From 41d3f579d2c166984958263533284209b90c87d5 Mon Sep 17 00:00:00 2001
From: Marco Nelissen <marcone@google.com>
Date: Fri, 6 Feb 2015 12:21:32 -0800
Subject: Fix GSM WAV playback

Bug:19289381
Change-Id: If7bbf1ecf1cb8796188e61bc2c42f8a099510424
---
 media/libstagefright/ACodec.cpp       | 17 +++++++++++++++++
 media/libstagefright/WAVExtractor.cpp |  8 ++++----
 2 files changed, 21 insertions(+), 4 deletions(-)

(limited to 'media')

diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index 82a228c..e015f1a 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -3805,6 +3805,23 @@ status_t ACodec::getPortFormat(OMX_U32 portIndex, sp<AMessage> &notify) {
                     break;
                 }
 
+                case OMX_AUDIO_CodingGSMFR:
+                {
+                    OMX_AUDIO_PARAM_MP3TYPE params;
+                    InitOMXParams(&params);
+                    params.nPortIndex = portIndex;
+
+                    CHECK_EQ(mOMX->getParameter(
+                                mNode, OMX_IndexParamAudioPcm,
+                                &params, sizeof(params)),
+                             (status_t)OK);
+
+                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_MSGSM);
+                    notify->setInt32("channel-count", params.nChannels);
+                    notify->setInt32("sample-rate", params.nSampleRate);
+                    break;
+                }
+
                 default:
                     ALOGE("UNKNOWN AUDIO CODING: %d\n", audioDef->eEncoding);
                     TRESPASS();
diff --git a/media/libstagefright/WAVExtractor.cpp b/media/libstagefright/WAVExtractor.cpp
index a4a651d..335ac84 100644
--- a/media/libstagefright/WAVExtractor.cpp
+++ b/media/libstagefright/WAVExtractor.cpp
@@ -439,10 +439,6 @@ status_t WAVSource::read(
         maxBytesToRead = maxBytesAvailable;
     }
 
-    // read only integral amounts of audio unit frames.
-    const size_t inputUnitFrameSize = mNumChannels * mBitsPerSample / 8;
-    maxBytesToRead -= maxBytesToRead % inputUnitFrameSize;
-
     if (mWaveFormat == WAVE_FORMAT_MSGSM) {
         // Microsoft packs 2 frames into 65 bytes, rather than using separate 33-byte frames,
         // so read multiples of 65, and use smaller buffers to account for ~10:1 expansion ratio
@@ -450,6 +446,10 @@ status_t WAVSource::read(
             maxBytesToRead = 1024;
         }
         maxBytesToRead = (maxBytesToRead / 65) * 65;
+    } else {
+        // read only integral amounts of audio unit frames.
+        const size_t inputUnitFrameSize = mNumChannels * mBitsPerSample / 8;
+        maxBytesToRead -= maxBytesToRead % inputUnitFrameSize;
     }
 
     ssize_t n = mDataSource->readAt(
-- 
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