qahw: test: Initial qahw api test app changes

-Add qahw test app changes for record and playback.

Change-Id: I661cc01497dfd6f8dde0d9206c8ef39ec92f499e
diff --git a/qahw_api/Android.mk b/qahw_api/Android.mk
index e35b67b..3c02f51 100644
--- a/qahw_api/Android.mk
+++ b/qahw_api/Android.mk
@@ -28,4 +28,6 @@
 
 include $(BUILD_SHARED_LIBRARY)
 
+#test app compilation
+include $(LOCAL_PATH)/test/Android.mk
 endif
diff --git a/qahw_api/test/Android.mk b/qahw_api/test/Android.mk
new file mode 100644
index 0000000..1688069
--- /dev/null
+++ b/qahw_api/test/Android.mk
@@ -0,0 +1,40 @@
+LOCAL_PATH := $(call my-dir)
+
+# audio_hal_playback_test
+# ==============================================================================
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := qahw_playback_test.c
+LOCAL_MODULE := hal_play_test
+
+hal-play-inc     = $(TARGET_OUT_HEADERS)/mm-audio/qahw_api/inc
+
+LOCAL_CFLAGS += -Wall -Werror -Wno-sign-compare
+
+LOCAL_SHARED_LIBRARIES := \
+    libaudioutils\
+    libqahw \
+    libutils
+
+LOCAL_32_BIT_ONLY := true
+
+LOCAL_C_INCLUDES += $(hal-play-inc)
+
+include $(BUILD_EXECUTABLE)
+
+# audio_hal_multi_record_test
+# ==============================================================================
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := qahw_multi_record_test.c
+LOCAL_MODULE := hal_rec_test
+LOCAL_CFLAGS += -Wall -Werror -Wno-sign-compare
+LOCAL_SHARED_LIBRARIES := \
+    libaudioutils \
+    libqahw \
+    libutils
+
+LOCAL_32_BIT_ONLY := true
+
+hal-rec-inc     = $(TARGET_OUT_HEADERS)/mm-audio/qahw_api/inc
+
+LOCAL_C_INCLUDES += $(hal-rec-inc)
+include $(BUILD_EXECUTABLE)
diff --git a/qahw_api/test/qahw_multi_record_test.c b/qahw_api/test/qahw_multi_record_test.c
new file mode 100644
index 0000000..07dede7
--- /dev/null
+++ b/qahw_api/test/qahw_multi_record_test.c
@@ -0,0 +1,488 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * Copyright (C) 2015 The Android Open Source Project *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* Test app to record multiple audio sessions at the HAL layer */
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "qahw_api.h"
+#include "qahw_defs.h"
+
+struct audio_config_params {
+    qahw_module_handle_t *qahw_mod_handle;
+    audio_io_handle_t handle;
+    audio_devices_t input_device;
+    audio_config_t config;
+    audio_input_flags_t flags;
+    const char* kStreamName ;
+    audio_source_t kInputSource;
+    char output_filename[256];
+    double loopTime;
+    char profile[50];
+};
+
+#define SOUNDFOCUS_PARAMS "SoundFocus.start_angles;SoundFocus.enable_sectors;" \
+                          "SoundFocus.gain_step"
+#define SOURCETRACK_PARAMS "SourceTrack.vad;SourceTrack.doa_speech;SourceTrack.doa_noise;"\
+                           "SourceTrack.polar_activity;ssr.noise_level;ssr.noise_level_after_ns"
+int sourcetrack_done = 0;
+static pthread_mutex_t glock;
+pthread_cond_t gcond;
+int tests_running;
+bool gerror;
+
+void *read_sourcetrack_data(void* data)
+{
+    char kvpair_soundfocus[200] = SOUNDFOCUS_PARAMS;
+    char kvpair_sourcetrack[200] = SOURCETRACK_PARAMS;
+    char *string = NULL;
+    char *token = NULL;
+    char choice = '\0';
+    int i =0;
+    qahw_module_handle_t *qawh_module_handle =
+                (qahw_module_handle_t *)data;
+
+    while (1) {
+        printf("\nGet SoundFocus Params from app");
+        string = qahw_get_parameters(qawh_module_handle, kvpair_soundfocus);
+        if (!string) {
+            printf("Error.Failed Get SoundFocus Params\n");
+        } else {
+            token = strtok (string , "=");
+            while (token) {
+                if (*token == 'S') {
+                    choice = *(token + 11);
+                    token = strtok (NULL,",;");
+                    i=0;
+                }
+                switch (choice) {
+                    case 'g':
+                        printf ("\nSoundFocus.gain_step=%s",token);
+                        break;
+                    case 'e':
+                        printf ("\nSoundFocus.enable_sectors[%d]=%s",i,token);
+                        i++;
+                        break;
+                    case 's':
+                        printf ("\nSoundFocus.start_angles[%d]=%s",i,token);
+                        i++;
