| 1 | //codecfilter_cmd.c: |
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| 2 | |
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| 3 | #include "roard.h" |
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| 4 | |
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| 5 | #define CMDMAXLEN 1024 |
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| 6 | |
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| 7 | int cf_cmd_open(CODECFILTER_USERDATA_T * inst, int codec, |
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| 8 | struct roar_stream_server * info, |
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| 9 | struct roar_codecfilter * filter) { |
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| 10 | int socks[2]; |
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| 11 | int execed = -1; |
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| 12 | char cmd[CMDMAXLEN+1] = {0}; |
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| 13 | char * tmp = NULL; |
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| 14 | char tb[CMDMAXLEN+1]; |
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| 15 | char * o = filter->options; |
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| 16 | int i; |
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| 17 | |
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| 18 | if ( !o ) |
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| 19 | return -1; |
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| 20 | |
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| 21 | for (i = 0; i < CMDMAXLEN && *o != 0; i++, o++) { |
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| 22 | if ( *o == '%' ) { |
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| 23 | // printf("ol: *o='%c' (escape)\n", *o); |
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| 24 | tmp = NULL; |
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| 25 | |
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| 26 | o++; |
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| 27 | if ( *o == 0 ) { |
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| 28 | break; |
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| 29 | } else if ( *o == 'R' ) { |
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| 30 | tmp = tb; |
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| 31 | snprintf(tb, CMDMAXLEN, "%i", g_sa->rate); |
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| 32 | } else if ( *o == 'B' ) { |
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| 33 | tmp = tb; |
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| 34 | snprintf(tb, CMDMAXLEN, "%i", g_sa->bits); |
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| 35 | } else if ( *o == 'C' ) { |
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| 36 | tmp = tb; |
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| 37 | snprintf(tb, CMDMAXLEN, "%i", g_sa->channels); |
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| 38 | } |
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| 39 | |
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| 40 | // printf("*o='%c', tmp=%p\n", *o, tmp); |
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| 41 | |
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| 42 | if ( tmp ) { |
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| 43 | for (; i < CMDMAXLEN && *tmp != 0; i++, tmp++) |
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| 44 | cmd[i] = *tmp; |
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| 45 | i--; |
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| 46 | } |
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| 47 | } else { |
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| 48 | // printf("ol: *o='%c' (copy to cmd[i=%i])\n", *o, i); |
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| 49 | cmd[i] = *o; |
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| 50 | } |
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| 51 | } |
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| 52 | |
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| 53 | cmd[i+1] = 0; |
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| 54 | |
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| 55 | //printf("cmd='%s'\n", cmd); |
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| 56 | |
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| 57 | if ( socketpair(AF_UNIX, SOCK_STREAM, 0, socks) == -1 ) { |
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| 58 | return -1; |
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| 59 | } |
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| 60 | |
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| 61 | if ( lib_run_bg(cmd, ((struct roar_stream*)info)->fh, socks[1], ROAR_STDERR, socks, 2) == -1 ) |
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| 62 | return -1; |
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| 63 | |
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| 64 | if ( info->client != -1 ) { |
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| 65 | execed = g_clients[info->client]->execed; |
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| 66 | |
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| 67 | if ( execed != -1 ) { |
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| 68 | if ( g_streams[execed] == info ) { |
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| 69 | g_clients[info->client]->fh = socks[0]; |
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| 70 | } else { |
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| 71 | close(((struct roar_stream*)info)->fh); |
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| 72 | } |
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| 73 | } else { |
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| 74 | close(((struct roar_stream*)info)->fh); |
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| 75 | } |
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| 76 | } else { |
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| 77 | close(((struct roar_stream*)info)->fh); |
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| 78 | } |
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| 79 | |
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| 80 | ((struct roar_stream*)info)->fh = socks[0]; |
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| 81 | ((struct roar_stream*)info)->info.codec = ROAR_CODEC_DEFAULT; |
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| 82 | close(socks[1]); |
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| 83 | |
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| 84 | info->codecfilter = -1; |
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| 85 | |
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| 86 | return 0; |
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| 87 | } |
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| 88 | |
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| 89 | //ll |
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