// META: global=window,dedicatedworker
// META: variant=?av1
// META: variant=?vp8
// META: variant=?vp9
// META: variant=?h264_avc
// META: variant=?h264_annexb
// META: variant=?h265_hevc
// META: variant=?h265_annexb
const AV1_DATA = {
src: 'av1.mp4',
config: {
codec: 'av01.0.04M.08',
codedWidth: 320,
codedHeight: 240,
visibleRect: {x: 0, y: 0, width: 320, height: 240},
displayWidth: 320,
displayHeight: 240,
},
chunks: [
{offset: 48, size: 1938}, {offset: 1986, size: 848},
{offset: 2834, size: 3}, {offset: 2837, size: 47}, {offset: 2884, size: 3},
{offset: 2887, size: 116}, {offset: 3003, size: 3},
{offset: 3006, size: 51}, {offset: 3057, size: 25},
{offset: 3082, size: 105}
]
};
const VP8_DATA = {
src: 'vp8.webm',
config: {
codec: 'vp8',
codedWidth: 320,
codedHeight: 240,
visibleRect: {x: 0, y: 0, width: 320, height: 240},
displayWidth: 320,
displayHeight: 240,
},
chunks: [
{offset: 522, size: 4826}, {offset: 5355, size: 394},
{offset: 5756, size: 621}, {offset: 6384, size: 424},
{offset: 6815, size: 532}, {offset: 7354, size: 655},
{offset: 8016, size: 670}, {offset: 8693, size: 2413},
{offset: 11113, size: 402}, {offset: 11522, size: 686}
]
};
const VP9_DATA = {
src: 'vp9.mp4',
// TODO(sandersd): Verify that the file is actually level 1.
config: {
codec: 'vp09.00.10.08',
codedWidth: 320,
codedHeight: 240,
displayAspectWidth: 320,
displayAspectHeight: 240,
},
chunks: [
{offset: 44, size: 3315}, {offset: 3359, size: 203},
{offset: 3562, size: 245}, {offset: 3807, size: 172},
{offset: 3979, size: 312}, {offset: 4291, size: 170},
{offset: 4461, size: 195}, {offset: 4656, size: 181},
{offset: 4837, size: 356}, {offset: 5193, size: 159}
]
};
const H264_AVC_DATA = {
src: 'h264.mp4',
config: {
codec: 'avc1.64000b',
description: {offset: 9490, size: 45},
codedWidth: 320,
codedHeight: 240,
displayAspectWidth: 320,
displayAspectHeight: 240,
},
chunks: [
{offset: 48, size: 4140}, {offset: 4188, size: 604},
{offset: 4792, size: 475}, {offset: 5267, size: 561},
{offset: 5828, size: 587}, {offset: 6415, size: 519},
{offset: 6934, size: 532}, {offset: 7466, size: 523},
{offset: 7989, size: 454}, {offset: 8443, size: 528}
]
};
const H264_ANNEXB_DATA = {
src: 'h264.annexb',
config: {
codec: 'avc1.64000b',
codedWidth: 320,
codedHeight: 240,
displayAspectWidth: 320,
displayAspectHeight: 240,
},
chunks: [
{offset: 0, size: 4175}, {offset: 4175, size: 602},
{offset: 4777, size: 473}, {offset: 5250, size: 559},
{offset: 5809, size: 585}, {offset: 6394, size: 517},
{offset: 6911, size: 530}, {offset: 7441, size: 521},
{offset: 7962, size: 452}, {offset: 8414, size: 526}
]
};
const H265_HEVC_DATA = {
src: 'h265.mp4',
config: {
codec: 'hev1.1.6.L60.90',
description: {offset: 5821, size: 2406},
codedWidth: 320,
codedHeight: 240,
displayAspectWidth: 320,
displayAspectHeight: 240,
},
chunks: [
{offset: 44, size: 2515}, {offset: 2559, size: 279},
{offset: 2838, size: 327}, {offset: 3165, size: 329},
{offset: 3494, size: 308}, {offset: 3802, size: 292},
{offset: 4094, size: 352}, {offset: 4446, size: 296},
{offset: 4742, size: 216}, {offset: 4958, size: 344}
]
};
const H265_ANNEXB_DATA = {
src: 'h265.annexb',
config: {
codec: 'hev1.1.6.L60.90',
codedWidth: 320,
codedHeight: 240,
displayAspectWidth: 320,
displayAspectHeight: 240,
},
chunks: [
{offset: 0, size: 4894}, {offset: 4894, size: 279},
{offset: 5173, size: 327}, {offset: 5500, size: 329},
{offset: 5829, size: 308}, {offset: 6137, size: 292},
{offset: 6429, size: 352}, {offset: 6781, size: 296},
{offset: 7077, size: 216}, {offset: 7293, size: 344}
]
};
// Allows mutating `callbacks` after constructing the VideoDecoder, wraps calls
// in t.step().
