int set_rawbuflen(unsigned int gt)
{
char lbl[200];
raw_tape=(unsigned char *)malloc(gt*1024000);
if(raw_tape==NULL)
{
gui_error("Couldn't Allocate enough Memory for the TAPE buffer");
raw_tape=(unsigned char *)malloc(1000000);
if(raw_tape==NULL)
{
gui_error("Couldn't Allocate enough Memory for ANY tape buffer :(");
}
else
raw_buflen=1000000;
}
raw_buflen=gt*1024000;
// sprintf(lbl,"Allocated tape buffer - %x",raw_buflen);
// MessageBox(NULL,lbl,"PALE ",MB_OK );
return(0);
}
int load_raw(char fnam[])
{
FILE *handle;
int ret,errorr,g,h;
int size_read,size_written;
int cdd,f;
char lbl[200];
handle=fopen( fnam, "rb" );
if( handle != NULL )
{
raw_samples = fread(raw_tape,1,raw_buflen,handle);
fclose( handle );
if( raw_samples == -1 )
{
gui_error(":( Couldn't Read the Input file");
return(1);
}
}
else
{
gui_error(":( Couldn't Read the Input file");
return(1);
}
raw_position=0;
if(raw_samples==raw_buflen)
gui_error("RAW file too big");
return(raw_samples);
}
static void default_hash_funcs(void)
{
// Some funcs could already be enabled by cmdline arg
if (hash_funcs_count_enabled())
return;
bool has_enabled = false;
// Try to enable default functions
for (int i = 0; i < HASH_FUNCS_N; i++) {
if (HASH_FUNC_IS_DEFAULT(i) && hash.funcs[i].supported) {
gtk_toggle_button_set_active(gui.hash_widgets[i].button, true);
has_enabled = true;
}
}
if (has_enabled)
return;
// Try to enable any supported function
for (int i = 0; i < HASH_FUNCS_N; i++) {
if (hash.funcs[i].supported) {
gtk_toggle_button_set_active(gui.hash_widgets[i].button, true);
return;
}
}
gui_error(_("Failed to enable any supported hash functions."));
exit(EXIT_FAILURE);
}
G_MODULE_EXPORT void gui_preferences_apply(GtkWidget *widget,gui_gd_t *gd) {
gui_preferences_gui2data(gd,&gd->preferences.current);
if (gui_preferences_save("config.ini",&gd->preferences.current)==-1) {
gui_error(gd,"Saving","Could not save preferences");
}
if (gui_preferences_upload(&gd->preferences.current)==-1) {
if (nxtcam_com_is_connected()) {
gui_error(gd,"Uploading","Can not upload preferences to NXTCam.");
}
else {
gui_warning(gd,"Not connected","NXTCam is not connected, so preferences are not uploaded.");
}
}
}
void
fb_shuffle(int shuffle)
{
char **item, *tmp;
int i, j, k, n;
if (shuffle)
mvpw_set_menu_title(playlist_widget, "Shuffle Play");
else
mvpw_set_menu_title(playlist_widget, "Play All");
item = alloca(sizeof(char*) * MAX_PLAYLIST_ENTRIES);
// Recurse from the current directory and find all
// audio files
n = 0;
recurse_find_audio(cwd, item, &n);
if (n == 0) {
gui_error("No audio files exist in this directory or its subdirectories");
return;
}
if (shuffle && (n > 1)) {
for (i=0; i < MAX_PLAYLIST_ENTRIES; i++) {
j = rand() % n;
k = rand() % n;
tmp = item[k];
item[k] = item[j];
item[j] = tmp;
}
}
printf("created playlist of %d songs\n", n);
switch_hw_state(MVPMC_STATE_FILEBROWSER);
video_functions = &file_functions;
playlist_clear();
mvpw_show(playlist_widget);
mvpw_focus(playlist_widget);
playlist_create(item, n);
// Release the list of items
for (i = 0; i < n; i++)
free(item[i]);
if (shuffle)
mvpw_set_text_str(fb_name, "Shuffle Play");
else
mvpw_set_text_str(fb_name, "Play All");
mvpw_show(fb_progress);
mvpw_set_timer(fb_progress, fb_osd_update, 500);
playlist_play(NULL);
}
int set_raw_samprate(unsigned int gt)
{
raw_sample_rate=gt;
if ((raw_sample_rate<BASE_SAMPLE_RATE) || (raw_sample_rate>100000))
{
gui_error("Invalid Sample Rate");