+                        break;
+                }
+                token = strtok (NULL,",;=");
+            }
+        }
+        choice = '\0';
+        printf ("\nGet SourceTracking Params from app");
+        string = qahw_get_parameters(qawh_module_handle, kvpair_sourcetrack);
+        if (!string) {
+            printf ("Error.Failed Get SourceTrack Params\n");
+        } else {
+            token = strtok (string , "=");
+            while (token) {
+                if (*token == 'S') {
+                    choice = *(token + 12);
+                    if (choice == 'd')
+                        choice = *(token + 16);
+                    token = strtok (NULL,",;");
+                    i=0;
+                }
+                switch (choice) {
+                    case 'p':
+                        printf ("\nSourceTrack.polar_activity=%s,",token);
+                        choice = '\0';
+                        break;
+                    case 'v':
+                        printf ("\nSourceTrack.vad[%d]=%s",i,token);
+                        i++;
+                        break;
+                    case 's':
+                        printf ("\nSourceTrack.doa_speech=%s",token);
+                        break;
+                    case 'n':
+                        printf ("\nSourceTrack.doa_noise[%d]=%s",i,token);
+                        i++;
+                        break;
+                    default :
+                        printf ("%s,",token);
+                        break;
+                }
+                token = strtok (NULL,",;=");
+            }
+        }
+        if (sourcetrack_done == 1)
+            return NULL;
+    }
+}
+
+void *start_input(void *thread_param)
+{
+  int rc = 0;
+  struct audio_config_params* params = (struct audio_config_params*) thread_param;
+  qahw_module_handle_t *qahw_mod_handle = params->qahw_mod_handle;
+
+  // Open audio input stream.
+  qahw_stream_handle_t* in_handle = NULL;
+
+  rc = qahw_open_input_stream(qahw_mod_handle,
+                              params->handle, params->input_device,
+                              &params->config, &in_handle,
+                              params->flags, params->kStreamName,
+                              params->kInputSource);
+  if (rc) {
+      printf("ERROR :::: Could not open input stream.\n" );
+      pthread_mutex_lock(&glock);
+      gerror = true;
+      pthread_cond_signal(&gcond);
+      pthread_mutex_unlock(&glock);
+      pthread_exit(0);
+  }
+
+  // Get buffer size to get upper bound on data to read from the HAL.
+  size_t buffer_size;
+      buffer_size = qahw_in_get_buffer_size(in_handle);
+  char *buffer;
+  buffer = (char *)calloc(1, buffer_size);
+  if (buffer == NULL) {
+     printf("calloc failed!!\n");
+     pthread_mutex_lock(&glock);
+     gerror = true;
+     pthread_cond_signal(&gcond);
+     pthread_mutex_unlock(&glock);
+     pthread_exit(0);
+  }
+
+  printf("input opened, buffer = %p, size %zun",
+         buffer, buffer_size);
+
+  int num_channels = audio_channel_count_from_in_mask(params->config.channel_mask);
+
+  time_t start_time = time(0);
+  ssize_t bytes_read = -1;
+  char param[100] = "audio_stream_profile=";
+  qahw_in_buffer_t in_buf;
+
+  // set profile for the recording session
+  strlcat(param, params->profile, sizeof(param));
+  qahw_in_set_parameters(in_handle, param);
+
+  printf("\nPlease speak into the microphone for %lf seconds.\n", params->loopTime);
+
+  FILE *fd = fopen(params->output_filename,"w");
+  if (fd == NULL) {
+     printf("File open failed \n");
+     pthread_mutex_lock(&glock);
+     gerror = true;
+     pthread_cond_signal(&gcond);
+     pthread_mutex_unlock(&glock);
+     pthread_exit(0);
+  }
+  pthread_mutex_lock(&glock);
+  tests_running++;
+  pthread_cond_signal(&gcond);
+  pthread_mutex_unlock(&glock);
+  memset(&in_buf,0, sizeof(qahw_in_buffer_t));
+
+  while(true) {
+      in_buf.buffer = buffer;
+      in_buf.bytes = buffer_size;
+      bytes_read = qahw_in_read(in_handle, &in_buf);
+      fwrite(in_buf.buffer, sizeof(char), buffer_size, fd);
+      if(difftime(time(0), start_time) > params->loopTime) {
+          printf("\nTest completed.\n");
+          break;
+      }
+  }
+
+  printf("closing input");
+
+  // Close output stream and device.
