Exemplo n.º 1
0
JNIEXPORT void JNICALL Native_NATIVE(celt_1mode_1destroy)
	(JNIEnv *env, jclass that, jlong arg0)
{
	Native_NATIVE_ENTER(env, that, Native_celt_1mode_1destroy_FUNC);
	celt_mode_destroy((CELTMode *)(intptr_t)arg0);
	Native_NATIVE_EXIT(env, that, Native_celt_1mode_1destroy_FUNC);
}
Exemplo n.º 2
0
static void SBCELT_DecodeSingleFrame() {
	unsigned char *src = &workpage->encbuf[0];
	float *dst = &workpage->decbuf[0];

	int idx = workpage->slot;
	struct SBCELTDecoderSlot *slot = &decpage->slots[idx];
	CELTMode *m = modes[idx];
	CELTDecoder *d = decoders[idx];

	if (slot->dispose && m != NULL && d != NULL) {
		debugf("disposed of mode & decoder for slot=%i", idx);
		celt_mode_destroy(m);
		celt_decoder_destroy(d);
		m = modes[idx] = celt_mode_create(SAMPLE_RATE, SAMPLE_RATE / 100, NULL);
		d = decoders[idx] = celt_decoder_create(m, 1, NULL);
		slot->dispose = 0;
	}

	if (m == NULL && d == NULL) {
		debugf("created mode & decoder for slot=%i", idx);
		m = modes[idx] = celt_mode_create(SAMPLE_RATE, SAMPLE_RATE / 100, NULL);
		d = decoders[idx] = celt_decoder_create(m, 1, NULL);
	}

	debugf("got work for slot=%i", idx);
	unsigned int len = workpage->len;
	debugf("to decode: %p, %p, %u, %p", d, src, len, dst);
	if (len == 0) {
		celt_decode_float(d, NULL, 0, dst);
	} else {
		celt_decode_float(d, src, len, dst);
	}

	debugf("decoded len=%u", len);
}
Exemplo n.º 3
0
static void celt_destroy_decoder(const struct PluginCodec_Definition * codec, void * context)
{
  CELTContext * celt = (CELTContext *)context;
  celt_decoder_destroy(celt->decoder_state);
  celt_mode_destroy(celt->mode);
  free(celt);
}
Exemplo n.º 4
0
int main(int argc, char **argv)
{
   int i, nb;
   FILE *file;
   CELTMode **m;
   if (argc%3 != 1)
   {
      fprintf (stderr, "must have a multiple of 4 arguments\n");
      return 1;
   }
   nb = (argc-1)/3;
   m = malloc(nb*sizeof(CELTMode*));
   for (i=0;i<nb;i++)
   {
      int Fs, ch, frame;
      Fs      = atoi(argv[3*i+1]);
      ch      = atoi(argv[3*i+2]);
      frame   = atoi(argv[3*i+3]);
      m[i] = celt_mode_create(Fs, ch, frame, NULL);
   }
   file = fopen("static_modes.c", "w");
   dump_modes(file, m, nb);
   fclose(file);
   file = fopen("static_modes.h", "w");
   dump_header(file, m, nb);
   fclose(file);
   for (i=0;i<nb;i++)
      celt_mode_destroy(m[i]);
   free(m);
   return 0;
}
Exemplo n.º 5
0
SWIGEXPORT void JNICALL Java_com_morlunk_jumble_audio_celt11_CELT11JNI_celt_1mode_1destroy(JNIEnv *jenv, jclass jcls, jlong jarg1) {
  CELTMode *arg1 = (CELTMode *) 0 ;
  
  (void)jenv;
  (void)jcls;
  arg1 = *(CELTMode **)&jarg1; 
  celt_mode_destroy(arg1);
}
Exemplo n.º 6
0
static void celt_destructor(void *arg)
{
	struct aucodec_st *st = arg;

	if (st->enc)
		celt_encoder_destroy(st->enc);
	if (st->dec)
		celt_decoder_destroy(st->dec);

	if (st->mode)
		celt_mode_destroy(st->mode);

	mem_deref(st->ac);
}
Exemplo n.º 7
0
static gboolean
gst_celt_enc_set_format (GstAudioEncoder * benc, GstAudioInfo * info)
{
  GstCeltEnc *enc;
  GstCaps *otherpadcaps;

  enc = GST_CELT_ENC (benc);

  enc->channels = GST_AUDIO_INFO_CHANNELS (info);
  enc->rate = GST_AUDIO_INFO_RATE (info);

  /* handle reconfigure */
  if (enc->state) {
    celt_encoder_destroy (enc->state);
    enc->state = NULL;
  }
  if (enc->mode) {
    celt_mode_destroy (enc->mode);
    enc->mode = NULL;
  }
  memset (&enc->header, 0, sizeof (enc->header));

  otherpadcaps = gst_pad_get_allowed_caps (GST_AUDIO_ENCODER_SRC_PAD (enc));
  if (otherpadcaps) {
    if (!gst_caps_is_empty (otherpadcaps)) {
      GstStructure *ps = gst_caps_get_structure (otherpadcaps, 0);
      gst_structure_get_int (ps, "frame-size", &enc->frame_size);
    }
    gst_caps_unref (otherpadcaps);
  }

  if (enc->requested_frame_size > 0)
    enc->frame_size = enc->requested_frame_size;

