| <!doctype html> |
| <html> |
| <head> |
| <title>MediaRecorder bitrate</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| promise_test(async (t) => { |
| const stream = await navigator.mediaDevices.getUserMedia({ audio : true }); |
| |
| let recorder = new MediaRecorder(stream, { bitsPerSecond : 1000000 }); |
| assert_equals(recorder.audioBitsPerSecond, 100000, "test 1"); |
| |
| recorder = new MediaRecorder(stream, { bitsPerSecond : 10000 }); |
| assert_equals(recorder.audioBitsPerSecond, 8000, "test 2"); |
| |
| recorder = new MediaRecorder(stream, { bitsPerSecond : 1000 }); |
| assert_equals(recorder.audioBitsPerSecond, 8000, "test 3"); |
| }, "audio bitrate"); |
| |
| promise_test(async (t) => { |
| const stream = await navigator.mediaDevices.getUserMedia({ video : true }); |
| |
| let recorder = new MediaRecorder(stream, { bitsPerSecond : 1000000 }); |
| assert_equals(recorder.videoBitsPerSecond, 900000, "test 1"); |
| |
| recorder = new MediaRecorder(stream, { bitsPerSecond : 100000 }); |
| assert_equals(recorder.videoBitsPerSecond, 90000, "test 2"); |
| |
| recorder = new MediaRecorder(stream, { bitsPerSecond : 10000 }); |
| assert_equals(recorder.videoBitsPerSecond, 80000, "test 3"); |
| }, "video bitrate"); |
| |
| promise_test(async (t) => { |
| const stream = await navigator.mediaDevices.getUserMedia({ audio : true, video : true }); |
| |
| let recorder = new MediaRecorder(stream, { bitsPerSecond : 1000000 }); |
| assert_equals(recorder.audioBitsPerSecond, 100000, "test 1"); |
| assert_equals(recorder.videoBitsPerSecond, 900000, "test 2"); |
| |
| recorder = new MediaRecorder(stream, { bitsPerSecond : 200000 }); |
| assert_equals(recorder.audioBitsPerSecond, 20000, "test 3"); |
| assert_equals(recorder.videoBitsPerSecond, 180000, "test 4"); |
| |
| recorder = new MediaRecorder(stream, { bitsPerSecond : 88000 }); |
| assert_equals(recorder.audioBitsPerSecond, 8800, "test 5"); |
| assert_equals(recorder.videoBitsPerSecond, 80000, "test 6"); |
| |
| recorder = new MediaRecorder(stream, { bitsPerSecond : 50000 }); |
| assert_equals(recorder.audioBitsPerSecond, 8000, "test 7"); |
| assert_equals(recorder.videoBitsPerSecond, 80000, "test 8"); |
| }, "audio video bitrate"); |
| </script> |
| </body> |
| </html> |
