ctor public AudioFormat.Builder();
ctor public AudioFormat.Builder(android.media.AudioFormat);
method public android.media.AudioFormat build();
- method public android.media.AudioFormat.Builder setChannelIndexMask(int) throws java.lang.IllegalArgumentException;
- method public android.media.AudioFormat.Builder setChannelMask(int) throws java.lang.IllegalArgumentException;
+ method public android.media.AudioFormat.Builder setChannelIndexMask(int);
+ method public android.media.AudioFormat.Builder setChannelMask(int);
method public android.media.AudioFormat.Builder setEncoding(int) throws java.lang.IllegalArgumentException;
method public android.media.AudioFormat.Builder setSampleRate(int) throws java.lang.IllegalArgumentException;
}
method public int getAudioFormat();
method public int getAudioSessionId();
method public int getAudioSource();
+ method public int getBufferSizeInFrames();
method public int getChannelConfiguration();
method public int getChannelCount();
method public android.media.AudioFormat getFormat();
method public static int getMinBufferSize(int, int, int);
- method public int getNativeFrameCount() throws java.lang.IllegalStateException;
method public int getNotificationMarkerPosition();
method public int getPositionNotificationPeriod();
method public android.media.AudioDeviceInfo getPreferredDevice();
method public void flush();
method public int getAudioFormat();
method public int getAudioSessionId();
+ method public int getBufferSizeInFrames();
method public int getChannelConfiguration();
method public int getChannelCount();
method public android.media.AudioFormat getFormat();
method public static float getMaxVolume();
method public static int getMinBufferSize(int, int, int);
method public static float getMinVolume();
- method public int getNativeFrameCount() throws java.lang.IllegalStateException;
+ method protected deprecated int getNativeFrameCount();
method public static int getNativeOutputSampleRate(int);
method public int getNotificationMarkerPosition();
method public int getPlayState();
ctor public AudioFormat.Builder();
ctor public AudioFormat.Builder(android.media.AudioFormat);
method public android.media.AudioFormat build();
- method public android.media.AudioFormat.Builder setChannelIndexMask(int) throws java.lang.IllegalArgumentException;
- method public android.media.AudioFormat.Builder setChannelMask(int) throws java.lang.IllegalArgumentException;
+ method public android.media.AudioFormat.Builder setChannelIndexMask(int);
+ method public android.media.AudioFormat.Builder setChannelMask(int);
method public android.media.AudioFormat.Builder setEncoding(int) throws java.lang.IllegalArgumentException;
method public android.media.AudioFormat.Builder setSampleRate(int) throws java.lang.IllegalArgumentException;
}
method public int getAudioFormat();
method public int getAudioSessionId();
method public int getAudioSource();
+ method public int getBufferSizeInFrames();
method public int getChannelConfiguration();
method public int getChannelCount();
method public android.media.AudioFormat getFormat();
method public static int getMinBufferSize(int, int, int);
- method public int getNativeFrameCount() throws java.lang.IllegalStateException;
method public int getNotificationMarkerPosition();
method public int getPositionNotificationPeriod();
method public android.media.AudioDeviceInfo getPreferredDevice();
method public void flush();
method public int getAudioFormat();
method public int getAudioSessionId();
+ method public int getBufferSizeInFrames();
method public int getChannelConfiguration();
method public int getChannelCount();
method public android.media.AudioFormat getFormat();
method public static float getMaxVolume();
method public static int getMinBufferSize(int, int, int);
method public static float getMinVolume();
- method public int getNativeFrameCount() throws java.lang.IllegalStateException;
+ method protected deprecated int getNativeFrameCount();
method public static int getNativeOutputSampleRate(int);
method public int getNotificationMarkerPosition();
method public int getPlayState();
}
// ----------------------------------------------------------------------------
-static jint android_media_AudioRecord_get_native_frame_count(JNIEnv *env, jobject thiz) {
+static jint android_media_AudioRecord_get_buffer_size_in_frames(JNIEnv *env, jobject thiz) {
sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz);
if (lpRecorder == NULL) {
jniThrowException(env, "java/lang/IllegalStateException",
- "Unable to retrieve AudioRecord pointer for getNativeFrameCount()");
+ "Unable to retrieve AudioRecord pointer for frameCount()");
return (jint)AUDIO_JAVA_ERROR;
}
return lpRecorder->frameCount();
(void *)android_media_AudioRecord_readInArray<jfloatArray>},
{"native_read_in_direct_buffer","(Ljava/lang/Object;IZ)I",
(void *)android_media_AudioRecord_readInDirectBuffer},
- {"native_get_native_frame_count",
- "()I", (void *)android_media_AudioRecord_get_native_frame_count},
+ {"native_get_buffer_size_in_frames",
+ "()I", (void *)android_media_AudioRecord_get_buffer_size_in_frames},
{"native_set_marker_pos","(I)I", (void *)android_media_AudioRecord_set_marker_pos},
{"native_get_marker_pos","()I", (void *)android_media_AudioRecord_get_marker_pos},
{"native_set_pos_update_period",
* if both channel index mask and channel position mask
* are specified but do not have the same channel count.
*/
- public @NonNull Builder setChannelMask(int channelMask) throws IllegalArgumentException {
+ public @NonNull Builder setChannelMask(int channelMask) {
if (channelMask == 0) {
throw new IllegalArgumentException("Invalid zero channel mask");
} else if (/* channelMask != 0 && */ mChannelIndexMask != 0 &&
* if both channel index mask and channel position mask
* are specified but do not have the same channel count.
