audio: msm8909w caf release LW.BR.1.0-00410-8x09w.0
MSM8909w Audio HAL code copied from CAF release
LW.BR.1.0-00410-8x09w.0
dbcce50 hal: Port wcd9326 changes to 8909
410c530 hal: update error handling for pcm_prepare failures
ff79309 hal: fix compilation issues with audio FM extention
762d7eb policy_hal: add support for fm device loopback
7c418f9 audio_policy: modify few methods to appropriately override base
8b12163 audio: Add support to enable split A2DP
a0559fa Revert "Revert "policy_hal: Function prototype correction for custom policy"."
Fixed makefiles to be compatible with PDK without kernel source
Change-Id: I9c6f2139adee62426b877516deeb41d4ed8052b2
diff --git a/msm8909/post_proc/virtualizer.c b/msm8909/post_proc/virtualizer.c
new file mode 100644
index 0000000..dcddfe7
--- /dev/null
+++ b/msm8909/post_proc/virtualizer.c
@@ -0,0 +1,503 @@
+/*
+ * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * Copyright (C) 2013 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.
+ */
+
+#define LOG_TAG "offload_effect_virtualizer"
+#define LOG_NDEBUG 0
+
+#include <cutils/list.h>
+#include <cutils/log.h>
+#include <tinyalsa/asoundlib.h>
+#include <sound/audio_effects.h>
+#include <audio_effects/effect_virtualizer.h>
+
+#include "effect_api.h"
+#include "virtualizer.h"
+
+/* Offload Virtualizer UUID: 509a4498-561a-4bea-b3b1-0002a5d5c51b */
+const effect_descriptor_t virtualizer_descriptor = {
+ {0x37cc2c00, 0xdddd, 0x11db, 0x8577, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
+ {0x509a4498, 0x561a, 0x4bea, 0xb3b1, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid
+ EFFECT_CONTROL_API_VERSION,
+ (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_DEVICE_IND | EFFECT_FLAG_HW_ACC_TUNNEL),
+ 0, /* TODO */
+ 1,
+ "MSM offload virtualizer",
+ "The Android Open Source Project",
+};
+
+/*
+ * Virtualizer operations
+ */
+
+int virtualizer_get_strength(virtualizer_context_t *context)
+{
+ ALOGV("%s: ctxt %p, strength: %d", __func__, context, context->strength);
+ return context->strength;
+}
+
+int virtualizer_set_strength(virtualizer_context_t *context, uint32_t strength)
+{
+ ALOGV("%s: ctxt %p, strength: %d", __func__, context, strength);
+ context->strength = strength;
+
+ offload_virtualizer_set_strength(&(context->offload_virt), strength);
+ if (context->ctl)
+ offload_virtualizer_send_params(context->ctl, context->offload_virt,
+ OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG |
+ OFFLOAD_SEND_VIRTUALIZER_STRENGTH);
+ return 0;
+}
+
+/*
+ * Check if an audio device is supported by this implementation
+ *
+ * [in]
+ * device device that is intented for processing (e.g. for binaural vs transaural)
+ * [out]
+ * false device is not applicable for effect
+ * true device is applicable for effect
+ */
+bool virtualizer_is_device_supported(audio_devices_t device) {
+ switch (device) {
+ case AUDIO_DEVICE_OUT_SPEAKER:
+ case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
+ case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
+#ifdef AFE_PROXY_ENABLED
+ case AUDIO_DEVICE_OUT_PROXY:
+#endif
+ case AUDIO_DEVICE_OUT_AUX_DIGITAL:
+ case AUDIO_DEVICE_OUT_USB_ACCESSORY:
+ case AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET:
+ return false;
+ default :
+ return true;
+ }
+}
+
+/*
+ * Check if a channel mask + audio device is supported by this implementation
+ *
+ * [in]
+ * channel_mask channel mask of input buffer
+ * device device that is intented for processing (e.g. for binaural vs transaural)
+ * [out]
+ * false if the configuration is not supported or it is unknown
+ * true if the configuration is supported
+ */
+bool virtualizer_is_configuration_supported(audio_channel_mask_t channel_mask,
+ audio_devices_t device) {
+ uint32_t channelCount = audio_channel_count_from_out_mask(channel_mask);
+ if ((channelCount == 0) || (channelCount > 2)) {
+ return false;
+ }
+
+ return virtualizer_is_device_supported(device);
+}
+
+/*
+ * Force the virtualization mode to that of the given audio device
+ *
+ * [in]
+ * context effect engine context
+ * forced_device device whose virtualization mode we'll always use
+ * [out]
+ * -EINVAL if the device is not supported or is unknown
+ * 0 if the device is supported and the virtualization mode forced
+ */
+int virtualizer_force_virtualization_mode(virtualizer_context_t *context,
+ audio_devices_t forced_device) {
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+ int status = 0;
+ bool use_virt = false;
+ int is_virt_enabled =
+ offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt));
+
+ ALOGV("%s: ctxt %p, forcedDev=0x%x enabled=%d tmpDisabled=%d", __func__, virt_ctxt,
+ forced_device, is_virt_enabled, virt_ctxt->temp_disabled);
+
+ if (virtualizer_is_device_supported(forced_device) == false) {
+ if (forced_device != AUDIO_DEVICE_NONE) {
+ //forced device is not supported, make it behave as a reset of forced mode
+ forced_device = AUDIO_DEVICE_NONE;
+ // but return an error
+ status = -EINVAL;
+ }
+ }
+
+ if (forced_device == AUDIO_DEVICE_NONE) {
+ // disabling forced virtualization mode:
+ // verify whether the virtualization should be enabled or disabled
+ if (virtualizer_is_device_supported(virt_ctxt->device)) {
+ use_virt = (is_virt_enabled == true);
+ }
+ virt_ctxt->forced_device = AUDIO_DEVICE_NONE;
+ } else {
+ // forcing virtualization mode:
+ // TODO: we assume device is supported, so hard coded a fixed one.
