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/*
* Android MediaCodec public API 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 "config.h"
#if CONFIG_H264_MEDIACODEC_HWACCEL
#include <jni.h>
#include "libavcodec/avcodec.h"
#include "libavutil/atomic.h"
#include "libavutil/mem.h"
#include "ffjni.h"
#include "mediacodec.h"
#include "mediacodecdec.h"
AVMediaCodecContext *av_mediacodec_alloc_context(void)
{
return av_mallocz(sizeof(AVMediaCodecContext));
}
int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface)
{
int ret = 0;
JNIEnv *env = NULL;
int attached = 0;
env = ff_jni_attach_env(&attached, avctx);
if (!env) {
return AVERROR_EXTERNAL;
}
ctx->surface = (*env)->NewGlobalRef(env, surface);
if (ctx->surface) {
avctx->hwaccel_context = ctx;
} else {
av_log(avctx, AV_LOG_ERROR, "Could not create new global reference\n");
ret = AVERROR_EXTERNAL;
}
if (attached) {
ff_jni_detach_env(avctx);
}
return ret;
}
void av_mediacodec_default_free(AVCodecContext *avctx)
{
JNIEnv *env = NULL;
int attached = 0;
AVMediaCodecContext *ctx = avctx->hwaccel_context;
if (!ctx) {
return;
}
env = ff_jni_attach_env(&attached, avctx);
if (!env) {
return;
}
if (ctx->surface) {
(*env)->DeleteGlobalRef(env, ctx->surface);
ctx->surface = NULL;
}
if (attached) {
ff_jni_detach_env(avctx);
}
av_freep(&avctx->hwaccel_context);
}
int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render)
{
MediaCodecDecContext *ctx = buffer->ctx;
int released = avpriv_atomic_int_add_and_fetch(&buffer->released, 1);
if (released == 1) {
return ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, render);
}
return 0;
}
#else
#include <stdlib.h>
#include "mediacodec.h"
AVMediaCodecContext *av_mediacodec_alloc_context(void)
{
return NULL;
}
int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface)
{
return 0;
}
void av_mediacodec_default_free(AVCodecContext *avctx)
{
}
int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render)
{
return 0;
}
#endif
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