Merge "MediaCodec: change onError cb to return CodecException"
diff --git a/include/media/stagefright/Utils.h b/include/media/stagefright/Utils.h
index c85368f..a795c80 100644
--- a/include/media/stagefright/Utils.h
+++ b/include/media/stagefright/Utils.h
@@ -53,6 +53,9 @@
 // Convert a MIME type to a AudioSystem::audio_format
 status_t mapMimeToAudioFormat(audio_format_t& format, const char* mime);
 
+// Convert a aac profile to a AudioSystem::audio_format
+void mapAACProfileToAudioFormat(audio_format_t& format, uint64_t eAacProfile);
+
 // Send information from MetaData to the HAL via AudioSink
 status_t sendMetaDataToHal(sp<MediaPlayerBase::AudioSink>& sink, const sp<MetaData>& meta);
 
diff --git a/media/libstagefright/Android.mk b/media/libstagefright/Android.mk
index 99c8e9f..be9af5e 100644
--- a/media/libstagefright/Android.mk
+++ b/media/libstagefright/Android.mk
@@ -65,16 +65,15 @@
         $(TOP)/frameworks/av/include/media/stagefright/timedtext \
         $(TOP)/frameworks/native/include/media/hardware \
         $(TOP)/frameworks/native/include/media/openmax \
-        $(TOP)/frameworks/native/services/connectivitymanager \
         $(TOP)/external/flac/include \
         $(TOP)/external/tremolo \
         $(TOP)/external/openssl/include \
         $(TOP)/external/libvpx/libwebm \
+        $(TOP)/system/netd/include \
 
 LOCAL_SHARED_LIBRARIES := \
         libbinder \
         libcamera_client \
-        libconnectivitymanager \
         libcutils \
         libdl \
         libdrmframework \
@@ -84,6 +83,7 @@
         libicuuc \
         liblog \
         libmedia \
+        libnetd_client \
         libopus \
         libsonivox \
         libssl \
diff --git a/media/libstagefright/AudioPlayer.cpp b/media/libstagefright/AudioPlayer.cpp
index fdac8fc..e24824b 100644
--- a/media/libstagefright/AudioPlayer.cpp
+++ b/media/libstagefright/AudioPlayer.cpp
@@ -23,6 +23,7 @@
 
 #include <binder/IPCThreadState.h>
 #include <media/AudioTrack.h>
+#include <media/openmax/OMX_Audio.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/ALooper.h>
 #include <media/stagefright/AudioPlayer.h>
@@ -141,6 +142,12 @@
         } else {
             ALOGV("Mime type \"%s\" mapped to audio_format 0x%x", mime, audioFormat);
         }
+
+        int32_t aacaot = -1;
+        if ((audioFormat == AUDIO_FORMAT_AAC) && format->findInt32(kKeyAACAOT, &aacaot)) {
+            // Redefine AAC format corrosponding to aac profile
+            mapAACProfileToAudioFormat(audioFormat,(OMX_AUDIO_AACPROFILETYPE) aacaot);
+        }
     }
 
     int avgBitRate = -1;
@@ -759,6 +766,11 @@
         if (mSeeking) {
             return mSeekTimeUs;
         }
+        if (mReachedEOS) {
+            int64_t durationUs;
+            mSource->getFormat()->findInt64(kKeyDuration, &durationUs);
+            return durationUs;
+        }
         mPositionTimeRealUs = getOutputPlayPositionUs_l();
         ALOGV("getMediaTimeUs getOutputPlayPositionUs_l() mPositionTimeRealUs %" PRId64,
               mPositionTimeRealUs);
diff --git a/media/libstagefright/HTTPBase.cpp b/media/libstagefright/HTTPBase.cpp
index ca68c3d..32291c8 100644
--- a/media/libstagefright/HTTPBase.cpp
+++ b/media/libstagefright/HTTPBase.cpp
@@ -26,7 +26,7 @@
 #include <cutils/properties.h>
 #include <cutils/qtaguid.h>
 
-#include <ConnectivityManager.h>
+#include <NetdClient.h>
 
 namespace android {
 
@@ -122,7 +122,7 @@
 
 // static
 void HTTPBase::RegisterSocketUserMark(int sockfd, uid_t uid) {
-    ConnectivityManager::markSocketAsUser(sockfd, uid);
+    setNetworkForUser(uid, sockfd);
 }
 
