Merge "hal: Add chipset specific HFP device IDs"
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 1521a7b..147146c 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -53,16 +53,14 @@
 #include "voice_extn.h"
 
 #include "sound/compress_params.h"
+#include "sound/asound.h"
 
-#define MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE (256 * 1024)
-#define MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE (2 * 1024)
-#define COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING (2 * 1024)
-#define COMPRESS_OFFLOAD_FRAGMENT_SIZE (32 * 1024)
 #define COMPRESS_OFFLOAD_NUM_FRAGMENTS 4
 /* ToDo: Check and update a proper value in msec */
 #define COMPRESS_OFFLOAD_PLAYBACK_LATENCY 96
 #define COMPRESS_PLAYBACK_VOLUME_MAX 0x2000
 
+
 #define USECASE_AUDIO_PLAYBACK_PRIMARY USECASE_AUDIO_PLAYBACK_DEEP_BUFFER
 
 struct pcm_config pcm_config_deep_buffer = {
@@ -155,35 +153,6 @@
 
 static int set_voice_volume_l(struct audio_device *adev, float volume);
 
-/* Read  offload buffer size from a property.
- * If value is not power of 2  round it to
- * power of 2.
- */
-static uint32_t get_offload_buffer_size(audio_offload_info_t* info)
-{
-    char value[PROPERTY_VALUE_MAX] = {0};
-    uint32_t fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE;
-    if((property_get("audio.offload.buffer.size.kb", value, "")) &&
-            atoi(value)) {
-        fragment_size =  atoi(value) * 1024;
-        //ring buffer size needs to be 4k aligned.
-        CHECK(!(fragment_size * COMPRESS_OFFLOAD_NUM_FRAGMENTS % 4096));
-    }
-
-    if (info != NULL && info->has_video && info->is_streaming) {
-        fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING;
-        ALOGV("%s: offload fragment size reduced for AV streaming to %d",
-               __func__, out->compr_config.fragment_size);
-    }
-
-    if(fragment_size < MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE)
-        fragment_size = MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
-    else if(fragment_size > MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE)
-        fragment_size = MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
-    ALOGVV("%s: fragment_size %d", __func__, fragment_size);
-    return fragment_size;
-}
-
 static int check_and_set_gapless_mode(struct audio_device *adev) {
 
 
@@ -214,8 +183,10 @@
 static bool is_supported_format(audio_format_t format)
 {
     if (format == AUDIO_FORMAT_MP3 ||
-            format == AUDIO_FORMAT_AAC)
-        return true;
+        format == AUDIO_FORMAT_AAC ||
+        format == AUDIO_FORMAT_PCM_16_BIT_OFFLOAD ||
+        format == AUDIO_FORMAT_PCM_24_BIT_OFFLOAD)
+           return true;
 
     return false;
 }
@@ -231,6 +202,10 @@
     case AUDIO_FORMAT_AAC:
         id = SND_AUDIOCODEC_AAC;
         break;
+    case AUDIO_FORMAT_PCM_16_BIT_OFFLOAD:
+    case AUDIO_FORMAT_PCM_24_BIT_OFFLOAD:
+        id = SND_AUDIOCODEC_PCM;
+        break;
     default:
         ALOGE("%s: Unsupported audio format :%x", __func__, format);
     }
@@ -2169,8 +2144,10 @@
         out->usecase = USECASE_AUDIO_PLAYBACK_OFFLOAD;
         if (config->offload_info.channel_mask)
             out->channel_mask = config->offload_info.channel_mask;
-        else if (config->channel_mask)
+        else if (config->channel_mask) {
             out->channel_mask = config->channel_mask;
+            config->offload_info.channel_mask = config->channel_mask;
+        }
         out->format = config->offload_info.format;
         out->sample_rate = config->offload_info.sample_rate;
 
@@ -2187,7 +2164,13 @@
         else
             out->compr_config.codec->id =
                 get_snd_codec_id(config->offload_info.format);
-        out->compr_config.fragment_size = get_offload_buffer_size(&config->offload_info);
+        if (audio_is_offload_pcm(config->offload_info.format)) {
+            out->compr_config.fragment_size =
+                       platform_get_pcm_offload_buffer_size(&config->offload_info);
+        } else {
+            out->compr_config.fragment_size =
+                       platform_get_compress_offload_buffer_size(&config->offload_info);
+        }
         out->compr_config.fragments = COMPRESS_OFFLOAD_NUM_FRAGMENTS;
         out->compr_config.codec->sample_rate =
                     compress_get_alsa_rate(config->offload_info.sample_rate);
@@ -2198,6 +2181,11 @@
         out->compr_config.codec->ch_out = out->compr_config.codec->ch_in;
         out->compr_config.codec->format = SND_AUDIOSTREAMFORMAT_RAW;
 
