author | Michael Krelin <hacker@klever.net> | 2006-08-11 16:01:56 (UTC) |
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committer | Michael Krelin <hacker@klever.net> | 2006-08-11 16:01:56 (UTC) |
commit | 0c21a7a0d5b84dc6726462f0fbe51b8c32433262 (patch) (unidiff) | |
tree | 9df6334cb1a61efebe68f7bcef9aa119a823626a /include/midillo | |
parent | 9bcc235e575a95989a5903394c127accbeef2e0f (diff) | |
download | midillo-0c21a7a0d5b84dc6726462f0fbe51b8c32433262.zip midillo-0c21a7a0d5b84dc6726462f0fbe51b8c32433262.tar.gz midillo-0c21a7a0d5b84dc6726462f0fbe51b8c32433262.tar.bz2 |
initial commit into repository0.0
-rw-r--r-- | include/midillo/MThd.h | 74 | ||||
-rw-r--r-- | include/midillo/MTrk.h | 54 | ||||
-rw-r--r-- | include/midillo/SMF.h | 87 | ||||
-rw-r--r-- | include/midillo/chunk.h | 88 | ||||
-rw-r--r-- | include/midillo/event.h | 99 | ||||
-rw-r--r-- | include/midillo/exception.h | 55 | ||||
-rw-r--r-- | include/midillo/message.h | 200 | ||||
-rw-r--r-- | include/midillo/util.h | 63 |
8 files changed, 720 insertions, 0 deletions
diff --git a/include/midillo/MThd.h b/include/midillo/MThd.h new file mode 100644 index 0000000..20263cd --- a/dev/null +++ b/include/midillo/MThd.h | |||
@@ -0,0 +1,74 @@ | |||
1 | #ifndef __MIDILLO_MTHD_H | ||
2 | #define __MIDILLO_MTHD_H | ||
3 | |||
4 | #include <istream> | ||
5 | #include <ostream> | ||
6 | #include <midillo/chunk.h> | ||
7 | |||
8 | /** | ||
9 | * @file | ||
10 | * @brief the MThd_t -- MThd header chunk class | ||
11 | */ | ||
12 | |||
13 | namespace midillo { | ||
14 | using std::istream; | ||
15 | using std::ostream; | ||
16 | |||
17 | /** | ||
18 | * MThd header chunk container | ||
19 | */ | ||
20 | class MThd_t : public chunk_t { | ||
21 | public: | ||
22 | enum { | ||
23 | fmt_0 = 0, fmt_1 = 1, fmt_2 = 2, | ||
24 | fmt_singletrack = fmt_0, | ||
25 | fmt_multitrack = fmt_1, | ||
26 | fmt_tracksequence = fmt_2 | ||
27 | }; | ||
28 | /** | ||
29 | * SMF format. 0 for single track, 1 for multitrack, 2 for track | ||
30 | * sequence. | ||
31 | */ | ||
32 | int fmt; | ||
33 | /** | ||
34 | * Number of tracks in the file | ||
35 | */ | ||
36 | int ntracks; | ||
37 | /** | ||
38 | * The number of pulses per quarter note | ||
39 | */ | ||
40 | int division; | ||
41 | |||
42 | /** | ||
43 | * Load MThd chunk from the stream | ||
44 | * @param s input stream | ||
45 | */ | ||
46 | void load(istream& s); | ||
47 | |||
48 | /** | ||
49 | * Read MThd chunk data from the stream. This function assumes that | ||
50 | * header is already read. | ||
51 | * @param s input stream | ||
52 | */ | ||
53 | void load_data(istream& s); | ||
54 | |||
55 | /** | ||
56 | * Save MThd chunk to the stream | ||
57 | * @param s output stream | ||
58 | */ | ||
59 | void save(ostream& s) const; | ||
60 | |||
61 | /** | ||
62 | * Dump textual representation of MThd chunk to stream | ||
63 | * @param s output stream | ||
64 | */ | ||
65 | void dump(ostream& s) const; | ||
66 | }; | ||
67 | |||
68 | inline ostream& operator<<(ostream& s,const MThd_t& mthd) { | ||
69 | mthd.dump(s); return s; | ||
70 | } | ||
71 | |||
72 | } | ||
73 | |||
74 | #endif /* MIDILLO_MTHD_H */ | ||
diff --git a/include/midillo/MTrk.h b/include/midillo/MTrk.h new file mode 100644 index 0000000..0884388 --- a/dev/null +++ b/include/midillo/MTrk.h | |||
