Examples with Format com.google.android.exoplayer2.Format used on opensource projects

Example 41 with Format

use of com.google.android.exoplayer2.Format in project ExoPlayer by google.

the class FlacExtractor method read.

@Override
public int read(final ExtractorInput input, PositionHolder seekPosition) throws IOException, InterruptedException {
    decoderJni.setData(input);
    if (!metadataParsed) {
        final FlacStreamInfo streamInfo;
        try {
            streamInfo = decoderJni.decodeMetadata();
            if (streamInfo == null) {
                throw new IOException("Metadata decoding failed");
            }
        } catch (IOException e) {
            decoderJni.reset(0);
            input.setRetryPosition(0, e);
            // never executes
            throw e;
        }
        metadataParsed = true;
        extractorOutput.seekMap(new SeekMap() {

            final boolean isSeekable = decoderJni.getSeekPosition(0) != -1;

            final long durationUs = streamInfo.durationUs();

            @Override
            public boolean isSeekable() {
                return isSeekable;
            }

            @Override
            public long getPosition(long timeUs) {
                return isSeekable ? decoderJni.getSeekPosition(timeUs) : 0;
            }

            @Override
            public long getDurationUs() {
                return durationUs;
            }
        });
        Format mediaFormat = Format.createAudioSampleFormat(null, MimeTypes.AUDIO_RAW, null, streamInfo.bitRate(), Format.NO_VALUE, streamInfo.channels, streamInfo.sampleRate, C.ENCODING_PCM_16BIT, null, null, 0, null);
        trackOutput.format(mediaFormat);
        outputBuffer = new ParsableByteArray(streamInfo.maxDecodedFrameSize());
        outputByteBuffer = ByteBuffer.wrap(outputBuffer.data);
    }
    outputBuffer.reset();
    long lastDecodePosition = decoderJni.getDecodePosition();
    int size;
    try {
        size = decoderJni.decodeSample(outputByteBuffer);
    } catch (IOException e) {
        if (lastDecodePosition >= 0) {
            decoderJni.reset(lastDecodePosition);
            input.setRetryPosition(lastDecodePosition, e);
        }
        throw e;
    }
    if (size <= 0) {
        return RESULT_END_OF_INPUT;
    }
    trackOutput.sampleData(outputBuffer, size);
    trackOutput.sampleMetadata(decoderJni.getLastSampleTimestamp(), C.BUFFER_FLAG_KEY_FRAME, size, 0, null);
    return decoderJni.isEndOfData() ? RESULT_END_OF_INPUT : RESULT_CONTINUE;
}

Example 42 with Format

use of com.google.android.exoplayer2.Format in project ExoPlayer by google.

the class LibvpxVideoRenderer method onInputFormatChanged.

private void onInputFormatChanged(Format newFormat) throws ExoPlaybackException {
    Format oldFormat = format;
    format = newFormat;
    boolean drmInitDataChanged = !Util.areEqual(format.drmInitData, oldFormat == null ? null : oldFormat.drmInitData);
    if (drmInitDataChanged) {
        if (format.drmInitData != null) {
            if (drmSessionManager == null) {
                throw ExoPlaybackException.createForRenderer(new IllegalStateException("Media requires a DrmSessionManager"), getIndex());
            }
            pendingDrmSession = drmSessionManager.acquireSession(Looper.myLooper(), format.drmInitData);
            if (pendingDrmSession == drmSession) {
                drmSessionManager.releaseSession(pendingDrmSession);
            }
        } else {
            pendingDrmSession = null;
        }
    }
    eventDispatcher.inputFormatChanged(format);
}

Example 43 with Format

use of com.google.android.exoplayer2.Format in project ExoPlayer by google.

the class LibvpxVideoRenderer method render.

