Java Code Examples for com.google.android.exoplayer2.util.ParsableBitArray#byteAlign()

The following examples show how to use com.google.android.exoplayer2.util.ParsableBitArray#byteAlign() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DvbParser.java    From MediaSDK with Apache License 2.0 4 votes vote down vote up 
/** Draws a pixel data sub-block, as defined by ETSI EN 300 743 7.2.5.1, into a canvas. */
private static void paintPixelDataSubBlock(
    byte[] pixelData,
    int[] clutEntries,
    int regionDepth,
    int horizontalAddress,
    int verticalAddress,
    @Nullable Paint paint,
    Canvas canvas) {
  ParsableBitArray data = new ParsableBitArray(pixelData);
  int column = horizontalAddress;
  int line = verticalAddress;
  @Nullable byte[] clutMapTable2To4 = null;
  @Nullable byte[] clutMapTable2To8 = null;
  @Nullable byte[] clutMapTable4To8 = null;

  while (data.bitsLeft() != 0) {
    int dataType = data.readBits(8);
    switch (dataType) {
      case DATA_TYPE_2BP_CODE_STRING:
        @Nullable byte[] clutMapTable2ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable2ToX = clutMapTable2To8 == null ? defaultMap2To8 : clutMapTable2To8;
        } else if (regionDepth == REGION_DEPTH_4_BIT) {
          clutMapTable2ToX = clutMapTable2To4 == null ? defaultMap2To4 : clutMapTable2To4;
        } else {
          clutMapTable2ToX = null;
        }
        column = paint2BitPixelCodeString(data, clutEntries, clutMapTable2ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_4BP_CODE_STRING:
        @Nullable byte[] clutMapTable4ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable4ToX = clutMapTable4To8 == null ? defaultMap4To8 : clutMapTable4To8;
        } else {
          clutMapTable4ToX = null;
        }
        column = paint4BitPixelCodeString(data, clutEntries, clutMapTable4ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_8BP_CODE_STRING:
        column =
            paint8BitPixelCodeString(
                data, clutEntries, /* clutMapTable= */ null, column, line, paint, canvas);
        break;
      case DATA_TYPE_24_TABLE_DATA:
        clutMapTable2To4 = buildClutMapTable(4, 4, data);
        break;
      case DATA_TYPE_28_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(4, 8, data);
        break;
      case DATA_TYPE_48_TABLE_DATA:
        clutMapTable4To8 = buildClutMapTable(16, 8, data);
        break;
      case DATA_TYPE_END_LINE:
        column = horizontalAddress;
        line += 2;
        break;
      default:
        // Do nothing.
        break;
    }
  }
}
Example 2
Source File: DvbParser.java    From TelePlus-Android with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Draws a pixel data sub-block, as defined by ETSI EN 300 743 7.2.5.1, into a canvas.
 */
private static void paintPixelDataSubBlock(byte[] pixelData, int[] clutEntries, int regionDepth,
    int horizontalAddress, int verticalAddress, Paint paint, Canvas canvas) {
  ParsableBitArray data = new ParsableBitArray(pixelData);
  int column = horizontalAddress;
  int line = verticalAddress;
  byte[] clutMapTable2To4 = null;
  byte[] clutMapTable2To8 = null;
  byte[] clutMapTable4To8 = null;

