ffmpeg/libavcodec/mediacodec_surface.c

79 lines
2.0 KiB
C

/*
* 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 <android/native_window.h>
#include <jni.h>
#include "libavutil/mem.h"
#include "ffjni.h"
#include "mediacodec_surface.h"
FFANativeWindow *ff_mediacodec_surface_ref(void *surface, void *native_window, void *log_ctx)
{
FFANativeWindow *ret;
ret = av_mallocz(sizeof(*ret));
if (!ret)
return NULL;
if (surface) {
JNIEnv *env = NULL;
env = ff_jni_get_env(log_ctx);
if (env)
ret->surface = (*env)->NewGlobalRef(env, surface);
}
if (native_window) {
ANativeWindow_acquire(native_window);
ret->native_window = native_window;
}
if (!ret->surface && !ret->native_window) {
av_log(log_ctx, AV_LOG_ERROR, "Both surface and native_window are NULL\n");
av_freep(&ret);
}
return ret;
}
int ff_mediacodec_surface_unref(FFANativeWindow *window, void *log_ctx)
{
if (!window)
return 0;
if (window->surface) {
JNIEnv *env = NULL;
env = ff_jni_get_env(log_ctx);
if (env)
(*env)->DeleteGlobalRef(env, window->surface);
}
if (window->native_window)
ANativeWindow_release(window->native_window);
av_free(window);
return 0;
}