examples: add a -l option to am7xxx-play

Allow setting the verbosity level of log messages.

diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
index f7e069a..a661758 100644 (file)
--- a/examples/am7xxx-play.c
+++ b/examples/am7xxx-play.c
@@ -564,6 +564,7 @@ static void usage(char *name)
        printf("\t\t\t\t\t1 - JPEG\n");
        printf("\t\t\t\t\t2 - NV12\n");
        printf("\t-q \t\t\tquality of jpeg sent to the device, between 1 and 100\n");
+       printf("\t-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\n");
        printf("\t-h \t\t\tthis help message\n");
        printf("\n\nEXAMPLES OF USE:\n");
        printf("\t%s -f x11grab -i :0.0 -o video_size=800x480\n", name);
@@ -585,11 +586,12 @@ int main(int argc, char *argv[])
        unsigned int rescale_method = SWS_BICUBIC;
        unsigned int upscale = 0;
        unsigned int quality = 95;
+       int log_level = AM7XXX_LOG_INFO;
        int format = AM7XXX_IMAGE_FORMAT_JPEG;
        am7xxx_context *ctx;
        am7xxx_device *dev;
 
-       while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:h")) != -1) {
+       while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:l:h")) != -1) {
                switch (opt) {
                case 'f':
                        input_format_string = strdup(optarg);
@@ -662,6 +664,13 @@ int main(int argc, char *argv[])
                                goto out;;
                        }
                        break;
+               case 'l':
+                       log_level = atoi(optarg);
+                       if (log_level < AM7XXX_LOG_FATAL || log_level > AM7XXX_LOG_TRACE) {
+                               fprintf(stderr, "Unsupported log level, falling back to AM7XXX_LOG_ERROR\n");
+                               log_level = AM7XXX_LOG_ERROR;
+                       }
+                       break;
                case 'h':
                        usage(argv[0]);
                        ret = 0;
@@ -713,6 +722,8 @@ int main(int argc, char *argv[])
                goto out;
        }
 
+       am7xxx_set_log_level(ctx, log_level);
+
        ret = am7xxx_open_device(ctx, &dev, 0);
        if (ret < 0) {
                perror("am7xxx_open_device");