diff --git a/hal/audio_extn/audio_defs.h b/hal/audio_extn/audio_defs.h
index 96b0a8b..1c5da54 100644
--- a/hal/audio_extn/audio_defs.h
+++ b/hal/audio_extn/audio_defs.h
@@ -72,6 +72,8 @@
 #define AUDIO_OFFLOAD_CODEC_APE_SAMPLE_RATE "music_offload_ape_sample_rate"
 #define AUDIO_OFFLOAD_CODEC_APE_SEEK_TABLE_PRESENT "music_offload_seek_table_present"
 
+#define AUDIO_OFFLOAD_CODEC_VORBIS_BITSTREAM_FMT "music_offload_vorbis_bitstream_fmt"
+
 /* Query handle fm parameter*/
 #define AUDIO_PARAMETER_KEY_HANDLE_FM "handle_fm"
 
@@ -99,4 +101,6 @@
 /* Query if Proxy can be Opend */
 #define AUDIO_PARAMETER_KEY_CAN_OPEN_PROXY "can_open_proxy"
 
+#define AUDIO_PARAMETER_IS_HW_DECODER_SESSION_ALLOWED  "is_hw_dec_session_allowed"
+
 #endif /* AUDIO_DEFS_H */
diff --git a/hal/audio_extn/audio_extn.c b/hal/audio_extn/audio_extn.c
index 061af81..39ad4d1 100644
--- a/hal/audio_extn/audio_extn.c
+++ b/hal/audio_extn/audio_extn.c
@@ -608,25 +608,23 @@
     if (out->format == AUDIO_FORMAT_FLAC) {
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_FLAC_MIN_BLK_SIZE, value, sizeof(value));
         if (ret >= 0) {
-            out->gapless_mdata.min_blk_size =
             out->compr_config.codec->options.flac_dec.min_blk_size = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_FLAC_MAX_BLK_SIZE, value, sizeof(value));
         if (ret >= 0) {
-            out->gapless_mdata.max_blk_size =
             out->compr_config.codec->options.flac_dec.max_blk_size = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_FLAC_MIN_FRAME_SIZE, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.flac_dec.min_frame_size = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_FLAC_MAX_FRAME_SIZE, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.flac_dec.max_frame_size = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ALOGV("FLAC metadata: min_blk_size %d, max_blk_size %d min_frame_size %d max_frame_size %d",
               out->compr_config.codec->options.flac_dec.min_blk_size,
@@ -639,63 +637,63 @@
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_FRAME_LENGTH, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.frame_length = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_COMPATIBLE_VERSION, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.compatible_version = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_BIT_DEPTH, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.bit_depth = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_PB, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.pb = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_MB, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.mb = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
 
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_KB, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.kb = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_NUM_CHANNELS, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.num_channels = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_MAX_RUN, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.max_run = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_MAX_FRAME_BYTES, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.max_frame_bytes = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_AVG_BIT_RATE, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.avg_bit_rate = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_SAMPLING_RATE, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.sample_rate = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_ALAC_CHANNEL_LAYOUT_TAG, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.alac.channel_layout_tag = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ALOGV("ALAC CSD values: frameLength %d bitDepth %d numChannels %d"
                 " maxFrameBytes %d, avgBitRate %d, sampleRate %d",
@@ -711,52 +709,52 @@
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_COMPATIBLE_VERSION, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.compatible_version = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_COMPRESSION_LEVEL, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.compression_level = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_FORMAT_FLAGS, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.format_flags = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_BLOCKS_PER_FRAME, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.blocks_per_frame = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_FINAL_FRAME_BLOCKS, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.final_frame_blocks = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_TOTAL_FRAMES, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.total_frames = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_BITS_PER_SAMPLE, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.bits_per_sample = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_NUM_CHANNELS, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.num_channels = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_SAMPLE_RATE, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.sample_rate = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_APE_SEEK_TABLE_PRESENT, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.ape.seek_table_present = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ALOGV("APE CSD values: compatibleVersion %d compressionLevel %d"
                 " formatFlags %d blocksPerFrame %d finalFrameBlocks %d"
@@ -775,49 +773,59 @@
     }
 