  GST_DEBUG_OBJECT (enc, "channels=%d rate=%d frame-size=%d",
      enc->channels, enc->rate, enc->frame_size);

  if (!gst_celt_enc_setup (enc))
    return FALSE;

  /* feedback to base class */
  gst_audio_encoder_set_latency (benc,
      gst_celt_enc_get_latency (enc), gst_celt_enc_get_latency (enc));
  gst_audio_encoder_set_frame_samples_min (benc, enc->frame_size);
  gst_audio_encoder_set_frame_samples_max (benc, enc->frame_size);
  gst_audio_encoder_set_frame_max (benc, 1);

  return TRUE;
}
Exemplo n.º 8
0
 CeltCodec::~CeltCodec()
 {
     if (celtMode)
     {
         if (encoder)
         {
             celt_encoder_destroy(encoder);
             encoder = 0;
         }
         if (decoder)
         {
             celt_decoder_destroy(decoder);
             decoder = 0;
         }
         celt_mode_destroy(const_cast<CELTMode*>(celtMode));
     }
     celtMode = 0;
 }
Exemplo n.º 9
0
static void * celt_create_decoder(const struct PluginCodec_Definition * codec)
{
  CELTContext * celt = malloc(sizeof(CELTContext));
  if (celt == NULL)
    return NULL;

  if (init_mode(celt, codec) == FALSE) {
    free(celt);
    return NULL;
  }

  celt->decoder_state = celt_decoder_create(celt->mode);
  if (celt->decoder_state == NULL ) {
    celt_mode_destroy(celt->mode);
    free(celt);
    return NULL;
  }

  return celt;
}
Exemplo n.º 10
0
static void
gst_celt_dec_reset (GstCeltDec * dec)
{
  gst_segment_init (&dec->segment, GST_FORMAT_UNDEFINED);
  dec->granulepos = -1;
  dec->packetno = 0;
  dec->frame_size = 0;
  dec->frame_duration = 0;
  if (dec->state) {
    celt_decoder_destroy (dec->state);
    dec->state = NULL;
  }

  if (dec->mode) {
    celt_mode_destroy (dec->mode);
    dec->mode = NULL;
  }

  memset (&dec->header, 0, sizeof (dec->header));
}
Exemplo n.º 11
0
static gboolean
gst_celt_enc_stop (GstAudioEncoder * benc)
{
  GstCeltEnc *enc = GST_CELT_ENC (benc);

  GST_DEBUG_OBJECT (enc, "stop");
  enc->header_sent = FALSE;
  if (enc->state) {
    celt_encoder_destroy (enc->state);
    enc->state = NULL;
  }
  if (enc->mode) {
    celt_mode_destroy (enc->mode);
    enc->mode = NULL;
  }
  memset (&enc->header, 0, sizeof (enc->header));

  gst_tag_setter_reset_tags (GST_TAG_SETTER (enc));

  return TRUE;
}
Exemplo n.º 12
0
void netjack_detach( netjack_driver_state_t *netj )
{
    JSList * node;

    for (node = netj->capture_ports; node; node = jack_slist_next (node))
        jack_port_unregister (netj->client,
                              ((jack_port_t *) node->data));

    jack_slist_free (netj->capture_ports);
    netj->capture_ports = NULL;

    for (node = netj->capture_srcs; node; node = jack_slist_next (node))
    {
#if HAVE_CELT
        if( netj->bitdepth == CELT_MODE )
        {
            CELTDecoder * decoder = node->data;
            celt_decoder_destroy(decoder);
        }
        else
#endif
        {
#if HAVE_SAMPLERATE
            SRC_STATE * src = node->data;
            src_delete(src);
#endif
        }
    }
    jack_slist_free (netj->capture_srcs);
    netj->playback_srcs = NULL;

    for (node = netj->playback_ports; node; node = jack_slist_next (node))
        jack_port_unregister (netj->client,
                              ((jack_port_t *) node->data));

    jack_slist_free (netj->playback_ports);
    netj->playback_ports = NULL;

    for (node = netj->playback_srcs; node; node = jack_slist_next (node))
    {
#if HAVE_CELT
        if( netj->bitdepth == CELT_MODE )
        {
            CELTEncoder * encoder = node->data;
            celt_encoder_destroy(encoder);
        }
        else
#endif
        {
#if HAVE_SAMPLERATE
            SRC_STATE * src = node->data;
            src_delete(src);
#endif
        }
    }
    jack_slist_free (netj->playback_srcs);
    netj->playback_srcs = NULL;