function createVideoDecoder(t, callbacks) {
return new VideoDecoder({
output(frame) {
if (callbacks && callbacks.output) {
t.step(() => callbacks.output(frame));
} else {
t.unreached_func('unexpected output()');
}
},
error(e) {
if (callbacks && callbacks.error) {
t.step(() => callbacks.error(e));
} else {
t.unreached_func('unexpected error()');
}
}
});
}
function createCorruptChunk(index) {
let bad_data = CHUNK_DATA[index];
for (var i = 0; i < bad_data.byteLength; i += 4)
bad_data[i] = 0xFF;
return new EncodedVideoChunk(
{type: 'delta', timestamp: index, data: bad_data});
}
// Create a view of an ArrayBuffer.
function view(buffer, {offset, size}) {
return new Uint8Array(buffer, offset, size);
}
async function checkImplements() {
// Don't run any tests if the codec is not supported.
assert_equals("function", typeof VideoDecoder.isConfigSupported);
let supported = false;
try {
// TODO(sandersd): To properly support H.264 in AVC format, this should
// include the `description`. For now this test assumes that H.264 Annex B
// support is the same as H.264 AVC support.
const support =
await VideoDecoder.isConfigSupported({codec: CONFIG.codec});
supported = support.supported;
} catch (e) {
}
assert_implements_optional(supported, CONFIG.codec + ' unsupported');
}
let CONFIG = null;
let CHUNK_DATA = null;
let CHUNKS = null;
promise_setup(async () => {
const data = {
'?av1': AV1_DATA,
'?vp8': VP8_DATA,
'?vp9': VP9_DATA,
'?h264_avc': H264_AVC_DATA,
'?h264_annexb': H264_ANNEXB_DATA,
'?h265_hevc': H265_HEVC_DATA,
'?h265_annexb': H265_ANNEXB_DATA
}[location.search];
// Fetch the media data and prepare buffers.
const response = await fetch(data.src);
const buf = await response.arrayBuffer();
CONFIG = {...data.config};
if (data.config.description) {
CONFIG.description = view(buf, data.config.description);
}
CHUNK_DATA = data.chunks.map((chunk, i) => view(buf, chunk));
CHUNKS = CHUNK_DATA.map(
(data, i) => new EncodedVideoChunk(
{type: i == 0 ? 'key' : 'delta', timestamp: i, duration: 1, data}));
});
promise_test(async t => {
await checkImplements();
const support = await VideoDecoder.isConfigSupported(CONFIG);
assert_true(support.supported, 'supported');
}, 'Test isConfigSupported()');
promise_test(async t => {
await checkImplements();
// TODO(sandersd): Create a 1080p `description` for H.264 in AVC format.
