2 * Android MediaCodec public API
4 * Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
6 * This file is part of FFmpeg.
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.
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.
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
23 #ifndef AVCODEC_MEDIACODEC_H
24 #define AVCODEC_MEDIACODEC_H
26 #include "libavcodec/avcodec.h"
29 * This structure holds a reference to a android/view/Surface object that will
30 * be used as output by the decoder.
33 typedef struct AVMediaCodecContext {
36 * android/view/Surface object reference.
40 } AVMediaCodecContext;
43 * Allocate and initialize a MediaCodec context.
45 * When decoding with MediaCodec is finished, the caller must free the
46 * MediaCodec context with av_mediacodec_default_free.
48 * @return a pointer to a newly allocated AVMediaCodecContext on success, NULL otherwise
50 AVMediaCodecContext *av_mediacodec_alloc_context(void);
53 * Convenience function that sets up the MediaCodec context.
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
60 int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface);
63 * This function must be called to free the MediaCodec context initialized with
64 * av_mediacodec_default_init().
66 * @param avctx codec context
68 void av_mediacodec_default_free(AVCodecContext *avctx);
71 * Opaque structure representing a MediaCodec buffer to render.
73 typedef struct MediaCodecBuffer AVMediaCodecBuffer;
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.
81 * @param buffer the buffer to render
82 * @param render 1 to release and render the buffer to the surface or 0 to
84 * @return 0 on success, < 0 otherwise
86 int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render);
88 #endif /* AVCODEC_MEDIACODEC_H */