     else if (out->format == AUDIO_FORMAT_VORBIS) {
+        ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_VORBIS_BITSTREAM_FMT, value, sizeof(value));
+        if (ret >= 0) {
         // transcoded bitstream mode
-        out->compr_config.codec->options.vorbis_dec.bit_stream_fmt = 1;
-        out->send_new_metadata = 1;
+            out->compr_config.codec->options.vorbis_dec.bit_stream_fmt = (atoi(value) > 0) ? 1 : 0;
+            out->is_compr_metadata_avail = true;
+        }
     }
 
     else if (out->format == AUDIO_FORMAT_WMA || out->format == AUDIO_FORMAT_WMA_PRO) {
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_WMA_FORMAT_TAG, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->format = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
+        }
+        ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_AVG_BIT_RATE, value, sizeof(value));
+        if (ret >= 0) {
+            out->compr_config.codec->options.wma.avg_bit_rate = atoi(value);
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_WMA_BLOCK_ALIGN, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.wma.super_block_align = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_WMA_BIT_PER_SAMPLE, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.wma.bits_per_sample = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_WMA_CHANNEL_MASK, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.wma.channelmask = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_WMA_ENCODE_OPTION, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.wma.encodeopt = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_WMA_ENCODE_OPTION1, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.wma.encodeopt1 = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
         ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_WMA_ENCODE_OPTION2, value, sizeof(value));
         if (ret >= 0) {
             out->compr_config.codec->options.wma.encodeopt2 = atoi(value);
-            out->send_new_metadata = 1;
+            out->is_compr_metadata_avail = true;
         }
-        ALOGV("WMA params: fmt %x, balgn %x, sr %d, chmsk %x, encop %x, op1 %x, op2 %x",
+        ALOGV("WMA params: fmt %x, bit rate %x, balgn %x, sr %d, chmsk %x"
+                " encop %x, op1 %x, op2 %x",
                 out->compr_config.codec->format,
+                out->compr_config.codec->options.wma.avg_bit_rate,
                 out->compr_config.codec->options.wma.super_block_align,
                 out->compr_config.codec->options.wma.bits_per_sample,
                 out->compr_config.codec->options.wma.channelmask,
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index fae114e..3b1d817 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -103,7 +103,8 @@
 #endif
 
 #ifdef AUDIO_EXTN_FORMATS_ENABLED
-#define AUDIO_OUTPUT_BIT_WIDTH (config->offload_info.bit_width)
+#define AUDIO_OUTPUT_BIT_WIDTH ((config->offload_info.bit_width == 32) ? 24\
+                                   :config->offload_info.bit_width)
 #else
 #define AUDIO_OUTPUT_BIT_WIDTH (CODEC_BACKEND_DEFAULT_BIT_WIDTH)
 #endif
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 512a584..62ae7b7 100755
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -1304,6 +1304,10 @@
                 ALOGE("%s: Next track returned error %d",__func__, ret);
             if (ret != -ENETRESET) {
                 send_callback = true;
+                pthread_mutex_lock(&out->lock);
+                out->send_new_metadata = 1;
+                out->send_next_track_params = true;
+                pthread_mutex_unlock(&out->lock);
                 event = STREAM_CBK_EVENT_DRAIN_READY;
                 ALOGV("copl(%p):send drain callback, ret %d", out, ret);
             } else
@@ -1633,6 +1637,9 @@
             ret = -EIO;
             goto error_open;
         }
+        /* compress_open sends params of the track, so reset the flag here */
+        out->is_compr_metadata_avail = false;
+
         if (out->offload_callback)
             compress_nonblock(out->compr, out->non_blocking);
 