raw_sample_rate=BASE_SAMPLE_RATE;
}
return(0);
}
int set_raw_buflen(int gt)
{
if(tape_operation!=TAPE_STOPPED || tape_override==FORCE_PLAY || tape_override==FORCE_RECORD )
{
gui_error("STOP the tape before changing Buffer Length");
return(0);
}
free(raw_tape);
set_rawbuflen(gt);
return(0);
}
static void va_log_message(enum log_priority priority, const char *fmt, va_list args)
{
SDL_LogPriority sdl_priority;
int size;
char *buffer;
va_list temp;
if (priority >= LOG_PRIORITY_NUM_PRIORITIES)
priority = LOG_PRIORITY_INFO;
sdl_priority = priority_info[priority].sdl_priority;
va_copy(temp, args);
size = vsnprintf(NULL, 0, fmt, temp) + 1;
va_end(temp);
buffer = NULL;
if (size) {
buffer = malloc(size);
if (!buffer)
return;
}
va_copy(temp, args);
vsnprintf(buffer, size, fmt, temp);
va_end(temp);
#if GUI_ENABLED
if (gui_enabled && (priority == LOG_PRIORITY_ERROR)) {
gui_error(buffer);
}
#endif
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, sdl_priority, buffer, "");
free(buffer);
}
int save_raw(char fnam[])
{
FILE *handle;
FILE *handle2;
int size_written,size_read,ret;
/* open a file for output */
handle2 = fopen( fnam,"wb");
if( handle2 != NULL )
{
size_written = fwrite(raw_tape,1,raw_position,handle2 );
fclose( handle2 );
}
else
{
gui_error(":( Couldn't Open output file");
return(1);
}
raw_position=0;
return(0);
}
int load_wav(char fnam[])
{
FILE * handle,handle2;
unsigned int wav_length,f;
unsigned int leng,size_written,size_read,ret;
char lbl[200];
handle=fopen( fnam, "rb" );
if( handle != NULL )
{
size_read = fread(raw_tape,1,raw_buflen,handle);
fclose( handle );
if( size_read == -1 )
{
gui_error(":( Couldn't Read the Input file");
return(1);
}
}
else
{
gui_error(":( Couldn't Read the Input file");
return(1);
}
raw_position=0;
//sprintf(lbl,"Size Read was %d",size_read);
//gui_error(lbl);
if(size_read==raw_buflen)
gui_error("WAV file too big");
//raw_tape[5]=0;
//sprintf(lbl,"Header %s",raw_tape);
//MessageBox(NULL,lbl,"PALE ",MB_YESNOCANCEL | MB_DEFBUTTON1);
if(raw_tape[0]!='R')
{
gui_error(":( NOT A standard RIFF WAV file");
return(1);
}
//Build Header Info
raw_samples=((int)raw_tape[43]<<(3*8))+(int)raw_tape[42]<<(2*8)+((int)raw_tape[41]<<8)+((int)raw_tape[40]);
//sprintf(lbl,"T43 = %x 42=%x 41=%x 40=%x Samples was %d",raw_tape[43],raw_tape[42],raw_tape[41],raw_tape[40],raw_samples);
//gui_error(lbl);
//sprintf(lbl,"T43 = %x 42=%x 41=%x ",raw_tape[43],raw_tape[42],raw_tape[41]);
//ret=MessageBox(NULL,lbl,"PALE Load WAV",MB_ICONERROR | MB_OK);
if(raw_tape[20]!=0x01)
{
gui_error("This looks like stereo, I expected MONO");
return(1);
}
raw_sample_rate=(raw_tape[26]<<(2*8))+(raw_tape[25]<<8)+raw_tape[24];
//sprintf(lbl,"T26 = %x 25=%x 24=%x ",raw_tape[26],raw_tape[25],raw_tape[24]);
//ret=MessageBox(NULL,lbl,"PALE Load WAV",MB_ICONERROR | MB_OK);
//sprintf(lbl,"IN DLL Sample Rate = %x",raw_sample_rate);
//ret=MessageBox(NULL,lbl,"PALE Load WAV",MB_ICONERROR | MB_OK);
if(raw_tape[36]!='d')
{
gui_error(":( Couldn't find the WAV data segment");
return(1);
}
//now copy the data down into the first bit
for(f=0;f<raw_samples;f++)
raw_tape[f]=raw_tape[f+44];
return(raw_samples);
}
int save_wav(char fnam[])
{
FILE *handle;
FILE *handle2;
unsigned int leng,size_written,size_read,ret;
char t_head[WAV_HEADER_LENGTH];
//Build Header Info
t_head[0]='R';t_head[1]='I';t_head[2]='F';t_head[3]='F';
leng=WAV_HEADER_LENGTH+raw_position-8;
// t_head[4]=leng>>(3*8);
