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introduce parsing for 'long options' #10

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introduce parsing for 'long options' #10

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84 changes: 53 additions & 31 deletions v4l2-request-test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -64,42 +64,44 @@ struct format_description formats[] = {

static void print_help(void)
{
printf("Usage: v4l2-request-test [OPTIONS] [SLICES PATH]\n\n"
"Options:\n"
" -v [video path] path for the video node\n"
" -m [media path] path for the media node\n"
" -d [DRM path] path for the DRM node\n"
" -D [DRM driver] DRM driver to use\n"
" -s [slices filename format] format for filenames in the slices path\n"
" -f [fps] number of frames to display per second\n"
" -P [video preset] video preset to use\n"
" -i enable interactive mode\n"
" -l loop preset frames\n"
" -q enable quiet mode\n"
" -h help\n\n"
"Video presets:\n");
printf("Usage: v4l2-request-test [OPTIONS]\n\n"
"Options:\n"
" -v --video-device <dev> Use device <dev> as the video device.\n"
" --device\n"
" -m, --media-device <dev> Use device <dev> as the media device.\n"
" -d, --drm-device <dev> Use device <dev > as DRM device.\n"
" -D, --drm-driver <name> Use given DRM driver.\n"
" -s, --slices-path <path> Use <path> to find stored video slices.\n"
" -S, --slices-format <slices format>\n"
" Regex/format describing filenames stored in the slices path.\n"
" -f, --fps <fps> Display given number of frames per seconds.\n"
" -P, --preset-name <name> Use given preset-name for video decoding.\n"
" -i, --interactive Enable interactive mode.\n"
" -l, --loop Loop preset frames.\n"
" -q, --quiet Enable quiet mode.\n"
" -h, --help This help message.\n\n");

presets_usage();
}

static void print_summary(struct config *config, struct preset *preset)
{
printf("Config:\n");
printf(" Video path: %s\n", config->video_path);
printf(" Media path: %s\n", config->media_path);
printf(" DRM path: %s\n", config->drm_path);
printf(" DRM driver: %s\n", config->drm_driver);
printf(" Slices path: %s\n", config->slices_path);
printf(" Slices filename format: %s\n", config->slices_filename_format);
printf(" FPS: %d\n\n", config->fps);
printf(" Video device: %s\n", config->video_path);
printf(" Media device: %s\n", config->media_path);
printf(" DRM device: %s\n", config->drm_path);
printf(" DRM driver: %s\n", config->drm_driver);
printf(" Slices path: %s\n", config->slices_path);
printf(" Slices format: %s\n", config->slices_filename_format);
printf(" FPS: %d\n\n", config->fps);

printf("Preset:\n");
printf(" Name: %s\n", preset->name);
printf(" Description: %s\n", preset->description);
printf(" License: %s\n", preset->license);
printf(" Attribution: %s\n", preset->attribution);
printf(" Width: %d\n", preset->width);
printf(" Height: %d\n", preset->height);
printf(" Name: %s\n", preset->name);
printf(" Description: %s\n", preset->description);
printf(" License: %s\n", preset->license);
printf(" Attribution: %s\n", preset->attribution);
printf(" Width: %d\n", preset->width);
printf(" Height: %d\n", preset->height);
printf(" Frames count: %d\n", preset->frames_count);

printf(" Format: ");
Expand Down Expand Up @@ -257,7 +259,26 @@ int main(int argc, char *argv[])
setup_config(&config);

while (1) {
opt = getopt(argc, argv, "v:m:d:D:s:f:P:ilqh");
int option_index = 0;
static struct option long_options[] = {
{ "device", required_argument, 0, 'v' },
{ "video-device", required_argument, 0, 'v' },
{ "media-device", required_argument, 0, 'm' },
{ "drm-device", required_argument, 0, 'd' },
{ "drm-driver", required_argument, 0, 'D' },
{ "slices-path", required_argument, 0, 's' },
{ "slices-format", required_argument, 0, 'S' },
{ "fps", required_argument, 0, 'f' },
{ "preset-name", required_argument, 0, 'P' },
{ "interactive", no_argument, 0, 'i' },
{ "loop", no_argument, 0, 'l' },
{ "quiet", no_argument, 0, 'q' },
{ "help", no_argument, 0, 'h' },
{ 0, 0, 0, 0 }
};

opt = getopt_long(argc, argv, "v:m:d:D:s:S:f:P:ilqh",
long_options, &option_index);
if (opt == -1)
break;

Expand All @@ -279,6 +300,9 @@ int main(int argc, char *argv[])
config.drm_driver = strdup(optarg);
break;
case 's':
config.slices_path = strdup(optarg);
break;
case 'S':
free(config.slices_filename_format);
config.slices_filename_format = strdup(optarg);
break;
Expand Down Expand Up @@ -320,9 +344,7 @@ int main(int argc, char *argv[])

width = preset->width;
height = preset->height;
if (optind < argc)
config.slices_path = strdup(argv[optind]);
else
if (config.slices_path == NULL)
asprintf(&config.slices_path, "data/%s", config.preset_name);

print_summary(&config, preset);
Expand Down