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Commit 896a7f5f authored by Glenn Kasten's avatar Glenn Kasten
Browse files

Clean up throws in AudioRecord and AudioTrack 

Remove dead assignments to member fields in constructor prior to throw.
Execution doesn't continue execution, so no need to initialize fields.

throw doesn't need parentheses.

Fix indentation.

Change-Id: I2bf1b8bfa2c836e53a41eea67552cba40dc6fd43
parent 474daa2b

media/java/android/media/AudioRecord.java

+14 −19
Original line number Diff line number Diff line
@@ -256,19 +256,17 @@ public class AudioRecord 
        // audio source

        if ( (audioSource < MediaRecorder.AudioSource.DEFAULT) ||

             (audioSource > MediaRecorder.getAudioSourceMax()) )  {

            throw (new IllegalArgumentException("Invalid audio source."));

        } else {

            mRecordSource = audioSource;

            throw new IllegalArgumentException("Invalid audio source.");

        }

        mRecordSource = audioSource;



        //--------------

        // sample rate

        if ( (sampleRateInHz < 4000) || (sampleRateInHz > 48000) ) {

            throw (new IllegalArgumentException(sampleRateInHz

                    + "Hz is not a supported sample rate."));

        } else {

            mSampleRate = sampleRateInHz;

            throw new IllegalArgumentException(sampleRateInHz

                    + "Hz is not a supported sample rate.");

        }

        mSampleRate = sampleRateInHz;



        //--------------

        // channel config
@@ -289,9 +287,7 @@ public class AudioRecord 
            mChannelMask = channelConfig;

            break;

        default:

            mChannelCount = 0;

            mChannelMask = AudioFormat.CHANNEL_INVALID;

            throw (new IllegalArgumentException("Unsupported channel configuration."));

            throw new IllegalArgumentException("Unsupported channel configuration.");

        }



        //--------------
@@ -305,9 +301,8 @@ public class AudioRecord 
            mAudioFormat = audioFormat;

            break;

        default:

            mAudioFormat = AudioFormat.ENCODING_INVALID;

        throw (new IllegalArgumentException("Unsupported sample encoding."

                + " Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT."));

            throw new IllegalArgumentException("Unsupported sample encoding."

                    + " Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT.");

        }

    }
@@ -324,7 +319,7 @@ public class AudioRecord 
        int frameSizeInBytes = mChannelCount

            * (mAudioFormat == AudioFormat.ENCODING_PCM_8BIT ? 1 : 2);

        if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) {

            throw (new IllegalArgumentException("Invalid audio buffer size."));

            throw new IllegalArgumentException("Invalid audio buffer size.");

        }



        mNativeBufferSizeInBytes = audioBufferSize;
@@ -509,8 +504,8 @@ public class AudioRecord 
    public void startRecording()

    throws IllegalStateException {

        if (mState != STATE_INITIALIZED) {

            throw(new IllegalStateException("startRecording() called on an "

                    +"uninitialized AudioRecord."));

            throw new IllegalStateException("startRecording() called on an "

                    + "uninitialized AudioRecord.");

        }



        // start recording
@@ -531,8 +526,8 @@ public class AudioRecord 
    public void startRecording(MediaSyncEvent syncEvent)

    throws IllegalStateException {

        if (mState != STATE_INITIALIZED) {

            throw(new IllegalStateException("startRecording() called on an "

                    +"uninitialized AudioRecord."));

            throw new IllegalStateException("startRecording() called on an "

                    + "uninitialized AudioRecord.");

        }



        // start recording
@@ -550,7 +545,7 @@ public class AudioRecord 
    public void stop()

    throws IllegalStateException {

        if (mState != STATE_INITIALIZED) {

            throw(new IllegalStateException("stop() called on an uninitialized AudioRecord."));

            throw new IllegalStateException("stop() called on an uninitialized AudioRecord.");

        }



        // stop recording

media/java/android/media/AudioTrack.java

+5 −13
Original line number Diff line number Diff line
@@ -371,18 +371,16 @@ public class AudioTrack 
           && (streamType != AudioManager.STREAM_BLUETOOTH_SCO)

           && (streamType != AudioManager.STREAM_DTMF)) {

            throw new IllegalArgumentException("Invalid stream type.");

        } else {

            mStreamType = streamType;

        }

        mStreamType = streamType;



        //--------------

        // sample rate, note these values are subject to change

        if ( (sampleRateInHz < 4000) || (sampleRateInHz > 48000) ) {

            throw new IllegalArgumentException(sampleRateInHz

                    + "Hz is not a supported sample rate.");

        } else {

            mSampleRate = sampleRateInHz;

        }

        mSampleRate = sampleRateInHz;



        //--------------

        // channel config
@@ -403,15 +401,11 @@ public class AudioTrack 
        default:

            if (!isMultichannelConfigSupported(channelConfig)) {

                // input channel configuration features unsupported channels

                mChannelCount = 0;

                mChannels = AudioFormat.CHANNEL_INVALID;

                mChannelConfiguration = AudioFormat.CHANNEL_INVALID;

                throw new IllegalArgumentException("Unsupported channel configuration.");

            } else {

            }

            mChannels = channelConfig;

            mChannelCount = Integer.bitCount(channelConfig);

        }

        }



        //--------------

        // audio format
@@ -424,7 +418,6 @@ public class AudioTrack 
            mAudioFormat = audioFormat;

            break;

        default:

            mAudioFormat = AudioFormat.ENCODING_INVALID;

            throw new IllegalArgumentException("Unsupported sample encoding."

                + " Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT.");

        }
@@ -433,9 +426,8 @@ public class AudioTrack 
        // audio load mode

        if ( (mode != MODE_STREAM) && (mode != MODE_STATIC) ) {

            throw new IllegalArgumentException("Invalid mode.");

        } else {

            mDataLoadMode = mode;

        }

        mDataLoadMode = mode;

    }



    /**