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android / platform / frameworks / av / c23e3dd8af7397f023aae040c4a03dd14091cbed / . / media / libstagefright / codecs / m4v_h263 / enc / src / mp4enc_api.cpp
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/* ------------------------------------------------------------------
* Copyright (C) 1998-2009 PacketVideo
*
* 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.
* -------------------------------------------------------------------
*/
#include <stdint.h>
#include "mp4enc_lib.h"
#include "bitstream_io.h"
#include "rate_control.h"
#include "m4venc_oscl.h"
/* Inverse normal zigzag */
const static Int zigzag_i[NCOEFF_BLOCK] =
{
0, 1, 8, 16, 9, 2, 3, 10,
17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34,
27, 20, 13, 6, 7, 14, 21, 28,
35, 42, 49, 56, 57, 50, 43, 36,
29, 22, 15, 23, 30, 37, 44, 51,
58, 59, 52, 45, 38, 31, 39, 46,
53, 60, 61, 54, 47, 55, 62, 63
};
/* INTRA */
const static Int mpeg_iqmat_def[NCOEFF_BLOCK] =
{ 8, 17, 18, 19, 21, 23, 25, 27,
17, 18, 19, 21, 23, 25, 27, 28,
20, 21, 22, 23, 24, 26, 28, 30,
21, 22, 23, 24, 26, 28, 30, 32,
22, 23, 24, 26, 28, 30, 32, 35,
23, 24, 26, 28, 30, 32, 35, 38,
25, 26, 28, 30, 32, 35, 38, 41,
27, 28, 30, 32, 35, 38, 41, 45
};
/* INTER */
const static Int mpeg_nqmat_def[64] =
{ 16, 17, 18, 19, 20, 21, 22, 23,
17, 18, 19, 20, 21, 22, 23, 24,
18, 19, 20, 21, 22, 23, 24, 25,
19, 20, 21, 22, 23, 24, 26, 27,
20, 21, 22, 23, 25, 26, 27, 28,
21, 22, 23, 24, 26, 27, 28, 30,
22, 23, 24, 26, 27, 28, 30, 31,
23, 24, 25, 27, 28, 30, 31, 33
};
/* Profiles and levels */
/* Simple profile(level 0-3) and Core profile (level 1-2) */
/* {SPL0, SPL1, SPL2, SPL3, CPL1, CPL2, CPL2, CPL2} , SPL0: Simple Profile@Level0, CPL1: Core Profile@Level1, the last two are redundant for easy table manipulation */
const static Int profile_level_code[8] =
{
0x08, 0x01, 0x02, 0x03, 0x21, 0x22, 0x22, 0x22
};
const static Int profile_level_max_bitrate[8] =
{
64000, 64000, 128000, 384000, 384000, 2000000, 2000000, 2000000
};
const static Int profile_level_max_packet_size[8] =
{
2048, 2048, 4096, 8192, 4096, 8192, 8192, 8192
};
const static Int profile_level_max_mbsPerSec[8] =
{
1485, 1485, 5940, 11880, 5940, 23760, 23760, 23760
};
const static Int profile_level_max_VBV_size[8] =
{
163840, 163840, 655360, 655360, 262144, 1310720, 1310720, 1310720
};
/* Simple scalable profile (level 0-2) and Core scalable profile (level 1-3) */
/* {SSPL0, SSPL1, SSPL2, SSPL2, CSPL1, CSPL2, CSPL3, CSPL3} , SSPL0: Simple Scalable Profile@Level0, CSPL1: Core Scalable Profile@Level1, the fourth is redundant for easy table manipulation */
const static Int scalable_profile_level_code[8] =
{
0x10, 0x11, 0x12, 0x12, 0xA1, 0xA2, 0xA3, 0xA3
};
const static Int scalable_profile_level_max_bitrate[8] =
{
128000, 128000, 256000, 256000, 768000, 1500000, 4000000, 4000000
};
/* in bits */
const static Int scalable_profile_level_max_packet_size[8] =
{
2048, 2048, 4096, 4096, 4096, 4096, 16384, 16384
};
const static Int scalable_profile_level_max_mbsPerSec[8] =
{
1485, 7425, 23760, 23760, 14850, 29700, 120960, 120960
};
const static Int scalable_profile_level_max_VBV_size[8] =
{
163840, 655360, 655360, 655360, 1048576, 1310720, 1310720, 1310720
};
/* H263 profile 0 @ level 10-70 */
const static Int h263Level[8] = {0, 10, 20, 30, 40, 50, 60, 70};
const static float rBR_bound[8] = {0, 1, 2, 6, 32, 64, 128, 256};
const static float max_h263_framerate[2] = {(float)30000 / (float)2002,
(float)30000 / (float)1001
};
const static Int max_h263_width[2] = {176, 352};
const static Int max_h263_height[2] = {144, 288};
/* 6/2/2001, newly added functions to make PVEncodeVop more readable. */
Int DetermineCodingLayer(VideoEncData *video, Int *nLayer, ULong modTime);
void DetermineVopType(VideoEncData *video, Int currLayer);
Int UpdateSkipNextFrame(VideoEncData *video, ULong *modTime, Int *size, PV_STATUS status);
Bool SetProfile_BufferSize(VideoEncData *video, float delay, Int bInitialized);
#ifdef PRINT_RC_INFO
extern FILE *facct;
extern int tiTotalNumBitsGenerated;
extern int iStuffBits;
#endif
#ifdef PRINT_EC
extern FILE *fec;
#endif
/* ======================================================================== */
/* Function : PVGetDefaultEncOption() */
/* Date : 12/12/2005 */
/* Purpose : */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVGetDefaultEncOption(VideoEncOptions *encOption, Int encUseCase)
{
VideoEncOptions defaultUseCase = {H263_MODE, profile_level_max_packet_size[SIMPLE_PROFILE_LEVEL0] >> 3,
SIMPLE_PROFILE_LEVEL0, PV_OFF, 0, 1, 1000, 33, {144, 144}, {176, 176}, {15, 30}, {64000, 128000},
{10, 10}, {12, 12}, {0, 0}, CBR_1, 0.0, PV_OFF, -1, 0, PV_OFF, 16, PV_OFF, 0, PV_ON
};
OSCL_UNUSED_ARG(encUseCase); // unused for now. Later we can add more defaults setting and use this
// argument to select the right one.
/* in the future we can create more meaningful use-cases */
if (encOption == NULL)
{
return PV_FALSE;
}
M4VENC_MEMCPY(encOption, &defaultUseCase, sizeof(VideoEncOptions));
return PV_TRUE;
}
/* ======================================================================== */
/* Function : PVInitVideoEncoder() */
/* Date : 08/22/2000 */
/* Purpose : Initialization of MP4 Encoder and VO bitstream */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : 5/21/01, allocate only yChan and assign uChan & vChan */
/* 12/12/05, add encoding option as input argument */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVInitVideoEncoder(VideoEncControls *encoderControl, VideoEncOptions *encOption)
{
Bool status = PV_TRUE;
Int nLayers, idx, i, j;
Int max = 0, max_width = 0, max_height = 0, pitch, offset;
Int size = 0, nTotalMB = 0;
VideoEncData *video;
Vol *pVol;
VideoEncParams *pEncParams;
Int temp_w, temp_h, mbsPerSec;
/******************************************/
/* this part use to be PVSetEncode() */
Int profile_table_index, *profile_level_table;
Int profile_level = encOption->profile_level;
Int PacketSize = encOption->packetSize << 3;
Int timeInc, timeIncRes;
float profile_max_framerate;
VideoEncParams *encParams;
if (encoderControl->videoEncoderData) /* this has been called */
{
if (encoderControl->videoEncoderInit) /* check if PVInitVideoEncoder() has been called */
{
PVCleanUpVideoEncoder(encoderControl);
encoderControl->videoEncoderInit = 0;
}
M4VENC_FREE(encoderControl->videoEncoderData);
encoderControl->videoEncoderData = NULL;
}
encoderControl->videoEncoderInit = 0; /* reset this value */
video = (VideoEncData *)M4VENC_MALLOC(sizeof(VideoEncData)); /* allocate memory for encData */
if (video == NULL)
return PV_FALSE;
M4VENC_MEMSET(video, 0, sizeof(VideoEncData));
encoderControl->videoEncoderData = (void *) video; /* set up pointer in VideoEncData structure */
video->encParams = (VideoEncParams *)M4VENC_MALLOC(sizeof(VideoEncParams));
if (video->encParams == NULL)
goto CLEAN_UP;
M4VENC_MEMSET(video->encParams, 0, sizeof(VideoEncParams));
encParams = video->encParams;
encParams->nLayers = encOption->numLayers;
/* Check whether the input packetsize is valid (Note: put code here (before any memory allocation) in order to avoid memory leak */
if ((Int)profile_level < (Int)(SIMPLE_SCALABLE_PROFILE_LEVEL0)) /* non-scalable profile */
{
profile_level_table = (Int *)profile_level_max_packet_size;
profile_table_index = (Int)profile_level;
if (encParams->nLayers != 1)
{
goto CLEAN_UP;
}
encParams->LayerMaxMbsPerSec[0] = profile_level_max_mbsPerSec[profile_table_index];
}
else /* scalable profile */
{
profile_level_table = (Int *)scalable_profile_level_max_packet_size;
profile_table_index = (Int)profile_level - (Int)(SIMPLE_SCALABLE_PROFILE_LEVEL0);
if (encParams->nLayers < 2)
{
goto CLEAN_UP;
}
for (i = 0; i < encParams->nLayers; i++)
{
encParams->LayerMaxMbsPerSec[i] = scalable_profile_level_max_mbsPerSec[profile_table_index];
}
}
/* cannot have zero size packet with these modes */
if (PacketSize == 0)
{
if (encOption->encMode == DATA_PARTITIONING_MODE)
{
goto CLEAN_UP;
}
if (encOption->encMode == COMBINE_MODE_WITH_ERR_RES)
{
encOption->encMode = COMBINE_MODE_NO_ERR_RES;
}
}
if (encOption->gobHeaderInterval == 0)
{
if (encOption->encMode == H263_MODE_WITH_ERR_RES)
{
encOption->encMode = H263_MODE;
}
if (encOption->encMode == SHORT_HEADER_WITH_ERR_RES)
{
encOption->encMode = SHORT_HEADER;
}
}
if (PacketSize > profile_level_table[profile_table_index])
goto CLEAN_UP;
/* Initial Defaults for all Modes */
encParams->SequenceStartCode = 1;
encParams->GOV_Enabled = 0;
encParams->RoundingType = 0;
encParams->IntraDCVlcThr = PV_MAX(PV_MIN(encOption->intraDCVlcTh, 7), 0);
encParams->ACDCPrediction = ((encOption->useACPred == PV_ON) ? TRUE : FALSE);
encParams->RC_Type = encOption->rcType;
encParams->Refresh = encOption->numIntraMB;
encParams->ResyncMarkerDisable = 0; /* Enable Resync Marker */
for (i = 0; i < encOption->numLayers; i++)
{
#ifdef NO_MPEG_QUANT
encParams->QuantType[i] = 0;
#else
encParams->QuantType[i] = encOption->quantType[i]; /* H263 */
#endif
if (encOption->pQuant[i] >= 1 && encOption->pQuant[i] <= 31)
{
encParams->InitQuantPvop[i] = encOption->pQuant[i];
}
else
{
goto CLEAN_UP;
}
if (encOption->iQuant[i] >= 1 && encOption->iQuant[i] <= 31)
{
encParams->InitQuantIvop[i] = encOption->iQuant[i];
}
else
{
goto CLEAN_UP;
}
}
encParams->HalfPel_Enabled = 1;
encParams->SearchRange = encOption->searchRange; /* 4/16/2001 */
encParams->FullSearch_Enabled = 0;
#ifdef NO_INTER4V
encParams->MV8x8_Enabled = 0;
#else
encParams->MV8x8_Enabled = 0;// comment out for now!! encOption->mv8x8Enable;
#endif
encParams->H263_Enabled = 0;
encParams->GOB_Header_Interval = 0; // need to be reset to 0
encParams->IntraPeriod = encOption->intraPeriod; /* Intra update period update default*/
encParams->SceneChange_Det = encOption->sceneDetect;
encParams->FineFrameSkip_Enabled = 0;
encParams->NoFrameSkip_Enabled = encOption->noFrameSkipped;
encParams->NoPreSkip_Enabled = encOption->noFrameSkipped;
encParams->GetVolHeader[0] = 0;
encParams->GetVolHeader[1] = 0;
encParams->ResyncPacketsize = encOption->packetSize << 3;
encParams->LayerMaxBitRate[0] = 0;
encParams->LayerMaxBitRate[1] = 0;
encParams->LayerMaxFrameRate[0] = (float)0.0;
encParams->LayerMaxFrameRate[1] = (float)0.0;
encParams->VBV_delay = encOption->vbvDelay; /* 2sec VBV buffer size */
switch (encOption->encMode)
{
case SHORT_HEADER:
case SHORT_HEADER_WITH_ERR_RES:
/* From Table 6-26 */
encParams->nLayers = 1;
encParams->QuantType[0] = 0; /*H263 */
encParams->ResyncMarkerDisable = 1; /* Disable Resync Marker */
encParams->DataPartitioning = 0; /* Combined Mode */
encParams->ReversibleVLC = 0; /* Disable RVLC */
encParams->RoundingType = 0;
encParams->IntraDCVlcThr = 7; /* use_intra_dc_vlc = 0 */
encParams->MV8x8_Enabled = 0;
encParams->GOB_Header_Interval = encOption->gobHeaderInterval;
encParams->H263_Enabled = 2;
