ref: ae8d07b2a4414678e636df580ab8da52bf1ad4fb
dir: /src/h264bsd_sei.c/
/*
* Copyright (C) 2009 The Android Open Source Project
* Modified for use by h264bsd standalone library
*
* 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.
*/
/*------------------------------------------------------------------------------
Table of contents
1. Include headers
2. External compiler flags
3. Module defines
4. Local function prototypes
5. Functions
h264bsdDecodeSeiMessage
DecodeBufferingPeriod
DecodePictureTiming
DecodePanScanRectangle
DecodeFillerPayload
DecodeUserDataRegisteredITuTT35
DecodeUserDataUnregistered
DecodeRecoveryPoint
DecodeDecRefPicMarkingRepetition
DecodeSparePic
DecodeSceneInfo
DecodeSubSeqInfo
DecodeSubSeqLayerCharacteristics
DecodeSubSeqCharacteristics
DecodeFullFrameFreeze
DecodeFullFrameSnapshot
DecodeProgressiveRefinementSegmentStart
DecodeProgressiveRefinementSegmentEnd
DecodeMotionConstrainedSliceGroupSet
DecodeReservedSeiMessage
------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------
1. Include headers
------------------------------------------------------------------------------*/
#include "h264bsd_sei.h"
#include "basetype.h"
#include "h264bsd_util.h"
#include "h264bsd_stream.h"
#include "h264bsd_vlc.h"
#include "h264bsd_seq_param_set.h"
#include "h264bsd_slice_header.h"
/*------------------------------------------------------------------------------
2. External compiler flags
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
3. Module defines
------------------------------------------------------------------------------*/
static const u32 numClockTS[9] = {1,1,1,2,2,3,3,2,3};
static const u32 ceilLog2NumSliceGroups[9] = {0,1,1,2,2,3,3,3,3};
/*------------------------------------------------------------------------------
4. Local function prototypes
------------------------------------------------------------------------------*/
static u32 DecodeBufferingPeriod(
strmData_t *pStrmData,
seiBufferingPeriod_t *pBufferingPeriod,
u32 cpbCnt,
u32 initialCpbRemovalDelayLength,
u32 nalHrdBpPresentFlag,
u32 vclHrdBpPresentFlag);
static u32 DecodePictureTiming(
strmData_t *pStrmData,
seiPicTiming_t *pPicTiming,
u32 cpbRemovalDelayLength,
u32 dpbOutputDelayLength,
u32 timeOffsetLength,
u32 cpbDpbDelaysPresentFlag,
u32 picStructPresentFlag);
static u32 DecodePanScanRectangle(
strmData_t *pStrmData,
seiPanScanRect_t *pPanScanRectangle);
static u32 DecodeFillerPayload(strmData_t *pStrmData, u32 payloadSize);
static u32 DecodeUserDataRegisteredITuTT35(
strmData_t *pStrmData,
seiUserDataRegisteredItuTT35_t *pUserDataRegisteredItuTT35,
u32 payloadSize);
static u32 DecodeUserDataUnregistered(
strmData_t *pStrmData,
seiUserDataUnregistered_t *pUserDataUnregistered,
u32 payloadSize);
static u32 DecodeRecoveryPoint(
strmData_t *pStrmData,
seiRecoveryPoint_t *pRecoveryPoint);
static u32 DecodeDecRefPicMarkingRepetition(
strmData_t *pStrmData,
seiDecRefPicMarkingRepetition_t *pDecRefPicMarkingRepetition,
