IAudioFlinger::openRecord now suggests notificationFrames

Change-Id: I08885cc381d03c522a23289e74f0e1ed46563863

2 files changed, 13 insertions, 0 deletions

diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index f865d38..3ee5809 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -495,6 +495,10 @@ status_t AudioRecord::openRecord_l(size_t epoch)
     size_t temp = frameCount;   // temp may be replaced by a revised value of frameCount,
                                 // but we will still need the original value also
     int originalSessionId = mSessionId;
+
+    // The notification frame count is the period between callbacks, as suggested by the server.
+    size_t notificationFrames;
+
     sp<IMemory> iMem;           // for cblk
     sp<IMemory> bufferMem;
     sp<IAudioRecord> record = audioFlinger->openRecord(input,
@@ -504,6 +508,7 @@ status_t AudioRecord::openRecord_l(size_t epoch)
                                                        &trackFlags,
                                                        tid,
                                                        &mSessionId,
+                                                       &notificationFrames,
                                                        iMem,
                                                        bufferMem,
                                                        &status);
diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index 687fa76..5cf42f7 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -175,6 +175,7 @@ public:
                                 track_flags_t *flags,
                                 pid_t tid,
                                 int *sessionId,
+                                size_t *notificationFrames,
                                 sp<IMemory>& cblk,
                                 sp<IMemory>& buffers,
                                 status_t *status)
@@ -214,6 +215,10 @@ public:
             if (sessionId != NULL) {
                 *sessionId = lSessionId;
             }
+            size_t lNotificationFrames = (size_t) reply.readInt64();
+            if (notificationFrames != NULL) {
+                *notificationFrames = lNotificationFrames;
+            }
             lStatus = reply.readInt32();
             record = interface_cast<IAudioRecord>(reply.readStrongBinder());
             cblk = interface_cast<IMemory>(reply.readStrongBinder());
@@ -959,16 +964,19 @@ status_t BnAudioFlinger::onTransact(
             track_flags_t flags = (track_flags_t) data.readInt32();
             pid_t tid = (pid_t) data.readInt32();
             int sessionId = data.readInt32();
+            size_t notificationFrames = 0;
             sp<IMemory> cblk;
             sp<IMemory> buffers;
             status_t status;
             sp<IAudioRecord> record = openRecord(input,
                     sampleRate, format, channelMask, &frameCount, &flags, tid, &sessionId,
+                    &notificationFrames,
                     cblk, buffers, &status);
             LOG_ALWAYS_FATAL_IF((record != 0) != (status == NO_ERROR));
             reply->writeInt64(frameCount);
             reply->writeInt32(flags);
             reply->writeInt32(sessionId);
+            reply->writeInt64(notificationFrames);
             reply->writeInt32(status);
             reply->writeStrongBinder(record->asBinder());
             reply->writeStrongBinder(cblk->asBinder());