ref: 064740662b4b78775c62f610a84dc17969a1aabf
dir: /common/mp4av/mp4av_mpeg4.h/
/*
* 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 __MP4AV_MPEG4_INCLUDED__
#define __MP4AV_MPEG4_INCLUDED__
#define MP4AV_MPEG4_SYNC 0x000001
#define MP4AV_MPEG4_VOSH_START 0xB0
#define MP4AV_MPEG4_VOL_START 0x20
#define MP4AV_MPEG4_GOV_START 0xB3
#define MP4AV_MPEG4_VO_START 0xB5
#define MP4AV_MPEG4_VOP_START 0xB6
#ifdef __cplusplus
extern "C" {
#endif
uint8_t *MP4AV_Mpeg4FindVosh(uint8_t *pBuf, uint32_t bufLen);
bool MP4AV_Mpeg4ParseVosh(
u_int8_t* pVoshBuf,
u_int32_t voshSize,
u_int8_t* pProfileLevel);
bool MP4AV_Mpeg4CreateVosh(
u_int8_t** ppBytes,
u_int32_t* pNumBytes,
u_int8_t profileLevel);
bool MP4AV_Mpeg4CreateVo(
u_int8_t** ppBytes,
u_int32_t* pNumBytes,
u_int8_t objectId);
uint8_t *MP4AV_Mpeg4FindVol(uint8_t *pBuf, uint32_t buflen);
bool MP4AV_Mpeg4ParseVol(
u_int8_t* pVolBuf,
u_int32_t volSize,
u_int8_t* pTimeBits,
u_int16_t* pTimeTicks,
u_int16_t* pFrameDuration,
u_int16_t* pFrameWidth,
u_int16_t* pFrameHeight);
bool MP4AV_Mpeg4CreateVol(
u_int8_t** ppBytes,
u_int32_t* pNumBytes,
u_int8_t profile,
float frameRate,
bool shortTime,
bool variableRate,
u_int16_t width,
u_int16_t height,
u_int8_t quantType,
u_int8_t* pTimeBits DEFAULT_PARM(NULL));
bool MP4AV_Mpeg4ParseGov(
u_int8_t* pGovBuf,
u_int32_t govSize,
u_int8_t* pHours,
u_int8_t* pMinutes,
u_int8_t* pSeconds);
bool MP4AV_Mpeg4ParseVop(
u_int8_t* pVopBuf,
u_int32_t vopSize,
u_char* pVopType,
u_int8_t timeBits,
u_int16_t timeTicks,
u_int32_t* pVopTimeIncrement);
u_int8_t MP4AV_Mpeg4VideoToSystemsProfileLevel(
u_int8_t videoProfileLevel);
u_char MP4AV_Mpeg4GetVopType(
u_int8_t* pVopBuf,
u_int32_t vopSize);
#ifdef __cplusplus
}
#endif
#endif /* __MP4AV_MPEG4_INCLUDED__ */