u32 numRefFrames);
static u32 DecodeSparePic(
strmData_t *pStrmData,
seiSparePic_t *pSparePic,
u32 picSizeInMapUnits);
static u32 DecodeSceneInfo(
strmData_t *pStrmData,
seiSceneInfo_t *pSceneInfo);
static u32 DecodeSubSeqInfo(
strmData_t *pStrmData,
seiSubSeqInfo_t *pSubSeqInfo);
static u32 DecodeSubSeqLayerCharacteristics(
strmData_t *pStrmData,
seiSubSeqLayerCharacteristics_t *pSubSeqLayerCharacteristics);
static u32 DecodeSubSeqCharacteristics(
strmData_t *pStrmData,
seiSubSeqCharacteristics_t *pSubSeqCharacteristics);
static u32 DecodeFullFrameFreeze(
strmData_t *pStrmData,
seiFullFrameFreeze_t *pFullFrameFreeze);
static u32 DecodeFullFrameSnapshot(
strmData_t *pStrmData,
seiFullFrameSnapshot_t *pFullFrameSnapshot);
static u32 DecodeProgressiveRefinementSegmentStart(
strmData_t *pStrmData,
seiProgressiveRefinementSegmentStart_t *pProgressiveRefinementSegmentStart);
static u32 DecodeProgressiveRefinementSegmentEnd(
strmData_t *pStrmData,
seiProgressiveRefinementSegmentEnd_t *pProgressiveRefinementSegmentEnd);
static u32 DecodeMotionConstrainedSliceGroupSet(
strmData_t *pStrmData,
seiMotionConstrainedSliceGroupSet_t *pMotionConstrainedSliceGroupSet,
u32 numSliceGroups);
static u32 DecodeReservedSeiMessage(
strmData_t *pStrmData,
seiReservedSeiMessage_t *pReservedSeiMessage,
u32 payloadSize);
/*------------------------------------------------------------------------------
Function: h264bsdDecodeSeiMessage
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
u32 h264bsdDecodeSeiMessage(
strmData_t *pStrmData,
seqParamSet_t *pSeqParamSet,
seiMessage_t *pSeiMessage,
u32 numSliceGroups)
{
/* Variables */
u32 tmp, payloadType, payloadSize, status;
/* Code */
ASSERT(pStrmData);
ASSERT(pSeiMessage);
memset(pSeiMessage, 0, sizeof(seiMessage_t));
do
{
payloadType = 0;
while((tmp = h264bsdGetBits(pStrmData, 8)) == 0xFF)
{
payloadType += 255;
}
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
payloadType += tmp;
payloadSize = 0;
while((tmp = h264bsdGetBits(pStrmData, 8)) == 0xFF)
{
payloadSize += 255;
}
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
payloadSize += tmp;
pSeiMessage->payloadType = payloadType;
switch (payloadType)
{
case 0:
ASSERT(pSeqParamSet);
status = DecodeBufferingPeriod(
pStrmData,
&pSeiMessage->bufferingPeriod,
pSeqParamSet->vuiParameters->vclHrdParameters.cpbCnt,
pSeqParamSet->vuiParameters->vclHrdParameters.
initialCpbRemovalDelayLength,
pSeqParamSet->vuiParameters->nalHrdParametersPresentFlag,
pSeqParamSet->vuiParameters->vclHrdParametersPresentFlag);
break;
case 1:
ASSERT(pSeqParamSet->vuiParametersPresentFlag);
status = DecodePictureTiming(
pStrmData,
&pSeiMessage->picTiming,
pSeqParamSet->vuiParameters->vclHrdParameters.
cpbRemovalDelayLength,
pSeqParamSet->vuiParameters->vclHrdParameters.
dpbOutputDelayLength,
pSeqParamSet->vuiParameters->vclHrdParameters.
timeOffsetLength,
pSeqParamSet->vuiParameters->nalHrdParametersPresentFlag ||
pSeqParamSet->vuiParameters->vclHrdParametersPresentFlag ?
