frame.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:4k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * FAAC - Freeware Advanced Audio Coder
- * Copyright (C) 2001 Menno Bakker
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: frame.h,v 1.4 2002/02/25 22:26:43 dmackie Exp $
- */
- #ifndef FRAME_H
- #define FRAME_H
- #ifdef __cplusplus
- extern "C" {
- #endif /* __cplusplus */
- #include "coder.h"
- #include "channels.h"
- #include "psych.h"
- #ifdef WIN32
- #pragma pack(push, 8)
- #ifndef FAACAPI
- #define FAACAPI __stdcall
- #endif
- #else
- #ifndef FAACAPI
- #define FAACAPI
- #endif
- #endif
- static SR_INFO srInfo[12+1];
- typedef struct faacEncConfiguration
- {
- /* MPEG version, 2 or 4 */
- unsigned int mpegVersion;
- /* AAC object type */
- unsigned int aacObjectType;
- /* Allow mid/side coding */
- unsigned int allowMidside;
- /* Use one of the channels as LFE channel */
- unsigned int useLfe;
- /* Use Temporal Noise Shaping */
- unsigned int useTns;
- /* bitrate / channel of AAC file */
- unsigned long bitRate;
- /* AAC file frequency bandwidth */
- unsigned int bandWidth;
- #ifdef MPEG4IP
- unsigned int useAdts;
- #endif
- } faacEncConfiguration, *faacEncConfigurationPtr;
- typedef struct {
- /* number of channels in AAC file */
- unsigned int numChannels;
- /* samplerate of AAC file */
- unsigned long sampleRate;
- unsigned int sampleRateIdx;
- unsigned int usedBytes;
- /* frame number */
- unsigned int frameNum;
- unsigned int flushFrame;
- /* Scalefactorband data */
- SR_INFO *srInfo;
- /* sample buffers of current next and next next frame*/
- double *sampleBuff[MAX_CHANNELS];
- double *nextSampleBuff[MAX_CHANNELS];
- double *next2SampleBuff[MAX_CHANNELS];
- double *ltpTimeBuff[MAX_CHANNELS];
- /* Filterbank buffers */
- double *sin_window_long;
- double *sin_window_short;
- double *kbd_window_long;
- double *kbd_window_short;
- double *freqBuff[MAX_CHANNELS];
- double *overlapBuff[MAX_CHANNELS];
- double *msSpectrum[MAX_CHANNELS];
- /* Channel and Coder data for all channels */
- CoderInfo coderInfo[MAX_CHANNELS];
- ChannelInfo channelInfo[MAX_CHANNELS];
- /* Psychoacoustics data */
- PsyInfo psyInfo[MAX_CHANNELS];
- GlobalPsyInfo gpsyInfo;
- /* Configuration data */
- faacEncConfiguration config;
- } faacEncStruct, *faacEncHandle;
- faacEncConfigurationPtr FAACAPI faacEncGetCurrentConfiguration(faacEncHandle hEncoder);
- int FAACAPI faacEncSetConfiguration (faacEncHandle hEncoder, faacEncConfigurationPtr config);
- faacEncHandle FAACAPI faacEncOpen(unsigned long sampleRate,
- unsigned int numChannels,
- unsigned long *inputSamples,
- unsigned long *maxOutputBytes);
- int FAACAPI faacEncEncode(faacEncHandle hEncoder,
- short *inputBuffer,
- unsigned int samplesInput,
- unsigned char *outputBuffer,
- unsigned int bufferSize
- );
- int FAACAPI faacEncClose(faacEncHandle hEncoder);
- #ifdef WIN32
- #pragma pack(pop)
- #endif
- #ifdef __cplusplus
- }
- #endif /* __cplusplus */
- #endif /* FRAME_H */