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// META: global=window,dedicatedworker
// META: script=/webcodecs/utils.js
const detachedArrayBuffer = new ArrayBuffer(4);
var b = detachedArrayBuffer.transferToFixedLength();
const invalidConfigs = [
{
comment: 'Missing codec',
config: {},
},
{
comment: 'Empty codec',
config: {codec: ''},
},
{
comment: 'Valid codec, detached description',
config: {codec: 'vp8', description: detachedArrayBuffer},
},
]; // invalidConfigs
invalidConfigs.forEach(entry => {
promise_test(
t => {
return promise_rejects_js(
t, TypeError, VideoDecoder.isConfigSupported(entry.config));
},
'Test that VideoDecoder.isConfigSupported() rejects invalid config:' +
entry.comment);
});
invalidConfigs.forEach(entry => {
async_test(
t => {
let codec = new VideoDecoder(getDefaultCodecInit(t));
assert_throws_js(TypeError, () => {
codec.configure(entry.config);
});
t.done();
},
'Test that VideoDecoder.configure() rejects invalid config:' +
entry.comment);
});
const arrayBuffer = new ArrayBuffer(12583);
const arrayBufferView = new DataView(arrayBuffer);
const validButUnsupportedConfigs = [
{
comment: 'Unrecognized codec',
config: {codec: 'bogus'},
},
{
comment: 'Unrecognized codec with dataview description',
config: {
codec: '7ﷺ۹.9',
description: arrayBufferView,
},
},
{
comment: 'Audio codec',
config: {codec: 'vorbis'},
},
{
comment: 'Ambiguous codec',
config: {codec: 'vp9'},
},
{
comment: 'Codec with bad casing',
config: {codec: 'Vp09.00.10.08'},
},
{
comment: 'Codec with MIME type',
config: {codec: 'video/webm; codecs="vp8"'},
},
{
comment: 'Possible future H264 codec string',
config: {codec: 'avc1.FF000b'},
},
{
comment: 'Possible future H264 codec string (level 2.9)',
config: {codec: 'avc1.4D401D'},
},
{
comment: 'Possible future HEVC codec string',
config: {codec: 'hvc1.C99.6FFFFFF.L93'},
},
{
comment: 'Possible future VP9 codec string',
config: {codec: 'vp09.99.99.08'},
},
{
comment: 'Possible future AV1 codec string',
config: {codec: 'av01.9.99M.08'},
},
{
comment: 'codec with spaces',
config: {codec: ' vp09.00.10.08 '},
},
]; // validButUnsupportedConfigs
validButUnsupportedConfigs.forEach(entry => {
promise_test(
t => {
return VideoDecoder.isConfigSupported(entry.config).then(support => {
assert_false(support.supported);
});
},
'Test that VideoDecoder.isConfigSupported() doesn\'t support config: ' +
entry.comment);
});
validButUnsupportedConfigs.forEach(entry => {
promise_test(
t => {
let isErrorCallbackCalled = false;
let codec = new VideoDecoder({
output: t.unreached_func('unexpected output'),
error: t.step_func(e => {
isErrorCallbackCalled = true;
assert_true(e instanceof DOMException);
assert_equals(e.name, 'NotSupportedError');
assert_equals(codec.state, 'closed', 'state');
})
});
codec.configure(entry.config);
return codec.flush()
.then(t.unreached_func('flush succeeded unexpectedly'))
.catch(t.step_func(e => {
assert_true(isErrorCallbackCalled, "isErrorCallbackCalled");
assert_true(e instanceof DOMException);
assert_equals(e.name, 'NotSupportedError');
assert_equals(codec.state, 'closed', 'state');
}));
},
'Test that VideoDecoder.configure() doesn\'t support config: ' +
entry.comment);
});
promise_test(t => {
// VideoDecoderInit lacks required fields.
assert_throws_js(TypeError, () => {
new VideoDecoder({});
});
// VideoDecoderInit has required fields.
let decoder = new VideoDecoder(getDefaultCodecInit(t));
assert_equals(decoder.state, 'unconfigured');
decoder.close();
return endAfterEventLoopTurn();
}, 'Test VideoDecoder construction');
const validConfigs = [
{
comment: 'variant 1 of h264 codec string',
config: {codec: 'avc3.42001E'},
},
{
comment: 'variant 2 of h264 codec string',
config: {codec: 'avc1.42001E'},
},
]; // validConfigs
validConfigs.forEach(entry => {
promise_test(async t => {
try {
await VideoDecoder.isConfigSupported(entry.config);
var decoder = new VideoDecoder(getDefaultCodecInit(t));
// Something that works with all codecs:
entry.config.width = 1280;
entry.config.height = 720;
decoder.configure(entry.config);
return decoder
.flush()
.then(
t.step_func(e => {
assert_equals(decoder.state, 'configured', 'codec is configured');
})
)
.catch(t.unreached_func('flush succeeded unexpectedly'));
} catch (e) {
assert_true(false, entry.comment + ' should not throw');
}
}, 'Test that VideoDecoder.isConfigSupported() accepts config:' + entry.comment);
});
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