1 | //file.c: |
---|
2 | |
---|
3 | #include "libroar.h" |
---|
4 | |
---|
5 | #define BUFSIZE 8192 |
---|
6 | #define BUFMAX 65536 |
---|
7 | |
---|
8 | int roar_file_codecdetect(char * buf, int len) { |
---|
9 | int codec = -1; |
---|
10 | |
---|
11 | if ( len > 3 ) { |
---|
12 | if ( strncmp(buf, "OggS", 4) == 0 ) { |
---|
13 | codec = ROAR_CODEC_OGG_GENERAL; |
---|
14 | if ( len > 34 ) { // this is 7 bytes after the end of the header |
---|
15 | if ( strncmp(buf+28, "\001vorbis", 7) == 0 ) |
---|
16 | codec = ROAR_CODEC_OGG_VORBIS; |
---|
17 | } |
---|
18 | } else if ( strncmp(buf, "MThd", 4) == 0 ) { |
---|
19 | codec = ROAR_CODEC_MIDI_FILE; |
---|
20 | } else if ( strncmp(buf, "RIFF", 4) == 0 ) { |
---|
21 | if ( len > 15 ) { |
---|
22 | if ( strncmp(buf+8, "WAVEfmt ", 8) == 0 ) |
---|
23 | codec = ROAR_CODEC_RIFF_WAVE; |
---|
24 | } |
---|
25 | } else if ( strncmp(buf, "Roar", 4) == 0 ) { |
---|
26 | if ( len > ROAR_SPEEX_MAGIC_LEN ) { |
---|
27 | if ( strncmp(buf, ROAR_SPEEX_MAGIC, ROAR_SPEEX_MAGIC_LEN) == 0 ) |
---|
28 | codec = ROAR_CODEC_ROAR_SPEEX; |
---|
29 | #if ROAR_SPEEX_MAGIC_LEN < ROAR_CELT_MAGIC_LEN |
---|
30 | } |
---|
31 | if ( len > ROAR_CELT_MAGIC_LEN ) { |
---|
32 | #endif |
---|
33 | if ( strncmp(buf, ROAR_CELT_MAGIC, ROAR_CELT_MAGIC_LEN) == 0 ) |
---|
34 | codec = ROAR_CODEC_ROAR_CELT; |
---|
35 | } |
---|
36 | } |
---|
37 | } |
---|
38 | |
---|
39 | return codec; |
---|
40 | } |
---|
41 | |
---|
42 | ssize_t roar_file_send_raw (int out, int in) { |
---|
43 | ssize_t r = 0; |
---|
44 | ssize_t ret; |
---|
45 | int len; |
---|
46 | char buf[BUFSIZE]; |
---|
47 | #ifdef __linux__ |
---|
48 | int cork_new = 1, cork_old; |
---|
49 | socklen_t cork_len = sizeof(int); |
---|
50 | |
---|
51 | if ( getsockopt(out, IPPROTO_TCP, TCP_CORK, &cork_old, &cork_len) == -1 ) { |
---|
52 | cork_old = -1; |
---|
53 | } else { |
---|
54 | setsockopt(out, IPPROTO_TCP, TCP_CORK, &cork_new, sizeof(int)); |
---|
55 | } |
---|
56 | #endif |
---|
57 | |
---|
58 | #ifdef ROAR_HAVE_LINUX_SENDFILE |
---|
59 | while ((ret = sendfile(out, in, NULL, BUFMAX)) > 0) |
---|
60 | r += ret; |
---|
61 | #endif |
---|
62 | |
---|
63 | // TODO: try mmap here! |
---|
64 | |
---|
65 | while ((len = read(in, buf, BUFSIZE)) > 0) |
---|
66 | r += write(out, buf, len); |
---|
67 | |
---|
68 | #ifdef __linux__ |
---|
69 | if ( cork_old != -1 ) |
---|
70 | setsockopt(out, IPPROTO_TCP, TCP_CORK, &cork_old, cork_len); |
---|
71 | #endif |
---|
72 | return r; |
---|
73 | } |
---|
74 | |
---|
75 | ssize_t roar_file_play (struct roar_connection * con, char * file, int exec) { |
---|
76 | int codec = -1; |
---|
77 | int in, out = -1; |
---|
78 | struct roar_stream s; |
---|
79 | ssize_t r = 0; |
---|
80 | int len; |
---|
81 | char buf[BUFSIZE]; |
---|
82 | int rate = ROAR_RATE_DEFAULT, channels = ROAR_CHANNELS_DEFAULT, bits = ROAR_BITS_DEFAULT; |
---|
83 | |
---|
84 | if ( !con ) |
---|
85 | return -1; |
---|
86 | |
---|
87 | if ( !file ) |
---|
88 | return -1; |
---|
89 | |
---|
90 | if ( (in = open(file, O_RDONLY, 0644)) == -1 ) { |
---|
91 | return -1; |
---|
92 | } |
---|
93 | |
---|
94 | if ((len = read(in, buf, BUFSIZE)) < 1) { |
---|
95 | close(in); |
---|
96 | return -1; |
---|
97 | } |
---|
98 | |
---|
99 | codec = roar_file_codecdetect(buf, len); |
---|
100 | |
---|
101 | if ( codec == -1 ) { |
---|
102 | close(in); |
---|
103 | return -1; |
---|
104 | } |
---|
105 | |
---|
106 | if ( exec ) { |
---|
107 | if ( roar_stream_new(&s, rate, channels, bits, codec) == -1 ) { |
---|
108 | close(in); |
---|
109 | return -1; |
---|
110 | } |
---|
111 | |
---|
112 | if ( roar_stream_connect(con, &s, ROAR_DIR_PLAY) == -1 ) { |
---|
113 | close(in); |
---|
114 | return -1; |
---|
115 | } |
---|
116 | |
---|
117 | if ( roar_stream_exec(con, &s) == -1 ) { |
---|
118 | close(in); |
---|
119 | return -1; |
---|
120 | } |
---|
121 | |
---|
122 | shutdown(con->fh, SHUT_RD); |
---|
123 | |
---|
124 | out = con->fh; |
---|
125 | } else { |
---|
126 | if ( (out = roar_simple_new_stream(con, rate, channels, bits, codec, ROAR_DIR_PLAY)) == -1 ) { |
---|
127 | close(in); |
---|
128 | return -1; |
---|
129 | } |
---|
130 | } |
---|
131 | |
---|
132 | write(out, buf, len); |
---|
133 | |
---|
134 | r = roar_file_send_raw(out, in); |
---|
135 | |
---|
136 | close(out); |
---|
137 | |
---|
138 | if ( exec ) { |
---|
139 | con->fh = -1; |
---|
140 | } |
---|
141 | |
---|
142 | close(in); |
---|
143 | |
---|
144 | return r; |
---|
145 | } |
---|
146 | |
---|
147 | //ll |
---|