encParams->GOV_Enabled = 0;
encParams->TimeIncrementRes = 30000; /* timeIncrementRes for H263 */
break;
case H263_MODE:
case H263_MODE_WITH_ERR_RES:
/* From Table 6-26 */
encParams->nLayers = 1;
encParams->QuantType[0] = 0; /*H263 */
encParams->ResyncMarkerDisable = 1; /* Disable Resync Marker */
encParams->DataPartitioning = 0; /* Combined Mode */
encParams->ReversibleVLC = 0; /* Disable RVLC */
encParams->RoundingType = 0;
encParams->IntraDCVlcThr = 7; /* use_intra_dc_vlc = 0 */
encParams->MV8x8_Enabled = 0;
encParams->H263_Enabled = 1;
encParams->GOV_Enabled = 0;
encParams->TimeIncrementRes = 30000; /* timeIncrementRes for H263 */
break;
#ifndef H263_ONLY
case DATA_PARTITIONING_MODE:
encParams->DataPartitioning = 1; /* Base Layer Data Partitioning */
encParams->ResyncMarkerDisable = 0; /* Resync Marker */
#ifdef NO_RVLC
encParams->ReversibleVLC = 0;
#else
encParams->ReversibleVLC = (encOption->rvlcEnable == PV_ON); /* RVLC when Data Partitioning */
#endif
encParams->ResyncPacketsize = PacketSize;
break;
case COMBINE_MODE_WITH_ERR_RES:
encParams->DataPartitioning = 0; /* Combined Mode */
encParams->ResyncMarkerDisable = 0; /* Resync Marker */
encParams->ReversibleVLC = 0; /* No RVLC */
encParams->ResyncPacketsize = PacketSize;
break;
case COMBINE_MODE_NO_ERR_RES:
encParams->DataPartitioning = 0; /* Combined Mode */
encParams->ResyncMarkerDisable = 1; /* Disable Resync Marker */
encParams->ReversibleVLC = 0; /* No RVLC */
break;
#endif
default:
goto CLEAN_UP;
}
/* Set the constraints (maximum values) according to the input profile and level */
/* Note that profile_table_index is already figured out above */
/* base layer */
encParams->profile_table_index = profile_table_index; /* Used to limit the profile and level in SetProfile_BufferSize() */
/* check timeIncRes */
timeIncRes = encOption->timeIncRes;
timeInc = encOption->tickPerSrc;
if ((timeIncRes >= 1) && (timeIncRes <= 65536) && (timeInc < timeIncRes) && (timeInc != 0))
{
if (!encParams->H263_Enabled)
{
encParams->TimeIncrementRes = timeIncRes;
}
else
{
encParams->TimeIncrementRes = 30000;
// video->FrameRate = 30000/(float)1001; /* fix it to 29.97 fps */
}
video->FrameRate = timeIncRes / ((float)timeInc);
}
else
{
goto CLEAN_UP;
}
/* check frame dimension */
if (encParams->H263_Enabled)
{
switch (encOption->encWidth[0])
{
case 128:
if (encOption->encHeight[0] != 96) /* source_format = 1 */
goto CLEAN_UP;
break;
case 176:
if (encOption->encHeight[0] != 144) /* source_format = 2 */
goto CLEAN_UP;
break;
case 352:
if (encOption->encHeight[0] != 288) /* source_format = 2 */
goto CLEAN_UP;
break;
case 704:
if (encOption->encHeight[0] != 576) /* source_format = 2 */
goto CLEAN_UP;
break;
case 1408:
if (encOption->encHeight[0] != 1152) /* source_format = 2 */
goto CLEAN_UP;
break;
default:
goto CLEAN_UP;
}
}
for (i = 0; i < encParams->nLayers; i++)
{
encParams->LayerHeight[i] = encOption->encHeight[i];
encParams->LayerWidth[i] = encOption->encWidth[i];
}
/* check frame rate */
for (i = 0; i < encParams->nLayers; i++)
{
encParams->LayerFrameRate[i] = encOption->encFrameRate[i];
}
if (encParams->nLayers > 1)
{
if (encOption->encFrameRate[0] == encOption->encFrameRate[1] ||
encOption->encFrameRate[0] == 0. || encOption->encFrameRate[1] == 0.) /* 7/31/03 */
goto CLEAN_UP;
}
/* set max frame rate */
for (i = 0; i < encParams->nLayers; i++)
{
/* Make sure the maximum framerate is consistent with the given profile and level */
nTotalMB = ((encParams->LayerWidth[i] + 15) / 16) * ((encParams->LayerHeight[i] + 15) / 16);
if (nTotalMB > 0)
profile_max_framerate = (float)encParams->LayerMaxMbsPerSec[i] / (float)nTotalMB;
else
profile_max_framerate = (float)30.0;
encParams->LayerMaxFrameRate[i] = PV_MIN(profile_max_framerate, encParams->LayerFrameRate[i]);
}
/* check bit rate */
/* set max bit rate */
for (i = 0; i < encParams->nLayers; i++)
{
encParams->LayerBitRate[i] = encOption->bitRate[i];
encParams->LayerMaxBitRate[i] = encOption->bitRate[i];
}
if (encParams->nLayers > 1)
{
if (encOption->bitRate[0] == encOption->bitRate[1] ||
encOption->bitRate[0] == 0 || encOption->bitRate[1] == 0) /* 7/31/03 */
goto CLEAN_UP;
}
/* check rate control and vbv delay*/
encParams->RC_Type = encOption->rcType;
if (encOption->vbvDelay == 0.0) /* set to default */
{
switch (encOption->rcType)
{
case CBR_1:
case CBR_2:
encParams->VBV_delay = (float)2.0; /* default 2sec VBV buffer size */
break;
case CBR_LOWDELAY:
encParams->VBV_delay = (float)0.5; /* default 0.5sec VBV buffer size */
break;
case VBR_1:
case VBR_2:
encParams->VBV_delay = (float)10.0; /* default 10sec VBV buffer size */
break;
default:
break;
}
}
else /* force this value */
{
encParams->VBV_delay = encOption->vbvDelay;
}
/* check search range */
if (encParams->H263_Enabled && encOption->searchRange > 16)
{
encParams->SearchRange = 16; /* 4/16/2001 */
}
/*****************************************/
/* checking for conflict between options */
/*****************************************/
if (video->encParams->RC_Type == CBR_1 || video->encParams->RC_Type == CBR_2 || video->encParams->RC_Type == CBR_LOWDELAY) /* if CBR */
{
#ifdef _PRINT_STAT
if (video->encParams->NoFrameSkip_Enabled == PV_ON ||
video->encParams->NoPreSkip_Enabled == PV_ON) /* don't allow frame skip*/
printf("WARNING!!!! CBR with NoFrameSkip\n");
#endif
}
else if (video->encParams->RC_Type == CONSTANT_Q) /* constant_Q */
{
video->encParams->NoFrameSkip_Enabled = PV_ON; /* no frame skip */
video->encParams->NoPreSkip_Enabled = PV_ON; /* no frame skip */
#ifdef _PRINT_STAT
printf("Turn on NoFrameSkip\n");
#endif
}
if (video->encParams->NoFrameSkip_Enabled == PV_ON) /* if no frame skip */
{
video->encParams->FineFrameSkip_Enabled = PV_OFF;
#ifdef _PRINT_STAT
printf("NoFrameSkip !!! may violate VBV_BUFFER constraint.\n");
printf("Turn off FineFrameSkip\n");
#endif
}
/******************************************/
/******************************************/
nLayers = video->encParams->nLayers; /* Number of Layers to be encoded */
/* Find the maximum width*height for memory allocation of the VOPs */
for (idx = 0; idx < nLayers; idx++)
{
temp_w = video->encParams->LayerWidth[idx];
temp_h = video->encParams->LayerHeight[idx];
if ((temp_w*temp_h) > max)
{
max = temp_w * temp_h;
max_width = ((temp_w + 15) >> 4) << 4;
max_height = ((temp_h + 15) >> 4) << 4;
if (((uint64_t)max_width * max_height) > (uint64_t)INT32_MAX
|| temp_w > INT32_MAX - 15 || temp_h > INT32_MAX - 15) {
goto CLEAN_UP;
}
nTotalMB = ((max_width * max_height) >> 8);
}
/* Check if the video size and framerate(MBsPerSec) are vald */
mbsPerSec = (Int)(nTotalMB * video->encParams->LayerFrameRate[idx]);
if (mbsPerSec > video->encParams->LayerMaxMbsPerSec[idx]) status = PV_FALSE;
}
/****************************************************/
/* Set Profile and Video Buffer Size for each layer */
/****************************************************/
if (video->encParams->RC_Type == CBR_LOWDELAY) video->encParams->VBV_delay = 0.5; /* For CBR_LOWDELAY, we set 0.5sec buffer */
status = SetProfile_BufferSize(video, video->encParams->VBV_delay, 1);
if (status != PV_TRUE)
goto CLEAN_UP;
/****************************************/
/* memory allocation and initialization */
/****************************************/
if (video == NULL) goto CLEAN_UP;
/* cyclic reference for passing through both structures */
video->videoEncControls = encoderControl;
//video->currLayer = 0; /* Set current Layer to 0 */
//video->currFrameNo = 0; /* Set current frame Number to 0 */
video->nextModTime = 0;
video->nextEncIVop = 0; /* Sets up very first frame to be I-VOP! */
video->numVopsInGOP = 0; /* counter for Vops in Gop, 2/8/01 */
//video->frameRate = video->encParams->LayerFrameRate[0]; /* Set current layer frame rate */
video->QPMB = (UChar *) M4VENC_MALLOC(nTotalMB * sizeof(UChar)); /* Memory for MB quantizers */
if (video->QPMB == NULL) goto CLEAN_UP;
video->headerInfo.Mode = (UChar *) M4VENC_MALLOC(sizeof(UChar) * nTotalMB); /* Memory for MB Modes */
if (video->headerInfo.Mode == NULL) goto CLEAN_UP;
video->headerInfo.CBP = (UChar *) M4VENC_MALLOC(sizeof(UChar) * nTotalMB); /* Memory for CBP (Y and C) of each MB */
if (video->headerInfo.CBP == NULL) goto CLEAN_UP;
/* Allocating motion vector space and interpolation memory*/
if ((size_t)nTotalMB > SIZE_MAX / sizeof(MOT *)) {
goto CLEAN_UP;
}
video->mot = (MOT **)M4VENC_MALLOC(sizeof(MOT *) * nTotalMB);
if (video->mot == NULL) goto CLEAN_UP;
for (idx = 0; idx < nTotalMB; idx++)
{
video->mot[idx] = (MOT *)M4VENC_MALLOC(sizeof(MOT) * 8);
if (video->mot[idx] == NULL)
{
goto CLEAN_UP;
}
}
video->intraArray = (UChar *)M4VENC_MALLOC(sizeof(UChar) * nTotalMB);
if (video->intraArray == NULL) goto CLEAN_UP;
video->sliceNo = (UChar *) M4VENC_MALLOC(nTotalMB); /* Memory for Slice Numbers */
if (video->sliceNo == NULL) goto CLEAN_UP;
/* Allocating space for predDCAC[][8][16], Not that I intentionally */
/* increase the dimension of predDCAC from [][6][15] to [][8][16] */
/* so that compilers can generate faster code to indexing the */
/* data inside (by using << instead of *). 04/14/2000. */
/* 5/29/01, use decoder lib ACDC prediction memory scheme. */
if ((size_t)nTotalMB > SIZE_MAX / sizeof(typeDCStore)) {
goto CLEAN_UP;
}
video->predDC = (typeDCStore *) M4VENC_MALLOC(nTotalMB * sizeof(typeDCStore));
if (video->predDC == NULL) goto CLEAN_UP;
if (!video->encParams->H263_Enabled)
{
if ((size_t)((max_width >> 4) + 1) > SIZE_MAX / sizeof(typeDCACStore)) {
goto CLEAN_UP;
}
video->predDCAC_col = (typeDCACStore *) M4VENC_MALLOC(((max_width >> 4) + 1) * sizeof(typeDCACStore));
if (video->predDCAC_col == NULL) goto CLEAN_UP;
/* element zero will be used for storing vertical (col) AC coefficients */
/* the rest will be used for storing horizontal (row) AC coefficients */
video->predDCAC_row = video->predDCAC_col + 1; /* ACDC */
if ((size_t)nTotalMB > SIZE_MAX / sizeof(Int)) {
goto CLEAN_UP;
}
video->acPredFlag = (Int *) M4VENC_MALLOC(nTotalMB * sizeof(Int)); /* Memory for acPredFlag */
if (video->acPredFlag == NULL) goto CLEAN_UP;
}
video->outputMB = (MacroBlock *) M4VENC_MALLOC(sizeof(MacroBlock)); /* Allocating macroblock space */
if (video->outputMB == NULL) goto CLEAN_UP;
M4VENC_MEMSET(video->outputMB->block[0], 0, (sizeof(Short) << 6)*6);
M4VENC_MEMSET(video->dataBlock, 0, sizeof(Short) << 7);
/* Allocate (2*packetsize) working bitstreams */
video->bitstream1 = BitStreamCreateEnc(2 * 4096); /*allocate working stream 1*/
if (video->bitstream1 == NULL) goto CLEAN_UP;
video->bitstream2 = BitStreamCreateEnc(2 * 4096); /*allocate working stream 2*/
if (video->bitstream2 == NULL) goto CLEAN_UP;
video->bitstream3 = BitStreamCreateEnc(2 * 4096); /*allocate working stream 3*/
if (video->bitstream3 == NULL) goto CLEAN_UP;
/* allocate overrun buffer */
// this buffer is used when user's buffer is too small to hold one frame.