 // static
diff --git a/media/libstagefright/Utils.cpp b/media/libstagefright/Utils.cpp
index 8c5deb3..750bff0 100644
--- a/media/libstagefright/Utils.cpp
+++ b/media/libstagefright/Utils.cpp
@@ -23,6 +23,7 @@
 
 #include <arpa/inet.h>
 #include <cutils/properties.h>
+#include <media/openmax/OMX_Audio.h>
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
@@ -609,6 +610,39 @@
     return BAD_VALUE;
 }
 
+struct aac_format_conv_t {
+    OMX_AUDIO_AACPROFILETYPE eAacProfileType;
+    audio_format_t format;
+};
+
+static const struct aac_format_conv_t profileLookup[] = {
+    { OMX_AUDIO_AACObjectMain,        AUDIO_FORMAT_AAC_MAIN},
+    { OMX_AUDIO_AACObjectLC,          AUDIO_FORMAT_AAC_LC},
+    { OMX_AUDIO_AACObjectSSR,         AUDIO_FORMAT_AAC_SSR},
+    { OMX_AUDIO_AACObjectLTP,         AUDIO_FORMAT_AAC_LTP},
+    { OMX_AUDIO_AACObjectHE,          AUDIO_FORMAT_AAC_HE_V1},
+    { OMX_AUDIO_AACObjectScalable,    AUDIO_FORMAT_AAC_SCALABLE},
+    { OMX_AUDIO_AACObjectERLC,        AUDIO_FORMAT_AAC_ERLC},
+    { OMX_AUDIO_AACObjectLD,          AUDIO_FORMAT_AAC_LD},
+    { OMX_AUDIO_AACObjectHE_PS,       AUDIO_FORMAT_AAC_HE_V2},
+    { OMX_AUDIO_AACObjectELD,         AUDIO_FORMAT_AAC_ELD},
+    { OMX_AUDIO_AACObjectNull,        AUDIO_FORMAT_AAC},
+};
+
+void mapAACProfileToAudioFormat( audio_format_t& format, uint64_t eAacProfile)
+{
+const struct aac_format_conv_t* p = &profileLookup[0];
+    while (p->eAacProfileType != OMX_AUDIO_AACObjectNull) {
+        if (eAacProfile == p->eAacProfileType) {
+            format = p->format;
+            return;
+        }
+        ++p;
+    }
+    format = AUDIO_FORMAT_AAC;
+    return;
+}
+
 bool canOffloadStream(const sp<MetaData>& meta, bool hasVideo,
                       bool isStreaming, audio_stream_type_t streamType)
 {
@@ -634,15 +668,11 @@
         return false;
     }
 
-    // check whether it is ELD/LD content -> no offloading
-    // FIXME: this should depend on audio DSP capabilities. mapMimeToAudioFormat() should use the
-    // metadata to refine the AAC format and the audio HAL should only list supported profiles.
+    // Redefine aac format according to its profile
+    // Offloading depends on audio DSP capabilities.
     int32_t aacaot = -1;
     if (meta->findInt32(kKeyAACAOT, &aacaot)) {
-        if (aacaot == 23 || aacaot == 39 ) {
-            ALOGV("track of type '%s' is ELD/LD content", mime);
-            return false;
-        }
+        mapAACProfileToAudioFormat(info.format,(OMX_AUDIO_AACPROFILETYPE) aacaot);
     }
 
     int32_t srate = -1;
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 2124f85..5fed0c1 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -106,13 +106,19 @@
 // ----------------------------------------------------------------------------
 