  while (data.bitsLeft() != 0) {
    int dataType = data.readBits(8);
    switch (dataType) {
      case DATA_TYPE_2BP_CODE_STRING:
        byte[] clutMapTable2ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable2ToX = clutMapTable2To8 == null ? defaultMap2To8 : clutMapTable2To8;
        } else if (regionDepth == REGION_DEPTH_4_BIT) {
          clutMapTable2ToX = clutMapTable2To4 == null ? defaultMap2To4 : clutMapTable2To4;
        } else {
          clutMapTable2ToX = null;
        }
        column = paint2BitPixelCodeString(data, clutEntries, clutMapTable2ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_4BP_CODE_STRING:
        byte[] clutMapTable4ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable4ToX = clutMapTable4To8 == null ? defaultMap4To8 : clutMapTable4To8;
        } else {
          clutMapTable4ToX = null;
        }
        column = paint4BitPixelCodeString(data, clutEntries, clutMapTable4ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_8BP_CODE_STRING:
        column = paint8BitPixelCodeString(data, clutEntries, null, column, line, paint, canvas);
        break;
      case DATA_TYPE_24_TABLE_DATA:
        clutMapTable2To4 = buildClutMapTable(4, 4, data);
        break;
      case DATA_TYPE_28_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(4, 8, data);
        break;
      case DATA_TYPE_48_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(16, 8, data);
        break;
      case DATA_TYPE_END_LINE:
        column = horizontalAddress;
        line += 2;
        break;
      default:
        // Do nothing.
        break;
    }
  }
}
Example 3
Source File: DvbParser.java    From TelePlus-Android with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Draws a pixel data sub-block, as defined by ETSI EN 300 743 7.2.5.1, into a canvas.
 */
private static void paintPixelDataSubBlock(byte[] pixelData, int[] clutEntries, int regionDepth,
    int horizontalAddress, int verticalAddress, Paint paint, Canvas canvas) {
  ParsableBitArray data = new ParsableBitArray(pixelData);
  int column = horizontalAddress;
  int line = verticalAddress;
  byte[] clutMapTable2To4 = null;
  byte[] clutMapTable2To8 = null;
  byte[] clutMapTable4To8 = null;

  while (data.bitsLeft() != 0) {
    int dataType = data.readBits(8);
    switch (dataType) {
      case DATA_TYPE_2BP_CODE_STRING:
        byte[] clutMapTable2ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable2ToX = clutMapTable2To8 == null ? defaultMap2To8 : clutMapTable2To8;
        } else if (regionDepth == REGION_DEPTH_4_BIT) {
          clutMapTable2ToX = clutMapTable2To4 == null ? defaultMap2To4 : clutMapTable2To4;
        } else {
          clutMapTable2ToX = null;
        }
        column = paint2BitPixelCodeString(data, clutEntries, clutMapTable2ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_4BP_CODE_STRING:
        byte[] clutMapTable4ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable4ToX = clutMapTable4To8 == null ? defaultMap4To8 : clutMapTable4To8;
        } else {
          clutMapTable4ToX = null;
        }
        column = paint4BitPixelCodeString(data, clutEntries, clutMapTable4ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_8BP_CODE_STRING:
        column = paint8BitPixelCodeString(data, clutEntries, null, column, line, paint, canvas);
        break;
      case DATA_TYPE_24_TABLE_DATA:
        clutMapTable2To4 = buildClutMapTable(4, 4, data);
        break;
      case DATA_TYPE_28_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(4, 8, data);
        break;
      case DATA_TYPE_48_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(16, 8, data);
        break;
      case DATA_TYPE_END_LINE:
        column = horizontalAddress;
        line += 2;
        break;
      default:
        // Do nothing.
        break;
    }
  }
}
Example 4
Source File: DvbParser.java    From Telegram-FOSS with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Draws a pixel data sub-block, as defined by ETSI EN 300 743 7.2.5.1, into a canvas.
 */
private static void paintPixelDataSubBlock(byte[] pixelData, int[] clutEntries, int regionDepth,
    int horizontalAddress, int verticalAddress, Paint paint, Canvas canvas) {
  ParsableBitArray data = new ParsableBitArray(pixelData);
  int column = horizontalAddress;
  int line = verticalAddress;
  byte[] clutMapTable2To4 = null;
  byte[] clutMapTable2To8 = null;
  byte[] clutMapTable4To8 = null;