@@ -0,0 +1,54 @@ | |||
1 | #ifndef __MIDILLO_MTRK_H | ||
2 | #define __MIDILLO_MTRK_H | ||
3 | |||
4 | #include <istream> | ||
5 | #include <ostream> | ||
6 | #include <list> | ||
7 | #include <midillo/chunk.h> | ||
8 | #include <midillo/event.h> | ||
9 | |||
10 | /** | ||
11 | * @file | ||
12 | * @brief MTrk -- track chunk container | ||
13 | */ | ||
14 | |||
15 | namespace midillo { | ||
16 | using std::istream; | ||
17 | using std::ostream; | ||
18 | |||
19 | /** | ||
20 | * MTrk track chunk container class | ||
21 | */ | ||
22 | class MTrk_t : public chunk_t { | ||
23 | public: | ||
24 | /** | ||
25 | * MIDI events contained in the track | ||
26 | */ | ||
27 | events_t events; | ||
28 | |||
29 | /** | ||
30 | * Load MTrk chunk from the stream | ||
31 | * @param s input stream | ||
32 | */ | ||
33 | void load(istream& s); | ||
34 | |||
35 | /** | ||
36 | * Save MTrk chunk to the stream | ||
37 | * @param s output stream | ||
38 | */ | ||
39 | void save(ostream& s) const; | ||
40 | |||
41 | /** | ||
42 | * Dump textual representation of MTrk chunk to stream | ||
43 | * @param s output stream | ||
44 | */ | ||
45 | void dump(ostream& s) const; | ||
46 | }; | ||
47 | |||
48 | inline ostream& operator<<(ostream& s,const MTrk_t& mtrk) { | ||
49 | mtrk.dump(s); return s; | ||
50 | } | ||
51 | |||
52 | } | ||
53 | |||
54 | #endif /* __MIDILLO_MTRK_H */ | ||
diff --git a/include/midillo/SMF.h b/include/midillo/SMF.h new file mode 100644 index 0000000..bec9f7a --- a/dev/null +++ b/include/midillo/SMF.h | |||
@@ -0,0 +1,87 @@ | |||
1 | #ifndef __MIDILLO_SMF_H | ||
2 | #define __MIDILLO_SMF_H | ||
3 | |||
4 | #include <istream> | ||
5 | #include <ostream> | ||
6 | #include <list> | ||
7 | #include <midillo/MThd.h> | ||
8 | #include <midillo/MTrk.h> | ||
9 | |||
10 | /** | ||
11 | * @file | ||
12 | * @brief the SMF_t -- standard midi file | ||
13 | */ | ||
14 | |||
15 | namespace midillo { | ||
16 | using std::istream; | ||
17 | using std::vector; | ||
18 | using std::ostream; | ||
19 | |||
20 | /** | ||
21 | * Standard midi file object | ||
22 | */ | ||
23 | class SMF_t { | ||
24 | public: | ||
25 | /** | ||
26 | * MThd header chunk | ||
27 | */ | ||
28 | MThd_t mthd; | ||
29 | /** | ||
30 | * The type for collection of MTrk track chunks | ||
31 | */ | ||
32 | typedef list<MTrk_t> tracks_t; | ||
33 | /** | ||
34 | * MTrk track chunks collection for the file | ||
35 | */ | ||
36 | tracks_t tracks; | ||
37 | |||
38 | SMF_t() { } | ||
39 | /** | ||
40 | * Construct object from the file | ||
41 | * @see load(const char *f,bool stdinable) | ||
42 | */ | ||
43 | SMF_t(const char *f,bool stdinable=true) { load(f,stdinable); } | ||
44 | /** | ||
45 | * Construct object from the stream | ||
46 | * @see load(istream& s) | ||
47 | */ | ||
48 | SMF_t(istream& s) { load(s); } | ||
49 | |||
50 | /** | ||
51 | * Load MIDI data from the file | ||
52 | * @param f filename | ||
53 | * @param stdinable true if '-' is treatead as cin input stream | ||
54 | */ | ||
55 | void load(const char *f,bool stdinable=true); | ||
56 | /** | ||
57 | * Load midi data from the stream | ||
58 | * @param s input stream | ||
59 | */ | ||
60 | void load(istream& s); | ||
61 | |||
62 | /** | ||
63 | * Save MIDI data to the file | ||
64 | * @param f filename | ||
