Add -webcam commandline option to control webcam emulation
-webcam name=<name>[,dir=<direction>] options controls web cameras to use for emulation.
Change-Id: I961fd399c7e041541adda040dd24f194cc383cb9
diff --git a/android/main.c b/android/main.c
index 314779f..c2f8663 100644
--- a/android/main.c
+++ b/android/main.c
@@ -155,6 +155,65 @@
return convertMBToBytes(imageMB);
}
+/* Parses a -webcam option, extracting 'name', and 'dir' values.
+ * Param:
+ * param - -webcam option, that should be formatted as such:
+ * name=<name>[,dir=<direction>]
+ * name, name_size - buffer (and its size) where to receive <name>
+ * dir, dir_size - buffer (and its size) where to receive <direction>
+ */
+static void
+_parseWebcamOption(const char* param,
+ char* name, size_t name_size,
+ char* dir, size_t dir_size)
+{
+ const char* dr;
+ const char* wc_opt = param;
+
+ /* Must start with 'name=' */
+ if (strlen(wc_opt) <= 5 || memcmp(wc_opt, "name=", 5)) {
+ derror("Invalid value for -webcam parameter: %s\n", param);
+ exit(1);
+ }
+
+ /* Move on to 'name' value. */
+ wc_opt += 5;
+ dr = strchr(wc_opt, ',');
+ if (dr == NULL) {
+ dr = wc_opt + strlen(wc_opt);
+ }
+
+ /* Make sure that <name> fits */
+ if ((dr - wc_opt) < name_size) {
+ memcpy(name, wc_opt, dr - wc_opt);
+ name[dr - wc_opt] = '\0';
+ if (*dr == '\0') {
+ /* Default direction value is 'front' */
+ strcpy(dir, "front");
+ return;
+ } else {
+ dr++;
+ }
+ } else {
+ derror("Invalid <name> value for -webcam parameter: %s\n", param);
+ exit(1);
+ }
+
+ /* Parse 'dir'. Must begin with 'dir=' */
+ if (strlen(dr) <= 4 || memcmp(dr, "dir=", 4)) {
+ derror("Invalid value for -webcam parameter: %s\n", param);
+ exit(1);
+ }
+ dr += 4;
+ /* Check the bounds, and the values */
+ if (strlen(dr) >= dir_size || (strcmp(dr, "front") && strcmp(dr, "back"))) {
+ derror("Invalid <direction> value for -webcam parameter: %s\n"
+ "Valid values are: 'front', or 'back'\n", param);
+ exit(1);
+ }
+ strcpy(dir, dr);
+}
+
int main(int argc, char **argv)
{
char tmp[MAX_PATH];
@@ -1098,6 +1157,67 @@
}
}
+ if (opts->webcam != NULL) {
+ ParamList* pl = opts->webcam;
+ int webcam_num = 0;
+ for ( ; pl != NULL; pl = pl->next ) {
+ char webcam_name[64];
+ char webcam_dir[16];
+ if (!strcmp(pl->param, "off")) {
+ /* If 'off' is passed, there must be no other -webcam options. */
+ if (webcam_num || pl->next != NULL) {
+ derror("'-webcam off' cannot be combined with other -webcam otions\n");
+ exit(1);
+ }
+ break;
+ }
+ if (!strcmp(pl->param, "list")) {
+ /* If 'list' is passed, there must be no other -webcam options. */
+ if (webcam_num || pl->next != NULL) {
+ derror("'-webcam list' cannot be combined with other -webcam otions\n");
+ exit(1);
+ }
+ args[n++] = "-list-webcam";
+ break;
+ }
+ /* Extract name, and direction */
+ _parseWebcamOption(pl->param, webcam_name, sizeof(webcam_name),
+ webcam_dir, sizeof(webcam_dir));
+ /* Save them to appropriate field in hw.ini */
+ switch (webcam_num) {
+ case 0:
+ hw->hw_webcam_0_name = ASTRDUP(webcam_name);
+ hw->hw_webcam_0_direction = ASTRDUP(webcam_dir);
+ break;
+ case 1:
+ hw->hw_webcam_1_name = ASTRDUP(webcam_name);
+ hw->hw_webcam_1_direction = ASTRDUP(webcam_dir);
+ break;
+ case 2:
+ hw->hw_webcam_2_name = ASTRDUP(webcam_name);
+ hw->hw_webcam_2_direction = ASTRDUP(webcam_dir);
+ break;
+ case 3:
+ hw->hw_webcam_3_name = ASTRDUP(webcam_name);
+ hw->hw_webcam_3_direction = ASTRDUP(webcam_dir);
+ break;
+ case 4:
+ hw->hw_webcam_4_name = ASTRDUP(webcam_name);
+ hw->hw_webcam_4_direction = ASTRDUP(webcam_dir);
+ break;
+ case 5:
+ hw->hw_webcam_5_name = ASTRDUP(webcam_name);
+ hw->hw_webcam_5_direction = ASTRDUP(webcam_dir);
+ break;
+ default:
+ derror("Too many -webcam options. Maximum number of -webcam options is 6\n");
+ exit(1);
+ }
+ webcam_num++;
+ }
+ hw->hw_webcam_count = webcam_num;
+ }
+
/* physical memory is now in hw->hw_ramSize */
hw->avd_name = ASTRDUP(avdInfo_getName(avd));