| <!doctype html> |
| <title>canPlayType</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <audio id="audio"></audio> |
| <video id="video"></video> |
| <div id="log"></div> |
| <script> |
| let VIDEO_ELEM = document.getElementById('video'); |
| let AUDIO_ELEM = document.getElementById('audio'); |
| |
| function t(type, expected) { |
| assert_equals(canPlayType(type), expected, type); |
| } |
| |
| function mime(type, codecs) { |
| if (codecs.length) { |
| return type + '; codecs="' + codecs.join(', ') + '"'; |
| } |
| return type; |
| } |
| |
| test(function() { |
| assert_equals(mime('video/webm', []), 'video/webm'); |
| assert_equals(mime('video/webm', ['vp8']), 'video/webm; codecs="vp8"'); |
| assert_equals(mime('video/webm', ['vp8', 'vorbis']), 'video/webm; codecs="vp8, vorbis"'); |
| }, 'utility code'); |
| |
| function canPlayType(type) { |
| let audioCanPlay = AUDIO_ELEM.canPlayType(type); |
| let videoCanPlay = VIDEO_ELEM.canPlayType(type); |
| assert_equals(audioCanPlay, videoCanPlay, |
| 'audio.canPlayType() and video.canPlayType() agree'); |
| assert_in_array(audioCanPlay, ['', 'maybe', 'probably'], |
| 'return value is one of "", "maybe" and "probably"'); |
| return audioCanPlay; |
| } |
| |
| test(function() { |
| t('application/octet-stream', ''); |
| t('application/octet-stream; codecs="vorbis"', ''); |
| t('application/octet-stream; codecs="vp8, vorbis"', ''); |
| t('application/octet-stream; codecs="mp4a.40.2"', ''); |
| t('application/octet-stream; codecs="theora, vorbis"', ''); |
| t('application/octet-stream; codecs="avc1.42E01E, mp4a.40.2"', ''); |
| }, 'application/octet-stream not supported'); |
| |
| test(function() { |
| t('application/marks-fantasmagorical-format', ''); |
| t('video/x-new-fictional-format', ''); |
| t('video/x-new-fictional-format;codecs="kittens,bunnies"', ''); |
| }, 'fictional formats and codecs not supported'); |
| |
| function type_codecs_test(type, audioCodecs, videoCodecs) { |
| var typeSupported = false; |
| var codecSupported = false; |
| |
| // Test 'type' without codecs. |
| // Spec: Generally, a user agent should never return "probably" for a type |
| // that allows the codecs parameter if that parameter is not present. |
| test(function() { |
| t(type, 'maybe'); |
| t(type + ';', 'maybe'); |
| t(type + ';codecs', 'maybe'); |
| t(type + ';codecs=', 'maybe'); |
| typeSupported = true; |
| }, type + ' (optional)'); |
| |
| function test_codec(codec) { |
| var typeWithCodec = mime(type, [codec]); |
| test(function() { |
| t(typeWithCodec, 'probably'); |
| codecSupported = true; |
| }, typeWithCodec + ' (optional)'); |
| } |
| |
| // Test each audio and video codec separately. |
| audioCodecs.forEach(test_codec); |
| videoCodecs.forEach(test_codec); |
| |
| // Test different pairings and orderings of audio+video codecs. |
| if (audioCodecs.length > 0 && videoCodecs.length > 0) { |
| test(function() { |
| audioCodecs.forEach(function(ac) { |
| videoCodecs.forEach(function(vc) { |
| var canPlayBoth = canPlayType(mime(type, [ac, vc])); |
| if (canPlayBoth) { |
| t(mime(type, [ac]), canPlayBoth); |
| t(mime(type, [vc]), canPlayBoth); |
| } |
| }); |
| }); |
| }, type + ' codecs subset'); |
| |
| test(function() { |
| audioCodecs.forEach(function(ac) { |
| videoCodecs.forEach(function(vc) { |
| assert_equals(canPlayType(mime(type, [ac, vc])), |
| canPlayType(mime(type, [vc, ac]))); |
| }); |
| }); |
| }, type + ' codecs order'); |
| } |
| |
| test(function() { |
| t(mime(type, ['bogus']), ''); |
| }, type + ' with bogus codec'); |
| |
| test(function() { |
| // At least one known codec must be supported if the container format is. |
| assert_equals(typeSupported, codecSupported); |
| }, type + ' with and without codecs'); |
| } |
| |
| type_codecs_test('audio/mp4', ['mp4a.40.2'], []); |
| type_codecs_test('audio/ogg', ['opus', 'vorbis'], []); |
| type_codecs_test('audio/wav', ['1'], []); |
| type_codecs_test('audio/webm', ['opus', 'vorbis'], []); |
| type_codecs_test('video/3gpp', ['samr'], ['mp4v.20.8']); |
| type_codecs_test('video/mp4', ['mp4a.40.2'], ['avc1.42E01E', 'avc1.4D401E', 'avc1.58A01E', 'avc1.64001E', 'mp4v.20.8', 'mp4v.20.240']); |
| type_codecs_test('video/ogg', ['opus', 'vorbis'], ['theora']); |
| type_codecs_test('video/webm', ['opus', 'vorbis'], ['vp8', 'vp8.0', 'vp9', 'vp9.0']); |
| </script> |
