tor-browser

The Tor Browser
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videoDecoder-codec-specific.https.any.js (15507B)


      1 // META: global=window,dedicatedworker
      2 // META: script=videoDecoder-codec-specific-setup.js
      3 // META: variant=?av1
      4 // META: variant=?vp8
      5 // META: variant=?vp9
      6 // META: variant=?h264_avc
      7 // META: variant=?h264_annexb
      8 // META: variant=?h265_hevc
      9 // META: variant=?h265_annexb
     10 
     11 promise_test(async t => {
     12  await checkImplements();
     13  const support = await VideoDecoder.isConfigSupported(CONFIG);
     14  assert_true(support.supported, 'supported');
     15 }, 'Test isConfigSupported()');
     16 
     17 promise_test(async t => {
     18  await checkImplements();
     19  // TODO(sandersd): Create a 1080p `description` for H.264 in AVC format.
     20  // This version is testing only the H.264 Annex B path.
     21  const config = {
     22    codec: CONFIG.codec,
     23    codedWidth: 1920,
     24    codedHeight: 1088,
     25    displayAspectWidth: 1920,
     26    displayAspectHeight: 1080,
     27  };
     28 
     29  const support = await VideoDecoder.isConfigSupported(config);
     30  assert_true(support.supported, 'supported');
     31 }, 'Test isConfigSupported() with 1080p crop');
     32 
     33 promise_test(async t => {
     34  await checkImplements();
     35  // Define a valid config that includes a hypothetical `futureConfigFeature`,
     36  // which is not yet recognized by the User Agent.
     37  const config = {
     38    ...CONFIG,
     39    colorSpace: {primaries: 'bt709'},
     40    futureConfigFeature: 'foo',
     41  };
     42 
     43  // The UA will evaluate validConfig as being "valid", ignoring the
     44  // `futureConfigFeature` it  doesn't recognize.
     45  const support = await VideoDecoder.isConfigSupported(config);
     46  assert_true(support.supported, 'supported');
     47  assert_equals(support.config.codec, config.codec, 'codec');
     48  assert_equals(support.config.codedWidth, config.codedWidth, 'codedWidth');
     49  assert_equals(support.config.codedHeight, config.codedHeight, 'codedHeight');
     50  assert_equals(support.config.displayAspectWidth, config.displayAspectWidth, 'displayAspectWidth');
     51  assert_equals(support.config.displayAspectHeight, config.displayAspectHeight, 'displayAspectHeight');
     52  assert_equals(support.config.colorSpace.primaries, config.colorSpace.primaries, 'color primaries');
     53  assert_equals(support.config.colorSpace.transfer, null, 'color transfer');
     54  assert_equals(support.config.colorSpace.matrix, null, 'color matrix');
     55  assert_equals(support.config.colorSpace.fullRange, null, 'color range');
     56  assert_false(support.config.hasOwnProperty('futureConfigFeature'), 'futureConfigFeature');
     57 
     58  if (config.description) {
     59    // The description must be copied.
