570 lines
13 KiB
C
570 lines
13 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/msc/sdp_msg.h>
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struct sdp_test_data {
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const char *sdp_input;
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const char *expect_sdp_str;
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};
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static void dump_sdp(const char *str, const char *prefix)
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{
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while (str && *str) {
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const char *line_end = sdp_msg_line_end(str);
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while (*line_end == '\r' || *line_end == '\n')
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line_end++;
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printf("%s%s\n", prefix, osmo_escape_str(str, line_end - str));
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str = line_end;
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}
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}
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struct sdp_test_data sdp_tests[] = {
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{
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"v=0\r\n"
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"o=- 5628250 5628250 IN IP4 192.168.11.121\r\n"
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"s=-\r\n"
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"c=IN IP4 192.168.11.121\r\n"
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"t=0 0\r\n"
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"m=audio 10020 RTP/AVP 18 0 2 4 8 96 97 98 100 101\r\n"
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"a=rtpmap:18 G729/8000\r\n"
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"a=rtpmap:0 PCMU/8000\r\n"
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"a=rtpmap:2 G726-32/8000\r\n"
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"a=rtpmap:4 G723/8000\r\n"
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"a=rtpmap:8 PCMA/8000\r\n"
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"a=rtpmap:96 G726-40/8000\r\n"
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"a=rtpmap:97 G726-24/8000\r\n"
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"a=rtpmap:98 G726-16/8000\r\n"
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"a=rtpmap:100 NSE/8000\r\n"
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"a=fmtp:100 192-193\r\n"
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"a=rtpmap:101 telephone-event/8000\r\n"
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"a=fmtp:101 0-15\r\n"
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"a=ptime:20\r\n"
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"a=sendrecv\r\n"
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,
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"v=0\r\n"
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"o=OsmoMSC 0 0 IN IP4 192.168.11.121\r\n"
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"s=GSM Call\r\n"
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"c=IN IP4 192.168.11.121\r\n"
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"t=0 0\r\n"
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"m=audio 10020 RTP/AVP 18 0 2 4 8 96 97 98 100 101\r\n"
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"a=rtpmap:18 G729/8000\r\n"
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"a=rtpmap:0 PCMU/8000\r\n"
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"a=rtpmap:2 G726-32/8000\r\n"
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"a=rtpmap:4 G723/8000\r\n"
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"a=rtpmap:8 PCMA/8000\r\n"
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"a=rtpmap:96 G726-40/8000\r\n"
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"a=rtpmap:97 G726-24/8000\r\n"
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"a=rtpmap:98 G726-16/8000\r\n"
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"a=rtpmap:100 NSE/8000\r\n"
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"a=fmtp:100 192-193\r\n"
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"a=rtpmap:101 telephone-event/8000\r\n"
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"a=fmtp:101 0-15\r\n"
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"a=ptime:20\r\n"
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,
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},
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{
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"v=0\r\n"
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"o=FooBar 1565090289 1565090290 IN IP4 192.168.11.151\r\n"
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"s=FooBar\r\n"
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"c=IN IP4 192.168.11.151\r\n"
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"t=0 0\r\n"
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"m=audio 16398 RTP/AVP 98\r\n"
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"a=rtpmap:98 AMR/8000\r\n"
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"a=fmtp:98 octet-align=1; mode-set=4\r\n"
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"a=ptime:20\r\n"
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"a=rtcp:16399 IN IP4 192.168.11.151\r\n"
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,
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"v=0\r\n"