+ virt_ctxt->forced_device = AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
+ // TODO: only enable for a supported mode, when the effect is enabled
+ use_virt = (is_virt_enabled == true);
+ }
+
+ if (use_virt) {
+ if (virt_ctxt->temp_disabled == true) {
+ if (effect_is_active(&virt_ctxt->common)) {
+ offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true);
+ if (virt_ctxt->ctl)
+ offload_virtualizer_send_params(virt_ctxt->ctl,
+ virt_ctxt->offload_virt,
+ OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
+ }
+ ALOGV("%s: re-enable VIRTUALIZER", __func__);
+ virt_ctxt->temp_disabled = false;
+ } else {
+ ALOGV("%s: leaving VIRTUALIZER enabled", __func__);
+ }
+ } else {
+ if (virt_ctxt->temp_disabled == false) {
+ if (effect_is_active(&virt_ctxt->common)) {
+ offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), false);
+ if (virt_ctxt->ctl)
+ offload_virtualizer_send_params(virt_ctxt->ctl,
+ virt_ctxt->offload_virt,
+ OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
+ }
+ ALOGV("%s: disable VIRTUALIZER", __func__);
+ virt_ctxt->temp_disabled = true;
+ } else {
+ ALOGV("%s: leaving VIRTUALIZER disabled", __func__);
+ }
+ }
+
+ ALOGV("after %s: ctxt %p, enabled=%d tmpDisabled=%d", __func__, virt_ctxt,
+ is_virt_enabled, virt_ctxt->temp_disabled);
+
+ return status;
+}
+
+/*
+ * Get the virtual speaker angles for a channel mask + audio device configuration
+ * which is guaranteed to be supported by this implementation
+ *
+ * [in]
+ * channel_mask the channel mask of the input to virtualize
+ * device the type of device that affects the processing (e.g. for binaural vs transaural)
+ * [in/out]
+ * speaker_angles the array of integer where each speaker angle is written as a triplet in the
+ * following format:
+ * int32_t a bit mask with a single value selected for each speaker, following
+ * the convention of the audio_channel_mask_t type
+ * int32_t a value in degrees expressing the speaker azimuth, where 0 is in front
+ * of the user, 180 behind, -90 to the left, 90 to the right of the user
+ * int32_t a value in degrees expressing the speaker elevation, where 0 is the
+ * horizontal plane, +90 is directly above the user, -90 below
+ *
+ */
+void virtualizer_get_speaker_angles(audio_channel_mask_t channel_mask __unused,
+ audio_devices_t device __unused, int32_t *speaker_angles) {
+ // the channel count is guaranteed to be 1 or 2
+ // the device is guaranteed to be of type headphone
+ // this virtualizer is always 2in with speakers at -90 and 90deg of azimuth, 0deg of elevation
+ *speaker_angles++ = (int32_t) AUDIO_CHANNEL_OUT_FRONT_LEFT;
+ *speaker_angles++ = -90; // azimuth
+ *speaker_angles++ = 0; // elevation
+ *speaker_angles++ = (int32_t) AUDIO_CHANNEL_OUT_FRONT_RIGHT;
+ *speaker_angles++ = 90; // azimuth
+ *speaker_angles = 0; // elevation
+}
+
+/*
+ * Retrieve the current device whose processing mode is used by this effect
+ *
+ * [out]
+ * AUDIO_DEVICE_NONE if the effect is not virtualizing
+ * or the device type if the effect is virtualizing
+ */
+audio_devices_t virtualizer_get_virtualization_mode(virtualizer_context_t *context) {
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+ audio_devices_t device = AUDIO_DEVICE_NONE;
+
+ if ((offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)))
+ && (virt_ctxt->temp_disabled == false)) {
+ if (virt_ctxt->forced_device != AUDIO_DEVICE_NONE) {
+ // virtualization mode is forced, return that device
+ device = virt_ctxt->forced_device;
+ } else {
+ // no forced mode, return the current device
+ device = virt_ctxt->device;
+ }
+ }
+ ALOGV("%s: returning 0x%x", __func__, device);
+ return device;
+}
+
+int virtualizer_get_parameter(effect_context_t *context, effect_param_t *p,
+ uint32_t *size)
+{
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+ int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