     60    assert_false(
     61        support.config.description === config.description,
     62        'description is unique');
     63    assert_array_equals(
     64        new Uint8Array(support.config.description, 0),
     65        new Uint8Array(config.description, 0), 'description');
     66  } else {
     67    assert_false(support.config.hasOwnProperty('description'), 'description');
     68  }
     69 }, 'Test that isConfigSupported() returns a parsed configuration');
     70 
     71 promise_test(async t => {
     72  await checkImplements();
     73  async function test(t, config, description) {
     74    await promise_rejects_js(
     75        t, TypeError, VideoDecoder.isConfigSupported(config), description);
     76 
     77    const decoder = createVideoDecoder(t);
     78    assert_throws_js(TypeError, () => decoder.configure(config), description);
     79    assert_equals(decoder.state, 'unconfigured', 'state');
     80  }
     81 
     82  await test(t, {...CONFIG, codedWidth: 0}, 'invalid codedWidth');
     83  await test(t, {...CONFIG, displayAspectWidth: 0}, 'invalid displayAspectWidth');
     84 }, 'Test invalid configs');
     85 
     86 promise_test(async t => {
     87  await checkImplements();
     88  const decoder = createVideoDecoder(t);
     89  decoder.configure(CONFIG);
     90  assert_equals(decoder.state, 'configured', 'state');
     91 }, 'Test configure()');
     92 
     93 promise_test(async t => {
     94  await checkImplements();
     95  const callbacks = {};
     96  const decoder = createVideoDecoder(t, callbacks);
     97  decoder.configure(CONFIG);
     98  decoder.decode(CHUNKS[0]);
     99 
    100  let outputs = 0;
    101  callbacks.output = frame => {
    102    outputs++;
    103    assert_equals(frame.timestamp, CHUNKS[0].timestamp, 'timestamp');
    104    assert_equals(frame.duration, CHUNKS[0].duration, 'duration');
    105    frame.close();
    106  };
    107 
    108  await decoder.flush();
    109  assert_equals(outputs, 1, 'outputs');
    110 }, 'Decode a key frame');
    111 
    112 promise_test(async t => {
    113  await checkImplements();
    114  const callbacks = {};
    115  const decoder = createVideoDecoder(t, callbacks);
    116  decoder.configure(CONFIG);
    117 
    118  // Ensure type value is verified.
    119  assert_equals(CHUNKS[1].type, 'delta');
    120  assert_throws_dom('DataError', () => decoder.decode(CHUNKS[1], 'decode'));
    121 }, 'Decode a non key frame first fails');
    122 
    123 promise_test(async t => {
    124  await checkImplements();
    125  const callbacks = {};
    126  const decoder = createVideoDecoder(t, callbacks);
    127  decoder.configure(CONFIG);
    128 
    129  // Mark a keyframe chunk as a delta chunk to ensure any packet analysis
    130  // doesn't override the user provided type.
    131  let mismarked_chunk = new EncodedVideoChunk(
    132      {type: 'delta', timestamp: 0, duration: 1, data: CHUNK_DATA[0]});
    133 
    134  assert_throws_dom(
    135      'DataError', () => decoder.decode(mismarked_chunk, 'decode'));
    136 }, 'Decode a key frame marked as delta fails');
    137 
    138 promise_test(async t => {
    139  await checkImplements();
    140  const callbacks = {};
    141  const decoder = createVideoDecoder(t, callbacks);
    142  decoder.configure(CONFIG);
    143  for (let i = 0; i < 16; i++) {
    144    decoder.decode(new EncodedVideoChunk(
    145        {type: 'key', timestamp: 0, data: CHUNK_DATA[0]}));
    146  }
    147  assert_greater_than(decoder.decodeQueueSize, 0);
    148 
    149  // Wait for the first output, then reset the decoder.
    150  let outputs = 0;
    151  await new Promise(resolve => {
    152    callbacks.output = frame => {
    153      outputs++;
    154      assert_equals(outputs, 1, 'outputs');
    155      assert_equals(frame.timestamp, 0, 'timestamp');
    156      frame.close();
    157      decoder.reset();
    158      assert_equals(decoder.decodeQueueSize, 0, 'decodeQueueSize');
    159      resolve();
    160    };
    161  });
    162 
    163  decoder.configure(CONFIG);
    164  for (let i = 0; i < 4; i++) {
    165    decoder.decode(new EncodedVideoChunk(
    166        {type: 'key', timestamp: 1, data: CHUNK_DATA[0]}));
    167  }
    168 
    169  // Expect future outputs to come from after the reset.
