| <!doctype html> |
| <meta charset=utf-8> |
| <title>RTCPeerConnection.prototype.createOffer</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../RTCPeerConnection-helper.js"></script> |
| <script> |
| 'use strict'; |
| |
| // Tests for conformance to RFC 7742, |
| // "WebRTC Video Processing and Codec Requirements" |
| // The document was formerly known as draft-ietf-rtcweb-video-codecs. |
| // |
| // This tests that the browser is a WebRTC Browser as defined there. |
| |
| // TODO: Section 3.2: screen capture video MUST be prepared |
| // to handle resolution changes. |
| |
| // TODO: Section 4: MUST support generating CVO (orientation) |
| |
| // Section 5: Browsers MUST implement VP8 and H.264 Constrained Baseline |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| const offer = await generateVideoReceiveOnlyOffer(pc); |
| let video_section_found = false; |
| for (let section of offer.sdp.split(/\r\nm=/)) { |
| if (section.search('video') != 0) { |
| continue; |
| } |
| video_section_found = true; |
| // RTPMAP lines have the format a=rtpmap:<pt> <codec>/<clock rate> |
| let rtpmap_regex = /\r\na=rtpmap:(\d+) (\S+)\/\d+\r\n/g; |
| let match = rtpmap_regex.exec(offer.sdp); |
| let payload_type_map = new Array(); |
| while (match) { |
| payload_type_map[match[1]] = match[2]; |
| match = rtpmap_regex.exec(offer.sdp); |
| } |
| assert_true(payload_type_map.indexOf('VP8') > -1, |
| 'VP8 is supported'); |
| assert_true(payload_type_map.indexOf('H264') > -1, |
| 'H.264 is supported'); |
| // TODO: Verify that one of the H.264 PTs supports constrained baseline |
| } |
| assert_true(video_section_found); |
| }, 'H.264 and VP8 should be supported in initial offer'); |
| |
| async function negotiateParameters() { |
| const pc1 = new RTCPeerConnection(); |
| const pc2 = new RTCPeerConnection(); |
| let [track, streams] = await getTrackFromUserMedia('video'); |
| const sender = pc1.addTrack(track); |
| await doSignalingHandshake(pc1, pc2); |
| return sender.getParameters(); |
| } |
| |
| function parseFmtp(fmtp) { |
| const params = fmtp.split(';'); |
| return params.map(param => param.split('=')); |
| } |
| promise_test(async t => { |
| const params = await negotiateParameters(); |
| assert_true(!!params.codecs.find(codec => codec.mimeType === 'video/H264')); |
| assert_true(!!params.codecs.find(codec => codec.mimeType === 'video/VP8')); |
| }, 'H.264 and VP8 should be negotiated after handshake'); |
| |
| // TODO: Section 6: Recipients MUST be able to decode 320x240@20 fps |
| // TODO: Section 6.1: VP8 MUST support RFC 7741 payload formats |
| // TODO: Section 6.1: VP8 MUST respect max-fr/max-fs |
| // TODO: Section 6.1: VP8 MUST encode and decode square pixels |
| // TODO: Section 6.2: H.264 MUST support RFC 6184 payload formats |
| // TODO: Section 6.2: MUST support Constrained Baseline level 1.2 |
| // TODO: Section 6.2: SHOULD support Constrained High level 1.3 |
| // TODO: Section 6.2: MUST support packetization mode 1. |
| promise_test(async t => { |
| const params = await negotiateParameters(); |
| const h264 = params.codecs.filter(codec => codec.mimeType === 'video/H264'); |
| h264.map(codec => { |
| const codec_params = parseFmtp(codec.sdpFmtpLine); |
| assert_true(!!codec_params.find(x => x[0] === 'profile-level-id')); |
| }) |
| }, 'All H.264 codecs MUST include profile-level-id'); |
| |
| // TODO: Section 6.2: SHOULD interpret max-mbps, max-smbps, max-fs et al |
| // TODO: Section 6.2: MUST NOT include sprop-parameter-sets |
| // TODO: Section 6.2: MUST support SEI "filler payload" |
| // TODO: Section 6.2: MUST support SEI "full frame freeze" |
| // TODO: Section 6.2: MUST be prepared to receive User Data messages |
| // TODO: Section 6.2: MUST encode and decode square pixels unless signaled |
| </script> |