1 /*
2  * Android MediaCodec decoder
3  *
4  * Copyright (c) 2015-2016 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_MEDIACODECDEC_COMMON_H
24 #define AVCODEC_MEDIACODECDEC_COMMON_H
25 
26 #include <stdint.h>
27 #include <stdatomic.h>
28 #include <stdbool.h>
29 #include <sys/types.h>
30 
31 #include "libavutil/frame.h"
32 #include "libavutil/pixfmt.h"
33 
34 #include "avcodec.h"
35 #include "mediacodec_wrapper.h"
36 
37 typedef struct MediaCodecDecContext {
38 
39     AVCodecContext *avctx;
40     atomic_int refcount;
41     atomic_int hw_buffer_count;
42 
43     char *codec_name;
44 
45     FFAMediaCodec *codec;
46     FFAMediaFormat *format;
47 
48     void *surface;
49 
50     int started;
51     int draining;
52     int flushing;
53     int eos;
54 
55     int width;
56     int height;
57     int stride;
58     int slice_height;
59     int color_format;
60     int crop_top;
61     int crop_bottom;
62     int crop_left;
63     int crop_right;
64     int display_width;
65     int display_height;
66 
67     uint64_t output_buffer_count;
68     ssize_t current_input_buffer;
69 
70     bool delay_flush;
71     atomic_int serial;
72 
73 } MediaCodecDecContext;
74 
75 int ff_mediacodec_dec_init(AVCodecContext *avctx,
76                            MediaCodecDecContext *s,
77                            const char *mime,
78                            FFAMediaFormat *format);
79 
80 int ff_mediacodec_dec_send(AVCodecContext *avctx,
81                            MediaCodecDecContext *s,
82                            AVPacket *pkt,
83                            bool wait);
84 
85 int ff_mediacodec_dec_receive(AVCodecContext *avctx,
86                               MediaCodecDecContext *s,
87                               AVFrame *frame,
88                               bool wait);
89 
90 int ff_mediacodec_dec_flush(AVCodecContext *avctx,
91                             MediaCodecDecContext *s);
92 
93 int ff_mediacodec_dec_close(AVCodecContext *avctx,
94                             MediaCodecDecContext *s);
95 
96 int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx,
97                                   MediaCodecDecContext *s);
98 
99 typedef struct MediaCodecBuffer {
100 
101     MediaCodecDecContext *ctx;
102     ssize_t index;
103     int64_t pts;
104     atomic_int released;
105     int serial;
106 
107 } MediaCodecBuffer;
108 
109 #endif /* AVCODEC_MEDIACODECDEC_COMMON_H */
110