+  rc = qahw_in_standby(in_handle);
+  if (rc) {
+      printf("out standby failed %d \n",rc);
+  }
+
+  rc = qahw_close_input_stream(in_handle);
+  if (rc) {
+      printf("could not close input stream %d \n",rc);
+  }
+
+  // Print instructions to access the file.
+  printf("\nThe audio recording has been saved to %s. Please use adb pull to get "
+         "the file and play it using audacity. The audio data has the "
+         "following characteristics:\nsample rate: %i\nformat: %d\n"
+         "num channels: %i\n",
+         params->output_filename, params->config.sample_rate,
+         params->config.format, num_channels);
+
+  pthread_mutex_lock(&glock);
+  tests_running--;
+  pthread_cond_signal(&gcond);
+  pthread_mutex_unlock(&glock);
+  pthread_exit(0);
+  return NULL;
+}
+
+int read_config_params_from_user(struct audio_config_params *thread_param, int rec_session) {
+    int channels = 0, format = 0, sample_rate = 0,source = 0, device = 0;
+
+    thread_param->kStreamName = "input_stream";
+
+    printf(" \n Enter input device (4->built-in mic, 16->wired_headset .. etc) ::::: ");
+    scanf(" %d", &device);
+    if (device & AUDIO_DEVICE_IN_BUILTIN_MIC)
+        thread_param->input_device = AUDIO_DEVICE_IN_BUILTIN_MIC;
+    else if (device & AUDIO_DEVICE_IN_WIRED_HEADSET)
+        thread_param->input_device = AUDIO_DEVICE_IN_WIRED_HEADSET;
+
+    printf(" \n Enter the channels (1 -mono, 2 -stereo and 4 -quad channels) ::::: ");
+    scanf(" %d", &channels);
+    if (channels == 1) {
+        thread_param->config.channel_mask = AUDIO_CHANNEL_IN_MONO;
+    } else if (channels == 2) {
+        thread_param->config.channel_mask = AUDIO_CHANNEL_IN_STEREO;
+    } else if (channels == 4) {
+        thread_param->config.channel_mask = AUDIO_CHANNEL_INDEX_MASK_4;
+    } else {
+        gerror = true;
+        printf("\nINVALID channels");
+        return -1;
+    }
+
+    printf(" \n Enter the format (16 - 16 bit recording, 24 - 24 bit recording) ::::: ");
+    scanf(" %d", &format);
+    if (format == 16) {
+        thread_param->config.format = AUDIO_FORMAT_PCM_16_BIT;
+    } else if (format == 24) {
+        thread_param->config.format = AUDIO_FORMAT_PCM_24_BIT_PACKED;
+    } else {
+        gerror = true;
+        printf("\n INVALID format");
+        return -1;
+    }
+
+    printf(" \n Enter the sample rate (48000, 16000 etc) :::: ");
+    scanf(" %d", &sample_rate);
+    thread_param->config.sample_rate = sample_rate;
+
+#ifdef MULTIRECORD_SUPPOT
+    printf(" \n Enter profile (none, record_fluence, record_mec, record_unprocessed etc) :::: ");
+    scanf(" %s", thread_param->profile);
+#else
+    thread_param->flags = (audio_input_flags_t)AUDIO_INPUT_FLAG_NONE;
+#endif
+    printf("\n Enter the audio source ( ref: system/media/audio/include/system/audio.h) :::: ");
+    scanf(" %d", &source);
+    thread_param->kInputSource = (audio_source_t)source;
+
+    if (rec_session == 1) {
+        thread_param->handle = 0x999;
+        strcpy(thread_param->output_filename, "/data/rec1.raw");
+    } else if (rec_session == 2) {
+        thread_param->handle = 0x998;
+        strcpy(thread_param->output_filename, "/data/rec2.raw");
+    } else if (rec_session == 3) {
+        thread_param->handle = 0x997;
+        strcpy(thread_param->output_filename, "/data/rec3.raw");
+    } else if (rec_session == 4) {
+        thread_param->handle = 0x996;
+        strcpy(thread_param->output_filename, "/data/rec4.raw");
+    }
+
+    printf("\n Enter the record duration in seconds ::::  ");
+    scanf(" %lf", &thread_param->loopTime);
+    return 0;
+}
+
+int main() {
+    int max_recordings_requested = 0, source_track = 0;
+    int thread_active[4] = {0};
+    qahw_module_handle_t *qahw_mod_handle;
+    const  char *mod_name = "audio.primary";
+
+    pthread_cond_init(&gcond, (const pthread_condattr_t *) NULL);
+