// This version is testing only the H.264 Annex B path.
const config = {
codec: CONFIG.codec,
codedWidth: 1920,
codedHeight: 1088,
displayAspectWidth: 1920,
displayAspectHeight: 1080,
};
const support = await VideoDecoder.isConfigSupported(config);
assert_true(support.supported, 'supported');
}, 'Test isConfigSupported() with 1080p crop');
promise_test(async t => {
await checkImplements();
// Define a valid config that includes a hypothetical `futureConfigFeature`,
// which is not yet recognized by the User Agent.
const config = {
...CONFIG,
colorSpace: {primaries: 'bt709'},
futureConfigFeature: 'foo',
};
// The UA will evaluate validConfig as being "valid", ignoring the
// `futureConfigFeature` it doesn't recognize.
const support = await VideoDecoder.isConfigSupported(config);
assert_true(support.supported, 'supported');
assert_equals(support.config.codec, config.codec, 'codec');
assert_equals(support.config.codedWidth, config.codedWidth, 'codedWidth');
assert_equals(support.config.codedHeight, config.codedHeight, 'codedHeight');
assert_equals(support.config.displayAspectWidth, config.displayAspectWidth, 'displayAspectWidth');
assert_equals(support.config.displayAspectHeight, config.displayAspectHeight, 'displayAspectHeight');
assert_equals(support.config.colorSpace.primaries, config.colorSpace.primaries, 'color primaries');
assert_equals(support.config.colorSpace.transfer, null, 'color transfer');
assert_equals(support.config.colorSpace.matrix, null, 'color matrix');
assert_equals(support.config.colorSpace.fullRange, null, 'color range');
assert_false(support.config.hasOwnProperty('futureConfigFeature'), 'futureConfigFeature');
if (config.description) {
// The description must be copied.
assert_false(
support.config.description === config.description,
'description is unique');
assert_array_equals(
new Uint8Array(support.config.description, 0),
new Uint8Array(config.description, 0), 'description');
} else {
assert_false(support.config.hasOwnProperty('description'), 'description');
}
}, 'Test that isConfigSupported() returns a parsed configuration');
promise_test(async t => {
await checkImplements();
async function test(t, config, description) {
await promise_rejects_js(
t, TypeError, VideoDecoder.isConfigSupported(config), description);
const decoder = createVideoDecoder(t);
assert_throws_js(TypeError, () => decoder.configure(config), description);
assert_equals(decoder.state, 'unconfigured', 'state');
}
await test(t, {...CONFIG, codedWidth: 0}, 'invalid codedWidth');
await test(t, {...CONFIG, displayAspectWidth: 0}, 'invalid displayAspectWidth');
}, 'Test invalid configs');
promise_test(async t => {
await checkImplements();
const decoder = createVideoDecoder(t);
decoder.configure(CONFIG);
assert_equals(decoder.state, 'configured', 'state');
}, 'Test configure()');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]);
let outputs = 0;
callbacks.output = frame => {
outputs++;
assert_equals(frame.timestamp, CHUNKS[0].timestamp, 'timestamp');
assert_equals(frame.duration, CHUNKS[0].duration, 'duration');
frame.close();
};
await decoder.flush();
assert_equals(outputs, 1, 'outputs');
}, 'Decode a key frame');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
// Ensure type value is verified.
assert_equals(CHUNKS[1].type, 'delta');
assert_throws_dom('DataError', () => decoder.decode(CHUNKS[1], 'decode'));
}, 'Decode a non key frame first fails');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
for (let i = 0; i < 16; i++) {
decoder.decode(new EncodedVideoChunk(
{type: 'key', timestamp: 0, data: CHUNK_DATA[0]}));
}
assert_greater_than(decoder.decodeQueueSize, 0);
// Wait for the first output, then reset the decoder.
let outputs = 0;
await new Promise(resolve => {
callbacks.output = frame => {
outputs++;
assert_equals(outputs, 1, 'outputs');
assert_equals(frame.timestamp, 0, 'timestamp');
frame.close();
decoder.reset();
assert_equals(decoder.decodeQueueSize, 0, 'decodeQueueSize');
resolve();
};
});
decoder.configure(CONFIG);
for (let i = 0; i < 4; i++) {
decoder.decode(new EncodedVideoChunk(
{type: 'key', timestamp: 1, data: CHUNK_DATA[0]}));
}
// Expect future outputs to come from after the reset.
