コード例 #1
0
bool ossimOpjCompressor::writeTile(
   ossimImageData* srcTile, ossim_uint32 tileIndex )
{
   bool result = false;

   if ( srcTile )
   {
      if (srcTile->getDataObjectStatus() != OSSIM_NULL)
      {
         ossimIrect tileRect = srcTile->getImageRectangle();

         // Write the tile out:
         if ( opj_write_tile( m_codec,
                              tileIndex,
                              srcTile->getUcharBuf(),
                              srcTile->getDataSizeInBytes(),
                              m_stream ) ) 
         {
            result = true;
         }
         else
         {
            ossimNotify(ossimNotifyLevel_WARN)
               << "ossimOpjCompressor::writeTile ERROR on tile index: "
               << tileIndex << std::endl;
         }
      }
      else
      {
         ossimNotify(ossimNotifyLevel_WARN)
            << "ossimOpjCompressor::writeTile ERROR null tile passed in!" << endl;
      }
   }
   
   return result;
   
} // End: ossimOpjCompressor::writeTile
コード例 #2
0
ファイル: test_tile_encoder.c プロジェクト: bhavik86/openjpeg
int main (int argc, char *argv[])
{
	opj_cparameters_t l_param;
	opj_codec_t * l_codec;
	opj_image_t * l_image;
	opj_image_cmptparm_t l_params [NUM_COMPS_MAX];
	opj_stream_t * l_stream;
	OPJ_UINT32 l_nb_tiles;
	OPJ_UINT32 l_data_size;
	unsigned char len;

#ifdef USING_MCT
	const OPJ_FLOAT32 l_mct [] =
	{
		1 , 0 , 0 ,
		0 , 1 , 0 ,
		0 , 0 , 1
	};

	const OPJ_INT32 l_offsets [] =
	{
		128 , 128 , 128
	};
#endif

	opj_image_cmptparm_t * l_current_param_ptr;
	OPJ_UINT32 i;
	OPJ_BYTE *l_data;

  OPJ_UINT32 num_comps;
  int image_width;
  int image_height;
  int tile_width;
  int tile_height;
  int comp_prec;
  int irreversible;
  char output_file[64];

  /* should be test_tile_encoder 3 2000 2000 1000 1000 8 tte1.j2k */
  if( argc == 9 )
    {
    num_comps = (OPJ_UINT32)atoi( argv[1] );
    image_width = atoi( argv[2] );
    image_height = atoi( argv[3] );
    tile_width = atoi( argv[4] );
    tile_height = atoi( argv[5] );
    comp_prec = atoi( argv[6] );
    irreversible = atoi( argv[7] );
    strcpy(output_file, argv[8] );
    }
  else
    {
    num_comps = 3;
    image_width = 2000;
    image_height = 2000;
    tile_width = 1000;
    tile_height = 1000;
    comp_prec = 8;
    irreversible = 1;
    strcpy(output_file, "test.j2k" );
    }
  if( num_comps > NUM_COMPS_MAX )
    {
    return 1;
    }
	l_nb_tiles = (OPJ_UINT32)(image_width/tile_width) * (OPJ_UINT32)(image_height/tile_height);
	l_data_size = (OPJ_UINT32)tile_width * (OPJ_UINT32)tile_height * (OPJ_UINT32)num_comps * (OPJ_UINT32)(comp_prec/8);

	l_data = (OPJ_BYTE*) malloc(l_data_size * sizeof(OPJ_BYTE));

	fprintf(stdout, "Encoding random values -> keep in mind that this is very hard to compress\n");
	for (i=0;i<l_data_size;++i)	{
		l_data[i] = (OPJ_BYTE)i; /*rand();*/
	}

	opj_set_default_encoder_parameters(&l_param);
	/** you may here add custom encoding parameters */
	/* rate specifications */
	/** number of quality layers in the stream */
	l_param.tcp_numlayers = 1;
	l_param.cp_fixed_quality = 1;
	l_param.tcp_distoratio[0] = 20;
	/* is using others way of calculation */
	/* l_param.cp_disto_alloc = 1 or l_param.cp_fixed_alloc = 1 */
	/* l_param.tcp_rates[0] = ... */


	/* tile definitions parameters */
	/* position of the tile grid aligned with the image */
	l_param.cp_tx0 = 0;
	l_param.cp_ty0 = 0;
	/* tile size, we are using tile based encoding */
	l_param.tile_size_on = OPJ_TRUE;
	l_param.cp_tdx = tile_width;
	l_param.cp_tdy = tile_height;

