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Diffstat (limited to 'include/media/EffectVisualizerApi.h')
-rw-r--r-- | include/media/EffectVisualizerApi.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/media/EffectVisualizerApi.h b/include/media/EffectVisualizerApi.h new file mode 100644 index 0000000..1155db8 --- /dev/null +++ b/include/media/EffectVisualizerApi.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2010 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. + */ + +#ifndef ANDROID_EFFECTVISUALIZERAPI_H_ +#define ANDROID_EFFECTVISUALIZERAPI_H_ + +#include <media/EffectApi.h> + +#if __cplusplus +extern "C" { +#endif + +//TODO replace by openSL ES include when available +static const effect_uuid_t SL_IID_VISUALIZATION_ = + { 0xe46b26a0, 0xdddd, 0x11db, 0x8afd, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } }; +const effect_uuid_t * const SL_IID_VISUALIZATION = &SL_IID_VISUALIZATION_; + +#define VISUALIZER_CAPTURE_SIZE_MAX 1024 // maximum capture size in samples +#define VISUALIZER_CAPTURE_SIZE_MIN 128 // minimum capture size in samples + +/* enumerated parameters for Visualizer effect */ +typedef enum +{ + VISU_PARAM_CAPTURE_SIZE, // Sets the number PCM samples in the capture. +} t_visualizer_params; + +/* commands */ +typedef enum +{ + VISU_CMD_CAPTURE = EFFECT_CMD_FIRST_PROPRIETARY, // Gets the latest PCM capture. +}t_visualizer_cmds; + +// VISU_CMD_CAPTURE retrieves the latest PCM snapshot captured by the visualizer engine. +// It returns the number of samples specified by VISU_PARAM_CAPTURE_SIZE +// in 8 bit unsigned format (0 = 0x80) + +#if __cplusplus +} // extern "C" +#endif + + +#endif /*ANDROID_EFFECTVISUALIZERAPI_H_*/ |