HANTRO_TRUE : HANTRO_FALSE,
pSeqParamSet->vuiParameters->picStructPresentFlag);
break;
case 2:
status = DecodePanScanRectangle(
pStrmData,
&pSeiMessage->panScanRect);
break;
case 3:
status = DecodeFillerPayload(pStrmData, payloadSize);
break;
case 4:
status = DecodeUserDataRegisteredITuTT35(
pStrmData,
&pSeiMessage->userDataRegisteredItuTT35,
payloadSize);
break;
case 5:
status = DecodeUserDataUnregistered(
pStrmData,
&pSeiMessage->userDataUnregistered,
payloadSize);
break;
case 6:
status = DecodeRecoveryPoint(
pStrmData,
&pSeiMessage->recoveryPoint);
break;
case 7:
status = DecodeDecRefPicMarkingRepetition(
pStrmData,
&pSeiMessage->decRefPicMarkingRepetition,
pSeqParamSet->numRefFrames);
break;
case 8:
ASSERT(pSeqParamSet);
status = DecodeSparePic(
pStrmData,
&pSeiMessage->sparePic,
pSeqParamSet->picWidthInMbs * pSeqParamSet->picHeightInMbs);
break;
case 9:
status = DecodeSceneInfo(
pStrmData,
&pSeiMessage->sceneInfo);
break;
case 10:
status = DecodeSubSeqInfo(
pStrmData,
&pSeiMessage->subSeqInfo);
break;
case 11:
status = DecodeSubSeqLayerCharacteristics(
pStrmData,
&pSeiMessage->subSeqLayerCharacteristics);
break;
case 12:
status = DecodeSubSeqCharacteristics(
pStrmData,
&pSeiMessage->subSeqCharacteristics);
break;
case 13:
status = DecodeFullFrameFreeze(
pStrmData,
&pSeiMessage->fullFrameFreeze);
break;
case 14: /* This SEI does not contain data, what to do ??? */
status = HANTRO_OK;
break;
case 15:
status = DecodeFullFrameSnapshot(
pStrmData,
&pSeiMessage->fullFrameSnapshot);
break;
case 16:
status = DecodeProgressiveRefinementSegmentStart(
pStrmData,
&pSeiMessage->progressiveRefinementSegmentStart);
break;
case 17:
status = DecodeProgressiveRefinementSegmentEnd(
pStrmData,
&pSeiMessage->progressiveRefinementSegmentEnd);
break;
case 18:
ASSERT(numSliceGroups);
status = DecodeMotionConstrainedSliceGroupSet(
pStrmData,
&pSeiMessage->motionConstrainedSliceGroupSet,
numSliceGroups);
break;
default:
status = DecodeReservedSeiMessage(
pStrmData,
&pSeiMessage->reservedSeiMessage,
payloadSize);
break;
}
if (status != HANTRO_OK)
return(status);
while (!h264bsdIsByteAligned(pStrmData))
{
if (h264bsdGetBits(pStrmData, 1) != 1)
return(HANTRO_NOK);
while (!h264bsdIsByteAligned(pStrmData))
{
if (h264bsdGetBits(pStrmData, 1) != 0)
return(HANTRO_NOK);
}
}
} while (h264bsdMoreRbspData(pStrmData));
return(h264bsdRbspTrailingBits(pStrmData));
}
/*------------------------------------------------------------------------------
Function: DecodeBufferingPeriod
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeBufferingPeriod(
strmData_t *pStrmData,
seiBufferingPeriod_t *pBufferingPeriod,
u32 cpbCnt,
u32 initialCpbRemovalDelayLength,
u32 nalHrdBpPresentFlag,
u32 vclHrdBpPresentFlag)
{
/* Variables */
u32 tmp, i;
/* Code */
ASSERT(pStrmData);
ASSERT(pBufferingPeriod);
ASSERT(cpbCnt);
ASSERT(initialCpbRemovalDelayLength);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pBufferingPeriod->seqParameterSetId);
if (tmp != HANTRO_OK)
return(tmp);
if (pBufferingPeriod->seqParameterSetId > 31)
return(HANTRO_NOK);
if (nalHrdBpPresentFlag)
{
for (i = 0; i < cpbCnt; i++)
{
tmp = h264bsdGetBits(pStrmData, initialCpbRemovalDelayLength);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp == 0)
return(HANTRO_NOK);
pBufferingPeriod->initialCpbRemovalDelay[i] = tmp;
tmp = h264bsdGetBits(pStrmData, initialCpbRemovalDelayLength);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pBufferingPeriod->initialCpbRemovalDelayOffset[i] = tmp;
}
}
if (vclHrdBpPresentFlag)
{
for (i = 0; i < cpbCnt; i++)
{
tmp = h264bsdGetBits(pStrmData, initialCpbRemovalDelayLength);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pBufferingPeriod->initialCpbRemovalDelay[i] = tmp;
tmp = h264bsdGetBits(pStrmData, initialCpbRemovalDelayLength);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pBufferingPeriod->initialCpbRemovalDelayOffset[i] = tmp;
}
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodePictureTiming
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodePictureTiming(
strmData_t *pStrmData,
seiPicTiming_t *pPicTiming,
u32 cpbRemovalDelayLength,
u32 dpbOutputDelayLength,
u32 timeOffsetLength,
u32 cpbDpbDelaysPresentFlag,
u32 picStructPresentFlag)
{
/* Variables */
u32 tmp, i;
i32 itmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pPicTiming);