// It is not needed for slice-based encoding.
if (nLayers == 1)
{
video->oBSize = encParams->BufferSize[0] >> 3;
}
else
{
video->oBSize = PV_MAX((encParams->BufferSize[0] >> 3), (encParams->BufferSize[1] >> 3));
}
if (video->oBSize > DEFAULT_OVERRUN_BUFFER_SIZE || encParams->RC_Type == CONSTANT_Q) // set limit
{
video->oBSize = DEFAULT_OVERRUN_BUFFER_SIZE;
}
video->overrunBuffer = (UChar*) M4VENC_MALLOC(sizeof(UChar) * video->oBSize);
if (video->overrunBuffer == NULL) goto CLEAN_UP;
video->currVop = (Vop *) M4VENC_MALLOC(sizeof(Vop)); /* Memory for Current VOP */
if (video->currVop == NULL) goto CLEAN_UP;
/* add padding, 09/19/05 */
if (video->encParams->H263_Enabled) /* make it conditional 11/28/05 */
{
pitch = max_width;
offset = 0;
}
else
{
pitch = max_width + 32;
offset = (pitch << 4) + 16;
max_height += 32;
}
if (((uint64_t)pitch * max_height) > (uint64_t)INT32_MAX) {
goto CLEAN_UP;
}
size = pitch * max_height;
if (size > INT32_MAX - (size >> 1)
|| (size_t)(size + (size >> 1)) > SIZE_MAX / sizeof(PIXEL)) {
goto CLEAN_UP;
}
video->currVop->yChan = (PIXEL *)M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for currVop Y */
if (video->currVop->yChan == NULL) goto CLEAN_UP;
video->currVop->uChan = video->currVop->yChan + size;/* Memory for currVop U */
video->currVop->vChan = video->currVop->uChan + (size >> 2);/* Memory for currVop V */
/* shift for the offset */
if (offset)
{
video->currVop->yChan += offset; /* offset to the origin.*/
video->currVop->uChan += (offset >> 2) + 4;
video->currVop->vChan += (offset >> 2) + 4;
}
video->forwardRefVop = video->currVop; /* Initialize forwardRefVop */
video->backwardRefVop = video->currVop; /* Initialize backwardRefVop */
video->prevBaseVop = (Vop *) M4VENC_MALLOC(sizeof(Vop)); /* Memory for Previous Base Vop */
if (video->prevBaseVop == NULL) goto CLEAN_UP;
video->prevBaseVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for prevBaseVop Y */
if (video->prevBaseVop->yChan == NULL) goto CLEAN_UP;
video->prevBaseVop->uChan = video->prevBaseVop->yChan + size; /* Memory for prevBaseVop U */
video->prevBaseVop->vChan = video->prevBaseVop->uChan + (size >> 2); /* Memory for prevBaseVop V */
if (offset)
{
video->prevBaseVop->yChan += offset; /* offset to the origin.*/
video->prevBaseVop->uChan += (offset >> 2) + 4;
video->prevBaseVop->vChan += (offset >> 2) + 4;
}
if (0) /* If B Frames */
{
video->nextBaseVop = (Vop *) M4VENC_MALLOC(sizeof(Vop)); /* Memory for Next Base Vop */
if (video->nextBaseVop == NULL) goto CLEAN_UP;
video->nextBaseVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for nextBaseVop Y */
if (video->nextBaseVop->yChan == NULL) goto CLEAN_UP;
video->nextBaseVop->uChan = video->nextBaseVop->yChan + size; /* Memory for nextBaseVop U */
video->nextBaseVop->vChan = video->nextBaseVop->uChan + (size >> 2); /* Memory for nextBaseVop V */
if (offset)
{
video->nextBaseVop->yChan += offset; /* offset to the origin.*/
video->nextBaseVop->uChan += (offset >> 2) + 4;
video->nextBaseVop->vChan += (offset >> 2) + 4;
}
}
if (nLayers > 1) /* If enhancement layers */
{
video->prevEnhanceVop = (Vop *) M4VENC_MALLOC(sizeof(Vop)); /* Memory for Previous Enhancement Vop */
if (video->prevEnhanceVop == NULL) goto CLEAN_UP;
video->prevEnhanceVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for Previous Ehancement Y */
if (video->prevEnhanceVop->yChan == NULL) goto CLEAN_UP;
video->prevEnhanceVop->uChan = video->prevEnhanceVop->yChan + size; /* Memory for Previous Enhancement U */
video->prevEnhanceVop->vChan = video->prevEnhanceVop->uChan + (size >> 2); /* Memory for Previous Enhancement V */
if (offset)
{
video->prevEnhanceVop->yChan += offset; /* offset to the origin.*/
video->prevEnhanceVop->uChan += (offset >> 2) + 4;
video->prevEnhanceVop->vChan += (offset >> 2) + 4;
}
}
video->numberOfLayers = nLayers; /* Number of Layers */
video->sumMAD = 0;
/* 04/09/01, for Vops in the use multipass processing */
for (idx = 0; idx < nLayers; idx++)
{
video->pMP[idx] = (MultiPass *)M4VENC_MALLOC(sizeof(MultiPass));
if (video->pMP[idx] == NULL) goto CLEAN_UP;
M4VENC_MEMSET(video->pMP[idx], 0, sizeof(MultiPass));
video->pMP[idx]->encoded_frames = -1; /* forget about the very first I frame */
/* RDInfo **pRDSamples */
video->pMP[idx]->pRDSamples = (RDInfo **)M4VENC_MALLOC(30 * sizeof(RDInfo *));
if (video->pMP[idx]->pRDSamples == NULL) goto CLEAN_UP;
for (i = 0; i < 30; i++)
{
video->pMP[idx]->pRDSamples[i] = (RDInfo *)M4VENC_MALLOC(32 * sizeof(RDInfo));
if (video->pMP[idx]->pRDSamples[i] == NULL) goto CLEAN_UP;
for (j = 0; j < 32; j++) M4VENC_MEMSET(&(video->pMP[idx]->pRDSamples[i][j]), 0, sizeof(RDInfo));
}
video->pMP[idx]->frameRange = (Int)(video->encParams->LayerFrameRate[idx] * 1.0); /* 1.0s time frame*/
video->pMP[idx]->frameRange = PV_MAX(video->pMP[idx]->frameRange, 5);
video->pMP[idx]->frameRange = PV_MIN(video->pMP[idx]->frameRange, 30);
video->pMP[idx]->framePos = -1;
}
/* /// End /////////////////////////////////////// */
if ((size_t)nLayers > SIZE_MAX / sizeof(Vol *)) {
goto CLEAN_UP;
}
video->vol = (Vol **)M4VENC_MALLOC(nLayers * sizeof(Vol *)); /* Memory for VOL pointers */
/* Memory allocation and Initialization of Vols and writing of headers */
if (video->vol == NULL) goto CLEAN_UP;
for (idx = 0; idx < nLayers; idx++)
{
video->volInitialize[idx] = 1;
video->refTick[idx] = 0;
video->relLayerCodeTime[idx] = 1000;
video->vol[idx] = (Vol *)M4VENC_MALLOC(sizeof(Vol));
if (video->vol[idx] == NULL) goto CLEAN_UP;
pVol = video->vol[idx];
pEncParams = video->encParams;
M4VENC_MEMSET(video->vol[idx], 0, sizeof(Vol));
/* Initialize some VOL parameters */
pVol->volID = idx; /* Set VOL ID */
pVol->shortVideoHeader = pEncParams->H263_Enabled; /*Short Header */
pVol->GOVStart = pEncParams->GOV_Enabled; /* GOV Header */
pVol->timeIncrementResolution = video->encParams->TimeIncrementRes;
pVol->nbitsTimeIncRes = 1;
while (pVol->timeIncrementResolution > (1 << pVol->nbitsTimeIncRes))
{
pVol->nbitsTimeIncRes++;
}
/* timing stuff */
pVol->timeIncrement = 0;
pVol->moduloTimeBase = 0;
pVol->fixedVopRate = 0; /* No fixed VOP rate */
pVol->stream = (BitstreamEncVideo *)M4VENC_MALLOC(sizeof(BitstreamEncVideo)); /* allocate BitstreamEncVideo Instance */
if (pVol->stream == NULL) goto CLEAN_UP;
pVol->width = pEncParams->LayerWidth[idx]; /* Layer Width */
pVol->height = pEncParams->LayerHeight[idx]; /* Layer Height */
// pVol->intra_acdcPredDisable = pEncParams->ACDCPrediction; /* ACDC Prediction */
pVol->ResyncMarkerDisable = pEncParams->ResyncMarkerDisable; /* Resync Marker Mode */
pVol->dataPartitioning = pEncParams->DataPartitioning; /* Data Partitioning */
pVol->useReverseVLC = pEncParams->ReversibleVLC; /* RVLC */
if (idx > 0) /* Scalability layers */
{
pVol->ResyncMarkerDisable = 1;
pVol->dataPartitioning = 0;
pVol->useReverseVLC = 0; /* No RVLC */
}
pVol->quantType = pEncParams->QuantType[idx]; /* Quantizer Type */
/* no need to init Quant Matrices */
pVol->scalability = 0; /* Vol Scalability */
if (idx > 0)
pVol->scalability = 1; /* Multiple layers => Scalability */
/* Initialize Vol to Temporal scalability. It can change during encoding */
pVol->scalType = 1;
/* Initialize reference Vol ID to the base layer = 0 */
pVol->refVolID = 0;
/* Initialize layer resolution to same as the reference */
pVol->refSampDir = 0;
pVol->horSamp_m = 1;
pVol->horSamp_n = 1;
pVol->verSamp_m = 1;
pVol->verSamp_n = 1;
pVol->enhancementType = 0; /* We always enhance the entire region */
pVol->nMBPerRow = (pVol->width + 15) / 16;
pVol->nMBPerCol = (pVol->height + 15) / 16;
pVol->nTotalMB = pVol->nMBPerRow * pVol->nMBPerCol;
if (pVol->nTotalMB >= 1)
pVol->nBitsForMBID = 1;
if (pVol->nTotalMB >= 3)
pVol->nBitsForMBID = 2;
if (pVol->nTotalMB >= 5)
pVol->nBitsForMBID = 3;
if (pVol->nTotalMB >= 9)
pVol->nBitsForMBID = 4;
if (pVol->nTotalMB >= 17)
pVol->nBitsForMBID = 5;
if (pVol->nTotalMB >= 33)
pVol->nBitsForMBID = 6;
if (pVol->nTotalMB >= 65)
pVol->nBitsForMBID = 7;
if (pVol->nTotalMB >= 129)
pVol->nBitsForMBID = 8;
if (pVol->nTotalMB >= 257)
pVol->nBitsForMBID = 9;
if (pVol->nTotalMB >= 513)
pVol->nBitsForMBID = 10;
if (pVol->nTotalMB >= 1025)
pVol->nBitsForMBID = 11;
if (pVol->nTotalMB >= 2049)
pVol->nBitsForMBID = 12;
if (pVol->nTotalMB >= 4097)
pVol->nBitsForMBID = 13;
if (pVol->nTotalMB >= 8193)
pVol->nBitsForMBID = 14;
if (pVol->nTotalMB >= 16385)
pVol->nBitsForMBID = 15;
if (pVol->nTotalMB >= 32769)
pVol->nBitsForMBID = 16;
if (pVol->nTotalMB >= 65537)
pVol->nBitsForMBID = 17;
if (pVol->nTotalMB >= 131073)
pVol->nBitsForMBID = 18;
if (pVol->shortVideoHeader)
{
switch (pVol->width)
{
case 128:
if (pVol->height == 96) /* source_format = 1 */
{
pVol->nGOBinVop = 6;
pVol->nMBinGOB = 8;
}
else
status = PV_FALSE;
break;
case 176:
if (pVol->height == 144) /* source_format = 2 */
{
pVol->nGOBinVop = 9;
pVol->nMBinGOB = 11;
}
else
status = PV_FALSE;
break;
case 352:
if (pVol->height == 288) /* source_format = 2 */
{
pVol->nGOBinVop = 18;
pVol->nMBinGOB = 22;
}
else
status = PV_FALSE;
break;
case 704:
if (pVol->height == 576) /* source_format = 2 */
{
pVol->nGOBinVop = 18;
pVol->nMBinGOB = 88;
}
else
status = PV_FALSE;
break;
case 1408:
if (pVol->height == 1152) /* source_format = 2 */
{
pVol->nGOBinVop = 18;
pVol->nMBinGOB = 352;
}
else
status = PV_FALSE;
break;
default:
status = PV_FALSE;
break;
}
}
}
/***************************************************/
/* allocate and initialize rate control parameters */
/***************************************************/
/* BEGIN INITIALIZATION OF ANNEX L RATE CONTROL */
if (video->encParams->RC_Type != CONSTANT_Q)
{
for (idx = 0; idx < nLayers; idx++) /* 12/25/00 */
{
video->rc[idx] =
(rateControl *)M4VENC_MALLOC(sizeof(rateControl));
if (video->rc[idx] == NULL) goto CLEAN_UP;
M4VENC_MEMSET(video->rc[idx], 0, sizeof(rateControl));
}
if (PV_SUCCESS != RC_Initialize(video))
{
goto CLEAN_UP;
}
/* initialization for 2-pass rate control */
}
/* END INITIALIZATION OF ANNEX L RATE CONTROL */
/********** assign platform dependent functions ***********************/
/* 1/23/01 */
/* This must be done at run-time not a compile time */
video->functionPointer = (FuncPtr*) M4VENC_MALLOC(sizeof(FuncPtr));
if (video->functionPointer == NULL) goto CLEAN_UP;
video->functionPointer->ComputeMBSum = &ComputeMBSum_C;
video->functionPointer->SAD_MB_HalfPel[0] = NULL;
video->functionPointer->SAD_MB_HalfPel[1] = &SAD_MB_HalfPel_Cxh;
video->functionPointer->SAD_MB_HalfPel[2] = &SAD_MB_HalfPel_Cyh;
video->functionPointer->SAD_MB_HalfPel[3] = &SAD_MB_HalfPel_Cxhyh;
#ifndef NO_INTER4V
video->functionPointer->SAD_Blk_HalfPel = &SAD_Blk_HalfPel_C;
video->functionPointer->SAD_Block = &SAD_Block_C;
#endif
video->functionPointer->SAD_Macroblock = &SAD_Macroblock_C;
video->functionPointer->ChooseMode = &ChooseMode_C;
video->functionPointer->GetHalfPelMBRegion = &GetHalfPelMBRegion_C;
// video->functionPointer->SAD_MB_PADDING = &SAD_MB_PADDING; /* 4/21/01 */
encoderControl->videoEncoderInit = 1; /* init done! */
return PV_TRUE;
CLEAN_UP:
PVCleanUpVideoEncoder(encoderControl);
return PV_FALSE;
}
/* ======================================================================== */
/* Function : PVCleanUpVideoEncoder() */
/* Date : 08/22/2000 */
/* Purpose : Deallocates allocated memory from InitVideoEncoder() */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : 5/21/01, free only yChan in Vop */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVCleanUpVideoEncoder(VideoEncControls *encoderControl)
{
Int idx, i;
VideoEncData *video = (VideoEncData *)encoderControl->videoEncoderData;
int nTotalMB;
int max_width, offset;
#ifdef PRINT_RC_INFO
if (facct != NULL)
{
fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
fprintf(facct, "TOTAL NUM BITS GENERATED %d\n", tiTotalNumBitsGenerated);
fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
fprintf(facct, "TOTAL NUMBER OF FRAMES CODED %d\n",
video->encParams->rc[0]->totalFrameNumber);
fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
fprintf(facct, "Average BitRate %d\n",
(tiTotalNumBitsGenerated / (90 / 30)));
fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
fprintf(facct, "TOTAL NUMBER OF STUFF BITS %d\n", (iStuffBits + 10740));
fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
fprintf(facct, "TOTAL NUMBER OF BITS TO NETWORK %d\n", (35800*90 / 30));;
fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