    170  callbacks.output = frame => {
    171    outputs++;
    172    assert_equals(frame.timestamp, 1, 'timestamp');
    173    frame.close();
    174  };
    175 
    176  await decoder.flush();
    177  assert_equals(outputs, 5);
    178  assert_equals(decoder.decodeQueueSize, 0);
    179 }, 'Verify reset() suppresses outputs');
    180 
    181 promise_test(async t => {
    182  await checkImplements();
    183  const decoder = createVideoDecoder(t);
    184  assert_equals(decoder.state, 'unconfigured');
    185 
    186  decoder.reset();
    187  assert_equals(decoder.state, 'unconfigured');
    188  assert_throws_dom(
    189      'InvalidStateError', () => decoder.decode(CHUNKS[0]), 'decode');
    190  await promise_rejects_dom(t, 'InvalidStateError', decoder.flush(), 'flush');
    191 }, 'Test unconfigured VideoDecoder operations');
    192 
    193 promise_test(async t => {
    194  await checkImplements();
    195  const decoder = createVideoDecoder(t);
    196  decoder.close();
    197  assert_equals(decoder.state, 'closed');
    198  assert_throws_dom(
    199      'InvalidStateError', () => decoder.configure(CONFIG), 'configure');
    200  assert_throws_dom('InvalidStateError', () => decoder.reset(), 'reset');
    201  assert_throws_dom('InvalidStateError', () => decoder.close(), 'close');
    202  assert_throws_dom(
    203      'InvalidStateError', () => decoder.decode(CHUNKS[0]), 'decode');
    204  await promise_rejects_dom(t, 'InvalidStateError', decoder.flush(), 'flush');
    205 }, 'Test closed VideoDecoder operations');
    206 
    207 promise_test(async t => {
    208  await checkImplements();
    209  const callbacks = {};
    210 
    211  let errors = 0;
    212  let gotError = new Promise(resolve => callbacks.error = e => {
    213    errors++;
    214    resolve(e);
    215  });
    216  callbacks.output = frame => { frame.close(); };
    217 
    218  const decoder = createVideoDecoder(t, callbacks);
    219  decoder.configure(CONFIG);
    220  decoder.decode(CHUNKS[0]);  // Decode keyframe first.
    221  decoder.decode(new EncodedVideoChunk(
    222      {type: 'key', timestamp: 1, data: new ArrayBuffer(0)}));
    223 
    224  await promise_rejects_dom(t, "EncodingError",
    225    decoder.flush().catch((e) => {
    226      assert_equals(errors, 1);
    227      throw e;
    228    })
    229  );
    230 
    231  let e = await gotError;
    232  assert_true(e instanceof DOMException);
    233  assert_equals(e.name, 'EncodingError');
    234  assert_equals(decoder.state, 'closed', 'state');
    235 }, 'Decode empty frame');
    236 
    237 
    238 promise_test(async t => {
    239  await checkImplements();
    240  const callbacks = {};
    241 
    242  let errors = 0;
    243  let gotError = new Promise(resolve => callbacks.error = e => {
    244    errors++;
    245    resolve(e);
    246  });
    247 
    248  let outputs = 0;
    249  callbacks.output = frame => {
    250    outputs++;
    251    frame.close();
    252  };
    253 
    254  const decoder = createVideoDecoder(t, callbacks);
    255  decoder.configure(CONFIG);
    256  decoder.decode(CHUNKS[0]);  // Decode keyframe first.
    257  decoder.decode(createCorruptChunk(2));
    258 
    259  await promise_rejects_dom(t, "EncodingError",
    260    decoder.flush().catch((e) => {
    261      assert_equals(errors, 1);
    262      throw e;
    263    })
    264  );
    265 
    266  assert_less_than_equal(outputs, 1);
    267  let e = await gotError;
    268  assert_true(e instanceof DOMException);
    269  assert_equals(e.name, 'EncodingError');
    270  assert_equals(decoder.state, 'closed', 'state');
    271 }, 'Decode corrupt frame');
    272 
    273 promise_test(async t => {
    274  await checkImplements();
    275  const decoder = createVideoDecoder(t);
    276 
    277  decoder.configure(CONFIG);
    278  decoder.decode(CHUNKS[0]);  // Decode keyframe first.
    279  decoder.decode(createCorruptChunk(1));
    280 
    281  let flushDone = decoder.flush();
    282  decoder.close();
    283 
    284  // Flush should have been synchronously rejected, with no output() or error()
    285  // callbacks.