// t_head[5]=leng>>(2*8);
// t_head[6]=leng>>8;
// t_head[7]=leng;
t_head[4]=leng;
t_head[5]=leng>>8;
t_head[6]=leng>>(2*8);
t_head[7]=leng>>(3*8);
t_head[8]='W';t_head[9]='A';t_head[10]='V';t_head[11]='E';
t_head[12]='f';t_head[13]='m';t_head[14]='t';t_head[15]=' ';
t_head[16]=0x10;//leng of format chunk always 0x10
t_head[17]=0;
t_head[18]=0;
t_head[19]=0;
t_head[20]=0x01;//channels
t_head[21]=0;
t_head[22]=0x01;//audio format always 0x01
t_head[23]=0;
t_head[24]=raw_sample_rate; //0x22;//22050 hertz
t_head[25]=raw_sample_rate>>8; //0x56;
t_head[26]=raw_sample_rate>>(2*8);
t_head[27]=0;
t_head[28]=raw_sample_rate; // 0x22;//bytes per sec
t_head[29]=raw_sample_rate>>8; // 0x56;
t_head[30]=raw_sample_rate>>(2*8);
t_head[31]=0;
t_head[32]=0x01;//bytes per sample
t_head[33]=0;
t_head[34]=0x08;//bits per sample
t_head[35]=0;
t_head[36]='d';t_head[37]='a';t_head[38]='t';t_head[39]='a';
t_head[40]=raw_position;
t_head[41]=raw_position>>8;
t_head[42]=raw_position>>(2*8);
t_head[43]=raw_position>>(3*8);
/* open a file for output */
handle2 = fopen( fnam,"wb");
if( handle2 != NULL )
{
size_written = fwrite(t_head,1,WAV_HEADER_LENGTH,handle2 );
size_written = fwrite(raw_tape,1,raw_position, handle2 );
fclose( handle2 );
}
else
{
gui_error(":( Couldn't Open output file");
return(1);
}
return(0);
}
/*
* capture loop (should run in a separate thread)
* args:
* data - pointer to user data (device data + options data)
*
* asserts:
* device data is not null
*
* returns: pointer to return code
*/
void *capture_loop(void *data)
{
capture_loop_data_t *cl_data = (capture_loop_data_t *) data;
v4l2_dev_t *device = (v4l2_dev_t *) cl_data->device;
options_t *my_options = (options_t *) cl_data->options;
//config_t *my_config = (config_t *) cl_data->config;
uint64_t my_last_photo_time = 0; /*timer count*/
int my_photo_npics = 0;/*no npics*/
/*asserts*/
assert(device != NULL);
/*reset quit flag*/
quit = 0;
if(debug_level > 1)
printf("GUVCVIEW: capture thread (tid: %u)\n",
(unsigned int) syscall (SYS_gettid));
int ret = 0;
int render_flags = 0;
if (strcasecmp(my_options->render_flag, "full") == 0)
render_flags = 1;
else if (strcasecmp(my_options->render_flag, "max") == 0)
render_flags = 2;
render_set_verbosity(debug_level);
if(render_init(render, device->format.fmt.pix.width, device->format.fmt.pix.height, render_flags) < 0)
render = RENDER_NONE;
else
{
render_set_event_callback(EV_QUIT, &quit_callback, NULL);
render_set_event_callback(EV_KEY_V, &key_V_callback, device);
render_set_event_callback(EV_KEY_I, &key_I_callback, NULL);
render_set_event_callback(EV_KEY_UP, &key_UP_callback, device);
render_set_event_callback(EV_KEY_DOWN, &key_DOWN_callback, device);
render_set_event_callback(EV_KEY_LEFT, &key_LEFT_callback, device);
render_set_event_callback(EV_KEY_RIGHT, &key_RIGHT_callback, device);
}
/*add a video capture timer*/
if(my_options->video_timer > 0)
{
my_video_timer = NSEC_PER_SEC * my_options->video_timer;
my_video_begin_time = v4l2core_time_get_timestamp(); /*timer count*/
/*if are not saving video start it*/
if(!get_encoder_status())
start_encoder_thread(device);
}
/*add a photo capture timer*/
if(my_options->photo_timer > 0)
{
my_photo_timer = NSEC_PER_SEC * my_options->photo_timer;
my_last_photo_time = v4l2core_time_get_timestamp(); /*timer count*/
}
if(my_options->photo_npics > 0)
my_photo_npics = my_options->photo_npics;
v4l2core_start_stream(device);
while(!quit)
{
if(restart)
{
