//Processes the raw data into something that we can display.
void CameraCanvas::processNewData() {
if(isRGBMode) convert_to_rgb();
working_matrix = convertToCvMatrix();
overlayObjects();
overlayText();
convert_thresh_displayable();
working_threshold = convertThresholdMatrix();
}
void *decode_video_thread(void *arg)
{
INFO("Started decode video thread!");
av_session_t *_phone = arg;
_phone->running_decvid = 1;
//CodecState *cs = get_cs_temp(_phone->av);
//cs->video_stream = 0;
//int recved_size;
//uint8_t dest[RTP_PAYLOAD_SIZE];
//int dec_frame_finished;
//AVFrame *r_video_frame;
//r_video_frame = avcodec_alloc_frame();
//AVPacket dec_video_packet;
//av_new_packet (&dec_video_packet, 65536);
int width = 0;
int height = 0;
while (_phone->running_decvid) {
//recved_size = toxav_recv_rtp_payload(_phone->av, TypeVideo, dest);
//if (recved_size) {
vpx_image_t *image;
if (toxav_recv_video(_phone->av, &image) == 0) {
//memcpy(dec_video_packet.data, dest, recved_size);
//dec_video_packet.size = recved_size;
//avcodec_decode_video2(cs->video_decoder_ctx, r_video_frame, &dec_frame_finished, &dec_video_packet);
//if (dec_frame_finished) {
/* Check if size has changed */
if (image->d_w != width || image->d_h != height) {
width = image->d_w;
height = image->d_h;
printf("w: %d h: %d \n", width, height);
screen = SDL_SetVideoMode(width, height, 0, 0);
//if (_phone->video_picture.bmp)
// SDL_FreeYUVOverlay(_phone->video_picture.bmp);
//_phone->video_picture.bmp = SDL_CreateYUVOverlay(width, height, SDL_YV12_OVERLAY, screen);
// _phone->sws_SDL_r_ctx = sws_getContext(width, height, cs->video_decoder_ctx->pix_fmt, width, height, PIX_FMT_YUV420P,
// SWS_BILINEAR, NULL, NULL, NULL);
}
uint8_t *rgb_image = malloc(width * height * 3);
convert_to_rgb(image, rgb_image);
SDL_Surface *img_surface = SDL_CreateRGBSurfaceFrom(rgb_image, width, height, 24, width * 3, mask32(0), mask32(1),
mask32(2), 0);
if (SDL_BlitSurface(img_surface, NULL, screen, NULL) == 0)
SDL_UpdateRect(screen, 0, 0, 0, 0);
/*
SDL_LockYUVOverlay(_phone->video_picture.bmp);
memcpy(_phone->video_picture.bmp->pixels[0], image->planes[VPX_PLANE_Y], _phone->video_picture.bmp->pitches[0] * height);
memcpy(_phone->video_picture.bmp->pixels[1], image->planes[VPX_PLANE_V], _phone->video_picture.bmp->pitches[1] * height / 2);
memcpy(_phone->video_picture.bmp->pixels[2], image->planes[VPX_PLANE_U], _phone->video_picture.bmp->pitches[2] * height / 2);
SDL_Rect rect;
rect.x = 0;
rect.y = 0;
rect.w = width;
rect.h = height;
SDL_DisplayYUVOverlay(_phone->video_picture.bmp, &rect);*/
free(rgb_image);
//display_received_frame(_phone, image);
} //else {
/* TODO: request the sender to create a new i-frame immediatly */
//printf("Bad video packet\n");
//}
//}
usleep(1000);
}
/* clean up codecs */
//av_free(r_video_frame);
//pthread_mutex_lock(&cs->ctrl_mutex);
//avcodec_close(cs->video_decoder_ctx);
//pthread_mutex_unlock(&cs->ctrl_mutex);
_phone->running_decvid = -1;
pthread_exit ( NULL );
}
void*
V4lThread(void* arg)
{
chain_t* v4l_service=NULL;
v4lthread_info_t *info=NULL;
long int skip_counter;
float tmp;
//struct video_picture p;
struct v4l2_format pf;
v4l_service=(chain_t*)arg;
pthread_mutex_lock(&v4l_service->mutex_data);
info=(v4lthread_info_t*)v4l_service->data;
camera_t *cam=v4l_service->camera;
skip_counter=0;
v4l_service->processed_frames=0;
/* These settings depend on the thread. For 100% safe deferred-cancel
threads, I advise you use a custom thread cancel flag. See display thread.*/
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE,NULL);
pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,NULL);
pthread_mutex_unlock(&v4l_service->mutex_data);
// time inits:
v4l_service->prev_time = 0;
v4l_service->prev_period = 0;
v4l_service->drop_warning = 0;
v4l_service->processed_frames=0;
while (1) {
/* Clean cancel handlers */
pthread_mutex_lock(&info->mutex_cancel);
if (info->cancel_req>0) {
break;
}
else {
pthread_mutex_unlock(&info->mutex_cancel);
pthread_mutex_lock(&v4l_service->mutex_data);
if(GetBufferFromPrevious(v4l_service)) { // have buffers been rolled?