 const char *formatToString(audio_format_t format) {
-    switch(format) {
-    case AUDIO_FORMAT_PCM_SUB_8_BIT: return "pcm8";
-    case AUDIO_FORMAT_PCM_SUB_16_BIT: return "pcm16";
-    case AUDIO_FORMAT_PCM_SUB_32_BIT: return "pcm32";
-    case AUDIO_FORMAT_PCM_SUB_8_24_BIT: return "pcm8.24";
-    case AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED: return "pcm24";
-    case AUDIO_FORMAT_PCM_SUB_FLOAT: return "pcmfloat";
+    switch (format & AUDIO_FORMAT_MAIN_MASK) {
+    case AUDIO_FORMAT_PCM:
+        switch (format) {
+        case AUDIO_FORMAT_PCM_16_BIT: return "pcm16";
+        case AUDIO_FORMAT_PCM_8_BIT: return "pcm8";
+        case AUDIO_FORMAT_PCM_32_BIT: return "pcm32";
+        case AUDIO_FORMAT_PCM_8_24_BIT: return "pcm8.24";
+        case AUDIO_FORMAT_PCM_FLOAT: return "pcmfloat";
+        case AUDIO_FORMAT_PCM_24_BIT_PACKED: return "pcm24";
+        default:
+            break;
+        }
+        break;
     case AUDIO_FORMAT_MP3: return "mp3";
     case AUDIO_FORMAT_AMR_NB: return "amr-nb";
     case AUDIO_FORMAT_AMR_WB: return "amr-wb";
@@ -120,6 +126,9 @@
     case AUDIO_FORMAT_HE_AAC_V1: return "he-aac-v1";
     case AUDIO_FORMAT_HE_AAC_V2: return "he-aac-v2";
     case AUDIO_FORMAT_VORBIS: return "vorbis";
+    case AUDIO_FORMAT_OPUS: return "opus";
+    case AUDIO_FORMAT_AC3: return "ac-3";
+    case AUDIO_FORMAT_E_AC3: return "e-ac-3";
     default:
         break;
     }
diff --git a/services/audiopolicy/AudioPolicyEffects.cpp b/services/audiopolicy/AudioPolicyEffects.cpp
index 185e1cc..cc0e965 100755
--- a/services/audiopolicy/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/AudioPolicyEffects.cpp
@@ -15,7 +15,7 @@
  */
 
 #define LOG_TAG "AudioPolicyEffects"
-#define LOG_NDEBUG 0
+//#define LOG_NDEBUG 0
 
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/services/audiopolicy/AudioPolicyManager.cpp b/services/audiopolicy/AudioPolicyManager.cpp
index 73c9313..1b4796b 100644
--- a/services/audiopolicy/AudioPolicyManager.cpp
+++ b/services/audiopolicy/AudioPolicyManager.cpp
@@ -122,6 +122,16 @@
     STRING_TO_ENUM(AUDIO_FORMAT_PCM_24_BIT_PACKED),
     STRING_TO_ENUM(AUDIO_FORMAT_MP3),
     STRING_TO_ENUM(AUDIO_FORMAT_AAC),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_MAIN),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_LC),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_SSR),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_LTP),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V1),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_SCALABLE),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_ERLC),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_LD),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V2),
+    STRING_TO_ENUM(AUDIO_FORMAT_AAC_ELD),
     STRING_TO_ENUM(AUDIO_FORMAT_VORBIS),
     STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V1),
     STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V2),
@@ -2701,10 +2711,15 @@
                     ALOGW("checkOutputsForDevice() direct output missing param");
                     mpClientInterface->closeOutput(output);
                     output = 0;
-                } else if (profile->mSamplingRates[0] == 0) {
+                } else if (profile->mSamplingRates[0] == 0 || profile->mFormats[0] == 0 ||
+                            profile->mChannelMasks[0] == 0) {
                     mpClientInterface->closeOutput(output);
-                    desc->mSamplingRate = profile->mSamplingRates[1];
+                    desc->mSamplingRate = profile->pickSamplingRate();
+                    desc->mFormat = profile->pickFormat();
+                    desc->mChannelMask = profile->pickChannelMask();
                     offloadInfo.sample_rate = desc->mSamplingRate;
+                    offloadInfo.format = desc->mFormat;
+                    offloadInfo.channel_mask = desc->mChannelMask;
                     output = mpClientInterface->openOutput(
                                                     profile->mModule->mHandle,
                                                     &desc->mDevice,
@@ -4490,9 +4505,9 @@
     }
     if (profile != NULL) {
         mAudioPort = profile;
-        mSamplingRate = profile->mSamplingRates[0];
-        mFormat = profile->mFormats[0];
-        mChannelMask = profile->mChannelMasks[0];
+        mSamplingRate = profile->pickSamplingRate();
+        mFormat = profile->pickFormat();
+        mChannelMask = profile->pickChannelMask();
         if (profile->mGains.size() > 0) {
             profile->mGains[0]->getDefaultConfig(&mGain);
         }
@@ -4671,16 +4686,12 @@
 {
     if (profile != NULL) {
         mAudioPort = profile;
-        mSamplingRate = profile->mSamplingRates[0];
-        mFormat = profile->mFormats[0];
-        mChannelMask = profile->mChannelMasks[0];
+        mSamplingRate = profile->pickSamplingRate();
+        mFormat = profile->pickFormat();
+        mChannelMask = profile->pickChannelMask();
         if (profile->mGains.size() > 0) {
             profile->mGains[0]->getDefaultConfig(&mGain);
         }
-    } else {
-        mSamplingRate = 0;
-        mFormat = AUDIO_FORMAT_DEFAULT;
-        mChannelMask = 0;
     }
 }
 