#if HAVE_CELT
        if( netj->bitdepth == CELT_MODE )
		celt_mode_destroy(netj->celt_mode);
#endif
}
Exemplo n.º 13
0
int main(int argc, char **argv)
{
   int nb_samples, total_samples=0, nb_encoded;
   int c;
   int option_index = 0;
   char *inFile, *outFile;
   FILE *fin, *fout;
   short input[MAX_FRAME_SIZE];
   celt_int32 frame_size = 960;
   int quiet=0;
   int nbBytes;
   CELTMode *mode;
   void *st;
   unsigned char bits[MAX_FRAME_BYTES];
   int with_cbr = 0;
   int with_cvbr = 0;
   int with_skeleton = 0;
   int total_bytes = 0;
   int peak_bytes = 0;
   struct option long_options[] =
   {
      {"bitrate", required_argument, NULL, 0},
      {"cbr",no_argument,NULL, 0},
      {"cvbr",no_argument,NULL, 0},
      {"comp", required_argument, NULL, 0},
      {"nopf", no_argument, NULL, 0},
      {"independent", no_argument, NULL, 0},
      {"framesize", required_argument, NULL, 0},
      {"skeleton",no_argument,NULL, 0},
      {"help", no_argument, NULL, 0},
      {"quiet", no_argument, NULL, 0},
      {"le", no_argument, NULL, 0},
      {"be", no_argument, NULL, 0},
      {"8bit", no_argument, NULL, 0},
      {"16bit", no_argument, NULL, 0},
      {"mono", no_argument, NULL, 0},
      {"stereo", no_argument, NULL, 0},
      {"rate", required_argument, NULL, 0},
      {"version", no_argument, NULL, 0},
      {"version-short", no_argument, NULL, 0},
      {"comment", required_argument, NULL, 0},
      {"author", required_argument, NULL, 0},
      {"title", required_argument, NULL, 0},
      {0, 0, 0, 0}
   };
   int print_bitrate=0;
   celt_int32 rate=48000;
   celt_int32 size;
   int chan=1;
   int fmt=16;
   int lsb=1;
   ogg_stream_state os;
   ogg_stream_state so; /* ogg stream for skeleton bitstream */
   ogg_page 		 og;
   ogg_packet 		 op;
   int bytes_written=0, ret, result;
   int id=-1;
   CELTHeader header;
   char vendor_string[64];
   char *comments;
   int comments_length;
   int close_in=0, close_out=0;
   int eos=0;
   float bitrate=-1;
   char first_bytes[12];
   int wave_input=0;
   celt_int32 lookahead = 0;
   int bytes_per_packet=-1;
   int complexity=-127;
   int prediction=2;


   /*Process command-line options*/
   while(1)
   {
      c = getopt_long (argc, argv, "hvV",
                       long_options, &option_index);
      if (c==-1)
         break;
      
      switch(c)
      {
      case 0:
         if (strcmp(long_options[option_index].name,"bitrate")==0)
         {
            bitrate = atof (optarg);
         } else if (strcmp(long_options[option_index].name,"cbr")==0)
         {
            with_cbr=1;
         } else if (strcmp(long_options[option_index].name,"cvbr")==0)
         {
            with_cvbr=1;
         } else if (strcmp(long_options[option_index].name,"skeleton")==0)
         {
            with_skeleton=1;
         } else if (strcmp(long_options[option_index].name,"help")==0)
         {
            usage();
            exit(0);
         } else if (strcmp(long_options[option_index].name,"quiet")==0)
         {
            quiet = 1;
         } else if (strcmp(long_options[option_index].name,"version")==0)
         {
            version();
            exit(0);
         } else if (strcmp(long_options[option_index].name,"version-short")==0)
         {
            version_short();
            exit(0);
         } else if (strcmp(long_options[option_index].name,"le")==0)
         {
            lsb=1;
         } else if (strcmp(long_options[option_index].name,"be")==0)
         {
            lsb=0;
         } else if (strcmp(long_options[option_index].name,"8bit")==0)
         {
            fmt=8;
         } else if (strcmp(long_options[option_index].name,"16bit")==0)
         {
            fmt=16;
         } else if (strcmp(long_options[option_index].name,"stereo")==0)
         {
            chan=2;
         } else if (strcmp(long_options[option_index].name,"mono")==0)
         {
            chan=1;
         } else if (strcmp(long_options[option_index].name,"rate")==0)
         {
            rate=atoi (optarg);
         } else if (strcmp(long_options[option_index].name,"comp")==0)
         {
            complexity=atoi (optarg);
         } else if (strcmp(long_options[option_index].name,"framesize")==0)
         {
            frame_size=atoi (optarg);
         } else if (strcmp(long_options[option_index].name,"nopf")==0)
         {
            if (prediction>1)
              prediction=1;
         } else if (strcmp(long_options[option_index].name,"independent")==0)
         {
              prediction=0;
         } else if (strcmp(long_options[option_index].name,"comment")==0)
         {
	   if (!strchr(optarg, '='))
	   {
	     fprintf (stderr, "Invalid comment: %s\n", optarg);
	     fprintf (stderr, "Comments must be of the form name=value\n");
	     exit(1);
	   }
           comment_add(&comments, &comments_length, NULL, optarg); 
         } else if (strcmp(long_options[option_index].name,"author")==0)
         {
           comment_add(&comments, &comments_length, "author=", optarg); 
         } else if (strcmp(long_options[option_index].name,"title")==0)
         {
           comment_add(&comments, &comments_length, "title=", optarg); 
         }

         break;
      case 'h':
         usage();
         exit(0);
         break;
      case 'v':
         version();
         exit(0);
         break;
      case 'V':
         print_bitrate=1;
         break;
      case '?':
         usage();
         exit(1);
         break;
      }
   }
   if (argc-optind!=2)
   {
      usage();
      exit(1);
   }
   inFile=argv[optind];
   outFile=argv[optind+1];