// check params
V4lThreadCheckParams(v4l_service);
/* IF we have mono data then set V4L for mono(grey) output */
/* Only do this ONCE before writing the first frame */
if ((v4l_service->current_buffer->frame.color_coding == DC1394_COLOR_CODING_MONO8) && v4l_service->processed_frames==0) {
Warning("Setting V4L device to GREY pix_fmt");
pf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
if (ioctl(info->v4l_dev,VIDIOC_G_FMT,&pf) < 0)
Error("ioctl(VIDIOC_G_FMT) error");
else {
pf.fmt.pix.pixelformat = V4L2_PIX_FMT_GREY;
pf.fmt.pix.sizeimage = v4l_service->current_buffer->frame.size[0]*v4l_service->current_buffer->frame.size[1];
if (ioctl(info->v4l_dev,VIDIOC_S_FMT,&pf) < 0)
Error("ioctl(VIDIOC_S_FMT) Error");
}
}
else if ((v4l_service->current_buffer->frame.color_coding == DC1394_COLOR_CODING_RAW8) && v4l_service->processed_frames==0) {
Warning("Setting V4L device to RGGB pix_fmt");
pf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
if (ioctl(info->v4l_dev,VIDIOC_G_FMT,&pf) < 0)
Error("ioctl(VIDIOC_G_FMT) error");
else {
pf.fmt.pix.pixelformat = V4L2_PIX_FMT_SRGGB8;
pf.fmt.pix.sizeimage = v4l_service->current_buffer->frame.size[0]*v4l_service->current_buffer->frame.size[1];
if (ioctl(info->v4l_dev,VIDIOC_S_FMT,&pf) < 0)
Error("ioctl(VIDIOC_S_FMT) Error");
}
}
else if (v4l_service->processed_frames==0) { // Default is RGB24
Warning("Setting V4L device to RGB24 pix_fmt");
pf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
if (ioctl(info->v4l_dev,VIDIOC_G_FMT,&pf) < 0)
Error("ioctl(VIDIOC_G_FMT) error");
else {
pf.fmt.pix.pixelformat = V4L2_PIX_FMT_RGB24;
pf.fmt.pix.sizeimage = v4l_service->current_buffer->frame.size[0]*v4l_service->current_buffer->frame.size[1]*3;
if (ioctl(info->v4l_dev,VIDIOC_S_FMT,&pf) < 0)
Error("ioctl(VIDIOC_S_FMT) Error");
}
}
// Convert to RGB unless we are using direct GREY palette
if ((v4l_service->current_buffer->frame.color_coding != DC1394_COLOR_CODING_MONO8) &&
(v4l_service->current_buffer->frame.color_coding != DC1394_COLOR_CODING_RAW8)) {
convert_to_rgb(&v4l_service->current_buffer->frame, &info->frame);
//swap_rb(info->frame.image, v4l_service->current_buffer->frame.size[0]*v4l_service->current_buffer->frame.size[1]*3);
}
if (v4l_service->current_buffer->frame.size[0]!=-1) {
if (skip_counter>=(cam->prefs.v4l_period-1)) {
skip_counter=0;
if ((v4l_service->current_buffer->frame.color_coding != DC1394_COLOR_CODING_MONO8) &&
(v4l_service->current_buffer->frame.color_coding != DC1394_COLOR_CODING_RAW8))
write(info->v4l_dev,info->frame.image,v4l_service->current_buffer->frame.size[0]*v4l_service->current_buffer->frame.size[1]*3);
else
write(info->v4l_dev,v4l_service->current_buffer->frame.image,v4l_service->current_buffer->frame.size[0]*v4l_service->current_buffer->frame.size[1]);
v4l_service->processed_frames++;
}
else
skip_counter++;
// FPS computation:
tmp=((float)(v4l_service->current_buffer->frame.timestamp-v4l_service->prev_time))/1000000.0;
if (v4l_service->prev_time==0) {
