2 // Open Service Platform
3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 // Licensed under the Apache License, Version 2.0 (the License);
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
19 * @file FMediaIAudioStreamFilter.h
20 * @brief This is the header file for the %IAudioStreamFilter interface.
22 * This header file contains the declarations of the %IAudioStreamFilter interface.
25 #ifndef _FMEDIA_IAUDIO_STREAM_FILTER_H_
26 #define _FMEDIA_IAUDIO_STREAM_FILTER_H_
28 namespace Tizen { namespace Media
33 * @interface IAudioStreamFilter
34 * @brief This interface represents a filter that processes an audio stream data.
38 * The %IAudioStreamFilter interface represents a filter that processes an audio stream data.
40 class _OSP_EXPORT_ IAudioStreamFilter
45 * This polymorphic destructor should be overridden if required. This way, the destructors of the derived classes are called when
46 * the destructor of this interface is called.
50 virtual ~IAudioStreamFilter(void) {}
53 * Processes an audio stream.
57 * @param[in,out] frame A frame object containing the audio frame data
58 * @remarks This method should not contain any operations that harm thread safety or performance degradation.
60 virtual void ProcessAudioStream(AudioFrame& frame) = 0;
64 // This method is for internal use only. Using this method can cause behavioral, security-related, and consistency-related issues in the application.
66 // This method is reserved and may change its name at any time without prior notice.
70 virtual void IAudioStreamFilter_Reserved1(void) {}
73 // This method is for internal use only. Using this method can cause behavioral, security-related, and consistency-related issues in the application.
75 // This method is reserved and may change its name at any time without prior notice.
79 virtual void IAudioStreamFilter_Reserved2(void) {}