343 lines
12 KiB
C
343 lines
12 KiB
C
/*
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* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define LOG_TAG "hw_accelerator_effect"
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/*#define LOG_NDEBUG 0*/
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#include <cutils/list.h>
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#include <log/log.h>
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#include <fcntl.h>
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#include <tinyalsa/asoundlib.h>
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#include <sound/audio_effects.h>
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#include <audio_effects/effect_hwaccelerator.h>
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#include "effect_api.h"
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#include "hw_accelerator.h"
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#ifdef AUDIO_FEATURE_ENABLED_GCOV
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extern void __gcov_flush();
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static void enable_gcov()
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{
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__gcov_flush();
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}
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#else
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static void enable_gcov()
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{
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}
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#endif
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/* hw_accelerator UUID: 7d1580bd-297f-4683-9239-e475b6d1d69f */
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const effect_descriptor_t hw_accelerator_descriptor = {
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EFFECT_UIID_HWACCELERATOR__,
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{0x7d1580bd, 0x297f, 0x4683, 0x9239, {0xe4, 0x75, 0xb6, 0xd1, 0xd6, 0x9f}}, // uuid
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EFFECT_CONTROL_API_VERSION,
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(EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_DEVICE_IND),
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0, /* TODO */
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1,
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"HwAccelerated Library",
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"QTI",
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};
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int hw_accelerator_get_parameter(effect_context_t *context,
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effect_param_t *p, uint32_t *size)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
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int32_t *param_tmp = (int32_t *)p->data;
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int32_t param = *param_tmp++;
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void *value = p->data + voffset;
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int i;
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ALOGV("%s: ctxt %p, param %d", __func__, hw_acc_ctxt, param);
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p->status = 0;
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switch (param) {
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case HW_ACCELERATOR_FD:
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if (p->vsize < sizeof(int32_t))
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p->status = -EINVAL;
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p->vsize = sizeof(int32_t);
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break;
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default:
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p->status = -EINVAL;
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}
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*size = sizeof(effect_param_t) + voffset + p->vsize;
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if (p->status != 0)
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return 0;
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switch (param) {
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case HW_ACCELERATOR_FD:
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ALOGV("%s: HW_ACCELERATOR_FD", __func__);
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*(int32_t *)value = hw_acc_ctxt->fd;
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break;
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default:
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p->status = -EINVAL;
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break;
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}
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return 0;
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}
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int hw_accelerator_set_parameter(effect_context_t *context, effect_param_t *p,
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uint32_t size)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
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void *value = p->data + voffset;
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int32_t *param_tmp = (int32_t *)p->data;
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int32_t param = *param_tmp++;
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ALOGV("%s: ctxt %p, param %d", __func__, hw_acc_ctxt, param);
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p->status = 0;
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switch (param) {
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case HW_ACCELERATOR_HPX_STATE: {
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int hpxState = (uint32_t)(*(int32_t *)value);
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if (hpxState)
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hw_acc_hpx_send_params(hw_acc_ctxt->fd, OFFLOAD_SEND_HPX_STATE_ON);
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else
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hw_acc_hpx_send_params(hw_acc_ctxt->fd, OFFLOAD_SEND_HPX_STATE_OFF);
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break;
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}
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default:
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p->status = -EINVAL;
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break;
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}
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return 0;
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}
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int hw_accelerator_set_device(effect_context_t *context, uint32_t device)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
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hw_acc_ctxt->device = device;
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return 0;
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}
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int hw_accelerator_init(effect_context_t *context)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
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context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
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context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_7POINT1;
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context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
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context->config.inputCfg.samplingRate = 44100;
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context->config.inputCfg.bufferProvider.getBuffer = NULL;
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context->config.inputCfg.bufferProvider.releaseBuffer = NULL;
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context->config.inputCfg.bufferProvider.cookie = NULL;
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context->config.inputCfg.mask = EFFECT_CONFIG_ALL;
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context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
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context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
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context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
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context->config.outputCfg.samplingRate = 44100;
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context->config.outputCfg.bufferProvider.getBuffer = NULL;
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context->config.outputCfg.bufferProvider.releaseBuffer = NULL;
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context->config.outputCfg.bufferProvider.cookie = NULL;
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context->config.outputCfg.mask = EFFECT_CONFIG_ALL;
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set_config(context, &context->config);
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hw_acc_ctxt->fd = -1;
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memset(&(hw_acc_ctxt->cfg), 0, sizeof(struct msm_hwacc_effects_config));
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enable_gcov();
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return 0;
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}
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int hw_accelerator_reset(effect_context_t *context)
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{
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ALOGV("%s", __func__);
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return 0;
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}
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int hw_accelerator_set_mode(effect_context_t *context, int32_t frame_count)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
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hw_acc_ctxt->cfg.output.sample_rate = context->config.inputCfg.samplingRate;
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hw_acc_ctxt->cfg.input.sample_rate = context->config.outputCfg.samplingRate;
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hw_acc_ctxt->cfg.output.num_channels = popcount(context->config.inputCfg.channels);
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hw_acc_ctxt->cfg.input.num_channels = popcount(context->config.outputCfg.channels);
