示例#1
0
int main(int argc, char **argv)
{
        UdpConnectReceive(UDP_HOST, UDP_PORT);
        
        std::list<UdpPacket> udp_packets;
        uint8_t *image = NULL;
        int width, height, channels;
        struct timespec ts1, ts2;
        uint32_t count = 0;
        double dt_acc = 0;
	printf("connected!\n"); 
        while(1)
                {
                        UdpReceiveGetPackets(udp_packets);
                        if (0)//udp_packets.begin()==udp_packets.end())
                                printf("no packets received\n");
                        for(std::list<UdpPacket>::iterator it = udp_packets.begin(); it != udp_packets.end(); it++)
                                {
                                        count++;
                                        clock_gettime(CLOCK_MONOTONIC, &ts2);
                                        double dt = (ts2.tv_sec - ts1.tv_sec)*1000 + (ts2.tv_nsec - ts1.tv_nsec)/1e6;
                                        dt_acc += dt;
                                        printf("dt: %f ms\n", dt);
                                        clock_gettime(CLOCK_MONOTONIC, &ts1);
                                        //parse imu data
                                        //decompress image data
                                        jpeg_decompress(&(it->data[12*4]), it->data.size(), &image, &width, &height, &channels);
                                        //printf("width: %d, height: %d\n", width, height);
#if 1
                                        if(channels == 1)
                                                imgproc(image, width, height);
                                        else
                                                printf("Expecting monochrome image, got image with channels = %d\n", channels);
#endif
                                        int N = 10;
                                        if(count % N == 0)
                                                {
                                                        //printf("dt: %f ms\n", dt_acc/N);
                                                        count = 0;
                                                        dt_acc = 0;
                                                }
                                        printf("received packet\n");
                                }
                        usleep(1000);
                }
        return 0;
}
示例#2
0
void xf_Bitmap_Decompress(rdpContext* context, rdpBitmap* bitmap,
		BYTE* data, int width, int height, int bpp, int length,
		BOOL compressed, int codec_id)
{
	UINT16 size;
	BYTE* src;
	BYTE* dst;
	int yindex;
	int xindex;
	BOOL status;
	RFX_MESSAGE* msg;
	xfContext* xfc = (xfContext*) context;

	size = width * height * ((bpp + 7) / 8);

	if (!bitmap->data)
		bitmap->data = (BYTE*) _aligned_malloc(size, 16);
	else
		bitmap->data = (BYTE*) _aligned_realloc(bitmap->data, size, 16);

	switch (codec_id)
	{
		case RDP_CODEC_ID_NSCODEC:
			DEBUG_WARN( "xf_Bitmap_Decompress: nsc not done\n");
			break;

		case RDP_CODEC_ID_REMOTEFX:
			rfx_context_set_pixel_format(xfc->rfx, RDP_PIXEL_FORMAT_B8G8R8A8);
			msg = rfx_process_message(xfc->rfx, data, length);

			if (!msg)
			{
				DEBUG_WARN( "xf_Bitmap_Decompress: rfx Decompression Failed\n");
			}
			else
			{
				for (yindex = 0; yindex < height; yindex++)
				{
					src = msg->tiles[0]->data + yindex * 64 * 4;
					dst = bitmap->data + yindex * width * 3;
					for (xindex = 0; xindex < width; xindex++)
					{
						*(dst++) = *(src++);
						*(dst++) = *(src++);
						*(dst++) = *(src++);
						src++;
					}
				}
				rfx_message_free(xfc->rfx, msg);
			}
			break;

		case RDP_CODEC_ID_JPEG:
			if (!jpeg_decompress(data, bitmap->data, width, height, length, bpp))
			{
				DEBUG_WARN( "xf_Bitmap_Decompress: jpeg Decompression Failed\n");
			}
			break;

		default:
			if (compressed)
			{
				status = bitmap_decompress(data, bitmap->data, width, height, length, bpp, bpp);

				if (!status)
				{
					DEBUG_WARN( "xf_Bitmap_Decompress: Bitmap Decompression Failed\n");
				}
			}
			else
			{
				freerdp_image_flip(data, bitmap->data, width, height, bpp);
			}
			break;
	}

