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-rw-r--r--TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/parseblock.cpp446
1 files changed, 0 insertions, 446 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/parseblock.cpp b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/parseblock.cpp
deleted file mode 100644
index 4a2b152ca6c..00000000000
--- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/parseblock.cpp
+++ /dev/null
@@ -1,446 +0,0 @@
-/* $Id$ */
-/*
- * Copyright (c) 1992 The Regents of the University of California.
- * All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose, without fee, and without written agreement is
- * hereby granted, provided that the above copyright notice and the following
- * two paragraphs appear in all copies of this software.
- *
- * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
- * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
- * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-#define NO_SANITY_CHECKS
-#include <assert.h>
-#include "video.h"
-#include "proto.h"
-#include "decoders.h"
-
-/* External declarations. */
-
-extern int zigzag_direct[];
-
-/* Macro for returning 1 if num is positive, -1 if negative, 0 if 0. */
-
-#define Sign(num) ((num > 0) ? 1 : ((num == 0) ? 0 : -1))
-
-
-/*
- *--------------------------------------------------------------
- *
- * ParseReconBlock --
- *
- * Parse values for block structure from bitstream.
- * n is an indication of the position of the block within
- * the macroblock (i.e. 0-5) and indicates the type of
- * block (i.e. luminance or chrominance). Reconstructs
- * coefficients from values parsed and puts in
- * block.dct_recon array in vid stream structure.
- * sparseFlag is set when the block contains only one
- * coeffictient and is used by the IDCT.
- *
- * Results:
- *
- *
- * Side effects:
- * Bit stream irreversibly parsed.
- *
- *--------------------------------------------------------------
- */
-
-#define DCT_recon blockPtr->dct_recon
-#define DCT_dc_y_past blockPtr->dct_dc_y_past
-#define DCT_dc_cr_past blockPtr->dct_dc_cr_past
-#define DCT_dc_cb_past blockPtr->dct_dc_cb_past
-
-#define DECODE_DCT_COEFF_FIRST DecodeDCTCoeffFirst
-#define DECODE_DCT_COEFF_NEXT DecodeDCTCoeffNext
-
-void
-ParseReconBlock(int n)
-{
-#ifdef RISC
- unsigned int temp_curBits;
- int temp_bitOffset;
- int temp_bufLength;
- unsigned int *temp_bitBuffer;
-#endif
-
- Block *blockPtr = &curVidStream->block;
- int coeffCount;
-
- if (bufLength < 2)
- correct_underflow();
-
-#ifdef RISC
- temp_curBits = curBits;
- temp_bitOffset = bitOffset;
- temp_bufLength = bufLength;
- temp_bitBuffer = bitBuffer;
-#endif
-
- {
- /*
- * Copy the globals curBits, bitOffset, bufLength, and bitBuffer
- * into local variables with the same names, so the macros use the
- * local variables instead. This allows register allocation and
- * can provide 1-2 fps speedup. On machines with not so many registers,
- * don't do this.
- */
-#ifdef RISC
- register unsigned int curBits = temp_curBits;
- register int bitOffset = temp_bitOffset;
- register int bufLength = temp_bufLength;
- register unsigned int *bitBuffer = temp_bitBuffer;
-#endif
-
- int diff;
- int size, level, i, run, pos, coeff;
- short int *reconptr;
- unsigned char *iqmatrixptr, *niqmatrixptr;
- int qscale;
-
- reconptr = DCT_recon[0];
-
- /*
- * Hand coded version of memset that's a little faster...
- * Old call:
- * memset((char *) DCT_recon, 0, 64*sizeof(short int));
- */
- {
- INT32 *p;
- p = (INT32 *) reconptr;
-
- p[0] = p[1] = p[2] = p[3] = p[4] = p[5] = p[6] = p[7] = p[8] = p[9] =
- p[10] = p[11] = p[12] = p[13] = p[14] = p[15] = p[16] = p[17] = p[18] =
- p[19] = p[20] = p[21] = p[22] = p[23] = p[24] = p[25] = p[26] = p[27] =
- p[28] = p[29] = p[30] = p[31] = 0;
-
- }
-
- if (curVidStream->mblock.mb_intra) {
-
- if (n < 4) {
-
- /*
- * Get the luminance bits. This code has been hand optimized to
- * get by the normal bit parsing routines. We get some speedup
- * by grabbing the next 16 bits and parsing things locally.