callbacks.output = frame => {
outputs++;
assert_equals(frame.timestamp, 1, 'timestamp');
frame.close();
};
await decoder.flush();
assert_equals(outputs, 5);
assert_equals(decoder.decodeQueueSize, 0);
}, 'Verify reset() suppresses outputs');
promise_test(async t => {
await checkImplements();
const decoder = createVideoDecoder(t);
assert_equals(decoder.state, 'unconfigured');
decoder.reset();
assert_equals(decoder.state, 'unconfigured');
assert_throws_dom(
'InvalidStateError', () => decoder.decode(CHUNKS[0]), 'decode');
await promise_rejects_dom(t, 'InvalidStateError', decoder.flush(), 'flush');
}, 'Test unconfigured VideoDecoder operations');
promise_test(async t => {
await checkImplements();
const decoder = createVideoDecoder(t);
decoder.close();
assert_equals(decoder.state, 'closed');
assert_throws_dom(
'InvalidStateError', () => decoder.configure(CONFIG), 'configure');
assert_throws_dom('InvalidStateError', () => decoder.reset(), 'reset');
assert_throws_dom('InvalidStateError', () => decoder.close(), 'close');
assert_throws_dom(
'InvalidStateError', () => decoder.decode(CHUNKS[0]), 'decode');
await promise_rejects_dom(t, 'InvalidStateError', decoder.flush(), 'flush');
}, 'Test closed VideoDecoder operations');
promise_test(async t => {
await checkImplements();
const callbacks = {};
let errors = 0;
let gotError = new Promise(resolve => callbacks.error = e => {
errors++;
resolve(e);
});
callbacks.output = frame => { frame.close(); };
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]); // Decode keyframe first.
decoder.decode(new EncodedVideoChunk(
{type: 'key', timestamp: 1, data: new ArrayBuffer(0)}));
await promise_rejects_dom(t, "EncodingError",
decoder.flush().catch((e) => {
assert_equals(errors, 1);
throw e;
})
);
let e = await gotError;
assert_true(e instanceof DOMException);
assert_equals(e.name, 'EncodingError');
assert_equals(decoder.state, 'closed', 'state');
}, 'Decode empty frame');
promise_test(async t => {
await checkImplements();
const callbacks = {};
let errors = 0;
let gotError = new Promise(resolve => callbacks.error = e => {
errors++;
resolve(e);
});
let outputs = 0;
callbacks.output = frame => {
outputs++;
frame.close();
};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]); // Decode keyframe first.
decoder.decode(createCorruptChunk(2));
await promise_rejects_dom(t, "EncodingError",
decoder.flush().catch((e) => {
assert_equals(errors, 1);
throw e;
})
);
assert_less_than_equal(outputs, 1);
let e = await gotError;
assert_true(e instanceof DOMException);
assert_equals(e.name, 'EncodingError');
assert_equals(decoder.state, 'closed', 'state');
}, 'Decode corrupt frame');
promise_test(async t => {
await checkImplements();
const decoder = createVideoDecoder(t);
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]); // Decode keyframe first.
decoder.decode(createCorruptChunk(1));
let flushDone = decoder.flush();
decoder.close();
// Flush should have been synchronously rejected, with no output() or error()
// callbacks.
await promise_rejects_dom(t, 'AbortError', flushDone);
}, 'Close while decoding corrupt frame');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]);
let outputs = 0;
callbacks.output = frame => {
outputs++;
frame.close();
};
await decoder.flush();
assert_equals(outputs, 1, 'outputs');
decoder.decode(CHUNKS[0]);
await decoder.flush();
assert_equals(outputs, 2, 'outputs');
}, 'Test decoding after flush');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
decoder.decode(new EncodedVideoChunk(
{type: 'key', timestamp: -42, data: CHUNK_DATA[0]}));
let outputs = 0;
callbacks.output = frame => {
outputs++;
assert_equals(frame.timestamp, -42, 'timestamp');
frame.close();
};
await decoder.flush();
assert_equals(outputs, 1, 'outputs');
}, 'Test decoding a with negative timestamp');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]);
decoder.decode(CHUNKS[1]);
const flushDone = decoder.flush();
// Wait for the first output, then reset.