fprintf(facct, "SUM OF STUFF BITS AND GENERATED BITS %d\n",
(tiTotalNumBitsGenerated + iStuffBits + 10740));
fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
fprintf(facct, "UNACCOUNTED DIFFERENCE %d\n",
((35800*90 / 30) - (tiTotalNumBitsGenerated + iStuffBits + 10740)));
fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
fclose(facct);
}
#endif
#ifdef PRINT_EC
fclose(fec);
#endif
if (video != NULL)
{
if (video->QPMB) M4VENC_FREE(video->QPMB);
if (video->headerInfo.Mode)M4VENC_FREE(video->headerInfo.Mode);
if (video->headerInfo.CBP)M4VENC_FREE(video->headerInfo.CBP);
if (video->mot)
{
nTotalMB = video->vol[0]->nTotalMB;
for (idx = 1; idx < video->currLayer; idx++)
if (video->vol[idx]->nTotalMB > nTotalMB)
nTotalMB = video->vol[idx]->nTotalMB;
for (idx = 0; idx < nTotalMB; idx++)
{
if (video->mot[idx])
M4VENC_FREE(video->mot[idx]);
}
M4VENC_FREE(video->mot);
}
if (video->intraArray) M4VENC_FREE(video->intraArray);
if (video->sliceNo)M4VENC_FREE(video->sliceNo);
if (video->acPredFlag)M4VENC_FREE(video->acPredFlag);
// if(video->predDCAC)M4VENC_FREE(video->predDCAC);
if (video->predDC) M4VENC_FREE(video->predDC);
video->predDCAC_row = NULL;
if (video->predDCAC_col) M4VENC_FREE(video->predDCAC_col);
if (video->outputMB)M4VENC_FREE(video->outputMB);
if (video->bitstream1)BitstreamCloseEnc(video->bitstream1);
if (video->bitstream2)BitstreamCloseEnc(video->bitstream2);
if (video->bitstream3)BitstreamCloseEnc(video->bitstream3);
if (video->overrunBuffer) M4VENC_FREE(video->overrunBuffer);
max_width = video->encParams->LayerWidth[0];
max_width = (((max_width + 15) >> 4) << 4); /* 09/19/05 */
if (video->encParams->H263_Enabled)
{
offset = 0;
}
else
{
offset = ((max_width + 32) << 4) + 16;
}
if (video->currVop)
{
if (video->currVop->yChan)
{
video->currVop->yChan -= offset;
M4VENC_FREE(video->currVop->yChan);
}
M4VENC_FREE(video->currVop);
}
if (video->nextBaseVop)
{
if (video->nextBaseVop->yChan)
{
video->nextBaseVop->yChan -= offset;
M4VENC_FREE(video->nextBaseVop->yChan);
}
M4VENC_FREE(video->nextBaseVop);
}
if (video->prevBaseVop)
{
if (video->prevBaseVop->yChan)
{
video->prevBaseVop->yChan -= offset;
M4VENC_FREE(video->prevBaseVop->yChan);
}
M4VENC_FREE(video->prevBaseVop);
}
if (video->prevEnhanceVop)
{
if (video->prevEnhanceVop->yChan)
{
video->prevEnhanceVop->yChan -= offset;
M4VENC_FREE(video->prevEnhanceVop->yChan);
}
M4VENC_FREE(video->prevEnhanceVop);
}
/* 04/09/01, for Vops in the use multipass processing */
for (idx = 0; idx < video->encParams->nLayers; idx++)
{
if (video->pMP[idx])
{
if (video->pMP[idx]->pRDSamples)
{
for (i = 0; i < 30; i++)
{
if (video->pMP[idx]->pRDSamples[i])
M4VENC_FREE(video->pMP[idx]->pRDSamples[i]);
}
M4VENC_FREE(video->pMP[idx]->pRDSamples);
}
M4VENC_MEMSET(video->pMP[idx], 0, sizeof(MultiPass));
M4VENC_FREE(video->pMP[idx]);
}
}
/* // End /////////////////////////////////////// */
if (video->vol)
{
for (idx = 0; idx < video->encParams->nLayers; idx++)
{
if (video->vol[idx])
{
if (video->vol[idx]->stream)
M4VENC_FREE(video->vol[idx]->stream);
M4VENC_FREE(video->vol[idx]);
}
}
M4VENC_FREE(video->vol);
}
/***************************************************/
/* stop rate control parameters */
/***************************************************/
/* ANNEX L RATE CONTROL */
if (video->encParams->RC_Type != CONSTANT_Q)
{
RC_Cleanup(video->rc, video->encParams->nLayers);
for (idx = 0; idx < video->encParams->nLayers; idx++)
{
if (video->rc[idx])
M4VENC_FREE(video->rc[idx]);
}
}
if (video->functionPointer) M4VENC_FREE(video->functionPointer);
/* If application has called PVCleanUpVideoEncoder then we deallocate */
/* If PVInitVideoEncoder class it, then we DO NOT deallocate */
if (video->encParams)
{
M4VENC_FREE(video->encParams);
}
M4VENC_FREE(video);
encoderControl->videoEncoderData = NULL; /* video */
}
encoderControl->videoEncoderInit = 0;
return PV_TRUE;
}
/* ======================================================================== */
/* Function : PVGetVolHeader() */
/* Date : 7/17/2001, */
/* Purpose : */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVGetVolHeader(VideoEncControls *encCtrl, UChar *volHeader, Int *size, Int layer)
{
VideoEncData *encData;
PV_STATUS EncodeVOS_Start(VideoEncControls *encCtrl);
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
encData->currLayer = layer; /* Set Layer */
/*pv_status = */
EncodeVOS_Start(encCtrl); /* Encode VOL Header */
encData->encParams->GetVolHeader[layer] = 1; /* Set usage flag: Needed to support old method*/
/* Copy bitstream to buffer and set the size */
if (*size > encData->bitstream1->byteCount)
{
*size = encData->bitstream1->byteCount;
M4VENC_MEMCPY(volHeader, encData->bitstream1->bitstreamBuffer, *size);
}
else
return PV_FALSE;
/* Reset bitstream1 buffer parameters */
BitstreamEncReset(encData->bitstream1);
return PV_TRUE;
}
/* ======================================================================== */
/* Function : PVGetOverrunBuffer() */
/* Purpose : Get the overrun buffer ` */
/* In/out : */
/* Return : Pointer to overrun buffer. */
/* Modified : */
/* ======================================================================== */
OSCL_EXPORT_REF UChar* PVGetOverrunBuffer(VideoEncControls *encCtrl)
{
VideoEncData *video = (VideoEncData *)encCtrl->videoEncoderData;
Int currLayer = video->currLayer;
Vol *currVol = video->vol[currLayer];
if (currVol->stream->bitstreamBuffer != video->overrunBuffer) // not used
{
return NULL;
}
return video->overrunBuffer;
}
/* ======================================================================== */
/* Function : EncodeVideoFrame() */
/* Date : 08/22/2000 */
/* Purpose : Encode video frame and return bitstream */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* 02.14.2001 */
/* Finishing new timestamp 32-bit input */
/* Applications need to take care of wrap-around */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVEncodeVideoFrame(VideoEncControls *encCtrl, VideoEncFrameIO *vid_in, VideoEncFrameIO *vid_out,
ULong *nextModTime, UChar *bstream, Int *size, Int *nLayer)
{
Bool status = PV_TRUE;
PV_STATUS pv_status;
VideoEncData *video = (VideoEncData *)encCtrl->videoEncoderData;
VideoEncParams *encParams = video->encParams;
Vol *currVol;
Vop *tempForwRefVop = NULL;
Int tempRefSelCode = 0;
PV_STATUS EncodeVOS_Start(VideoEncControls *encCtrl);
Int width_16, height_16;
Int width, height;
Vop *temp;
Int encodeVop = 0;
void PaddingEdge(Vop *padVop);
Int currLayer = -1;
//Int nLayers = encParams->nLayers;
ULong modTime = vid_in->timestamp;
#ifdef RANDOM_REFSELCODE /* add random selection of reference Vop */
Int random_val[30] = {0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0};
static Int rand_idx = 0;
#endif
/*******************************************************/
/* Determine Next Vop to encode, if any, and nLayer */
/*******************************************************/
//i = nLayers-1;
if (video->volInitialize[0]) /* first vol to code */
{
video->nextModTime = video->modTimeRef = ((modTime) - ((modTime) % 1000));
}
encodeVop = DetermineCodingLayer(video, nLayer, modTime);
currLayer = *nLayer;
if ((currLayer < 0) || (currLayer > encParams->nLayers - 1))
return PV_FALSE;
/******************************************/
/* If post-skipping still effective --- return */
/******************************************/
if (!encodeVop) /* skip enh layer, no base layer coded --- return */
{
#ifdef _PRINT_STAT
printf("No frame coded. Continue to next frame.");
#endif
/* expected next code time, convert back to millisec */
*nextModTime = video->nextModTime;
#ifdef ALLOW_VOP_NOT_CODED
if (video->vol[0]->shortVideoHeader) /* Short Video Header = 1 */
{
*size = 0;
*nLayer = -1;
}
else
{
*nLayer = 0;
EncodeVopNotCoded(video, bstream, size, modTime);
*size = video->vol[0]->stream->byteCount;
}
#else
*size = 0;
*nLayer = -1;
#endif
return status;
}
//ENCODE_VOP_AGAIN: /* 12/30/00 */
/**************************************************************/
/* Initialize Vol stream structure with application bitstream */
/**************************************************************/
currVol = video->vol[currLayer];
currVol->stream->bitstreamBuffer = bstream;
currVol->stream->bufferSize = *size;
BitstreamEncReset(currVol->stream);
BitstreamSetOverrunBuffer(currVol->stream, video->overrunBuffer, video->oBSize, video);
/***********************************************************/
/* Encode VOS and VOL Headers on first call for each layer */
/***********************************************************/
if (video->volInitialize[currLayer])
{
video->currVop->timeInc = 0;
video->prevBaseVop->timeInc = 0;
if (!video->encParams->GetVolHeader[currLayer])
pv_status = EncodeVOS_Start(encCtrl);
}
/***************************************************/
/* Copy Input Video Frame to Internal Video Buffer */
/***************************************************/
/* Determine Width and Height of Vop Layer */
width = encParams->LayerWidth[currLayer]; /* Get input width */
height = encParams->LayerHeight[currLayer]; /* Get input height */
/* Round Up to nearest multiple of 16 : MPEG-4 Standard */
width_16 = ((width + 15) / 16) * 16; /* Round up to nearest multiple of 16 */
height_16 = ((height + 15) / 16) * 16; /* Round up to nearest multiple of 16 */
video->input = vid_in; /* point to the frame input */
/*// End ////////////////////////////// */
/**************************************/
/* Determine VOP Type */
/* 6/2/2001, separate function */
/**************************************/
DetermineVopType(video, currLayer);
/****************************/
/* Initialize VOP */
/****************************/
video->currVop->volID = currVol->volID;
video->currVop->width = width_16;
video->currVop->height = height_16;
if (video->encParams->H263_Enabled) /* 11/28/05 */
{
video->currVop->pitch = width_16;
}
else
{
video->currVop->pitch = width_16 + 32;
}
video->currVop->timeInc = currVol->timeIncrement;
video->currVop->vopCoded = 1;
video->currVop->roundingType = 0;
video->currVop->intraDCVlcThr = encParams->IntraDCVlcThr;
if (currLayer == 0
#ifdef RANDOM_REFSELCODE /* add random selection of reference Vop */
|| random_val[rand_idx] || video->volInitialize[currLayer]
#endif
)
{
tempForwRefVop = video->forwardRefVop; /* keep initial state */
if (tempForwRefVop != NULL) tempRefSelCode = tempForwRefVop->refSelectCode;
video->forwardRefVop = video->prevBaseVop;
video->forwardRefVop->refSelectCode = 1;
}
#ifdef RANDOM_REFSELCODE
else
{
tempForwRefVop = video->forwardRefVop; /* keep initial state */
if (tempForwRefVop != NULL) tempRefSelCode = tempForwRefVop->refSelectCode;
video->forwardRefVop = video->prevEnhanceVop;
video->forwardRefVop->refSelectCode = 0;
}
rand_idx++;
rand_idx %= 30;
#endif
video->currVop->refSelectCode = video->forwardRefVop->refSelectCode;
video->currVop->gobNumber = 0;
video->currVop->gobFrameID = video->currVop->predictionType;
video->currVop->temporalRef = (modTime * 30 / 1001) % 256;
video->currVop->temporalInterval = 0;
if (video->currVop->predictionType == I_VOP)
video->currVop->quantizer = encParams->InitQuantIvop[currLayer];
else
video->currVop->quantizer = encParams->InitQuantPvop[currLayer];
/****************/
/* Encode Vop */
/****************/
video->slice_coding = 0;
pv_status = EncodeVop(video);
#ifdef _PRINT_STAT
if (video->currVop->predictionType == I_VOP)
printf(" I-VOP ");
else
printf(" P-VOP (ref.%d)", video->forwardRefVop->refSelectCode);
#endif
/************************************/
/* Update Skip Next Frame */
/************************************/
*nLayer = UpdateSkipNextFrame(video, nextModTime, size, pv_status);
if (*nLayer == -1) /* skip current frame */
{
/* make sure that pointers are restored to the previous state */
if (currLayer == 0)
{
video->forwardRefVop = tempForwRefVop; /* For P-Vop base only */
video->forwardRefVop->refSelectCode = tempRefSelCode;
}
return status;
}
/* If I-VOP was encoded, reset IntraPeriod */
if ((currLayer == 0) && (encParams->IntraPeriod > 0) && (video->currVop->predictionType == I_VOP))
video->nextEncIVop = encParams->IntraPeriod;
/* Set HintTrack Information */
if (currLayer != -1)
{
if (currVol->prevModuloTimeBase)
video->hintTrackInfo.MTB = 1;
else
video->hintTrackInfo.MTB = 0;
video->hintTrackInfo.LayerID = (UChar)currVol->volID;
video->hintTrackInfo.CodeType = (UChar)video->currVop->predictionType;
video->hintTrackInfo.RefSelCode = (UChar)video->currVop->refSelectCode;