	/* use irreversible encoding ?*/
	l_param.irreversible = irreversible;

	/* do not bother with mct, the rsiz is set when calling opj_set_MCT*/
	/*l_param.cp_rsiz = OPJ_STD_RSIZ;*/

	/* no cinema */
	/*l_param.cp_cinema = 0;*/

	/* no not bother using SOP or EPH markers, do not use custom size precinct */
	/* number of precincts to specify */
	/* l_param.csty = 0;*/
	/* l_param.res_spec = ... */
	/* l_param.prch_init[i] = .. */
	/* l_param.prcw_init[i] = .. */


	/* do not use progression order changes */
	/*l_param.numpocs = 0;*/
	/* l_param.POC[i].... */

	/* do not restrain the size for a component.*/
	/* l_param.max_comp_size = 0; */

	/** block encoding style for each component, do not use at the moment */
	/** J2K_CCP_CBLKSTY_TERMALL, J2K_CCP_CBLKSTY_LAZY, J2K_CCP_CBLKSTY_VSC, J2K_CCP_CBLKSTY_SEGSYM, J2K_CCP_CBLKSTY_RESET */
	/* l_param.mode = 0;*/

	/** number of resolutions */
	l_param.numresolution = 6;

	/** progression order to use*/
	/** OPJ_LRCP, OPJ_RLCP, OPJ_RPCL, PCRL, CPRL */
	l_param.prog_order = OPJ_LRCP;

	/** no "region" of interest, more precisally component */
	/* l_param.roi_compno = -1; */
	/* l_param.roi_shift = 0; */

	/* we are not using multiple tile parts for a tile. */
	/* l_param.tp_on = 0; */
	/* l_param.tp_flag = 0; */

	/* if we are using mct */
#ifdef USING_MCT
	opj_set_MCT(&l_param,l_mct,l_offsets,NUM_COMPS);
#endif


	/* image definition */
	l_current_param_ptr = l_params;
	for (i=0;i<num_comps;++i) {
		/* do not bother bpp useless */
		/*l_current_param_ptr->bpp = COMP_PREC;*/
		l_current_param_ptr->dx = 1;
		l_current_param_ptr->dy = 1;

		l_current_param_ptr->h = (OPJ_UINT32)image_height;
		l_current_param_ptr->w = (OPJ_UINT32)image_width;

		l_current_param_ptr->sgnd = 0;
		l_current_param_ptr->prec = (OPJ_UINT32)comp_prec;

		l_current_param_ptr->x0 = 0;
		l_current_param_ptr->y0 = 0;

		++l_current_param_ptr;
	}

  /* should we do j2k or jp2 ?*/
  len = (unsigned char)strlen( output_file );
  if( strcmp( output_file + len - 4, ".jp2" ) == 0 )
    {
    l_codec = opj_create_compress(OPJ_CODEC_JP2);
    }
  else
    {
    l_codec = opj_create_compress(OPJ_CODEC_J2K);
    }
	if (!l_codec) {
		return 1;
	}

	/* catch events using our callbacks and give a local context */
	opj_set_info_handler(l_codec, info_callback,00);
	opj_set_warning_handler(l_codec, warning_callback,00);
	opj_set_error_handler(l_codec, error_callback,00);

	l_image = opj_image_tile_create(num_comps,l_params,OPJ_CLRSPC_SRGB);
	if (! l_image) {
		opj_destroy_codec(l_codec);
		return 1;
	}

	l_image->x0 = 0;
	l_image->y0 = 0;
	l_image->x1 = (OPJ_UINT32)image_width;
	l_image->y1 = (OPJ_UINT32)image_height;
	l_image->color_space = OPJ_CLRSPC_SRGB;

	if (! opj_setup_encoder(l_codec,&l_param,l_image)) {
		fprintf(stderr, "ERROR -> test_tile_encoder: failed to setup the codec!\n");
		opj_destroy_codec(l_codec);
		opj_image_destroy(l_image);
		return 1;
	}

	l_stream = opj_stream_create_default_file_stream_v3(output_file, OPJ_FALSE);
    if (! l_stream) {
		fprintf(stderr, "ERROR -> test_tile_encoder: failed to create the stream from the output file %s !\n",output_file );
		opj_destroy_codec(l_codec);
		opj_image_destroy(l_image);
		return 1;
	}