if (cpbDpbDelaysPresentFlag)
{
tmp = h264bsdGetBits(pStrmData, cpbRemovalDelayLength);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->cpbRemovalDelay = tmp;
tmp = h264bsdGetBits(pStrmData, dpbOutputDelayLength);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->dpbOutputDelay = tmp;
}
if (picStructPresentFlag)
{
tmp = h264bsdGetBits(pStrmData, 4);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 8)
return(HANTRO_NOK);
pPicTiming->picStruct = tmp;
for (i = 0; i < numClockTS[pPicTiming->picStruct]; i++)
{
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->clockTimeStampFlag[i] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
if (pPicTiming->clockTimeStampFlag[i])
{
tmp = h264bsdGetBits(pStrmData, 2);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->ctType[i] = tmp;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->nuitFieldBasedFlag[i] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 5);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 6)
return(HANTRO_NOK);
pPicTiming->countingType[i] = tmp;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->fullTimeStampFlag[i] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->discontinuityFlag[i] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->cntDroppedFlag[i] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 8);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->nFrames[i] = tmp;
if (pPicTiming->fullTimeStampFlag[i])
{
tmp = h264bsdGetBits(pStrmData, 6);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 59)
return(HANTRO_NOK);
pPicTiming->secondsValue[i] = tmp;
tmp = h264bsdGetBits(pStrmData, 6);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 59)
return(HANTRO_NOK);
pPicTiming->minutesValue[i] = tmp;
tmp = h264bsdGetBits(pStrmData, 5);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 23)
return(HANTRO_NOK);
pPicTiming->hoursValue[i] = tmp;
}
else
{
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->secondsFlag[i] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
if (pPicTiming->secondsFlag[i])
{
tmp = h264bsdGetBits(pStrmData, 6);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 59)
return(HANTRO_NOK);
pPicTiming->secondsValue[i] = tmp;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->minutesFlag[i] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
if (pPicTiming->minutesFlag[i])
{
tmp = h264bsdGetBits(pStrmData, 6);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 59)
return(HANTRO_NOK);
pPicTiming->minutesValue[i] = tmp;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPicTiming->hoursFlag[i] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
if (pPicTiming->hoursFlag[i])
{
tmp = h264bsdGetBits(pStrmData, 5);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 23)
return(HANTRO_NOK);
pPicTiming->hoursValue[i] = tmp;
}
}
}
}
if (timeOffsetLength)
{
tmp = h264bsdGetBits(pStrmData, timeOffsetLength);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
itmp = (i32)tmp;
/* following "converts" timeOffsetLength-bit signed
* integer into i32 */
/*lint -save -e701 -e702 */
itmp <<= (32 - timeOffsetLength);
itmp >>= (32 - timeOffsetLength);
/*lint -restore */
pPicTiming->timeOffset[i] = itmp;
}
else
pPicTiming->timeOffset[i] = 0;
}
}
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodePanScanRectangle
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodePanScanRectangle(
strmData_t *pStrmData,
seiPanScanRect_t *pPanScanRectangle)
{
/* Variables */
u32 tmp, i;
/* Code */
ASSERT(pStrmData);
ASSERT(pPanScanRectangle);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pPanScanRectangle->panScanRectId);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pPanScanRectangle->panScanRectCancelFlag = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
if (!pPanScanRectangle->panScanRectCancelFlag)
{
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pPanScanRectangle->panScanCnt);
if (tmp != HANTRO_OK)
return(tmp);
if (pPanScanRectangle->panScanCnt > 2)
return(HANTRO_NOK);
pPanScanRectangle->panScanCnt++;
for (i = 0; i < pPanScanRectangle->panScanCnt; i++)
{
tmp = h264bsdDecodeExpGolombSigned(pStrmData,
&pPanScanRectangle->panScanRectLeftOffset[i]);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdDecodeExpGolombSigned(pStrmData,
