diff options
Diffstat (limited to 'libavcodec/mediacodec.c')
-rw-r--r-- | libavcodec/mediacodec.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/libavcodec/mediacodec.c b/libavcodec/mediacodec.c new file mode 100644 index 0000000..d492eef --- /dev/null +++ b/libavcodec/mediacodec.c @@ -0,0 +1,124 @@ +/* + * 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" +#include "version.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) { + return ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, render); + } + + 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); +} + +#endif |