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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"
#include "libavutil/error.h"
#include "mediacodec.h"
#if CONFIG_MEDIACODEC
#include <jni.h>
#include "libavcodec/avcodec.h"
#include "libavutil/mem.h"
#include "ffjni.h"
#include "mediacodecdec_common.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;
env = ff_jni_get_env(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;
}
return ret;
}
void av_mediacodec_default_free(AVCodecContext *avctx)
{
JNIEnv *env = NULL;
AVMediaCodecContext *ctx = avctx->hwaccel_context;
if (!ctx) {
return;
}
env = ff_jni_get_env(avctx);
if (!env) {
return;
}
if (ctx->surface) {
(*env)->DeleteGlobalRef(env, ctx->surface);
ctx->surface = NULL;
}
av_freep(&avctx->hwaccel_context);
}
int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render)
{
MediaCodecDecContext *ctx = buffer->ctx;
int released = atomic_fetch_add(&buffer->released, 1);
if (!released && (ctx->delay_flush || buffer->serial == atomic_load(&ctx->serial))) {
atomic_fetch_sub(&ctx->hw_buffer_count, 1);
av_log(ctx->avctx, AV_LOG_DEBUG,
"Releasing output buffer %zd (%p) ts=%"PRId64" with render=%d [%d pending]\n",
buffer->index, buffer, buffer->pts, render, atomic_load(&ctx->hw_buffer_count));
return ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, render);
}
return 0;
}
int av_mediacodec_render_buffer_at_time(AVMediaCodecBuffer *buffer, int64_t time)
{
MediaCodecDecContext *ctx = buffer->ctx;
int released = atomic_fetch_add(&buffer->released, 1);
if (!released && (ctx->delay_flush || buffer->serial == atomic_load(&ctx->serial))) {
atomic_fetch_sub(&ctx->hw_buffer_count, 1);
av_log(ctx->avctx, AV_LOG_DEBUG,
"Rendering output buffer %zd (%p) ts=%"PRId64" with time=%"PRId64" [%d pending]\n",
buffer->index, buffer, buffer->pts, time, atomic_load(&ctx->hw_buffer_count));
return ff_AMediaCodec_releaseOutputBufferAtTime(ctx->codec, buffer->index, time);
}
return 0;
}
#else
#include <stdlib.h>
AVMediaCodecContext *av_mediacodec_alloc_context(void)
{
return NULL;
}
int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface)
{
return AVERROR(ENOSYS);
}
void av_mediacodec_default_free(AVCodecContext *avctx)
{
}
int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render)
{
return AVERROR(ENOSYS);
}
int av_mediacodec_render_buffer_at_time(AVMediaCodecBuffer *buffer, int64_t time)
{
return AVERROR(ENOSYS);
}
#endif
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