	if (! opj_start_compress(l_codec,l_image,l_stream)) {
		fprintf(stderr, "ERROR -> test_tile_encoder: failed to start compress!\n");
		opj_stream_destroy_v3(l_stream);
		opj_destroy_codec(l_codec);
		opj_image_destroy(l_image);
		return 1;
	}

	for (i=0;i<l_nb_tiles;++i) {
		if (! opj_write_tile(l_codec,i,l_data,l_data_size,l_stream)) {
			fprintf(stderr, "ERROR -> test_tile_encoder: failed to write the tile %d!\n",i);
			opj_stream_destroy_v3(l_stream);
			opj_destroy_codec(l_codec);
			opj_image_destroy(l_image);
			return 1;
		}
	}

	if (! opj_end_compress(l_codec,l_stream)) {
		fprintf(stderr, "ERROR -> test_tile_encoder: failed to end compress!\n");
		opj_stream_destroy_v3(l_stream);
		opj_destroy_codec(l_codec);
		opj_image_destroy(l_image);
		return 1;
	}

	opj_stream_destroy_v3(l_stream);
	opj_destroy_codec(l_codec);
	opj_image_destroy(l_image);

	free(l_data);

	/* Print profiling*/
	/*PROFPRINT();*/

	return 0;
}
コード例 #3
0
ファイル: Jpeg2KEncode.c プロジェクト: jamesra/Pillow
static int
j2k_encode_entry(Imaging im, ImagingCodecState state,
                 ImagingIncrementalCodec encoder)
{
    JPEG2KENCODESTATE *context = (JPEG2KENCODESTATE *)state->context;
    opj_stream_t *stream = NULL;
    opj_image_t *image = NULL;
    opj_codec_t *codec = NULL;
    opj_cparameters_t params;
    unsigned components;
    OPJ_COLOR_SPACE color_space;
    opj_image_cmptparm_t image_params[4];
    unsigned xsiz, ysiz;
    unsigned tile_width, tile_height;
    unsigned tiles_x, tiles_y, num_tiles;
    unsigned x, y, tile_ndx;
    unsigned n;
    j2k_pack_tile_t pack;
    int ret = -1;

    stream = opj_stream_default_create(OPJ_FALSE);

    if (!stream) {
        state->errcode = IMAGING_CODEC_BROKEN;
        state->state = J2K_STATE_FAILED;
        goto quick_exit;
    }

    opj_stream_set_write_function(stream, j2k_write);
    opj_stream_set_skip_function(stream, j2k_skip);
    opj_stream_set_seek_function(stream, j2k_seek);

    opj_stream_set_user_data(stream, encoder);

    /* Setup an opj_image */
    if (strcmp (im->mode, "L") == 0) {
        components = 1;
        color_space = OPJ_CLRSPC_GRAY;
        pack = j2k_pack_l;
    } else if (strcmp (im->mode, "LA") == 0) {
        components = 2;
        color_space = OPJ_CLRSPC_GRAY;
        pack = j2k_pack_la;
    } else if (strcmp (im->mode, "RGB") == 0) {
        components = 3;
        color_space = OPJ_CLRSPC_SRGB;
        pack = j2k_pack_rgb;
    } else if (strcmp (im->mode, "YCbCr") == 0) {
        components = 3;
        color_space = OPJ_CLRSPC_SYCC;
        pack = j2k_pack_rgb;
    } else if (strcmp (im->mode, "RGBA") == 0) {
        components = 4;
        color_space = OPJ_CLRSPC_SRGB;
        pack = j2k_pack_rgba;
    } else {
        state->errcode = IMAGING_CODEC_BROKEN;
        state->state = J2K_STATE_FAILED;
        goto quick_exit;
    }

    for (n = 0; n < components; ++n) {
        image_params[n].dx = image_params[n].dy = 1;
        image_params[n].w = im->xsize;
        image_params[n].h = im->ysize;
        image_params[n].x0 = image_params[n].y0 = 0;
        image_params[n].prec = 8;
        image_params[n].bpp = 8;
        image_params[n].sgnd = 0;
    }

    image = opj_image_create(components, image_params, color_space);