+    qahw_mod_handle = qahw_load_module(mod_name);
+    if(qahw_mod_handle == NULL) {
+        printf(" qahw_load_module failed");
+        return -1;
+    }
+#ifdef MULTIRECORD_SUPPOT
+    printf("Starting audio hal multi recording test. \n");
+    printf(" Enter number of record sessions to be started \n");
+    printf("             (Maximum of 4 record sessions are allowed)::::  ");
+    scanf(" %d", &max_recordings_requested);
+#else
+    max_recordings_requested = 1;
+#endif
+    printf(" \n Source Tracking enabled ??? ( 1 - Enable 0 - Disable)::: ");
+    scanf(" %d", &source_track);
+
+    struct audio_config_params thread1_params, thread2_params;
+    struct audio_config_params thread3_params, thread4_params;
+
+    switch (max_recordings_requested) {
+        case 4:
+            printf(" Enter the config params for fourth record session \n");
+            thread4_params.qahw_mod_handle = qahw_mod_handle;
+            read_config_params_from_user( &thread4_params, 4);
+            thread_active[3] = 1;
+            printf(" \n");
+        case 3:
+            printf(" Enter the config params for third record session \n");
+            thread3_params.qahw_mod_handle = qahw_mod_handle;
+            read_config_params_from_user( &thread3_params, 3);
+            thread_active[2] = 1;
+            printf(" \n");
+        case 2:
+            printf(" Enter the config params for second record session \n");
+            thread2_params.qahw_mod_handle = qahw_mod_handle;
+            read_config_params_from_user( &thread2_params, 2);
+            thread_active[1] = 1;
+            printf(" \n");
+        case 1:
+            printf(" Enter the config params for first record session \n");
+            thread1_params.qahw_mod_handle = qahw_mod_handle;
+            read_config_params_from_user( &thread1_params, 1);
+            thread_active[0] = 1;
+            printf(" \n");
+            break;
+        default:
+            printf(" INVALID input -- Max record sessions supported is 4 -exit \n");
+            gerror = true;
+            break;
+    }
+
+    pthread_t tid[4];
+    pthread_t sourcetrack_thread;
+    int ret = -1;
+
+    if (thread_active[0] == 1) {
+        printf("\n Create first record thread \n");
+        ret = pthread_create(&tid[0], NULL, start_input, (void *)&thread1_params);
+        if (ret) {
+            gerror = true;
+            printf(" Failed to create first record thread \n ");
+            thread_active[0] = 0;
+        }
+    }
+    if (thread_active[1] == 1) {
+        printf("Create second record thread \n");
+        ret = pthread_create(&tid[1], NULL, start_input, (void *)&thread2_params);
+        if (ret) {
+            gerror = true;
+            printf(" Failed to create second record thread \n ");
+            thread_active[1] = 0;
+        }
+    }
+    if (thread_active[2] == 1) {
+        printf("Create third record thread \n");
+        ret = pthread_create(&tid[2], NULL, start_input, (void *)&thread3_params);
+        if (ret) {
+            gerror = true;
+            printf(" Failed to create third record thread \n ");
+            thread_active[2] = 0;
+        }
+    }
+    if (thread_active[3] == 1) {
+        printf("Create fourth record thread \n");
+        ret = pthread_create(&tid[3], NULL, start_input, (void *)&thread4_params);
+        if (ret) {
+            gerror = true;
+            printf(" Failed to create fourth record thread \n ");
+            thread_active[3] = 0;
+        }
+    }
+    if (source_track && max_recordings_requested) {
+        printf("Create source tracking thread \n");
+        ret = pthread_create(&sourcetrack_thread,
+                NULL, read_sourcetrack_data,
+                (void *)qahw_mod_handle);
+        if (ret) {
+            printf(" Failed to create source tracking thread \n ");
+            source_track = 0;
+        }
+    }
+