   /*Initialize Ogg stream struct*/
   srand(time(NULL));
   if (ogg_stream_init(&os, rand())==-1)
   {
      fprintf(stderr,"Error: stream init failed\n");
      exit(1);
   }
   if (with_skeleton && ogg_stream_init(&so, rand())==-1)
   {
      fprintf(stderr,"Error: stream init failed\n");
      exit(1);
   }

   if (strcmp(inFile, "-")==0)
   {
#if defined WIN32 || defined _WIN32
         _setmode(_fileno(stdin), _O_BINARY);
#elif defined OS2
         _fsetmode(stdin,"b");
#endif
      fin=stdin;
   }
   else 
   {
      fin = fopen(inFile, "rb");
      if (!fin)
      {
         perror(inFile);
         exit(1);
      }
      close_in=1;
   }

   {
      fread(first_bytes, 1, 12, fin);
      if (strncmp(first_bytes,"RIFF",4)==0 && strncmp(first_bytes,"RIFF",4)==0)
      {
         if (read_wav_header(fin, &rate, &chan, &fmt, &size)==-1)
            exit(1);
         wave_input=1;
         lsb=1; /* CHECK: exists big-endian .wav ?? */
      }
   }

   if (bitrate<=0.005)
     if (chan==1)
       bitrate=64.0;
     else
       bitrate=128.0;
     
   bytes_per_packet = MAX_FRAME_BYTES;
   
   mode = celt_mode_create(rate, frame_size, NULL);
   if (!mode)
      return 1;

   snprintf(vendor_string, sizeof(vendor_string), "Encoded with CELT %s\n",CELT_VERSION);
   comment_init(&comments, &comments_length, vendor_string);

   /*celt_mode_info(mode, CELT_GET_FRAME_SIZE, &frame_size);*/
   
   celt_header_init(&header, mode, frame_size, chan);
   header.nb_channels = chan;

   {
      char *st_string="mono";
      if (chan==2)
         st_string="stereo";
      if (!quiet)
         if (with_cbr)
           fprintf (stderr, "Encoding %.0f kHz %s audio in %.0fms packets at %0.3fkbit/sec (%d bytes per packet, CBR)\n",
               header.sample_rate/1000., st_string, frame_size/(float)header.sample_rate*1000., bitrate, bytes_per_packet);
         else      
           fprintf (stderr, "Encoding %.0f kHz %s audio in %.0fms packets at %0.3fkbit/sec (%d bytes per packet maximum)\n",
               header.sample_rate/1000., st_string, frame_size/(float)header.sample_rate*1000., bitrate, bytes_per_packet);
   }

   /*Initialize CELT encoder*/
   st = celt_encoder_create_custom(mode, chan, NULL);

   {
      int tmp = (bitrate*1000);
      if (celt_encoder_ctl(st, CELT_SET_BITRATE(tmp)) != CELT_OK)
      {
         fprintf (stderr, "bitrate request failed\n");
         return 1;
      }
   }
   if (!with_cbr)
   {
     if (celt_encoder_ctl(st, CELT_SET_VBR(1)) != CELT_OK)
     {
        fprintf (stderr, "VBR request failed\n");
        return 1;
     }
     if (!with_cvbr)
     {
        if (celt_encoder_ctl(st, CELT_SET_VBR_CONSTRAINT(0)) != CELT_OK)
        {
           fprintf (stderr, "VBR constraint failed\n");
           return 1;
        }
     }
   }

   if (celt_encoder_ctl(st, CELT_SET_PREDICTION(prediction)) != CELT_OK)
   {
      fprintf (stderr, "Prediction request failed\n");
      return 1;
   }

   if (complexity!=-127) {
     if (celt_encoder_ctl(st, CELT_SET_COMPLEXITY(complexity)) != CELT_OK)
     {
        fprintf (stderr, "Only complexity 0 through 10 is supported\n");
        return 1;
     }
   }

   if (strcmp(outFile,"-")==0)
   {
#if defined WIN32 || defined _WIN32
      _setmode(_fileno(stdout), _O_BINARY);
#endif
      fout=stdout;
   }
   else 
   {
      fout = fopen(outFile, "wb");
      if (!fout)
      {
         perror(outFile);
         exit(1);
      }
      close_out=1;
   }

   if (with_skeleton) {
      fprintf (stderr, "Warning: Enabling skeleton output may cause some decoders to fail.\n");
   }

   /* first packet should be the skeleton header. */
   if (with_skeleton) {
      add_fishead_packet(&so);
      if ((ret = flush_ogg_stream_to_file(&so, fout))) {
	 fprintf (stderr,"Error: failed skeleton (fishead) header to output stream\n");
         exit(1);
      } else
	 bytes_written += ret;
   }

