diff options
| -rw-r--r-- | include/media/IAudioFlinger.h | 3 | ||||
| -rw-r--r-- | media/libmedia/AudioRecord.cpp | 9 | ||||
| -rw-r--r-- | media/libmedia/IAudioFlinger.cpp | 12 | ||||
| -rw-r--r-- | services/audioflinger/AudioFlinger.cpp | 4 | ||||
| -rw-r--r-- | services/audioflinger/Threads.cpp | 4 |
5 files changed, 29 insertions, 3 deletions
diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h index 49f921b..eaf7780 100644 --- a/include/media/IAudioFlinger.h +++ b/include/media/IAudioFlinger.h @@ -53,6 +53,9 @@ public: }; typedef uint32_t track_flags_t; + // invariant on exit for all APIs that return an sp<>: + // (return value != 0) == (*status == NO_ERROR) + /* create an audio track and registers it with AudioFlinger. * return null if the track cannot be created. */ diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp index c5a7777..666fafa 100644 --- a/media/libmedia/AudioRecord.cpp +++ b/media/libmedia/AudioRecord.cpp @@ -474,7 +474,7 @@ status_t AudioRecord::openRecord_l(size_t epoch) ALOGE_IF(originalSessionId != 0 && mSessionId != originalSessionId, "session ID changed from %d to %d", originalSessionId, mSessionId); - if (record == 0) { + if (record == 0 || status != NO_ERROR) { ALOGE("AudioFlinger could not create record track, status: %d", status); AudioSystem::releaseInput(input); return status; @@ -484,6 +484,11 @@ status_t AudioRecord::openRecord_l(size_t epoch) ALOGE("Could not get control block"); return NO_INIT; } + void *iMemPointer = iMem->pointer(); + if (iMemPointer == NULL) { + ALOGE("Could not get control block pointer"); + return NO_INIT; + } if (mAudioRecord != 0) { mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); mDeathNotifier.clear(); @@ -491,7 +496,7 @@ status_t AudioRecord::openRecord_l(size_t epoch) mInput = input; mAudioRecord = record; mCblkMemory = iMem; - audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); + audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); mCblk = cblk; // FIXME missing fast track frameCount logic mAwaitBoost = false; diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp index 68928f1..448a82e 100644 --- a/media/libmedia/IAudioFlinger.cpp +++ b/media/libmedia/IAudioFlinger.cpp @@ -184,6 +184,17 @@ public: } lStatus = reply.readInt32(); record = interface_cast<IAudioRecord>(reply.readStrongBinder()); + if (lStatus == NO_ERROR) { + if (record == 0) { + ALOGE("openRecord should have returned an IAudioRecord"); + lStatus = UNKNOWN_ERROR; + } + } else { + if (record != 0) { + ALOGE("openRecord returned an IAudioRecord but with status %d", lStatus); + record.clear(); + } + } } if (status) { *status = lStatus; @@ -784,6 +795,7 @@ status_t BnAudioFlinger::onTransact( status_t status; sp<IAudioRecord> record = openRecord(input, sampleRate, format, channelMask, frameCount, &flags, tid, &sessionId, &status); + LOG_ALWAYS_FATAL_IF((record != 0) != (status == NO_ERROR)); reply->writeInt32(flags); reply->writeInt32(sessionId); reply->writeInt32(status); diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp index e70d566..a9c9b56 100644 --- a/services/audioflinger/AudioFlinger.cpp +++ b/services/audioflinger/AudioFlinger.cpp @@ -1242,6 +1242,7 @@ sp<IAudioRecord> AudioFlinger::openRecord( // check calling permissions if (!recordingAllowed()) { + ALOGE("openRecord() permission denied: recording not allowed"); lStatus = PERMISSION_DENIED; goto Exit; } @@ -1257,12 +1258,14 @@ sp<IAudioRecord> AudioFlinger::openRecord( Mutex::Autolock _l(mLock); thread = checkRecordThread_l(input); if (thread == NULL) { + ALOGE("openRecord() checkRecordThread_l failed"); lStatus = BAD_VALUE; goto Exit; } if (deviceRequiresCaptureAudioOutputPermission(thread->inDevice()) && !captureAudioOutputAllowed()) { + ALOGE("openRecord() permission denied: capture not allowed"); lStatus = PERMISSION_DENIED; goto Exit; } @@ -1283,6 +1286,7 @@ sp<IAudioRecord> AudioFlinger::openRecord( // The record track uses one track in mHardwareMixerThread by convention. recordTrack = thread->createRecordTrack_l(client, sampleRate, format, channelMask, frameCount, lSessionId, flags, tid, &lStatus); + LOG_ALWAYS_FATAL_IF((recordTrack != 0) != (lStatus == NO_ERROR)); } if (lStatus != NO_ERROR) { // remove local strong reference to Client before deleting the RecordTrack so that the diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp index b618eff..c46242d 100644 --- a/services/audioflinger/Threads.cpp +++ b/services/audioflinger/Threads.cpp @@ -4575,7 +4575,7 @@ sp<AudioFlinger::RecordThread::RecordTrack> AudioFlinger::RecordThread::createR lStatus = initCheck(); if (lStatus != NO_ERROR) { - ALOGE("Audio driver not initialized."); + ALOGE("createRecordTrack_l() audio driver not initialized"); goto Exit; } // client expresses a preference for FAST, but we get the final say @@ -4638,7 +4638,9 @@ sp<AudioFlinger::RecordThread::RecordTrack> AudioFlinger::RecordThread::createR format, channelMask, frameCount, sessionId); if (track->getCblk() == 0) { + ALOGE("createRecordTrack_l() no control block"); lStatus = NO_MEMORY; + track.clear(); goto Exit; } mTracks.add(track); |