+        if (config->offload_info.format == AUDIO_FORMAT_PCM_16_BIT_OFFLOAD)
+            out->compr_config.codec->format = SNDRV_PCM_FORMAT_S16_LE;
+        else if(config->offload_info.format == AUDIO_FORMAT_PCM_24_BIT_OFFLOAD)
+            out->compr_config.codec->format = SNDRV_PCM_FORMAT_S24_LE;
+
         if (flags & AUDIO_OUTPUT_FLAG_NON_BLOCKING)
             out->non_blocking = 1;
 
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index b1864cc..3f4de55 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -31,12 +31,30 @@
 #include "platform.h"
 #include "audio_extn.h"
 #include "voice_extn.h"
+#include "sound/compress_params.h"
 
 #define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
 #define MIXER_XML_PATH_AUXPCM "/system/etc/mixer_paths_auxpcm.xml"
 #define LIB_ACDB_LOADER "libacdbloader.so"
 #define AUDIO_DATA_BLOCK_MIXER_CTL "HDMI EDID"
 
+#define MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE (256 * 1024)
+#define MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE (2 * 1024)
+#define COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING (2 * 1024)
+#define COMPRESS_OFFLOAD_FRAGMENT_SIZE (32 * 1024)
+
+/* Used in calculating fragment size for pcm offload */
+#define PCM_OFFLOAD_BUFFER_DURATION_FOR_AV 2000 /* 2 secs */
+#define PCM_OFFLOAD_BUFFER_DURATION_FOR_AV_STREAMING 100 /* 100 millisecs */
+
+/* MAX PCM fragment size cannot be increased  further due
+ * to flinger's cblk size of 1mb,and it has to be a multiple of
+ * 24 - lcm of channels supported by DSP
+ */
+#define MAX_PCM_OFFLOAD_FRAGMENT_SIZE (240 * 1024)
+#define MIN_PCM_OFFLOAD_FRAGMENT_SIZE (32 * 1024)
+
+#define ALIGN( num, to ) (((num) + (to-1)) & (~(to-1)))
 /*
  * This file will have a maximum of 38 bytes:
  *
@@ -1733,3 +1751,69 @@
     else
         return false;
 }
+
+/* Read  offload buffer size from a property.
+ * If value is not power of 2  round it to
+ * power of 2.
+ */
+uint32_t platform_get_compress_offload_buffer_size(audio_offload_info_t* info)
+{
+    char value[PROPERTY_VALUE_MAX] = {0};
+    uint32_t fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE;
+    if((property_get("audio.offload.buffer.size.kb", value, "")) &&
+            atoi(value)) {
+        fragment_size =  atoi(value) * 1024;
+    }
+
+    if (info != NULL && info->has_video && info->is_streaming) {
+        fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING;
+        ALOGV("%s: offload fragment size reduced for AV streaming to %d",
+               __func__, out->compr_config.fragment_size);
+    }
+
+    fragment_size = ALIGN( fragment_size, 1024);
+
+    if(fragment_size < MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE)
+        fragment_size = MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
+    else if(fragment_size > MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE)
+        fragment_size = MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
+    ALOGV("%s: fragment_size %d", __func__, fragment_size);
+    return fragment_size;
+}
+
+uint32_t platform_get_pcm_offload_buffer_size(audio_offload_info_t* info)
+{
+    uint32_t fragment_size = MIN_PCM_OFFLOAD_FRAGMENT_SIZE;
+    uint32_t bits_per_sample = 16;
+
+    if (info->format == AUDIO_FORMAT_PCM_24_BIT_OFFLOAD) {
+        bits_per_sample = 32;
+    }
+
+    if (!info->has_video) {
+        fragment_size = MAX_PCM_OFFLOAD_FRAGMENT_SIZE;
+
+    } else if (info->has_video && info->is_streaming) {
+        fragment_size = (PCM_OFFLOAD_BUFFER_DURATION_FOR_AV_STREAMING
+                                     * info->sample_rate
+                                     * bits_per_sample
+                                     * popcount(info->channel_mask))/1000;
+
+    } else if (info->has_video) {
+        fragment_size = (PCM_OFFLOAD_BUFFER_DURATION_FOR_AV
+                                     * info->sample_rate
+                                     * bits_per_sample
+                                     * popcount(info->channel_mask))/1000;
+    }
+
+    fragment_size = ALIGN( fragment_size, 1024);
+
+    if(fragment_size < MIN_PCM_OFFLOAD_FRAGMENT_SIZE)
+        fragment_size = MIN_PCM_OFFLOAD_FRAGMENT_SIZE;
+    else if(fragment_size > MAX_PCM_OFFLOAD_FRAGMENT_SIZE)
+        fragment_size = MAX_PCM_OFFLOAD_FRAGMENT_SIZE;
+
+    ALOGV("%s: fragment_size %d", __func__, fragment_size);
+    return fragment_size;
+}
+
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 2c12ea6..81291a2 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -65,4 +65,8 @@
 /* From platform_info_parser.c */
 int platform_info_init(void);
 