@@ -4996,7 +5007,7 @@
 
 AudioPolicyManager::AudioPort::AudioPort(const String8& name, audio_port_type_t type,
           audio_port_role_t role, const sp<HwModule>& module) :
-    mName(name), mType(type), mRole(role), mModule(module)
+    mName(name), mType(type), mRole(role), mModule(module), mFlags((audio_output_flags_t)0)
 {
     mUseInChannelMask = ((type == AUDIO_PORT_TYPE_DEVICE) && (role == AUDIO_PORT_ROLE_SOURCE)) ||
                     ((type == AUDIO_PORT_TYPE_MIX) && (role == AUDIO_PORT_ROLE_SINK));
@@ -5224,6 +5235,127 @@
     return BAD_VALUE;
 }
 
+
+uint32_t AudioPolicyManager::AudioPort::pickSamplingRate() const
+{
+    // special case for uninitialized dynamic profile
+    if (mSamplingRates.size() == 1 && mSamplingRates[0] == 0) {
+        return 0;
+    }
+
+    uint32_t samplingRate = 0;
+    uint32_t maxRate = MAX_MIXER_SAMPLING_RATE;
+
+    // For mixed output and inputs, use max mixer sampling rates. Do not
+    // limit sampling rate otherwise
+    if ((mType != AUDIO_PORT_TYPE_MIX) ||
+            ((mRole == AUDIO_PORT_ROLE_SOURCE) &&
+            (mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD)))) {
+        maxRate = UINT_MAX;
+    }
+    for (size_t i = 0; i < mSamplingRates.size(); i ++) {
+        if ((mSamplingRates[i] > samplingRate) && (mSamplingRates[i] <= maxRate)) {
+            samplingRate = mSamplingRates[i];
+        }
+    }
+    return samplingRate;
+}
+
+audio_channel_mask_t AudioPolicyManager::AudioPort::pickChannelMask() const
+{
+    // special case for uninitialized dynamic profile
+    if (mChannelMasks.size() == 1 && mChannelMasks[0] == 0) {
+        return AUDIO_CHANNEL_NONE;
+    }
+
+    audio_channel_mask_t channelMask = AUDIO_CHANNEL_NONE;
+    uint32_t channelCount = 0;
+    uint32_t maxCount = MAX_MIXER_CHANNEL_COUNT;
+
+    // For mixed output and inputs, use max mixer channel count. Do not
+    // limit channel count otherwise
+    if ((mType != AUDIO_PORT_TYPE_MIX) ||
+            ((mRole == AUDIO_PORT_ROLE_SOURCE) &&
+            (mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD)))) {
+        maxCount = UINT_MAX;
+    }
+    for (size_t i = 0; i < mChannelMasks.size(); i ++) {
+        uint32_t cnlCount;
+        if (mUseInChannelMask) {
+            cnlCount = audio_channel_count_from_in_mask(mChannelMasks[i]);
+        } else {
+            cnlCount = audio_channel_count_from_out_mask(mChannelMasks[i]);
+        }
+        if ((cnlCount > channelCount) && (cnlCount <= maxCount)) {
+            channelMask = mChannelMasks[i];
+        }
+    }
+    return channelMask;
+}
+
+const audio_format_t AudioPolicyManager::AudioPort::sPcmFormatCompareTable[] = {
+        AUDIO_FORMAT_DEFAULT,
+        AUDIO_FORMAT_PCM_16_BIT,
+        AUDIO_FORMAT_PCM_24_BIT_PACKED,
+};
+
+int AudioPolicyManager::AudioPort::compareFormats(audio_format_t format1,
+                                                  audio_format_t format2)
+{
+    // NOTE: AUDIO_FORMAT_INVALID is also considered not PCM and will be compared equal to any
+    // compressed format and better than any PCM format. This is by design of pickFormat()
+    if (!audio_is_linear_pcm(format1)) {
+        if (!audio_is_linear_pcm(format2)) {
+            return 0;
+        }
+        return 1;
+    }
+    if (!audio_is_linear_pcm(format2)) {
+        return -1;
+    }
+
+    int index1 = -1, index2 = -1;
+    for (size_t i = 0;
+            (i < ARRAY_SIZE(sPcmFormatCompareTable)) && ((index1 == -1) || (index2 == -1));
+            i ++) {
+        if (sPcmFormatCompareTable[i] == format1) {
+            index1 = i;
+        }
+        if (sPcmFormatCompareTable[i] == format2) {
+            index2 = i;
+        }
+    }
+    // format1 not found => index1 < 0 => format2 > format1
