tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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mediacodec_surface.c (2097B)

      1 /*
      2 * Android MediaCodec Surface functions
      3 *
      4 * Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
      5 *
      6 * This file is part of FFmpeg.
      7 *
      8 * FFmpeg is free software; you can redistribute it and/or
      9 * modify it under the terms of the GNU Lesser General Public
     10 * License as published by the Free Software Foundation; either
     11 * version 2.1 of the License, or (at your option) any later version.
     12 *
     13 * FFmpeg is distributed in the hope that it will be useful,
     14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16 * Lesser General Public License for more details.
     17 *
     18 * You should have received a copy of the GNU Lesser General Public
     19 * License along with FFmpeg; if not, write to the Free Software
     20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     21 */
     22 
     23 #include <android/native_window.h>
     24 #include <jni.h>
     25 
     26 #include "libavutil/mem.h"
     27 #include "ffjni.h"
     28 #include "mediacodec_surface.h"
     29 
     30 FFANativeWindow *ff_mediacodec_surface_ref(void *surface, void *native_window, void *log_ctx)
     31 {
     32    FFANativeWindow *ret;
     33 
     34    ret = av_mallocz(sizeof(*ret));
     35    if (!ret)
     36        return NULL;
     37 
     38    if (surface) {
     39        JNIEnv *env = NULL;
     40 
     41        env = ff_jni_get_env(log_ctx);
     42        if (env)
     43            ret->surface = (*env)->NewGlobalRef(env, surface);
     44    }
     45 
     46    if (native_window) {
     47        ANativeWindow_acquire(native_window);
     48        ret->native_window = native_window;
     49    }
     50 
     51    if (!ret->surface && !ret->native_window) {
     52        av_log(log_ctx, AV_LOG_ERROR, "Both surface and native_window are NULL\n");
     53        av_freep(&ret);
     54    }
     55 
     56    return ret;
     57 }
     58 
     59 int ff_mediacodec_surface_unref(FFANativeWindow *window, void *log_ctx)
     60 {
     61    if (!window)
     62        return 0;
     63 
     64    if (window->surface) {
     65        JNIEnv *env = NULL;
     66 
     67        env = ff_jni_get_env(log_ctx);
     68        if (env)
     69            (*env)->DeleteGlobalRef(env, window->surface);
     70    }
     71 
     72    if (window->native_window)
     73        ANativeWindow_release(window->native_window);
     74 
     75    av_free(window);
     76 
     77    return 0;
     78 }