+struct audio_offload_info_t;
+uint32_t platform_get_compress_offload_buffer_size(audio_offload_info_t* info);
+uint32_t platform_get_pcm_offload_buffer_size(audio_offload_info_t* info);
+
 #endif // AUDIO_PLATFORM_API_H
diff --git a/policy_hal/AudioPolicyManager.cpp b/policy_hal/AudioPolicyManager.cpp
index 5142353..a774c9e 100644
--- a/policy_hal/AudioPolicyManager.cpp
+++ b/policy_hal/AudioPolicyManager.cpp
@@ -1116,16 +1116,6 @@
         return false;
     }
 #endif
-
-    // Check if offload has been disabled
-    char propValue[PROPERTY_VALUE_MAX];
-    if (property_get("audio.offload.disable", propValue, "0")) {
-        if (atoi(propValue) != 0) {
-            ALOGV("offload disabled by audio.offload.disable=%s", propValue );
-            return false;
-        }
-    }
-
     // Check if stream type is music, then only allow offload as of now.
     if (offloadInfo.stream_type != AUDIO_STREAM_MUSIC)
     {
@@ -1133,26 +1123,65 @@
         return false;
     }
 
-    //TODO: enable audio offloading with video when ready
-    if (offloadInfo.has_video)
-    {
-        if(property_get("av.offload.enable", propValue, NULL)) {
+    char propValue[PROPERTY_VALUE_MAX];
+    bool pcmOffload = false;
+    if (audio_is_offload_pcm(offloadInfo.format)) {
+        if(property_get("audio.offload.pcm.enable", propValue, NULL)) {
             bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4);
-            if (!prop_enabled) {
-               ALOGW("offload disabled by av.offload.enable = %s ", propValue );
-               return false;
+            if (prop_enabled) {
+                ALOGW("PCM offload property is enabled");
+                pcmOffload = true;
             }
         }
-        if(offloadInfo.is_streaming &&
-           property_get("av.streaming.offload.enable", propValue, NULL)) {
-            bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4);
-            if (!prop_enabled) {
-               ALOGW("offload disabled by av.streaming.offload.enable = %s ", propValue );
-               return false;
+        if (!pcmOffload) {
+            ALOGV("PCM offload disabled by property audio.offload.pcm.enable");
+            return false;
+        }
+    }
+
+    if (!pcmOffload) {
+        // Check if offload has been disabled
+        if (property_get("audio.offload.disable", propValue, "0")) {
+            if (atoi(propValue) != 0) {
+                ALOGV("offload disabled by audio.offload.disable=%s", propValue );
+                return false;
             }
         }
-        ALOGV("isOffloadSupported: has_video == true, property\
-                set to enable offload");
+
+        //check if it's multi-channel AAC format
+        if (AudioSystem::popCount(offloadInfo.channel_mask) > 2
+              && offloadInfo.format == AUDIO_FORMAT_AAC) {
+            ALOGV("offload disabled for multi-channel AAC format");
+            return false;
+        }
+
+        if (offloadInfo.has_video)
+        {
+            if(property_get("av.offload.enable", propValue, NULL)) {
+                bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4);
+                if (!prop_enabled) {
+                    ALOGW("offload disabled by av.offload.enable = %s ", propValue );
+                    return false;
+                }
+            } else {
+                return false;
+            }
+
+            if(offloadInfo.is_streaming) {
+                if (property_get("av.streaming.offload.enable", propValue, NULL)) {
+                    bool prop_enabled = atoi(propValue) || !strncmp("true", propValue, 4);
+                    if (!prop_enabled) {
+                       ALOGW("offload disabled by av.streaming.offload.enable = %s ", propValue );
+                       return false;
+                    }
+                } else {
+                    //Do not offload AV streamnig if the property is not defined
+                    return false;
+                }
+            }
+            ALOGV("isOffloadSupported: has_video == true, property\
+                    set to enable offload");
+        }
     }
 