65 | * @param stdoutable true if '-' is treated as cout output stream | ||
66 | */ | ||
67 | void save(const char *f,bool stdoutable=true) const; | ||
68 | /** | ||
69 | * Save MIDI data to the stream | ||
70 | * @param s output stream | ||
71 | */ | ||
72 | void save(ostream& s) const; | ||
73 | |||
74 | /** | ||
75 | * Dump textual representation of SMF to stream | ||
76 | * @param s output stream | ||
77 | */ | ||
78 | void dump(ostream& s) const; | ||
79 | }; | ||
80 | |||
81 | inline ostream& operator<<(ostream& s,const SMF_t& smf) { | ||
82 | smf.dump(s); return s; | ||
83 | } | ||
84 | |||
85 | } | ||
86 | |||
87 | #endif /* __MIDILLO_SMF_H */ | ||
diff --git a/include/midillo/chunk.h b/include/midillo/chunk.h new file mode 100644 index 0000000..8b6c034 --- a/dev/null +++ b/include/midillo/chunk.h | |||
@@ -0,0 +1,88 @@ | |||
1 | #ifndef __MIDILLO_CHUNK_H | ||
2 | #define __MIDILLO_CHUNK_H | ||
3 | |||
4 | #include <istream> | ||
5 | #include <ostream> | ||
6 | |||
7 | /** | ||
8 | * @file | ||
9 | * @brief Generic SMF chunk manipulation | ||
10 | */ | ||
11 | |||
12 | namespace midillo { | ||
13 | using std::istream; | ||
14 | using std::ostream; | ||
15 | |||
16 | enum { | ||
17 | chunk_id_MThd = 0x6468544d, | ||
18 | chunk_id_MTrk = 0x6b72544d | ||
19 | }; | ||
20 | /** | ||
21 | * Chunk header data structure | ||
22 | */ | ||
23 | struct chunk_header_t { | ||
24 | /** | ||
25 | * Track signature data | ||
26 | */ | ||
27 | union { | ||
28 | /** | ||
29 | * ASCII representation | ||
30 | */ | ||
31 | char id_chars[4]; | ||
32 | /** | ||
33 | * long integer representation | ||
34 | */ | ||
35 | unsigned long id_number; | ||
36 | }; | ||
37 | /** | ||
38 | * Chunk length | ||
39 | */ | ||
40 | unsigned long length; | ||
41 | |||
42 | chunk_header_t() | ||
43 | : id_number(0), length(0) { } | ||
44 | chunk_header_t(const chunk_header_t& s) | ||
45 | : id_number(s.id_number), length(s.length) { }; | ||
46 | |||
47 | chunk_header_t& operator=(const chunk_header_t& s) { | ||
48 | id_number=s.id_number; length=s.length; | ||
49 | return *this; | ||
50 | } | ||
51 | |||
52 | /** | ||
53 | * Load chunk header from the stream | ||
54 | * @param s input stream | ||
55 | */ | ||
56 | void load(istream& s); | ||
57 | /** | ||
58 | * Save chunk header to the stream | ||
59 | * @param s output stream | ||
60 | */ | ||
61 | void save(ostream& s) const; | ||
62 | |||
63 | /** | ||
64 | * Dump textual representation of chunk header to stream | ||
65 | * @param s output stream | ||
66 | */ | ||
67 | void dump(ostream& s) const; | ||
68 | |||
69 | }; | ||
70 | |||
71 | inline ostream& operator<<(ostream& s,const chunk_header_t& ch) { | ||
72 | ch.dump(s); return s; | ||
73 | } | ||
74 | |||
75 | /** | ||
76 | * Base class for specific chunk containers | ||
77 | */ | ||
78 | class chunk_t { | ||
79 | public: | ||
80 | /** | ||
81 | * Chunk header data | ||
82 | */ | ||
83 | chunk_header_t header; | ||
84 | }; | ||
85 | |||
86 | } | ||
87 | |||
88 | #endif /* __MIDILLO_CHUNK_H */ | ||
diff --git a/include/midillo/event.h b/include/midillo/event.h new file mode 100644 index 0000000..85f6175 --- a/dev/null +++ b/include/midillo/event.h | |||
@@ -0,0 +1,99 @@ | |||
1 | #ifndef __MIDILLO_EVENT_H | ||
2 | #define __MIDILLO_EVENT_H | ||
3 | |||
4 | #include <istream> | ||
