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 <mgba-util/common.h>
10
11CXX_GUARD_START
12
13#include <mgba/internal/gba/rr/rr.h>
14
15struct GBA;
16struct VDir;
17struct VFile;
18
19enum GBAMGMTag {
20	// Playback tags
21	TAG_INVALID = 0x00,
22	TAG_INPUT = 0x01,
23	TAG_FRAME = 0x02,
24	TAG_LAG = 0x03,
25	TAG_RESET = 0x04,
26
27	// Stream chunking tags
28	TAG_BEGIN = 0x10,
29	TAG_END = 0x11,
30	TAG_PREVIOUSLY = 0x12,
31	TAG_NEXT_TIME = 0x13,
32	TAG_MAX_STREAM = 0x14,
33
34	// Recording information tags
35	TAG_FRAME_COUNT = 0x20,
36	TAG_LAG_COUNT = 0x21,
37	TAG_RR_COUNT = 0x22,
38	TAG_INIT = 0x24,
39	TAG_INIT_EX_NIHILO = 0x24 | INIT_EX_NIHILO,
40	TAG_INIT_FROM_SAVEGAME = 0x24 | INIT_FROM_SAVEGAME,
41	TAG_INIT_FROM_SAVESTATE = 0x24 | INIT_FROM_SAVESTATE,
42	TAG_INIT_FROM_BOTH = 0x24 | INIT_FROM_BOTH,
43
44	// User metadata tags
45	TAG_AUTHOR = 0x30,
46	TAG_COMMENT = 0x31,
47
48	TAG_EOF = INT_MAX
49};
50
51struct GBAMGMContext {
52	struct GBARRContext d;
53
54	// Playback state
55	bool isPlaying;
56	bool autorecord;
57
58	// Recording state
59	bool isRecording;
60	bool inputThisFrame;
61
62	// Metadata
63	uint32_t streamId;
64
65	uint32_t maxStreamId;
66	off_t maxStreamIdOffset;
67	off_t initFromOffset;
68	off_t rrCountOffset;
69
70	// Streaming state
71	struct VDir* streamDir;
72	struct VFile* metadataFile;
73	struct VFile* movieStream;
74	uint16_t currentInput;
75	enum GBAMGMTag peekedTag;
76	uint32_t nextTime;
77	uint32_t previously;
78};
79
80void GBAMGMContextCreate(struct GBAMGMContext*);
81
82bool GBAMGMSetStream(struct GBAMGMContext* mgm, struct VDir* stream);
83bool GBAMGMCreateStream(struct GBAMGMContext* mgm, enum GBARRInitFrom initFrom);
84
85CXX_GUARD_END
86
87#endif