     //If duration is less than minimum value defined in property, return false
@@ -1165,7 +1194,7 @@
         ALOGV("Offload denied by duration < default min(=%u)", OFFLOAD_DEFAULT_MIN_DURATION_SECS);
         //duration checks only valid for MP3/AAC formats,
         //do not check duration for other audio formats, e.g. dolby AAC/AC3 and amrwb+ formats
-        if (offloadInfo.format == AUDIO_FORMAT_MP3 || offloadInfo.format == AUDIO_FORMAT_AAC)
+        if (offloadInfo.format == AUDIO_FORMAT_MP3 || offloadInfo.format == AUDIO_FORMAT_AAC || pcmOffload)
             return false;
     }
 
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index b6966e6..2cb910c 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -25,7 +25,7 @@
 
 LOCAL_C_INCLUDES := \
 	external/tinyalsa/include \
-	kernel/include/sound \
+        $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include \
 	$(call include-path-for, audio-effects)
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/post_proc/bass_boost.c b/post_proc/bass_boost.c
index c724b58..a925e8e 100644
--- a/post_proc/bass_boost.c
+++ b/post_proc/bass_boost.c
@@ -23,7 +23,7 @@
 #include <cutils/list.h>
 #include <cutils/log.h>
 #include <tinyalsa/asoundlib.h>
-#include <audio_effects.h>
+#include <sound/audio_effects.h>
 #include <audio_effects/effect_bassboost.h>
 
 #include "effect_api.h"
diff --git a/post_proc/bundle.h b/post_proc/bundle.h
index a8e0f93..7ebea92 100644
--- a/post_proc/bundle.h
+++ b/post_proc/bundle.h
@@ -21,7 +21,7 @@
 #define OFFLOAD_EFFECT_BUNDLE_H
 
 #include <tinyalsa/asoundlib.h>
-#include <audio_effects.h>
+#include <sound/audio_effects.h>
 #include "effect_api.h"
 
 /* Retry for delay for mixer open */
diff --git a/post_proc/effect_api.c b/post_proc/effect_api.c
index a2e4f45..0b77969 100644
--- a/post_proc/effect_api.c
+++ b/post_proc/effect_api.c
@@ -33,7 +33,7 @@
 #include <stdbool.h>
 #include <cutils/log.h>
 #include <tinyalsa/asoundlib.h>
-#include <audio_effects.h>
+#include <sound/audio_effects.h>
 
 #include "effect_api.h"
 
diff --git a/post_proc/equalizer.c b/post_proc/equalizer.c
index 7c7ced2..bde8ef8 100644
--- a/post_proc/equalizer.c
+++ b/post_proc/equalizer.c
@@ -23,7 +23,7 @@
 #include <cutils/list.h>
 #include <cutils/log.h>
 #include <tinyalsa/asoundlib.h>
-#include <audio_effects.h>
+#include <sound/audio_effects.h>
 #include <audio_effects/effect_equalizer.h>
 
 #include "effect_api.h"
diff --git a/post_proc/reverb.c b/post_proc/reverb.c
index d104073..4c7fe25 100644
--- a/post_proc/reverb.c
+++ b/post_proc/reverb.c
@@ -23,7 +23,7 @@
 #include <cutils/list.h>
 #include <cutils/log.h>
 #include <tinyalsa/asoundlib.h>
-#include <audio_effects.h>
+#include <sound/audio_effects.h>
 #include <audio_effects/effect_environmentalreverb.h>
 #include <audio_effects/effect_presetreverb.h>
 
diff --git a/post_proc/virtualizer.c b/post_proc/virtualizer.c
index e9eb728..9682b93 100644
--- a/post_proc/virtualizer.c
+++ b/post_proc/virtualizer.c
@@ -23,7 +23,7 @@
 #include <cutils/list.h>
 #include <cutils/log.h>
 #include <tinyalsa/asoundlib.h>
-#include <audio_effects.h>
+#include <sound/audio_effects.h>
 #include <audio_effects/effect_virtualizer.h>
 
 #include "effect_api.h"