commit c310dcbed66026fa548f9ec0821ec15f8c6a080d
author Eric Laurent <elaurent@google.com> Thu Jun 16 21:30:45 2011 -0700
committer Eric Laurent <elaurent@google.com> Fri Jun 17 14:19:55 2011 -0700
tree 4b1ac3b8ee8fbc3824533bf76f939e9d06ac5554
parent b86b030acdaeb1d823ee3c67609516160975824e

Added audio_bytes_per_sample() helper function

Change-Id: Ibfcd75c4c241a53d5f052c25ada091904991048a

media/libmedia/AudioRecord.cpp

diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index a41d7ab..03518bf 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -70,7 +70,7 @@
     size <<= 1;
 
     if (audio_is_linear_pcm(format)) {
-        size /= channelCount * (format == AUDIO_FORMAT_PCM_16_BIT ? 2 : 1);
+        size /= channelCount * audio_bytes_per_sample(format);
     }
 
     *frameCount = size;
@@ -258,7 +258,7 @@
 int AudioRecord::frameSize() const
 {
     if (audio_is_linear_pcm(mFormat)) {
-        return channelCount()*((format() == AUDIO_FORMAT_PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t));
+        return channelCount()*audio_bytes_per_sample(mFormat);
     } else {
         return sizeof(uint8_t);
     }

media/libmedia/AudioTrack.cpp

diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 37fe182..5172809 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -298,7 +298,7 @@
 int AudioTrack::frameSize() const
 {
     if (audio_is_linear_pcm(mFormat)) {
-        return channelCount()*((format() == AUDIO_FORMAT_PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t));
+        return channelCount()*audio_bytes_per_sample(mFormat);
     } else {
         return sizeof(uint8_t);
     }

services/audioflinger/AudioFlinger.cpp

diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 44df5b5..f716e63 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -2936,7 +2936,7 @@
         mStreamType = streamType;
         // NOTE: audio_track_cblk_t::frameSize for 8 bit PCM data is based on a sample size of
         // 16 bit because data is converted to 16 bit before being stored in buffer by AudioTrack
-        mCblk->frameSize = audio_is_linear_pcm(format) ? mChannelCount * sizeof(int16_t) : sizeof(int8_t);
+        mCblk->frameSize = audio_is_linear_pcm(format) ? mChannelCount * audio_bytes_per_sample(format) : sizeof(uint8_t);
     }
 }