blob: 5606d24a1ee6e2a6e3442a80cb7ed7df631a8eec
| 1 | /* |
| 2 | * Android MediaCodec public API |
| 3 | * |
| 4 | * Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com> |
| 5 | * |
| 6 | * This file is part of FFmpeg. |
| 7 | * |
| 8 | * FFmpeg is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2.1 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * FFmpeg is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with FFmpeg; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | #ifndef AVCODEC_MEDIACODEC_H |
| 24 | #define AVCODEC_MEDIACODEC_H |
| 25 | |
| 26 | #include "libavcodec/avcodec.h" |
| 27 | |
| 28 | /** |
| 29 | * This structure holds a reference to a android/view/Surface object that will |
| 30 | * be used as output by the decoder. |
| 31 | * |
| 32 | */ |
| 33 | typedef struct AVMediaCodecContext { |
| 34 | |
| 35 | /** |
| 36 | * android/view/Surface object reference. |
| 37 | */ |
| 38 | void *surface; |
| 39 | |
| 40 | } AVMediaCodecContext; |
| 41 | |
| 42 | /** |
| 43 | * Allocate and initialize a MediaCodec context. |
| 44 | * |
| 45 | * When decoding with MediaCodec is finished, the caller must free the |
| 46 | * MediaCodec context with av_mediacodec_default_free. |
| 47 | * |
| 48 | * @return a pointer to a newly allocated AVMediaCodecContext on success, NULL otherwise |
| 49 | */ |
| 50 | AVMediaCodecContext *av_mediacodec_alloc_context(void); |
| 51 | |
| 52 | /** |
| 53 | * Convenience function that sets up the MediaCodec context. |
| 54 | * |
| 55 | * @param avctx codec context |
| 56 | * @param ctx MediaCodec context to initialize |
| 57 | * @param surface reference to an android/view/Surface |
| 58 | * @return 0 on success, < 0 otherwise |
| 59 | */ |
| 60 | int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface); |
| 61 | |
| 62 | /** |
| 63 | * This function must be called to free the MediaCodec context initialized with |
| 64 | * av_mediacodec_default_init(). |
| 65 | * |
| 66 | * @param avctx codec context |
| 67 | */ |
| 68 | void av_mediacodec_default_free(AVCodecContext *avctx); |
| 69 | |
| 70 | /** |
| 71 | * Opaque structure representing a MediaCodec buffer to render. |
| 72 | */ |
| 73 | typedef struct MediaCodecBuffer AVMediaCodecBuffer; |
| 74 | |
| 75 | /** |
| 76 | * Release a MediaCodec buffer and render it to the surface that is associated |
| 77 | * with the decoder. This function should only be called once on a given |
| 78 | * buffer, once released the underlying buffer returns to the codec, thus |
| 79 | * subsequent calls to this function will have no effect. |
| 80 | * |
| 81 | * @param buffer the buffer to render |
| 82 | * @param render 1 to release and render the buffer to the surface or 0 to |
| 83 | * discard the buffer |
| 84 | * @return 0 on success, < 0 otherwise |
| 85 | */ |
| 86 | int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render); |
| 87 | |
| 88 | #endif /* AVCODEC_MEDIACODEC_H */ |
| 89 |