+    // format2 not found => index2 < 0 => format2 < format1
+    return index1 - index2;
+}
+
+audio_format_t AudioPolicyManager::AudioPort::pickFormat() const
+{
+    // special case for uninitialized dynamic profile
+    if (mFormats.size() == 1 && mFormats[0] == 0) {
+        return AUDIO_FORMAT_DEFAULT;
+    }
+
+    audio_format_t format = AUDIO_FORMAT_DEFAULT;
+    audio_format_t bestFormat = BEST_MIXER_FORMAT;
+    // For mixed output and inputs, use best mixer output format. Do not
+    // limit format otherwise
+    if ((mType != AUDIO_PORT_TYPE_MIX) ||
+            ((mRole == AUDIO_PORT_ROLE_SOURCE) &&
+             (((mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD)) == 0)))) {
+        bestFormat = AUDIO_FORMAT_INVALID;
+    }
+
+    for (size_t i = 0; i < mFormats.size(); i ++) {
+        if ((compareFormats(mFormats[i], format) > 0) &&
+                (compareFormats(mFormats[i], bestFormat) <= 0)) {
+            format = mFormats[i];
+        }
+    }
+    return format;
+}
+
 status_t AudioPolicyManager::AudioPort::checkGain(const struct audio_gain_config *gainConfig,
                                                   int index) const
 {
@@ -5248,7 +5380,11 @@
         snprintf(buffer, SIZE, "%*s- sampling rates: ", spaces, "");
         result.append(buffer);
         for (size_t i = 0; i < mSamplingRates.size(); i++) {
-            snprintf(buffer, SIZE, "%d", mSamplingRates[i]);
+            if (i == 0 && mSamplingRates[i] == 0) {
+                snprintf(buffer, SIZE, "Dynamic");
+            } else {
+                snprintf(buffer, SIZE, "%d", mSamplingRates[i]);
+            }
             result.append(buffer);
             result.append(i == (mSamplingRates.size() - 1) ? "" : ", ");
         }
@@ -5259,7 +5395,13 @@
         snprintf(buffer, SIZE, "%*s- channel masks: ", spaces, "");
         result.append(buffer);
         for (size_t i = 0; i < mChannelMasks.size(); i++) {
-            snprintf(buffer, SIZE, "0x%04x", mChannelMasks[i]);
+            ALOGV("AudioPort::dump mChannelMasks %zu %08x", i, mChannelMasks[i]);
+
+            if (i == 0 && mChannelMasks[i] == 0) {
+                snprintf(buffer, SIZE, "Dynamic");
+            } else {
+                snprintf(buffer, SIZE, "0x%04x", mChannelMasks[i]);
+            }
             result.append(buffer);
             result.append(i == (mChannelMasks.size() - 1) ? "" : ", ");
         }
@@ -5270,9 +5412,14 @@
         snprintf(buffer, SIZE, "%*s- formats: ", spaces, "");
         result.append(buffer);
         for (size_t i = 0; i < mFormats.size(); i++) {
-            snprintf(buffer, SIZE, "%-48s", enumToString(sFormatNameToEnumTable,
-                                                          ARRAY_SIZE(sFormatNameToEnumTable),
-                                                          mFormats[i]));
+            const char *formatStr = enumToString(sFormatNameToEnumTable,
+                                                 ARRAY_SIZE(sFormatNameToEnumTable),
+                                                 mFormats[i]);
+            if (i == 0 && strcmp(formatStr, "") == 0) {
+                snprintf(buffer, SIZE, "Dynamic");
+            } else {
+                snprintf(buffer, SIZE, "%-48s", formatStr);
+            }
             result.append(buffer);
             result.append(i == (mFormats.size() - 1) ? "" : ", ");
         }
@@ -5495,7 +5642,7 @@
 
 AudioPolicyManager::IOProfile::IOProfile(const String8& name, audio_port_role_t role,
                                          const sp<HwModule>& module)
-    : AudioPort(name, AUDIO_PORT_TYPE_MIX, role, module), mFlags((audio_output_flags_t)0)
+    : AudioPort(name, AUDIO_PORT_TYPE_MIX, role, module)
 {
 }
 
