Examples with DataSpec com.google.android.exoplayer2.upstream.DataSpec used on opensource projects

Example 51 with DataSpec

use of com.google.android.exoplayer2.upstream.DataSpec in project ExoPlayer by google.

the class DataSourceContractTest method getUri_resourceNotFound_returnsNullIfNotOpened.

@Test
public void getUri_resourceNotFound_returnsNullIfNotOpened() throws Exception {
    DataSource dataSource = createDataSource();
    assertThat(dataSource.getUri()).isNull();
    assertThrows(IOException.class, () -> dataSource.open(new DataSpec(getNotFoundUri())));
    dataSource.close();
    assertThat(dataSource.getUri()).isNull();
}

Example 52 with DataSpec

use of com.google.android.exoplayer2.upstream.DataSpec in project ExoPlayer by google.

the class DashUtil method loadInitializationData.

private static void loadInitializationData(DataSource dataSource, Representation representation, int baseUrlIndex, ChunkExtractor chunkExtractor, RangedUri requestUri) throws IOException {
    DataSpec dataSpec = DashUtil.buildDataSpec(representation, representation.baseUrls.get(baseUrlIndex).url, requestUri, /* flags= */
    0);
    InitializationChunk initializationChunk = new InitializationChunk(dataSource, dataSpec, representation.format, C.SELECTION_REASON_UNKNOWN, null, /* trackSelectionData */
    chunkExtractor);
    initializationChunk.load();
}

Example 53 with DataSpec

use of com.google.android.exoplayer2.upstream.DataSpec in project ExoPlayer by google.

the class DefaultDashChunkSource method newMediaChunk.

protected Chunk newMediaChunk(RepresentationHolder representationHolder, DataSource dataSource, @C.TrackType int trackType, Format trackFormat, @C.SelectionReason int trackSelectionReason, Object trackSelectionData, long firstSegmentNum, int maxSegmentCount, long seekTimeUs, long nowPeriodTimeUs) {
    Representation representation = representationHolder.representation;
    long startTimeUs = representationHolder.getSegmentStartTimeUs(firstSegmentNum);
    RangedUri segmentUri = representationHolder.getSegmentUrl(firstSegmentNum);
    if (representationHolder.chunkExtractor == null) {
        long endTimeUs = representationHolder.getSegmentEndTimeUs(firstSegmentNum);
        int flags = representationHolder.isSegmentAvailableAtFullNetworkSpeed(firstSegmentNum, nowPeriodTimeUs) ? 0 : DataSpec.FLAG_MIGHT_NOT_USE_FULL_NETWORK_SPEED;
        DataSpec dataSpec = DashUtil.buildDataSpec(representation, representationHolder.selectedBaseUrl.url, segmentUri, flags);
        return new SingleSampleMediaChunk(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs, endTimeUs, firstSegmentNum, trackType, trackFormat);
    } else {
        int segmentCount = 1;
        for (int i = 1; i < maxSegmentCount; i++) {
            RangedUri nextSegmentUri = representationHolder.getSegmentUrl(firstSegmentNum + i);
            @Nullable RangedUri mergedSegmentUri = segmentUri.attemptMerge(nextSegmentUri, representationHolder.selectedBaseUrl.url);
            if (mergedSegmentUri == null) {
                // Unable to merge segment fetches because the URIs do not merge.
                break;
            }
            segmentUri = mergedSegmentUri;
            segmentCount++;
        }
        long segmentNum = firstSegmentNum + segmentCount - 1;
        long endTimeUs = representationHolder.getSegmentEndTimeUs(segmentNum);
        long periodDurationUs = representationHolder.periodDurationUs;
        long clippedEndTimeUs = periodDurationUs != C.TIME_UNSET && periodDurationUs <= endTimeUs ? periodDurationUs : C.TIME_UNSET;
        int flags = representationHolder.isSegmentAvailableAtFullNetworkSpeed(segmentNum, nowPeriodTimeUs) ? 0 : DataSpec.FLAG_MIGHT_NOT_USE_FULL_NETWORK_SPEED;
        DataSpec dataSpec = DashUtil.buildDataSpec(representation, representationHolder.selectedBaseUrl.url, segmentUri, flags);
        long sampleOffsetUs = -representation.presentationTimeOffsetUs;
        return new ContainerMediaChunk(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs, endTimeUs, seekTimeUs, clippedEndTimeUs, firstSegmentNum, segmentCount, sampleOffsetUs, representationHolder.chunkExtractor);
    }
}

Example 54 with DataSpec

use of com.google.android.exoplayer2.upstream.DataSpec in project ExoPlayer by google.

the class DefaultDashChunkSource method newInitializationChunk.

protected Chunk newInitializationChunk(RepresentationHolder representationHolder, DataSource dataSource, Format trackFormat, @C.SelectionReason int trackSelectionReason, @Nullable Object trackSelectionData, @Nullable RangedUri initializationUri, @Nullable RangedUri indexUri) {
    Representation representation = representationHolder.representation;
    @Nullable RangedUri requestUri;
    if (initializationUri != null) {
        // It's common for initialization and index data to be stored adjacently. Attempt to merge
        // the two requests together to request both at once.
        requestUri = initializationUri.attemptMerge(indexUri, representationHolder.selectedBaseUrl.url);
        if (requestUri == null) {
            requestUri = initializationUri;
        }
    } else {
        requestUri = indexUri;
    }
    DataSpec dataSpec = DashUtil.buildDataSpec(representation, representationHolder.selectedBaseUrl.url, requestUri, /* flags= */
    0);
    return new InitializationChunk(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, representationHolder.chunkExtractor);
}

Example 55 with DataSpec

use of com.google.android.exoplayer2.upstream.DataSpec in project ExoPlayer by google.

the class Aes128DataSource method open.

@Override
public final long open(DataSpec dataSpec) throws IOException {
    Cipher cipher;
    try {
        cipher = getCipherInstance();
    } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
        throw new RuntimeException(e);
    }
    Key cipherKey = new SecretKeySpec(encryptionKey, "AES");
    AlgorithmParameterSpec cipherIV = new IvParameterSpec(encryptionIv);
    try {
        cipher.init(Cipher.DECRYPT_MODE, cipherKey, cipherIV);
    } catch (InvalidKeyException | InvalidAlgorithmParameterException e) {
        throw new RuntimeException(e);
    }
    DataSourceInputStream inputStream = new DataSourceInputStream(upstream, dataSpec);
    cipherInputStream = new CipherInputStream(inputStream, cipher);
    inputStream.open();
    return C.LENGTH_UNSET;
}