audio_encoder.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (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.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is MPEG4IP.
- *
- * The Initial Developer of the Original Code is Cisco Systems Inc.
- * Portions created by Cisco Systems Inc. are
- * Copyright (C) Cisco Systems Inc. 2000-2002. All Rights Reserved.
- *
- * Contributor(s):
- * Dave Mackie dmackie@cisco.com
- */
- #ifndef __AUDIO_ENCODER_H__
- #define __AUDIO_ENCODER_H__
- #include "media_codec.h"
- #include "media_frame.h"
- class CAudioEncoder : public CMediaCodec {
- public:
- CAudioEncoder() { };
- virtual MediaType GetFrameType() = NULL;
- virtual u_int32_t GetSamplesPerFrame() = NULL;
- virtual bool EncodeSamples(
- u_int16_t* pBuffer,
- u_int32_t bufferLength) = NULL;
- virtual bool EncodeSamples(
- u_int16_t* pLeftBuffer,
- u_int16_t* pRightBuffer,
- u_int32_t bufferLength) = NULL;
- virtual bool GetEncodedSamples(
- u_int8_t** ppBuffer,
- u_int32_t* pBufferLength,
- u_int32_t* pNumSamples) = NULL;
- // utility routines
- static bool InterleaveStereoSamples(
- u_int16_t* pLeftBuffer,
- u_int16_t* pRightBuffer,
- u_int32_t srcNumSamples,
- u_int16_t** ppDstBuffer);
- static bool DeinterleaveStereoSamples(
- u_int16_t* pSrcBuffer,
- u_int32_t srcNumSamples,
- u_int16_t** ppLeftBuffer,
- u_int16_t** ppRightBuffer);
- };
- CAudioEncoder* AudioEncoderCreate(const char* encoderName);
- #endif /* __AUDIO_ENCODER_H__ */