&pPanScanRectangle->panScanRectRightOffset[i]);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdDecodeExpGolombSigned(pStrmData,
&pPanScanRectangle->panScanRectTopOffset[i]);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdDecodeExpGolombSigned(pStrmData,
&pPanScanRectangle->panScanRectBottomOffset[i]);
if (tmp != HANTRO_OK)
return(tmp);
}
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pPanScanRectangle->panScanRectRepetitionPeriod);
if (tmp != HANTRO_OK)
return(tmp);
if (pPanScanRectangle->panScanRectRepetitionPeriod > 16384)
return(HANTRO_NOK);
if (pPanScanRectangle->panScanCnt > 1 &&
pPanScanRectangle->panScanRectRepetitionPeriod > 1)
return(HANTRO_NOK);
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeFillerPayload
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeFillerPayload(strmData_t *pStrmData, u32 payloadSize)
{
/* Variables */
/* Code */
ASSERT(pStrmData);
if (payloadSize)
if (h264bsdFlushBits(pStrmData, 8 * payloadSize) == END_OF_STREAM)
return(HANTRO_NOK);
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeUserDataRegisteredITuTT35
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeUserDataRegisteredITuTT35(
strmData_t *pStrmData,
seiUserDataRegisteredItuTT35_t *pUserDataRegisteredItuTT35,
u32 payloadSize)
{
/* Variables */
u32 tmp, i, j;
/* Code */
ASSERT(pStrmData);
ASSERT(pUserDataRegisteredItuTT35);
ASSERT(payloadSize);
tmp = h264bsdGetBits(pStrmData, 8);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pUserDataRegisteredItuTT35->ituTT35CountryCode = tmp;
if (pUserDataRegisteredItuTT35->ituTT35CountryCode != 0xFF)
i = 1;
else
{
tmp = h264bsdGetBits(pStrmData, 8);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pUserDataRegisteredItuTT35->ituTT35CountryCodeExtensionByte = tmp;
i = 2;
}
/* where corresponding FREE() ??? */
ALLOCATE(pUserDataRegisteredItuTT35->ituTT35PayloadByte,payloadSize-i,u8);
pUserDataRegisteredItuTT35->numPayloadBytes = payloadSize - i;
if (pUserDataRegisteredItuTT35->ituTT35PayloadByte == NULL)
return(MEMORY_ALLOCATION_ERROR);
j = 0;
do
{
tmp = h264bsdGetBits(pStrmData, 8);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pUserDataRegisteredItuTT35->ituTT35PayloadByte[j] = (u8)tmp;
i++;
j++;
} while (i < payloadSize);
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeUserDataUnregistered
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeUserDataUnregistered(
strmData_t *pStrmData,
seiUserDataUnregistered_t *pUserDataUnregistered,
u32 payloadSize)
{
/* Variables */
u32 i, tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pUserDataUnregistered);
for (i = 0; i < 4; i++)
{
pUserDataUnregistered->uuidIsoIec11578[i] = h264bsdShowBits32(pStrmData);
if (h264bsdFlushBits(pStrmData,32) == END_OF_STREAM)
return(HANTRO_NOK);
}
/* where corresponding FREE() ??? */
ALLOCATE(pUserDataUnregistered->userDataPayloadByte, payloadSize - 16, u8);
if (pUserDataUnregistered->userDataPayloadByte == NULL)
return(MEMORY_ALLOCATION_ERROR);
pUserDataUnregistered->numPayloadBytes = payloadSize - 16;
for (i = 0; i < payloadSize - 16; i++)
{
tmp = h264bsdGetBits(pStrmData, 8);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pUserDataUnregistered->userDataPayloadByte[i] = (u8)tmp;
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeRecoveryPoint
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeRecoveryPoint(
strmData_t *pStrmData,
seiRecoveryPoint_t *pRecoveryPoint)
{
/* Variables */
u32 tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pRecoveryPoint);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pRecoveryPoint->recoveryFrameCnt);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pRecoveryPoint->exactMatchFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pRecoveryPoint->brokenLinkFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 2);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
if (tmp > 2)
return(HANTRO_NOK);
pRecoveryPoint->changingSliceGroupIdc = tmp;
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeDecRefPicMarkingRepetition
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeDecRefPicMarkingRepetition(
strmData_t *pStrmData,
seiDecRefPicMarkingRepetition_t *pDecRefPicMarkingRepetition,
u32 numRefFrames)
{
/* Variables */
u32 tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pDecRefPicMarkingRepetition);
