				//printf("Ogg buffering stopped, end of file reached.\n");
			}
		}
    
		if (ogg_sync_pageout(&oy,&og)>0)
			queue_page(&og);

	} // playbackdone

	// show number of video frames decoded
	//printf("\nFrames decoded: %d\n", frameNum);

	// deinit
	if (vorbis_p) {
		audio_close();

		ogg_stream_clear(&vo);
		vorbis_block_clear(&vb);
		vorbis_dsp_clear(&vd);
		vorbis_comment_clear(&vc);
		vorbis_info_clear(&vi); 
	}
	if (theora_p) {
		if (yuv_overlay)
			SDL_FreeYUVOverlay(yuv_overlay);

		ogg_stream_clear(&to);
		theora_clear(&td);
		theora_comment_clear(&tc);
		theora_info_clear(&ti);
	}
	ogg_sync_clear(&oy);

	//If broken out of testing, return false since entire file was not verified.
	return !bBreakout || screen != NULL;
}
コード例 #27
0
ファイル: avi_theora.c プロジェクト: cr88192/bgbtech_engine
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);
}
コード例 #28
0
ファイル: splayer.c プロジェクト: kazutomi/xiphqt
int main( int argc, char* argv[] ){

  int i,j;
  ogg_packet op;
  SDL_Event event;
  int hasdatatobuffer = 1;
  int playbackdone = 0;
  double now, delay, last_frame_time = 0;

  int frameNum=0;
  int skipNum=0;

  /* takes first argument as file to play */
  /* this works better on Windows and is more convenient
     for drag and drop ogg files over the .exe */

  if( argc != 2 )
  {
    usage();
    exit(0);
  }

  infile  = fopen( argv[1], "rb" );

  /* start up Ogg stream synchronization layer */
  ogg_sync_init(&oy);

  /* init supporting Vorbis structures needed in header parsing */
  vorbis_info_init(&vi);
  vorbis_comment_init(&vc);

  /* init supporting Theora structures needed in header parsing */
  theora_comment_init(&tc);
  theora_info_init(&ti);

  parseHeaders();

  /* force audio off */
  /* vorbis_p = 0; */

  /* initialize decoders */
  if(theora_p){
    theora_decode_init(&td,&ti);
    printf("Ogg logical stream %x is Theora %dx%d %.02f fps video\n"
           "  Frame content is %dx%d with offset (%d,%d).\n",
	   to.serialno,ti.width,ti.height, (double)ti.fps_numerator/ti.fps_denominator,
	   ti.frame_width, ti.frame_height, ti.offset_x, ti.offset_y);
    report_colorspace(&ti);
    dump_comments(&tc);
  }else{
    /* tear down the partial theora setup */
    theora_info_clear(&ti);
    theora_comment_clear(&tc);
  }
  if(vorbis_p){
    vorbis_synthesis_init(&vd,&vi);
    vorbis_block_init(&vd,&vb);  
    printf("Ogg logical stream %x is Vorbis %d channel %d Hz audio.\n",
	   vo.serialno,vi.channels,vi.rate);
  }else{
    /* tear down the partial vorbis setup */
    vorbis_info_clear(&vi);
    vorbis_comment_clear(&vc);
  }
  /* open audio */
  if(vorbis_p)open_audio();
  /* open video */
  if(theora_p)open_video();
  
  /* our main loop */
  while(!playbackdone){

    /* break out on SDL quit event */
    if ( SDL_PollEvent ( &event ) )
    {
      if ( event.type == SDL_QUIT ) break ;
    }

    /* get some audio data */
    while(vorbis_p && !audiobuf_ready){
      int ret;
      float **pcm;
      int count = 0;
      int maxBytesToWrite;