+    // set bad mic param
+    while (max_recordings_requested && !source_track) {
+        bool test_completed = false;
+
+        pthread_mutex_lock(&glock);
+        if (!tests_running && !gerror)
+            pthread_cond_wait(&gcond, &glock);
+        test_completed = (tests_running == 0);
+        gerror = true;
+        pthread_mutex_unlock(&glock);
+
+        if (test_completed)
+            break;
+#ifdef MULTIRECORD_SUPPOT
+        char ch;
+        printf("\n Bad mic test required (y/n):::");
+        scanf(" %c", &ch);
+        if (ch == 'y' || ch == 'Y') {
+            int bad_mic_ch_index, ret;
+            char param[100] = "bad_mic_channel_index=";
+            printf("\nEnter bad mic channel index (1, 2, 4 ...):::");
+            scanf(" %d", &bad_mic_ch_index);
+            snprintf(param, sizeof(param), "%s%d", param, bad_mic_ch_index);
+            ret = qahw_set_parameters(qahw_mod_handle, param);
+            printf("param %s set to hal with return value %d\n", param, ret);
+        } else {
+            break;
+        }
+#endif
+    }
+
+    printf(" Waiting for threads exit \n");
+    if (thread_active[0] == 1) {
+        pthread_join(tid[0], NULL);
+        printf("after first record thread exit \n");
+    }
+    if (thread_active[1] == 1) {
+        pthread_join(tid[1], NULL);
+        printf("after second record thread exit \n");
+    }
+    if (thread_active[2] == 1) {
+        pthread_join(tid[2], NULL);
+        printf("after third record thread exit \n");
+    }
+    if (thread_active[3] == 1) {
+        pthread_join(tid[3], NULL);
+        printf("after fourth record thread exit \n");
+    }
+    if (source_track) {
+        sourcetrack_done = 1;
+        pthread_join(sourcetrack_thread,NULL);
+        printf("after source tracking thread exit \n");
+    }
+
+    ret = qahw_unload_module(qahw_mod_handle);
+    if (ret) {
+        printf("could not unload hal %d \n",ret);
+    }
+
+
+    printf("Done with hal record test \n");
+    pthread_cond_destroy(&gcond);
+    return 0;
+}
diff --git a/qahw_api/test/qahw_playback_test.c b/qahw_api/test/qahw_playback_test.c
new file mode 100644
index 0000000..8426945
--- /dev/null
+++ b/qahw_api/test/qahw_playback_test.c
@@ -0,0 +1,205 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * Copyright (C) 2015 The Android Open Source Project *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* Test app to play audio at the HAL layer */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include "qahw_api.h"
+#include "qahw_defs.h"
+#define nullptr NULL
+#define WAV 1
+#define MP3 2
+
+
+/* Play audio from a WAV file.
+
+ Parameters:
+   out_stream: A pointer to the output audio stream.
+   in_file: A pointer to a SNDFILE object.
+   config: A pointer to struct that contains audio configuration data.
+
+ Returns: An int which has a non-negative number on success.
+*/
+
+int play_file(qahw_stream_handle_t* out_handle, FILE* in_file) {
+
+  int rc = 0;
+  size_t frames_read = 1;
+  size_t bytes_wanted ;
+  char  *data = NULL;
+  qahw_out_buffer_t out_buf;
+
+  bytes_wanted = qahw_out_get_buffer_size(out_handle);
+  data = (char *) malloc (bytes_wanted);
+  if (data == NULL) {
+      printf("calloc failed!!\n");
+      return -ENOMEM;
+  }
+
+  while(frames_read != 0) {
+      frames_read = fread(data, bytes_wanted , 1, in_file);
+      if (frames_read < 1) {
+          if (feof(in_file))
+              break;
+          else
+              printf("Error in fread --%d\n",ferror(in_file));
+      }
+      memset(&out_buf,0, sizeof(qahw_out_buffer_t));
+      out_buf.buffer = data;
+      out_buf.bytes = frames_read * bytes_wanted;
+      rc = qahw_out_write(out_handle, &out_buf);
+      if (rc < 0) {
+          printf("Writing data to hal failed %d \n",rc);
+          break;
+      }
+  }
+  return rc;
+}
+
+// Prints usage information if input arguments are missing.
