Move /webrtc/api/android files to /webrtc/sdk/android

webrtc/api/android/java/src/org/webrtc/FileVideoCapturer.java

-/*
- *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-package org.webrtc;
-
-import android.content.Context;
-import android.os.SystemClock;
-
-import java.util.concurrent.TimeUnit;
-import java.util.Timer;
-import java.util.TimerTask;
-import java.io.RandomAccessFile;
-import java.io.IOException;
-
-public class FileVideoCapturer implements VideoCapturer {
-  private interface VideoReader {
-    int getFrameWidth();
-    int getFrameHeight();
-    byte[] getNextFrame();
-    void close();
-  }
-
-  /**
-   * Read video data from file for the .y4m container.
-   */
-  private static class VideoReaderY4M implements VideoReader {
-    private final static String TAG = "VideoReaderY4M";
-    private final int frameWidth;
-    private final int frameHeight;
-    private final int frameSize;
-
-    // First char after header
-    private final long videoStart;
-
-    private static final String Y4M_FRAME_DELIMETER = "FRAME";
-
-    private final RandomAccessFile mediaFileStream;
-
-    public int getFrameWidth() {
-      return frameWidth;
-    }
-
-    public int getFrameHeight() {
-      return frameHeight;
-    }
-
-    public VideoReaderY4M(String file) throws IOException {
-      mediaFileStream = new RandomAccessFile(file, "r");
-      StringBuilder builder = new StringBuilder();
-      for (;;) {
-        int c = mediaFileStream.read();
-        if (c == -1) {
-          // End of file reached.
-          throw new RuntimeException("Found end of file before end of header for file: " + file);
-        }
-        if (c == '\n') {
-          // End of header found.
-          break;
-        }
-        builder.append((char) c);
-      }
-      videoStart = mediaFileStream.getFilePointer();
-      String header = builder.toString();
-      String[] headerTokens = header.split("[ ]");
-      int w = 0;
-      int h = 0;
-      String colorSpace = "";
-      for (String tok : headerTokens) {
-        char c = tok.charAt(0);
-        switch (c) {
-          case 'W':
-            w = Integer.parseInt(tok.substring(1));
-            break;
-          case 'H':
-            h = Integer.parseInt(tok.substring(1));
-            break;
-          case 'C':
-            colorSpace = tok.substring(1);
-            break;
-        }
-      }
-      Logging.d(TAG, "Color space: " + colorSpace);
-      if (!colorSpace.equals("420") && !colorSpace.equals("420mpeg2")) {
-        throw new IllegalArgumentException(
-            "Does not support any other color space than I420 or I420mpeg2");
-      }
-      if ((w % 2) == 1 || (h % 2) == 1) {
-        throw new IllegalArgumentException("Does not support odd width or height");
-      }
-      frameWidth = w;
-      frameHeight = h;
-      frameSize = w * h * 3 / 2;
-      Logging.d(TAG, "frame dim: (" + w + ", " + h + ") frameSize: " + frameSize);
-    }
-
-    public byte[] getNextFrame() {
-      byte[] frame = new byte[frameSize];
-      try {
-        byte[] frameDelim = new byte[Y4M_FRAME_DELIMETER.length() + 1];
-        if (mediaFileStream.read(frameDelim) < frameDelim.length) {
-          // We reach end of file, loop
-          mediaFileStream.seek(videoStart);
-          if (mediaFileStream.read(frameDelim) < frameDelim.length) {
-            throw new RuntimeException("Error looping video");
-          }
-        }
-        String frameDelimStr = new String(frameDelim);
-        if (!frameDelimStr.equals(Y4M_FRAME_DELIMETER + "\n")) {
-          throw new RuntimeException(
-              "Frames should be delimited by FRAME plus newline, found delimter was: '"
-              + frameDelimStr + "'");
-        }
-        mediaFileStream.readFully(frame);
-        byte[] nv21Frame = new byte[frameSize];
-        nativeI420ToNV21(frame, frameWidth, frameHeight, nv21Frame);
-        return nv21Frame;
-      } catch (IOException e) {
-        throw new RuntimeException(e);
-      }
-    }
-
-    public void close() {
-      try {
-        mediaFileStream.close();
-      } catch (IOException e) {
-        Logging.e(TAG, "Problem closing file", e);
-      }
-    }
-  }
-
-  private final static String TAG = "FileVideoCapturer";
-  private final VideoReader videoReader;
-  private CapturerObserver capturerObserver;
-  private final Timer timer = new Timer();
-
-  private final TimerTask tickTask = new TimerTask() {
-    @Override
-    public void run() {
-      tick();
-    }
-  };
-
-  private int getFrameWidth() {
-    return videoReader.getFrameWidth();
-  }
-
-  private int getFrameHeight() {
-    return videoReader.getFrameHeight();
-  }
-
-  public FileVideoCapturer(String inputFile) throws IOException {
-    try {
-      videoReader = new VideoReaderY4M(inputFile);
-    } catch (IOException e) {
-      Logging.d(TAG, "Could not open video file: " + inputFile);
-      throw e;
-    }
-  }
-
-  private byte[] getNextFrame() {
-    return videoReader.getNextFrame();
-  }
-
-  public void tick() {
-    final long captureTimeNs = TimeUnit.MILLISECONDS.toNanos(SystemClock.elapsedRealtime());
-
-    byte[] frameData = getNextFrame();
-    capturerObserver.onByteBufferFrameCaptured(
-        frameData, getFrameWidth(), getFrameHeight(), 0, captureTimeNs);
-  }
-
-  @Override
-  public void initialize(SurfaceTextureHelper surfaceTextureHelper, Context applicationContext,
-      CapturerObserver capturerObserver) {
-    this.capturerObserver = capturerObserver;
-  }
-
-  @Override
-  public void startCapture(int width, int height, int framerate) {
-    timer.schedule(tickTask, 0, 1000 / framerate);
-  }
-
-  @Override
-  public void stopCapture() throws InterruptedException {
-    timer.cancel();
-  }
-
-  @Override
-  public void changeCaptureFormat(int width, int height, int framerate) {
-    // Empty on purpose
-  }
-
-  @Override
-  public void dispose() {
-    videoReader.close();
-  }
-
-  @Override
-  public boolean isScreencast() {
-    return false;
-  }
-
-  public static native void nativeI420ToNV21(byte[] src, int width, int height, byte[] dst);
-}