    /* Setup compression context */
    context->error_msg = NULL;

    opj_set_default_encoder_parameters(&params);

    params.image_offset_x0 = context->offset_x;
    params.image_offset_y0 = context->offset_y;

    if (context->tile_size_x && context->tile_size_y) {
        params.tile_size_on = OPJ_TRUE;
        params.cp_tx0 = context->tile_offset_x;
        params.cp_ty0 = context->tile_offset_y;
        params.cp_tdx = context->tile_size_x;
        params.cp_tdy = context->tile_size_y;

        tile_width = params.cp_tdx;
        tile_height = params.cp_tdy;
    } else {
        params.cp_tx0 = 0;
        params.cp_ty0 = 0;
        params.cp_tdx = 1;
        params.cp_tdy = 1;

        tile_width = im->xsize;
        tile_height = im->ysize;
    }

    if (context->quality_layers && PySequence_Check(context->quality_layers)) {
        Py_ssize_t len = PySequence_Length(context->quality_layers);
        Py_ssize_t n;
        float *pq;

        if (len) {
            if (len > sizeof(params.tcp_rates) / sizeof(params.tcp_rates[0]))
                len = sizeof(params.tcp_rates)/sizeof(params.tcp_rates[0]);

            params.tcp_numlayers = (int)len;

            if (context->quality_is_in_db) {
                params.cp_disto_alloc = params.cp_fixed_alloc = 0;
                params.cp_fixed_quality = 1;
                pq = params.tcp_distoratio;
            } else {
                params.cp_disto_alloc = 1;
                params.cp_fixed_alloc = params.cp_fixed_quality = 0;
                pq = params.tcp_rates;
            }

            for (n = 0; n < len; ++n) {
                PyObject *obj = PySequence_ITEM(context->quality_layers, n);
                pq[n] = PyFloat_AsDouble(obj);
            }
        }
    } else {
        params.tcp_numlayers = 1;
        params.tcp_rates[0] = 0;
        params.cp_disto_alloc = 1;
    }

    if (context->num_resolutions)
        params.numresolution = context->num_resolutions;

    if (context->cblk_width >= 4 && context->cblk_width <= 1024
            && context->cblk_height >= 4 && context->cblk_height <= 1024
            && context->cblk_width * context->cblk_height <= 4096) {
        params.cblockw_init = context->cblk_width;
        params.cblockh_init = context->cblk_height;
    }

    if (context->precinct_width >= 4 && context->precinct_height >= 4
            && context->precinct_width >= context->cblk_width
            && context->precinct_height > context->cblk_height) {
        params.prcw_init[0] = context->precinct_width;
        params.prch_init[0] = context->precinct_height;
        params.res_spec = 1;
        params.csty |= 0x01;
    }

    params.irreversible = context->irreversible;

    params.prog_order = context->progression;

    params.cp_cinema = context->cinema_mode;

    switch (params.cp_cinema) {
    case OPJ_OFF:
        params.cp_rsiz = OPJ_STD_RSIZ;
        break;
    case OPJ_CINEMA2K_24:
    case OPJ_CINEMA2K_48:
        params.cp_rsiz = OPJ_CINEMA2K;
        if (params.numresolution > 6)
            params.numresolution = 6;
        break;
    case OPJ_CINEMA4K_24:
        params.cp_rsiz = OPJ_CINEMA4K;
        if (params.numresolution > 7)
            params.numresolution = 7;
        break;
    }

    if (context->cinema_mode != OPJ_OFF)
        j2k_set_cinema_params(im, components, &params);

    /* Set up the reference grid in the image */
    image->x0 = params.image_offset_x0;
    image->y0 = params.image_offset_y0;
    image->x1 = xsiz = im->xsize + params.image_offset_x0;
    image->y1 = ysiz = im->ysize + params.image_offset_y0;

    /* Create the compressor */
    codec = opj_create_compress(context->format);

    if (!codec) {
        state->errcode = IMAGING_CODEC_BROKEN;
        state->state = J2K_STATE_FAILED;
        goto quick_exit;
    }

    opj_set_error_handler(codec, j2k_error, context);
    opj_setup_encoder(codec, &params, image);

    /* Start encoding */
    if (!opj_start_compress(codec, image, stream)) {
        state->errcode = IMAGING_CODEC_BROKEN;
        state->state = J2K_STATE_FAILED;
        goto quick_exit;
    }