    286  await promise_rejects_dom(t, 'AbortError', flushDone);
    287 }, 'Close while decoding corrupt frame');
    288 
    289 promise_test(async t => {
    290  await checkImplements();
    291  const callbacks = {};
    292  const decoder = createVideoDecoder(t, callbacks);
    293 
    294  decoder.configure(CONFIG);
    295  decoder.decode(CHUNKS[0]);
    296 
    297  let outputs = 0;
    298  callbacks.output = frame => {
    299    outputs++;
    300    frame.close();
    301  };
    302 
    303  await decoder.flush();
    304  assert_equals(outputs, 1, 'outputs');
    305 
    306  decoder.decode(CHUNKS[0]);
    307  await decoder.flush();
    308  assert_equals(outputs, 2, 'outputs');
    309 }, 'Test decoding after flush');
    310 
    311 promise_test(async t => {
    312  await checkImplements();
    313  const callbacks = {};
    314  const decoder = createVideoDecoder(t, callbacks);
    315 
    316  decoder.configure(CONFIG);
    317  decoder.decode(new EncodedVideoChunk(
    318      {type: 'key', timestamp: -42, data: CHUNK_DATA[0]}));
    319 
    320  let outputs = 0;
    321  callbacks.output = frame => {
    322    outputs++;
    323    assert_equals(frame.timestamp, -42, 'timestamp');
    324    frame.close();
    325  };
    326 
    327  await decoder.flush();
    328  assert_equals(outputs, 1, 'outputs');
    329 }, 'Test decoding a with negative timestamp');
    330 
    331 promise_test(async t => {
    332  await checkImplements();
    333  const callbacks = {};
    334  const decoder = createVideoDecoder(t, callbacks);
    335 
    336  decoder.configure(CONFIG);
    337  decoder.decode(CHUNKS[0]);
    338  decoder.decode(CHUNKS[1]);
    339  const flushDone = decoder.flush();
    340 
    341  // Wait for the first output, then reset.
    342  let outputs = 0;
    343  await new Promise(resolve => {
    344    callbacks.output = frame => {
    345      outputs++;
    346      assert_equals(outputs, 1, 'outputs');
    347      decoder.reset();
    348      frame.close();
    349      resolve();
    350    };
    351  });
    352 
    353  // Flush should have been synchronously rejected.
    354  await promise_rejects_dom(t, 'AbortError', flushDone);
    355 
    356  assert_equals(outputs, 1, 'outputs');
    357 }, 'Test reset during flush');
    358 
    359 promise_test(async t => {
    360  await checkImplements();
    361  const callbacks = {};
    362  const decoder = createVideoDecoder(t, callbacks);
    363 
    364  decoder.configure(CONFIG);
    365  decoder.decode(CHUNKS[0]);
    366  const flushDone = decoder.flush();
    367 
    368  let flushDoneInCallback;
    369  let outputs = 0;
    370  await new Promise(resolve => {
    371    callbacks.output = frame => {
    372      decoder.reset();
    373      frame.close();
    374 
    375      callbacks.output = frame => {
    376        outputs++;
    377        frame.close();
    378      };
    379      callbacks.error = e => {
    380        t.unreached_func('unexpected error()');
    381      };
    382      decoder.configure(CONFIG);
    383      decoder.decode(CHUNKS[0]);
    384      flushDoneInCallback = decoder.flush();
    385 
    386      resolve();
    387    };
    388  });
    389 
    390  // First flush should have been synchronously rejected.
    391  await promise_rejects_dom(t, 'AbortError', flushDone);
    392  // Wait for the second flush and check the output count.
    393  await flushDoneInCallback;
    394  assert_equals(outputs, 1, 'outputs');
    395 }, 'Test new flush after reset in a flush callback');
    396 
    397 promise_test(async t => {
    398  await checkImplements();
    399  const callbacks = {};
    400  const decoder = createVideoDecoder(t, callbacks);
    401 
    402  decoder.configure(CONFIG);
    403  decoder.decode(CHUNKS[0]);
    404  const flushDone = decoder.flush();
    405  let flushDoneInCallback;
    406 
    407  await new Promise(resolve => {
    408    callbacks.output = frame => {
    409      decoder.reset();
    410      frame.close();
    411 
    412      callbacks.output = frame => { frame.close(); };
    413      decoder.configure(CONFIG);
    414      decoder.decode(CHUNKS[0]);
    415      decoder.decode(createCorruptChunk(1));
    416      flushDoneInCallback = decoder.flush();
    417 
    418      resolve();
    419    };
    420  });
    421 
    422  // First flush should have been synchronously rejected.