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"o=OsmoMSC 0 0 IN IP4 192.168.11.151\r\n"
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"s=GSM Call\r\n"
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"c=IN IP4 192.168.11.151\r\n"
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"t=0 0\r\n"
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"m=audio 16398 RTP/AVP 98\r\n"
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"a=rtpmap:98 AMR/8000\r\n"
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"a=fmtp:98 octet-align=1; mode-set=4\r\n"
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"a=ptime:20\r\n"
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,
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},
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{
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"v=0\r\n"
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"o=FooBar 1565090289 1565090290 IN IP4 192.168.11.151\r\n"
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"s=FooBar\r\n"
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"c=IN IP4 192.168.11.140\r\n"
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"t=0 0\r\n"
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"m=audio 30436 RTP/AVP 18 0 4 8 101\r\n"
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"a=rtpmap:18 G729/8000\r\n"
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"a=rtpmap:0 PCMU/8000\r\n"
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"a=rtpmap:4 G723/8000\r\n"
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"a=rtpmap:8 PCMA/8000\r\n"
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"a=rtpmap:101 telephone-event/8000\r\n"
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"a=fmtp:101 0-15\r\n"
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"a=sendrecv\r\n"
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"a=rtcp:30437\r\n"
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"a=ptime:20\r\n"
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,
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"v=0\r\n"
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"o=OsmoMSC 0 0 IN IP4 192.168.11.140\r\n" /* <- NOTE: loses the 'o=' address, uses only 'c=' */
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"s=GSM Call\r\n"
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"c=IN IP4 192.168.11.140\r\n"
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"t=0 0\r\n"
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"m=audio 30436 RTP/AVP 18 0 4 8 101\r\n"
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"a=rtpmap:18 G729/8000\r\n"
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"a=rtpmap:0 PCMU/8000\r\n"
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"a=rtpmap:4 G723/8000\r\n"
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"a=rtpmap:8 PCMA/8000\r\n"
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"a=rtpmap:101 telephone-event/8000\r\n"
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"a=fmtp:101 0-15\r\n"
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"a=ptime:20\r\n"
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,
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},
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};
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void test_parse_and_compose()
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{
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int i;
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bool ok = true;
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printf("\n\n%s\n", __func__);
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for (i = 0; i < ARRAY_SIZE(sdp_tests); i++) {
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struct sdp_test_data *t = &sdp_tests[i];
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struct sdp_msg sdp = {};
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char str[1024];
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printf("\n[%d]\n", i);
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dump_sdp(t->sdp_input, "sdp input: ");
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sdp_msg_from_str(&sdp, t->sdp_input);
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sdp_msg_to_str(str, sizeof(str), &sdp);
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dump_sdp(str, "sdp_msg_to_str: ");
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if (strcmp(str, t->expect_sdp_str)) {
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int j;
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ok = false;
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printf("ERROR:\n");
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dump_sdp(t->expect_sdp_str, "expect_sdp_str: ");
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for (j = 0; t->expect_sdp_str[j]; j++) {
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if (t->expect_sdp_str[j] != str[j]) {
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printf("ERROR at position %d, at:\n", j);
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dump_sdp(str + j, " mismatch: ");
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break;
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}
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}
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} else
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printf("[%d] ok\n", i);
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}
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OSMO_ASSERT(ok);
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}
