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frames.h File Reference#include "ansi.h"
#include "mtypes.h"
#include "mheaders.h"
#include "frame.h"
Go to the source code of this file.
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Data Structures |
| struct | dct_data_tye_struct |
| struct | FrameTableStruct |
Defines |
| #define | I_FRAME 1 |
| #define | P_FRAME 2 |
| #define | B_FRAME 3 |
| #define | LUM_BLOCK 0 |
| #define | CHROM_BLOCK 1 |
| #define | CR_BLOCK 2 |
| #define | CB_BLOCK 3 |
| #define | MOTION_FORWARD 0 |
| #define | MOTION_BACKWARD 1 |
| #define | MOTION_INTERPOLATE 2 |
| #define | USE_HALF 0 |
| #define | USE_FULL 1 |
| #define | FORW_F_CODE fCode |
| #define | BACK_F_CODE fCode |
| #define | FORW_F (1 << (FORW_F_CODE - 1)) |
| #define | BACK_F (1 << (BACK_F_CODE - 1)) |
| #define | RANGE_NEG (-(1 << (3 + FORW_F_CODE))) |
| #define | RANGE_POS ((1 << (3 + FORW_F_CODE))-1) |
| #define | MODULUS (1 << (4 + FORW_F_CODE)) |
| #define | ORIGINAL_FRAME 0 |
| #define | DECODED_FRAME 1 |
| #define | FRAME_TYPE(num) framePattern[num % framePatternLen] |
| #define | int_ceil_div(a, b, c) ((b*(c = a/b) < a) ? (c+1) : c) |
| #define | int_floor_div(a, b, c) ((b*(c = a/b) > a) ? (c-1) : c) |
| #define | GEN_I_BLOCK(frameType, frame, bb, mbAI, qscale) |
| #define | BLOCK_TO_FRAME_COORD(bx1, bx2, x1, x2) |
| #define | MOTION_TO_FRAME_COORD(bx1, bx2, mx1, mx2, x1, x2) |
| #define | COORD_IN_FRAME(fy, fx, type) |
| #define | ENCODE_MOTION_VECTOR(x, y, xq, yq, xr, yr, f) |
| #define | DoQuant(bit, src, dest) |
Typedefs |
| typedef FrameTableStruct | FrameTable |
| typedef dct_data_tye_struct | dct_data_type |
Functions |
| void EncodeYDC | _ANSI_ARGS_ ((int32 dc_term, int32 *pred_term, BitBucket *bb)) |
| void ComputeBMotionLumBlock | _ANSI_ARGS_ ((MpegFrame *prev, MpegFrame *next, int by, int bx, int mode, int fmy, int fmx, int bmy, int bmx, LumBlock motionBlock)) |
| int BMotionSearch | _ANSI_ARGS_ ((LumBlock currentBlock, MpegFrame *prev, MpegFrame *next, int by, int bx, int *fmy, int *fmx, int *bmy, int *bmx, int oldMode)) |
| void ComputeDiffDCTs | _ANSI_ARGS_ ((MpegFrame *current, MpegFrame *prev, int by, int bx, int my, int mx, int *pattern)) |
| int ComputeDiffDCTBlock | _ANSI_ARGS_ ((Block current, Block dest, Block motionBlock)) |
| void ComputeMotionBlock | _ANSI_ARGS_ ((uint8 **prev, int by, int bx, int my, int mx, Block motionBlock)) |
| void ComputeMotionLumBlock | _ANSI_ARGS_ ((MpegFrame *prevFrame, int by, int bx, int my, int mx, LumBlock motionBlock)) |
| int32 ComputeBlockMAD | _ANSI_ARGS_ ((Block current, Block prev)) |
| void GenIFrame | _ANSI_ARGS_ ((BitBucket *bb, MpegFrame *mf)) |
| void GenPFrame | _ANSI_ARGS_ ((BitBucket *bb, MpegFrame *current, MpegFrame *prev)) |
| void GenBFrame | _ANSI_ARGS_ ((BitBucket *bb, MpegFrame *curr, MpegFrame *prev, MpegFrame *next)) |
| void AllocDctBlocks | _ANSI_ARGS_ ((void)) |
| float ShowIFrameSummary | _ANSI_ARGS_ ((int inputFrameBits, int32 totalBits, FILE *fpointer)) |
| int32 LumBlockMAD | _ANSI_ARGS_ ((LumBlock currentBlock, LumBlock motionBlock, int32 bestSoFar)) |
| int32 LumMotionError | _ANSI_ARGS_ ((LumBlock currentBlock, MpegFrame *prev, int by, int bx, int my, int mx, int32 bestSoFar)) |
| int32 LumAddMotionError | _ANSI_ARGS_ ((LumBlock currentBlock, LumBlock blockSoFar, MpegFrame *prev, int by, int bx, int my, int mx, int32 bestSoFar)) |
| int32 LumMotionErrorA | _ANSI_ARGS_ ((LumBlock current, MpegFrame *prevFrame, int by, int bx, int my, int mx, int32 bestSoFar)) |
| int32 LumMotionErrorSubSampled | _ANSI_ARGS_ ((LumBlock currentBlock, MpegFrame *prevFrame, int by, int bx, int my, int mx, int startY, int startX)) |
| void BlockComputeSNR | _ANSI_ARGS_ ((MpegFrame *current, float *snr, float *psnr)) |
Variables |
| int | pixelFullSearch |
| int | searchRangeP |
| int | searchRangeB |
| int | qscaleI |
| int | gopSize |
| int | slicesPerFrame |
| int | blocksPerSlice |
| int | referenceFrame |
| int | specificsOn |
| int | quietTime |
| boolean | realQuiet |
| boolean | frameSummary |
| boolean | printSNR |
| boolean | printMSE |
| boolean | decodeRefFrames |
| int | fCodeI |
| int | fCodeP |
| int | fCodeB |
| boolean | forceEncodeLast |
| int | TIME_RATE |
Define Documentation
| #define BACK_F (1 << (BACK_F_CODE - 1))
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| #define BACK_F_CODE fCode
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| #define BLOCK_TO_FRAME_COORD |
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bx1, |
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bx2, |
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x1, |
