Loading media/java/android/media/SoundPool.java +10 −3 Original line number Diff line number Diff line Loading @@ -36,13 +36,20 @@ import java.util.concurrent.atomic.AtomicReference; /** * The SoundPool class manages and plays audio resources for applications. * * <p>A SoundPool is a collection of samples that can be loaded into memory * <p>A SoundPool is a collection of sound samples that can be loaded into memory * from a resource inside the APK or from a file in the file system. The * SoundPool library uses the MediaPlayer service to decode the audio * into a raw 16-bit PCM mono or stereo stream. This allows applications * SoundPool library uses the MediaCodec service to decode the audio * into raw 16-bit PCM. This allows applications * to ship with compressed streams without having to suffer the CPU load * and latency of decompressing during playback.</p> * * <p>Soundpool sounds are expected to be short as they are * predecoded into memory. Each decoded sound is internally limited to one * megabyte storage, which represents approximately 5.6 seconds at 44.1kHz stereo * (the duration is proportionally longer at lower sample rates or * a channel mask of mono). A decoded audio sound will be truncated if it would * exceed the per-sound one megabyte storage space.</p> * * <p>In addition to low-latency playback, SoundPool can also manage the number * of audio streams being rendered at once. When the SoundPool object is * constructed, the maxStreams parameter sets the maximum number of streams Loading Loading
media/java/android/media/SoundPool.java +10 −3 Original line number Diff line number Diff line Loading @@ -36,13 +36,20 @@ import java.util.concurrent.atomic.AtomicReference; /** * The SoundPool class manages and plays audio resources for applications. * * <p>A SoundPool is a collection of samples that can be loaded into memory * <p>A SoundPool is a collection of sound samples that can be loaded into memory * from a resource inside the APK or from a file in the file system. The * SoundPool library uses the MediaPlayer service to decode the audio * into a raw 16-bit PCM mono or stereo stream. This allows applications * SoundPool library uses the MediaCodec service to decode the audio * into raw 16-bit PCM. This allows applications * to ship with compressed streams without having to suffer the CPU load * and latency of decompressing during playback.</p> * * <p>Soundpool sounds are expected to be short as they are * predecoded into memory. Each decoded sound is internally limited to one * megabyte storage, which represents approximately 5.6 seconds at 44.1kHz stereo * (the duration is proportionally longer at lower sample rates or * a channel mask of mono). A decoded audio sound will be truncated if it would * exceed the per-sound one megabyte storage space.</p> * * <p>In addition to low-latency playback, SoundPool can also manage the number * of audio streams being rendered at once. When the SoundPool object is * constructed, the maxStreams parameter sets the maximum number of streams Loading