+ int32_t *param_tmp = (int32_t *)p->data;
+ int32_t param = *param_tmp++;
+ void *value = p->data + voffset;
+ int i;
+
+ ALOGV("%s: ctxt %p, param %d", __func__, virt_ctxt, param);
+
+ p->status = 0;
+
+ switch (param) {
+ case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
+ if (p->vsize < sizeof(uint32_t))
+ p->status = -EINVAL;
+ p->vsize = sizeof(uint32_t);
+ break;
+ case VIRTUALIZER_PARAM_STRENGTH:
+ if (p->vsize < sizeof(int16_t))
+ p->status = -EINVAL;
+ p->vsize = sizeof(int16_t);
+ break;
+ case VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES:
+ // return value size can only be interpreted as relative to input value,
+ // deferring validity check to below
+ break;
+ case VIRTUALIZER_PARAM_VIRTUALIZATION_MODE:
+ if (p->vsize != sizeof(uint32_t))
+ p->status = -EINVAL;
+ p->vsize = sizeof(uint32_t);
+ break;
+ default:
+ p->status = -EINVAL;
+ }
+
+ *size = sizeof(effect_param_t) + voffset + p->vsize;
+
+ if (p->status != 0)
+ return 0;
+
+ switch (param) {
+ case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
+ *(uint32_t *)value = 1;
+ break;
+
+ case VIRTUALIZER_PARAM_STRENGTH:
+ *(int16_t *)value = virtualizer_get_strength(virt_ctxt);
+ break;
+
+ case VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES:
+ {
+ const audio_channel_mask_t channel_mask = (audio_channel_mask_t) *param_tmp++;
+ const audio_devices_t device = (audio_devices_t) *param_tmp;
+ uint32_t channel_cnt = audio_channel_count_from_out_mask(channel_mask);
+
+ if (p->vsize < 3 * channel_cnt * sizeof(int32_t)){
+ p->status = -EINVAL;
+ break;
+ }
+ // verify the configuration is supported
+ if(virtualizer_is_configuration_supported(channel_mask, device)) {
+ // configuration is supported, get the angles
+ virtualizer_get_speaker_angles(channel_mask, device, (int32_t *)value);
+ } else {
+ p->status = -EINVAL;
+ }
+
+ break;
+ }
+
+ case VIRTUALIZER_PARAM_VIRTUALIZATION_MODE:
+ *(uint32_t *)value = (uint32_t) virtualizer_get_virtualization_mode(virt_ctxt);
+ break;
+
+ default:
+ p->status = -EINVAL;
+ break;
+ }
+
+ return 0;
+}
+
+int virtualizer_set_parameter(effect_context_t *context, effect_param_t *p,
+ uint32_t size __unused)
+{
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+ int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
+ void *value = p->data + voffset;
+ int32_t *param_tmp = (int32_t *)p->data;
+ int32_t param = *param_tmp++;
+ uint32_t strength;
+
+ ALOGV("%s: ctxt %p, param %d", __func__, virt_ctxt, param);
+
+ p->status = 0;
+
+ switch (param) {
+ case VIRTUALIZER_PARAM_STRENGTH:
+ strength = (uint32_t)(*(int16_t *)value);
+ virtualizer_set_strength(virt_ctxt, strength);
+ break;
+ case VIRTUALIZER_PARAM_FORCE_VIRTUALIZATION_MODE:
+ {
+ const audio_devices_t device = *(audio_devices_t *)value;
+ if (0 != virtualizer_force_virtualization_mode(virt_ctxt, device)) {
+ p->status = -EINVAL;
+ }
+ break;
+ }
+ default:
+ p->status = -EINVAL;
+ break;
+ }
+
+ return 0;
+}
+
+int virtualizer_set_device(effect_context_t *context, uint32_t device)
+{
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+
+ ALOGV("%s: ctxt %p, device: 0x%x", __func__, virt_ctxt, device);
+ virt_ctxt->device = device;
+
+ if (virt_ctxt->forced_device == AUDIO_DEVICE_NONE) {
+ // default case unless configuration is forced
+ if (virtualizer_is_device_supported(device) == false) {
+ if (!virt_ctxt->temp_disabled) {
+ if (effect_is_active(&virt_ctxt->common)) {
+ offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), false);
+ if (virt_ctxt->ctl)
+ offload_virtualizer_send_params(virt_ctxt->ctl,
+ virt_ctxt->offload_virt,
+ OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
+ }
+ ALOGI("%s: ctxt %p, disabled based on device", __func__, virt_ctxt);
+ virt_ctxt->temp_disabled = true;
+ }
+ } else {