restart = 0; /*reset*/
v4l2core_stop_stream(device);
/*close render*/
render_close();
v4l2core_clean_buffers(device);
/*try new format (values prepared by the request callback)*/
ret = v4l2core_update_current_format(device);
/*try to set the video stream format on the device*/
if(ret != E_OK)
{
fprintf(stderr, "GUCVIEW: could not set the defined stream format\n");
fprintf(stderr, "GUCVIEW: trying first listed stream format\n");
v4l2core_prepare_valid_format(device);
v4l2core_prepare_valid_resolution(device);
ret = v4l2core_update_current_format(device);
if(ret != E_OK)
{
fprintf(stderr, "GUCVIEW: also could not set the first listed stream format\n");
gui_error(device, "Guvcview error", "could not start a video stream in the device", 1);
return ((void *) -1);
}
}
/*restart the render with new format*/
if(render_init(render, device->format.fmt.pix.width, device->format.fmt.pix.height, render_flags) < 0)
render = RENDER_NONE;
else
{
render_set_event_callback(EV_QUIT, &quit_callback, NULL);
render_set_event_callback(EV_KEY_V, &key_V_callback, device);
render_set_event_callback(EV_KEY_I, &key_I_callback, NULL);
render_set_event_callback(EV_KEY_UP, &key_UP_callback, device);
render_set_event_callback(EV_KEY_DOWN, &key_DOWN_callback, device);
render_set_event_callback(EV_KEY_LEFT, &key_LEFT_callback, device);
render_set_event_callback(EV_KEY_RIGHT, &key_RIGHT_callback, device);
}
if(debug_level > 0)
printf("GUVCVIEW: reset to pixelformat=%x width=%i and height=%i\n", device->requested_fmt, device->format.fmt.pix.width, device->format.fmt.pix.height);
v4l2core_start_stream(device);
}
if( v4l2core_get_frame(device) == E_OK)
{
/*decode the raw frame*/
if(v4l2core_frame_decode(device) != E_OK)
{
fprintf(stderr, "GUVCIEW: Error - Couldn't decode frame\n");
}
/*run software autofocus (must be called after frame_decode)*/
if(do_soft_autofocus || do_soft_focus)
do_soft_focus = v4l2core_soft_autofocus_run(device);
/*render the decoded frame*/
snprintf(render_caption, 29, "Guvcview (%2.2f fps)", v4l2core_get_realfps());
render_set_caption(render_caption);
render_frame(device->yuv_frame, my_render_mask);
/* Save frame to file */
char filename[50];
sprintf(filename, "/home/cobra/Desktop/frame/%d", device->frame_index);
save_image_bmp(device, filename);
if(check_photo_timer())
{
if((device->timestamp - my_last_photo_time) > my_photo_timer)
{
save_image = 1;
my_last_photo_time = device->timestamp;
if(my_options->photo_npics > 0)
{
if(my_photo_npics > 0)
my_photo_npics--;
else
stop_photo_timer(); /*close timer*/
}
}
}
if(check_video_timer())
{
if((device->timestamp - my_video_begin_time) > my_video_timer)
stop_video_timer(device);
}
if(save_image)
{
char *img_filename = NULL;
/*get_photo_[name|path] always return a non NULL value*/
char *name = strdup(get_photo_name());
char *path = strdup(get_photo_path());
if(get_photo_sufix_flag())
{
char *new_name = add_file_suffix(path, name);
free(name); /*free old name*/
name = new_name; /*replace with suffixed name*/
}
int pathsize = strlen(path);
if(path[pathsize] != '/')
img_filename = smart_cat(path, '/', name);
else
img_filename = smart_cat(path, 0, name);
//if(debug_level > 1)
// printf("GUVCVIEW: saving image to %s\n", img_filename);
snprintf(status_message, 79, _("saving image to %s"), img_filename);
gui_status_message(status_message);
v4l2core_save_image(device, img_filename, get_photo_format());
free(path);
free(name);
free(img_filename);
