From c301075386ff72d4b8e1672d8cdad2d815a9d4b0 Mon Sep 17 00:00:00 2001
From: Kieran Bingham <kieran.bingham@ideasonboard.com>
Date: Tue, 1 Nov 2022 13:45:12 +0000
Subject: src: Move main to src

Move the main uvc-gadget application to src/ to make it clear
there is a separation between library and application code.

Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 main.c | 134 -----------------------------------------------------------------
 1 file changed, 134 deletions(-)
 delete mode 100644 main.c

(limited to 'main.c')

diff --git a/main.c b/main.c
deleted file mode 100644
index f0f71ba..0000000
--- a/main.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * UVC gadget test application
- *
- * Copyright (C) 2010-2018 Laurent Pinchart
- *
- * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
- */
-
-#include <signal.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#include "configfs.h"
-#include "events.h"
-#include "stream.h"
-#include "v4l2-source.h"
-
-static void usage(const char *argv0)
-{
-	fprintf(stderr, "Usage: %s [options] <uvc device>\n", argv0);
-	fprintf(stderr, "Available options are\n");
-	fprintf(stderr, " -c device	V4L2 source device\n");
-	fprintf(stderr, " -i image	MJPEG image\n");
-	fprintf(stderr, " -h		Print this help screen and exit\n");
-	fprintf(stderr, "\n");
-	fprintf(stderr, " <uvc device>	UVC device instance specifier\n");
-	fprintf(stderr, "\n");
-
-	fprintf(stderr, "  For ConfigFS devices the <uvc device> parameter can take the form of a shortened\n");
-	fprintf(stderr, "  function specifier such as: 'uvc.0', or if multiple gadgets are configured, the\n");
-	fprintf(stderr, "  gadget name should be included to prevent ambiguity: 'g1/functions/uvc.0'.\n");
-	fprintf(stderr, "\n");
-	fprintf(stderr, "  For legacy g_webcam UVC instances, this parameter will identify the UDC that the\n");
-	fprintf(stderr, "  UVC function is bound to.\n");
-	fprintf(stderr, "\n");
-	fprintf(stderr, "  The parameter is optional, and if not provided the first UVC function on the first\n");
-	fprintf(stderr, "  gadget identified will be used.\n");
-	fprintf(stderr, "\n");
-	fprintf(stderr, "Example usage:\n");
-	fprintf(stderr, "    %s uvc.1\n", argv0);
-	fprintf(stderr, "    %s g1/functions/uvc.1\n", argv0);
-	fprintf(stderr, "\n");
-	fprintf(stderr, "    %s musb-hdrc.0.auto\n", argv0);
-}
-
-/* Necessary for and only used by signal handler. */
-static struct events *sigint_events;
-
-static void sigint_handler(int signal)
-{
-	/* Stop the main loop when the user presses CTRL-C */
-	events_stop(sigint_events);
-}
-
-int main(int argc, char *argv[])
-{
-	char *function = NULL;
-	char *cap_device = "/dev/video1";
-	struct uvc_function_config *fc;
-	struct uvc_stream *stream = NULL;
-	struct video_source *src = NULL;
-	struct events events;
-	int ret = 0;
-	int opt;
-
-	while ((opt = getopt(argc, argv, "c:h")) != -1) {
-		switch (opt) {
-		case 'c':
-			cap_device = optarg;
-			break;
-
-		case 'h':
-			usage(argv[0]);
-			return 0;
-
-		default:
-			fprintf(stderr, "Invalid option '-%c'\n", opt);
-			usage(argv[0]);
-			return 1;
-		}
-	}
-
-	if (argv[optind] != NULL)
-		function = argv[optind];
-
-	fc = configfs_parse_uvc_function(function);
-	if (!fc) {
-		printf("Failed to identify function configuration\n");
-		return 1;
-	}
-
-	/*
-	 * Create the events handler. Register a signal handler for SIGINT,
-	 * received when the user presses CTRL-C. This will allow the main loop
-	 * to be interrupted, and resources to be freed cleanly.
-	 */
-	events_init(&events);
-
-	sigint_events = &events;
-	signal(SIGINT, sigint_handler);
-
-	/* Create and initialize a video source. */
-	src = v4l2_video_source_create(cap_device);
-	if (src == NULL) {
-		ret = 1;
-		goto done;
-	}
-
-	v4l2_video_source_init(src, &events);
-
-	/* Create and initialise the stream. */
-	stream = uvc_stream_new(fc->video);
-	if (stream == NULL) {
-		ret = 1;
-		goto done;
-	}
-
-	uvc_stream_set_event_handler(stream, &events);
-	uvc_stream_set_video_source(stream, src);
-	uvc_stream_init_uvc(stream, fc);
-
-	/* Main capture loop */
-	events_loop(&events);
-
-done:
-	/* Cleanup */
-	uvc_stream_delete(stream);
-	video_source_destroy(src);
-	events_cleanup(&events);
-	configfs_free_uvc_function(fc);
-
-	return ret;
-}
-- 
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