Split UVC gadget into a library and test application

Split the project into a UVC gadget library and a test application. To
avoid rolling out a custom build system, switch to CMake.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 0 insertions, 223 deletions

diff --git a/stream.c b/stream.c
deleted file mode 100644
index 57745aa..0000000
--- a/stream.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * UVC stream handling
- *
- * Copyright (C) 2010 Ideas on board SPRL <laurent.pinchart@ideasonboard.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "events.h"
-#include "stream.h"
-#include "uvc.h"
-#include "v4l2.h"
-#include "video-buffers.h"
-#include "video-source.h"
-
-/*
- * struct uvc_stream - Representation of a UVC stream
- * @src: video source
- * @uvc: UVC V4L2 output device
- * @events: struct events containing event information
- */
-struct uvc_stream
-{
-	struct video_source *src;
-	struct uvc_device *uvc;
-
-	struct events *events;
-};
-
-/* ---------------------------------------------------------------------------
- * Video streaming
- */
-
-static void uvc_stream_source_process(void *d, struct video_source *src,
-				      struct video_buffer *buffer)
-{
-	struct uvc_stream *stream = d;
-	struct v4l2_device *sink = uvc_v4l2_device(stream->uvc);
-
-	v4l2_queue_buffer(sink, buffer);
-}
-
-static void uvc_stream_uvc_process(void *d)
-{
-	struct uvc_stream *stream = d;
-	struct v4l2_device *sink = uvc_v4l2_device(stream->uvc);
-	struct video_buffer buf;
-	int ret;
-
-	ret = v4l2_dequeue_buffer(sink, &buf);
-	if (ret < 0)
-		return;
-
-	video_source_queue_buffer(stream->src, &buf);
-}
-
-static int uvc_stream_start(struct uvc_stream *stream)
-{
-	struct v4l2_device *sink = uvc_v4l2_device(stream->uvc);
-	struct video_buffer_set *buffers = NULL;
-	int ret;
-
-	printf("Starting video stream.\n");
-
-	/* Allocate and export the buffers on the source. */
-	ret = video_source_alloc_buffers(stream->src, 4);
-	if (ret < 0) {
-		printf("Failed to allocate source buffers: %s (%d)\n",
-		       strerror(-ret), -ret);
-		return ret;
-	}
-
-	ret = video_source_export_buffers(stream->src, &buffers);
-	if (ret < 0) {
-		printf("Failed to export buffers on source: %s (%d)\n",
-		       strerror(-ret), -ret);
-		goto error_free_source;
-	}
-
-	/* Allocate and import the buffers on the sink. */
-	ret = v4l2_alloc_buffers(sink, V4L2_MEMORY_DMABUF, buffers->nbufs);
-	if (ret < 0) {
-		printf("Failed to allocate sink buffers: %s (%d)\n",
-		       strerror(-ret), -ret);
-		goto error_free_source;
-	}
-
-	ret = v4l2_import_buffers(sink, buffers);
-	if (ret < 0) {
-		printf("Failed to import buffers on sink: %s (%d)\n",
-		       strerror(-ret), -ret);
-		goto error_free_sink;
-	}
-
-	/* Start the source and sink. */
-	video_source_stream_on(stream->src);
-	v4l2_stream_on(sink);
-
-	events_watch_fd(stream->events, sink->fd, EVENT_WRITE,
-			uvc_stream_uvc_process, stream);
-
-	return 0;
-
-error_free_sink:
-	v4l2_free_buffers(sink);
-error_free_source:
-	video_source_free_buffers(stream->src);
-	if (buffers)
-		video_buffer_set_delete(buffers);
-	return ret;
-}
-
-static int uvc_stream_stop(struct uvc_stream *stream)
-{
-	struct v4l2_device *sink = uvc_v4l2_device(stream->uvc);
-
-	printf("Stopping video stream.\n");
-
-	events_unwatch_fd(stream->events, sink->fd, EVENT_WRITE);
-
-	v4l2_stream_off(sink);
-	video_source_stream_off(stream->src);
-
-	v4l2_free_buffers(sink);
-	video_source_free_buffers(stream->src);
-
-	return 0;
-}
-
-void uvc_stream_enable(struct uvc_stream *stream, int enable)
-{
-	if (enable)
-		uvc_stream_start(stream);
-	else
-		uvc_stream_stop(stream);
-}
-
-int uvc_stream_set_format(struct uvc_stream *stream,
-			  const struct v4l2_pix_format *format)
-{
-	struct v4l2_pix_format fmt = *format;
-	int ret;
-
-	printf("Setting format to 0x%08x %ux%u\n",
-		format->pixelformat, format->width, format->height);
-
-	ret = uvc_set_format(stream->uvc, &fmt);
-	if (ret < 0)
-		return ret;
-
-	return video_source_set_format(stream->src, &fmt);
-}
-
-/* ---------------------------------------------------------------------------
- * Stream handling
- */
-
-struct uvc_stream *uvc_stream_new(const char *uvc_device)
-{
-	struct uvc_stream *stream;
-
-	stream = malloc(sizeof(*stream));
-	if (stream == NULL)
-		return NULL;
-
-	memset(stream, 0, sizeof(*stream));
-
-	stream->uvc = uvc_open(uvc_device, stream);
-	if (stream->uvc == NULL)
-		goto error;
-
-	return stream;
-
-error:
-	free(stream);
-	return NULL;
-}
-
-void uvc_stream_delete(struct uvc_stream *stream)
-{
-	if (stream == NULL)
-		return;
-
-	uvc_close(stream->uvc);
-
-	free(stream);
-}
-
-void uvc_stream_init_uvc(struct uvc_stream *stream,
-			 struct uvc_function_config *fc)
-{
-	uvc_set_config(stream->uvc, fc);
-	uvc_events_init(stream->uvc, stream->events);
-}
-
-void uvc_stream_set_event_handler(struct uvc_stream *stream,
-				  struct events *events)
-{
-	stream->events = events;
-}
-
-void uvc_stream_set_video_source(struct uvc_stream *stream,
-				 struct video_source *src)
-{
-	stream->src = src;
-
-	video_source_set_buffer_handler(src, uvc_stream_source_process, stream);
-}