   /*Write header*/
   {
      unsigned char header_data[100];
      int packet_size = celt_header_to_packet(&header, header_data, 100);
      op.packet = header_data;
      op.bytes = packet_size;
      op.b_o_s = 1;
      op.e_o_s = 0;
      op.granulepos = 0;
      op.packetno = 0;
      ogg_stream_packetin(&os, &op);

      while((result = ogg_stream_flush(&os, &og)))
      {
         if(!result) break;
         ret = oe_write_page(&og, fout);
         if(ret != og.header_len + og.body_len)
         {
            fprintf (stderr,"Error: failed writing header to output stream\n");
            exit(1);
         }
         else
            bytes_written += ret;
      }

      op.packet = (unsigned char *)comments;
      op.bytes = comments_length;
      op.b_o_s = 0;
      op.e_o_s = 0;
      op.granulepos = 0;
      op.packetno = 1;
      ogg_stream_packetin(&os, &op);
   }

   /* fisbone packet should be write after all bos pages */
   if (with_skeleton) {
      add_fisbone_packet(&so, os.serialno, &header);
      if ((ret = flush_ogg_stream_to_file(&so, fout))) {
	 fprintf (stderr,"Error: failed writing skeleton (fisbone )header to output stream\n");
         exit(1);
      } else
	 bytes_written += ret;
   }

   /* writing the rest of the celt header packets */
   while((result = ogg_stream_flush(&os, &og)))
   {
      if(!result) break;
      ret = oe_write_page(&og, fout);
      if(ret != og.header_len + og.body_len)
      {
         fprintf (stderr,"Error: failed writing header to output stream\n");
         exit(1);
      }
      else
         bytes_written += ret;
   }

   free(comments);

   /* write the skeleton eos packet */
   if (with_skeleton) {
      add_eos_packet_to_stream(&so);
      if ((ret = flush_ogg_stream_to_file(&so, fout))) {
         fprintf (stderr,"Error: failed writing skeleton header to output stream\n");
         exit(1);
      } else
	 bytes_written += ret;
   }


   if (!wave_input)
   {
      nb_samples = read_samples(fin,frame_size,fmt,chan,lsb,input, first_bytes, NULL);
   } else {
      nb_samples = read_samples(fin,frame_size,fmt,chan,lsb,input, NULL, &size);
   }
   if (nb_samples==0)
      eos=1;
   total_samples += nb_samples;
   nb_encoded = -lookahead;
   /*Main encoding loop (one frame per iteration)*/
   while (!eos || total_samples>nb_encoded)
   {
      id++;
      /*Encode current frame*/

      nbBytes = celt_encode(st, input, frame_size, bits, bytes_per_packet);
      if (nbBytes<0)
      {
         fprintf(stderr, "Got error %d while encoding. Aborting.\n", nbBytes);
         break;
      }
      nb_encoded += frame_size;
      total_bytes += nbBytes;
      peak_bytes=IMAX(nbBytes,peak_bytes);

      if (wave_input)
      {
         nb_samples = read_samples(fin,frame_size,fmt,chan,lsb,input, NULL, &size);
      } else {
         nb_samples = read_samples(fin,frame_size,fmt,chan,lsb,input, NULL, NULL);
      }
      if (nb_samples==0)
      {
         eos=1;
      }
      if (eos && total_samples<=nb_encoded)
         op.e_o_s = 1;
      else
         op.e_o_s = 0;
      total_samples += nb_samples;

      op.packet = (unsigned char *)bits;
      op.bytes = nbBytes;
      op.b_o_s = 0;
      /*Is this redundent?*/
      if (eos && total_samples<=nb_encoded)
         op.e_o_s = 1;
      else
         op.e_o_s = 0;
      op.granulepos = (id+1)*frame_size-lookahead;
      if (op.granulepos>total_samples)
         op.granulepos = total_samples;
      /*printf ("granulepos: %d %d %d %d %d %d\n", (int)op.granulepos, id, nframes, lookahead, 5, 6);*/
      op.packetno = 2+id;
      ogg_stream_packetin(&os, &op);

      /*Write all new pages (most likely 0 or 1)*/
      while (ogg_stream_pageout(&os,&og))
      {
         ret = oe_write_page(&og, fout);
         if(ret != og.header_len + og.body_len)
         {
            fprintf (stderr,"Error: failed writing header to output stream\n");
            exit(1);
         }
         else
            bytes_written += ret;
      }
   }
   /*Flush all pages left to be written*/
   while (ogg_stream_flush(&os, &og))
   {
      ret = oe_write_page(&og, fout);
      if(ret != og.header_len + og.body_len)
      {
         fprintf (stderr,"Error: failed writing header to output stream\n");
         exit(1);
      }
      else
         bytes_written += ret;
   }

   if (!with_cbr && !quiet)
     fprintf (stderr, "Average rate %0.3fkbit/sec, %d peak bytes per packet\n", (total_bytes*8.0/((float)nb_encoded/header.sample_rate))/1000.0, peak_bytes);