5 | #include <ostream> | ||
6 | #include <list> | ||
7 | #include <midillo/message.h> | ||
8 | |||
9 | /** | ||
10 | * @file | ||
11 | * @brief midi event container | ||
12 | */ | ||
13 | |||
14 | namespace midillo { | ||
15 | using std::istream; | ||
16 | using std::ostream; | ||
17 | using std::list; | ||
18 | |||
19 | /** | ||
20 | * MIDI event container class | ||
21 | */ | ||
22 | class event_t { | ||
23 | public: | ||
24 | /** | ||
25 | * delta time since the last event | ||
26 | */ | ||
27 | long deltat; | ||
28 | /** | ||
29 | * MIDI message itself | ||
30 | */ | ||
31 | message_t message; | ||
32 | |||
33 | /** | ||
34 | * Load MIDI event from the stream | ||
35 | * @param rs reference to the running status | ||
36 | * @param s input stream | ||
37 | */ | ||
38 | void load(int& rs,istream& s); | ||
39 | |||
40 | /** | ||
41 | * Save MIDI event to the stream | ||
42 | * @param rs reference to the running status | ||
43 | * @param s output stream | ||
44 | */ | ||
45 | void save(int& rs,ostream& s) const; | ||
46 | |||
47 | /** | ||
48 | * Calculate the amount of data that would be written to stream in | ||
49 | * case of save | ||
50 | * @param rs reference to the running status | ||
51 | * @return the number of bytes | ||
52 | */ | ||
53 | unsigned long calculate_save_size(int& rs) const; | ||
54 | |||
55 | /** | ||
56 | * Dump textual representation of event to stream | ||
57 | * @param s output stream | ||
58 | */ | ||
59 | void dump(ostream& s) const; | ||
60 | }; | ||
61 | |||
62 | inline ostream& operator<<(ostream& s,const event_t& e) { | ||
63 | e.dump(s); return s; | ||
64 | } | ||
65 | |||
66 | /** | ||
67 | * MIDI events list container | ||
68 | */ | ||
69 | class events_t : public list<event_t> { | ||
70 | public: | ||
71 | |||
72 | /** | ||
73 | * Append empty event to the end of the list | ||
74 | * @return iterator, pointing to the appended event | ||
75 | */ | ||
76 | iterator append_event(); | ||
77 | |||
78 | /** | ||
79 | * Load MIDI events (track data) from the stream | ||
80 | * @param s input stream | ||
81 | */ | ||
82 | void load(istream& s); | ||
83 | /** | ||
84 | * Save MIDI events (track data) to the stream | ||
85 | * @param s output stream | ||
86 | */ | ||
87 | void save(ostream& s) const; | ||
88 | |||
89 | /** | ||
90 | * Calculate the size of the track data that would be written to | ||
91 | * the stream by save() | ||
92 | * @return the number of bytes | ||
93 | */ | ||
94 | unsigned long calculate_save_size() const; | ||
95 | }; | ||
96 | |||
97 | } | ||
98 | |||
99 | #endif /* __MIDILLO_EVENT_H */ | ||
diff --git a/include/midillo/exception.h b/include/midillo/exception.h new file mode 100644 index 0000000..fb6da27 --- a/dev/null +++ b/include/midillo/exception.h | |||
@@ -0,0 +1,55 @@ | |||
1 | #ifndef __MIDILLO_EXCEPTION_H | ||
2 | #define __MIDILLO_EXCEPTION_H | ||
3 | |||
4 | #include <konforka/exception.h> | ||
5 | |||
6 | /** | ||
7 | * @file | ||
8 | * @brief midillo specific exceptions | ||
9 | */ | ||
10 | |||
11 | namespace midillo { | ||
12 | using std::string; | ||
13 | |||
14 | /** | ||
15 | * Base midillo exception class | ||
16 | */ | ||
17 | class exception : public konforka::exception { | ||
18 | public: | ||
19 | explicit exception(const string& fi,const string& fu,int l,const string& w) | ||