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struct sdp_intersect_test_data {
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const char *descr;
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const char *sdp_a;
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const char *sdp_b;
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const char *expect_intersection;
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};
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#define SDP_1 \
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"v=0\r\n" \
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"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n" \
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"s=GSM Call\r\n" \
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"c=IN IP4 23.42.23.42\r\n" \
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"t=0 0\r\n" \
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"m=audio 30436 RTP/AVP 112 3 111 110\r\n" \
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"a=rtpmap:112 AMR/8000\r\n" \
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"a=fmtp:112 octet-align=1\r\n" \
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"a=rtpmap:3 GSM/8000\r\n" \
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"a=rtpmap:111 GSM-HR-08/8000\r\n" \
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"a=rtpmap:110 GSM-EFR/8000\r\n" \
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"a=ptime:20\r\n"
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#define SDP_2 \
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"v=0\r\n" \
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"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n" \
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"s=GSM Call\r\n" \
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"c=IN IP4 23.42.23.42\r\n" \
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"t=0 0\r\n" \
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"m=audio 30436 RTP/AVP 112 110\r\n" \
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"a=rtpmap:112 AMR/8000\r\n" \
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"a=fmtp:112 octet-align=1\r\n" \
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"a=rtpmap:110 GSM-EFR/8000\r\n" \
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"a=ptime:20\r\n"
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#define SDP_3 \
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"v=0\r\n" \
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"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n" \
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"s=GSM Call\r\n" \
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"c=IN IP4 23.42.23.42\r\n" \
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"t=0 0\r\n" \
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"m=audio 30436 RTP/AVP 3 111\r\n" \
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"a=rtpmap:3 GSM/8000\r\n" \
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"a=rtpmap:111 GSM-HR-08/8000\r\n" \
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"a=ptime:20\r\n"
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struct sdp_intersect_test_data sdp_intersect_tests[] = {
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{
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"identical codecs lead to no change"
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,
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SDP_1
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,
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"c=IN IP4 5.6.7.8\r\n" \
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"m=audio 12345 RTP/AVP 112 3 111 110\r\n"
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"a=rtpmap:112 AMR/8000\r\n"
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"a=fmtp:112 octet-align=1\r\n"
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"a=rtpmap:3 GSM/8000\r\n"
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"a=rtpmap:111 GSM-HR-08/8000\r\n"
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"a=rtpmap:110 GSM-EFR/8000\r\n"
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,
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SDP_1
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},
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{
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"identical codecs in different order also lead to no change"
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,
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SDP_1
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,
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"c=IN IP4 5.6.7.8\r\n" \
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"m=audio 12345 RTP/AVP 3 110 111 112\r\n"
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"a=rtpmap:3 GSM/8000\r\n"
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"a=rtpmap:110 GSM-EFR/8000\r\n"
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"a=rtpmap:111 GSM-HR-08/8000\r\n"
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"a=rtpmap:112 AMR/8000\r\n"
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"a=fmtp:112 octet-align=1\r\n"
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,
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SDP_1
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},
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{
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"identical codecs with mismatching payload type numbers also lead to no change"