   celt_encoder_destroy(st);
   celt_mode_destroy(mode);
   ogg_stream_clear(&os);

   if (close_in)
      fclose(fin);
   if (close_out)
      fclose(fout);
   return 0;
}
Exemplo n.º 14
0
int main(int argc, char **argv)
{
   int c;
   int option_index = 0;
   char *inFile, *outFile;
   FILE *fin, *fout=NULL;
   short out[MAX_FRAME_SIZE];
   short output[MAX_FRAME_SIZE];
   int frame_size=0, granule_frame_size=0;
   void *st=NULL;
   CELTMode *mode=NULL;
   int packet_count=0;
   int stream_init = 0;
   int quiet = 0;
   ogg_int64_t page_granule=0, last_granule=0;
   int skip_samples=0, page_nb_packets;
   struct option long_options[] =
   {
      {"help", no_argument, NULL, 0},
      {"quiet", no_argument, NULL, 0},
      {"version", no_argument, NULL, 0},
      {"version-short", no_argument, NULL, 0},
      {"rate", required_argument, NULL, 0},
      {"mono", no_argument, NULL, 0},
      {"stereo", no_argument, NULL, 0},
      {"packet-loss", required_argument, NULL, 0},
      {0, 0, 0, 0}
   };
   ogg_sync_state oy;
   ogg_page       og;
   ogg_packet     op;
   ogg_stream_state os;
   int enh_enabled;
   int nframes=2;
   int print_bitrate=0;
   int close_in=0;
   int eos=0;
   int forceMode=-1;
   int audio_size=0;
   float loss_percent=-1;
   int channels=-1;
   int rate=0;
   int extra_headers=0;
   int wav_format=0;
   int lookahead=0;
   int celt_serialno = -1;
   int firstpacket = 1;

   enh_enabled = 1;

   /*Process options*/
   while(1)
   {
      c = getopt_long (argc, argv, "hvV",
                       long_options, &option_index);
      if (c==-1)
         break;
      
      switch(c)
      {
      case 0:
         if (strcmp(long_options[option_index].name,"help")==0)
         {
            usage();
            exit(0);
         } else if (strcmp(long_options[option_index].name,"quiet")==0)
         {
            quiet = 1;
         } else if (strcmp(long_options[option_index].name,"version")==0)
         {
            version();
            exit(0);
         } else if (strcmp(long_options[option_index].name,"version-short")==0)
         {
            version_short();
            exit(0);
         } else if (strcmp(long_options[option_index].name,"mono")==0)
         {
            channels=1;
         } else if (strcmp(long_options[option_index].name,"stereo")==0)
         {
            channels=2;
         } else if (strcmp(long_options[option_index].name,"rate")==0)
         {
            rate=atoi (optarg);
         } else if (strcmp(long_options[option_index].name,"packet-loss")==0)
         {
            loss_percent = atof(optarg);
         }
         break;
      case 'h':
         usage();
         exit(0);
         break;
      case 'v':
         version();
         exit(0);
         break;
      case 'V':
         print_bitrate=1;
         break;
      case '?':
         usage();
         exit(1);
         break;
      }
   }
   if (argc-optind!=2 && argc-optind!=1)
   {
      usage();
      exit(1);
   }
   inFile=argv[optind];

   if (argc-optind==2)
      outFile=argv[optind+1];
   else
      outFile = "";
   wav_format = strlen(outFile)>=4 && (
                                       strcmp(outFile+strlen(outFile)-4,".wav")==0
                                       || strcmp(outFile+strlen(outFile)-4,".WAV")==0);
   /*Open input file*/
   if (strcmp(inFile, "-")==0)
   {
#if defined WIN32 || defined _WIN32
      _setmode(_fileno(stdin), _O_BINARY);
#endif
      fin=stdin;
   }
   else 
   {
      fin = fopen(inFile, "rb");
      if (!fin)
      {
         perror(inFile);
         exit(1);
      }
      close_in=1;
   }


   /*Init Ogg data struct*/
   ogg_sync_init(&oy);
   
   /*Main decoding loop*/
   
   while (1)
   {
      char *data;
      int i, nb_read;
      /*Get the ogg buffer for writing*/
      data = ogg_sync_buffer(&oy, 200);
      /*Read bitstream from input file*/
      nb_read = fread(data, sizeof(char), 200, fin);      
      ogg_sync_wrote(&oy, nb_read);

