зеркало из https://github.com/mozilla/gecko-dev.git
Backed out 3 changesets (bug 1431810) for failing test_bug1431810_opus_downmix_to_mono.html on Windows
Backed out changeset a01c1941a829 (bug 1431810) Backed out changeset 43eb1c01c67f (bug 1431810) Backed out changeset 3fe9d85d684a (bug 1431810)
This commit is contained in:
Gurzau Raul
Родитель
c8c4816b4f
Коммит
1368521911
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@ -162,19 +162,6 @@ void DownmixStereoToMono(mozilla::AudioDataValue* aBuffer,
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}
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}
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uint32_t DecideAudioPlaybackChannels(const AudioInfo& info)
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{
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if (MediaPrefs::MonoAudio()) {
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return 1;
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}
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if (MediaPrefs::AudioSinkForceStereo()) {
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return 2;
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}
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return info.mChannels;
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}
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bool
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IsVideoContentType(const nsCString& aContentType)
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{
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@ -158,10 +158,6 @@ ScaleDisplayByAspectRatio(gfx::IntSize& aDisplay, float aAspectRatio);
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void DownmixStereoToMono(mozilla::AudioDataValue* aBuffer,
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uint32_t aFrames);
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// Decide the number of playback channels according to the
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// given AudioInfo and the prefs that are being set.
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uint32_t DecideAudioPlaybackChannels(const AudioInfo& info);
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bool IsVideoContentType(const nsCString& aContentType);
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// Returns true if it's safe to use aPicture as the picture to be
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@ -64,7 +64,12 @@ AudioSink::AudioSink(AbstractThread* aThread,
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}
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MOZ_DIAGNOSTIC_ASSERT(mOutputRate, "output rate can't be 0.");
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mOutputChannels = DecideAudioPlaybackChannels(mInfo);
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bool monoAudioEnabled = MediaPrefs::MonoAudio();
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mOutputChannels =
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monoAudioEnabled
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? 1
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: (MediaPrefs::AudioSinkForceStereo() ? 2 : mInfo.mChannels);
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}
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AudioSink::~AudioSink()
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@ -95,17 +95,6 @@ OpusDataDecoder::Init()
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mOpusParser->mCoupledStreams,
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mMappingTable.Elements(),
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&r);
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// Opus has a special feature for stereo coding where it represent wide
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// stereo channels by 180-degree out of phase. This improves quality, but
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// needs to be disabled when the output is downmixed to mono. Playback number
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// of channels are set in AudioSink, using the same method
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// `DecideAudioPlaybackChannels()`, and triggers downmix if needed.
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if (mOpusDecoder && mOpusParser->mChannels == 2 &&
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DecideAudioPlaybackChannels(mInfo) == 1) {
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opus_multistream_decoder_ctl(mOpusDecoder, OPUS_SET_PHASE_INVERSION_DISABLED(1));
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}
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mSkip = mOpusParser->mPreSkip;
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mPaddingDiscarded = false;
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@ -607,8 +607,6 @@ support-files =
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test-7-6.1.opus^headers^
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test-8-7.1.opus
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test-8-7.1.opus^headers^
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test-stereo-phase-inversion-180.opus
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test-stereo-phase-inversion-180.opus^headers^
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variable-channel.ogg
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variable-channel.ogg^headers^
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variable-channel.opus
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@ -1275,5 +1273,3 @@ tags = hls
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# We could skip the test in that case as we cannot play 2 video at a time.
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skip-if = toolkit != 'android' || android_version < '18'
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tags = hls
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[test_bug1431810_opus_downmix_to_mono.html]
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Двоичные данные
dom/media/test/test-stereo-phase-inversion-180.opus
Двоичные данные
dom/media/test/test-stereo-phase-inversion-180.opus
Двоичный файл не отображается.
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@ -1 +0,0 @@
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Cache-Control: no-store
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@ -1,137 +0,0 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Media test: disable phase inversion in opus decoder</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<audio preload=none id="a" controls></audio>
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<audio preload=none id="b" controls></audio>
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<script class="testbody" type="text/javascript">
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/*
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This test makes use of an (stereo) opus file with phase inversion of 180 degrees (right = -left => right + left = 0).
