--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ater8/play_cmd.c	Fri Aug 30 19:02:42 2024 +0000
@@ -0,0 +1,68 @@
+/*
+ * Here we implement user commands controlling file play functionality.
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <osmocom/core/select.h>
+
+#include "globals.h"
+#include "submux.h"
+#include "read_file.h"
+
+void cmd_play_file(int argc, char **argv)
+{
+	int nr, rc;
+	struct ater_subslot *at;
+
+	if (argc != 3) {
+usage:		fprintf(stderr, "usage: %s 0-7 play-file.dec\n", argv[0]);
+		return;
+	}
+	if (argv[1][0] < '0' || argv[1][0] > '7' || argv[1][1])
+		goto usage;
+	nr = argv[1][0] - '0';
+	at = &subslots[nr];
+	if (!at->is_active) {
+		fprintf(stderr, "error: subslot %d is not active\n", nr);
+		return;
+	}
+	if (at->play_buffer) {
+		fprintf(stderr, "error: file play already in progress\n");
+		return;
+	}
+	rc = read_binary_file(argv[2], &at->play_buffer, &at->play_buf_total);
+	if (rc < 0)
+		return;		/* error msg already printed */
+	at->play_buf_ptr = 0;
+	at->play_wait_align = true;
+}
+
+void cmd_play_stop(int argc, char **argv)
+{
+	int nr;
+	struct ater_subslot *at;
+
+	if (argc != 2) {
+usage:		fprintf(stderr, "usage: %s 0-7\n", argv[0]);
+		return;
+	}
+	if (argv[1][0] < '0' || argv[1][0] > '7' || argv[1][1])
+		goto usage;
+	nr = argv[1][0] - '0';
+	at = &subslots[nr];
+	if (!at->is_active) {
+		fprintf(stderr, "error: subslot %d is not active\n", nr);
+		return;
+	}
+	if (!at->play_buffer) {
+		fprintf(stderr, "error: no file play in progress\n");
+		return;
+	}
+	free(at->play_buffer);
+	at->play_buffer = NULL;
+}