v4l_service->fps=fabs(0.0);
}
else {
if (tmp==0)
v4l_service->fps=fabs(0.0);
else
v4l_service->fps=fabs(1/tmp);
}
if (v4l_service->prev_time!=0) {
v4l_service->prev_period=tmp;
}
// produce a drop warning if the period difference is over 50%
if (v4l_service->prev_period!=0) {
if (fabs(v4l_service->prev_period-tmp)/(v4l_service->prev_period/2+tmp/2)>=.5)
v4l_service->drop_warning++;
}
v4l_service->prev_time=v4l_service->current_buffer->frame.timestamp;
}
PublishBufferForNext(v4l_service);
pthread_mutex_unlock(&v4l_service->mutex_data);
}
else {
pthread_mutex_unlock(&v4l_service->mutex_data);
}
}
usleep(100);
}
pthread_mutex_unlock(&info->mutex_cancel);
return ((void*)1);
}
int sanei_canon_pp_read_segment(image_segment **dest, scanner_parameters *sp,
scan_parameters *scanp, int scanline_number, int do_adjust,
int scanlines_left)
{
unsigned char *input_buffer = NULL;
image_segment *output_image = NULL;
unsigned char packet_header[4];
unsigned char packet_req_command[10];
int read_data_size;
int scanline_size;
if (scanp->mode == 1) /* RGB */
scanline_size = scanp->width * 3.75;
else /* Greyscale */
scanline_size = scanp->width * 1.25;
read_data_size = scanline_size * scanline_number;
/* Allocate output_image struct */
if ((output_image = malloc(sizeof(*output_image))) == NULL)
{
DBG(1, "read_segment: Error: Not enough memory for scanner "
"input buffer\n");
goto error_out;
}
/* Allocate memory for input buffer */
if ((input_buffer = malloc(scanline_size * scanline_number)) == NULL)
{
DBG(1, "read_segment: Error: Not enough memory for scanner "
"input buffer\n");
goto error_out;
}
output_image->width = scanp->width;
output_image->height = scanline_number;
/* Allocate memory for dest image segment */
output_image->image_data =
malloc(output_image->width * output_image->height *
(scanp->mode ? 3 : 1) * 2);
if (output_image->image_data == NULL)
{
DBG(1, "read_segment: Error: Not enough memory for "
"image data\n");
goto error_out;
}
/* Set up packet request command */
memcpy(packet_req_command, cmd_packet_req, 10);
packet_req_command[7] = ((read_data_size + 4) & 0xFF00) >> 8;
packet_req_command[8] = (read_data_size + 4) & 0xFF;
/* Send packet req. and wait for the scanner's READY signal */
if (send_command(sp->port, packet_req_command, 10, 9000, 2000000))
{
DBG(1, "read_segment: Error: didn't get response within 2s "
"of sending request");
goto error_out;
}
/* Read packet header */
if (sanei_canon_pp_read(sp->port, 4, packet_header))
{
DBG(1, "read_segment: Error reading packet header\n");
goto error_out;
}
if ((packet_header[2]<<8) + packet_header[3] != read_data_size)
{
DBG(1, "read_segment: Error: Expected data size: %i bytes.\n",
read_data_size);
DBG(1, "read_segment: Expecting %i bytes times %i "
"scanlines.\n", scanline_size, scanline_number);
DBG(1, "read_segment: Actual data size: %i bytes.\n",
(packet_header[2] << 8) + packet_header[3]);
goto error_out;
}
/* Read scanlines_this_packet scanlines into the input buf */