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pDecRefPicMarkingRepetition->originalIdrFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pDecRefPicMarkingRepetition->originalFrameNum);
if (tmp != HANTRO_OK)
return(tmp);
/* frame_mbs_only_flag assumed always true so some field related syntax
* elements are skipped, see H.264 standard */
// tmp = h264bsdDecRefPicMarking(pStrmData,
// &pDecRefPicMarkingRepetition->decRefPicMarking, NAL_SEI, numRefFrames);
return(HANTRO_NOK);
return(tmp);
}
/*------------------------------------------------------------------------------
Function: DecodeSparePic
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeSparePic(
strmData_t *pStrmData,
seiSparePic_t *pSparePic,
u32 picSizeInMapUnits)
{
/* Variables */
u32 tmp, i, j, mapUnitCnt;
/* Code */
ASSERT(pStrmData);
ASSERT(pSparePic);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSparePic->targetFrameNum);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSparePic->spareFieldFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
/* do not accept fields */
if (pSparePic->spareFieldFlag)
return(HANTRO_NOK);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, &pSparePic->numSparePics);
if (tmp != HANTRO_OK)
return(tmp);
pSparePic->numSparePics++;
if (pSparePic->numSparePics > MAX_NUM_SPARE_PICS)
return(HANTRO_NOK);
for (i = 0; i < pSparePic->numSparePics; i++)
{
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSparePic->deltaSpareFrameNum[i]);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSparePic->spareAreaIdc[i]);
if (tmp != HANTRO_OK)
return(tmp);
if (pSparePic->spareAreaIdc[i] > 2)
return(HANTRO_NOK);
if (pSparePic->spareAreaIdc[i] == 1)
{
/* where corresponding FREE() ??? */
ALLOCATE(pSparePic->spareUnitFlag[i], picSizeInMapUnits, u32);
if (pSparePic->spareUnitFlag[i] == NULL)
return(MEMORY_ALLOCATION_ERROR);
pSparePic->zeroRunLength[i] = NULL;
for (j = 0; j < picSizeInMapUnits; j++)
{
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSparePic->spareUnitFlag[i][j] = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
}
}
else if (pSparePic->spareAreaIdc[i] == 2)
{
/* where corresponding FREE() ??? */
ALLOCATE(pSparePic->zeroRunLength[i], picSizeInMapUnits, u32);
if (pSparePic->zeroRunLength[i] == NULL)
return(MEMORY_ALLOCATION_ERROR);
pSparePic->spareUnitFlag[i] = NULL;
for (j = 0, mapUnitCnt = 0; mapUnitCnt < picSizeInMapUnits; j++)
{
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSparePic->zeroRunLength[i][j]);
if (tmp != HANTRO_OK)
return(tmp);
mapUnitCnt += pSparePic->zeroRunLength[i][j] + 1;
}
}
}
/* set rest to null */
for (i = pSparePic->numSparePics; i < MAX_NUM_SPARE_PICS; i++)
{
pSparePic->spareUnitFlag[i] = NULL;
pSparePic->zeroRunLength[i] = NULL;
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeSceneInfo
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeSceneInfo(
strmData_t *pStrmData,
seiSceneInfo_t *pSceneInfo)
{
/* Variables */
u32 tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pSceneInfo);
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSceneInfo->sceneInfoPresentFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
if (pSceneInfo->sceneInfoPresentFlag)
{
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, &pSceneInfo->sceneId);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSceneInfo->sceneTransitionType);
if (tmp != HANTRO_OK)
return(tmp);
if (pSceneInfo->sceneTransitionType > 6)
return(HANTRO_NOK);
if (pSceneInfo->sceneTransitionType)
{
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSceneInfo->secondSceneId);
if (tmp != HANTRO_OK)
return(tmp);
}
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeSubSeqInfo
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
-----------------------------------------------------------------------------*/
static u32 DecodeSubSeqInfo(
strmData_t *pStrmData,
seiSubSeqInfo_t *pSubSeqInfo)
{
/* Variables */
u32 tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pSubSeqInfo);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSubSeqInfo->subSeqLayerNum);
if (tmp != HANTRO_OK)
return(tmp);
if (pSubSeqInfo->subSeqLayerNum > 255)
return(HANTRO_NOK);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, &pSubSeqInfo->subSeqId);
if (tmp != HANTRO_OK)
return(tmp);
if (pSubSeqInfo->subSeqId > 65535)
return(HANTRO_NOK);