      /*Loop for all complete pages we got (most likely only one)*/
      while (ogg_sync_pageout(&oy, &og)==1)
      {
         if (stream_init == 0) {
            ogg_stream_init(&os, ogg_page_serialno(&og));
            stream_init = 1;
         }
	 if (ogg_page_serialno(&og) != os.serialno) {
	    /* so all streams are read. */
	    ogg_stream_reset_serialno(&os, ogg_page_serialno(&og));
	 }
         /*Add page to the bitstream*/
         ogg_stream_pagein(&os, &og);
         page_granule = ogg_page_granulepos(&og);
         page_nb_packets = ogg_page_packets(&og);
         if (page_granule>0 && frame_size)
         {
            /* FIXME: shift the granule values if --force-* is specified */
            skip_samples = frame_size*(page_nb_packets*granule_frame_size*nframes - (page_granule-last_granule))/granule_frame_size;
            if (ogg_page_eos(&og))
               skip_samples = -skip_samples;
            /*else if (!ogg_page_bos(&og))
               skip_samples = 0;*/
         } else
         {
            skip_samples = 0;
         }
         /*printf ("page granulepos: %d %d %d\n", skip_samples, page_nb_packets, (int)page_granule);*/
         last_granule = page_granule;
         /*Extract all available packets*/
         while (!eos && ogg_stream_packetout(&os, &op) == 1 && op.bytes>=8)
         {
	    if (!memcmp(op.packet, "CELT    ", 8)) {
	       celt_serialno = os.serialno;
	    }
	    if (celt_serialno == -1 || os.serialno != celt_serialno)
	       break;
            /*If first packet, process as CELT header*/
            if (packet_count==0)
            {
               st = process_header(&op, enh_enabled, &frame_size, &granule_frame_size, &rate, &nframes, forceMode, &channels, &lookahead, &extra_headers, quiet, &mode);
               if (!st)
                  exit(1);
               if (!nframes)
                  nframes=1;
               fout = out_file_open(outFile, rate, &channels);

            } else if (packet_count==1)
            {
               if (!quiet)
                  print_comments((char*)op.packet, op.bytes);
            } else if (packet_count<=1+extra_headers)
            {
               /* Ignore extra headers */
            } else {
               int lost=0;
               if (loss_percent>0 && 100*((float)rand())/RAND_MAX<loss_percent)
                  lost=1;

               /*End of stream condition*/
               if (op.e_o_s && os.serialno == celt_serialno) /* don't care for anything except celt eos */
                  eos=1;
	       
               {
                  int ret;
                  /*Decode frame*/
                  if (!lost)
                     ret = celt_decode(st, (unsigned char*)op.packet, op.bytes, output);
                  else
                     ret = celt_decode(st, NULL, 0, output);

                  /*for (i=0;i<frame_size*channels;i++)
                    printf ("%d\n", (int)output[i]);*/

                  if (ret!=0)
                  {
                     fprintf (stderr, "Decoding error: corrupted stream?\n");
                     break;
                  }

                  if (print_bitrate) {
                     celt_int32 tmp=op.bytes;
                     char ch=13;
                     fputc (ch, stderr);
                     fprintf (stderr, "Bitrate in use: %d bytes/packet     ", tmp);
                  }
                  /*Convert to short and save to output file*/
                  if (strlen(outFile)!=0)
                  {
                     for (i=0;i<frame_size*channels;i++)
                        out[i]=le_short(output[i]);
                  } else {
                     for (i=0;i<frame_size*channels;i++)
                        out[i]=output[i];
                  }
                  {
                     int frame_offset = 0;
                     int new_frame_size = frame_size;
                     /*printf ("packet %d %d\n", packet_no, skip_samples);*/
                     /*fprintf (stderr, "packet %d %d %d\n", packet_no, skip_samples, lookahead);*/
                     if (firstpacket == 1)
                     {
                        /*printf ("chopping first packet\n");*/
                        new_frame_size -= lookahead;
                        frame_offset = lookahead;
                        firstpacket = 0;
                     }
                     if (new_frame_size>0)
                     {  
#if defined WIN32 || defined _WIN32
                        if (strlen(outFile)==0)
                           WIN_Play_Samples (out+frame_offset*channels, sizeof(short) * new_frame_size*channels);
                        else
#endif
                           fwrite(out+frame_offset*channels, sizeof(short), new_frame_size*channels, fout);
                  
                        audio_size+=sizeof(short)*new_frame_size*channels;
                     }
                  }
               }
            }
            packet_count++;
         }
      }
      if (feof(fin))
         break;

   }

   if (fout && wav_format)
   {
      if (fseek(fout,4,SEEK_SET)==0)
      {
         int tmp;
         tmp = le_int(audio_size+36);
         fwrite(&tmp,4,1,fout);
         if (fseek(fout,32,SEEK_CUR)==0)
         {
            tmp = le_int(audio_size);
            fwrite(&tmp,4,1,fout);
         } else
         {
            fprintf (stderr, "First seek worked, second didn't\n");
         }
      } else {
         fprintf (stderr, "Cannot seek on wave file, size will be incorrect\n");
      }
   }

   if (st)
   {
      celt_decoder_destroy(st);
      celt_mode_destroy(mode);
   } else {
      fprintf (stderr, "This doesn't look like a CELT file\n");
   }
   if (stream_init)
      ogg_stream_clear(&os);
   ogg_sync_clear(&oy);