if (sanei_canon_pp_read(sp->port, read_data_size, input_buffer))
{
DBG(1, "read_segment: Segment read incorrectly, and we don't "
"know how to recover.\n");
goto error_out;
}
/* This is the only place we can abort safely -
* between reading one segment and requesting the next one. */
if (sp->abort_now) goto error_out;
if (scanlines_left >= (scanline_number * 2))
{
DBG(100, "read_segment: Speculatively starting more scanning "
"(%d left)\n", scanlines_left);
sanei_canon_pp_write(sp->port, 10, packet_req_command);
/* Don't read status, it's unlikely to be ready *just* yet */
}
DBG(100, "read_segment: Convert to RGB\n");
/* Convert data */
convert_to_rgb(output_image, input_buffer, scanp->width,
scanline_number, scanp->mode);
/* Adjust pixel readings according to calibration data */
if (do_adjust) {
DBG(100, "read_segment: Adjust output\n");
adjust_output(output_image, scanp, sp);
}
/* output */
*dest = output_image;
/* finished with this now */
free(input_buffer);
return 0;
error_out:
if (output_image && output_image->image_data)
free(output_image->image_data);
if (output_image) free(output_image);
if (input_buffer) free(input_buffer);
sp->abort_now = 0;
return -1;
}
SANE_Status
sane_read (SANE_Handle handle, SANE_Byte * data,
SANE_Int max_length, SANE_Int * length)
{
struct hp5590_scanner *scanner = handle;
SANE_Status ret;
DBG (DBG_proc, "%s, length %u, left %u\n",
__FUNCTION__,
max_length,
scanner->transferred_image_size);
if (!length)
{
scanner->scanning = SANE_FALSE;
return SANE_STATUS_INVAL;
}
if (scanner->transferred_image_size == 0)
{
*length = 0;
DBG (DBG_verbose, "Setting scan count\n");
ret = hp5590_inc_scan_count (scanner->dn, scanner->proto_flags);
if (ret != SANE_STATUS_GOOD)
return ret;
/* Dont free bulk read state, some bytes could be left
* for the next images from ADF
*/
return SANE_STATUS_EOF;
}
if (!scanner->bulk_read_state)
{
ret = hp5590_low_init_bulk_read_state (&scanner->bulk_read_state);
if (ret != SANE_STATUS_GOOD)
{
scanner->scanning = SANE_FALSE;
return ret;
}
}
*length = max_length;
if (*length > scanner->transferred_image_size)
*length = scanner->transferred_image_size;
if ( scanner->depth == DEPTH_COLOR_24
|| scanner->depth == DEPTH_COLOR_48)
{
unsigned int bytes_per_line;
ret = calc_image_params (scanner,
NULL, NULL,
&bytes_per_line,
NULL, NULL);
if (ret != SANE_STATUS_GOOD)
return ret;
*length -= *length % bytes_per_line;
DBG (2, "Aligning requested size to bytes per line "
"(requested: %u, aligned: %u)\n",
max_length, *length);
}
ret = hp5590_read (scanner->dn, scanner->proto_flags,
data, *length, scanner->bulk_read_state);
if (ret != SANE_STATUS_GOOD)
{
scanner->scanning = SANE_FALSE;
return ret;
}
scanner->transferred_image_size -= *length;
ret = convert_to_rgb (scanner, data, *length);
if (ret != SANE_STATUS_GOOD)
{
scanner->scanning = SANE_FALSE;
return ret;
}
ret = convert_lineart (scanner, data, *length);
if (ret != SANE_STATUS_GOOD)
return ret;
return SANE_STATUS_GOOD;
}
