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| | |
| | | /* |
| | | * Android MediaCodec public API |
| | | * |
| | | * 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 |
| | | */ |
| | | |
| | | #ifndef AVCODEC_MEDIACODEC_H |
| | | #define AVCODEC_MEDIACODEC_H |
| | | |
| | | #include "libavcodec/avcodec.h" |
| | | |
| | | /** |
| | | * This structure holds a reference to a android/view/Surface object that will |
| | | * be used as output by the decoder. |
| | | * |
| | | */ |
| | | typedef struct AVMediaCodecContext { |
| | | |
| | | /** |
| | | * android/view/Surface object reference. |
| | | */ |
| | | void *surface; |
| | | |
| | | } AVMediaCodecContext; |
| | | |
| | | /** |
| | | * Allocate and initialize a MediaCodec context. |
| | | * |
| | | * When decoding with MediaCodec is finished, the caller must free the |
| | | * MediaCodec context with av_mediacodec_default_free. |
| | | * |
| | | * @return a pointer to a newly allocated AVMediaCodecContext on success, NULL otherwise |
| | | */ |
| | | AVMediaCodecContext *av_mediacodec_alloc_context(void); |
| | | |
| | | /** |
| | | * Convenience function that sets up the MediaCodec context. |
| | | * |
| | | * @param avctx codec context |
| | | * @param ctx MediaCodec context to initialize |
| | | * @param surface reference to an android/view/Surface |
| | | * @return 0 on success, < 0 otherwise |
| | | */ |
| | | int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface); |
| | | |
| | | /** |
| | | * This function must be called to free the MediaCodec context initialized with |
| | | * av_mediacodec_default_init(). |
| | | * |
| | | * @param avctx codec context |
| | | */ |
| | | void av_mediacodec_default_free(AVCodecContext *avctx); |
| | | |
| | | /** |
| | | * Opaque structure representing a MediaCodec buffer to render. |
| | | */ |
| | | typedef struct MediaCodecBuffer AVMediaCodecBuffer; |
| | | |
| | | /** |
| | | * Release a MediaCodec buffer and render it to the surface that is associated |
| | | * with the decoder. This function should only be called once on a given |
| | | * buffer, once released the underlying buffer returns to the codec, thus |
| | | * subsequent calls to this function will have no effect. |
| | | * |
| | | * @param buffer the buffer to render |
| | | * @param render 1 to release and render the buffer to the surface or 0 to |
| | | * discard the buffer |
| | | * @return 0 on success, < 0 otherwise |
| | | */ |
| | | int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render); |
| | | |
| | | /** |
| | | * Release a MediaCodec buffer and render it at the given time to the surface |
| | | * that is associated with the decoder. The timestamp must be within one second |
| | | * of the current java/lang/System#nanoTime() (which is implemented using |
| | | * CLOCK_MONOTONIC on Android). See the Android MediaCodec documentation |
| | | * of android/media/MediaCodec#releaseOutputBuffer(int,long) for more details. |
| | | * |
| | | * @param buffer the buffer to render |
| | | * @param time timestamp in nanoseconds of when to render the buffer |
| | | * @return 0 on success, < 0 otherwise |
| | | */ |
| | | int av_mediacodec_render_buffer_at_time(AVMediaCodecBuffer *buffer, int64_t time); |
| | | |
| | | #endif /* AVCODEC_MEDIACODEC_H */ |