    /* Write each tile */
    tiles_x = (im->xsize + (params.image_offset_x0 - params.cp_tx0)
               + tile_width - 1) / tile_width;
    tiles_y = (im->ysize + (params.image_offset_y0 - params.cp_ty0)
               + tile_height - 1) / tile_height;

    num_tiles = tiles_x * tiles_y;

    state->buffer = malloc (tile_width * tile_height * components);

    tile_ndx = 0;
    for (y = 0; y < tiles_y; ++y) {
        unsigned ty0 = params.cp_ty0 + y * tile_height;
        unsigned ty1 = ty0 + tile_height;
        unsigned pixy, pixh;

        if (ty0 < params.image_offset_y0)
            ty0 = params.image_offset_y0;
        if (ty1 > ysiz)
            ty1 = ysiz;

        pixy = ty0 - params.image_offset_y0;
        pixh = ty1 - ty0;

        for (x = 0; x < tiles_x; ++x) {
            unsigned tx0 = params.cp_tx0 + x * tile_width;
            unsigned tx1 = tx0 + tile_width;
            unsigned pixx, pixw;
            unsigned data_size;

            if (tx0 < params.image_offset_x0)
                tx0 = params.image_offset_x0;
            if (tx1 > xsiz)
                tx1 = xsiz;

            pixx = tx0 - params.image_offset_x0;
            pixw = tx1 - tx0;

            pack(im, state->buffer, pixx, pixy, pixw, pixh);

            data_size = pixw * pixh * components;

            if (!opj_write_tile(codec, tile_ndx++, state->buffer,
                                data_size, stream)) {
                state->errcode = IMAGING_CODEC_BROKEN;
                state->state = J2K_STATE_FAILED;
                goto quick_exit;
            }
        }
    }

    if (!opj_end_compress(codec, stream)) {
        state->errcode = IMAGING_CODEC_BROKEN;
        state->state = J2K_STATE_FAILED;
        goto quick_exit;
    }

    state->errcode = IMAGING_CODEC_END;
    state->state = J2K_STATE_DONE;
    ret = (int)ImagingIncrementalCodecBytesInBuffer(encoder);

quick_exit:
    if (codec)
        opj_destroy_codec(codec);
    if (image)
        opj_image_destroy(image);
    if (stream)
        opj_stream_destroy(stream);

    return ret;
}
コード例 #4
0
ファイル: OPJSupport.cpp プロジェクト: aglv/Horos
unsigned char *
OPJSupport::compressJPEG2K(void *data,
                           int samplesPerPixel,
                           int rows,
                           int columns,
                           int bitsstored, //precision,
                           unsigned char bitsAllocated,
                           bool sign,
                           int rate,
                           long *compressedDataSize)
{
    //enconderMutex.lock();
    
    opj_cparameters_t parameters;
    
    opj_stream_t *l_stream = 00;
    opj_codec_t* l_codec = 00;
    opj_image_t *image = NULL;
    
    OPJ_BOOL bSuccess;
    OPJ_BOOL bUseTiles = OPJ_FALSE; /* OPJ_TRUE */
    OPJ_UINT32 l_nb_tiles = 4;
    
    OPJ_BOOL fails = OPJ_FALSE;
    OPJ_CODEC_FORMAT codec_format;
    
    memset(&parameters, 0, sizeof(parameters));
    opj_set_default_encoder_parameters(&parameters);
    parameters.outfile[0] = '\0';
    parameters.tcp_numlayers = 1;
    parameters.cp_disto_alloc = 1;
    parameters.tcp_rates[0] = rate;
    parameters.cod_format = JP2_CFMT; //JP2_CFMT; //J2K_CFMT;
    OPJ_BOOL forceJ2K = (parameters.cod_format == J2K_CFMT ? OPJ_FALSE:(((OPJ_TRUE /*force here*/))));
    
#ifdef WITH_OPJ_FILE_STREAM
    tmpnam(parameters.outfile);
#endif
    
    image = rawtoimage( (char*) data,
                       &parameters,
                       static_cast<int>( columns*rows*samplesPerPixel*bitsAllocated/8), // [data length], fragment_size
                       columns, rows,
                       samplesPerPixel,
                       bitsAllocated,
                       bitsstored,
                       sign,
                       /*quality,*/ 0);
    
    if (image == NULL)
    {
        /* close and free the byte stream */
        if (l_stream) opj_stream_destroy(l_stream);
        
        /* free remaining compression structures */
        if (l_codec) opj_destroy_codec(l_codec);
        
        /* free image data */
        if (image) opj_image_destroy(image);
        
        *compressedDataSize = 0;
        
        //enconderMutex.unlock();
        
        return NULL;
    }
    
    /*-----------------------------------------------*/
    
    switch (parameters.cod_format)
    {
        case J2K_CFMT:                      /* JPEG-2000 codestream */
            codec_format = OPJ_CODEC_J2K;
            break;
            
        case JP2_CFMT:                      /* JPEG 2000 compressed image data */
            codec_format = OPJ_CODEC_JP2;
            break;
            
        case JPT_CFMT:                      /* JPEG 2000, JPIP */
            codec_format = OPJ_CODEC_JPT;
            break;
            
        case -1:
        default:
            fprintf(stderr,"%s:%d: encode format missing\n",__FILE__,__LINE__);
            
