1 files changed, 0 insertions, 146 deletions
diff --git a/tree/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java b/tree/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java
deleted file mode 100644
index 891b228d..00000000
--- a/tree/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.google.android.exoplayer2.extractor.flv;
-
-import com.google.android.exoplayer2.C;
-import com.google.android.exoplayer2.Format;
-import com.google.android.exoplayer2.ParserException;
-import com.google.android.exoplayer2.extractor.TrackOutput;
-import com.google.android.exoplayer2.util.MimeTypes;
-import com.google.android.exoplayer2.util.NalUnitUtil;
-import com.google.android.exoplayer2.util.ParsableByteArray;
-import com.google.android.exoplayer2.video.AvcConfig;
-
-/**
- * Parses video tags from an FLV stream and extracts H.264 nal units.
- */
-/* package */ final class VideoTagPayloadReader extends TagPayloadReader {
-
-  // Video codec.
-  private static final int VIDEO_CODEC_AVC = 7;
-
-  // Frame types.
-  private static final int VIDEO_FRAME_KEYFRAME = 1;
-  private static final int VIDEO_FRAME_VIDEO_INFO = 5;
-
-  // Packet types.
-  private static final int AVC_PACKET_TYPE_SEQUENCE_HEADER = 0;
-  private static final int AVC_PACKET_TYPE_AVC_NALU = 1;
-
-  // Temporary arrays.
-  private final ParsableByteArray nalStartCode;
-  private final ParsableByteArray nalLength;
-  private int nalUnitLengthFieldLength;
-
-  // State variables.
-  private boolean hasOutputFormat;
-  private boolean hasOutputKeyframe;
-  private int frameType;
-
-  /**
-   * @param output A {@link TrackOutput} to which samples should be written.
-   */
-  public VideoTagPayloadReader(TrackOutput output) {
-    super(output);
-    nalStartCode = new ParsableByteArray(NalUnitUtil.NAL_START_CODE);
-    nalLength = new ParsableByteArray(4);
-  }
-
-  @Override
-  public void seek() {
-    hasOutputKeyframe = false;
-  }
-
-  @Override
-  protected boolean parseHeader(ParsableByteArray data) throws UnsupportedFormatException {
-    int header = data.readUnsignedByte();
-    int frameType = (header >> 4) & 0x0F;
-    int videoCodec = (header & 0x0F);
-    // Support just H.264 encoded content.
-    if (videoCodec != VIDEO_CODEC_AVC) {
-      throw new UnsupportedFormatException("Video format not supported: " + videoCodec);
-    }
-    this.frameType = frameType;
-    return (frameType != VIDEO_FRAME_VIDEO_INFO);
-  }
-
-  @Override
-  protected boolean parsePayload(ParsableByteArray data, long timeUs) throws ParserException {
-    int packetType = data.readUnsignedByte();
-    int compositionTimeMs = data.readInt24();
-
-    timeUs += compositionTimeMs * 1000L;
-    // Parse avc sequence header in case this was not done before.
-    if (packetType == AVC_PACKET_TYPE_SEQUENCE_HEADER && !hasOutputFormat) {
-      ParsableByteArray videoSequence = new ParsableByteArray(new byte[data.bytesLeft()]);
-      data.readBytes(videoSequence.data, 0, data.bytesLeft());
-      AvcConfig avcConfig = AvcConfig.parse(videoSequence);
-      nalUnitLengthFieldLength = avcConfig.nalUnitLengthFieldLength;
-      // Construct and output the format.
-      Format format =
-          new Format.Builder()
-              .setSampleMimeType(MimeTypes.VIDEO_H264)
-              .setWidth(avcConfig.width)
-              .setHeight(avcConfig.height)
-              .setPixelWidthHeightRatio(avcConfig.pixelWidthAspectRatio)
-              .setInitializationData(avcConfig.initializationData)
-              .build();
-      output.format(format);
-      hasOutputFormat = true;
-      return false;
-    } else if (packetType == AVC_PACKET_TYPE_AVC_NALU && hasOutputFormat) {
-      boolean isKeyframe = frameType == VIDEO_FRAME_KEYFRAME;
-      if (!hasOutputKeyframe && !isKeyframe) {
-        return false;
-      }
-      // TODO: Deduplicate with Mp4Extractor.
-      // Zero the top three bytes of the array that we'll use to decode nal unit lengths, in case
-      // they're only 1 or 2 bytes long.
-      byte[] nalLengthData = nalLength.data;
-      nalLengthData[0] = 0;
-      nalLengthData[1] = 0;
-      nalLengthData[2] = 0;
-      int nalUnitLengthFieldLengthDiff = 4 - nalUnitLengthFieldLength;
-      // NAL units are length delimited, but the decoder requires start code delimited units.
-      // Loop until we've written the sample to the track output, replacing length delimiters with
-      // start codes as we encounter them.
-      int bytesWritten = 0;
-      int bytesToWrite;
-      while (data.bytesLeft() > 0) {
-        // Read the NAL length so that we know where we find the next one.
-        data.readBytes(nalLength.data, nalUnitLengthFieldLengthDiff, nalUnitLengthFieldLength);
-        nalLength.setPosition(0);
-        bytesToWrite = nalLength.readUnsignedIntToInt();
-
-        // Write a start code for the current NAL unit.
-        nalStartCode.setPosition(0);
-        output.sampleData(nalStartCode, 4);
-        bytesWritten += 4;
-
-        // Write the payload of the NAL unit.
-        output.sampleData(data, bytesToWrite);
-        bytesWritten += bytesToWrite;
-      }
-      output.sampleMetadata(
-          timeUs, isKeyframe ? C.BUFFER_FLAG_KEY_FRAME : 0, bytesWritten, 0, null);
-      hasOutputKeyframe = true;
-      return true;
-    } else {
-      return false;
-    }
-  }
-
-}