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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-02 22:54:33 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-02 22:54:33 -0800
commit99ffda877980468a9ae31e013cd10fb3645df1b0 (patch)
treedbcbf90028d4e60763724ca1bac4a63af7170973 /media/libmedia/AudioRecord.cpp
parent925a349b45d1d16eaaca6a1f4827191831271ca0 (diff)
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auto import from //depot/cupcake/@137055
Diffstat (limited to 'media/libmedia/AudioRecord.cpp')
-rw-r--r--media/libmedia/AudioRecord.cpp25
1 files changed, 22 insertions, 3 deletions
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index e833c85..7594ff0 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -128,8 +128,23 @@ status_t AudioRecord::set(
return BAD_VALUE;
}
- // TODO: Get input frame count from hardware.
- int minFrameCount = 1024*2;
+ // validate framecount
+ 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;
@@ -144,7 +159,11 @@ status_t AudioRecord::set(
// open record channel
status_t status;
sp<IAudioRecord> record = audioFlinger->openRecord(getpid(), streamType,
- sampleRate, format, channelCount, frameCount, flags, &status);
+ sampleRate, format,
+ channelCount,
+ frameCount,
+ ((uint16_t)flags) << 16,
+ &status);
if (record == 0) {
LOGE("AudioFlinger could not create record track, status: %d", status);
return status;