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,
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SDP_1
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,
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"c=IN IP4 5.6.7.8\r\n" \
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"m=audio 12345 RTP/AVP 96 97 98 99\r\n"
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"a=rtpmap:96 GSM/8000\r\n"
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"a=rtpmap:97 GSM-EFR/8000\r\n"
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"a=rtpmap:98 GSM-HR-08/8000\r\n"
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"a=rtpmap:99 AMR/8000\r\n"
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"a=fmtp:99 octet-align=1\r\n"
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,
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SDP_1
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},
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{
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"identical codecs plus some extra codecs also lead to no change"
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,
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SDP_1
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,
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"c=IN IP4 5.6.7.8\r\n" \
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"m=audio 12345 RTP/AVP 8 0 96 97 98 99\r\n"
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"a=rtpmap:8 PCMA/8000\r\n"
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"a=rtpmap:0 PCMU/8000\r\n"
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"a=rtpmap:96 GSM/8000\r\n"
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"a=rtpmap:97 GSM-EFR/8000\r\n"
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"a=rtpmap:98 GSM-HR-08/8000\r\n"
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"a=rtpmap:99 AMR/8000\r\n"
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"a=fmtp:99 octet-align=1\r\n"
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,
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SDP_1
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},
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{
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"some codecs removed",
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SDP_1,
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SDP_2,
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SDP_2,
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},
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{
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"other codecs removed",
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SDP_1,
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SDP_3,
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SDP_3,
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},
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{
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"all codecs removed",
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SDP_1
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,
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"s=empty"
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,
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"v=0\r\n" \
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"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n" \
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"s=GSM Call\r\n" \
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"c=IN IP4 23.42.23.42\r\n" \
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"t=0 0\r\n" \
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"m=audio 30436 RTP/AVP\r\n" \
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"a=ptime:20\r\n"
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},
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{
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"some real world test case"
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,
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"v=0\r\n"
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"o=OsmoMSC 0 0 IN IP4 0.0.0.0\r\n"
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"s=GSM Call\r\n"
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"c=IN IP4 0.0.0.0\r\n"
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"t=0 0\r\n"
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"m=audio 0 RTP/AVP 112 113 110 3 111\r\n"
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"a=rtpmap:112 AMR/8000\r\n"
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"a=fmtp:112 octet-align=1;mode-set=0,1,2,3\r\n"
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"a=rtpmap:113 AMR-WB/8000\r\n"
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"a=fmtp:113 octet-align=1\r\n"
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"a=rtpmap:110 GSM-EFR/8000\r\n"
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"a=rtpmap:3 GSM/8000\r\n"
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"a=rtpmap:111 GSM-HR-08/8000\r\n"
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"a=ptime:20\r\n"
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,
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"v=0\r\n"
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"o=OsmoMSC 0 0 IN IP4 0.0.0.0\r\n"
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"s=GSM Call\r\n"
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"c=IN IP4 0.0.0.0\r\n"
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"t=0 0\r\n"