+ if (virt_ctxt->temp_disabled) {
+ if (effect_is_active(&virt_ctxt->common)) {
+ offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true);
+ if (virt_ctxt->ctl)
+ offload_virtualizer_send_params(virt_ctxt->ctl,
+ virt_ctxt->offload_virt,
+ OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
+ }
+ virt_ctxt->temp_disabled = false;
+ }
+ }
+ }
+ // else virtualization mode is forced to a certain device, nothing to do
+
+ offload_virtualizer_set_device(&(virt_ctxt->offload_virt), device);
+ return 0;
+}
+
+int virtualizer_reset(effect_context_t *context)
+{
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+
+ return 0;
+}
+
+int virtualizer_init(effect_context_t *context)
+{
+ ALOGV("%s: ctxt %p", __func__, context);
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+
+ context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
+ context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
+ context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
+ context->config.inputCfg.samplingRate = 44100;
+ context->config.inputCfg.bufferProvider.getBuffer = NULL;
+ context->config.inputCfg.bufferProvider.releaseBuffer = NULL;
+ context->config.inputCfg.bufferProvider.cookie = NULL;
+ context->config.inputCfg.mask = EFFECT_CONFIG_ALL;
+ context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
+ context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
+ context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
+ context->config.outputCfg.samplingRate = 44100;
+ context->config.outputCfg.bufferProvider.getBuffer = NULL;
+ context->config.outputCfg.bufferProvider.releaseBuffer = NULL;
+ context->config.outputCfg.bufferProvider.cookie = NULL;
+ context->config.outputCfg.mask = EFFECT_CONFIG_ALL;
+
+ set_config(context, &context->config);
+
+ virt_ctxt->temp_disabled = false;
+ virt_ctxt->forced_device = AUDIO_DEVICE_NONE;
+ virt_ctxt->device = AUDIO_DEVICE_NONE;
+ memset(&(virt_ctxt->offload_virt), 0, sizeof(struct virtualizer_params));
+
+ return 0;
+}
+
+int virtualizer_enable(effect_context_t *context)
+{
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+
+ ALOGV("%s: ctxt %p, strength %d", __func__, virt_ctxt, virt_ctxt->strength);
+
+ if (!offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)) &&
+ !(virt_ctxt->temp_disabled)) {
+ offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true);
+ if (virt_ctxt->ctl && virt_ctxt->strength)
+ offload_virtualizer_send_params(virt_ctxt->ctl,
+ virt_ctxt->offload_virt,
+ OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG |
+ OFFLOAD_SEND_BASSBOOST_STRENGTH);
+ }
+ return 0;
+}
+
+int virtualizer_disable(effect_context_t *context)
+{
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+
+ ALOGV("%s: ctxt %p", __func__, virt_ctxt);
+ if (offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt))) {
+ offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), false);
+ if (virt_ctxt->ctl)
+ offload_virtualizer_send_params(virt_ctxt->ctl,
+ virt_ctxt->offload_virt,
+ OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
+ }
+ return 0;
+}
+
+int virtualizer_start(effect_context_t *context, output_context_t *output)
+{
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+
+ ALOGV("%s: ctxt %p, ctl %p", __func__, virt_ctxt, output->ctl);
+ virt_ctxt->ctl = output->ctl;
+ if (offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)))
+ if (virt_ctxt->ctl)
+ offload_virtualizer_send_params(virt_ctxt->ctl, virt_ctxt->offload_virt,
+ OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG |
+ OFFLOAD_SEND_VIRTUALIZER_STRENGTH);
+ return 0;
+}
+
+int virtualizer_stop(effect_context_t *context, output_context_t *output __unused)
+{
+ virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
+
+ ALOGV("%s: ctxt %p", __func__, virt_ctxt);
+ virt_ctxt->ctl = NULL;
+ return 0;
+}