}
/************************************************/
/* Determine nLayer and timeInc for next encode */
/* 12/27/00 always go by the highest layer*/
/************************************************/
/**********************************************************/
/* Copy Reconstructed Buffer to Output Video Frame Buffer */
/**********************************************************/
vid_out->yChan = video->currVop->yChan;
vid_out->uChan = video->currVop->uChan;
vid_out->vChan = video->currVop->vChan;
if (video->encParams->H263_Enabled)
{
vid_out->height = video->currVop->height; /* padded height */
vid_out->pitch = video->currVop->width; /* padded width */
}
else
{
vid_out->height = video->currVop->height + 32; /* padded height */
vid_out->pitch = video->currVop->width + 32; /* padded width */
}
//video_out->timestamp = video->modTime;
vid_out->timestamp = (ULong)(((video->prevFrameNum[currLayer] * 1000) / encParams->LayerFrameRate[currLayer]) + video->modTimeRef + 0.5);
/*// End /////////////////////// */
/***********************************/
/* Update Ouput bstream byte count */
/***********************************/
*size = currVol->stream->byteCount;
/****************************************/
/* Swap Vop Pointers for Base Layer */
/****************************************/
if (currLayer == 0)
{
temp = video->prevBaseVop;
video->prevBaseVop = video->currVop;
video->prevBaseVop->padded = 0; /* not padded */
video->currVop = temp;
video->forwardRefVop = video->prevBaseVop; /* For P-Vop base only */
video->forwardRefVop->refSelectCode = 1;
}
else
{
temp = video->prevEnhanceVop;
video->prevEnhanceVop = video->currVop;
video->prevEnhanceVop->padded = 0; /* not padded */
video->currVop = temp;
video->forwardRefVop = video->prevEnhanceVop;
video->forwardRefVop->refSelectCode = 0;
}
/****************************************/
/* Modify the intialize flag at the end.*/
/****************************************/
if (video->volInitialize[currLayer])
video->volInitialize[currLayer] = 0;
return status;
}
#ifndef NO_SLICE_ENCODE
/* ======================================================================== */
/* Function : PVEncodeFrameSet() */
/* Date : 04/18/2000 */
/* Purpose : Enter a video frame and perform front-end time check plus ME */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVEncodeFrameSet(VideoEncControls *encCtrl, VideoEncFrameIO *vid_in, ULong *nextModTime, Int *nLayer)
{
Bool status = PV_TRUE;
VideoEncData *video = (VideoEncData *)encCtrl->videoEncoderData;
VideoEncParams *encParams = video->encParams;
Vol *currVol;
PV_STATUS EncodeVOS_Start(VideoEncControls *encCtrl);
Int width_16, height_16;
Int width, height;
Int encodeVop = 0;
void PaddingEdge(Vop *padVop);
Int currLayer = -1;
//Int nLayers = encParams->nLayers;
ULong modTime = vid_in->timestamp;
#ifdef RANDOM_REFSELCODE /* add random selection of reference Vop */
Int random_val[30] = {0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0};
static Int rand_idx = 0;
#endif
/*******************************************************/
/* Determine Next Vop to encode, if any, and nLayer */
/*******************************************************/
video->modTime = modTime;
//i = nLayers-1;
if (video->volInitialize[0]) /* first vol to code */
{
video->nextModTime = video->modTimeRef = ((modTime) - ((modTime) % 1000));
}
encodeVop = DetermineCodingLayer(video, nLayer, modTime);
currLayer = *nLayer;
/******************************************/
/* If post-skipping still effective --- return */
/******************************************/
if (!encodeVop) /* skip enh layer, no base layer coded --- return */
{
#ifdef _PRINT_STAT
printf("No frame coded. Continue to next frame.");
#endif
*nLayer = -1;
/* expected next code time, convert back to millisec */
*nextModTime = video->nextModTime;;
return status;
}
/**************************************************************/
/* Initialize Vol stream structure with application bitstream */
/**************************************************************/
currVol = video->vol[currLayer];
currVol->stream->bufferSize = 0;
BitstreamEncReset(currVol->stream);
/***********************************************************/
/* Encode VOS and VOL Headers on first call for each layer */
/***********************************************************/
if (video->volInitialize[currLayer])
{
video->currVop->timeInc = 0;
video->prevBaseVop->timeInc = 0;
}
/***************************************************/
/* Copy Input Video Frame to Internal Video Buffer */
/***************************************************/
/* Determine Width and Height of Vop Layer */
width = encParams->LayerWidth[currLayer]; /* Get input width */
height = encParams->LayerHeight[currLayer]; /* Get input height */
/* Round Up to nearest multiple of 16 : MPEG-4 Standard */
width_16 = ((width + 15) / 16) * 16; /* Round up to nearest multiple of 16 */
height_16 = ((height + 15) / 16) * 16; /* Round up to nearest multiple of 16 */
video->input = vid_in; /* point to the frame input */
/*// End ////////////////////////////// */
/**************************************/
/* Determine VOP Type */
/* 6/2/2001, separate function */
/**************************************/
DetermineVopType(video, currLayer);
/****************************/
/* Initialize VOP */
/****************************/
video->currVop->volID = currVol->volID;
video->currVop->width = width_16;
video->currVop->height = height_16;
if (video->encParams->H263_Enabled) /* 11/28/05 */
{
video->currVop->pitch = width_16;
}
else
{
video->currVop->pitch = width_16 + 32;
}
video->currVop->timeInc = currVol->timeIncrement;
video->currVop->vopCoded = 1;
video->currVop->roundingType = 0;
video->currVop->intraDCVlcThr = encParams->IntraDCVlcThr;
if (currLayer == 0
#ifdef RANDOM_REFSELCODE /* add random selection of reference Vop */
|| random_val[rand_idx] || video->volInitialize[currLayer]
#endif
)
{
video->tempForwRefVop = video->forwardRefVop; /* keep initial state */
if (video->tempForwRefVop != NULL) video->tempRefSelCode = video->tempForwRefVop->refSelectCode;
video->forwardRefVop = video->prevBaseVop;
video->forwardRefVop->refSelectCode = 1;
}
#ifdef RANDOM_REFSELCODE
else
{
video->tempForwRefVop = video->forwardRefVop; /* keep initial state */
if (video->tempForwRefVop != NULL) video->tempRefSelCode = video->tempForwRefVop->refSelectCode;
video->forwardRefVop = video->prevEnhanceVop;
video->forwardRefVop->refSelectCode = 0;
}
rand_idx++;
rand_idx %= 30;
#endif
video->currVop->refSelectCode = video->forwardRefVop->refSelectCode;
video->currVop->gobNumber = 0;
video->currVop->gobFrameID = video->currVop->predictionType;
video->currVop->temporalRef = ((modTime) * 30 / 1001) % 256;
video->currVop->temporalInterval = 0;
if (video->currVop->predictionType == I_VOP)
video->currVop->quantizer = encParams->InitQuantIvop[currLayer];
else
video->currVop->quantizer = encParams->InitQuantPvop[currLayer];
/****************/
/* Encode Vop */
/****************/
video->slice_coding = 1;
/*pv_status =*/
EncodeVop(video);
#ifdef _PRINT_STAT
if (video->currVop->predictionType == I_VOP)
printf(" I-VOP ");
else
printf(" P-VOP (ref.%d)", video->forwardRefVop->refSelectCode);
#endif
/* Set HintTrack Information */
if (currVol->prevModuloTimeBase)
video->hintTrackInfo.MTB = 1;
else
video->hintTrackInfo.MTB = 0;
video->hintTrackInfo.LayerID = (UChar)currVol->volID;
video->hintTrackInfo.CodeType = (UChar)video->currVop->predictionType;
video->hintTrackInfo.RefSelCode = (UChar)video->currVop->refSelectCode;
return status;
}
#endif /* NO_SLICE_ENCODE */
#ifndef NO_SLICE_ENCODE
/* ======================================================================== */
/* Function : PVEncodePacket() */
/* Date : 04/18/2002 */
/* Purpose : Encode one packet and return bitstream */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVEncodeSlice(VideoEncControls *encCtrl, UChar *bstream, Int *size,
Int *endofFrame, VideoEncFrameIO *vid_out, ULong *nextModTime)
{
PV_STATUS pv_status;
VideoEncData *video = (VideoEncData *)encCtrl->videoEncoderData;
VideoEncParams *encParams = video->encParams;
Vol *currVol;
PV_STATUS EncodeVOS_Start(VideoEncControls *encCtrl);
Vop *temp;
void PaddingEdge(Vop *padVop);
Int currLayer = video->currLayer;
Int pre_skip;
Int pre_size;
/**************************************************************/
/* Initialize Vol stream structure with application bitstream */
/**************************************************************/
currVol = video->vol[currLayer];
currVol->stream->bitstreamBuffer = bstream;
pre_size = currVol->stream->byteCount;
currVol->stream->bufferSize = pre_size + (*size);
/***********************************************************/
/* Encode VOS and VOL Headers on first call for each layer */
/***********************************************************/
if (video->volInitialize[currLayer])
{
if (!video->encParams->GetVolHeader[currLayer])
pv_status = EncodeVOS_Start(encCtrl);
}
/****************/
/* Encode Slice */
/****************/
pv_status = EncodeSlice(video);
*endofFrame = 0;
if (video->mbnum >= currVol->nTotalMB && !video->end_of_buf)
{
*endofFrame = 1;
/************************************/
/* Update Skip Next Frame */
/************************************/
pre_skip = UpdateSkipNextFrame(video, nextModTime, size, pv_status); /* modified such that no pre-skipped */
if (pre_skip == -1) /* error */
{
*endofFrame = -1;
/* make sure that pointers are restored to the previous state */
if (currLayer == 0)
{
video->forwardRefVop = video->tempForwRefVop; /* For P-Vop base only */
video->forwardRefVop->refSelectCode = video->tempRefSelCode;
}
return pv_status;
}
/* If I-VOP was encoded, reset IntraPeriod */
if ((currLayer == 0) && (encParams->IntraPeriod > 0) && (video->currVop->predictionType == I_VOP))
video->nextEncIVop = encParams->IntraPeriod;
/**********************************************************/
/* Copy Reconstructed Buffer to Output Video Frame Buffer */
/**********************************************************/
vid_out->yChan = video->currVop->yChan;
vid_out->uChan = video->currVop->uChan;
vid_out->vChan = video->currVop->vChan;
if (video->encParams->H263_Enabled)
{
vid_out->height = video->currVop->height; /* padded height */
vid_out->pitch = video->currVop->width; /* padded width */
}
else
{
vid_out->height = video->currVop->height + 32; /* padded height */
vid_out->pitch = video->currVop->width + 32; /* padded width */
}
//vid_out->timestamp = video->modTime;
vid_out->timestamp = (ULong)(((video->prevFrameNum[currLayer] * 1000) / encParams->LayerFrameRate[currLayer]) + video->modTimeRef + 0.5);
/*// End /////////////////////// */
/****************************************/
/* Swap Vop Pointers for Base Layer */
/****************************************/
if (currLayer == 0)
{
temp = video->prevBaseVop;
video->prevBaseVop = video->currVop;
video->prevBaseVop->padded = 0; /* not padded */
video->currVop = temp;
video->forwardRefVop = video->prevBaseVop; /* For P-Vop base only */
video->forwardRefVop->refSelectCode = 1;
}
else
{
temp = video->prevEnhanceVop;
video->prevEnhanceVop = video->currVop;
video->prevEnhanceVop->padded = 0; /* not padded */
video->currVop = temp;
video->forwardRefVop = video->prevEnhanceVop;
video->forwardRefVop->refSelectCode = 0;
}
}
/***********************************/
/* Update Ouput bstream byte count */
/***********************************/
*size = currVol->stream->byteCount - pre_size;
/****************************************/
/* Modify the intialize flag at the end.*/
/****************************************/
if (video->volInitialize[currLayer])
video->volInitialize[currLayer] = 0;
return pv_status;
}
#endif /* NO_SLICE_ENCODE */
/* ======================================================================== */
/* Function : PVGetH263ProfileLevelID() */
/* Date : 02/05/2003 */
/* Purpose : Get H.263 Profile ID and level ID for profile 0 */
/* In/out : Profile ID=0, levelID is what we want */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* Note : h263Level[8], rBR_bound[8], max_h263_framerate[2] */
/* max_h263_width[2], max_h263_height[2] are global */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVGetH263ProfileLevelID(VideoEncControls *encCtrl, Int *profileID, Int *levelID)
{
VideoEncData *encData;