	bitmap->compressed = FALSE;
	bitmap->length = size;
	bitmap->bpp = bpp;
}
示例#3
0
void gdi_Bitmap_Decompress(rdpContext* context, rdpBitmap* bitmap,
		BYTE* data, int width, int height, int bpp, int length,
		BOOL compressed, int codecId)
{
	BOOL status;
	UINT16 size;
	BYTE* src;
	BYTE* dst;
	int yindex;
	int xindex;
	rdpGdi* gdi;
	RFX_MESSAGE* msg;

	size = width * height * ((bpp + 7) / 8);

	if (!bitmap->data)
		bitmap->data = (BYTE*) malloc(size);
	else
		bitmap->data = (BYTE*) realloc(bitmap->data, size);

	switch (codecId)
	{
		case RDP_CODEC_ID_NSCODEC:
			gdi = context->gdi;
			nsc_process_message(gdi->nsc_context, bpp, width, height, data, length);
			freerdp_image_flip(((NSC_CONTEXT*) gdi->nsc_context)->BitmapData, bitmap->data, width, height, bpp);
			break;

		case RDP_CODEC_ID_REMOTEFX:
			gdi = context->gdi;
			rfx_context_set_pixel_format(gdi->rfx_context, RDP_PIXEL_FORMAT_B8G8R8A8);
			msg = rfx_process_message(gdi->rfx_context, data, length);
			if (!msg)
			{
				fprintf(stderr, "gdi_Bitmap_Decompress: rfx Decompression Failed\n");
			}
			else
			{
				for (yindex = 0; yindex < height; yindex++)
				{
					src = msg->tiles[0]->data + yindex * 64 * 4;
					dst = bitmap->data + yindex * width * 3;
					for (xindex = 0; xindex < width; xindex++)
					{
						*(dst++) = *(src++);
						*(dst++) = *(src++);
						*(dst++) = *(src++);
						src++;
					}
				}
				rfx_message_free(gdi->rfx_context, msg);
			}
			break;
		case RDP_CODEC_ID_JPEG:
#ifdef WITH_JPEG
			if (!jpeg_decompress(data, bitmap->data, width, height, length, bpp))
			{
				fprintf(stderr, "gdi_Bitmap_Decompress: jpeg Decompression Failed\n");
			}
#endif
			break;
		default:
			if (compressed)
			{
				status = bitmap_decompress(data, bitmap->data, width, height, length, bpp, bpp);

				if (!status)
				{
					fprintf(stderr, "gdi_Bitmap_Decompress: Bitmap Decompression Failed\n");
				}
			}
			else
			{
				freerdp_image_flip(data, bitmap->data, width, height, bpp);
			}
			break;
	}

