Java源码示例:com.google.android.exoplayer.upstream.Allocator
示例1
@Override
public void buildRenderers(DemoPlayer player) {
Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
Handler mainHandler = player.getMainHandler();
// Build the video and audio renderers.
DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, null);
DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE, mainHandler, player, 0);
MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
sampleSource, MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
mainHandler, player, 50);
MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
MediaCodecSelector.DEFAULT, null, true, mainHandler, player,
AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
mainHandler.getLooper());
// Invoke the callback.
TrackRenderer[] renderers = new TrackRenderer[DemoPlayer.RENDERER_COUNT];
renderers[DemoPlayer.TYPE_VIDEO] = videoRenderer;
renderers[DemoPlayer.TYPE_AUDIO] = audioRenderer;
renderers[DemoPlayer.TYPE_TEXT] = textRenderer;
player.onRenderers(renderers, bandwidthMeter);
}
示例2
@Override
public void buildRenderers(DemoPlayer player) {
Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
Handler mainHandler = player.getMainHandler();
// Build the video and audio renderers.
DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, null);
DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE, mainHandler, player, 0);
MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
sampleSource, MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
mainHandler, player, 50);
MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
MediaCodecSelector.DEFAULT, null, true, mainHandler, player,
AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
mainHandler.getLooper());
// Invoke the callback.
TrackRenderer[] renderers = new TrackRenderer[DemoPlayer.RENDERER_COUNT];
renderers[DemoPlayer.TYPE_VIDEO] = videoRenderer;
renderers[DemoPlayer.TYPE_AUDIO] = audioRenderer;
renderers[DemoPlayer.TYPE_TEXT] = textRenderer;
player.onRenderers(renderers, bandwidthMeter);
}
示例3
@Override
public void buildRenderers(DemoPlayer player) {
Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
// Build the video and audio renderers.
DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
null);
DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
sampleSource, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, player.getMainHandler(),
player, 50);
MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
null, true, player.getMainHandler(), player, AudioCapabilities.getCapabilities(context));
TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
player.getMainHandler().getLooper());
// Invoke the callback.
TrackRenderer[] renderers = new TrackRenderer[DemoPlayer.RENDERER_COUNT];
renderers[DemoPlayer.TYPE_VIDEO] = videoRenderer;
renderers[DemoPlayer.TYPE_AUDIO] = audioRenderer;
renderers[DemoPlayer.TYPE_TEXT] = textRenderer;
player.onRenderers(renderers, bandwidthMeter);
}
示例4
@Override
public void buildRenderers(DemoPlayer player) {
Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
// Build the video and audio renderers.
DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
null);
DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
sampleSource, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, player.getMainHandler(),
player, 50);
MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
null, true, player.getMainHandler(), player, AudioCapabilities.getCapabilities(context));
TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
player.getMainHandler().getLooper());
// Invoke the callback.
TrackRenderer[] renderers = new TrackRenderer[DemoPlayer.RENDERER_COUNT];
renderers[DemoPlayer.TYPE_VIDEO] = videoRenderer;
renderers[DemoPlayer.TYPE_AUDIO] = audioRenderer;
renderers[DemoPlayer.TYPE_TEXT] = textRenderer;
player.onRenderers(renderers, bandwidthMeter);
}
示例5
@Override
protected void buildRenderers(RendererBuilderCallback callback) {
Allocator allocator = new DefaultAllocator(bufferSegmentSize);
DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource,
allocator, bufferSegmentSize * bufferSegmentCount);
MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
sampleSource, MediaCodecSelector.DEFAULT,
MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
eventHandler, eventProxy, 50);
MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
MediaCodecSelector.DEFAULT, null, true, eventHandler, eventProxy,
AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, eventProxy,
eventHandler.getLooper());
// Invoke the callback.
TrackRenderer[] renderers = new TrackRenderer[Player.RENDERER_COUNT];
renderers[Player.TYPE_VIDEO] = videoRenderer;
renderers[Player.TYPE_AUDIO] = audioRenderer;
renderers[Player.TYPE_TEXT] = textRenderer;
callback.onRenderers(renderers, bandwidthMeter);
}
示例6
@Override
public void buildRenderers(ExoplayerWrapper player) {
Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
// Build the video and audio renderers.
DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
null);
DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
sampleSource, MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT,
5000, player.getMainHandler(), player, 50);
MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
MediaCodecSelector.DEFAULT, null, true, player.getMainHandler(), player,
AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
player.getMainHandler().getLooper());
// Invoke the callback.