#if defined WIN32 || defined _WIN32
   if (strlen(outFile)==0)
      WIN_Audio_close ();
#endif

   if (close_in)
      fclose(fin);
   if (fout != NULL)
      fclose(fout);   

   return 0;
}
Exemplo n.º 15
0
int main(int argc, char *argv[])
{
   int err;
   char *inFile, *outFile;
   FILE *fin, *fout;
   CELTMode *mode=NULL;
   CELTEncoder *enc;
   CELTDecoder *dec;
   int len;
   celt_int32 frame_size, channels;
   int bytes_per_packet;
   unsigned char data[MAX_PACKET];
   int rate;
   int complexity;
#if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
   int i;
   double rmsd = 0;
#endif
   int count = 0;
   celt_int32 skip;
   celt_int16 *in, *out;
   if (argc != 9 && argc != 8 && argc != 7)
   {
      fprintf (stderr, "Usage: testcelt <rate> <channels> <frame size> "
               " <bytes per packet> [<complexity> [packet loss rate]] "
               "<input> <output>\n");
      return 1;
   }
   
   rate = atoi(argv[1]);
   channels = atoi(argv[2]);
   frame_size = atoi(argv[3]);
   mode = celt_mode_create(rate, frame_size, NULL);
   if (mode == NULL)
   {
      fprintf(stderr, "failed to create a mode\n");
      return 1;
   }

   bytes_per_packet = atoi(argv[4]);
   if (bytes_per_packet < 0 || bytes_per_packet > MAX_PACKET)
   {
      fprintf (stderr, "bytes per packet must be between 0 and %d\n",
                        MAX_PACKET);
      return 1;
   }

   inFile = argv[argc-2];
   fin = fopen(inFile, "rb");
   if (!fin)
   {
      fprintf (stderr, "Could not open input file %s\n", argv[argc-2]);
      return 1;
   }
   outFile = argv[argc-1];
   fout = fopen(outFile, "wb+");
   if (!fout)
   {
      fprintf (stderr, "Could not open output file %s\n", argv[argc-1]);
      return 1;
   }
   
   enc = celt_encoder_create_custom(mode, channels, &err);
   if (err != 0)
   {
      fprintf(stderr, "Failed to create the encoder: %s\n", celt_strerror(err));
      return 1;
   }
   dec = celt_decoder_create_custom(mode, channels, &err);
   if (err != 0)
   {
      fprintf(stderr, "Failed to create the decoder: %s\n", celt_strerror(err));
      return 1;
   }
   celt_decoder_ctl(dec, CELT_GET_LOOKAHEAD(&skip));

   if (argc>7)
   {
      complexity=atoi(argv[5]);
      celt_encoder_ctl(enc,CELT_SET_COMPLEXITY(complexity));
   }
   
   in = (celt_int16*)malloc(frame_size*channels*sizeof(celt_int16));
   out = (celt_int16*)malloc(frame_size*channels*sizeof(celt_int16));

   while (!feof(fin))
   {
      int ret;
      err = fread(in, sizeof(short), frame_size*channels, fin);
      if (feof(fin))
         break;
      len = celt_encode(enc, in, frame_size, data, bytes_per_packet);
      if (len <= 0)
         fprintf (stderr, "celt_encode() failed: %s\n", celt_strerror(len));

      /* This is for simulating bit errors */
#if 0
      int errors = 0;
      int eid = 0;
      /* This simulates random bit error */
      for (i=0;i<len*8;i++)
      {
         if (rand()%atoi(argv[8])==0)
         {
            if (i<64)
            {
               errors++;
               eid = i;
            }
            data[i/8] ^= 1<<(7-(i%8));
         }
      }
      if (errors == 1)
         data[eid/8] ^= 1<<(7-(eid%8));
      else if (errors%2 == 1)
         data[rand()%8] ^= 1<<rand()%8;
#endif

#if 1 /* Set to zero to use the encoder's output instead */
      /* This is to simulate packet loss */
      if (argc==9 && rand()%1000<atoi(argv[argc-3]))
      /*if (errors && (errors%2==0))*/
         ret = celt_decode(dec, NULL, len, out, frame_size);
      else
         ret = celt_decode(dec, data, len, out, frame_size);
      if (ret < 0)
         fprintf(stderr, "celt_decode() failed: %s\n", celt_strerror(ret));
#else
      for (i=0;i<ret*channels;i++)
         out[i] = in[i];
#endif
#if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
      for (i=0;i<ret*channels;i++)
      {
         rmsd += (in[i]-out[i])*1.0*(in[i]-out[i]);
         /*out[i] -= in[i];*/
      }
#endif
      count++;
      fwrite(out+skip*channels, sizeof(short), (ret-skip)*channels, fout);
      skip = 0;
   }
   PRINT_MIPS(stderr);
   
   celt_encoder_destroy(enc);
   celt_decoder_destroy(dec);
   fclose(fin);
   fclose(fout);
   celt_mode_destroy(mode);
   free(in);
   free(out);
#if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
   if (rmsd > 0)
   {
      rmsd = sqrt(rmsd/(1.0*frame_size*channels*count));
      fprintf (stderr, "Error: encoder doesn't match decoder\n");
      fprintf (stderr, "RMS mismatch is %f\n", rmsd);
      return 1;
   } else {
      fprintf (stderr, "Encoder matches decoder!!\n");
   }
#endif
   return 0;
}