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Firstly, the phase inversion is verified on a normal stereo playback.
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Secondly, mono playback is forced which results in the phase inversion being disabled (Bug 1431810).
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*/
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SimpleTest.waitForExplicitFinish();
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function areChannelsInverted(b1, b2) {
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for (var i = 0; i < b1.length; i++) {
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if (Math.abs(b1[i] + b2[i]) > 9e-3) {
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return false;
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}
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}
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return true;
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}
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function areChannelsEqual(b1, b2) {
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for (var i = 0; i < b1.length; i++) {
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if (Math.abs(b1[i] - b2[i]) > 9e-3) {
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return false;
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}
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}
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return true;
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}
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function isSilent(b) {
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for (var i = 0; i < b.length; i++) {
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if (b[i] != 0.0) {
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return false;
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}
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}
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return true;
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}
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function mediaElementWithPhaseInversion(audioContext, mediaElement, success) {
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let audio_source = audioContext.createMediaElementSource(mediaElement);
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let script_processor = audioContext.createScriptProcessor();
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audio_source.connect(script_processor);
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mediaElement.onplay = () => {
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script_processor.onaudioprocess = (e) => {
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let right = e.inputBuffer.getChannelData(0);
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let left = e.inputBuffer.getChannelData(1);
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// This is leading or trailing silence
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// produced by ScriptProcessor.
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if (isSilent(right) && isSilent(left)) {
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return;
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}
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ok(areChannelsInverted(right, left), "Channels must be inverted");
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}
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}
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mediaElement.onended = () => {
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ok(true, "End of file.");
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mediaElement.onended = null;
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script_processor.onaudioprocess = null;
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success();
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}
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mediaElement.src = "test-stereo-phase-inversion-180.opus";
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// Normal playback channels will by inverted
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mediaElement.play();
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}
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function mediaElementWithPhaseInversionDisabled(audioContext, mediaElement, success) {
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let audio_source = audioContext.createMediaElementSource(mediaElement);
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let script_processor = audioContext.createScriptProcessor();
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audio_source.connect(script_processor);
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mediaElement.onplay = () => {
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script_processor.onaudioprocess = (e) => {
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let right = e.inputBuffer.getChannelData(0);
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let left = e.inputBuffer.getChannelData(1);
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// This is leading or trailing silence
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// produced by ScriptProcessor.
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if (isSilent(right) && isSilent(left)) {
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return;
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}
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ok(!areChannelsInverted(right, left), "Channels must not be inverted");
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ok(areChannelsEqual(right, left), "Channels must be equal");
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}
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}
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mediaElement.onended = () => {
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ok(true, "End of file.");
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mediaElement.onended = null;
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script_processor.onaudioprocess = null;
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success();
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}
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mediaElement.src = "test-stereo-phase-inversion-180.opus";
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// Downmix to mono will force to disable opus phase inversion
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SpecialPowers.pushPrefEnv({"set": [["accessibility.monoaudio.enable", true]]})
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.then(() => {
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mediaElement.play();
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});
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}
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let ac = new AudioContext();
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function testPhaseInversion(mediaElement) {
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return new Promise((accept, reject) => {
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mediaElementWithPhaseInversion(ac, a, accept);
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});
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}
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function testPhaseInversionDisabled(mediaElement) {
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return new Promise((accept, reject) => {
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mediaElementWithPhaseInversionDisabled(ac, b, accept);
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});
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}
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// Start testing
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testPhaseInversion(a)
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.then( () => testPhaseInversionDisabled(b) )
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.then( () => SimpleTest.finish() )
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</script>
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</pre>
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</body>
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</html>
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@ -13,7 +13,7 @@
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var count = 20;
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function isSilent(b) {
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for (var i = 0; i < b.length; i++) {
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for (var i = 0; i < b.length; b++) {
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if (b[i] != 0.0) {
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return false;
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}
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