| /* | |
| * 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 | |
| */ | |
| /** | |
| * 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)`][0] 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 | |
| * | |
| * [0]: https://developer.android.com/reference/android/media/MediaCodec#releaseOutputBuffer(int,%20long) | |
| */ | |
| int av_mediacodec_render_buffer_at_time(AVMediaCodecBuffer *buffer, int64_t time); | |