Int width, height;
float bitrate_r, framerate;
/* For this version, we only support H.263 profile 0 */
*profileID = 0;
*levelID = 0;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
if (!encData->encParams->H263_Enabled) return PV_FALSE;
/* get image width, height, bitrate and framerate */
width = encData->encParams->LayerWidth[0];
height = encData->encParams->LayerHeight[0];
bitrate_r = (float)(encData->encParams->LayerBitRate[0]) / (float)64000.0;
framerate = encData->encParams->LayerFrameRate[0];
if (!width || !height || !(bitrate_r > 0 && framerate > 0)) return PV_FALSE;
/* This is the most frequent case : level 10 */
if (bitrate_r <= rBR_bound[1] && framerate <= max_h263_framerate[0] &&
(width <= max_h263_width[0] && height <= max_h263_height[0]))
{
*levelID = h263Level[1];
return PV_TRUE;
}
else if (bitrate_r > rBR_bound[4] ||
(width > max_h263_width[1] || height > max_h263_height[1]) ||
framerate > max_h263_framerate[1]) /* check the highest level 70 */
{
*levelID = h263Level[7];
return PV_TRUE;
}
else /* search level 20, 30, 40 */
{
/* pick out level 20 */
if (bitrate_r <= rBR_bound[2] &&
((width <= max_h263_width[0] && height <= max_h263_height[0] && framerate <= max_h263_framerate[1]) ||
(width <= max_h263_width[1] && height <= max_h263_height[1] && framerate <= max_h263_framerate[0])))
{
*levelID = h263Level[2];
return PV_TRUE;
}
else /* width, height and framerate are ok, now choose level 30 or 40 */
{
*levelID = (bitrate_r <= rBR_bound[3] ? h263Level[3] : h263Level[4]);
return PV_TRUE;
}
}
}
/* ======================================================================== */
/* Function : PVGetMPEG4ProfileLevelID() */
/* Date : 26/06/2008 */
/* Purpose : Get MPEG4 Level after initialized */
/* In/out : profile_level according to interface */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVGetMPEG4ProfileLevelID(VideoEncControls *encCtrl, Int *profile_level, Int nLayer)
{
VideoEncData* video;
Int i;
video = (VideoEncData *)encCtrl->videoEncoderData;
if (nLayer == 0)
{
for (i = 0; i < 8; i++)
{
if (video->encParams->ProfileLevel[0] == profile_level_code[i])
{
break;
}
}
*profile_level = i;
}
else
{
for (i = 0; i < 8; i++)
{
if (video->encParams->ProfileLevel[0] == scalable_profile_level_code[i])
{
break;
}
}
*profile_level = i + SIMPLE_SCALABLE_PROFILE_LEVEL0;
}
return true;
}
#ifndef LIMITED_API
/* ======================================================================== */
/* Function : PVUpdateEncFrameRate */
/* Date : 04/08/2002 */
/* Purpose : Update target frame rates of the encoded base and enhance */
/* layer(if any) while encoding operation is ongoing */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVUpdateEncFrameRate(VideoEncControls *encCtrl, float *frameRate)
{
VideoEncData *encData;
Int i;// nTotalMB, mbPerSec;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
/* Update the framerates for all the layers */
for (i = 0; i < encData->encParams->nLayers; i++)
{
/* New check: encoding framerate should be consistent with the given profile and level */
//nTotalMB = (((encData->encParams->LayerWidth[i]+15)/16)*16)*(((encData->encParams->LayerHeight[i]+15)/16)*16)/(16*16);
//mbPerSec = (Int)(nTotalMB * frameRate[i]);
//if(mbPerSec > encData->encParams->LayerMaxMbsPerSec[i]) return PV_FALSE;
if (frameRate[i] > encData->encParams->LayerMaxFrameRate[i]) return PV_FALSE; /* set by users or profile */
encData->encParams->LayerFrameRate[i] = frameRate[i];
}
return RC_UpdateBXRCParams((void*) encData);
}
#endif
#ifndef LIMITED_API
/* ======================================================================== */
/* Function : PVUpdateBitRate */
/* Date : 04/08/2002 */
/* Purpose : Update target bit rates of the encoded base and enhance */
/* layer(if any) while encoding operation is ongoing */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVUpdateBitRate(VideoEncControls *encCtrl, Int *bitRate)
{
VideoEncData *encData;
Int i;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
/* Update the bitrates for all the layers */
for (i = 0; i < encData->encParams->nLayers; i++)
{
if (bitRate[i] > encData->encParams->LayerMaxBitRate[i]) /* set by users or profile */
{
return PV_FALSE;
}
encData->encParams->LayerBitRate[i] = bitRate[i];
}
return RC_UpdateBXRCParams((void*) encData);
}
#endif
#ifndef LIMITED_API
/* ============================================================================ */
/* Function : PVUpdateVBVDelay() */
/* Date : 4/23/2004 */
/* Purpose : Update VBV buffer size(in delay) */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ============================================================================ */
Bool PVUpdateVBVDelay(VideoEncControls *encCtrl, float delay)
{
VideoEncData *encData;
Int total_bitrate, max_buffer_size;
int index;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
/* Check whether the input delay is valid based on the given profile */
total_bitrate = (encData->encParams->nLayers == 1 ? encData->encParams->LayerBitRate[0] :
encData->encParams->LayerBitRate[1]);
index = encData->encParams->profile_table_index;
max_buffer_size = (encData->encParams->nLayers == 1 ? profile_level_max_VBV_size[index] :
scalable_profile_level_max_VBV_size[index]);
if (total_bitrate*delay > (float)max_buffer_size)
return PV_FALSE;
encData->encParams->VBV_delay = delay;
return PV_TRUE;
}
#endif
#ifndef LIMITED_API
/* ======================================================================== */
/* Function : PVUpdateIFrameInterval() */
/* Date : 04/10/2002 */
/* Purpose : updates the INTRA frame refresh interval while encoding */
/* is ongoing */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVUpdateIFrameInterval(VideoEncControls *encCtrl, Int aIFramePeriod)
{
VideoEncData *encData;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
encData->encParams->IntraPeriod = aIFramePeriod;
return PV_TRUE;
}
#endif
#ifndef LIMITED_API
/* ======================================================================== */
/* Function : PVSetNumIntraMBRefresh() */
/* Date : 08/05/2003 */
/* Purpose : */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVUpdateNumIntraMBRefresh(VideoEncControls *encCtrl, Int numMB)
{
VideoEncData *encData;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
encData->encParams->Refresh = numMB;
return PV_TRUE;
}
#endif
#ifndef LIMITED_API
/* ======================================================================== */
/* Function : PVIFrameRequest() */
/* Date : 04/10/2002 */
/* Purpose : encodes the next base frame as an I-Vop */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVIFrameRequest(VideoEncControls *encCtrl)
{
VideoEncData *encData;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
encData->nextEncIVop = 1;
return PV_TRUE;
}
#endif
#ifndef LIMITED_API
/* ======================================================================== */
/* Function : PVGetEncMemoryUsage() */
/* Date : 10/17/2000 */
/* Purpose : */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Int PVGetEncMemoryUsage(VideoEncControls *encCtrl)
{
VideoEncData *encData;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
return encData->encParams->MemoryUsage;
}
#endif
/* ======================================================================== */
/* Function : PVGetHintTrack() */
/* Date : 1/17/2001, */
/* Purpose : */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVGetHintTrack(VideoEncControls *encCtrl, MP4HintTrack *info)
{
VideoEncData *encData;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
info->MTB = encData->hintTrackInfo.MTB;
info->LayerID = encData->hintTrackInfo.LayerID;
info->CodeType = encData->hintTrackInfo.CodeType;
info->RefSelCode = encData->hintTrackInfo.RefSelCode;
return PV_TRUE;
}
/* ======================================================================== */
/* Function : PVGetMaxVideoFrameSize() */
/* Date : 7/17/2001, */
/* Purpose : Function merely returns the maximum buffer size */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVGetMaxVideoFrameSize(VideoEncControls *encCtrl, Int *maxVideoFrameSize)
{
VideoEncData *encData;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
*maxVideoFrameSize = encData->encParams->BufferSize[0];
if (encData->encParams->nLayers == 2)
if (*maxVideoFrameSize < encData->encParams->BufferSize[1])
*maxVideoFrameSize = encData->encParams->BufferSize[1];
*maxVideoFrameSize >>= 3; /* Convert to Bytes */
if (*maxVideoFrameSize <= 4000)
*maxVideoFrameSize = 4000;
return PV_TRUE;
}
#ifndef LIMITED_API
/* ======================================================================== */
/* Function : PVGetVBVSize() */
/* Date : 4/15/2002 */
/* Purpose : Function merely returns the maximum buffer size */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
OSCL_EXPORT_REF Bool PVGetVBVSize(VideoEncControls *encCtrl, Int *VBVSize)
{
VideoEncData *encData;
encData = (VideoEncData *)encCtrl->videoEncoderData;
if (encData == NULL)
return PV_FALSE;
if (encData->encParams == NULL)
return PV_FALSE;
*VBVSize = encData->encParams->BufferSize[0];
if (encData->encParams->nLayers == 2)
*VBVSize += encData->encParams->BufferSize[1];
return PV_TRUE;
}
#endif
/* ======================================================================== */
/* Function : EncodeVOS_Start() */
/* Date : 08/22/2000 */
/* Purpose : Encodes the VOS,VO, and VOL or Short Headers */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
PV_STATUS EncodeVOS_Start(VideoEncControls *encoderControl)
{
VideoEncData *video = (VideoEncData *)encoderControl->videoEncoderData;
Vol *currVol = video->vol[video->currLayer];
PV_STATUS status = PV_SUCCESS;
//int profile_level=0x01;
BitstreamEncVideo *stream = video->bitstream1;
int i, j;
/********************************/
/* Check for short_video_header */
/********************************/
if (currVol->shortVideoHeader == 1)
return status;
else
{
/* Short Video Header or M4V */
/**************************/
/* VisualObjectSequence ()*/
/**************************/
status = BitstreamPutGT16Bits(stream, 32, SESSION_START_CODE);
/* Determine profile_level */
status = BitstreamPutBits(stream, 8, video->encParams->ProfileLevel[video->currLayer]);
/******************/
/* VisualObject() */
/******************/
status = BitstreamPutGT16Bits(stream, 32, VISUAL_OBJECT_START_CODE);
status = BitstreamPut1Bits(stream, 0x00); /* visual object identifier */
status = BitstreamPutBits(stream, 4, 0x01); /* visual object Type == "video ID" */
status = BitstreamPut1Bits(stream, 0x00); /* no video signal type */
/*temp = */
BitstreamMpeg4ByteAlignStuffing(stream);
status = BitstreamPutGT16Bits(stream, 27, VO_START_CODE);/* byte align: should be 2 bits */
status = BitstreamPutBits(stream, 5, 0x00);/* Video ID = 0 */
/**********************/
/* VideoObjectLayer() */
/**********************/
if (currVol->shortVideoHeader == 0)
{ /* M4V else Short Video Header */
status = BitstreamPutGT16Bits(stream, VOL_START_CODE_LENGTH, VOL_START_CODE);
status = BitstreamPutBits(stream, 4, currVol->volID);/* video_object_layer_id */
status = BitstreamPut1Bits(stream, 0x00);/* Random Access = 0 */
if (video->currLayer == 0)
status = BitstreamPutBits(stream, 8, 0x01);/* Video Object Type Indication = 1 ... Simple Object Type */
else
status = BitstreamPutBits(stream, 8, 0x02);/* Video Object Type Indication = 2 ... Simple Scalable Object Type */
status = BitstreamPut1Bits(stream, 0x00);/* is_object_layer_identifer = 0 */
status = BitstreamPutBits(stream, 4, 0x01); /* aspect_ratio_info = 1 ... 1:1(Square) */
status = BitstreamPut1Bits(stream, 0x00);/* vol_control_parameters = 0 */
status = BitstreamPutBits(stream, 2, 0x00);/* video_object_layer_shape = 00 ... rectangular */
status = BitstreamPut1Bits(stream, 0x01);/* marker bit */
status = BitstreamPutGT8Bits(stream, 16, currVol->timeIncrementResolution);/* vop_time_increment_resolution */
status = BitstreamPut1Bits(stream, 0x01);/* marker bit */
status = BitstreamPut1Bits(stream, currVol->fixedVopRate);/* fixed_vop_rate = 0 */
/* For Rectangular VO layer shape */
status = BitstreamPut1Bits(stream, 0x01);/* marker bit */
status = BitstreamPutGT8Bits(stream, 13, currVol->width);/* video_object_layer_width */
status = BitstreamPut1Bits(stream, 0x01);/* marker bit */
status = BitstreamPutGT8Bits(stream, 13, currVol->height);/* video_object_layer_height */
status = BitstreamPut1Bits(stream, 0x01);/*marker bit */
