Could you please describe the 2 ways that you reference?
On Dec 11, 9:40 am, Mr Pinguin <pinguint...@googlemail.com> wrote:
> Is it possible to record only
>
> VOICE_DOWNLINK Voice call downlink (Rx) audio source
> ?
>
> It doesn't work for me. it records only 2 ways.
>
> On 4 Dez., 08:00, hongki park <parkhongki.spr...@gmail.com> wrote:
>
> > ^^ what are you talking about ???
>
> > 2009/12/4 Hetal Patel <heta...@gmail.com>
>
> > > Will anybody reply ever
>
> > > Android us Useless as far as Bugs is Concerened Nobody ever Bother to
> > > rely of Patch
>
> > > This is another Exmaple of Google Which Never Comes out of BETA
>
> > > I hate Android
>
> > > On Nov 19, 1:32 pm, Hetal Patel <heta...@gmail.com> wrote:
> > > > Here is what I see.
>
> > > > In AudioRecord.h and in the MediaRecorder.AudioSource, the enum values
> > > > differ.
>
> > > > In native code (AudioRecord.h), the values are ..
> > > > 44 enum input_source {
> > > > 45 DEFAULT_INPUT =-1,
> > > > 46 MIC_INPUT = 0,
> > > > 47 VOICE_UPLINK_INPUT = 1,
> > > > 48 VOICE_DOWNLINK_INPUT = 2,
> > > > 49 VOICE_CALL_INPUT = 3,
> > > > 50 NUM_INPUT_SOURCES
> > > > 51 };
> > >http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;...
>
> > > > In Java MediaRecorder AudioSource, the values are ..
> > > > 120 public final class AudioSource {
> > > > 121 /* Do not change these values without updating their
> > > > counterparts
> > > > 122 * in include/media/mediarecorder.h!
> > > > 123 */
> > > > 124 private AudioSource() {}
> > > > 125 public static final int DEFAULT = 0;
> > > > 126 /** Microphone audio source */
> > > > 127 public static final int MIC = 1;
> > > > 128
> > > > 129 /** Voice call uplink (Tx) audio source */
> > > > 130 public static final int VOICE_UPLINK = 2;
> > > > 131
> > > > 132 /** Voice call downlink (Rx) audio source */
> > > > 133 public static final int VOICE_DOWNLINK = 3;
> > > > 134
> > > > 135 /** Voice call uplink + downlink audio source */
> > > > 136 public static final intVOICE_CALL= 4;
> > > > 137 }
>
> > > >http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;...
>
> > > > Now, if you look at AudioFlinger, any input source, whose value of
> > > > stream type is >=
> > > > NUM_INPUT_SOURCES (i.e., 4), we will get an "invalid stream type".
> > > > Because of the
> > > > mismatch of the enums, the Java API sets the value ofVOICE_CALL
> > > > stream type as 4.
> > > > So, the check fails and we get the failure.
>
> > > >http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;...
>
> > > > Fix:
> > > > Set the values of the stream types to be the same in the Java and c++
> > > > code.
>
> > > > Hope this helps.
>
> > > > On Nov 19, 1:31 pm, Hetal Patel <heta...@gmail.com> wrote:
>
> > > > > Understood, I thought that this was straightforward.
>
> > > > > When attempting to record a phone conversation on Android v1.6 (by
> > > > > using the
> > > > > "MediaRecorder.AudioSource.VOICE_CALL" audio source parameter), at
> > > > > runtime an
> > > > > exception is thrown unexpectedly. The test is performed on the HTC ADP
> > > > > with firmware 1.6.
>
> > > > > Here is the snippet of code, which causes the crash:
>
> > > > > recorder = new MediaRecorder();
> > > > > int audioSource = MediaRecorder.AudioSource.VOICE_CALL;
> > > > > recorder.setAudioSource(audioSource);
> > > > > recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
> > > > > recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
> > > > > final String filePath = Environment.getExternalStorageDirectory() + "/
> > > > > record.3gpp";
> > > > > final File file = new File(filePath);
> > > > > file.getParentFile().mkdirs();
> > > > > recorder.setOutputFile(filePath);
> > > > > recorder.prepare();
> > > > > recorder.start(); // Recording is now started
>
> > > > > At runtime, when the "recorder.start()" method is executed, an
> > > > > exception is thrown ,
> > > > > and in the DDMS log, I get:
>
> > > > > 09-30 15:35:09.812: ERROR/AudioFlinger(51): invalid stream type
> > > > > 09-30 15:35:09.812: ERROR/AudioRecord(51): AudioFlinger could not
> > > > > create record
> > > > > track, status: -22
> > > > > 09-30 15:35:09.812: ERROR/MediaRecorder(11204): start failed:
> > > > > -2147483648
>
> > > > > I hope that the problem reporting is now clear enough. Thank you for
> > > > > your time.
>
> > > > > On Nov 19, 1:31 pm, Hetal Patel <heta...@gmail.com> wrote:
>
> > > > > > I'm deseperately trying to use the "VOICE_CALL" parameter, in order
> > > to
> > > > > > record both
> > > > > > the in and out audio streams during a phone call. When using
> > > > > > "VOICE_UPLINK" or
> > > > > > "VOICE_DOWNLINK" or "MIC", it works fine, however.
>
> > > > > > At runtime, in the DDMS log, I get:
>
> > > > > > 09-30 15:35:09.812: ERROR/AudioFlinger(51): invalid stream type
> > > > > > 09-30 15:35:09.812: ERROR/AudioRecord(51): AudioFlinger could not
> > > > > > create record
> > > > > > track, status: -22
> > > > > > 09-30 15:35:09.812: ERROR/MediaRecorder(11204): start failed:
> > > > > > -2147483648
>
> > > > > > I'm running my test againt the ADP with the 1.6 firmware. Could
> > > > > > someone indicate
> > > > > > whether this problem is linked to the ADP drivers, or if it is
> > > > > > something which
> > > > > > resorts to Android v1.6, please?
>
> > > > > > Thank you for your support.
>
> > > > > > On Nov 19, 1:30 pm, Hetal Patel <heta...@gmail.com> wrote:
>
> > > > > > > In Package
>
> > > > > > > android.media
>
> > > > > > > Classes MediaRecorder.MediaSource now after API Level 4 ( Android
> > > > > > > 1.6 ) Includes
>
> > > > > > > 4VOICE_CALL Voice call uplink + downlink audio source
> > > > > > > 3 VOICE_DOWNLINK Voice call downlink (Rx) audio source
> > > > > > > 2 VOICE_UPLINK Voice call uplink (Tx) audio source
>
> > > > > > > See the Details here
>
> > >http://developer.android.com/reference/android/media/MediaRecorder.Au...
>
> > > > > > > On Nov 14, 5:04 am, Joachim Neumann <joac...@joachimneumann.com>
> > > > > > > wrote:
>
> > > > > > > > Hi Roman and Nick,
>
> > > > > > > > Looks like I have to exercise some patience with my plans to
> > > implement
> > > > > > > > a software hearing aid in a mobile phone.
>
> > > > > > > > Thanks a lot for your explanations and the helpful link to
> > > embedded.com
>
> > > > > > > > Joachim
>
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