save_image = 0; /*reset*/
}
if(video_capture_get_save_video())
{
#ifdef USE_PLANAR_YUV
int size = (device->format.fmt.pix.width * device->format.fmt.pix.height * 3) / 2;
#else
int size = device->format.fmt.pix.width * device->format.fmt.pix.height * 2;
#endif
uint8_t *input_frame = device->yuv_frame;
/*
* TODO: check codec_id, format and frame flags
* (we may want to store a compressed format
*/
if(get_video_codec_ind() == 0)
{
switch(device->requested_fmt)
{
case V4L2_PIX_FMT_H264:
input_frame = device->h264_frame;
size = (int) device->h264_frame_size;
break;
default:
input_frame = device->raw_frame;
size = (int) device->raw_frame_size;
break;
}
}
encoder_add_video_frame(input_frame, size, device->timestamp, device->isKeyframe);
/*
* exponencial scheduler
* with 50% threshold (nanosec)
* and max value of 250 ms (4 fps)
*/
int time_sched = encoder_buff_scheduler(ENCODER_SCHED_EXP, 0.5, 250);
if(time_sched > 0)
{
switch(device->requested_fmt)
{
case V4L2_PIX_FMT_H264:
{
uint32_t framerate = time_sched; /*nanosec*/
v4l2core_set_h264_frame_rate_config(device, framerate);
break;
}
default:
{
struct timespec req = {
.tv_sec = 0,
.tv_nsec = time_sched};/*nanosec*/
nanosleep(&req, NULL);
break;
}
}
}
}
/*we are done with the frame buffer release it*/
v4l2core_release_frame(device);
}
}
v4l2core_stop_stream(device);
render_close();
return ((void *) 0);
}
/*
* start the encoder thread
* args:
* data - pointer to user data
*
* asserts:
* none
*
* returns: error code
*/
int start_encoder_thread(void *data)
{
int ret = __THREAD_CREATE(&encoder_thread, encoder_loop, data);
if(ret)
fprintf(stderr, "GUVCVIEW: encoder thread creation failed (%i)\n", ret);
else if(debug_level > 2)
printf("GUVCVIEW: created encoder thread with tid: %u\n",
(unsigned int) encoder_thread);
return ret;
}
/*
* encoder loop (should run in a separate thread)
* args:
* data - pointer to user data
*
* asserts:
* none
*
* returns: pointer to return code
*/
static void *encoder_loop(void *data)
{
my_encoder_status = 1;
if(debug_level > 1)
printf("GUVCVIEW: encoder thread (tid: %u)\n",
(unsigned int) syscall (SYS_gettid));
/*get the audio context*/
audio_context_t *audio_ctx = get_audio_context();
__THREAD_TYPE encoder_audio_thread;
int channels = 0;
int samprate = 0;
if(audio_ctx)
{
channels = audio_ctx->channels;
samprate = audio_ctx->samprate;
}
if(debug_level > 0)
printf("GUVCVIEW: audio [channels= %i; samprate= %i] \n",
channels, samprate);
/*create the encoder context*/
encoder_context_t *encoder_ctx = encoder_get_context(
v4l2core_get_requested_frame_format(),
get_video_codec_ind(),
get_audio_codec_ind(),
get_video_muxer(),
v4l2core_get_frame_width(),
v4l2core_get_frame_height(),
v4l2core_get_fps_num(),
v4l2core_get_fps_denom(),
channels,
samprate);
/*store external SPS and PPS data if needed*/
if(encoder_ctx->video_codec_ind == 0 && /*raw - direct input*/
v4l2core_get_requested_frame_format() == V4L2_PIX_FMT_H264)
{
/*request a IDR (key) frame*/
v4l2core_h264_request_idr();
if(debug_level > 0)
printf("GUVCVIEW: storing external pps and sps data in encoder context\n");
encoder_ctx->h264_pps_size = v4l2core_get_h264_pps_size();
if(encoder_ctx->h264_pps_size > 0)
{
encoder_ctx->h264_pps = calloc(encoder_ctx->h264_pps_size, sizeof(uint8_t));
if(encoder_ctx->h264_pps == NULL)
{
fprintf(stderr,"GUVCVIEW: FATAL memory allocation failure (encoder_loop): %s\n", strerror(errno));
exit(-1);
}
