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android - AudioRecord - Invalid audio buffer size - Stack ...
https://stackoverflow.com/questions/15633452/audiorecord-invalid-audio-buffer-size#:~:text=AudioRecord.getMinBufferSize%20does%20not%20support%20PCM_8BIT%20%28see%20the%20AudioRecord,would%20be%20to%20switch%20to%20using%20PCM_16BIT%20encoding.
android - AudioRecord - Invalid audio buffer size - Stack ...
https://stackoverflow.com/questions/15633452/audiorecord-invalid-audio-buffer-size
1 Answer Active Oldest Votes 0 AudioRecord.getMinBufferSize does not support PCM_8BIT (see the AudioRecord source code), and will return ERROR_BAD_VALUE (-2) if you pass a PCM_8BIT format to it. One solution would be to switch to using PCM_16BIT encoding.
AudioRecord.GetMinBufferSize(Int32, ChannelIn, …
https://docs.microsoft.com/en-us/dotnet/api/android.media.audiorecord.getminbuffersize
Microsoft makes no warranties, express or implied, with respect to the information provided here. In this article. Returns the minimum buffer size required for the successful creation of an AudioRecord object, in byte units. [Android.Runtime.Register ("getMinBufferSize", " (III)I", "")] public static int GetMinBufferSize (int sampleRateInHz, Android.Media.ChannelIn channelConfig, …
AudioTrack.GetMinBufferSize(Int32, ChannelOut, …
https://docs.microsoft.com/en-us/dotnet/api/android.media.audiotrack.getminbuffersize
Microsoft makes no warranties, express or implied, with respect to the information provided here. Returns the estimated minimum buffer size required for an AudioTrack object to be created in the #MODE_STREAM mode. [Android.Runtime.Register ("getMinBufferSize", " (III)I", "")] public static int GetMinBufferSize (int sampleRateInHz, Android.Media.ChannelOut channelConfig, …
Android Audio代码分析2 - 函数getMinBufferSize - 代码先锋网
https://www.codeleading.com/article/57701200976/
switch(channelConfig) { case AudioFormat.CHANNEL_OUT_MONO: case AudioFormat.CHANNEL_CONFIGURATION_MONO: channelCount = 1; break; case AudioFormat.CHANNEL_OUT_STEREO: case AudioFormat.CHANNEL_CONFIGURATION_STEREO: channelCount = 2; break; default: loge("getMinBufferSize(): Invalid channel configuration."); …
从源码中看AudioTrack对采样率，通道数和AudioFormat的限制 - …
https://www.jianshu.com/p/963fea6e4a0d
static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) { int channelCount = 0; switch(channelConfig) { case AudioFormat.CHANNEL_OUT_MONO: case AudioFormat.CHANNEL_CONFIGURATION_MONO: channelCount = 1; break; case AudioFormat.CHANNEL_OUT_STEREO: case …
Error: _ControllerStream<dynamic>' is not a subtype of ...
https://github.com/anarchuser/mic_stream/issues/5
The only change that causes the error for getMinBufferSize(): Invalid audio format is the type change to dynamic, all else remains the same. Stream<dynamic> stream; StreamSubscription<dynamic> listener;
AudioRecord - Android SDK | Android Developers
https://www.mit.edu/afs.new/sipb/project/android/docs/reference/android/media/AudioRecord.html
New audio data can be read from this buffer in smaller chunks than this size. See getMinBufferSize(int, int, int) to determine the minimum required buffer size for the successful creation of an AudioRecord instance. Using values smaller than getMinBufferSize() will result in an initialization failure.
Android audio system: from Audiotrack to Audioflinger ...
https://www.programmerall.com/article/53291152959/
); return ERROR_BAD_VALUE; // Sample rate support: 4kHz ~ 192khz} // Call the JNI method, the function is analyzed below int size = native_get_min_buff_size(sampleRateInHz, channelCount, audioFormat); if (size <= 0) { loge("getMinBufferSize(): error querying hardware"); return ERROR; } else { return size; } } // android_media_AudioTrack.cpp // -----// returns the minimum required …
Android深入浅出之 Audio——第一部分 AudioTrack分析_流水杯舟- …
https://www.cxymm.net/article/qq_29028177/70918793
loge("getMinBufferSize(): Invalid channel configuration."); return AudioTrack.ERROR_BAD_VALUE; } //目前只支持PCM8和PCM16精度的音频 . if ((audioFormat != AudioFormat.ENCODING_PCM_16BIT) && (audioFormat != AudioFormat.ENCODING_PCM_8BIT)) { loge("getMinBufferSize(): Invalid audio format."); return AudioTrack.ERROR_BAD_VALUE; }
Android8.0 Audio系统之AudioTrack_Sherlock的博客-程序员宝宝 - …
https://www.cxybb.com/article/u013928208/81610008
CHANNEL_CONFIGURATION_STEREO: channelCount = 2; break; default: if (! isMultichannelConfigSupported (channelConfig)) { loge ("getMinBufferSize(): Invalid channel configuration." ) ; return ERROR_BAD_VALUE ; } else { channelCount = AudioFormat . channelCountFromOutChannelMask ( channelConfig ) ; } } if ( !
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