20 | : konforka::exception(fi,fu,l,w) { } | ||
21 | }; | ||
22 | |||
23 | class exception_io_error : public exception { | ||
24 | public: | ||
25 | explicit exception_io_error(const string& fi,const string& fu,int l,const string& w) | ||
26 | : exception(fi,fu,l,w) { } | ||
27 | }; | ||
28 | |||
29 | class exception_input_error : public exception_io_error { | ||
30 | public: | ||
31 | explicit exception_input_error(const string& fi,const string& fu,int l,const string& w) | ||
32 | : exception_io_error(fi,fu,l,w) { } | ||
33 | }; | ||
34 | |||
35 | class exception_invalid_input : public exception_input_error { | ||
36 | public: | ||
37 | explicit exception_invalid_input(const string& fi,const string& fu,int l,const string& w) | ||
38 | : exception_input_error(fi,fu,l,w) { } | ||
39 | }; | ||
40 | |||
41 | class exception_unexpected_input : public exception_invalid_input { | ||
42 | public: | ||
43 | explicit exception_unexpected_input(const string& fi,const string& fu,int l,const string& w) | ||
44 | : exception_invalid_input(fi,fu,l,w) { } | ||
45 | }; | ||
46 | |||
47 | class exception_output_error : public exception_io_error { | ||
48 | public: | ||
49 | explicit exception_output_error(const string& fi,const string& fu,int l,const string& w) | ||
50 | : exception_io_error(fi,fu,l,w) { } | ||
51 | }; | ||
52 | |||
53 | }; | ||
54 | |||
55 | #endif /* __MIDILLO_EXCEPTION_H */ | ||
diff --git a/include/midillo/message.h b/include/midillo/message.h new file mode 100644 index 0000000..d6f0f36 --- a/dev/null +++ b/include/midillo/message.h | |||
@@ -0,0 +1,200 @@ | |||
1 | #ifndef __MIDILLO_MESSAGE_H | ||
2 | #define __MIDILLO_MESSAGE_H | ||
3 | |||
4 | #include <istream> | ||
5 | #include <ostream> | ||
6 | #include <vector> | ||
7 | |||
8 | /** | ||
9 | * @file | ||
10 | * @brief MIDI message | ||
11 | */ | ||
12 | |||
13 | namespace midillo { | ||
14 | using std::istream; | ||
15 | using std::ostream; | ||
16 | using std::vector; | ||
17 | |||
18 | enum { | ||
19 | // bits | ||
20 | status_bit = 0x80, | ||
21 | status_event_bits = 0xF0, | ||
22 | status_channel_bits = 0x0F, | ||
23 | status_system_bits = 0xFF, | ||
24 | // channel voice messages | ||
25 | status_note_off = 0x80, | ||
26 | status_note_on = 0x90, | ||
27 | status_polyphonic_key_pressure = 0xA0, | ||
28 | status_aftertouch = status_polyphonic_key_pressure, | ||
29 | status_control_change = 0xB0, | ||
30 | status_program_change = 0xC0, | ||
31 | status_channel_pressure = 0xD0, | ||
32 | status_pitch_wheel_change = 0xE0, | ||
33 | status_system = 0xF0, | ||
34 | // system common messages | ||
35 | status_system_sysex = 0xF0, | ||
36 | status_system_MTC_quarter_frame = 0xF1, | ||
37 | status_system_song_position_pointer = 0xF2, | ||
38 | status_system_song_select = 0xF3, | ||
39 | status_system_tune_request = 0xF6, | ||
40 | status_system_end_of_sysex = 0xF7, | ||
41 | // system real-time messages | ||
42 | status_system_timing_clock = 0xF8, | ||
43 | status_system_midi_clock = status_system_timing_clock, | ||
44 | status_system_midi_tick = 0xF9, | ||
45 | status_system_start = 0xFA, | ||
46 | status_system_midi_start = status_system_start, | ||
47 | status_system_continue = 0xFB, | ||
48 | status_system_midi_continue = status_system_continue, | ||
49 | status_system_stop = 0xFC, | ||
