diff options
Diffstat (limited to 'mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/GeckoHlsAudioRenderer.java')
| -rw-r--r-- | mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/GeckoHlsAudioRenderer.java | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/GeckoHlsAudioRenderer.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/GeckoHlsAudioRenderer.java new file mode 100644 index 0000000000..a666e0e860 --- /dev/null +++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/GeckoHlsAudioRenderer.java @@ -0,0 +1,170 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +package org.mozilla.gecko.media; + +import android.media.MediaCodec; +import android.media.MediaCodec.BufferInfo; +import android.media.MediaCodec.CryptoInfo; +import android.os.Build; +import android.util.Log; +import java.nio.ByteBuffer; +import java.util.List; +import org.mozilla.geckoview.BuildConfig; +import org.mozilla.thirdparty.com.google.android.exoplayer2.C; +import org.mozilla.thirdparty.com.google.android.exoplayer2.ExoPlaybackException; +import org.mozilla.thirdparty.com.google.android.exoplayer2.Format; +import org.mozilla.thirdparty.com.google.android.exoplayer2.RendererCapabilities; +import org.mozilla.thirdparty.com.google.android.exoplayer2.decoder.DecoderInputBuffer; +import org.mozilla.thirdparty.com.google.android.exoplayer2.mediacodec.MediaCodecInfo; +import org.mozilla.thirdparty.com.google.android.exoplayer2.mediacodec.MediaCodecSelector; +import org.mozilla.thirdparty.com.google.android.exoplayer2.mediacodec.MediaCodecUtil; +import org.mozilla.thirdparty.com.google.android.exoplayer2.util.MimeTypes; + +public class GeckoHlsAudioRenderer extends GeckoHlsRendererBase { + public GeckoHlsAudioRenderer(final GeckoHlsPlayer.ComponentEventDispatcher eventDispatcher) { + super(C.TRACK_TYPE_AUDIO, eventDispatcher); + assertTrue(Build.VERSION.SDK_INT >= 16); + LOGTAG = getClass().getSimpleName(); + DEBUG = !BuildConfig.MOZILLA_OFFICIAL; + } + + @Override + public final int supportsFormat(final Format format) { + /* + * FORMAT_EXCEEDS_CAPABILITIES : The Renderer is capable of rendering + * formats with the same mime type, but + * the properties of the format exceed + * the renderer's capability. + * FORMAT_UNSUPPORTED_SUBTYPE : The Renderer is a general purpose + * renderer for formats of the same + * top-level type, but is not capable of + * rendering the format or any other format + * with the same mime type because the + * sub-type is not supported. + * FORMAT_UNSUPPORTED_TYPE : The Renderer is not capable of rendering + * the format, either because it does not support + * the format's top-level type, or because it's + * a specialized renderer for a different mime type. + * ADAPTIVE_NOT_SEAMLESS : The Renderer can adapt between formats, + * but may suffer a brief discontinuity (~50-100ms) + * when adaptation occurs. + */ + final String mimeType = format.sampleMimeType; + if (!MimeTypes.isAudio(mimeType)) { + return RendererCapabilities.create(FORMAT_UNSUPPORTED_TYPE); + } + List<MediaCodecInfo> decoderInfos = null; + try { + final MediaCodecSelector mediaCodecSelector = MediaCodecSelector.DEFAULT; + decoderInfos = mediaCodecSelector.getDecoderInfos(mimeType, false, false); + } catch (final MediaCodecUtil.DecoderQueryException e) { + Log.e(LOGTAG, e.getMessage()); + } + if (decoderInfos == null || decoderInfos.isEmpty()) { + return RendererCapabilities.create(FORMAT_UNSUPPORTED_SUBTYPE); + } + final MediaCodecInfo info = decoderInfos.get(0); + /* + * Note : If the code can make it to this place, ExoPlayer assumes + * support for unknown sampleRate and channelCount when + * SDK version is less than 21, otherwise, further check is needed + * if there's no sampleRate/channelCount in format. + */ + final boolean decoderCapable = + (Build.VERSION.SDK_INT < 21) + || ((format.sampleRate == Format.NO_VALUE + || info.isAudioSampleRateSupportedV21(format.sampleRate)) + && (format.channelCount == Format.NO_VALUE + || info.isAudioChannelCountSupportedV21(format.channelCount))); + return RendererCapabilities.create( + decoderCapable ? FORMAT_HANDLED : FORMAT_EXCEEDS_CAPABILITIES, + ADAPTIVE_NOT_SEAMLESS, + TUNNELING_NOT_SUPPORTED); + } + + @Override + protected final void createInputBuffer() { + // We're not able to estimate the size for audio from format. So we rely + // on the dynamic allocation mechanism provided in DecoderInputBuffer. + mInputBuffer = null; + } + + @Override + protected void resetRenderer() { + mInputBuffer = null; + mInitialized = false; + } + + @Override + protected void handleReconfiguration(final DecoderInputBuffer bufferForRead) { + // Do nothing + } + + @Override + protected void handleFormatRead(final DecoderInputBuffer bufferForRead) + throws ExoPlaybackException { + onInputFormatChanged(mFormatHolder.format); + } + + @Override + protected void handleEndOfStream(final DecoderInputBuffer bufferForRead) { + mInputStreamEnded = true; + mDemuxedInputSamples.offer(GeckoHLSSample.EOS); + } + + @Override + protected void handleSamplePreparation(final DecoderInputBuffer bufferForRead) { + final int size = bufferForRead.data.limit(); + final byte[] realData = new byte[size]; + bufferForRead.data.get(realData, 0, size); + final ByteBuffer buffer = ByteBuffer.wrap(realData); + mInputBuffer = bufferForRead.data; + mInputBuffer.clear(); + + final CryptoInfo cryptoInfo = + bufferForRead.isEncrypted() ? bufferForRead.cryptoInfo.getFrameworkCryptoInfoV16() : null; + final BufferInfo bufferInfo = new BufferInfo(); + // Flags in DecoderInputBuffer are synced with MediaCodec Buffer flags. + int flags = 0; + flags |= bufferForRead.isKeyFrame() ? MediaCodec.BUFFER_FLAG_KEY_FRAME : 0; + flags |= bufferForRead.isEndOfStream() ? MediaCodec.BUFFER_FLAG_END_OF_STREAM : 0; + bufferInfo.set(0, size, bufferForRead.timeUs, flags); + + assertTrue(mFormats.size() >= 0); + // We add a new format in the list once format changes, so the formatIndex + // should indicate to the last(latest) format. + final GeckoHLSSample sample = + GeckoHLSSample.create(buffer, bufferInfo, cryptoInfo, mFormats.size() - 1); + + mDemuxedInputSamples.offer(sample); + + if (BuildConfig.DEBUG_BUILD) { + Log.d( + LOGTAG, + "Demuxed sample PTS : " + + sample.info.presentationTimeUs + + ", duration :" + + sample.duration + + ", formatIndex(" + + sample.formatIndex + + "), queue size : " + + mDemuxedInputSamples.size()); + } + } + + @Override + protected boolean clearInputSamplesQueue() { + if (DEBUG) { + Log.d(LOGTAG, "clearInputSamplesQueue"); + } + mDemuxedInputSamples.clear(); + return true; + } + + @Override + protected void notifyPlayerInputFormatChanged(final Format newFormat) { + mPlayerEventDispatcher.onAudioInputFormatChanged(newFormat); + } +} |