+void Usage() {
+    fprintf(stderr, "Usage:hal_play [device] [filename] [filetype]\n"
+            "device: hex value representing the audio device (see "
+            "system/media/audio/include/system/audio.h)\n"
+            "filename must be passed as an argument.\n"
+            "filetype (1:WAV 2:MP3) \n");
+}
+
+int main(int argc, char* argv[]) {
+    if (argc < 4) {
+        Usage();
+        return -1;
+  }
+  // Process command line arguments.
+  FILE *filestream = NULL;
+  char header[44] = {0};
+  int sample_rate = 0;
+  int channels = 0;
+  const int audio_device_base = 16;
+  char* filename = nullptr;
+  int filetype;
+  qahw_module_handle_t *qahw_mod_handle;
+  const  char *mod_name = "audio.primary";
+
+  uint32_t desired_output_device = strtol(
+      argv[1], nullptr /* look at full string*/, audio_device_base);
+
+  filename = argv[2];
+  filetype = atoi (argv[3]);
+
+  printf("Starting audio hal tests.\n");
+  int rc = 0;
+
+  qahw_mod_handle = qahw_load_module(mod_name);
+
+ // Set to a high number so it doesn't interfere with existing stream handles
+  audio_io_handle_t handle = 0x999;
+  audio_devices_t output_device =
+      (audio_devices_t)desired_output_device;
+  audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
+  audio_config_t config;
+
+  memset(&config, 0, sizeof(audio_config_t));
+
+  if (filename) {
+      printf("filename-----%s\n",filename);
+      filestream = fopen (filename,"r");
+      if (filestream == NULL) {
+          printf("failed to open\n");
+          exit(0);
+      }
+  }
+
+  switch (filetype) {
+      case WAV:
+          //Read the wave header
+          rc = fread (header, 44 , 1, filestream);
+          if (rc != 1) {
+              printf("Error .Fread failed\n");
+              exit(0);
+          }
+          if (strncmp (header,"RIFF",4) && strncmp (header+8, "WAVE",4)) {
+              printf("Not a wave format\n");
+              exit (1);
+          }
+          memcpy (&channels, &header[22], 2);
+          memcpy (&sample_rate, &header[24], 4);
+          config.channel_mask = audio_channel_out_mask_from_count(channels);
+          config.offload_info.channel_mask = config.channel_mask;
+          config.offload_info.sample_rate = sample_rate;
+          config.offload_info.format = AUDIO_FORMAT_PCM_16_BIT;
+          break;
+     case MP3:
+          printf("Enter Number of channels:");
+          scanf ("%d",&channels);
+          config.channel_mask = audio_channel_out_mask_from_count(channels);
+          printf("\nEnter Sample Rate:");
+          scanf ("%d",&sample_rate);
+          config.offload_info.channel_mask = config.channel_mask;
+          config.offload_info.sample_rate = sample_rate;
+          config.offload_info.format = AUDIO_FORMAT_MP3;
+          break;
+     default:
+          printf("Does not support given filetype\n");
+          Usage();
+          exit (0);
+  }
+  config.offload_info.version = AUDIO_OFFLOAD_INFO_VERSION_CURRENT;
+  config.offload_info.size = sizeof(audio_offload_info_t);
+
+  printf("Now playing to output_device=%d sample_rate=%d \n",output_device,
+          config.offload_info.sample_rate);
+  const char* stream_name = "output_stream";
+
+  // Open audio output stream.
+  qahw_stream_handle_t* out_handle = nullptr;
+  printf("calling open_out_put_stream:\n");
+  rc = qahw_open_output_stream(qahw_mod_handle, handle, output_device,
+                                        flags, &config, &out_handle,
+                                        stream_name);
+  printf("open output stream is sucess:%d  out_handhle %p\n",rc,out_handle);
+  if (rc) {
+    printf("could not open output stream %d \n",rc);
+    return -1;
+  }
+
+  play_file(out_handle, filestream);
+
+  // Close output stream and device.
+  rc = qahw_out_standby(out_handle);
+  if (rc) {
+      printf("out standby failed %d \n",rc);
+  }
+
+  rc = qahw_close_output_stream(out_handle);
+  if (rc) {
+      printf("could not close output stream %d \n",rc);
+  }
+
+  rc = qahw_unload_module(qahw_mod_handle);
+  if (rc) {
+      printf("could not unload hal  %d \n",rc);
+      return -1;
+  }
+
+  printf("Done with hal tests \n");
+  return 0;
+}