Bcp 006 01 rbg

[rbgodwin]

Add in checks for SMPTE2110-22

[rbgodwin]

Changes:

Addition of specific tests for SMPTE2110-22 in new test sections
Verbose printout of results for passed tests as well as failed
Refactoring of tests common to SMPTE2110-20 and 22
Updates to README
Update to example file for SMPTE-2110-22 SDP file
Addition of --smpte2110_22 parameter to sdpoker

Test Method

• Turn on --verbose and check tests pass for " node sdpoker.js --smpte2110_22 examples/st2110-22.sdp --should --verbose "
• Edit st2110-22.sdp to change value to force failure (e.g. b=BS:216000) and rerun to get error for the bandwidth test:

TEST Passed: Test ST2110-10 Section 8.1 Test 1 - Shall have media-level mediaclk per stream
TEST Passed: Test ST2110-10 Section 8.1 Test 2 - Should have mediaclk using direct reference
TEST Passed: Test ST2110-10 Section 8.1 Test 1 - Shall have a media-level ts-refclk
TEST Passed: Test ST2110-10 Section 8.2 Test 2 - Reference clocks shall be ptp reference or shall be localmac
TEST Passed: Test ST2110-10 Section 8.2 Test 3 - PTP ts-refclk parameters all good.
TEST Passed: Test ST2110-10 Section 8.2 Test 4 - If local mac clock, check MAC address.
TEST Skipped: Test ST2110-10 Section 8.3 Test 1 - Use --duplicate to check 
Test Skipped: Test ST2110-10 Section 8.3 Test 3 - Separate destination addresses. No a=group present.
Test Skipped: Test ST 2110-22 Section 5.3 Test 1- TP parameter is acceptable value. Use --shaping to test.
Test Passed: Test ST2110-22 Section 6. Test 1 - All video streams have rtpmap entry jxsv/90000
Test Passed: Test ST 2110-10 Section 62 Test 1 - Video parameters present and all good.
Test Passed: Test ST2110-22 Section 7.1 Test 1 - Conforms to SMPTE-2110-10 for video media specification
Test Passed: Test ST2110-22 Section 7.2 Test 1 - All required parameters are present
Test Passed: Test ST 2110-22 Section 74 -  Check for framerate specified
Found 1 error(s) in SDP file:
1: Line 7: In 'b=<bwtype>:<bandwidth>' bwtype must be 'AS' as per SMPTE ST2110-22 Section 7.3.```

[garethsb]

After this is merged, we need to tag as v0.3.0 and make a tag for the 'release'.

[peterbrightwell]

All good

[garethsb]

LGTM. Really great improvements, @rbgodwin-nt !