- * Thus, calls are translated as:
- *
- * show_bitsX <--> next16bits >> (16-X)
- * get_bitsX <--> val = next16bits >> (16-flushed-X);
- * flushed += X;
- * next16bits &= bitMask[flushed];
- * flush_bitsX <--> flushed += X;
- * next16bits &= bitMask[flushed];
- *
- * I've streamlined the code a lot, so that we don't have to mask
- * out the low order bits and a few of the extra adds are removed.
- * bsmith
- */
- unsigned int next16bits, index, flushed;
-
- show_bits16(next16bits);
- index = next16bits >> (16-7);
- size = dct_dc_size_luminance[index].value;
- flushed = dct_dc_size_luminance[index].num_bits;
- next16bits &= bitMask[16+flushed];
-
- if (size != 0) {
- flushed += size;
- diff = next16bits >> (16-flushed);
- if (!(diff & bitTest[32-size])) {
- diff = rBitMask[size] | (diff + 1);
- }
- } else {
- diff = 0;
- }
- flush_bits(flushed);
-
- if (n == 0) {
- coeff = diff << 3;
- if (curVidStream->mblock.mb_address -
- curVidStream->mblock.past_intra_addr > 1)
- coeff += 1024;
- else coeff += DCT_dc_y_past;
- DCT_dc_y_past = coeff;
- } else {
- coeff = DCT_dc_y_past + (diff << 3);
- DCT_dc_y_past = coeff;
- }
- } else {
-
- /*
- * Get the chrominance bits. This code has been hand optimized to
- * as described above
- */
- unsigned int next16bits, index, flushed;
-
- show_bits16(next16bits);
- index = next16bits >> (16-8);
- size = dct_dc_size_chrominance[index].value;
- flushed = dct_dc_size_chrominance[index].num_bits;
- next16bits &= bitMask[16+flushed];
-
- if (size != 0) {
- flushed += size;
- diff = next16bits >> (16-flushed);
- if (!(diff & bitTest[32-size])) {
- diff = rBitMask[size] | (diff + 1);
- }
- } else {
- diff = 0;
- }
- flush_bits(flushed);
-
- if (n == 4) {
- coeff = diff << 3;
- if (curVidStream->mblock.mb_address -
- curVidStream->mblock.past_intra_addr > 1)
- coeff += 1024;
- else coeff += DCT_dc_cr_past;
- DCT_dc_cr_past = coeff;
-
- } else {
- coeff = diff << 3;
- if (curVidStream->mblock.mb_address -
- curVidStream->mblock.past_intra_addr > 1)
- coeff += 1024;
- else coeff += DCT_dc_cb_past;
- DCT_dc_cb_past = coeff;
- }
- }
-
- *reconptr = coeff;
- i = 0; pos = 0;
- coeffCount = (coeff != 0);
-
- if (curVidStream->picture.code_type != 4) {
-
- qscale = curVidStream->slice.quant_scale;
- iqmatrixptr = curVidStream->intra_quant_matrix[0];
-
- while(1) {
-
- DECODE_DCT_COEFF_NEXT(run, level);
-
- if (run == END_OF_BLOCK) break;
-
- i = i + run + 1;
- pos = zigzag_direct[i];
- coeff = (level * qscale * ((int) iqmatrixptr[pos])) >> 3;
- if (level < 0) {
- coeff += (coeff & 1);
- } else {
- coeff -= (coeff & 1);
- }
-
- reconptr[pos] = coeff;
- if (coeff) {
- coeffCount++;
- }
-
- }
-
-#ifdef ANALYSIS
-
- {
- extern unsigned int *mbCoeffPtr;
- mbCoeffPtr[pos]++;
- }
-#endif
-
- flush_bits(2);
-
- goto end;
- }
- }
-
- else {
-
- niqmatrixptr = curVidStream->non_intra_quant_matrix[0];
- qscale = curVidStream->slice.quant_scale;
-
- DECODE_DCT_COEFF_FIRST(run, level);