memcpy(encoder_ctx->h264_pps, v4l2core_get_h264_pps(), encoder_ctx->h264_pps_size);
}
encoder_ctx->h264_sps_size = v4l2core_get_h264_sps_size();
if(encoder_ctx->h264_sps_size > 0)
{
encoder_ctx->h264_sps = calloc(encoder_ctx->h264_sps_size, sizeof(uint8_t));
if(encoder_ctx->h264_sps == NULL)
{
fprintf(stderr,"GUVCVIEW: FATAL memory allocation failure (encoder_loop): %s\n", strerror(errno));
exit(-1);
}
memcpy(encoder_ctx->h264_sps, v4l2core_get_h264_sps(), encoder_ctx->h264_sps_size);
}
}
uint32_t current_framerate = 0;
if(v4l2core_get_requested_frame_format() == V4L2_PIX_FMT_H264)
{
/* store framerate since it may change due to scheduler*/
current_framerate = v4l2core_get_h264_frame_rate_config();
}
char *video_filename = NULL;
/*get_video_[name|path] always return a non NULL value*/
char *name = strdup(get_video_name());
char *path = strdup(get_video_path());
if(get_video_sufix_flag())
{
char *new_name = add_file_suffix(path, name);
free(name); /*free old name*/
name = new_name; /*replace with suffixed name*/
}
int pathsize = strlen(path);
if(path[pathsize] != '/')
video_filename = smart_cat(path, '/', name);
else
video_filename = smart_cat(path, 0, name);
snprintf(status_message, 79, _("saving video to %s"), video_filename);
gui_status_message(status_message);
/*muxer initialization*/
encoder_muxer_init(encoder_ctx, video_filename);
/*start video capture*/
video_capture_save_video(1);
int treshold = 102400; /*100 Mbytes*/
int64_t last_check_pts = 0; /*last pts when disk supervisor called*/
/*start audio processing thread*/
if(encoder_ctx->enc_audio_ctx != NULL && audio_ctx->channels > 0)
{
if(debug_level > 1)
printf("GUVCVIEW: starting encoder audio thread\n");
int ret = __THREAD_CREATE(&encoder_audio_thread, audio_processing_loop, (void *) encoder_ctx);
if(ret)
fprintf(stderr, "GUVCVIEW: encoder audio thread creation failed (%i)\n", ret);
else if(debug_level > 2)
printf("GUVCVIEW: created audio encoder thread with tid: %u\n",
(unsigned int) encoder_audio_thread);
}
while(video_capture_get_save_video())
{
/*process the video buffer*/
if(encoder_process_next_video_buffer(encoder_ctx) > 0)
{
/*
* no buffers to process
* sleep a couple of milisec
*/
struct timespec req = {
.tv_sec = 0,
.tv_nsec = 1000000};/*nanosec*/
nanosleep(&req, NULL);
}
/*disk supervisor*/
if(encoder_ctx->enc_video_ctx->pts - last_check_pts > 2 * NSEC_PER_SEC)
{
last_check_pts = encoder_ctx->enc_video_ctx->pts;
if(!encoder_disk_supervisor(treshold, path))
{
/*stop capture*/
gui_set_video_capture_button_status(0);
}
}
}
/*flush the video buffer*/
encoder_flush_video_buffer(encoder_ctx);
/*make sure the audio processing thread has stopped*/
if(encoder_ctx->enc_audio_ctx != NULL && audio_ctx->channels > 0)
{
if(debug_level > 1)
printf("GUVCVIEW: join encoder audio thread\n");
__THREAD_JOIN(encoder_audio_thread);
}
/*close the muxer*/
encoder_muxer_close(encoder_ctx);
/*close the encoder context (clean up)*/
encoder_close(encoder_ctx);
if(v4l2core_get_requested_frame_format() == V4L2_PIX_FMT_H264)
{
/* restore framerate */
v4l2core_set_h264_frame_rate_config(current_framerate);
}
/*clean string*/
free(video_filename);
free(path);
free(name);
my_encoder_status = 0;
return ((void *) 0);
}
/*
* capture loop (should run in a separate thread)
* args:
* data - pointer to user data (options data)
*
* asserts:
* none
*
* returns: pointer to return code
*/
void *capture_loop(void *data)
{