@Override
public void render(long positionUs, long elapsedRealtimeUs) throws ExoPlaybackException {
    if (outputStreamEnded) {
        return;
    }
    if (format == null) {
        // We don't have a format yet, so try and read one.
        flagsOnlyBuffer.clear();
        int result = readSource(formatHolder, flagsOnlyBuffer, true);
        if (result == C.RESULT_FORMAT_READ) {
            onInputFormatChanged(formatHolder.format);
        } else if (result == C.RESULT_BUFFER_READ) {
            // End of stream read having not read a format.
            Assertions.checkState(flagsOnlyBuffer.isEndOfStream());
            inputStreamEnded = true;
            outputStreamEnded = true;
            return;
        } else {
            // We still don't have a format and can't make progress without one.
            return;
        }
    }
    if (isRendererAvailable()) {
        drmSession = pendingDrmSession;
        ExoMediaCrypto mediaCrypto = null;
        if (drmSession != null) {
            int drmSessionState = drmSession.getState();
            if (drmSessionState == DrmSession.STATE_ERROR) {
                throw ExoPlaybackException.createForRenderer(drmSession.getError(), getIndex());
            } else if (drmSessionState == DrmSession.STATE_OPENED || drmSessionState == DrmSession.STATE_OPENED_WITH_KEYS) {
                mediaCrypto = drmSession.getMediaCrypto();
            } else {
                // The drm session isn't open yet.
                return;
            }
        }
        try {
            if (decoder == null) {
                // If we don't have a decoder yet, we need to instantiate one.
                long codecInitializingTimestamp = SystemClock.elapsedRealtime();
                TraceUtil.beginSection("createVpxDecoder");
                decoder = new VpxDecoder(NUM_BUFFERS, NUM_BUFFERS, INITIAL_INPUT_BUFFER_SIZE, mediaCrypto);
                decoder.setOutputMode(outputMode);
                TraceUtil.endSection();
                long codecInitializedTimestamp = SystemClock.elapsedRealtime();
                eventDispatcher.decoderInitialized(decoder.getName(), codecInitializedTimestamp, codecInitializedTimestamp - codecInitializingTimestamp);
                decoderCounters.decoderInitCount++;
            }
            TraceUtil.beginSection("drainAndFeed");
            while (drainOutputBuffer(positionUs)) {
            }
            while (feedInputBuffer()) {
            }
            TraceUtil.endSection();
        } catch (VpxDecoderException e) {
            throw ExoPlaybackException.createForRenderer(e, getIndex());
        }
    } else {
        skipToKeyframeBefore(positionUs);
    }
    decoderCounters.ensureUpdated();
}

Example 44 with Format

use of com.google.android.exoplayer2.Format in project ExoPlayer by google.

the class AdaptiveTrackSelection method updateSelectedTrack.

@Override
public void updateSelectedTrack(long bufferedDurationUs) {
    long nowMs = SystemClock.elapsedRealtime();
    // Get the current and ideal selections.
    int currentSelectedIndex = selectedIndex;
    Format currentFormat = getSelectedFormat();
    int idealSelectedIndex = determineIdealSelectedIndex(nowMs);
    Format idealFormat = getFormat(idealSelectedIndex);
    // Assume we can switch to the ideal selection.
    selectedIndex = idealSelectedIndex;
    // Revert back to the current selection if conditions are not suitable for switching.
    if (currentFormat != null && !isBlacklisted(selectedIndex, nowMs)) {
        if (idealFormat.bitrate > currentFormat.bitrate && bufferedDurationUs < minDurationForQualityIncreaseUs) {
            // The ideal track is a higher quality, but we have insufficient buffer to safely switch
            // up. Defer switching up for now.
            selectedIndex = currentSelectedIndex;
        } else if (idealFormat.bitrate < currentFormat.bitrate && bufferedDurationUs >= maxDurationForQualityDecreaseUs) {
            // The ideal track is a lower quality, but we have sufficient buffer to defer switching
            // down for now.
            selectedIndex = currentSelectedIndex;
        }
    }
    // If we adapted, update the trigger.
    if (selectedIndex != currentSelectedIndex) {
        reason = C.SELECTION_REASON_ADAPTIVE;
    }
}

Example 45 with Format

use of com.google.android.exoplayer2.Format in project ExoPlayer by google.

the class AdaptiveTrackSelection method determineIdealSelectedIndex.

/**
   * Computes the ideal selected index ignoring buffer health.
   *
   * @param nowMs The current time in the timebase of {@link SystemClock#elapsedRealtime()}, or
   *     {@link Long#MIN_VALUE} to ignore blacklisting.
   */
private int determineIdealSelectedIndex(long nowMs) {
    long bitrateEstimate = bandwidthMeter.getBitrateEstimate();
    long effectiveBitrate = bitrateEstimate == BandwidthMeter.NO_ESTIMATE ? maxInitialBitrate : (long) (bitrateEstimate * bandwidthFraction);
    int lowestBitrateNonBlacklistedIndex = 0;
    for (int i = 0; i < length; i++) {
        if (nowMs == Long.MIN_VALUE || !isBlacklisted(i, nowMs)) {
            Format format = getFormat(i);
            if (format.bitrate <= effectiveBitrate) {
                return i;
            } else {
                lowestBitrateNonBlacklistedIndex = i;
            }
        }
    }
    return lowestBitrateNonBlacklistedIndex;
}