src/gba/rr/mgm.h (view raw)
1/* Copyright (c) 2013-2015 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#ifndef RR_MGM_H
7#define RR_MGM_H
8
9#include "util/common.h"
10
11#include "gba/rr/rr.h"
12
13struct GBA;
14struct VDir;
15struct VFile;
16
17enum GBAMGMTag {
18 // Playback tags
19 TAG_INVALID = 0x00,
20 TAG_INPUT = 0x01,
21 TAG_FRAME = 0x02,
22 TAG_LAG = 0x03,
23 TAG_RESET = 0x04,
24
25 // Stream chunking tags
26 TAG_BEGIN = 0x10,
27 TAG_END = 0x11,
28 TAG_PREVIOUSLY = 0x12,
29 TAG_NEXT_TIME = 0x13,
30 TAG_MAX_STREAM = 0x14,
31
32 // Recording information tags
33 TAG_FRAME_COUNT = 0x20,
34 TAG_LAG_COUNT = 0x21,
35 TAG_RR_COUNT = 0x22,
36 TAG_INIT = 0x24,
37 TAG_INIT_EX_NIHILO = 0x24 | INIT_EX_NIHILO,
38 TAG_INIT_FROM_SAVEGAME = 0x24 | INIT_FROM_SAVEGAME,
39 TAG_INIT_FROM_SAVESTATE = 0x24 | INIT_FROM_SAVESTATE,
40 TAG_INIT_FROM_BOTH = 0x24 | INIT_FROM_BOTH,
41
42 // User metadata tags
43 TAG_AUTHOR = 0x30,
44 TAG_COMMENT = 0x31,
45
46 TAG_EOF = INT_MAX
47};
48
49struct GBAMGMContext {
50 struct GBARRContext d;
51
52 // Playback state
53 bool isPlaying;
54 bool autorecord;
55
56 // Recording state
57 bool isRecording;
58 bool inputThisFrame;
59
60 // Metadata
61 uint32_t streamId;
62
63 uint32_t maxStreamId;
64 off_t maxStreamIdOffset;
65 off_t initFromOffset;
66 off_t rrCountOffset;
67
68 // Streaming state
69 struct VDir* streamDir;
70 struct VFile* metadataFile;
71 struct VFile* movieStream;
72 uint16_t currentInput;
73 enum GBAMGMTag peekedTag;
74 uint32_t nextTime;
75 uint32_t previously;
76};
77
78void GBAMGMContextCreate(struct GBAMGMContext*);
79
80bool GBAMGMSetStream(struct GBAMGMContext* mgm, struct VDir* stream);
81bool GBAMGMCreateStream(struct GBAMGMContext* mgm, enum GBARRInitFrom initFrom);
82
83#endif