Esempio n. 1
0
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
  struct rtframeheader* ench = (struct rtframeheader*)vf->priv->buffer;
  uint8_t* data = vf->priv->buffer + FRAMEHEADERSIZE;
  uint8_t* zdata = vf->priv->zbuffer + FRAMEHEADERSIZE;
  int len = 0, zlen = 0,r;

  memset(vf->priv->buffer,0,FRAMEHEADERSIZE); // Reset the header
  if(vf->priv->lzo)
    memset(vf->priv->zbuffer,0,FRAMEHEADERSIZE);
    
  // This has to be don here otherwise tv with sound doesn't work
  if(!vf->priv->tbl_wrote) {    
    RTjpeg_init_compress((long int*)data,mpi->width,mpi->height,vf->priv->q);
    RTjpeg_init_mcompress();

    ench->frametype = 'D'; // compressor data
    ench->comptype  = 'R'; // compressor data for RTjpeg
    ench->packetlength = 128*sizeof(long int);
  
    le2me_rtframeheader(ench);
    mux_v->buffer=vf->priv->buffer;
    muxer_write_chunk(mux_v,FRAMEHEADERSIZE + 128*sizeof(long int), 0x10, MP_NOPTS_VALUE, MP_NOPTS_VALUE);
    vf->priv->tbl_wrote = 1;
    memset(ench,0,FRAMEHEADERSIZE); // Reset the header
  }

  // Raw picture
  if(vf->priv->raw) {
    len = mpi->width*mpi->height*3/2;
    // Try lzo ???
    if(vf->priv->lzo) {
      r = lzo1x_1_compress(mpi->planes[0],mpi->width*mpi->height*3/2,
			   zdata,&zlen,vf->priv->zmem);
      if(r != LZO_E_OK) {
	mp_msg(MSGT_VFILTER,MSGL_ERR,"LZO compress error\n");
	zlen = 0;
      }
    }

    if(zlen <= 0 || zlen > len) {
      memcpy(data,mpi->planes[0],len);
      ench->comptype = '0';
    } else { // Use lzo only if it's littler
      ench = (struct rtframeheader*)vf->priv->zbuffer;
      ench->comptype = '3';
      len = zlen;
    }

  } else { // RTjpeg compression
    len = RTjpeg_mcompressYUV420(data,mpi->planes[0],vf->priv->l,
				 vf->priv->c);
    if(len <= 0) {
      mp_msg(MSGT_VFILTER,MSGL_ERR,"RTjpeg_mcompressYUV420 error (%d)\n",len);
      return 0;
    }

    if(vf->priv->lzo) {
      r = lzo1x_1_compress(data,len,zdata,&zlen,vf->priv->zmem);
      if(r != LZO_E_OK) {
	mp_msg(MSGT_VFILTER,MSGL_ERR,"LZO compress error\n");
	zlen = 0;
      }
    }

    if(zlen <= 0 || zlen > len)
      ench->comptype = '1';
    else {
      ench = (struct rtframeheader*)vf->priv->zbuffer;
      ench->comptype = '2';
      len = zlen;
    }

  }
    
  ench->frametype = 'V'; // video frame
  ench->packetlength = len;
  le2me_rtframeheader(ench);
  mux_v->buffer=(void*)ench;
  muxer_write_chunk(mux_v, len + FRAMEHEADERSIZE, 0x10, pts, pts);
  return 1;
}
Esempio n. 2
0
NuppelWriter::NuppelWriter(int width, int height, 
			   outputCallback_t outputCallback, void *callbackExtra,
			   float frameRate, float rtjQuality, bool rtjpeg,
			   bool lzo, bool rgb, int keyframeFreq) {
  rtfileheader nuvh;
  rtframeheader frameh;
  static unsigned long int tbls[128];
  int Q;

  this->outputCallback = outputCallback;
  this->callbackExtra = callbackExtra;
  this->width = width;
  this->height = height;
  this->frameRate = frameRate;
  this->keyframeFreq = keyframeFreq;
  this->lzo = lzo;
  this->rgb = rgb;
  this->rtjpeg = rtjpeg;
  frameofgop = 0;
  frameNumber = 0;
  
  /* Initialize a nuppelvideo header */
  memset(&nuvh, 0, sizeof(nuvh));
  strcpy(nuvh.finfo,"NuppelVideo");
  strcpy(nuvh.version,"0.05");
  nuvh.width = width;
  nuvh.height = height;
  nuvh.pimode = 'P';
  nuvh.aspect = 1.0;
  nuvh.fps = frameRate;
  nuvh.videoblocks = -1;   /* unknown */
  
  bufferSize = width * height * 3;

