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Diffstat (limited to 'media/libeffects/proxy/EffectProxy.h')
-rw-r--r-- | media/libeffects/proxy/EffectProxy.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/media/libeffects/proxy/EffectProxy.h b/media/libeffects/proxy/EffectProxy.h new file mode 100644 index 0000000..8992f93 --- /dev/null +++ b/media/libeffects/proxy/EffectProxy.h @@ -0,0 +1,75 @@ +/* + * 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. + */ + +#include <hardware/audio.h> +#include <hardware/audio_effect.h> +namespace android { +enum { + SUB_FX_HOST, // Index of HOST in the descriptor and handle arrays + // of the Proxy context + SUB_FX_OFFLOAD, // Index of OFFLOAD in the descriptor and handle arrays + // of the Proxy context + SUB_FX_COUNT // The number of sub effects for a Proxy(1 HW, 1 SW) +}; +#if __cplusplus +extern "C" { +#endif + +int EffectProxyCreate(const effect_uuid_t *uuid, + int32_t sessionId, + int32_t ioId, + effect_handle_t *pHandle); +int EffectProxyRelease(effect_handle_t handle); +int EffectProxyGetDescriptor(const effect_uuid_t *uuid, + effect_descriptor_t *pDescriptor); +/* Effect Control Interface Implementation: Process */ +int Effect_process(effect_handle_t self, + audio_buffer_t *inBuffer, + audio_buffer_t *outBuffer); + +/* Effect Control Interface Implementation: Command */ +int Effect_command(effect_handle_t self, + uint32_t cmdCode, + uint32_t cmdSize, + void *pCmdData, + uint32_t *replySize, + void *pReplyData); +int Effect_getDescriptor(effect_handle_t self, + effect_descriptor_t *pDescriptor); + +const struct effect_interface_s gEffectInterface = { + Effect_process, + Effect_command, + Effect_getDescriptor, + NULL, +}; + +struct EffectContext { + const struct effect_interface_s *common_itfe; // Holds the itfe of the Proxy + effect_descriptor_t* desc; // Points to the sub effect descriptors + effect_handle_t eHandle[SUB_FX_COUNT]; // The effect handles of the sub effects + int index; // The index that is currently active - HOST or OFFLOAD + int32_t sessionId; // The sessiond in which the effect is created. + // Stored in context to pass on to sub effect creation + int32_t ioId; // The ioId in which the effect is created. + // Stored in context to pass on to sub effect creation + effect_uuid_t uuid; // UUID of the Proxy +}; + +#if __cplusplus +} // extern "C" +#endif +} //namespace android |