capture_loop_data_t *cl_data = (capture_loop_data_t *) data;
options_t *my_options = (options_t *) cl_data->options;
//config_t *my_config = (config_t *) cl_data->config;
uint64_t my_last_photo_time = 0; /*timer count*/
int my_photo_npics = 0;/*no npics*/
/*reset quit flag*/
quit = 0;
if(debug_level > 1)
printf("GUVCVIEW: capture thread (tid: %u)\n",
(unsigned int) syscall (SYS_gettid));
int ret = 0;
int render_flags = 0;
if (strcasecmp(my_options->render_flag, "full") == 0)
render_flags = 1;
else if (strcasecmp(my_options->render_flag, "max") == 0)
render_flags = 2;
render_set_verbosity(debug_level);
if(render_init(render, v4l2core_get_frame_width(), v4l2core_get_frame_height(), render_flags) < 0)
render = RENDER_NONE;
else
{
render_set_event_callback(EV_QUIT, &quit_callback, NULL);
render_set_event_callback(EV_KEY_V, &key_V_callback, NULL);
render_set_event_callback(EV_KEY_I, &key_I_callback, NULL);
render_set_event_callback(EV_KEY_UP, &key_UP_callback, NULL);
render_set_event_callback(EV_KEY_DOWN, &key_DOWN_callback, NULL);
render_set_event_callback(EV_KEY_LEFT, &key_LEFT_callback, NULL);
render_set_event_callback(EV_KEY_RIGHT, &key_RIGHT_callback, NULL);
}
/*add a video capture timer*/
if(my_options->video_timer > 0)
{
my_video_timer = NSEC_PER_SEC * my_options->video_timer;
my_video_begin_time = v4l2core_time_get_timestamp(); /*timer count*/
/*if are not saving video start it*/
if(!get_encoder_status())
start_encoder_thread();
}
/*add a photo capture timer*/
if(my_options->photo_timer > 0)
{
my_photo_timer = NSEC_PER_SEC * my_options->photo_timer;
my_last_photo_time = v4l2core_time_get_timestamp(); /*timer count*/
}
if(my_options->photo_npics > 0)
my_photo_npics = my_options->photo_npics;
v4l2core_start_stream();
v4l2_frame_buff_t *frame = NULL; //pointer to frame buffer
while(!quit)
{
if(restart)
{
restart = 0; /*reset*/
v4l2core_stop_stream();
/*close render*/
render_close();
v4l2core_clean_buffers();
/*try new format (values prepared by the request callback)*/
ret = v4l2core_update_current_format();
/*try to set the video stream format on the device*/
if(ret != E_OK)
{
fprintf(stderr, "GUCVIEW: could not set the defined stream format\n");
fprintf(stderr, "GUCVIEW: trying first listed stream format\n");
v4l2core_prepare_valid_format();
v4l2core_prepare_valid_resolution();
ret = v4l2core_update_current_format();
if(ret != E_OK)
{
fprintf(stderr, "GUCVIEW: also could not set the first listed stream format\n");
gui_error("Guvcview error", "could not start a video stream in the device", 1);
return ((void *) -1);
}
}
/*restart the render with new format*/
if(render_init(render, v4l2core_get_frame_width(), v4l2core_get_frame_height(), render_flags) < 0)
render = RENDER_NONE;
else
{
render_set_event_callback(EV_QUIT, &quit_callback, NULL);
render_set_event_callback(EV_KEY_V, &key_V_callback, NULL);
render_set_event_callback(EV_KEY_I, &key_I_callback, NULL);
render_set_event_callback(EV_KEY_UP, &key_UP_callback, NULL);
render_set_event_callback(EV_KEY_DOWN, &key_DOWN_callback, NULL);
render_set_event_callback(EV_KEY_LEFT, &key_LEFT_callback, NULL);
render_set_event_callback(EV_KEY_RIGHT, &key_RIGHT_callback, NULL);
}
if(debug_level > 0)
printf("GUVCVIEW: reset to pixelformat=%x width=%i and height=%i\n", v4l2core_get_requested_frame_format(), v4l2core_get_frame_width(), v4l2core_get_frame_height());
v4l2core_start_stream();
}
frame = v4l2core_get_decoded_frame();
if( frame != NULL)
{
