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Merge "Add some javadoc to AudioRecord, plus updates based on code review comments."

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This commit is contained in:
Dave Sparks
2010-07-15 12:35:52 -07:00
committed by Android (Google) Code Review
parent 9db328463a 635fefec06
commit aaa7a0ce47
2 changed files with 9 additions and 5 deletions
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4
media/java/android/media/AudioFormat.java
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@@ -31,9 +31,9 @@ public class AudioFormat {
public static final int ENCODING_INVALID = 0;
/** Default audio data format */
public static final int ENCODING_DEFAULT = 1;
/** Audio data format: PCM 16 bit per sample */
/** Audio data format: PCM 16 bit per sample. Guaranteed to be supported by devices. */
public static final int ENCODING_PCM_16BIT = 2; // accessed by native code
/** Audio data format: PCM 8 bit per sample */
/** Audio data format: PCM 8 bit per sample. Not guaranteed to be supported by devices. */
public static final int ENCODING_PCM_8BIT = 3; // accessed by native code
/** Invalid audio channel configuration */

10
media/java/android/media/AudioRecord.java
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@@ -194,11 +194,13 @@ public class AudioRecord
* Class constructor.
* @param audioSource the recording source. See {@link MediaRecorder.AudioSource} for
* recording source definitions.
* @param sampleRateInHz the sample rate expressed in Hertz. Examples of rates are (but
* not limited to) 44100, 22050 and 11025.
* @param sampleRateInHz the sample rate expressed in Hertz. 44100Hz is currently the only
* rate that is guaranteed to work on all devices, but other rates such as 22050,
* 16000, and 11025 may work on some devices.
* @param channelConfig describes the configuration of the audio channels.
* See {@link AudioFormat#CHANNEL_IN_MONO} and
* {@link AudioFormat#CHANNEL_IN_STEREO}
* {@link AudioFormat#CHANNEL_IN_STEREO}. {@link AudioFormat#CHANNEL_IN_MONO} is guaranteed
* to work on all devices.
* @param audioFormat the format in which the audio data is represented.
* See {@link AudioFormat#ENCODING_PCM_16BIT} and
* {@link AudioFormat#ENCODING_PCM_8BIT}
@@ -444,6 +446,8 @@ public class AudioRecord
* or {@link #ERROR} if the implementation was unable to query the hardware for its
* output properties,
* or the minimum buffer size expressed in bytes.
* @see #AudioRecord(int, int, int, int, int) for more information on valid
* configuration values.
*/
static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) {
int channelCount = 0;