	bitmap->width = width;
	bitmap->height = height;
	bitmap->compressed = FALSE;
	bitmap->length = size;
	bitmap->bpp = bpp;
}
示例#4
0
PyObject *RovioCam::updateMMap(int decompress) {
  char *header, *type, *creator, *fmt, *image_buffer;
  long format, compression, newWidth, newHeight, timeStamp, frameNum, unknown1;
  long chanWidth, chanHeight, layer, chanID, unknown2, size;
  //printf("In updateMMap 1\n");
  lock.ReadLock();
  //printf("In updateMMap 2\n");
  // get an image from socket
  // Got type=TekkotsuImage
  // Got format=0
  // Got compression=1
  // Got newWidth=104
  // Got newHeight=80
  // Got timest=121465
  // Got frameNum=3185
  //printf("receiving...\n");
  if (tcp) {
    header = sock->read(4);  // \r\0\0\0
    //printf("In updateMMap 3: '%s'\n", header);
    type = sock->readUntil((char)0); // "TekkotsuImage"
    //printf("type: '%s'\n", type);
    format = convert(sock->read(4));
    //printf("format: %ld\n", format);
    compression = convert(sock->read(4));
    //printf("compression: %ld\n", compression);
    newWidth = convert(sock->read(4));
    //printf("newWidth: %ld\n", newWidth);
    newHeight = convert(sock->read(4));
    //printf("newHeight: %ld\n", newHeight);
    timeStamp = convert(sock->read(4));
    //printf("timeStamp: %ld\n", timeStamp);
    frameNum = convert(sock->read(4));
    //printf("frameNum: %ld\n", frameNum);
    unknown1 = convert(sock->read(4));
    //printf("unknown1: %ld\n", unknown1);
    //// Got creator=FbkImage
    //// Got chanwidth=104
    //// Got chanheight=80
    //// Got layer=3
    //// Got chan_id=0
    //// Got fmt=JPEGColor
    //// read JPEG: len=2547
    creator = sock->readUntil((char)0); // creator
    //printf("creator: %s\n", creator);
    chanWidth = convert(sock->read(4));
    //printf("chanWidth: %ld\n", chanWidth);
    chanHeight = convert(sock->read(4));
    //printf("chanHeight: %ld\n", chanHeight);
    layer = convert(sock->read(4));
    //printf("layer: %ld\n", layer);
    chanID = convert(sock->read(4));
    //printf("chanID: %ld\n", chanID);
    unknown2 = convert(sock->read(4));
    //printf("unknown2: %ld\n", unknown2);
    fmt = sock->readUntil((char)0); // fmt
    //printf("fmt: %s\n", fmt);
    size = convert(sock->read(4));
    image_buffer = sock->read(size);
  } else { // UDP
    printf("reading...\n");
    // wait until answer comes back, for up to 1 second
    char *st = sock->read(MAXBUFSIZE);
    printf("done!\n");
    printf("making a fake socket...\n");
    FakeSocket fakesock = FakeSocket(st);
    header = fakesock.read(4);  // \r\0\0\0
     printf("In updateMMap 3: '%s'\n", header);
     type = fakesock.readUntil((char)0); // "TekkotsuImage"
     printf("type: '%s'\n", type);
     format = convert(fakesock.read(4));
     printf("format: %ld\n", format);
     compression = convert(fakesock.read(4));
     printf("compression: %ld\n", compression);
     newWidth = convert(fakesock.read(4));
     printf("newWidth: %ld\n", newWidth);
     newHeight = convert(fakesock.read(4));
     printf("newHeight: %ld\n", newHeight);
     timeStamp = convert(fakesock.read(4));
     printf("timeStamp: %ld\n", timeStamp);
     frameNum = convert(fakesock.read(4));
     printf("frameNum: %ld\n", frameNum);
     unknown1 = convert(fakesock.read(4));
     printf("unknown1: %ld\n", unknown1);
     //// Got creator=FbkImage
     //// Got chanwidth=104
     //// Got chanheight=80
     //// Got layer=3
     //// Got chan_id=0
     //// Got fmt=JPEGColor
     //// read JPEG: len=2547
     creator = fakesock.readUntil((char)0); // creator
     printf("creator: %s\n", creator);
     chanWidth = convert(fakesock.read(4));
     printf("chanWidth: %ld\n", chanWidth);
     chanHeight = convert(fakesock.read(4));
     printf("chanHeight: %ld\n", chanHeight);
     layer = convert(fakesock.read(4));
     printf("layer: %ld\n", layer);
     chanID = convert(fakesock.read(4));
     printf("chanID: %ld\n", chanID);
     unknown2 = convert(fakesock.read(4));
     printf("unknown2: %ld\n", unknown2);
     fmt = fakesock.readUntil((char)0); // fmt
     printf("fmt: %s\n", fmt);
     size = convert(fakesock.read(4));
     printf("size: %ld\n", size);
  }
  // convert image from JPEG to RGB in mmap
  if (width == 0 && height == 0) {
    width = newWidth;
    height = newHeight;
    printf("New Rovio image size: %d x %d; %ld\n", width, height, size);
    lock.ReadUnlock();
    return PyInt_FromLong(0);
  }
  if (decompress) {
    if (size > 0 && size < 10000) {
      //printf("decompressing...\n");
      jpeg_decompress((unsigned char *)image, (width * height * depth), 
		      (unsigned char *)image_buffer, (int) size);
      //printf("done!\n");
      lock.ReadUnlock();
      return PyInt_FromLong(size);
    } else {
      printf("Rovio camera bad JPEG size: %ld\n", size);
      lock.ReadUnlock();
      return PyInt_FromLong(0);
    }
  }
  lock.ReadUnlock();
  return PyInt_FromLong(0);
}
示例#5
0
GLOBAL int
read_JPEG_file (char * filename)
{
  /* These three structs contain JPEG parameters and working data.
   * They must survive for the duration of parameter setup and one
   * call to jpeg_decompress; typically, making them local data in the
   * calling routine is the best strategy.
   */
  struct Decompress_info_struct cinfo;
  struct Decompress_methods_struct dc_methods;
  struct External_methods_struct e_methods;