@@ -1812,6 +1819,8 @@
         } else {
             ALOGD("copl(%p):standby", out);
             stop_compressed_output_l(out);
+            out->send_next_track_params = false;
+            out->is_compr_metadata_avail = false;
             out->gapless_mdata.encoder_delay = 0;
             out->gapless_mdata.encoder_padding = 0;
             if (out->compr != NULL) {
@@ -1837,7 +1846,6 @@
 {
     int ret = 0;
     char value[32];
-    bool is_meta_data_params = false;
 
     if (!out || !parms) {
         ALOGE("%s: return invalid ",__func__);
@@ -1846,31 +1854,15 @@
 
     ret = audio_extn_parse_compress_metadata(out, parms);
 
-    ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_SAMPLE_RATE, value, sizeof(value));
-    if(ret >= 0)
-        is_meta_data_params = true;
-    ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_NUM_CHANNEL, value, sizeof(value));
-    if(ret >= 0)
-        is_meta_data_params = true;
-    ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_AVG_BIT_RATE, value, sizeof(value));
-    if(ret >= 0)
-        is_meta_data_params = true;
     ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_DELAY_SAMPLES, value, sizeof(value));
     if (ret >= 0) {
-        is_meta_data_params = true;
         out->gapless_mdata.encoder_delay = atoi(value); //whats a good limit check?
     }
     ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_PADDING_SAMPLES, value, sizeof(value));
     if (ret >= 0) {
-        is_meta_data_params = true;
         out->gapless_mdata.encoder_padding = atoi(value);
     }
 
-    if(!is_meta_data_params) {
-        ALOGV("%s: Not gapless meta data params", __func__);
-        return 0;
-    }
-    out->send_new_metadata = 1;
     ALOGV("%s new encoder delay %u and padding %u", __func__,
           out->gapless_mdata.encoder_delay, out->gapless_mdata.encoder_padding);
 
@@ -2169,6 +2161,12 @@
             ALOGD("copl(%p):send new gapless metadata", out);
             compress_set_gapless_metadata(out->compr, &out->gapless_mdata);
             out->send_new_metadata = 0;
+            if (out->send_next_track_params && out->is_compr_metadata_avail) {
+                ALOGD("copl(%p):send next track params in gapless", out);
+                compress_set_next_track_param(out->compr, &(out->compr_config.codec->options));
+                out->send_next_track_params = false;
+                out->is_compr_metadata_avail = false;
+            }
         }
 
         ret = compress_write(out->compr, buffer, bytes);
@@ -2985,6 +2983,8 @@
         }
 
         out->send_new_metadata = 1;
+        out->send_next_track_params = false;
+        out->is_compr_metadata_avail = false;
         out->offload_state = OFFLOAD_STATE_IDLE;
         out->playback_started = 0;
 
diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index 983a89e..542a3f1 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -215,6 +215,8 @@
     void *offload_cookie;
     struct compr_gapless_mdata gapless_mdata;
     int send_new_metadata;
+    bool send_next_track_params;
+    bool is_compr_metadata_avail;
     unsigned int bit_width;
 
     struct audio_device *dev;
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index bc1b8ab..240598f 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -148,12 +148,12 @@
 #define MAX_DSP_ONLY_DECODERS 6
 
 char * dsp_only_decoders_mime[] = {
-	"audio/x-ms-wma" /* wma*/ ,
-	"audio/x-ms-wma-lossless" /* wma lossless */ ,
-	"audio/x-ms-wma-pro" /* wma prop */ ,
-	"audio/amr-wb-plus" /* amr wb plus */ ,
-	"audio/alac"  /*alac */ ,
-	"audio/x-ape" /*ape */,
+    "audio/x-ms-wma" /* wma*/ ,
+    "audio/x-ms-wma-lossless" /* wma lossless */ ,
+    "audio/x-ms-wma-pro" /* wma prop */ ,
+    "audio/amr-wb-plus" /* amr wb plus */ ,
+    "audio/alac"  /*alac */ ,
+    "audio/x-ape" /*ape */,
 };
 
 enum {
@@ -3528,6 +3528,8 @@
     char value[512] = {0};
     int ret;
     char *kv_pairs = NULL;
+    char propValue[PROPERTY_VALUE_MAX]={0};
+    bool prop_playback_enabled = false;
 
     ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_SLOWTALK,
                             value, sizeof(value));
@@ -3558,12 +3560,16 @@
 
     ret = str_parms_get_str(query, AUDIO_PARAMETER_IS_HW_DECODER_SESSION_ALLOWED,
                                     value, sizeof(value));
-
     if (ret >= 0) {
         int isallowed = 1; /*true*/
 
-        if(voice_is_in_call(my_data->adev) ||
-             (SND_CARD_STATE_OFFLINE == get_snd_card_state(my_data->adev))) {
+        if (property_get("voice.playback.conc.disabled", propValue, NULL)) {
+            prop_playback_enabled = atoi(propValue) ||
+                !strncmp("true", propValue, 4);
+        }
+
+        if (prop_playback_enabled && (voice_is_in_call(my_data->adev) ||
+             (SND_CARD_STATE_OFFLINE == get_snd_card_state(my_data->adev)))) {
             char *decoder_mime_type = value;
 
             //check if unsupported mime type or not
@@ -3572,7 +3578,7 @@
                 for (i = 0; i < sizeof(dsp_only_decoders_mime)/sizeof(dsp_only_decoders_mime[0]); i++) {
                     if (!strncmp(decoder_mime_type, dsp_only_decoders_mime[i],
                     strlen(dsp_only_decoders_mime[i]))) {
-                       ALOGE("Rejecting request for DSP only session from HAL during voice call/SSR state");
+                       ALOGD("Rejecting request for DSP only session from HAL during voice call/SSR state");
                        isallowed = 0;
                        break;
                     }
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 65dd01f..d519764 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -131,6 +131,18 @@
         [WCD9XXX_MBHC_CAL] = "mbhc_cal",
 };
 
+#define  AUDIO_PARAMETER_IS_HW_DECODER_SESSION_ALLOWED  "is_hw_dec_session_allowed"
+
+char * dsp_only_decoders_mime[] = {
+    "audio/x-ms-wma" /* wma*/ ,
+    "audio/x-ms-wma-lossless" /* wma lossless */ ,
+    "audio/x-ms-wma-pro" /* wma prop */ ,
+    "audio/amr-wb-plus" /* amr wb plus */ ,
+    "audio/alac"  /*alac */ ,
+    "audio/x-ape" /*ape */,
+};
+
+
 enum {
 	VOICE_FEATURE_SET_DEFAULT,
 	VOICE_FEATURE_SET_VOLUME_BOOST
@@ -3129,6 +3141,36 @@
     get_audiocal(platform, query, reply);
     native_audio_get_params(query, reply, value, sizeof(value));
 
+    ret = str_parms_get_str(query, AUDIO_PARAMETER_IS_HW_DECODER_SESSION_ALLOWED,
+                                    value, sizeof(value));
+    if (ret >= 0) {
+        int isallowed = 1; /*true*/
+
+        if (property_get("voice.playback.conc.disabled", propValue, NULL)) {
+            prop_playback_enabled = atoi(propValue) ||
+                !strncmp("true", propValue, 4);
+        }
+
+        if (prop_playback_enabled && (voice_is_in_call(my_data->adev) ||
+             (SND_CARD_STATE_OFFLINE == get_snd_card_state(my_data->adev)))) {
+            char *decoder_mime_type = value;
+
+            //check if unsupported mime type or not
+            if(decoder_mime_type) {
+                int i = 0;
+                for (i = 0; i < sizeof(dsp_only_decoders_mime)/sizeof(dsp_only_decoders_mime[0]); i++) {
+                    if (!strncmp(decoder_mime_type, dsp_only_decoders_mime[i],
+                    strlen(dsp_only_decoders_mime[i]))) {
+                       ALOGD("Rejecting request for DSP only session from HAL during voice call/SSR state");
+                       isallowed = 0;
+                       break;
+                    }
+                }
+            }
+        }
+        str_parms_add_int(reply, AUDIO_PARAMETER_IS_HW_DECODER_SESSION_ALLOWED, isallowed);
+    }
+
 done:
     kv_pairs = str_parms_to_str(reply);
     ALOGV_IF(kv_pairs != NULL, "%s: exit: returns - %s", __func__, kv_pairs);