diff options
author | The Android Open Source Project <initial-contribution@android.com> | 2009-02-10 15:44:00 -0800 |
---|---|---|
committer | The Android Open Source Project <initial-contribution@android.com> | 2009-02-10 15:44:00 -0800 |
commit | d24b8183b93e781080b2c16c487e60d51c12da31 (patch) | |
tree | fbb89154858984eb8e41556da7e9433040d55cd4 /media/libmedia/AudioRecord.cpp | |
parent | f1e484acb594a726fb57ad0ae4cfe902c7f35858 (diff) | |
download | frameworks_base-d24b8183b93e781080b2c16c487e60d51c12da31.zip frameworks_base-d24b8183b93e781080b2c16c487e60d51c12da31.tar.gz frameworks_base-d24b8183b93e781080b2c16c487e60d51c12da31.tar.bz2 |
auto import from //branches/cupcake/...@130745
Diffstat (limited to 'media/libmedia/AudioRecord.cpp')
-rw-r--r-- | media/libmedia/AudioRecord.cpp | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp index 3d39181..a987b92 100644 --- a/media/libmedia/AudioRecord.cpp +++ b/media/libmedia/AudioRecord.cpp @@ -128,8 +128,22 @@ status_t AudioRecord::set( return BAD_VALUE; } - // TODO: Get input frame count from hardware. - int minFrameCount = 1024*2; + size_t inputBuffSizeInBytes = -1; + if (AudioSystem::getInputBufferSize(sampleRate, format, channelCount, &inputBuffSizeInBytes) + != NO_ERROR) { + LOGE("AudioSystem could not query the input buffer size."); + return NO_INIT; + } + if (inputBuffSizeInBytes == 0) { + LOGE("Recording parameters are not supported: sampleRate %d, channelCount %d, format %d", + sampleRate, channelCount, format); + return BAD_VALUE; + } + int frameSizeInBytes = channelCount * (format == AudioSystem::PCM_16_BIT ? 2 : 1); + + // We use 2* size of input buffer for ping pong use of record buffer. + int minFrameCount = 2 * inputBuffSizeInBytes / frameSizeInBytes; + LOGV("AudioRecord::set() minFrameCount = %d", minFrameCount); if (frameCount == 0) { frameCount = minFrameCount; |