  /* Select the input and output files.
   * In this example we want to open the input file before doing anything else,
   * so that the setjmp() error recovery below can assume the file is open.
   * Note that cinfo.output_file is only used if your output handling routines
   * use it; otherwise, you can just make it NULL.
   * VERY IMPORTANT: use "b" option to fopen() if you are on a machine that
   * requires it in order to read binary files.
   */

  if ((cinfo.input_file = fopen(filename, "rb")) == NULL) {
    fprintf(stderr, "can't open %s\n", filename);
    return 0;
  }

  cinfo.output_file = NULL;	/* if no actual output file involved */

  /* Initialize the system-dependent method pointers. */
  cinfo.methods = &dc_methods;	/* links to method structs */
  cinfo.emethods = &e_methods;
  /* Here we supply our own error handler; compare to use of standard error
   * handler in the previous write_JPEG_file example.
   */
  emethods = &e_methods;	/* save struct addr for possible access */
  e_methods.error_exit = error_exit; /* supply error-exit routine */
  e_methods.trace_message = trace_message; /* supply trace-message routine */
  e_methods.trace_level = 0;	/* default = no tracing */
  e_methods.num_warnings = 0;	/* no warnings emitted yet */
  e_methods.first_warning_level = 0; /* display first corrupt-data warning */
  e_methods.more_warning_level = 3; /* but suppress additional ones */

  /* prepare setjmp context for possible exit from error_exit */
  if (setjmp(setjmp_buffer)) {
    /* If we get here, the JPEG code has signaled an error.
     * Memory allocation has already been cleaned up (see free_all call in
     * error_exit), but we need to close the input file before returning.
     * You might also need to close an output file, etc.
     */
    fclose(cinfo.input_file);
    return 0;
  }

  /* Here we use the standard memory manager provided with the JPEG code.
   * In some cases you might want to replace the memory manager, or at
   * least the system-dependent part of it, with your own code.
   */
  jselmemmgr(&e_methods);	/* select std memory allocation routines */
  /* If the decompressor requires full-image buffers (for two-pass color
   * quantization or a noninterleaved JPEG file), it will create temporary
   * files for anything that doesn't fit within the maximum-memory setting.
   * You can change the default maximum-memory setting by changing
   * e_methods.max_memory_to_use after jselmemmgr returns.
   * On some systems you may also need to set up a signal handler to
   * ensure that temporary files are deleted if the program is interrupted.
   * (This is most important if you are on MS-DOS and use the jmemdos.c
   * memory manager back end; it will try to grab extended memory for
   * temp files, and that space will NOT be freed automatically.)
   * See jcmain.c or jdmain.c for an example signal handler.
   */

  /* Here, set up the pointer to your own routine for post-header-reading
   * parameter selection.  You could also initialize the pointers to the
   * output data handling routines here, if they are not dependent on the
   * image type.
   */
  dc_methods.d_ui_method_selection = d_ui_method_selection;

  /* Set up default decompression parameters. */
  j_d_defaults(&cinfo, TRUE);
  /* TRUE indicates that an input buffer should be allocated.
   * In unusual cases you may want to allocate the input buffer yourself;
   * see jddeflts.c for commentary.
   */

  /* At this point you can modify the default parameters set by j_d_defaults
   * as needed; for example, you can request color quantization or force
   * grayscale output.  See jdmain.c for examples of what you might change.
   */

  /* Set up to read a JFIF or baseline-JPEG file. */
  /* This is the only JPEG file format currently supported. */
  jselrjfif(&cinfo);

  /* Here we go! */
  jpeg_decompress(&cinfo);