    423  await promise_rejects_dom(t, 'AbortError', flushDone);
    424  // Wait for the second flush and check the error in the rejected promise.
    425  await promise_rejects_dom(t, 'EncodingError', flushDoneInCallback);
    426 }, 'Test decoding a corrupt frame after reset in a flush callback');
    427 
    428 promise_test(async t => {
    429  await checkImplements();
    430  const callbacks = {};
    431  const decoder = createVideoDecoder(t, callbacks);
    432 
    433  decoder.configure({...CONFIG, optimizeForLatency: true});
    434  decoder.decode(CHUNKS[0]);
    435 
    436  // The frame should be output without flushing.
    437  await new Promise(resolve => {
    438    callbacks.output = frame => {
    439      frame.close();
    440      resolve();
    441    };
    442  });
    443 }, 'Test low-latency decoding');
    444 
    445 promise_test(async t => {
    446  await checkImplements();
    447  const callbacks = {};
    448  callbacks.output = frame => { frame.close(); };
    449  const decoder = createVideoDecoder(t, callbacks);
    450 
    451  // No decodes yet.
    452  assert_equals(decoder.decodeQueueSize, 0);
    453 
    454  decoder.configure(CONFIG);
    455 
    456  // Still no decodes.
    457  assert_equals(decoder.decodeQueueSize, 0);
    458 
    459  let lastDequeueSize = Infinity;
    460  decoder.ondequeue = () => {
    461    assert_greater_than(lastDequeueSize, 0, "Dequeue event after queue empty");
    462    assert_greater_than(lastDequeueSize, decoder.decodeQueueSize,
    463                        "Dequeue event without decreased queue size");
    464    lastDequeueSize = decoder.decodeQueueSize;
    465  };
    466 
    467  for (let chunk of CHUNKS)
    468    decoder.decode(chunk);
    469 
    470  assert_greater_than_equal(decoder.decodeQueueSize, 0);
    471  assert_less_than_equal(decoder.decodeQueueSize, CHUNKS.length);
    472 
    473  await decoder.flush();
    474  // We can guarantee that all decodes are processed after a flush.
    475  assert_equals(decoder.decodeQueueSize, 0);
    476  // Last dequeue event should fire when the queue is empty.
    477  assert_equals(lastDequeueSize, 0);
    478 
    479  // Reset this to Infinity to track the decline of queue size for this next
    480  // batch of decodes.
    481  lastDequeueSize = Infinity;
    482 
    483  for (let chunk of CHUNKS)
    484    decoder.decode(chunk);
    485 
    486  assert_greater_than_equal(decoder.decodeQueueSize, 0);
    487  decoder.reset();
    488  assert_equals(decoder.decodeQueueSize, 0);
    489 }, 'VideoDecoder decodeQueueSize test');
    490 
    491 promise_test(async t => {
    492  await checkImplements();
    493  const callbacks = {};
    494  const decoder = createVideoDecoder(t, callbacks);
    495  decoder.configure(CONFIG);
    496  decoder.reset();
    497  decoder.configure(CONFIG);
    498  decoder.decode(CHUNKS[0]);
    499 
    500  let outputs = 0;
    501  callbacks.output = frame => {
    502    outputs++;
    503    assert_equals(frame.timestamp, CHUNKS[0].timestamp, 'timestamp');
    504    assert_equals(frame.duration, CHUNKS[0].duration, 'duration');
    505    frame.close();
    506  };
    507 
    508  await decoder.flush();
    509  assert_equals(outputs, 1, 'outputs');
    510 }, 'Test configure, reset, configure does not stall');