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85 lines
3.6 KiB
85 lines
3.6 KiB
4 months ago
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/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <hardware/audio.h>
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#include <hardware/audio_effect.h>
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#include "EffectsFactory.h"
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namespace android {
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enum {
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SUB_FX_HOST, // Index of HOST in the descriptor and handle arrays
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// of the Proxy context
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SUB_FX_OFFLOAD, // Index of OFFLOAD in the descriptor and handle arrays
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// of the Proxy context
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SUB_FX_COUNT // The number of sub effects for a Proxy(1 HW, 1 SW)
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};
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#if __cplusplus
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extern "C" {
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#endif
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int EffectProxyCreate(const effect_uuid_t *uuid,
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int32_t sessionId,
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int32_t ioId,
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effect_handle_t *pHandle);
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int EffectProxyRelease(effect_handle_t handle);
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int EffectProxyGetDescriptor(const effect_uuid_t *uuid,
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effect_descriptor_t *pDescriptor);
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/* Effect Control Interface Implementation: Process */
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int Effect_process(effect_handle_t self,
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audio_buffer_t *inBuffer,
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audio_buffer_t *outBuffer);
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/* Effect Control Interface Implementation: Command */
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int Effect_command(effect_handle_t self,
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uint32_t cmdCode,
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uint32_t cmdSize,
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void *pCmdData,
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uint32_t *replySize,
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void *pReplyData);
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int Effect_getDescriptor(effect_handle_t self,
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effect_descriptor_t *pDescriptor);
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const struct effect_interface_s gEffectInterface = {
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Effect_process,
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Effect_command,
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Effect_getDescriptor,
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NULL,
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};
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#define PROXY_REPLY_SIZE_MAX (64 * 1024) // must be power of two
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#define PROXY_REPLY_SIZE_DEFAULT 32 // must be power of two
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struct EffectContext {
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const struct effect_interface_s *common_itfe; // Holds the itfe of the Proxy
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sub_effect_entry_t** sube; // Points to the sub effects
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effect_descriptor_t* desc; // Points to the sub effect descriptors
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audio_effect_library_t** aeli; // Points to the sub effect aeli
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effect_handle_t eHandle[SUB_FX_COUNT]; // The effect handles of the sub effects
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int index; // The index that is currently active - HOST or OFFLOAD
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int32_t sessionId; // The sessiond in which the effect is created.
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// Stored in context to pass on to sub effect creation
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int32_t ioId; // The ioId in which the effect is created.
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// Stored in context to pass on to sub effect creation
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effect_uuid_t uuid; // UUID of the Proxy
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char* replyData; // temporary buffer for non active sub effect command reply
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uint32_t replySize; // current size of temporary reply buffer
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};
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#if __cplusplus
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} // extern "C"
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#endif
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} //namespace android
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