            /* close and free the byte stream */
            if (l_stream) opj_stream_destroy(l_stream);
            
            /* free remaining compression structures */
            if (l_codec) opj_destroy_codec(l_codec);
            
            /* free image data */
            if (image) opj_image_destroy(image);
            
            *compressedDataSize = 0;
            
            //enconderMutex.unlock();
            
            return NULL;
    }
    
    /* see test_tile_encoder.c:232 and opj_compress.c:1746 */
    l_codec = opj_create_compress(codec_format);
    if (!l_codec)
    {
        fprintf(stderr,"%s:%d:\n\tNO codec\n",__FILE__,__LINE__);
        
        /* close and free the byte stream */
        if (l_stream) opj_stream_destroy(l_stream);
        
        /* free remaining compression structures */
        if (l_codec) opj_destroy_codec(l_codec);
        
        /* free image data */
        if (image) opj_image_destroy(image);
        
        *compressedDataSize = 0;
        
        //enconderMutex.unlock();
        
        return NULL;
    }
    
    
#ifdef OPJ_VERBOSE
    opj_set_info_handler(l_codec, info_callback, this);
    opj_set_warning_handler(l_codec, warning_callback, this);
#endif
    
    opj_set_error_handler(l_codec, error_callback, this);
    
    if ( !opj_setup_encoder(l_codec, &parameters, image))
    {
        fprintf(stderr,"%s:%d:\n\topj_setup_encoder failed\n",__FILE__,__LINE__);
        
        /* close and free the byte stream */
        if (l_stream) opj_stream_destroy(l_stream);
        
        /* free remaining compression structures */
        if (l_codec) opj_destroy_codec(l_codec);
        
        /* free image data */
        if (image) opj_image_destroy(image);
        
        *compressedDataSize = 0;
        
        //enconderMutex.unlock();
        
        return NULL;
    }
    
    
    // Create the stream
#ifdef WITH_OPJ_BUFFER_STREAM
    opj_buffer_info_t bufferInfo;
    bufferInfo.cur = bufferInfo.buf = (OPJ_BYTE *)data;
    bufferInfo.len = (OPJ_SIZE_T) rows * columns;
    l_stream = opj_stream_create_buffer_stream(&bufferInfo, OPJ_STREAM_WRITE);
    
    //printf("%p\n",bufferInfo.buf);
    //printf("%lu\n",bufferInfo.len);
#endif
    
    
#ifdef WITH_OPJ_FILE_STREAM
    l_stream = opj_stream_create_default_file_stream(parameters.outfile, OPJ_STREAM_WRITE);
#endif
    
    
    if (!l_stream)
    {
        fprintf(stderr,"%s:%d:\n\tstream creation failed\n",__FILE__,__LINE__);
        
        /* close and free the byte stream */
        if (l_stream) opj_stream_destroy(l_stream);
        
        /* free remaining compression structures */
        if (l_codec) opj_destroy_codec(l_codec);
        
        /* free image data */
        if (image) opj_image_destroy(image);
        
        *compressedDataSize = 0;
        
        //enconderMutex.unlock();
        
        return NULL;
    }
    
    
    while(1)
    {
        //        int tile_index=-1, user_changed_tile=0, user_changed_reduction=0;
        //        int max_tiles=0, max_reduction=0;
        fails = OPJ_TRUE;
        
        /* encode the image */
        bSuccess = opj_start_compress(l_codec, image, l_stream);
        
        if (!bSuccess)
        {
            fprintf(stderr,"%s:%d:\n\topj_start_compress failed\n",__FILE__,__LINE__);
            break;
        }
        
        if ( bSuccess && bUseTiles )
        {
            OPJ_BYTE *l_data = NULL;
            OPJ_UINT32 l_data_size = 512*512*3; //FIXME
            l_data = (OPJ_BYTE*) malloc(l_data_size * sizeof(OPJ_BYTE));
            memset(l_data, 0, l_data_size * sizeof(OPJ_BYTE));
            
            //assert( l_data );
            if (!l_data)
            {
                /* close and free the byte stream */
                if (l_stream) opj_stream_destroy(l_stream);
                