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"m=audio 0 RTP/AVP 112 113 110 3 111\r\n"
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"a=rtpmap:112 AMR/8000\r\n"
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"a=fmtp:112 octet-align=1;mode-set=0,1,2,3\r\n"
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"a=rtpmap:113 AMR-WB/8000\r\n"
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"a=fmtp:113 octet-align=1\r\n"
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"a=rtpmap:110 GSM-EFR/8000\r\n"
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"a=rtpmap:3 GSM/8000\r\n"
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"a=rtpmap:111 GSM-HR-08/8000\r\n"
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"a=ptime:20\r\n"
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,
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"v=0\r\n"
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"o=OsmoMSC 0 0 IN IP4 0.0.0.0\r\n"
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"s=GSM Call\r\n"
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"c=IN IP4 0.0.0.0\r\n"
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"t=0 0\r\n"
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"m=audio 0 RTP/AVP 112 113 110 3 111\r\n"
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"a=rtpmap:112 AMR/8000\r\n"
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"a=fmtp:112 octet-align=1;mode-set=0,1,2,3\r\n"
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"a=rtpmap:113 AMR-WB/8000\r\n"
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"a=fmtp:113 octet-align=1\r\n"
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"a=rtpmap:110 GSM-EFR/8000\r\n"
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"a=rtpmap:3 GSM/8000\r\n"
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"a=rtpmap:111 GSM-HR-08/8000\r\n"
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"a=ptime:20\r\n"
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}
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};
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const char *sdp_msg_logstr(const struct sdp_msg *sdp)
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{
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static char buf[1024];
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sdp_msg_to_str(buf, sizeof(buf), sdp);
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return buf;
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}
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static void test_intersect()
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{
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int i;
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bool ok = true;
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int rc;
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printf("\n\n%s\n", __func__);
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for (i = 0; i < ARRAY_SIZE(sdp_intersect_tests); i++) {
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struct sdp_intersect_test_data *t = &sdp_intersect_tests[i];
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struct sdp_msg sdp_a = {};
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struct sdp_msg sdp_b = {};
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char str[1024];
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printf("\n[%d] %s\n", i, t->descr);
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dump_sdp(t->sdp_a, "SDP A: ");
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dump_sdp(t->sdp_b, " SDP B: ");
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rc = sdp_msg_from_str(&sdp_a, t->sdp_a);
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if (rc) {
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printf("ERROR parsing SDP A: %d\n", rc);
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break;
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}
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dump_sdp(sdp_msg_logstr(&sdp_a), "parsed SDP A: ");
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rc = sdp_msg_from_str(&sdp_b, t->sdp_b);
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if (rc) {
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printf("ERROR parsing SDP A: %d\n", rc);
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break;
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}
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dump_sdp(sdp_msg_logstr(&sdp_b), "parsed SDP B: ");
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sdp_audio_codecs_intersection(&sdp_a.audio_codecs, &sdp_b.audio_codecs, false);
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sdp_msg_to_str(str, sizeof(str), &sdp_a);
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dump_sdp(str, "sdp_msg_intersection(a,b): ");
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if (strcmp(str, t->expect_intersection)) {
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int j;
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ok = false;
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printf("ERROR:\n");
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dump_sdp(t->expect_intersection, "expect_intersection: ");
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for (j = 0; t->expect_intersection[j]; j++) {
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if (t->expect_intersection[j] != str[j]) {
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printf("ERROR at position %d, at:\n", j);
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dump_sdp(str + j, " mismatch: ");
