lavc: add mediacodec hwaccel support

1 files changed, 66 insertions, 0 deletions

diff --git a/libavcodec/mediacodec_surface.c b/libavcodec/mediacodec_surface.c
new file mode 100644
index 0000000000..903ebe4d8b
--- /dev/null
+++ b/libavcodec/mediacodec_surface.c
@@ -0,0 +1,66 @@
+/*
+ * Android MediaCodec Surface functions
+ *
+ * Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <jni.h>
+
+#include "ffjni.h"
+#include "mediacodec_surface.h"
+
+void *ff_mediacodec_surface_ref(void *surface, void *log_ctx)
+{
+    int attached = 0;
+    JNIEnv *env = NULL;
+
+    void *reference = NULL;
+
+    env = ff_jni_attach_env(&attached, log_ctx);
+    if (!env) {
+        return NULL;
+    }
+
+    reference = (*env)->NewGlobalRef(env, surface);
+
+    if (attached) {
+        ff_jni_detach_env(log_ctx);
+    }
+
+    return reference;
+}
+
+int ff_mediacodec_surface_unref(void *surface, void *log_ctx)
+{
+    int attached = 0;
+    JNIEnv *env = NULL;
+
+    env = ff_jni_attach_env(&attached, log_ctx);
+    if (!env) {
+        return AVERROR_EXTERNAL;
+    }
+
+    (*env)->DeleteGlobalRef(env, surface);
+
+    if (attached) {
+        ff_jni_detach_env(log_ctx);
+    }
+
+    return 0;
+}