diff options
| -rw-r--r-- | yavta.c | 20 |
1 files changed, 15 insertions, 5 deletions
@@ -798,7 +798,8 @@ static int video_prepare_capture(struct device *dev, int nbufs, unsigned int off } static int video_do_capture(struct device *dev, unsigned int nframes, - unsigned int skip, unsigned int delay, const char *filename_prefix) + unsigned int skip, unsigned int delay, const char *filename_prefix, + int do_requeue_last) { char *filename = NULL; struct timeval start, end, ts; @@ -869,13 +870,16 @@ static int video_do_capture(struct device *dev, unsigned int nframes, if (delay > 0) usleep(delay * 1000); + fflush(stdout); + + if (i == nframes - dev->nbufs && !do_requeue_last) + continue; + ret = video_queue_buffer(dev, buf.index); if (ret < 0) { printf("Unable to requeue buffer (%d).\n", errno); goto done; } - - fflush(stdout); } gettimeofday(&end, NULL); @@ -929,6 +933,7 @@ static void usage(const char *argv0) printf(" --enum-inputs Enumerate inputs\n"); printf(" --no-query Don't query capabilities on open\n"); printf(" --offset User pointer buffer offset from page start\n"); + printf(" --requeue-last Requeue the last buffers before streamoff\n"); printf(" --skip n Skip the first n frames\n"); printf(" --sleep-forever Sleep forever after configuring the device\n"); } @@ -939,6 +944,7 @@ static void usage(const char *argv0) #define OPT_NO_QUERY 259 #define OPT_SLEEP_FOREVER 260 #define OPT_USERPTR_OFFSET 261 +#define OPT_REQUEUE_LAST 262 static struct option opts[] = { {"capture", 2, 0, 'c'}, @@ -956,6 +962,7 @@ static struct option opts[] = { {"pause", 0, 0, 'p'}, {"quality", 1, 0, 'q'}, {"get-control", 1, 0, 'r'}, + {"requeue-last", 0, 0, OPT_REQUEUE_LAST}, {"size", 1, 0, 's'}, {"set-control", 1, 0, 'w'}, {"skip", 1, 0, OPT_SKIP_FRAMES}, @@ -976,7 +983,7 @@ int main(int argc, char *argv[]) int do_enum_formats = 0, do_set_format = 0; int do_enum_inputs = 0, do_set_input = 0; int do_list_controls = 0, do_get_control = 0, do_set_control = 0; - int do_sleep_forever = 0; + int do_sleep_forever = 0, do_requeue_last = 0; int no_query = 0; char *endptr; int c; @@ -1117,6 +1124,9 @@ int main(int argc, char *argv[]) case OPT_NO_QUERY: no_query = 1; break; + case OPT_REQUEUE_LAST: + do_requeue_last = 1; + break; case OPT_SKIP_FRAMES: skip = atoi(optarg); break; @@ -1217,7 +1227,7 @@ int main(int argc, char *argv[]) getchar(); } - if (video_do_capture(&dev, nframes, skip, delay, filename) < 0) { + if (video_do_capture(&dev, nframes, skip, delay, filename, do_requeue_last) < 0) { video_close(&dev); return 1; } |