  /* That's it, son.  Nothin' else to do, except close files. */
  /* Here we assume only the input file need be closed. */
  fclose(cinfo.input_file);

  /* You might want to test e_methods.num_warnings to see if bad data was
   * detected.  In this example, we just blindly forge ahead.
   */
  return 1;			/* indicate success */

  /* Note: if you want to decompress more than one image, we recommend you
   * repeat this whole routine.  You MUST repeat the j_d_defaults()/alter
   * parameters/jpeg_decompress() sequence, as some data structures allocated
   * in j_d_defaults are freed upon exit from jpeg_decompress.
   */
}
示例#6
0
文件: capture.c 项目: ofilin/remcam2
LRESULT CALLBACK cap_stream_cb(HWND hwnd, VIDEOHDR *pframe)
{
	cap_cx *cx;
	void *temp = NULL;
	int iskeyframe;
	size_t datalen;
	void *pdata;
	size_t outdatalen;
	void *poutdata;
	int width;
	int height;
	size_t rgblen;
	void *prgb;
	int quein;
	char message[256];
	DWORD decodetime;

	if(!(cx = cap_assoc_get(hwnd)))
		return TRUE;

	if(cx->started)
	{
		/*
		 * Get captured frame
		 */
		pdata = pframe->lpData;
		datalen = (size_t)(pframe->dwBytesUsed);
		iskeyframe = pframe->dwFlags & VHDR_KEYFRAME;
	
		width = cx->pfmt->bmiHeader.biWidth;
		height = cx->pfmt->bmiHeader.biHeight;

		//start decoding frame time
		decodetime = GetTickCount();

		/*
		 * Use VCM decompressor
		 */
		if(cx->mode == CAP_USE_IC)
		{
			// alloc buffer for decompressed frame
			outdatalen = cx->poutfmt->bmiHeader.biSizeImage;
			if(!(poutdata = malloc(outdatalen)))
			{
				return TRUE;
			}
		
			// decompress frame
			if(ICDecompress(
				cx->ic,
				iskeyframe ? 0 : ICDECOMPRESS_NOTKEYFRAME,
				&(cx->pfmt->bmiHeader),
				pdata,
				&(cx->poutfmt->bmiHeader),
				poutdata) != ICERR_OK)
			{
				free(poutdata);
				return TRUE;
			}

			// to dealloc
			temp = poutdata;

			// get decompressed frame
			pdata = poutdata;
			datalen = outdatalen;
			width = cx->poutfmt->bmiHeader.biWidth;
			height = cx->poutfmt->bmiHeader.biHeight;
		}

		/*
		 * Use pixel decoder
		 */
		if( (cx->mode == CAP_USE_PIXDEC) ||
			(cx->mode == CAP_USE_IC) )
		{
			// alloc buffer
			rgblen = width*height*3;
			if(!(prgb = malloc(rgblen)))
			{
				free(temp);
				return TRUE;
			}

			// decode frame
			if(!cx->pix_func(prgb, pdata, width, height))
			{
				free(prgb);
				free(temp);
				return TRUE;
			}

			// dealloc encoded frame buffer
			free(temp);
		}

		/*
		 * Use JPEG decompressor
		 */
		if(cx->mode == CAP_USE_JPEG)
		{
			if(!(prgb = jpeg_decompress(pdata, datalen, &width, &height)))
			{
				return TRUE;
			}
		}

		//output statistics
		decodetime = GetTickCount() - decodetime;
		sprintf(message, "Frame decode time = %d ms, input length = %d, output length = %d\n",
			decodetime, pframe->dwBytesUsed, rgblen);
		OutputDebugString(message);

		/*
		 * Put frame in buffer
		 */

		// check buffer have free slot
		if((quein = (cx->que_in + 1) % CAP_QUE) == cx->que_out)
		{
			OutputDebugString("Capture buffer overflow\n");
			free(prgb);
			return TRUE;
		}

		// put frame to free slot
		cx->que[cx->que_in].rgb = prgb;
		cx->que[cx->que_in].width = width;
		cx->que[cx->que_in].height = height;
		cx->que[cx->que_in].length = rgblen;
		cx->que_in = quein;
	}

	return TRUE;
}