status = BitstreamPut1Bits(stream, 0x00);/*interlaced = 0 */
status = BitstreamPut1Bits(stream, 0x01);/* obmc_disable = 1 */
status = BitstreamPut1Bits(stream, 0x00);/* sprite_enable = 0 */
status = BitstreamPut1Bits(stream, 0x00);/* not_8_bit = 0 */
status = BitstreamPut1Bits(stream, currVol->quantType);/* quant_type */
if (currVol->quantType)
{
status = BitstreamPut1Bits(stream, currVol->loadIntraQuantMat); /* Intra quant matrix */
if (currVol->loadIntraQuantMat)
{
for (j = 63; j >= 1; j--)
if (currVol->iqmat[*(zigzag_i+j)] != currVol->iqmat[*(zigzag_i+j-1)])
break;
if ((j == 1) && (currVol->iqmat[*(zigzag_i+j)] == currVol->iqmat[*(zigzag_i+j-1)]))
j = 0;
for (i = 0; i < j + 1; i++)
BitstreamPutBits(stream, 8, currVol->iqmat[*(zigzag_i+i)]);
if (j < 63)
BitstreamPutBits(stream, 8, 0);
}
else
{
for (j = 0; j < 64; j++)
currVol->iqmat[j] = mpeg_iqmat_def[j];
}
status = BitstreamPut1Bits(stream, currVol->loadNonIntraQuantMat); /* Non-Intra quant matrix */
if (currVol->loadNonIntraQuantMat)
{
for (j = 63; j >= 1; j--)
if (currVol->niqmat[*(zigzag_i+j)] != currVol->niqmat[*(zigzag_i+j-1)])
break;
if ((j == 1) && (currVol->niqmat[*(zigzag_i+j)] == currVol->niqmat[*(zigzag_i+j-1)]))
j = 0;
for (i = 0; i < j + 1; i++)
BitstreamPutBits(stream, 8, currVol->niqmat[*(zigzag_i+i)]);
if (j < 63)
BitstreamPutBits(stream, 8, 0);
}
else
{
for (j = 0; j < 64; j++)
currVol->niqmat[j] = mpeg_nqmat_def[j];
}
}
status = BitstreamPut1Bits(stream, 0x01); /* complexity_estimation_disable = 1 */
status = BitstreamPut1Bits(stream, currVol->ResyncMarkerDisable);/* Resync_marker_disable */
status = BitstreamPut1Bits(stream, currVol->dataPartitioning);/* Data partitioned */
if (currVol->dataPartitioning)
status = BitstreamPut1Bits(stream, currVol->useReverseVLC); /* Reversible_vlc */
if (currVol->scalability) /* Scalability*/
{
status = BitstreamPut1Bits(stream, currVol->scalability);/* Scalability = 1 */
status = BitstreamPut1Bits(stream, currVol->scalType);/* hierarchy _type ... Spatial= 0 and Temporal = 1 */
status = BitstreamPutBits(stream, 4, currVol->refVolID);/* ref_layer_id */
status = BitstreamPut1Bits(stream, currVol->refSampDir);/* ref_layer_sampling_direc*/
status = BitstreamPutBits(stream, 5, currVol->horSamp_n);/*hor_sampling_factor_n*/
status = BitstreamPutBits(stream, 5, currVol->horSamp_m);/*hor_sampling_factor_m*/
status = BitstreamPutBits(stream, 5, currVol->verSamp_n);/*vert_sampling_factor_n*/
status = BitstreamPutBits(stream, 5, currVol->verSamp_m);/*vert_sampling_factor_m*/
status = BitstreamPut1Bits(stream, currVol->enhancementType);/* enhancement_type*/
}
else /* No Scalability */
status = BitstreamPut1Bits(stream, currVol->scalability);/* Scalability = 0 */
/*temp = */
BitstreamMpeg4ByteAlignStuffing(stream); /* Byte align Headers for VOP */
}
}
return status;
}
/* ======================================================================== */
/* Function : VOS_End() */
/* Date : 08/22/2000 */
/* Purpose : Visual Object Sequence End */
/* In/out : */
/* Return : PV_TRUE if successed, PV_FALSE if failed. */
/* Modified : */
/* */
/* ======================================================================== */
PV_STATUS VOS_End(VideoEncControls *encoderControl)
{
PV_STATUS status = PV_SUCCESS;
VideoEncData *video = (VideoEncData *)encoderControl->videoEncoderData;
Vol *currVol = video->vol[video->currLayer];
BitstreamEncVideo *stream = currVol->stream;
status = BitstreamPutBits(stream, SESSION_END_CODE, 32);
return status;
}
/* ======================================================================== */
/* Function : DetermineCodingLayer */
/* Date : 06/02/2001 */
/* Purpose : Find layer to code based on current mod time, assuming that
it's time to encode enhanced layer. */
/* In/out : */
/* Return : Number of layer to code. */
/* Modified : */
/* */
/* ======================================================================== */
Int DetermineCodingLayer(VideoEncData *video, Int *nLayer, ULong modTime)
{
Vol **vol = video->vol;
VideoEncParams *encParams = video->encParams;
Int numLayers = encParams->nLayers;
UInt modTimeRef = video->modTimeRef;
float *LayerFrameRate = encParams->LayerFrameRate;
UInt frameNum[4], frameTick;
ULong frameModTime, nextFrmModTime;
#ifdef REDUCE_FRAME_VARIANCE /* To limit how close 2 frames can be */
float frameInterval;
#endif
float srcFrameInterval;
Int frameInc;
Int i, extra_skip;
Int encodeVop = 0;
i = numLayers - 1;
if (modTime - video->nextModTime > ((ULong)(-1)) >> 1) /* next time wrapped around */
return 0; /* not time to code it yet */
video->relLayerCodeTime[i] -= 1000;
video->nextEncIVop--; /* number of Vops in highest layer resolution. */
video->numVopsInGOP++;
/* from this point frameModTime and nextFrmModTime are internal */
frameNum[i] = (UInt)((modTime - modTimeRef) * LayerFrameRate[i] + 500) / 1000;
if (video->volInitialize[i])
{
video->prevFrameNum[i] = frameNum[i] - 1;
}
else if (frameNum[i] <= video->prevFrameNum[i])
{
return 0; /* do not encode this frame */
}
/**** this part computes expected next frame *******/
frameModTime = (ULong)(((frameNum[i] * 1000) / LayerFrameRate[i]) + modTimeRef + 0.5); /* rec. time */
nextFrmModTime = (ULong)((((frameNum[i] + 1) * 1000) / LayerFrameRate[i]) + modTimeRef + 0.5); /* rec. time */
srcFrameInterval = 1000 / video->FrameRate;
video->nextModTime = nextFrmModTime - (ULong)(srcFrameInterval / 2.) - 1; /* between current and next frame */
#ifdef REDUCE_FRAME_VARIANCE /* To limit how close 2 frames can be */
frameInterval = 1000 / LayerFrameRate[i]; /* next rec. time */
delta = (Int)(frameInterval / 4); /* empirical number */
if (video->nextModTime - modTime < (ULong)delta) /* need to move nextModTime further. */
{
video->nextModTime += ((delta - video->nextModTime + modTime)); /* empirical formula */
}
#endif
/****************************************************/
/* map frame no.to tick from modTimeRef */
/*frameTick = (frameNum[i]*vol[i]->timeIncrementResolution) ;
frameTick = (UInt)((frameTick + (encParams->LayerFrameRate[i]/2))/encParams->LayerFrameRate[i]);*/
/* 11/16/01, change frameTick to be the closest tick from the actual modTime */
/* 12/12/02, add (double) to prevent large number wrap-around */
frameTick = (Int)(((double)(modTime - modTimeRef) * vol[i]->timeIncrementResolution + 500) / 1000);
/* find timeIncrement to be put in the bitstream */
/* refTick is second boundary reference. */
vol[i]->timeIncrement = frameTick - video->refTick[i];
vol[i]->moduloTimeBase = 0;
while (vol[i]->timeIncrement >= vol[i]->timeIncrementResolution)
{
vol[i]->timeIncrement -= vol[i]->timeIncrementResolution;
vol[i]->moduloTimeBase++;
/* do not update refTick and modTimeRef yet, do it after encoding!! */
}
if (video->relLayerCodeTime[i] <= 0) /* no skipping */
{
encodeVop = 1;
video->currLayer = *nLayer = i;
video->relLayerCodeTime[i] += 1000;
/* takes care of more dropped frame than expected */
extra_skip = -1;
frameInc = (frameNum[i] - video->prevFrameNum[i]);
extra_skip += frameInc;
if (extra_skip > 0)
{ /* update rc->Nr, rc->B, (rc->Rr)*/
video->nextEncIVop -= extra_skip;
video->numVopsInGOP += extra_skip;
if (encParams->RC_Type != CONSTANT_Q)
{
RC_UpdateBuffer(video, i, extra_skip);
}
}
}
/* update frame no. */
video->prevFrameNum[i] = frameNum[i];
/* go through all lower layer */
for (i = (numLayers - 2); i >= 0; i--)
{
video->relLayerCodeTime[i] -= 1000;
/* find timeIncrement to be put in the bitstream */
vol[i]->timeIncrement = frameTick - video->refTick[i];
if (video->relLayerCodeTime[i] <= 0) /* time to encode base */
{
/* 12/27/00 */
encodeVop = 1;
video->currLayer = *nLayer = i;
video->relLayerCodeTime[i] +=
(Int)((1000.0 * encParams->LayerFrameRate[numLayers-1]) / encParams->LayerFrameRate[i]);
vol[i]->moduloTimeBase = 0;
while (vol[i]->timeIncrement >= vol[i]->timeIncrementResolution)
{
vol[i]->timeIncrement -= vol[i]->timeIncrementResolution;
vol[i]->moduloTimeBase++;
/* do not update refTick and modTimeRef yet, do it after encoding!! */
}
/* takes care of more dropped frame than expected */
frameNum[i] = (UInt)((frameModTime - modTimeRef) * encParams->LayerFrameRate[i] + 500) / 1000;
if (video->volInitialize[i])
video->prevFrameNum[i] = frameNum[i] - 1;
extra_skip = -1;
frameInc = (frameNum[i] - video->prevFrameNum[i]);
extra_skip += frameInc;
if (extra_skip > 0)
{ /* update rc->Nr, rc->B, (rc->Rr)*/
if (encParams->RC_Type != CONSTANT_Q)
{
RC_UpdateBuffer(video, i, extra_skip);
}
}
/* update frame no. */
video->prevFrameNum[i] = frameNum[i];
}
}
#ifdef _PRINT_STAT
if (encodeVop)
printf(" TI: %d ", vol[*nLayer]->timeIncrement);
#endif
return encodeVop;
}
/* ======================================================================== */
/* Function : DetermineVopType */
/* Date : 06/02/2001 */
/* Purpose : The name says it all. */
/* In/out : */
/* Return : void . */
/* Modified : */
/* */
/* ======================================================================== */
void DetermineVopType(VideoEncData *video, Int currLayer)
{
VideoEncParams *encParams = video->encParams;
// Vol *currVol = video->vol[currLayer];
if (encParams->IntraPeriod == 0) /* I-VOPs only */
{
if (video->currLayer > 0)
video->currVop->predictionType = P_VOP;
else
{
video->currVop->predictionType = I_VOP;
if (video->numVopsInGOP >= 132)
video->numVopsInGOP = 0;
}
}
else if (encParams->IntraPeriod == -1) /* IPPPPP... */
{
/* maintain frame type if previous frame is pre-skipped, 06/02/2001 */
if (encParams->RC_Type == CONSTANT_Q || video->rc[currLayer]->skip_next_frame != -1)
video->currVop->predictionType = P_VOP;
if (video->currLayer == 0)
{
if (/*video->numVopsInGOP>=132 || */video->volInitialize[currLayer])
{
video->currVop->predictionType = I_VOP;
video->numVopsInGOP = 0; /* force INTRA update every 132 base frames*/
video->nextEncIVop = 1;
}
else if (video->nextEncIVop == 0 || video->currVop->predictionType == I_VOP)
{
video->numVopsInGOP = 0;
video->nextEncIVop = 1;
}
}
}
else /* IntraPeriod>0 : IPPPPPIPPPPPI... */
{
/* maintain frame type if previous frame is pre-skipped, 06/02/2001 */
if (encParams->RC_Type == CONSTANT_Q || video->rc[currLayer]->skip_next_frame != -1)
video->currVop->predictionType = P_VOP;
if (currLayer == 0)
{
if (video->nextEncIVop <= 0 || video->currVop->predictionType == I_VOP)
{
video->nextEncIVop = encParams->IntraPeriod;
video->currVop->predictionType = I_VOP;
video->numVopsInGOP = 0;
}
}
}
return ;
}
/* ======================================================================== */
/* Function : UpdateSkipNextFrame */
/* Date : 06/02/2001 */
/* Purpose : From rate control frame skipping decision, update timing
related parameters. */
/* In/out : */
/* Return : Current coded layer. */
/* Modified : */
/* */
/* ======================================================================== */
Int UpdateSkipNextFrame(VideoEncData *video, ULong *modTime, Int *size, PV_STATUS status)
{
Int currLayer = video->currLayer;
Int nLayer = currLayer;
VideoEncParams *encParams = video->encParams;
Int numLayers = encParams->nLayers;
Vol *currVol = video->vol[currLayer];
Vol **vol = video->vol;
Int num_skip, extra_skip;
Int i;
UInt newRefTick, deltaModTime;
UInt temp;
if (encParams->RC_Type != CONSTANT_Q)
{
if (video->volInitialize[0] && currLayer == 0) /* always encode the first frame */
{
RC_ResetSkipNextFrame(video, currLayer);
//return currLayer; 09/15/05
}
else
{
if (RC_GetSkipNextFrame(video, currLayer) < 0 || status == PV_END_OF_BUF) /* Skip Current Frame */
{
#ifdef _PRINT_STAT
printf("Skip current frame");
#endif
currVol->moduloTimeBase = currVol->prevModuloTimeBase;
/*********************/
/* prepare to return */
/*********************/
*size = 0; /* Set Bitstream buffer to zero */
/* Determine nLayer and modTime for next encode */
*modTime = video->nextModTime;
nLayer = -1;
return nLayer; /* return immediately without updating RefTick & modTimeRef */
/* If I-VOP was attempted, then ensure next base is I-VOP */
/*if((encParams->IntraPeriod>0) && (video->currVop->predictionType == I_VOP))
video->nextEncIVop = 0; commented out by 06/05/01 */
}
else if ((num_skip = RC_GetSkipNextFrame(video, currLayer)) > 0)
{
#ifdef _PRINT_STAT
printf("Skip next %d frames", num_skip);
#endif
/* to keep the Nr of enh layer the same */
/* adjust relLayerCodeTime only, do not adjust layerCodeTime[numLayers-1] */
extra_skip = 0;
for (i = 0; i < currLayer; i++)
{
