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mediacodec.h
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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 
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  */
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  */
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  */
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 */
This structure holds a reference to a android/view/Surface object that will be used as output by the ...
Definition: mediacodec.h:33
void av_mediacodec_default_free(AVCodecContext *avctx)
This function must be called to free the MediaCodec context initialized with av_mediacodec_default_in...
Definition: mediacodec.c:115
Opaque structure representing a MediaCodec buffer to render.
int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render)
Release a MediaCodec buffer and render it to the surface that is associated with the decoder...
Definition: mediacodec.c:119
int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface)
Convenience function that sets up the MediaCodec context.
Definition: mediacodec.c:110
AVFormatContext * ctx
Definition: movenc.c:48
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1502
AVMediaCodecContext * av_mediacodec_alloc_context(void)
Allocate and initialize a MediaCodec context.
Definition: mediacodec.c:105
void * surface
android/view/Surface object reference.
Definition: mediacodec.h:38
GLuint buffer
Definition: opengl_enc.c:102