50 | status_system_midi_stop = status_system_stop, | ||
51 | status_system_active_sense = 0xFE, | ||
52 | status_system_rest = 0xFF, | ||
53 | status_system_reset = status_system_rest, | ||
54 | // midi file specific | ||
55 | status_system_meta = 0xFF | ||
56 | }; | ||
57 | enum { | ||
58 | // meta events | ||
59 | meta_sequence_number = 0x00, | ||
60 | meta_text = 0x01, | ||
61 | meta_copyright = 0x02, | ||
62 | meta_seq_track_name = 0x03, | ||
63 | meta_instrument = 0x04, | ||
64 | meta_lyric = 0x05, | ||
65 | meta_marker = 0x06, | ||
66 | meta_cue_point = 0x07, | ||
67 | meta_patch_name = 0x08, | ||
68 | meta_port_name = 0x09, | ||
69 | meta_EOT = 0x2F, | ||
70 | meta_tempo = 0x51, | ||
71 | meta_SMPTE_offset = 0x54, | ||
72 | meta_time_sig = 0x58, | ||
73 | meta_key_sig = 0x59, | ||
74 | meta_proprietary = 0x7F, | ||
75 | // obsolete meta events | ||
76 | meta_midi_channel = 0x20, | ||
77 | meta_midi_port = 0x21 | ||
78 | }; | ||
79 | |||
80 | /** | ||
81 | * MIDI message container | ||
82 | */ | ||
83 | class message_t { | ||
84 | public: | ||
85 | /** | ||
86 | * MIDI status byte | ||
87 | */ | ||
88 | int status; | ||
89 | /** | ||
90 | * MIDI meta event type | ||
91 | */ | ||
92 | int meta_status; | ||
93 | typedef unsigned char byte_t; | ||
94 | typedef vector<byte_t> bytes_t; | ||
95 | /** | ||
96 | * MIDI message data -- content is message-specific | ||
97 | */ | ||
98 | bytes_t data; | ||
99 | |||
100 | message_t() | ||
101 | : status(-1) { } | ||
102 | message_t(const message_t& m) | ||
103 | : status(m.status), meta_status(m.meta_status), data(m.data) { } | ||
104 | |||
105 | message_t& operator=(const message_t& m) { | ||
106 | status = m.status; | ||
107 | meta_status = m.meta_status; | ||
108 | data = m.data; | ||
109 | return *this; | ||
110 | } | ||
111 | |||
112 | /** | ||
113 | * Load MIDI message from the stream | ||
114 | * @param rs reference to the running status | ||
115 | * @param s input stream | ||
116 | */ | ||
117 | void load(int& rs,istream& s); | ||
118 | /** | ||
119 | * Save MIDI message to the stream | ||
120 | * @param rs reference to the running status | ||
121 | * @param s output stream | ||
122 | */ | ||
123 | void save(int& rs,ostream& s) const; | ||
124 | /** | ||
125 | * Calculate the amount of data that would be written to stream in | ||
126 | * case of save() | ||
127 | * @param rs reference to the running status | ||
128 | * @return the number of bytes | ||
129 | */ | ||
130 | unsigned long calculate_save_size(int& rs) const; | ||
131 | |||
132 | /** | ||
133 | * Load data so that we have c bytes of data for the event | ||
134 | * @param s input stream | ||
135 | * @param c size of data needed for the event | ||
136 | */ | ||
137 | void load_data(istream& s,int c); | ||
138 | /** | ||
139 | * Load sysex data from the stream | ||
140 | * @param s input stream | ||
141 | */ | ||
142 | void load_sysex(istream& s); | ||
143 | |||
144 | /** | ||
145 | * Save data to the stream | ||
146 | * @param s output stream | ||
147 | */ | ||
148 | void save_data(ostream& s) const; | ||
149 | /** | ||
150 | * Save data to the stream and verify if the amount of data is | ||
151 | * correct | ||
152 | * @param s output stream | ||
153 | * @param c data bytes count | ||
154 | */ | ||
155 | void save_data(ostream& s,int c) const; | ||