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break;
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}
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}
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} else
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printf("[%d] ok\n", i);
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}
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OSMO_ASSERT(ok);
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}
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struct sdp_select_test_data {
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const char *sdp;
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unsigned int select_payload_type;
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const char *expect_sdp;
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};
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struct sdp_select_test_data sdp_select_tests[] = {
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{
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"v=0\r\n"
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"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n"
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"s=GSM Call\r\n"
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"c=IN IP4 23.42.23.42\r\n"
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"t=0 0\r\n"
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"m=audio 30436 RTP/AVP 112 3 111 110\r\n"
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"a=rtpmap:112 AMR/8000\r\n"
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"a=fmtp:112 octet-align=1\r\n"
|
|
"a=rtpmap:3 GSM/8000\r\n"
|
|
"a=rtpmap:111 GSM-HR-08/8000\r\n"
|
|
"a=rtpmap:110 GSM-EFR/8000\r\n"
|
|
"a=ptime:20\r\n"
|
|
,
|
|
112,
|
|
NULL
|
|
},
|
|
{
|
|
"v=0\r\n"
|
|
"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n"
|
|
"s=GSM Call\r\n"
|
|
"c=IN IP4 23.42.23.42\r\n"
|
|
"t=0 0\r\n"
|
|
"m=audio 30436 RTP/AVP 112 3 111 110\r\n"
|
|
"a=rtpmap:112 AMR/8000\r\n"
|
|
"a=fmtp:112 octet-align=1\r\n"
|
|
"a=rtpmap:3 GSM/8000\r\n"
|
|
"a=rtpmap:111 GSM-HR-08/8000\r\n"
|
|
"a=rtpmap:110 GSM-EFR/8000\r\n"
|
|
"a=ptime:20\r\n"
|
|
,
|
|
3,
|
|
"v=0\r\n"
|
|
"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n"
|
|
"s=GSM Call\r\n"
|
|
"c=IN IP4 23.42.23.42\r\n"
|
|
"t=0 0\r\n"
|
|
"m=audio 30436 RTP/AVP 3 112 111 110\r\n"
|
|
"a=rtpmap:3 GSM/8000\r\n"
|
|
"a=rtpmap:112 AMR/8000\r\n"
|
|
"a=fmtp:112 octet-align=1\r\n"
|
|
"a=rtpmap:111 GSM-HR-08/8000\r\n"
|
|
"a=rtpmap:110 GSM-EFR/8000\r\n"
|
|
"a=ptime:20\r\n"
|
|
},
|
|
{
|
|
"v=0\r\n"
|
|
"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n"
|
|
"s=GSM Call\r\n"
|
|
"c=IN IP4 23.42.23.42\r\n"
|
|
"t=0 0\r\n"
|
|
"m=audio 30436 RTP/AVP 112 3 111 110\r\n"
|
|
"a=rtpmap:112 AMR/8000\r\n"
|
|
"a=fmtp:112 octet-align=1\r\n"
|
|
"a=rtpmap:3 GSM/8000\r\n"
|
|
"a=rtpmap:111 GSM-HR-08/8000\r\n"
|
|
"a=rtpmap:110 GSM-EFR/8000\r\n"
|
|
"a=ptime:20\r\n"
|
|
,
|
|
111,
|
|
"v=0\r\n"
|
|
"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n"
|
|
"s=GSM Call\r\n"
|
|
"c=IN IP4 23.42.23.42\r\n"
|
|
"t=0 0\r\n"
|
|
"m=audio 30436 RTP/AVP 111 112 3 110\r\n"
|
|
"a=rtpmap:111 GSM-HR-08/8000\r\n"
|
|
"a=rtpmap:112 AMR/8000\r\n"
|
|
"a=fmtp:112 octet-align=1\r\n"
|
|
"a=rtpmap:3 GSM/8000\r\n"
|
|
"a=rtpmap:110 GSM-EFR/8000\r\n"
|
|
"a=ptime:20\r\n"
|
|
},
|
|
{
|
|
"v=0\r\n"
|
|
"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n"
|
|
"s=GSM Call\r\n"
|
|
"c=IN IP4 23.42.23.42\r\n"
|
|
"t=0 0\r\n"
|
|
"m=audio 30436 RTP/AVP 112 3 111 110\r\n"
|
|
"a=rtpmap:112 AMR/8000\r\n"
|
|
"a=fmtp:112 octet-align=1\r\n"
|
|
"a=rtpmap:3 GSM/8000\r\n"
|
|
"a=rtpmap:111 GSM-HR-08/8000\r\n"
|
|
"a=rtpmap:110 GSM-EFR/8000\r\n"
|
|
"a=ptime:20\r\n"
|
|
,
|
|
110,
|
|
"v=0\r\n"
|
|
"o=OsmoMSC 0 0 IN IP4 23.42.23.42\r\n"
|
|
"s=GSM Call\r\n"
|
|
"c=IN IP4 23.42.23.42\r\n"
|
|
"t=0 0\r\n"
|
|
"m=audio 30436 RTP/AVP 110 112 3 111\r\n"
|
|
"a=rtpmap:110 GSM-EFR/8000\r\n"
|
|
"a=rtpmap:112 AMR/8000\r\n"
|
|
"a=fmtp:112 octet-align=1\r\n"
|
|
"a=rtpmap:3 GSM/8000\r\n"
|
|
"a=rtpmap:111 GSM-HR-08/8000\r\n"
|
|
"a=ptime:20\r\n"
|
|
},
|
|
|
|
};
|
|
|
|
static void test_select()
|
|
{
|
|
int i;
|
|
bool ok = true;
|
|
int rc;
|
|
|
|
printf("\n\n%s\n", __func__);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(sdp_select_tests); i++) {
|
|
struct sdp_select_test_data *t = &sdp_select_tests[i];
|
|
struct sdp_msg sdp = {};
|
|
struct sdp_audio_codec *codec;
|
|
char buf[1024];
|
|
printf("\n[%d]\n", i);
|
|
rc = sdp_msg_from_str(&sdp, t->sdp);
|
|
if (rc) {
|
|
printf("ERROR parsing SDP: %d\n", rc);
|
|
break;
|
|
}
|
|
printf("SDP: %s\n", sdp_audio_codecs_name(&sdp.audio_codecs));
|
|
codec = sdp_audio_codec_by_payload_type(&sdp.audio_codecs, t->select_payload_type, false);
|
|
OSMO_ASSERT(codec);
|
|
printf("Select: %s\n", sdp_audio_codec_name(codec));
|
|
|
|
sdp_audio_codecs_select(&sdp.audio_codecs, codec);
|
|
|
|
printf("SDP: %s\n", sdp_audio_codecs_name(&sdp.audio_codecs));
|
|
sdp_msg_to_str(buf, sizeof(buf), &sdp);
|
|
|
|
if (strcmp(buf, t->expect_sdp ? : t->sdp)) {
|
|
int j;
|
|
ok = false;
|
|
printf("ERROR:\n");
|
|
dump_sdp(buf, "selection result: ");
|
|
dump_sdp(t->expect_sdp, "expect result: ");
|
|
for (j = 0; t->expect_sdp[j]; j++) {
|
|
if (t->expect_sdp[j] != buf[j]) {
|
|
printf("ERROR at position %d, at:\n", j);
|
|
dump_sdp(buf + j, " mismatch: ");
|
|
break;
|
|
}
|
|
}
|
|
} else
|
|
printf("[%d] ok\n", i);
|
|
}
|
|
|
|
OSMO_ASSERT(ok);
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
test_parse_and_compose();
|
|
test_intersect();
|
|
test_select();
|
|
return 0;
|
|
}
|