  /* Allocate several temporary buffers */
  compressBuffer = new unsigned char [width*height+(width*height)/2];
  yuvBuffer = new unsigned char [width*height+(width*height)/2];
  memset (yuvBuffer, 0, width*height+(width*height)/2);
  rgbBuffer = 0;//new uint8 [width * height * 3];
  lzoTmp = new unsigned char [LZO1X_MEM_COMPRESS];
  InitLookupTable();

  /* Write the header */ 
  outputCallback(&nuvh, sizeof(nuvh), callbackExtra);
 
  /* According to the RTJpeg docs, 255 is the full scale for Q,
   * being equivalent to a JPEG with 70% quality.
   */
  Q = (int) (rtjQuality*255);

  /* Initialize the compression tables */
  RTjpeg_init_compress(tbls,width,height, Q);
  RTjpeg_init_mcompress();

  /* Write the compression configuration frame */
  memset(&frameh, 0, sizeof(frameh));
  frameh.frametype = 'D';
  frameh.comptype = 'R';
  frameh.packetlength = sizeof(tbls);
  outputCallback(&frameh, sizeof(frameh), callbackExtra);
  outputCallback(&tbls, sizeof(tbls), callbackExtra);
}
Esempio n. 3
0
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
  uint8_t *header  = vf->priv->buffer;
  uint8_t* data = vf->priv->buffer + FRAMEHEADERSIZE;
  uint8_t* zdata = vf->priv->zbuffer + FRAMEHEADERSIZE;
  int len = 0, r;
  size_t zlen = 0;

  memset(header, 0, FRAMEHEADERSIZE); // Reset the header
  if(vf->priv->lzo)
    memset(vf->priv->zbuffer,0,FRAMEHEADERSIZE);

  // This has to be don here otherwise tv with sound doesn't work
  if(!vf->priv->tbl_wrote) {
    RTjpeg_init_compress((uint32_t *)data,mpi->width,mpi->height,vf->priv->q);
    RTjpeg_init_mcompress();

    header[0] = 'D'; // frametype: compressor data
    header[1] = 'R'; // comptype:  compressor data for RTjpeg
    AV_WL32(header + 8, COMPDATASIZE); // packetlength

    mux_v->buffer=vf->priv->buffer;
    muxer_write_chunk(mux_v,FRAMEHEADERSIZE + COMPDATASIZE, 0x10, MP_NOPTS_VALUE, MP_NOPTS_VALUE);
    vf->priv->tbl_wrote = 1;
    memset(header, 0, FRAMEHEADERSIZE); // Reset the header
  }

  // Raw picture
  if(vf->priv->raw) {
    len = mpi->width*mpi->height*3/2;
    // Try lzo ???
    if(vf->priv->lzo) {
      r = lzo1x_1_compress(mpi->planes[0],len,
			   zdata,&zlen,vf->priv->zmem);
      if(r != LZO_E_OK) {
	mp_msg(MSGT_VFILTER,MSGL_ERR,"LZO compress error\n");
	zlen = 0;
      }
    }

    if(zlen <= 0 || zlen > len) {
      memcpy(data,mpi->planes[0],len);
      header[1] = '0'; // comptype: uncompressed
    } else { // Use lzo only if it's littler
      header = vf->priv->zbuffer;
      header[1] = '3'; //comptype: lzo
      len = zlen;
    }

  } else { // RTjpeg compression
    len = RTjpeg_mcompressYUV420(data,mpi->planes[0],vf->priv->l,
				 vf->priv->c);
    if(len <= 0) {
      mp_msg(MSGT_VFILTER,MSGL_ERR,"RTjpeg_mcompressYUV420 error (%d)\n",len);
      return 0;
    }

    if(vf->priv->lzo) {
      r = lzo1x_1_compress(data,len,zdata,&zlen,vf->priv->zmem);
      if(r != LZO_E_OK) {
	mp_msg(MSGT_VFILTER,MSGL_ERR,"LZO compress error\n");
	zlen = 0;
      }
    }

    if(zlen <= 0 || zlen > len)
      header[1] = '1'; // comptype: RTjpeg
    else {
      header = vf->priv->zbuffer;
      header[1] = '2'; // comptype: RTjpeg + LZO
      len = zlen;
    }

  }

  header[0] = 'V'; // frametype: video frame
  AV_WL32(header + 8, len); // packetlength
  mux_v->buffer = header;
  muxer_write_chunk(mux_v, len + FRAMEHEADERSIZE, 0x10, pts, pts);
  return 1;
}