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https://github.com/codedread/bitjs
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codecs: Properly detect Matroska audio/video. Add codec support for AV1 video and DTS audio. Bump to 1.1.4.
This commit is contained in:
Jeff Schiller
parent
96a74d910c
commit
bb0f40394e
7 changed files with 213 additions and 137 deletions
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@ -113,16 +113,30 @@ describe('codecs test suite', () => {
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it('detects WEBM video', () => {
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expect(getShortMIMEString({
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format: { format_name: 'matroska,webm' },
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streams: [ { codec_type: 'video' } ],
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streams: [ { codec_type: 'video', codec_name: 'vp8' } ],
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})).equals('video/webm');
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});
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it('detects WEBM audio', () => {
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expect(getShortMIMEString({
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format: { format_name: 'matroska,webm' },
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streams: [ { codec_type: 'audio' } ],
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streams: [ { codec_type: 'audio', codec_name: 'vorbis' } ],
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})).equals('audio/webm');
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});
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it('detects Matroska Video', () => {
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expect(getShortMIMEString({
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format: { format_name: 'matroska,webm' },
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streams: [ { codec_type: 'video', codec_name: 'h264' } ],
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})).equals('video/x-matroska');
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});
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it('detects Matroska audio', () => {
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expect(getShortMIMEString({
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format: { format_name: 'matroska,webm' },
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streams: [ { codec_type: 'audio', codec_name: 'dts' } ],
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})).equals('audio/x-matroska');
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});
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});
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describe('getFullMIMEString()', () => {
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@ -228,86 +242,193 @@ describe('codecs test suite', () => {
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});
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});
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describe('VP09 / VP9', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{
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codec_type: 'video',
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codec_tag_string: 'vp09',
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}],
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};
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});
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describe('Profile tests', () => {
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describe('WebM' ,() => {
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describe('AV1', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info.streams[0].level = 20;
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{ codec_type: 'video', codec_name: 'av1' }],
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};
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});
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it('detects Profile 0', () => {
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info.streams[0].profile = 'Profile 0';
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.satisfy(s => s.startsWith('video/webm; codecs="vp09.00.'));
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it('outputs MIME string', () => {
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expect(getShortMIMEString(info)).equals('video/webm');
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expect(getFullMIMEString(info)).equals('video/webm; codecs="av1"')
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});
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});
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describe('Level tests', () => {
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describe('VP8', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info.streams[0].profile = 'Profile 0';
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{ codec_type: 'video', codec_name: 'vp8' }],
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};
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});
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it('detects 2-digit hex level', () => {
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it('outputs MIME string', () => {
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expect(getShortMIMEString(info)).equals('video/webm');
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expect(getFullMIMEString(info)).equals('video/webm; codecs="vp8"')
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});
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});
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describe('VP09 / VP9', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{ codec_type: 'video', codec_name: 'vp9', codec_tag_string: 'vp09' }],
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};
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});
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describe('Profile tests', () => {
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beforeEach(() => {
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info.streams[0].level = 20;
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});
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it('detects Profile 0', () => {
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info.streams[0].profile = 'Profile 0';
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.satisfy(s => s.startsWith('video/webm; codecs="vp09.00.'));
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});
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});
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describe('Level tests', () => {
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beforeEach(() => {
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info.streams[0].profile = 'Profile 0';
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});
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it('detects 2-digit hex level', () => {
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info.streams[0].level = 21; // 0x15
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.satisfy(s => s.startsWith('video/webm; codecs="vp09.'))
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.and.satisfy(s => {
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const matches = s.match(/vp09\.[0-9]{2}\.([0-9A-F]{2})\.[0-9A-F]{2}/);
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return matches && matches.length === 2 && matches[1] === '15';
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});
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});
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it('detects level = -99', () => {
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info.streams[0].level = -99; // I'm not sure what ffprobe means by this.
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('video/webm; codecs="vp9"');
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});
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});
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it('detects codec_name=vp9 but no codec_tag_string', () => {
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info.streams[0].codec_name = 'vp9';
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info.streams[0].codec_tag_string = '[0][0][0][0]';
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info.streams[0].profile = 'Profile 0';
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info.streams[0].level = 21; // 0x15
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.satisfy(s => s.startsWith('video/webm; codecs="vp09.'))
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.and.satisfy(s => {
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const matches = s.match(/vp09\.[0-9]{2}\.([0-9A-F]{2})\.[0-9A-F]{2}/);
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return matches && matches.length === 2 && matches[1] === '15';
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});
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});
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it('detects level = -99', () => {
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info.streams[0].level = -99; // I'm not sure what ffprobe means by this.
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('video/webm; codecs="vp9"');
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.to.be.a('string')
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.and.satisfy(s => s.startsWith('video/webm; codecs="vp09.00.15'));
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});
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});
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it('detects codec_name=vp9 but no codec_tag_string', () => {
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info.streams[0].codec_name = 'vp9';
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info.streams[0].codec_tag_string = '[0][0][0][0]';
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info.streams[0].profile = 'Profile 0';
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info.streams[0].level = 21; // 0x15
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.satisfy(s => s.startsWith('video/webm; codecs="vp09.00.15'));
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describe('Vorbis', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{ codec_type: 'audio', codec_name: 'vorbis' }],
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};
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});
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it('detects vorbis', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('audio/webm; codecs="vorbis"');
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});
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});
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describe('Opus', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{
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codec_type: 'audio',
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codec_name: 'opus',
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}],
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};
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});
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it('detects opus', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('audio/webm; codecs="opus"');
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});
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});
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});
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describe('MPEG2', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{
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codec_type: 'video',
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codec_name: 'mpeg2video',
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}],
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};
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describe('Matroska', () => {
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describe('MPEG2 codec', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{ codec_type: 'video', codec_name: 'mpeg2video' }],
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};
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});
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it('outputs full MIME string', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('video/x-matroska; codecs="mpeg2video"');
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});
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});
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describe('AC-3', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{ codec_type: 'audio', codec_name: 'ac3' }],
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};
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});
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it('detects AC-3', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('audio/x-matroska; codecs="ac-3"');
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});
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});
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describe('DTS', () => {
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/** @type {ProbeInfo} */
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let info;
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it('detects mpeg2video', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('video/webm; codecs="mpeg2video"');
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{ codec_type: 'audio', codec_name: 'dts' }],
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};
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});
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it('outputs full MIME string', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('audio/x-matroska; codecs="dts"');
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});
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});
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});
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@ -393,69 +514,6 @@ describe('codecs test suite', () => {
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});
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});
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describe('Vorbis', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{
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codec_type: 'audio',
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codec_name: 'vorbis',
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}],
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};
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});
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it('detects vorbis', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('audio/webm; codecs="vorbis"');
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});
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});
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describe('Opus', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{
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codec_type: 'audio',
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codec_name: 'opus',
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}],
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};
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});
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it('detects opus', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('audio/webm; codecs="opus"');
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});
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});
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describe('AC-3', () => {
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/** @type {ProbeInfo} */
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let info;
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beforeEach(() => {
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info = {
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format: { format_name: 'matroska,webm' },
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streams: [{
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codec_type: 'audio',
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codec_name: 'ac3',
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}],
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};
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});
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it('detects AC-3', () => {
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expect(getFullMIMEString(info))
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.to.be.a('string')
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.and.equals('audio/webm; codecs="ac-3"');
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});
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});
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describe('AVI', () => {
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it('detects AVI', () => {
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/** @type {ProbeInfo} */
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