  while (data.bitsLeft() != 0) {
    int dataType = data.readBits(8);
    switch (dataType) {
      case DATA_TYPE_2BP_CODE_STRING:
        byte[] clutMapTable2ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable2ToX = clutMapTable2To8 == null ? defaultMap2To8 : clutMapTable2To8;
        } else if (regionDepth == REGION_DEPTH_4_BIT) {
          clutMapTable2ToX = clutMapTable2To4 == null ? defaultMap2To4 : clutMapTable2To4;
        } else {
          clutMapTable2ToX = null;
        }
        column = paint2BitPixelCodeString(data, clutEntries, clutMapTable2ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_4BP_CODE_STRING:
        byte[] clutMapTable4ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable4ToX = clutMapTable4To8 == null ? defaultMap4To8 : clutMapTable4To8;
        } else {
          clutMapTable4ToX = null;
        }
        column = paint4BitPixelCodeString(data, clutEntries, clutMapTable4ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_8BP_CODE_STRING:
        column = paint8BitPixelCodeString(data, clutEntries, null, column, line, paint, canvas);
        break;
      case DATA_TYPE_24_TABLE_DATA:
        clutMapTable2To4 = buildClutMapTable(4, 4, data);
        break;
      case DATA_TYPE_28_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(4, 8, data);
        break;
      case DATA_TYPE_48_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(16, 8, data);
        break;
      case DATA_TYPE_END_LINE:
        column = horizontalAddress;
        line += 2;
        break;
      default:
        // Do nothing.
        break;
    }
  }
}
Example 5
Source File: DvbParser.java    From Telegram with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Draws a pixel data sub-block, as defined by ETSI EN 300 743 7.2.5.1, into a canvas.
 */
private static void paintPixelDataSubBlock(byte[] pixelData, int[] clutEntries, int regionDepth,
    int horizontalAddress, int verticalAddress, Paint paint, Canvas canvas) {
  ParsableBitArray data = new ParsableBitArray(pixelData);
  int column = horizontalAddress;
  int line = verticalAddress;
  byte[] clutMapTable2To4 = null;
  byte[] clutMapTable2To8 = null;
  byte[] clutMapTable4To8 = null;

  while (data.bitsLeft() != 0) {
    int dataType = data.readBits(8);
    switch (dataType) {
      case DATA_TYPE_2BP_CODE_STRING:
        byte[] clutMapTable2ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable2ToX = clutMapTable2To8 == null ? defaultMap2To8 : clutMapTable2To8;
        } else if (regionDepth == REGION_DEPTH_4_BIT) {
          clutMapTable2ToX = clutMapTable2To4 == null ? defaultMap2To4 : clutMapTable2To4;
        } else {
          clutMapTable2ToX = null;
        }
        column = paint2BitPixelCodeString(data, clutEntries, clutMapTable2ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_4BP_CODE_STRING:
        byte[] clutMapTable4ToX;
        if (regionDepth == REGION_DEPTH_8_BIT) {
          clutMapTable4ToX = clutMapTable4To8 == null ? defaultMap4To8 : clutMapTable4To8;
        } else {
          clutMapTable4ToX = null;
        }
        column = paint4BitPixelCodeString(data, clutEntries, clutMapTable4ToX, column, line,
            paint, canvas);
        data.byteAlign();
        break;
      case DATA_TYPE_8BP_CODE_STRING:
        column = paint8BitPixelCodeString(data, clutEntries, null, column, line, paint, canvas);
        break;
      case DATA_TYPE_24_TABLE_DATA:
        clutMapTable2To4 = buildClutMapTable(4, 4, data);
        break;
      case DATA_TYPE_28_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(4, 8, data);
        break;
      case DATA_TYPE_48_TABLE_DATA:
        clutMapTable2To8 = buildClutMapTable(16, 8, data);
        break;
      case DATA_TYPE_END_LINE:
        column = horizontalAddress;
        line += 2;
        break;
      default:
        // Do nothing.
        break;
    }
  }
}