if (video->relLayerCodeTime[i] <= 1000)
{
extra_skip = 1;
break;
}
}
for (i = currLayer; i < numLayers; i++)
{
video->relLayerCodeTime[i] += (num_skip + extra_skip) *
((Int)((1000.0 * encParams->LayerFrameRate[numLayers-1]) / encParams->LayerFrameRate[i]));
}
}
}/* first frame */
}
/***** current frame is encoded, now update refTick ******/
video->refTick[currLayer] += vol[currLayer]->prevModuloTimeBase * vol[currLayer]->timeIncrementResolution;
/* Reset layerCodeTime every I-VOP to prevent overflow */
if (currLayer == 0)
{
/* 12/12/02, fix for weird targer frame rate of 9.99 fps or 3.33 fps */
if (((encParams->IntraPeriod != 0) /*&& (video->currVop->predictionType==I_VOP)*/) ||
((encParams->IntraPeriod == 0) && (video->numVopsInGOP == 0)))
{
newRefTick = video->refTick[0];
for (i = 1; i < numLayers; i++)
{
if (video->refTick[i] < newRefTick)
newRefTick = video->refTick[i];
}
/* check to make sure that the update is integer multiple of frame number */
/* how many msec elapsed from last modTimeRef */
deltaModTime = (newRefTick / vol[0]->timeIncrementResolution) * 1000;
for (i = numLayers - 1; i >= 0; i--)
{
temp = (UInt)(deltaModTime * encParams->LayerFrameRate[i]); /* 12/12/02 */
if (temp % 1000)
newRefTick = 0;
}
if (newRefTick > 0)
{
video->modTimeRef += deltaModTime;
for (i = numLayers - 1; i >= 0; i--)
{
video->prevFrameNum[i] -= (UInt)(deltaModTime * encParams->LayerFrameRate[i]) / 1000;
video->refTick[i] -= newRefTick;
}
}
}
}
*modTime = video->nextModTime;
return nLayer;
}
#ifndef ORIGINAL_VERSION
/* ======================================================================== */
/* Function : SetProfile_BufferSize */
/* Date : 04/08/2002 */
/* Purpose : Set profile and video buffer size, copied from Jim's code */
/* in PVInitVideoEncoder(.), since we have different places */
/* to reset profile and video buffer size */
/* In/out : */
/* Return : */
/* Modified : */
/* */
/* ======================================================================== */
Bool SetProfile_BufferSize(VideoEncData *video, float delay, Int bInitialized)
{
Int i, j, start, end;
// Int BaseMBsPerSec = 0, EnhMBsPerSec = 0;
Int nTotalMB = 0;
Int idx, temp_w, temp_h, max = 0, max_width, max_height;
Int nLayers = video->encParams->nLayers; /* Number of Layers to be encoded */
Int total_bitrate = 0, base_bitrate;
Int total_packet_size = 0, base_packet_size;
Int total_MBsPerSec = 0, base_MBsPerSec;
Int total_VBV_size = 0, base_VBV_size, enhance_VBV_size = 0;
float total_framerate, base_framerate;
float upper_bound_ratio;
Int bFound = 0;
Int k = 0, width16, height16, index;
Int lowest_level;
#define MIN_BUFF 16000 /* 16k minimum buffer size */
#define BUFF_CONST 2.0 /* 2000ms */
#define UPPER_BOUND_RATIO 8.54 /* upper_bound = 1.4*(1.1+bound/10)*bitrate/framerate */
#define QCIF_WIDTH 176
#define QCIF_HEIGHT 144
index = video->encParams->profile_table_index;
/* Calculate "nTotalMB" */
/* Find the maximum width*height for memory allocation of the VOPs */
for (idx = 0; idx < nLayers; idx++)
{
temp_w = video->encParams->LayerWidth[idx];
temp_h = video->encParams->LayerHeight[idx];
if ((temp_w*temp_h) > max)
{
max = temp_w * temp_h;
max_width = temp_w;
max_height = temp_h;
nTotalMB = ((max_width + 15) >> 4) * ((max_height + 15) >> 4);
}
}
upper_bound_ratio = (video->encParams->RC_Type == CBR_LOWDELAY ? (float)5.0 : (float)UPPER_BOUND_RATIO);
/* Get the basic information: bitrate, packet_size, MBs/s and VBV_size */
base_bitrate = video->encParams->LayerBitRate[0];
if (video->encParams->LayerMaxBitRate[0] != 0) /* video->encParams->LayerMaxBitRate[0] == 0 means it has not been set */
{
base_bitrate = PV_MAX(base_bitrate, video->encParams->LayerMaxBitRate[0]);
}
else /* if the max is not set, set it to the specified profile/level */
{
video->encParams->LayerMaxBitRate[0] = profile_level_max_bitrate[index];
}
base_framerate = video->encParams->LayerFrameRate[0];
if (video->encParams->LayerMaxFrameRate[0] != 0)
{
base_framerate = PV_MAX(base_framerate, video->encParams->LayerMaxFrameRate[0]);
}
else /* if the max is not set, set it to the specified profile/level */
{
video->encParams->LayerMaxFrameRate[0] = (float)profile_level_max_mbsPerSec[index] / nTotalMB;
}
base_packet_size = video->encParams->ResyncPacketsize;
base_MBsPerSec = (Int)(base_framerate * nTotalMB);
base_VBV_size = PV_MAX((Int)(base_bitrate * delay),
(Int)(upper_bound_ratio * base_bitrate / base_framerate));
base_VBV_size = PV_MAX(base_VBV_size, MIN_BUFF);
/* if the buffer is larger than maximum buffer size, we'll clip it */
if (base_VBV_size > profile_level_max_VBV_size[5])
base_VBV_size = profile_level_max_VBV_size[5];
/* Check if the buffer exceeds the maximum buffer size given the maximum profile and level */
if (nLayers == 1 && base_VBV_size > profile_level_max_VBV_size[index])
return FALSE;
if (nLayers == 2)
{
total_bitrate = video->encParams->LayerBitRate[1];
if (video->encParams->LayerMaxBitRate[1] != 0)
{
total_bitrate = PV_MIN(total_bitrate, video->encParams->LayerMaxBitRate[1]);
}
else /* if the max is not set, set it to the specified profile/level */
{
video->encParams->LayerMaxBitRate[1] = scalable_profile_level_max_bitrate[index];
}
total_framerate = video->encParams->LayerFrameRate[1];
if (video->encParams->LayerMaxFrameRate[1] != 0)
{
total_framerate = PV_MIN(total_framerate, video->encParams->LayerMaxFrameRate[1]);
}
else /* if the max is not set, set it to the specified profile/level */
{
video->encParams->LayerMaxFrameRate[1] = (float)scalable_profile_level_max_mbsPerSec[index] / nTotalMB;
}
total_packet_size = video->encParams->ResyncPacketsize;
total_MBsPerSec = (Int)(total_framerate * nTotalMB);
enhance_VBV_size = PV_MAX((Int)((total_bitrate - base_bitrate) * delay),
(Int)(upper_bound_ratio * (total_bitrate - base_bitrate) / (total_framerate - base_framerate)));
enhance_VBV_size = PV_MAX(enhance_VBV_size, MIN_BUFF);
total_VBV_size = base_VBV_size + enhance_VBV_size;
/* if the buffer is larger than maximum buffer size, we'll clip it */
if (total_VBV_size > scalable_profile_level_max_VBV_size[6])
{
total_VBV_size = scalable_profile_level_max_VBV_size[6];
enhance_VBV_size = total_VBV_size - base_VBV_size;
}
/* Check if the buffer exceeds the maximum buffer size given the maximum profile and level */
if (total_VBV_size > scalable_profile_level_max_VBV_size[index])
return FALSE;
}
if (!bInitialized) /* Has been initialized --> profile @ level has been figured out! */
{
video->encParams->BufferSize[0] = base_VBV_size;
if (nLayers > 1)
video->encParams->BufferSize[1] = enhance_VBV_size;
return PV_TRUE;
}
/* Profile @ level determination */
if (nLayers == 1)
{
/* BASE ONLY : Simple Profile(SP) Or Core Profile(CP) */
if (base_bitrate > profile_level_max_bitrate[index] ||
base_packet_size > profile_level_max_packet_size[index] ||
base_MBsPerSec > profile_level_max_mbsPerSec[index] ||
base_VBV_size > profile_level_max_VBV_size[index])
return PV_FALSE; /* Beyond the bound of Core Profile @ Level2 */
/* For H263/Short header, determine k*16384 */
width16 = ((video->encParams->LayerWidth[0] + 15) >> 4) << 4;
height16 = ((video->encParams->LayerHeight[0] + 15) >> 4) << 4;
if (video->encParams->H263_Enabled)
{
k = 4;
if (width16 == 2*QCIF_WIDTH && height16 == 2*QCIF_HEIGHT) /* CIF */
k = 16;
else if (width16 == 4*QCIF_WIDTH && height16 == 4*QCIF_HEIGHT) /* 4CIF */
k = 32;
else if (width16 == 8*QCIF_WIDTH && height16 == 8*QCIF_HEIGHT) /* 16CIF */
k = 64;
video->encParams->maxFrameSize = k * 16384;
/* Make sure the buffer size is limited to the top profile and level: the Core profile and level 2 */
if (base_VBV_size > (Int)(k*16384 + 4*(float)profile_level_max_bitrate[5]*1001.0 / 30000.0))
base_VBV_size = (Int)(k * 16384 + 4 * (float)profile_level_max_bitrate[5] * 1001.0 / 30000.0);
if (base_VBV_size > (Int)(k*16384 + 4*(float)profile_level_max_bitrate[index]*1001.0 / 30000.0))
return PV_FALSE;
}
/* Search the appropriate profile@level index */
if (!video->encParams->H263_Enabled &&
(video->encParams->IntraDCVlcThr != 0 || video->encParams->SearchRange > 16))
{
lowest_level = 1; /* cannot allow SPL0 */
}
else
{
lowest_level = 0; /* SPL0 */
}
for (i = lowest_level; i <= index; i++)
{
if (i != 4 && /* skip Core Profile@Level1 because the parameters in it are smaller than those in Simple Profile@Level3 */
base_bitrate <= profile_level_max_bitrate[i] &&
base_packet_size <= profile_level_max_packet_size[i] &&
base_MBsPerSec <= profile_level_max_mbsPerSec[i] &&
base_VBV_size <= (video->encParams->H263_Enabled ? (Int)(k*16384 + 4*(float)profile_level_max_bitrate[i]*1001.0 / 30000.0) :
profile_level_max_VBV_size[i]))
break;
}
if (i > index) return PV_FALSE; /* Nothing found!! */
/* Found out the actual profile @ level : index "i" */
if (i == 0)
{
/* For Simple Profile @ Level 0, we need to do one more check: image size <= QCIF */
if (width16 > QCIF_WIDTH || height16 > QCIF_HEIGHT)
i = 1; /* image size > QCIF, then set SP level1 */
}
video->encParams->ProfileLevel[0] = profile_level_code[i];
video->encParams->BufferSize[0] = base_VBV_size;
if (video->encParams->LayerMaxBitRate[0] == 0)
video->encParams->LayerMaxBitRate[0] = profile_level_max_bitrate[i];
if (video->encParams->LayerMaxFrameRate[0] == 0)
video->encParams->LayerMaxFrameRate[0] = PV_MIN(30, (float)profile_level_max_mbsPerSec[i] / nTotalMB);
/* For H263/Short header, one special constraint for VBV buffer size */
if (video->encParams->H263_Enabled)
video->encParams->BufferSize[0] = (Int)(k * 16384 + 4 * (float)profile_level_max_bitrate[i] * 1001.0 / 30000.0);
}
else
{
/* SCALABALE MODE: Simple Scalable Profile(SSP) Or Core Scalable Profile(CSP) */
if (total_bitrate > scalable_profile_level_max_bitrate[index] ||
total_packet_size > scalable_profile_level_max_packet_size[index] ||
total_MBsPerSec > scalable_profile_level_max_mbsPerSec[index] ||
total_VBV_size > scalable_profile_level_max_VBV_size[index])
return PV_FALSE; /* Beyond given profile and level */
/* One-time check: Simple Scalable Profile or Core Scalable Profile */
if (total_bitrate <= scalable_profile_level_max_bitrate[2] &&
total_packet_size <= scalable_profile_level_max_packet_size[2] &&
total_MBsPerSec <= scalable_profile_level_max_mbsPerSec[2] &&
total_VBV_size <= scalable_profile_level_max_VBV_size[2])
{
start = 0;
end = index;
}
else
{
start = 4;
end = index;
}
/* Search the scalable profile */
for (i = start; i <= end; i++)
{
if (total_bitrate <= scalable_profile_level_max_bitrate[i] &&
total_packet_size <= scalable_profile_level_max_packet_size[i] &&
total_MBsPerSec <= scalable_profile_level_max_mbsPerSec[i] &&
total_VBV_size <= scalable_profile_level_max_VBV_size[i])
break;
}
if (i > end) return PV_FALSE;
/* Search the base profile */
if (i == 0)
{
j = 0;
bFound = 1;
}
else bFound = 0;
for (j = start; !bFound && j <= i; j++)
{
if (base_bitrate <= profile_level_max_bitrate[j] &&
base_packet_size <= profile_level_max_packet_size[j] &&
base_MBsPerSec <= profile_level_max_mbsPerSec[j] &&
base_VBV_size <= profile_level_max_VBV_size[j])
{
bFound = 1;
break;
}
}
if (!bFound) // && start == 4)
return PV_FALSE; /* mis-match in the profiles between base layer and enhancement layer */
/* j for base layer, i for enhancement layer */
video->encParams->ProfileLevel[0] = profile_level_code[j];
video->encParams->ProfileLevel[1] = scalable_profile_level_code[i];
video->encParams->BufferSize[0] = base_VBV_size;
video->encParams->BufferSize[1] = enhance_VBV_size;
if (video->encParams->LayerMaxBitRate[0] == 0)
video->encParams->LayerMaxBitRate[0] = profile_level_max_bitrate[j];
if (video->encParams->LayerMaxBitRate[1] == 0)
video->encParams->LayerMaxBitRate[1] = scalable_profile_level_max_bitrate[i];
if (video->encParams->LayerMaxFrameRate[0] == 0)
video->encParams->LayerMaxFrameRate[0] = PV_MIN(30, (float)profile_level_max_mbsPerSec[j] / nTotalMB);
if (video->encParams->LayerMaxFrameRate[1] == 0)
video->encParams->LayerMaxFrameRate[1] = PV_MIN(30, (float)scalable_profile_level_max_mbsPerSec[i] / nTotalMB);
} /* end of: if(nLayers == 1) */
if (!video->encParams->H263_Enabled && (video->encParams->ProfileLevel[0] == 0x08)) /* SPL0 restriction*/
{
/* PV only allow frame-based rate control, no QP change from one MB to another
if(video->encParams->ACDCPrediction == TRUE && MB-based rate control)
return PV_FALSE */
}
return PV_TRUE;
}
#endif /* #ifndef ORIGINAL_VERSION */