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