diff options
Diffstat (limited to 'v4l2-apps/test/capture_example.c')
| -rw-r--r-- | v4l2-apps/test/capture_example.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/v4l2-apps/test/capture_example.c b/v4l2-apps/test/capture_example.c index a15ef3c09..0cd129885 100644 --- a/v4l2-apps/test/capture_example.c +++ b/v4l2-apps/test/capture_example.c @@ -47,6 +47,7 @@ struct buffer *buffers; static unsigned int n_buffers; static int out_buf; static int force_format; +static int frame_count = 70; static void errno_exit(const char *s) { @@ -171,7 +172,7 @@ static void mainloop(void) { unsigned int count; - count = 1000; + count = frame_count; while (count-- > 0) { for (;;) { @@ -558,19 +559,21 @@ static void usage(FILE *fp, int argc, char **argv) { fprintf(fp, "Usage: %s [options]\n\n" + "Version 1.3\n" "Options:\n" - "-d | --device name Video device name [/dev/video0]\n" + "-d | --device name Video device name [%s]\n" "-h | --help Print this message\n" - "-m | --mmap Use memory mapped buffers\n" + "-m | --mmap Use memory mapped buffers [default]\n" "-r | --read Use read() calls\n" "-u | --userp Use application allocated buffers\n" "-o | --output Outputs stream to stdout\n" "-f | --format Force format to 640x480 YUYV\n" + "-c | --count Number of frames to grab [%i]\n" "", - argv[0]); + argv[0],dev_name,frame_count ); } -static const char short_options[] = "d:hmruof"; +static const char short_options[] = "d:hmruofc:"; static const struct option long_options[] = { @@ -581,6 +584,7 @@ long_options[] = { { "userp", no_argument, NULL, 'u' }, { "output", no_argument, NULL, 'o' }, { "format", no_argument, NULL, 'f' }, + { "count", required_argument, NULL, 'c' }, { 0, 0, 0, 0 } }; @@ -630,6 +634,13 @@ int main(int argc, char **argv) force_format++; break; + case 'c': + errno = 0; + frame_count = strtol(optarg, NULL, 0); + if (errno) + errno_exit(optarg); + break; + default: usage(stderr, argc, argv); exit(EXIT_FAILURE); |