- i = run;
-
- pos = zigzag_direct[i];
- if (level < 0) {
- coeff = (((level<<1) - 1) * qscale *
- ((int) (niqmatrixptr[pos]))) >> 4;
- coeff += (coeff & 1);
- } else {
- coeff = (((level<<1) + 1) * qscale *
- ((int) (*(niqmatrixptr+pos)))) >> 4;
- coeff -= (coeff & 1);
- }
- reconptr[pos] = coeff;
- if (coeff) {
- coeffCount = 1;
- }
-
- if (curVidStream->picture.code_type != 4) {
-
- while(1) {
-
- DECODE_DCT_COEFF_NEXT(run, level);
-
- if (run == END_OF_BLOCK) break;
-
- i = i+run+1;
- pos = zigzag_direct[i];
- if (level < 0) {
- coeff = (((level<<1) - 1) * qscale *
- ((int) (niqmatrixptr[pos]))) >> 4;
- coeff += (coeff & 1);
- } else {
- coeff = (((level<<1) + 1) * qscale *
- ((int) (*(niqmatrixptr+pos)))) >> 4;
- coeff -= (coeff & 1);
- }
- reconptr[pos] = coeff;
- if (coeff) {
- coeffCount++;
- }
- }
-
-#ifdef ANALYSIS
- {
- extern unsigned int *mbCoeffPtr;
- mbCoeffPtr[pos]++;
- }
-#endif
-
- flush_bits(2);
-
- goto end;
- }
- }
-
- end:
-
- if (coeffCount == 1) j_rev_dct_sparse (reconptr, pos);
- else j_rev_dct(reconptr);
-
-#ifdef RISC
- temp_curBits = curBits;
- temp_bitOffset = bitOffset;
- temp_bufLength = bufLength;
- temp_bitBuffer = bitBuffer;
-#endif
-
- }
-
-#ifdef RISC
- curBits = temp_curBits;
- bitOffset = temp_bitOffset;
- bufLength = temp_bufLength;
- bitBuffer = temp_bitBuffer;
-#endif
-}
-
-#undef DCT_recon
-#undef DCT_dc_y_past
-#undef DCT_dc_cr_past
-#undef DCT_dc_cb_past
-
-
-/*
- *--------------------------------------------------------------
- *
- * ParseAwayBlock --
- *
- * Parses off block values, throwing them away.
- * Used with grayscale dithering.
- *
- * Results:
- * None.
- *
- * Side effects:
- * None.
- *
- *--------------------------------------------------------------
- */
-
-void
-ParseAwayBlock(int n)
-{
- unsigned int diff;
- unsigned int size, run;
- int level;
-
- if (bufLength < 2)
- correct_underflow();
-
- if (curVidStream->mblock.mb_intra) {
-
- /* If the block is a luminance block... */
-
- if (n < 4) {
-
- /* Parse and decode size of first coefficient. */
-
- DecodeDCTDCSizeLum(size);
-
- /* Parse first coefficient. */
-
- if (size != 0) {
- get_bitsn(size, diff);
- }
- }
-
- /* Otherwise, block is chrominance block... */
-
- else {
-
- /* Parse and decode size of first coefficient. */
-
- DecodeDCTDCSizeChrom(size);
-
- /* Parse first coefficient. */
-
- if (size != 0) {
- get_bitsn(size, diff);
- }
- }
- }
-
- /* Otherwise, block is not intracoded... */
-
- else {
-
- /* Decode and set first coefficient. */
-
- DECODE_DCT_COEFF_FIRST(run, level);
- }
-
- /* If picture is not D type (i.e. I, P, or B)... */
-
- if (curVidStream->picture.code_type != 4) {
-
- /* While end of macroblock has not been reached... */
-
- while (1) {
-
- /* Get the dct_coeff_next */
-
- DECODE_DCT_COEFF_NEXT(run, level);
-
- if (run == END_OF_BLOCK) break;
- }
-
- /* End_of_block */
-
- flush_bits(2);
- }
-}
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