am7xxx-play: support setting the zoom mode

diff --git a/doc/man/am7xxx-play.1.txt b/doc/man/am7xxx-play.1.txt
index 5054da4..193835f 100644 (file)
--- a/doc/man/am7xxx-play.1.txt
+++ b/doc/man/am7xxx-play.1.txt
@@ -58,6 +58,9 @@ EXAMPLE:
     WARNING: Level 2 and greater require the master AND
              the slave connector to be plugged in.
 
+*-z* '<zoom mode>'::
+    the display zoom mode, between 0 (original) and 3 (test)
+
 *-h*::
     this help message
 

diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
index 324ed89..af15949 100644 (file)
--- a/examples/am7xxx-play.c
+++ b/examples/am7xxx-play.c
@@ -596,6 +596,8 @@ static void usage(char *name)
        printf("\t-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\n");
        printf("\t-p <power level>\tpower level of device, between %x (off) and %x (maximum)\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
        printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n\t\t\t\t\t the slave connector to be plugged in.\n");
+       printf("\t-z <zoom mode>\t\tthe display zoom mode, between %d (original) and %d (test)\n",
+              AM7XXX_ZOOM_ORIGINAL, AM7XXX_ZOOM_TEST);
        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);
@@ -619,11 +621,12 @@ int main(int argc, char *argv[])
        unsigned int quality = 95;
        int log_level = AM7XXX_LOG_INFO;
        am7xxx_power_mode power_mode = AM7XXX_POWER_LOW;
+       am7xxx_zoom_mode zoom = AM7XXX_ZOOM_ORIGINAL;
        int format = AM7XXX_IMAGE_FORMAT_JPEG;
        am7xxx_context *ctx;
        am7xxx_device *dev;
 
-       while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:l:p:h")) != -1) {
+       while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:l:p:z:h")) != -1) {
                switch (opt) {
                case 'f':
                        input_format_string = strdup(optarg);
@@ -723,6 +726,21 @@ int main(int argc, char *argv[])
                                goto out;
                        }
                        break;
+               case 'z':
+                       zoom = atoi(optarg);
+                       switch(zoom) {
+                       case AM7XXX_ZOOM_ORIGINAL:
+                       case AM7XXX_ZOOM_H:
+                       case AM7XXX_ZOOM_H_V:
+                       case AM7XXX_ZOOM_TEST:
+                               fprintf(stdout, "Zoom: %d\n", zoom);
+                               break;
+                       default:
+                               fprintf(stderr, "Invalid zoom mode value, must be between %d and %d\n",
+                                       AM7XXX_ZOOM_ORIGINAL, AM7XXX_ZOOM_TEST);
+                               exit(EXIT_FAILURE);
+                       }
+                       break;
                case 'h':
                        usage(argv[0]);
                        ret = 0;
@@ -782,12 +800,22 @@ int main(int argc, char *argv[])
                goto cleanup;
        }
 
+       ret = am7xxx_set_zoom_mode(dev, zoom);
+       if (ret < 0) {
+               perror("am7xxx_set_zoom_mode");
+               goto cleanup;
+       }
+
        ret = am7xxx_set_power_mode(dev, power_mode);
        if (ret < 0) {
                perror("am7xxx_set_power_mode");
                goto cleanup;
        }
 
+       /* When setting AM7XXX_ZOOM_TEST don't display the actual image */
+       if (zoom == AM7XXX_ZOOM_TEST)
+               goto cleanup;
+
        ret = am7xxx_play(input_format_string,
                          &options,
                          input_path,