Changeset 485281e in mainline for uspace/app/modplay/modplay.c

Timestamp:

2018-12-18T18:38:49Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

336b739

Parents:

c65590a

Message:

Allow specifying non-default audio target

Needed when there is more than one audio device. It would be nice
complementary functionality if we could actually configure the
default audio target.

File:

• uspace/app/modplay/modplay.c (modified) (5 diffs)

uspace/app/modplay/modplay.c

@@ -39 +39 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <str.h>
 #include <str_error.h>
 #include <trackmod.h>
@@ -67 +68 @@
 }
 
+static void print_syntax(void)
+{
+        printf("syntax: modplay [<options>] <filename.mod>\n");
+        printf("options:\n");
+        printf("\t-t <target>\tOutput to specified audio target.\n");
+}
+
 int main(int argc, char *argv[])
 {
@@ -78 +86 @@
         void *buffer;
         size_t buffer_size;
+        const char *target = HOUND_DEFAULT_TARGET;
         errno_t rc;
 
-        if (argc != 2) {
-                printf("syntax: modplay <filename.mod>\n");
+        ++argv;
+        --argc;
+
+        while (argc > 0 && (*argv)[0] == '-') {
+                if (str_cmp(*argv, "-t") == 0) {
+                        ++argv;
+                        --argc;
+
+                        if (argc < 1) {
+                                printf("Option '-t' requires an argument.\n");
+                                print_syntax();
+                                return 1;
+                        }
+
+                        target = *argv++;
+                        --argc;
+                        continue;
+                }
+
+                printf("Invalid option '%s'\n", *argv);
+                print_syntax();
+                return 1;
+        }
+
+        if (argc != 1) {
+                print_syntax();
                 return 1;
         }
@@ -87 +120 @@
         con = console_init(stdin, stdout);
 
-        rc = trackmod_module_load(argv[1], &mod);
+        rc = trackmod_module_load(argv[0], &mod);
         if (rc != EOK) {
-                printf("Error loading %s.\n", argv[1]);
+                printf("Error loading %s.\n", argv[0]);
                 return 1;
         }
@@ -114 +147 @@
         }
 
-        rc = hound_context_connect_target(hound, HOUND_DEFAULT_TARGET);
+        rc = hound_context_connect_target(hound, target);
         if (rc != EOK) {
-                printf("Error connecting default audio target: %s.\n", str_error(rc));
+                printf("Error connecting audio target '%s': %s.\n",
+                    target, str_error(rc));
+
+                char **names = NULL;
+                size_t count = 0;
+                rc = hound_context_get_available_targets(hound, &names, &count);
+                if (rc == EOK) {
+                        printf("Available targets:\n");
+                        for (size_t i = 0; i < count; i++)
+                                printf(" - %s\n", names[i]);
+                }
+
                 return 1;
         }