From b8e9f50c92a55c3d81b2f5f12bbc6d49a84f1a9c Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Tue, 23 Jun 2020 22:59:00 -0700
Subject: [PATCH] Core: Add mVideoLogIsCompatible function

---
 include/mgba/feature/video-logger.h |  3 +++
 src/feature/video-logger.c          | 22 ++++++++++++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/include/mgba/feature/video-logger.h b/include/mgba/feature/video-logger.h
index b466e4b6c..b40caff6d 100644
--- a/include/mgba/feature/video-logger.h
+++ b/include/mgba/feature/video-logger.h
@@ -10,6 +10,8 @@
 
 CXX_GUARD_START
 
+#include <mgba/core/core.h>
+
 #include <mgba-util/circle-buffer.h>
 
 #define mVL_MAX_CHANNELS 32
@@ -128,6 +130,7 @@ void mVideoLoggerInjectVideoRegister(struct mVideoLogger* logger, uint32_t addre
 void mVideoLoggerInjectPalette(struct mVideoLogger* logger, uint32_t address, uint16_t value);
 void mVideoLoggerInjectOAM(struct mVideoLogger* logger, uint32_t address, uint16_t value);
 
+enum mPlatform mVideoLogIsCompatible(struct VFile*);
 struct mCore* mVideoLogCoreFind(struct VFile*);
 
 CXX_GUARD_END
diff --git a/src/feature/video-logger.c b/src/feature/video-logger.c
index a240d2c33..e28e20ac1 100644
--- a/src/feature/video-logger.c
+++ b/src/feature/video-logger.c
@@ -5,7 +5,6 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <mgba/feature/video-logger.h>
 
-#include <mgba/core/core.h>
 #include <mgba-util/memory.h>
 #include <mgba-util/vfs.h>
 #include <mgba-util/math.h>
@@ -1033,7 +1032,7 @@ static ssize_t mVideoLoggerWriteChannel(struct mVideoLogChannel* channel, const
 	return read;
 }
 
-struct mCore* mVideoLogCoreFind(struct VFile* vf) {
+static const struct mVLDescriptor* _mVideoLogDescriptor(struct VFile* vf) {
 	if (!vf) {
 		return NULL;
 	}
@@ -1055,6 +1054,25 @@ struct mCore* mVideoLogCoreFind(struct VFile* vf) {
 			break;
 		}
 	}
+	if (descriptor->platform == PLATFORM_NONE) {
+		return NULL;
+	}
+	return descriptor;
+}
+
+enum mPlatform mVideoLogIsCompatible(struct VFile* vf) {
+	const struct mVLDescriptor* descriptor = _mVideoLogDescriptor(vf);
+	if (descriptor) {
+		return descriptor->platform;
+	}
+	return PLATFORM_NONE;
+}
+
+struct mCore* mVideoLogCoreFind(struct VFile* vf) {
+	const struct mVLDescriptor* descriptor = _mVideoLogDescriptor(vf);
+	if (!descriptor) {
+		return NULL;
+	}
 	struct mCore* core = NULL;
 	if (descriptor->open) {
 		core = descriptor->open();