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// META: global=window,dedicatedworker
// META: script=/webcodecs/video-encoder-utils.js
// META: variant=?av1
// META: variant=?vp8
// META: variant=?vp9_p0
// META: variant=?vp9_p2
// META: variant=?h264_avc
// META: variant=?h264_annexb
var ENCODER_CONFIG = null;
promise_setup(async () => {
const config = {
// FIXME: H.264 has embedded color space information too.
'?av1': {codec: 'av01.0.04M.08', hasEmbeddedColorSpace: true},
'?vp8': {codec: 'vp8', hasEmbeddedColorSpace: false},
'?vp9_p0': {codec: 'vp09.00.10.08', hasEmbeddedColorSpace: true},
'?vp9_p2': {codec: 'vp09.02.10.10', hasEmbeddedColorSpace: true},
'?h264_avc': {
codec: 'avc1.42001E',
avc: {format: 'avc'},
hasEmbeddedColorSpace: true
},
'?h264_annexb': {
codec: 'avc1.42001E',
avc: {format: 'annexb'},
hasEmbeddedColorSpace: true
}
}[location.search];
config.hardwareAcceleration = 'prefer-software';
config.width = 320;
config.height = 200;
config.bitrate = 1000000;
config.bitrateMode = "constant";
config.framerate = 30;
ENCODER_CONFIG = config;
});
async function runFullCycleTest(t, options) {
let encoder_config = { ...ENCODER_CONFIG };
let encoder_color_space = {};
const w = encoder_config.width;
const h = encoder_config.height;
let next_ts = 0
let frames_to_encode = 16;
let frames_encoded = 0;
let frames_decoded = 0;
await checkEncoderSupport(t, encoder_config);
let decoder = new VideoDecoder({
output(frame) {
assert_equals(frame.visibleRect.width, w, "visibleRect.width");
assert_equals(frame.visibleRect.height, h, "visibleRect.height");
assert_equals(frame.timestamp, next_ts++, "decode timestamp");
// The encoder is allowed to change the color space to satisfy the
// encoder when readback is needed to send the frame for encoding, but
// the decoder shouldn't change it after the fact.
assert_equals(
frame.colorSpace.primaries, encoder_color_space.primaries,
'colorSpace.primaries');
assert_equals(
frame.colorSpace.transfer, encoder_color_space.transfer,
'colorSpace.transfer');
assert_equals(
frame.colorSpace.matrix, encoder_color_space.matrix,
'colorSpace.matrix');
assert_equals(
frame.colorSpace.fullRange, encoder_color_space.fullRange,
'colorSpace.fullRange');
frames_decoded++;
assert_true(validateBlackDots(frame, frame.timestamp),
"frame doesn't match. ts: " + frame.timestamp);
frame.close();
},
error(e) {
assert_unreached(e.message);
}
});
let next_encode_ts = 0;
const encoder_init = {
output(chunk, metadata) {
let config = metadata.decoderConfig;
if (config) {
config.hardwareAcceleration = encoder_config.hardwareAcceleration;
encoder_color_space = config.colorSpace;
// Removes the color space provided by the encoder so that color space
// information in the underlying bitstream is exposed during decode.
if (options.stripDecoderConfigColorSpace)
config.colorSpace = {};
decoder.configure(config);
}
decoder.decode(chunk);
frames_encoded++;
assert_equals(chunk.timestamp, next_encode_ts++, "encode timestamp");
},
error(e) {
assert_unreached(e.message);
}
};
let encoder = new VideoEncoder(encoder_init);
encoder.configure(encoder_config);
for (let i = 0; i < frames_to_encode; i++) {
let frame = createDottedFrame(w, h, i);
// Frames should have a valid color space when created from canvas.
assert_not_equals(frame.colorSpace.primaries, null, 'colorSpace.primaries');
assert_not_equals(frame.colorSpace.transfer, null, 'colorSpace.transfer');
assert_not_equals(frame.colorSpace.matrix, null, 'colorSpace.matrix');
assert_not_equals(frame.colorSpace.fullRange, null, 'colorSpace.fullRange');
let keyframe = (i % 5 == 0);
encoder.encode(frame, { keyFrame: keyframe });
frame.close();
}
await encoder.flush();
await decoder.flush();
encoder.close();
decoder.close();
assert_equals(frames_encoded, frames_to_encode, "frames_encoded");
assert_equals(frames_decoded, frames_to_encode, "frames_decoded");
}
promise_test(async t => {
return runFullCycleTest(t, {});
}, 'Encoding and decoding cycle');
promise_test(async t => {
if (ENCODER_CONFIG.hasEmbeddedColorSpace)
return runFullCycleTest(t, {stripDecoderConfigColorSpace: true});
}, 'Encoding and decoding cycle w/ stripped color space');
|