TrackRenderer[] renderers = new TrackRenderer[ExoplayerWrapper.RENDERER_COUNT];
renderers[ExoplayerWrapper.TYPE_VIDEO] = videoRenderer;
renderers[ExoplayerWrapper.TYPE_AUDIO] = audioRenderer;
renderers[ExoplayerWrapper.TYPE_TEXT] = textRenderer;
player.onRenderers(renderers, bandwidthMeter);
}
示例7
private SampleSource createSource() {
Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(handler,
null);
DataSource dataSource = new DefaultUriDataSource(getContext(), bandwidthMeter, "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.76 Mobile Safari/537.36");
ExtractorSampleSource sampleSource = new ExtractorSampleSource(mUri, dataSource, allocator,
BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
return sampleSource;
}
示例8
@Override
public void buildRenderers(DemoPlayer player) {
Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
// Build the video and audio renderers.
DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
null);
DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
sampleSource, MediaCodecSelector.DEFAULT,
MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
player.getMainHandler(), player, 50);
MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
MediaCodecSelector.DEFAULT, null, true, player.getMainHandler(), player,
AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
player.getMainHandler().getLooper());
// Invoke the callback.
TrackRenderer[] renderers = new TrackRenderer[DemoPlayer.RENDERER_COUNT];
renderers[DemoPlayer.TYPE_VIDEO] = videoRenderer;
renderers[DemoPlayer.TYPE_AUDIO] = audioRenderer;
renderers[DemoPlayer.TYPE_TEXT] = textRenderer;
player.onRenderers(renderers, bandwidthMeter);
}
示例9
@Override
public Allocator getAllocator() {
return allocator;
}
示例10
/**
* Constructs a new instance.
*
* @param allocator The {@link Allocator} used by the loader.
* @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
* null if delivery of events is not required.
* @param eventListener A listener of events. May be null if delivery of events is not required.
* @param lowWatermarkMs The minimum duration of media that can be buffered for the control to
* be in the draining state. If less media is buffered, then the control will transition to
* the filling state.
* @param highWatermarkMs The minimum duration of media that can be buffered for the control to
* transition from filling to draining.
* @param lowPoolLoad The minimum fraction of the buffer that must be utilized for the control
* to be in the draining state. If the utilization is lower, then the control will transition
* to the filling state.
* @param highPoolLoad The minimum fraction of the buffer that must be utilized for the control
* to transition from the loading state to the draining state.
*/
public DefaultLoadControl(Allocator allocator, Handler eventHandler, EventListener eventListener,
int lowWatermarkMs, int highWatermarkMs, float lowPoolLoad, float highPoolLoad) {
this.allocator = allocator;
this.eventHandler = eventHandler;
this.eventListener = eventListener;
this.loaders = new ArrayList<Object>();
this.loaderStates = new HashMap<Object, LoaderState>();
this.lowWatermarkUs = lowWatermarkMs * 1000L;
this.highWatermarkUs = highWatermarkMs * 1000L;
this.lowPoolLoad = lowPoolLoad;
this.highPoolLoad = highPoolLoad;
}
示例11
/**
* Gets the {@link Allocator} that loaders should use to obtain memory allocations into which
* data can be loaded.
*
* @return The {@link Allocator} to use.
*/
Allocator getAllocator();
示例12
/**
* Initializes the {@link Chunk}.
*
* @param allocator An {@link Allocator} from which the {@link Allocation} needed to contain the
* data can be obtained.
*/
public final void init(Allocator allocator) {
Assertions.checkState(dataSourceStream == null);
dataSourceStream = new DataSourceStream(dataSource, dataSpec, allocator);
}
示例13
/**
* Constructs a new instance, using the {@code DEFAULT_*} constants defined in this class.
*
* @param allocator The {@link Allocator} used by the loader.
*/
public DefaultLoadControl(Allocator allocator) {
this(allocator, null, null);
}
示例14
/**
* Constructs a new instance, using the {@code DEFAULT_*} constants defined in this class.
*
* @param allocator The {@link Allocator} used by the loader.
* @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
* null if delivery of events is not required.
* @param eventListener A listener of events. May be null if delivery of events is not required.
*/
public DefaultLoadControl(Allocator allocator, Handler eventHandler,
EventListener eventListener) {
this(allocator, eventHandler, eventListener, DEFAULT_LOW_WATERMARK_MS,
DEFAULT_HIGH_WATERMARK_MS, DEFAULT_LOW_POOL_LOAD, DEFAULT_HIGH_POOL_LOAD);
}