How to use

isKeyFrame

method

in

com.google.android.exoplayer2.decoder.DecoderInputBuffer

/**
 * Asserts {@link SampleQueue#read} returns {@link C#RESULT_BUFFER_READ} and that the buffer is
 * filled with the specified sample data.
 *
 * @param timeUs The expected buffer timestamp.
 * @param isKeyframe The expected keyframe flag.
 * @param sampleData An array containing the expected sample data.
 * @param offset The offset in {@code sampleData} of the expected sample data.
 * @param length The length of the expected sample data.
 */
private void assertReadSample(
  long timeUs, boolean isKeyframe, byte[] sampleData, int offset, int length) {
 clearFormatHolderAndInputBuffer();
 int result = sampleQueue.read(formatHolder, inputBuffer, false, false, 0);
 assertThat(result).isEqualTo(RESULT_BUFFER_READ);
 // formatHolder should not be populated.
 assertThat(formatHolder.format).isNull();
 // inputBuffer should be populated.
 assertThat(inputBuffer.timeUs).isEqualTo(timeUs);
 assertThat(inputBuffer.isKeyFrame()).isEqualTo(isKeyframe);
 assertThat(inputBuffer.isDecodeOnly()).isFalse();
 assertThat(inputBuffer.isEncrypted()).isFalse();
 inputBuffer.flip();
 assertThat(inputBuffer.data.limit()).isEqualTo(length);
 byte[] readData = new byte[length];
 inputBuffer.data.get(readData);
 assertThat(readData).isEqualTo(copyOfRange(sampleData, offset, offset + length));
}

if (waitingForFirstSyncFrame && !buffer.isKeyFrame()) {
 buffer.clear();
 if (codecReconfigurationState == RECONFIGURATION_STATE_QUEUE_PENDING) {