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqInfo->firstRefPicFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqInfo->leadingNonRefPicFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqInfo->lastPicFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqInfo->subSeqFrameNumFlag = tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
if (pSubSeqInfo->subSeqFrameNumFlag)
{
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSubSeqInfo->subSeqFrameNum);
if (tmp != HANTRO_OK)
return(tmp);
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeSubSeqLayerCharacteristics
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeSubSeqLayerCharacteristics(
strmData_t *pStrmData,
seiSubSeqLayerCharacteristics_t *pSubSeqLayerCharacteristics)
{
/* Variables */
u32 tmp, i;
/* Code */
ASSERT(pStrmData);
ASSERT(pSubSeqLayerCharacteristics);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSubSeqLayerCharacteristics->numSubSeqLayers);
if (tmp != HANTRO_OK)
return(tmp);
pSubSeqLayerCharacteristics->numSubSeqLayers++;
if (pSubSeqLayerCharacteristics->numSubSeqLayers > MAX_NUM_SUB_SEQ_LAYERS)
return(HANTRO_NOK);
for (i = 0; i < pSubSeqLayerCharacteristics->numSubSeqLayers; i++)
{
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqLayerCharacteristics->accurateStatisticsFlag[i] =
tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 16);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqLayerCharacteristics->averageBitRate[i] = tmp;
tmp = h264bsdGetBits(pStrmData, 16);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqLayerCharacteristics->averageFrameRate[i] = tmp;
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeSubSeqCharacteristics
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeSubSeqCharacteristics(
strmData_t *pStrmData,
seiSubSeqCharacteristics_t *pSubSeqCharacteristics)
{
/* Variables */
u32 tmp, i;
/* Code */
ASSERT(pStrmData);
ASSERT(pSubSeqCharacteristics);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSubSeqCharacteristics->subSeqLayerNum);
if (tmp != HANTRO_OK)
return(tmp);
if (pSubSeqCharacteristics->subSeqLayerNum > MAX_NUM_SUB_SEQ_LAYERS-1)
return(HANTRO_NOK);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSubSeqCharacteristics->subSeqId);
if (tmp != HANTRO_OK)
return(tmp);
if (pSubSeqCharacteristics->subSeqId > 65535)
return(HANTRO_NOK);
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqCharacteristics->durationFlag = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
if (pSubSeqCharacteristics->durationFlag)
{
pSubSeqCharacteristics->subSeqDuration = h264bsdShowBits32(pStrmData);
if (h264bsdFlushBits(pStrmData,32) == END_OF_STREAM)
return(HANTRO_NOK);
}
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqCharacteristics->averageRateFlag = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
if (pSubSeqCharacteristics->averageRateFlag)
{
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqCharacteristics->accurateStatisticsFlag =
tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 16);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqCharacteristics->averageBitRate = tmp;
tmp = h264bsdGetBits(pStrmData, 16);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqCharacteristics->averageFrameRate = tmp;
}
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSubSeqCharacteristics->numReferencedSubseqs);
if (tmp != HANTRO_OK)
return(tmp);
if (pSubSeqCharacteristics->numReferencedSubseqs > MAX_NUM_SUB_SEQ_LAYERS-1)
return(HANTRO_NOK);
for (i = 0; i < pSubSeqCharacteristics->numReferencedSubseqs; i++)
{
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSubSeqCharacteristics->refSubSeqLayerNum[i]);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pSubSeqCharacteristics->refSubSeqId[i]);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pSubSeqCharacteristics->refSubSeqDirection[i] = tmp;
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeFullFrameFreeze
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeFullFrameFreeze(
strmData_t *pStrmData,
seiFullFrameFreeze_t *pFullFrameFreeze)
{
/* Variables */
u32 tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pFullFrameFreeze);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pFullFrameFreeze->fullFrameFreezeRepetitionPeriod);
if (tmp != HANTRO_OK)
return(tmp);
if (pFullFrameFreeze->fullFrameFreezeRepetitionPeriod > 16384)