/*run software autofocus (must be called after frame was grabbed and decoded)*/
if(do_soft_autofocus || do_soft_focus)
do_soft_focus = v4l2core_soft_autofocus_run(frame);
/*render the decoded frame*/
snprintf(render_caption, 29, "Guvcview (%2.2f fps)", v4l2core_get_realfps());
render_set_caption(render_caption);
render_frame(frame->yuv_frame, my_render_mask);
if(check_photo_timer())
{
if((frame->timestamp - my_last_photo_time) > my_photo_timer)
{
save_image = 1;
my_last_photo_time = frame->timestamp;
if(my_options->photo_npics > 0)
{
if(my_photo_npics > 0)
my_photo_npics--;
else
stop_photo_timer(); /*close timer*/
}
}
}
if(check_video_timer())
{
if((frame->timestamp - my_video_begin_time) > my_video_timer)
stop_video_timer();
}
if(save_image)
{
char *img_filename = NULL;
/*get_photo_[name|path] always return a non NULL value*/
char *name = strdup(get_photo_name());
char *path = strdup(get_photo_path());
if(get_photo_sufix_flag())
{
char *new_name = add_file_suffix(path, name);
free(name); /*free old name*/
name = new_name; /*replace with suffixed name*/
}
int pathsize = strlen(path);
if(path[pathsize] != '/')
img_filename = smart_cat(path, '/', name);
else
img_filename = smart_cat(path, 0, name);
//if(debug_level > 1)
// printf("GUVCVIEW: saving image to %s\n", img_filename);
snprintf(status_message, 79, _("saving image to %s"), img_filename);
gui_status_message(status_message);
v4l2core_save_image(frame, img_filename, get_photo_format());
free(path);
free(name);
free(img_filename);
save_image = 0; /*reset*/
}
if(video_capture_get_save_video())
{
#ifdef USE_PLANAR_YUV
int size = (v4l2core_get_frame_width() * v4l2core_get_frame_height() * 3) / 2;
#else
int size = v4l2core_get_frame_width() * v4l2core_get_frame_height() * 2;
#endif
uint8_t *input_frame = frame->yuv_frame;
/*
* TODO: check codec_id, format and frame flags
* (we may want to store a compressed format
*/
if(get_video_codec_ind() == 0) //raw frame
{
switch(v4l2core_get_requested_frame_format())
{
case V4L2_PIX_FMT_H264:
input_frame = frame->h264_frame;
size = (int) frame->h264_frame_size;
break;
default:
input_frame = frame->raw_frame;
size = (int) frame->raw_frame_size;
break;
}
}
encoder_add_video_frame(input_frame, size, frame->timestamp, frame->isKeyframe);
/*
* exponencial scheduler
* with 50% threshold (nanosec)
* and max value of 250 ms (4 fps)
*/
int time_sched = encoder_buff_scheduler(ENCODER_SCHED_EXP, 0.5, 250);
if(time_sched > 0)
{
switch(v4l2core_get_requested_frame_format())
{
case V4L2_PIX_FMT_H264:
{
uint32_t framerate = time_sched; /*nanosec*/
v4l2core_set_h264_frame_rate_config(framerate);
break;
}
default:
{
struct timespec req = {
.tv_sec = 0,
.tv_nsec = time_sched};/*nanosec*/
nanosleep(&req, NULL);
break;
}
}
}
}
/*we are done with the frame buffer release it*/
v4l2core_release_frame(frame);
}
}
v4l2core_stop_stream();
/*if we are still saving video then stop it*/
if(video_capture_get_save_video())
stop_encoder_thread();
render_close();
return ((void *) 0);
}
/*
* start the encoder thread
* args:
* data - pointer to user data
*
* asserts:
* none
*
* returns: error code
*/
int start_encoder_thread(void *data)
{
int ret = __THREAD_CREATE(&encoder_thread, encoder_loop, data);
if(ret)
fprintf(stderr, "GUVCVIEW: encoder thread creation failed (%i)\n", ret);
else if(debug_level > 2)
printf("GUVCVIEW: created encoder thread with tid: %u\n",
(unsigned int) encoder_thread);
return ret;
}