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hw_acc_ctxt->cfg.output.bits_per_sample = 8 *
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audio_bytes_per_sample(context->config.inputCfg.format);
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hw_acc_ctxt->cfg.input.bits_per_sample = 8 *
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audio_bytes_per_sample(context->config.outputCfg.format);
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ALOGV("write: sample_rate: %d, channel: %d, bit_width: %d",
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hw_acc_ctxt->cfg.output.sample_rate, hw_acc_ctxt->cfg.output.num_channels,
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hw_acc_ctxt->cfg.output.bits_per_sample);
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ALOGV("read: sample_rate: %d, channel: %d, bit_width: %d",
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hw_acc_ctxt->cfg.input.sample_rate, hw_acc_ctxt->cfg.input.num_channels,
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hw_acc_ctxt->cfg.input.bits_per_sample);
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hw_acc_ctxt->cfg.output.num_buf = 4;
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hw_acc_ctxt->cfg.input.num_buf = 2;
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hw_acc_ctxt->cfg.output.buf_size = frame_count *
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hw_acc_ctxt->cfg.output.num_channels *
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audio_bytes_per_sample(context->config.inputCfg.format) *
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((hw_acc_ctxt->cfg.output.sample_rate/hw_acc_ctxt->cfg.input.sample_rate) +
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(hw_acc_ctxt->cfg.output.sample_rate%hw_acc_ctxt->cfg.input.sample_rate ? 1 : 0));
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hw_acc_ctxt->cfg.input.buf_size = frame_count *
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hw_acc_ctxt->cfg.input.num_channels *
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audio_bytes_per_sample(context->config.outputCfg.format);
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hw_acc_ctxt->cfg.meta_mode_enabled = 0;
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/* TODO: overwrite this for effects using custom topology*/
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hw_acc_ctxt->cfg.overwrite_topology = 0;
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hw_acc_ctxt->cfg.topology = 0;
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return 0;
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}
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int hw_accelerator_enable(effect_context_t *context)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
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hw_acc_ctxt->fd = open("/dev/msm_hweffects", O_RDWR | O_NONBLOCK);
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/* open driver */
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if (hw_acc_ctxt->fd < 0) {
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ALOGE("Audio Effects driver open failed");
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return -EFAULT;
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}
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/* set config */
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if (ioctl(hw_acc_ctxt->fd, AUDIO_SET_EFFECTS_CONFIG, &hw_acc_ctxt->cfg) < 0) {
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ALOGE("setting audio effects drivers config failed");
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if (close(hw_acc_ctxt->fd) < 0)
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ALOGE("releasing hardware accelerated effects driver failed");
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hw_acc_ctxt->fd = -1;
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return -EFAULT;
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}
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/* start */
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if (ioctl(hw_acc_ctxt->fd, AUDIO_START, 0) < 0) {
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ALOGE("audio effects drivers prepare failed");
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if (close(hw_acc_ctxt->fd) < 0)
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ALOGE("releasing hardware accelerated effects driver failed");
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hw_acc_ctxt->fd = -1;
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return -EFAULT;
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}
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enable_gcov();
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return 0;
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}
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int hw_accelerator_disable(effect_context_t *context)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
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if (hw_acc_ctxt->fd > 0)
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if (close(hw_acc_ctxt->fd) < 0)
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ALOGE("releasing hardware accelerated effects driver failed");
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hw_acc_ctxt->fd = -1;
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enable_gcov();
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return 0;
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}
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int hw_accelerator_release(effect_context_t *context)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
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if (hw_acc_ctxt->fd > 0)
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if (close(hw_acc_ctxt->fd) < 0)
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ALOGE("releasing hardware accelerated effects driver failed");
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hw_acc_ctxt->fd = -1;
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enable_gcov();
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return 0;
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}
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int hw_accelerator_process(effect_context_t *context, audio_buffer_t *in_buf,
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audio_buffer_t *out_buf)
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{
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hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
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struct msm_hwacc_buf_cfg buf_cfg;
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struct msm_hwacc_buf_avail buf_avail;
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int ret = 0;
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ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
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if (in_buf == NULL || in_buf->raw == NULL ||
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out_buf == NULL || out_buf->raw == NULL)
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return -EINVAL;
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buf_cfg.output_len = in_buf->frameCount *
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audio_bytes_per_sample(context->config.inputCfg.format) *
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hw_acc_ctxt->cfg.output.num_channels;
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buf_cfg.input_len = out_buf->frameCount *
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audio_bytes_per_sample(context->config.outputCfg.format) *
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hw_acc_ctxt->cfg.input.num_channels;
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if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_GET_BUF_AVAIL, &buf_avail) < 0) {
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ALOGE("AUDIO_EFFECTS_GET_BUF_AVAIL failed");
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return -ENOMEM;
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}
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if (!hw_acc_ctxt->intial_buffer_done) {
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if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_SET_BUF_LEN, &buf_cfg) < 0) {
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ALOGE("AUDIO_EFFECTS_BUF_CFG failed");
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return -EFAULT;
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}
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if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_WRITE, (char *)in_buf->raw) < 0) {
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ALOGE("AUDIO_EFFECTS_WRITE failed");
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return -EFAULT;
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}
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ALOGV("Request for more data");
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hw_acc_ctxt->intial_buffer_done = true;
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return -ENODATA;
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}
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if (buf_avail.output_num_avail > 1) {
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if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_SET_BUF_LEN, &buf_cfg) < 0) {
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ALOGE("AUDIO_EFFECTS_BUF_CFG failed");
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return -EFAULT;
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}
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if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_WRITE, (char *)in_buf->raw) < 0) {
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ALOGE("AUDIO_EFFECTS_WRITE failed");
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return -EFAULT;
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}
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ret = in_buf->frameCount;
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}
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if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_READ, (char *)out_buf->raw) < 0) {
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ALOGE("AUDIO_EFFECTS_READ failed");
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return -EFAULT;
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}
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return ret;
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}
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