156 | /** | ||
157 | * Save sysex data to the stream | ||
158 | * @param s output stream | ||
159 | */ | ||
160 | void save_sysex(ostream& s) const; | ||
161 | |||
162 | /** | ||
163 | * See if the event is meta event | ||
164 | * @return true if yes | ||
165 | */ | ||
166 | bool is_meta() const { | ||
167 | return status==status_system_meta; | ||
168 | } | ||
169 | /** | ||
170 | * Check whether the event is a specific meta event | ||
171 | * @param meta meta event type | ||
172 | * @return true if yes | ||
173 | */ | ||
174 | bool is_meta(int meta) const { | ||
175 | return is_meta() && (meta_status==meta); | ||
176 | } | ||
177 | |||
178 | /** | ||
179 | * See if the event is system event | ||
180 | * @return true if yes | ||
181 | */ | ||
182 | bool is_system() const { | ||
183 | return (status&status_event_bits)==status_system && !is_meta(); | ||
184 | } | ||
185 | |||
186 | /** | ||
187 | * Dump textual representation of midi message to stream | ||
188 | * @param s output stream | ||
189 | */ | ||
190 | void dump(ostream& s) const; | ||
191 | |||
192 | }; | ||
193 | |||
194 | inline ostream& operator<<(ostream& s,const message_t& m) { | ||
195 | m.dump(s); return s; | ||
196 | } | ||
197 | |||
198 | } | ||
199 | |||
200 | #endif /* __MIDILLO_MESSAGE_H */ | ||
diff --git a/include/midillo/util.h b/include/midillo/util.h new file mode 100644 index 0000000..f9c8430 --- a/dev/null +++ b/include/midillo/util.h | |||
@@ -0,0 +1,63 @@ | |||
1 | #ifndef __MIDILLO_UTIL_H | ||
2 | #define __MIDILLO_UTIL_H | ||
3 | |||
4 | #include <istream> | ||
5 | #include <ostream> | ||
6 | |||
7 | /** | ||
8 | * @file | ||
9 | * @brief utilities | ||
10 | */ | ||
11 | |||
12 | namespace midillo { | ||
13 | using std::istream; | ||
14 | using std::ostream; | ||
15 | |||
16 | /** | ||
17 | * read 32 bits word from the stream | ||
18 | * @param s input stream | ||
19 | * @return the data acquired | ||
20 | */ | ||
21 | unsigned long read32(istream& s); | ||
22 | /** | ||
23 | * read 16 bits word from the stream | ||
24 | * @param s input stream | ||
25 | * @return the data acquired | ||
26 | */ | ||
27 | unsigned int read16(istream& s); | ||
28 | /** | ||
29 | * read the variable length quantity from the stream | ||
30 | * @param s input stream | ||
31 | * @return the data acquired | ||
32 | */ | ||
33 | unsigned long readVL(istream& s); | ||
34 | |||
35 | /** | ||
36 | * write 32 bits word to the stream | ||
37 | * @param s output stream | ||
38 | * @param d data to write | ||
39 | */ | ||
40 | void write32(ostream& s,unsigned long d); | ||
41 | /** | ||
42 | * write 16 bits word to the stream | ||
43 | * @param s output stream | ||
44 | * @param d data to write | ||
45 | */ | ||
46 | void write16(ostream& s,unsigned int d); | ||
47 | /** | ||
48 | * write the variable length quantity to the stream | ||
49 | * @param s output stream | ||
50 | * @param d data to write | ||
51 | */ | ||
52 | void writeVL(ostream& s,unsigned long d); | ||
53 | |||
54 | /** | ||
55 | * calculate the amount of data that would be written by writeVL | ||
56 | * @param d data that would be written | ||
57 | * @return the number of bytes | ||
58 | */ | ||
59 | unsigned long calcVLsize(unsigned long d); | ||
60 | |||
61 | } | ||
62 | |||
63 | #endif /* __MIDILLO_UTIL_H */ | ||