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x2 |
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) |
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Value: { \
x1 = (bx1)*DCTSIZE; \
x2 = (bx2)*DCTSIZE; \
}
Definition at line 244 of file frames.h. |
| #define COORD_IN_FRAME |
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fy, |
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fx, |
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type |
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) |
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Value: ((type == LUM_BLOCK) ? \
((fy >= 0) && (fx >= 0) && (fy < Fsize_y) && (fx < Fsize_x)) : \
((fy >= 0) && (fx >= 0) && (fy < (Fsize_y>>1)) && (fx < (Fsize_x>>1))))
Definition at line 254 of file frames.h. |
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Value: if (pattern & bit) { \
switch (Mpost_QuantZigBlock(src, dest, QScale, FALSE)) { \
case MPOST_NON_ZERO: \
break; \
case MPOST_ZERO: \
pattern ^= bit; \
break; \
case MPOST_OVERFLOW: \
if (QScale != 31) { \
QScale++; \
overflowChange = TRUE; \
overflowValue++; \
goto calc_blocks; \
} \
break; \
} \
}
Definition at line 288 of file frames.h. |
| #define ENCODE_MOTION_VECTOR |
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x, |
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y, |
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xq, |
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yq, |
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xr, |
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yr, |
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f |
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) |
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Value: { \
int tempC; \
\
if ( x < RANGE_NEG ) tempX = x + MODULUS; \
else if ( x > RANGE_POS ) tempX = x - MODULUS; \
else tempX = x; \
\
if ( y < RANGE_NEG ) tempY = y + MODULUS; \
else if ( y > RANGE_POS ) tempY = y - MODULUS; \
else tempY = y; \
\
if ( tempX >= 0 ) { \
xq = int_ceil_div(tempX, f, tempC); \
xr = f - 1 + tempX - xq*f; \
} else { \
xq = int_floor_div(tempX, f, tempC); \
xr = f - 1 - tempX + xq*f; \
} \
\
if ( tempY >= 0 ) { \
yq = int_ceil_div(tempY, f, tempC); \
yr = f - 1 + tempY - yq*f; \
} else { \
yq = int_floor_div(tempY, f, tempC); \
yr = f - 1 - tempY + yq*f; \
} \
}
Definition at line 259 of file frames.h. |
| #define FORW_F (1 << (FORW_F_CODE - 1))
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| #define FORW_F_CODE fCode
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| #define int_ceil_div |
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a, |
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b, |
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c |
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((b*(c = a/b) < a) ? (c+1) : c)
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| #define int_floor_div |
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a, |
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b, |
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c |
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((b*(c = a/b) > a) ? (c-1) : c)
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| #define MODULUS (1 << (4 + FORW_F_CODE))
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| #define MOTION_BACKWARD 1
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| #define MOTION_INTERPOLATE 2
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| #define MOTION_TO_FRAME_COORD |
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bx1, |
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bx2, |
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mx1, |
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mx2, |
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x1, |
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x2 |
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) |
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Value: { \
x1 = (bx1)*DCTSIZE+(mx1); \
x2 = (bx2)*DCTSIZE+(mx2); \
}
Definition at line 249 of file frames.h. |
| #define RANGE_NEG (-(1 << (3 + FORW_F_CODE)))
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| #define RANGE_POS ((1 << (3 + FORW_F_CODE))-1)
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Typedef Documentation
Function Documentation
| void AllocDctBlocks _ANSI_ARGS_ |
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(void) |
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) |
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Variable Documentation
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