diff options
Diffstat (limited to 'converter/ppm/ppmtompeg/opts.c')
| -rw-r--r-- | converter/ppm/ppmtompeg/opts.c | 110 |
1 files changed, 55 insertions, 55 deletions
diff --git a/converter/ppm/ppmtompeg/opts.c b/converter/ppm/ppmtompeg/opts.c index 553e29d0..6f5f9816 100644 --- a/converter/ppm/ppmtompeg/opts.c +++ b/converter/ppm/ppmtompeg/opts.c @@ -1,29 +1,29 @@ /*===========================================================================* - * opts.c * - * * + * opts.c * + * * * Special C code to handle TUNEing options * - * * - * EXPORTED PROCEDURES: * + * * + * EXPORTED PROCEDURES: * * Tune_Init * * CollectQuantStats * - * * + * * *===========================================================================*/ /* * Copyright (c) 1995 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 @@ -95,9 +95,9 @@ boolean BSkipBlocks = TRUE; * * SkipSpacesTabs * - * skip all spaces and tabs + * skip all spaces and tabs * - * RETURNS: point to next character not a space or tab + * RETURNS: point to next character not a space or tab * * SIDE EFFECTS: none * @@ -120,12 +120,12 @@ SkipSpacesTabs(const char * const start) { * * Setup variables to collect statistics on quantization values * - * RETURNS: nothing + * RETURNS: nothing * * SIDE EFFECTS: sets collect_quant and collect_quant_fp * *===========================================================================*/ -static void +static void SetupCollectQuantStats(const char * const charPtr) { char fname[256]; @@ -164,23 +164,23 @@ SetupCollectQuantStats(const char * const charPtr) * * Do a transform on small lum values * - * RETURNS: nothing + * RETURNS: nothing * * SIDE EFFECTS: sets kill_dim, kill_dim_break, kill_dim_end * *===========================================================================*/ -static void +static void SetupKillDimAreas(const char * const charPtr) { int items_scanned; kill_dim = TRUE; - items_scanned = sscanf(charPtr, "%d %d %f", - &kill_dim_break, &kill_dim_end, &kill_dim_slope); + items_scanned = sscanf(charPtr, "%d %d %f", + &kill_dim_break, &kill_dim_end, &kill_dim_slope); if (items_scanned != 3) { kill_dim_slope = 0.25; - items_scanned = sscanf(charPtr, "%d %d", - &kill_dim_break, &kill_dim_end); + items_scanned = sscanf(charPtr, "%d %d", + &kill_dim_break, &kill_dim_end); if (items_scanned != 2) { /* Use defaults */ kill_dim_break = 20; @@ -206,12 +206,12 @@ SetupKillDimAreas(const char * const charPtr) * * Setup encoder to squash small changes in Y or Cr/Cb values * - * RETURNS: nothing + * RETURNS: nothing * - * SIDE EFFECTS: sets squash_max_differences SquashMaxLum SquashMaxChr + * SIDE EFFECTS: sets squash_max_differences SquashMaxLum SquashMaxChr * *===========================================================================*/ -static void +static void SetupSquashSmall(const char * const charPtr) { squash_small_differences = TRUE; @@ -229,13 +229,13 @@ SetupSquashSmall(const char * const charPtr) * * Setup encoder to use DCT for rate-distortion estimat ein Psearches * - * RETURNS: nothing + * RETURNS: nothing * * SIDE EFFECTS: sets SearchCompareMode and * can change LocalDCTRateScale, LocalDCTDistortScale * *===========================================================================*/ -static void +static void SetupLocalDCT(const char * const charPtr) { int num_scales=0; @@ -260,12 +260,12 @@ SetupLocalDCT(const char * const charPtr) * * Setup encoder to find distribution for I-frames, and use for -snr * - * RETURNS: nothing + * RETURNS: nothing * * SIDE EFFECTS: sets DoLaplace, L1, L2, and Lambdas * *===========================================================================*/ -static void +static void SetupLaplace() { int i; @@ -339,18 +339,18 @@ SetupWriteDistortions(const char * const charPtr) default: fprintf(stderr, "Unknown TUNE parameter setting format %s\n", cp); }} -} +} /*=====================* * EXPORTED PROCEDURES * *=====================*/ -void +void CalcLambdas(void) { int i,j,n; double var; - + n = LaplaceNum; for (i = 0; i < 3; i++) { for (j = 0; j < 64; j++) { @@ -365,10 +365,10 @@ CalcLambdas(void) { * * Mpost_UnQuantZigBlockLaplace * - * unquantize and zig-zag (decode) a single block, using the distrib to get vals + * unquantize and zig-zag (decode) a single block, using the distrib to get vals * Iblocks only now * - * RETURNS: nothing + * RETURNS: nothing * * SIDE EFFECTS: none * @@ -381,22 +381,22 @@ Mpost_UnQuantZigBlockLaplace(in, out, qscale, iblock) boolean iblock; { register int index; - int position; - register int qentry; - int level, coeff; + int position; + register int qentry; + int level, coeff; double low, high; double mid,lam; /* qtable[0] must be 8 */ out[0][0] = (int16)(in[0] * 8); - + for ( index = 1; index < DCTSIZE_SQ; index++ ) { position = ZAG[index]; level = in[index]; - + if (level == 0) { - ((int16 *)out)[position] = 0; - continue; + ((int16 *)out)[position] = 0; + continue; } qentry = qtable[position] * qscale; coeff = (level*qentry)/8; @@ -406,25 +406,25 @@ Mpost_UnQuantZigBlockLaplace(in, out, qscale, iblock) mid = (1.0/lam) * log(0.5*(exp(-lam*low)+exp(-lam*high))); mid = ABS(mid); if (mid - floor(mid) > .4999) { - mid = ceil(mid); + mid = ceil(mid); } else { - mid = floor(mid); + mid = floor(mid); } if (level<0) {mid = -mid;} /*printf("(%2.1lf-%2.1lf): old: %d vs %d\n",low,high,coeff,(int) mid);*/ coeff = mid; if ( (coeff & 1) == 0 ) { - if ( coeff < 0 ) { - coeff++; - } else if ( coeff > 0 ) { - coeff--; - } + if ( coeff < 0 ) { + coeff++; + } else if ( coeff > 0 ) { + coeff--; + } } ((int16 *)out)[position] = coeff; } } -int +int mse(Block blk1, Block blk2) { register int index, error, tmp; @@ -449,7 +449,7 @@ mse(Block blk1, Block blk2) * * Do any setup needed before coding stream * - * RETURNS: nothing + * RETURNS: nothing * * SIDE EFFECTS: varies * @@ -458,7 +458,7 @@ void Tune_Init() { int i; - /* Just check for each, and do whats needed */ + /* Just check for each, and do what's needed */ if (collect_quant) { if (!pureDCT) { pureDCT = TRUE; @@ -467,14 +467,14 @@ void Tune_Init() } fprintf(collect_quant_fp, "# %s\n", outputFileName); fprintf(collect_quant_fp, "#"); - for (i=0; i<64; i++) + for (i=0; i<64; i++) fprintf(collect_quant_fp, " %d", qtable[i]); fprintf(collect_quant_fp, "\n#"); - for (i=0; i<64; i++) + for (i=0; i<64; i++) fprintf(collect_quant_fp, " %d", niqtable[i]); - fprintf(collect_quant_fp, "\n# %d %d %d\n\n", - GetIQScale(), GetPQScale(), GetBQScale()); - + fprintf(collect_quant_fp, "\n# %d %d %d\n\n", + GetIQScale(), GetPQScale(), GetBQScale()); + } if (DoLaplace) { @@ -486,7 +486,7 @@ void Tune_Init() decodeRefFrames = TRUE; printSNR = TRUE; } - + } /*===========================================================================* @@ -495,7 +495,7 @@ void Tune_Init() * * Handle the strings following TUNE * - * RETURNS: nothing + * RETURNS: nothing * * SIDE EFFECTS: varies * @@ -503,7 +503,7 @@ void Tune_Init() void ParseTuneParam(const char * const charPtr) { switch (ASCII_TOUPPER(*charPtr)) { - case 'B': + case 'B': if (1 != sscanf(charPtr+2, "%d", &block_bound)) { fprintf(stderr, "Invalid tuning parameter (b) in parameter file.\n"); } |