                /* free remaining compression structures */
                if (l_codec) opj_destroy_codec(l_codec);
                
                /* free image data */
                if (image) opj_image_destroy(image);
                
                *compressedDataSize = 0;
                
                //enconderMutex.unlock();
                
                return NULL;
            }
            
            for (int i=0;i<l_nb_tiles;++i)
            {
                if (! opj_write_tile(l_codec,i,l_data,l_data_size,l_stream))
                {
                    fprintf(stderr, "\nERROR -> test_tile_encoder: failed to write the tile %d!\n",i);
                    /* close and free the byte stream */
                    if (l_stream) opj_stream_destroy(l_stream);
                    
                    /* free remaining compression structures */
                    if (l_codec) opj_destroy_codec(l_codec);
                    
                    /* free image data */
                    if (image) opj_image_destroy(image);
                    
                    free(l_data);
                    
                    *compressedDataSize = 0;
                    
                    //enconderMutex.unlock();
                    
                    return NULL;
                }
            }
            
            free(l_data);
        }
        else
        {
            if (!opj_encode(l_codec, l_stream))
            {
                fprintf(stderr,"%s:%d:\n\topj_encode failed\n",__FILE__,__LINE__);
                break;
            }
        }
        
        if (!opj_end_compress(l_codec, l_stream))
        {
            fprintf(stderr,"%s:%d:\n\topj_end_compress failed\n",__FILE__,__LINE__);
            break;
        }
        
        fails = OPJ_FALSE;
        break;
        
    } // while
    
    *compressedDataSize = 0;
    unsigned char *to = NULL;
    
    /* close and free the byte stream */
    if (l_stream) opj_stream_destroy(l_stream);
    
    /* free remaining compression structures */
    if (l_codec) opj_destroy_codec(l_codec);
    
    /* free image data */
    if (image) opj_image_destroy(image);
    
    if (fails)
    {
#ifdef WITH_OPJ_FILE_STREAM
        if (parameters.outfile[0] != '\0')
            remove(parameters.outfile);
#endif
    }
    else
    {
#ifdef WITH_OPJ_BUFFER_STREAM
        //printf("%p\n",bufferInfo.buf);
        //printf("%lu\n",bufferInfo.len);
        //to=(unsigned char *) malloc(bufferInfo.len);
        //memcpy(to,l_stream,bufferInfo.len);
#endif
        
#ifdef WITH_OPJ_FILE_STREAM
        // Open the temp file and get the encoded data into 'to'
        // and the length into 'length'
        FILE *f = NULL;
        if (parameters.outfile[0] != '\0')
        {
            f = fopen(parameters.outfile, "rb");
        }
        
        long length = 0;
        
        if (f != NULL)
        {
            fseek(f, 0, SEEK_END);
            length = ftell(f);
            fseek(f, 0, SEEK_SET);
            if (forceJ2K)
            {
                length -= 85;
                fseek(f, 85, SEEK_SET);
            }
            
            if (length % 2)
            {
                length++; // ensure even length
                //fprintf(stdout,"Padded to %li\n", length);
            }
            
            to = (unsigned char *) malloc(length);
            
            fread(to, length, 1, f);
            
            //printf("%s %lu\n",parameters.outfile,length);;
            
            fclose(f);
        }
        
        *compressedDataSize = length;
        
        if (parameters.outfile[0] != '\0')
        {
            remove(parameters.outfile);
        }
#endif
    }
    
    //enconderMutex.unlock();
    
    return to;
}
コード例 #5
0
ファイル: OpenJPEGImpl.c プロジェクト: anna-dodd/nitro
OpenJPEGWriter_setTile(J2K_USER_DATA *data, nrt_Uint32 tileX, nrt_Uint32 tileY,
                       const nrt_Uint8 *buf, nrt_Uint32 tileSize,
                       nrt_Error *error)
{
    OpenJPEGWriterImpl *impl = (OpenJPEGWriterImpl*) data;
    NRT_BOOL rc = NRT_SUCCESS;
    nrt_Uint32 xTiles, yTiles, tileIndex, width, height, tileWidth, tileHeight;
    nrt_Uint32 thisTileWidth, thisTileHeight, thisTileSize, nComponents, nBytes;
    nrt_Uint8* newTileBuf = NULL;