return(HANTRO_NOK);
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeFullFrameSnapshot
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeFullFrameSnapshot(
strmData_t *pStrmData,
seiFullFrameSnapshot_t *pFullFrameSnapshot)
{
/* Variables */
u32 tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pFullFrameSnapshot);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pFullFrameSnapshot->snapShotId);
if (tmp != HANTRO_OK)
return(tmp);
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeProgressiveRefinementSegmentStart
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeProgressiveRefinementSegmentStart(
strmData_t *pStrmData,
seiProgressiveRefinementSegmentStart_t *pProgressiveRefinementSegmentStart)
{
/* Variables */
u32 tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pProgressiveRefinementSegmentStart);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pProgressiveRefinementSegmentStart->progressiveRefinementId);
if (tmp != HANTRO_OK)
return(tmp);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pProgressiveRefinementSegmentStart->numRefinementSteps);
if (tmp != HANTRO_OK)
return(tmp);
pProgressiveRefinementSegmentStart->numRefinementSteps++;
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeProgressiveRefinementSegmentEnd
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeProgressiveRefinementSegmentEnd(
strmData_t *pStrmData,
seiProgressiveRefinementSegmentEnd_t *pProgressiveRefinementSegmentEnd)
{
/* Variables */
u32 tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pProgressiveRefinementSegmentEnd);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pProgressiveRefinementSegmentEnd->progressiveRefinementId);
if (tmp != HANTRO_OK)
return(tmp);
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeMotionConstrainedSliceGroupSet
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeMotionConstrainedSliceGroupSet(
strmData_t *pStrmData,
seiMotionConstrainedSliceGroupSet_t *pMotionConstrainedSliceGroupSet,
u32 numSliceGroups)
{
/* Variables */
u32 tmp,i;
/* Code */
ASSERT(pStrmData);
ASSERT(pMotionConstrainedSliceGroupSet);
ASSERT(numSliceGroups < MAX_NUM_SLICE_GROUPS);
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pMotionConstrainedSliceGroupSet->numSliceGroupsInSet);
if (tmp != HANTRO_OK)
return(tmp);
pMotionConstrainedSliceGroupSet->numSliceGroupsInSet++;
if (pMotionConstrainedSliceGroupSet->numSliceGroupsInSet > numSliceGroups)
return(HANTRO_NOK);
for (i = 0; i < pMotionConstrainedSliceGroupSet->numSliceGroupsInSet; i++)
{
tmp = h264bsdGetBits(pStrmData,
ceilLog2NumSliceGroups[numSliceGroups]);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pMotionConstrainedSliceGroupSet->sliceGroupId[i] = tmp;
if (pMotionConstrainedSliceGroupSet->sliceGroupId[i] >
pMotionConstrainedSliceGroupSet->numSliceGroupsInSet-1)
return(HANTRO_NOK);
}
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pMotionConstrainedSliceGroupSet->exactSampleValueMatchFlag =
tmp == 1 ? HANTRO_TRUE : HANTRO_FALSE;
tmp = h264bsdGetBits(pStrmData, 1);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pMotionConstrainedSliceGroupSet->panScanRectFlag = tmp == 1 ?
HANTRO_TRUE : HANTRO_FALSE;
if (pMotionConstrainedSliceGroupSet->panScanRectFlag)
{
tmp = h264bsdDecodeExpGolombUnsigned(pStrmData,
&pMotionConstrainedSliceGroupSet->panScanRectId);
if (tmp != HANTRO_OK)
return(tmp);
}
return(HANTRO_OK);
}
/*------------------------------------------------------------------------------
Function: DecodeReservedSeiMessage
Functional description:
<++>
Inputs:
<++>
Outputs:
<++>
------------------------------------------------------------------------------*/
static u32 DecodeReservedSeiMessage(
strmData_t *pStrmData,
seiReservedSeiMessage_t *pReservedSeiMessage,
u32 payloadSize)
{
/* Variables */
u32 i, tmp;
/* Code */
ASSERT(pStrmData);
ASSERT(pReservedSeiMessage);
/* where corresponding FREE() ??? */
ALLOCATE(pReservedSeiMessage->reservedSeiMessagePayloadByte,payloadSize,u8);
if (pReservedSeiMessage->reservedSeiMessagePayloadByte == NULL)
return(MEMORY_ALLOCATION_ERROR);
pReservedSeiMessage->numPayloadBytes = payloadSize;
for (i = 0; i < payloadSize; i++)
{
tmp = h264bsdGetBits(pStrmData,8);
if (tmp == END_OF_STREAM)
return(HANTRO_NOK);
pReservedSeiMessage->reservedSeiMessagePayloadByte[i] = (u8)tmp;
}
return(HANTRO_OK);
}