*/
- public @NonNull Builder setChannelIndexMask(int channelIndexMask)
- throws IllegalArgumentException {
+ public @NonNull Builder setChannelIndexMask(int channelIndexMask) {
if (channelIndexMask == 0) {
throw new IllegalArgumentException("Invalid zero channel index mask");
} else if (/* channelIndexMask != 0 && */ mChannelMask != 0 &&
* than this size. See {@link #getMinBufferSize(int, int, int)} to determine the minimum
* required buffer size for the successful creation of an AudioRecord instance.
* Since bufferSizeInBytes may be internally increased to accommodate the source
- * requirements, use {@link #getNativeFrameCount()} to determine the actual buffer size
+ * requirements, use {@link #getBufferSizeInFrames()} to determine the actual buffer size
* in frames.
* @param bufferSizeInBytes a value strictly greater than 0
* @return the same Builder instance.
}
/**
- * Returns the "native frame count" of the <code>AudioRecord</code> buffer.
+ * Returns the frame count of the native <code>AudioRecord</code> buffer.
* This is greater than or equal to the bufferSizeInBytes converted to frame units
* specified in the <code>AudioRecord</code> constructor or Builder.
* The native frame count may be enlarged to accommodate the requirements of the
* @return current size in frames of the <code>AudioRecord</code> buffer.
* @throws IllegalStateException
*/
- public int getNativeFrameCount() throws IllegalStateException {
- return native_get_native_frame_count();
+ public int getBufferSizeInFrames() {
+ return native_get_buffer_size_in_frames();
}
/**
private native final int native_read_in_direct_buffer(Object jBuffer,
int sizeInBytes, boolean isBlocking);
- private native final int native_get_native_frame_count();
+ private native final int native_get_buffer_size_in_frames();
private native final int native_set_marker_pos(int marker);
private native final int native_get_marker_pos();
/**
* Sizes of the native audio buffer.
* These values are set during construction and can be stale.
- * To obtain the current native audio buffer frame count use {@link #getNativeFrameCount()}.
+ * To obtain the current native audio buffer frame count use {@link #getBufferSizeInFrames()}.
*/
private int mNativeBufferSizeInBytes = 0;
private int mNativeBufferSizeInFrames = 0;
* If <code>bufferSizeInBytes</code> is less than the
* minimum buffer size for the output sink, it is automatically increased to the minimum
* buffer size.
- * The method {@link #getNativeFrameCount()} returns the
+ * The method {@link #getBufferSizeInFrames()} returns the
* actual size in frames of the native buffer created, which
* determines the frequency to write
* to the streaming <code>AudioTrack</code> to avoid underrun.
}
/**
- * Returns the "native frame count" of the <code>AudioTrack</code> buffer.
+ * Returns the frame count of the native <code>AudioTrack</code> buffer.
* <p> If the track's creation mode is {@link #MODE_STATIC},
* it is equal to the specified bufferSizeInBytes on construction, converted to frame units.
* A static track's native frame count will not change.
* the target output sink, and
* if the track is subsequently routed to a different output sink, the native
* frame count may enlarge to accommodate.
- * See also {@link AudioManager#getProperty(String)} for key
+ * <p> If the <code>AudioTrack</code> encoding indicates compressed data,
+ * e.g. {@link AudioFormat#ENCODING_AC3}, then the frame count returned is
+ * the size of the native <code>AudioTrack</code> buffer in bytes.
+ * <p> See also {@link AudioManager#getProperty(String)} for key
* {@link AudioManager#PROPERTY_OUTPUT_FRAMES_PER_BUFFER}.
- * @return current size in frames of the audio track buffer.
+ * @return current size in frames of the <code>AudioTrack</code> buffer.
* @throws IllegalStateException
*/
- public int getNativeFrameCount() throws IllegalStateException {
+ public int getBufferSizeInFrames() {
+ return native_get_native_frame_count();
+ }
+
+ /**
+ * Returns the frame count of the native <code>AudioTrack</code> buffer.
+ * @return current size in frames of the <code>AudioTrack</code> buffer.
+ * @throws IllegalStateException
+ * @deprecated Use the identical public method {@link #getBufferSizeInFrames()} instead.
+ */
+ @Deprecated
+ protected int getNativeFrameCount() {
return native_get_native_frame_count();
}
* The valid sample rate range is from 1 Hz to twice the value returned by
* {@link #getNativeOutputSampleRate(int)}.
* Use {@link #setPlaybackParams(PlaybackParams)} for speed control.
+ * <p> This method may also be used to repurpose an existing <code>AudioTrack</code>
+ * for playback of content of differing sample rate,
+ * but with identical encoding and channel mask.
* @param sampleRateInHz the sample rate expressed in Hz
* @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE},
* {@link #ERROR_INVALID_OPERATION}
* <p>
* If the mode is {@link #MODE_STREAM}, you can optionally prime the data path prior to
* calling play(), by writing up to <code>bufferSizeInBytes</code> (from constructor).
- * If you don’t call write() first, or if you call write() but with an insufficient amount of
+ * If you don't call write() first, or if you call write() but with an insufficient amount of
* data, then the track will be in underrun state at play(). In this case,
* playback will not actually start playing until the data path is filled to a
* device-specific minimum level. This requirement for the path to be filled
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