    xTiles = j2k_Container_getTilesX(impl->container, error);
    yTiles = j2k_Container_getTilesY(impl->container, error);
    width  = j2k_Container_getWidth(impl->container, error);
    height = j2k_Container_getHeight(impl->container, error);
    tileWidth  = j2k_Container_getTileWidth(impl->container, error);
    tileHeight = j2k_Container_getTileHeight(impl->container, error);
    nComponents = j2k_Container_getNumComponents(impl->container, error);
    nBytes = (j2k_Container_getPrecision(impl->container, error) - 1) / 8 + 1;
    tileIndex = tileY * xTiles + tileX;

    memset(error->message, 0, NRT_MAX_EMESSAGE);
    if(!opj_set_error_handler(impl->codec,
                              OpenJPEG_errorHandler,
                              error))
    {
        nrt_Error_init(error, "Unable to set OpenJPEG error handler", NRT_CTXT,
                       NRT_ERR_UNK);
        goto CATCH_ERROR;
    }

    /* Check for edge case where we may have partial tile */
    thisTileWidth = tileWidth;
    thisTileHeight = tileHeight;
    if (tileX == xTiles - 1 && width % tileWidth != 0)
        thisTileWidth = width % tileWidth;
    if (tileY == yTiles - 1 && height % tileHeight != 0)
        thisTileHeight = height % tileHeight;

    thisTileSize = thisTileWidth * thisTileHeight * nComponents * nBytes;
    if(thisTileSize != tileSize)
        tileSize = thisTileSize;

    if(thisTileWidth < tileWidth)
    {
        /* TODO: The current approach below only works for single band
         *       imagery.  For RGB data, I believe it is stored as all
         *       red, then all green, then all blue, so we would need
         *       a temp buffer rather than reusing the current buffer.
         */
        if (nComponents != 1)
        {
            nrt_Error_init(
                error,
                "Partial tile width not implemented for multi-band",
                NRT_CTXT, NRT_ERR_UNK);
            goto CATCH_ERROR;
        }
        
        /* We have a tile that is wider than it "should" be
         * Need to create smaller buffer to pass to write function
         */
        {
            OPJ_UINT32 ii;
            size_t srcOffset = 0;
            size_t destOffset = 0;
            const size_t srcStride = tileWidth * nBytes;
            const size_t destStride = thisTileWidth * nBytes;
            
            newTileBuf = (nrt_Uint8*) J2K_MALLOC(thisTileSize);
            if(!newTileBuf)
            {
                nrt_Error_init(error, NRT_STRERROR(NRT_ERRNO), NRT_CTXT, NRT_ERR_MEMORY);
                goto CATCH_ERROR;
            }
            
            for(ii = 0; ii < thisTileHeight; ++ii, srcOffset += srcStride, 
                    destOffset += destStride)
                memcpy(newTileBuf + destOffset, buf + srcOffset, destStride);

            buf = newTileBuf;
        }
    }

    if (!opj_write_tile(impl->codec,
                        tileIndex,
                        (OPJ_BYTE* )buf,
                        tileSize,
                        impl->stream))
    {
        nrt_Error ioError;
        const nrt_Off currentPos = nrt_IOInterface_tell(impl->compressed, &ioError);
        const nrt_Off ioSize = nrt_IOInterface_getSize(impl->compressed, &ioError);
        if (NRT_IO_SUCCESS(currentPos) &&
            NRT_IO_SUCCESS(ioSize) &&
            currentPos + OPENJPEG_STREAM_SIZE >= ioSize)
        {
            /* The write failed because implStreamWrite() failed because
             * nrt_IOInterface_write() failed because we didn't have enough
             * room left in the buffer that we copy to prior to flushing out
             * to disk in OpenJPEGWriter_write().  The buffer is sized to the
             * uncompressed image size, so this only occurs if the compressed
             * image is actually larger than the uncompressed size.
             * TODO: Handle resizing the buffer on the fly when this occurs
             * inside implStreamWrite().  Long-term if we're able to thread
             * per tile, we won't have to reallocate nearly as much.
             */
            nrt_Error_init(error,
                           "Error writing tile: Compressed image is larger "
                            "than uncompressed image",
                            NRT_CTXT,
                            NRT_ERR_INVALID_OBJECT);
        }

        /*nrt_Error_init(error, "Error writing tile", NRT_CTXT,
          NRT_ERR_INVALID_OBJECT);*/
        goto CATCH_ERROR;
    }

    goto CLEANUP;

    CATCH_ERROR:
    {
        rc = NRT_FAILURE;
    }

    CLEANUP:
    {
        if(newTileBuf)
            J2K_FREE(newTileBuf);
    }

    return rc;
}