Function app_main_thread

example/FVP_Video/project/app_main.c:109–171

Application main thread. */

  Application main thread.
*/
__NO_RETURN void app_main_thread (void *argument) {
  int32_t  rval;
  uint32_t count;
  uint32_t flags;
  void *in_block;
  void *out_block;

  /* Initialize input and output streams */
  init_streams();

  /* Start input and output streams */
  rval = vStream_VideoIn->Start(VSTREAM_MODE_CONTINUOUS);
  ASSERT(rval == VSTREAM_OK);

  rval = vStream_VideoOut->Start(VSTREAM_MODE_CONTINUOUS);
  ASSERT(rval == VSTREAM_OK);

  printf("Video streaming started...\n");

  /* Input to Output copy loop */
  for (count = 0; (VIDEO_TOTAL_BLOCKS == 0) || (count < VIDEO_TOTAL_BLOCKS); count++) {

    /* Wait for new video input frame */
    flags = osThreadFlagsWait(FRAME_RECEIVED | END_OF_STREAM, osFlagsWaitAny, osWaitForever);

    if (flags & END_OF_STREAM) {
      /* End of Stream received, exit streaming loop */
      break;
    }

    /* Get a pointer to a block of memory holding the input frame */
    in_block = vStream_VideoIn->GetBlock();
    ASSERT(in_block != NULL);

    /* Wait for available output frame */
    osThreadFlagsWait(FRAME_SENT, osFlagsWaitAny, osWaitForever);

    /* Get a pointer to a block of memory for the output frame */
    out_block = vStream_VideoOut->GetBlock();
    ASSERT(out_block != NULL);

    /* Copy input frame to output frame with cropping */
    frame_copy(in_block, out_block);

    /* Release a block of memory holding the input frame */
    rval = vStream_VideoIn->ReleaseBlock();
    ASSERT(rval == VSTREAM_OK);

    /* Release a block of memory holding the output frame */
    rval = vStream_VideoOut->ReleaseBlock();
    ASSERT(rval == VSTREAM_OK);
  }

  /* End of stream, stop streaming */
  rval = vStream_VideoIn->Stop();
  ASSERT(rval == VSTREAM_OK);

  rval = vStream_VideoOut->Stop();