      /* is there pending audio? does it fit our circular buffer without blocking? */
      ret=vorbis_synthesis_pcmout(&vd,&pcm);
      maxBytesToWrite = GetAudioStreamWriteable(aOutStream);

      if (maxBytesToWrite<=FRAMES_PER_BUFFER){
        /* break out until there is a significant amount of
           data to avoid a series of small write operations. */
        break;
      }
      /* if there's pending, decoded audio, grab it */
      if((ret>0)&&(maxBytesToWrite>0)){

	for(i=0;i<ret && i<(maxBytesToWrite/vi.channels);i++)
	  for(j=0;j<vi.channels;j++){
	    int val=(int)(pcm[j][i]*32767.f);
	    if(val>32767)val=32767;
	    if(val<-32768)val=-32768;
	    samples[count]=val;
	    count++;
	  }
	if(WriteAudioStream( aOutStream, samples, i )) {
	  if(count==maxBytesToWrite){
	    audiobuf_ready=1;
	  }
	}
        vorbis_synthesis_read(&vd,i);

	if(vd.granulepos>=0)
	  audiobuf_granulepos=vd.granulepos-ret+i;
	else
	  audiobuf_granulepos+=i;

      }else{
	
	/* no pending audio; is there a pending packet to decode? */
	if(ogg_stream_packetout(&vo,&op)>0){
	  if(vorbis_synthesis(&vb,&op)==0) /* test for success! */
	   vorbis_synthesis_blockin(&vd,&vb);
	}else	/* we need more data; break out to suck in another page */
	  break;
      }
    } /* end audio cycle */

    while(theora_p && !videobuf_ready){
      /* get one video packet... */
      if(ogg_stream_packetout(&to,&op)>0){
      
        theora_decode_packetin(&td,&op);

	  videobuf_granulepos=td.granulepos;
	  videobuf_time=theora_granule_time(&td,videobuf_granulepos);
	  /* update the frame counter */
	  frameNum++;

	  /* check if this frame time has not passed yet.
	     If the frame is late we need to decode additonal
	     ones and keep looping, since theora at this stage
	     needs to decode all frames */
	  now=get_time();
	  delay=videobuf_time-now;
	  if(delay>=0.0){
		/* got a good frame, not late, ready to break out */
		videobuf_ready=1;
	  }else if(now-last_frame_time>=1.0){
		/* display at least one frame per second, regardless */
		videobuf_ready=1;
	  }else{
		fprintf(stderr, "dropping frame %d (%.3fs behind)\n",
			frameNum, -delay);
	   }
      }else{
	/* need more data */
	break;
      }
    }

    if(!hasdatatobuffer && !videobuf_ready && !audiobuf_ready){
      isPlaying = 0;
      playbackdone = 1;
    }

    /* if we're set for the next frame, sleep */
    if((!theora_p || videobuf_ready) && 
       (!vorbis_p || audiobuf_ready)){
        int ticks = 1.0e3*(videobuf_time-get_time());
	if(ticks>0)
          SDL_Delay(ticks);
    }
 
    if(videobuf_ready){
      /* time to write our cached frame */
      video_write();
      videobuf_ready=0;
      last_frame_time=get_time();

      /* if audio has not started (first frame) then start it */
      if ((!isPlaying)&&(vorbis_p)){
        start_audio();
        isPlaying = 1;
      }
    }

    /* HACK: always look for more audio data */
    audiobuf_ready=0;

    /* buffer compressed data every loop */
    if(hasdatatobuffer){
      hasdatatobuffer=buffer_data(&oy);
      if(hasdatatobuffer==0){
        printf("Ogg buffering stopped, end of file reached.\n");
      }
    }
    
    if (ogg_sync_pageout(&oy,&og)>0){
      queue_page(&og);
    }

  } /* playbackdone */

  /* show number of video frames decoded */
  printf( "\n");
  printf( "Frames decoded: %d", frameNum );
  if(skipNum)
    printf( " (only %d shown)", frameNum-skipNum);
  printf( "\n" );

  /* tear it all down */
  fclose( infile );

  if(vorbis_p){
    audio_close();

    ogg_stream_clear(&vo);
    vorbis_block_clear(&vb);
    vorbis_dsp_clear(&vd);
    vorbis_comment_clear(&vc);
    vorbis_info_clear(&vi); 
  }
  if(theora_p){
    ogg_stream_clear(&to);
    theora_clear(&td);
    theora_comment_clear(&tc);
    theora_info_clear(&ti);
  }
  ogg_sync_clear(&oy);

  printf("\r                                                              "
	 "\nDone.\n");
	 
  SDL_Quit();

  return(0);

}