let outputs = 0;
await new Promise(resolve => {
callbacks.output = frame => {
outputs++;
assert_equals(outputs, 1, 'outputs');
decoder.reset();
frame.close();
resolve();
};
});
// Flush should have been synchronously rejected.
await promise_rejects_dom(t, 'AbortError', flushDone);
assert_equals(outputs, 1, 'outputs');
}, 'Test reset during flush');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]);
const flushDone = decoder.flush();
let flushDoneInCallback;
let outputs = 0;
await new Promise(resolve => {
callbacks.output = frame => {
decoder.reset();
frame.close();
callbacks.output = frame => {
outputs++;
frame.close();
};
callbacks.error = e => {
t.unreached_func('unexpected error()');
};
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]);
flushDoneInCallback = decoder.flush();
resolve();
};
});
// First flush should have been synchronously rejected.
await promise_rejects_dom(t, 'AbortError', flushDone);
// Wait for the second flush and check the output count.
await flushDoneInCallback;
assert_equals(outputs, 1, 'outputs');
}, 'Test new flush after reset in a flush callback');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]);
const flushDone = decoder.flush();
let flushDoneInCallback;
await new Promise(resolve => {
callbacks.output = frame => {
decoder.reset();
frame.close();
callbacks.output = frame => { frame.close(); };
decoder.configure(CONFIG);
decoder.decode(CHUNKS[0]);
decoder.decode(createCorruptChunk(1));
flushDoneInCallback = decoder.flush();
resolve();
};
});
// First flush should have been synchronously rejected.
await promise_rejects_dom(t, 'AbortError', flushDone);
// Wait for the second flush and check the error in the rejected promise.
await promise_rejects_dom(t, 'EncodingError', flushDoneInCallback);
}, 'Test decoding a corrupt frame after reset in a flush callback');
promise_test(async t => {
await checkImplements();
const callbacks = {};
const decoder = createVideoDecoder(t, callbacks);
decoder.configure({...CONFIG, optimizeForLatency: true});
decoder.decode(CHUNKS[0]);
// The frame should be output without flushing.
await new Promise(resolve => {
callbacks.output = frame => {
frame.close();
resolve();
};
});
}, 'Test low-latency decoding');
promise_test(async t => {
await checkImplements();
const callbacks = {};
callbacks.output = frame => { frame.close(); };
const decoder = createVideoDecoder(t, callbacks);
// No decodes yet.
assert_equals(decoder.decodeQueueSize, 0);
decoder.configure(CONFIG);
// Still no decodes.
assert_equals(decoder.decodeQueueSize, 0);
let lastDequeueSize = Infinity;
decoder.ondequeue = () => {
assert_greater_than(lastDequeueSize, 0, "Dequeue event after queue empty");
assert_greater_than(lastDequeueSize, decoder.decodeQueueSize,
"Dequeue event without decreased queue size");
lastDequeueSize = decoder.decodeQueueSize;
};
for (let chunk of CHUNKS)
decoder.decode(chunk);
assert_greater_than_equal(decoder.decodeQueueSize, 0);
assert_less_than_equal(decoder.decodeQueueSize, CHUNKS.length);
await decoder.flush();
// We can guarantee that all decodes are processed after a flush.
assert_equals(decoder.decodeQueueSize, 0);
// Last dequeue event should fire when the queue is empty.
assert_equals(lastDequeueSize, 0);
// Reset this to Infinity to track the decline of queue size for this next
// batch of decodes.
lastDequeueSize = Infinity;
for (let chunk of CHUNKS)
decoder.decode(chunk);
assert_greater_than_equal(decoder.decodeQueueSize, 0);
decoder.reset();
assert_equals(decoder.decodeQueueSize, 0);
}, 'VideoDecoder decodeQueueSize test');
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