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This commit is contained in:
Devaev Maxim
2020-07-07 09:13:07 +03:00
parent 6615a23361
commit e488eec90c
3 changed files with 113 additions and 11 deletions
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6
src/options.c
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@@ -50,6 +50,7 @@ enum _OPT_VALUES {
_O_RESOLUTION = 'r',
_O_FORMAT = 'm',
_O_TV_STANDARD = 'a',
_O_IO_METHOD = 'I',
_O_DESIRED_FPS = 'f',
_O_MIN_FRAME_SIZE = 'z',
_O_PERSISTENT = 'n',
@@ -128,6 +129,7 @@ static const struct option _LONG_OPTS[] = {
{"resolution", required_argument, NULL, _O_RESOLUTION},
{"format", required_argument, NULL, _O_FORMAT},
{"tv-standard", required_argument, NULL, _O_TV_STANDARD},
{"io-method", required_argument, NULL, _O_IO_METHOD},
{"desired-fps", required_argument, NULL, _O_DESIRED_FPS},
{"min-frame-size", required_argument, NULL, _O_MIN_FRAME_SIZE},
{"persistent", no_argument, NULL, _O_PERSISTENT},
@@ -327,6 +329,7 @@ int options_parse(struct options_t *options, struct device_t *dev, struct encode
case _O_FORMAT: OPT_PARSE("pixel format", dev->format, device_parse_format, FORMAT_UNKNOWN, FORMATS_STR);
# pragma GCC diagnostic pop
case _O_TV_STANDARD: OPT_PARSE("TV standard", dev->standard, device_parse_standard, STANDARD_UNKNOWN, STANDARDS_STR);
case _O_IO_METHOD: OPT_PARSE("IO method", dev->io_method, device_parse_io_method, IO_METHOD_UNKNOWN, IO_METHODS_STR);
case _O_DESIRED_FPS: OPT_NUMBER("--desired-fps", dev->desired_fps, 0, VIDEO_MAX_FPS, 0);
case _O_MIN_FRAME_SIZE: OPT_NUMBER("--min-frame-size", dev->min_frame_size, 0, 8192, 0);
case _O_PERSISTENT: OPT_SET(dev->persistent, true);
@@ -548,6 +551,9 @@ static void _help(struct device_t *dev, struct encoder_t *encoder, struct http_s
printf(" Available: %s; default: YUYV.\n\n", FORMATS_STR);
printf(" -a|--tv-standard <std> ────────────── Force TV standard.\n");
printf(" Available: %s; default: disabled.\n\n", STANDARDS_STR);
printf(" -I|--io-method <method> ───────────── Set V4L2 IO method (see kernel documentation).\n");
printf(" Changing of this parameter may increase the performance. Or not.\n");
printf(" Available: %s; default: MMAP\n\n", IO_METHODS_STR);
printf(" -f|--desired-fps <N> ──────────────── Desired FPS. Default: maximum possible.\n\n");
printf(" -z|--min-frame-size <N> ───────────── Drop frames smaller then this limit. Useful if the device\n");
printf(" produces small-sized garbage frames. Default: disabled.\n\n");