@@ -5586,8 +5733,7 @@
                                audio_is_output_device(type) ? AUDIO_PORT_ROLE_SINK :
                                                               AUDIO_PORT_ROLE_SOURCE,
                              NULL),
-                     mDeviceType(type), mAddress(""),
-                     mChannelMask(AUDIO_CHANNEL_NONE), mId(0)
+                     mDeviceType(type), mAddress(""), mId(0)
 {
     mAudioPort = this;
     if (mGains.size() > 0) {
@@ -5807,10 +5953,6 @@
         snprintf(buffer, SIZE, "%*s- address: %-32s\n", spaces, "", mAddress.string());
         result.append(buffer);
     }
-    if (mChannelMask != AUDIO_CHANNEL_NONE) {
-        snprintf(buffer, SIZE, "%*s- channel mask: %08x\n", spaces, "", mChannelMask);
-        result.append(buffer);
-    }
     write(fd, result.string(), result.size());
     AudioPort::dump(fd, spaces);
 
diff --git a/services/audiopolicy/AudioPolicyManager.h b/services/audiopolicy/AudioPolicyManager.h
index c23d994..4caecca 100644
--- a/services/audiopolicy/AudioPolicyManager.h
+++ b/services/audiopolicy/AudioPolicyManager.h
@@ -52,6 +52,12 @@
 // Can be overridden by the audio.offload.min.duration.secs property
 #define OFFLOAD_DEFAULT_MIN_DURATION_SECS 60
 
+#define MAX_MIXER_SAMPLING_RATE 48000
+#define MAX_MIXER_CHANNEL_COUNT 2
+// See AudioPort::compareFormats()
+#define WORST_MIXER_FORMAT AUDIO_FORMAT_PCM_16_BIT
+#define BEST_MIXER_FORMAT AUDIO_FORMAT_PCM_24_BIT_PACKED
+
 // ----------------------------------------------------------------------------
 // AudioPolicyManager implements audio policy manager behavior common to all platforms.
 // ----------------------------------------------------------------------------
@@ -238,6 +244,13 @@
             status_t checkFormat(audio_format_t format) const;
             status_t checkGain(const struct audio_gain_config *gainConfig, int index) const;
 
+            uint32_t pickSamplingRate() const;
+            audio_channel_mask_t pickChannelMask() const;
+            audio_format_t pickFormat() const;
+
+            static const audio_format_t sPcmFormatCompareTable[];
+            static int compareFormats(audio_format_t format1, audio_format_t format2);
+
             void dump(int fd, int spaces) const;
 
             String8           mName;
@@ -252,6 +265,8 @@
             Vector <audio_format_t> mFormats; // supported audio formats
             Vector < sp<AudioGain> > mGains; // gain controllers
             sp<HwModule> mModule;                 // audio HW module exposing this I/O stream
+            audio_output_flags_t mFlags; // attribute flags (e.g primary output,
+                                                // direct output...). For outputs only.
         };
 
         class AudioPortConfig: public virtual RefBase
@@ -302,7 +317,6 @@
 
             audio_devices_t mDeviceType;
             String8 mAddress;
-            audio_channel_mask_t mChannelMask;
             audio_port_handle_t mId;
         };
 
@@ -352,11 +366,10 @@
 
             DeviceVector  mSupportedDevices; // supported devices
                                              // (devices this output can be routed to)
-            audio_output_flags_t mFlags; // attribute flags (e.g primary output,
-                                                // direct output...). For outputs only.
         };
 
-        class HwModule : public RefBase{
+        class HwModule : public RefBase
+        {
         public:
                     HwModule(const char *name);
                     ~HwModule();
diff --git a/services/audiopolicy/AudioPolicyService.cpp b/services/audiopolicy/AudioPolicyService.cpp
index 9435797..ae9cc35 100755
--- a/services/audiopolicy/AudioPolicyService.cpp
+++ b/services/audiopolicy/AudioPolicyService.cpp
@@ -841,8 +841,8 @@
     }
 
     // insert command at the right place according to its time stamp
-    ALOGV("inserting command: %d at index %d, num commands %d",
-            command->mCommand, (int)i+1, mAudioCommands.size());
+    ALOGV("inserting command: %d at index %zd, num commands %zu",
+            command->mCommand, i+1, mAudioCommands.size());
     mAudioCommands.insertAt(command, i + 1);
 }