diff options
Diffstat (limited to 'converter/ppm/ppmtompeg/iframe.c')
| -rw-r--r-- | converter/ppm/ppmtompeg/iframe.c | 109 |
1 files changed, 56 insertions, 53 deletions
diff --git a/converter/ppm/ppmtompeg/iframe.c b/converter/ppm/ppmtompeg/iframe.c index 66f5ea3b..2bc50196 100644 --- a/converter/ppm/ppmtompeg/iframe.c +++ b/converter/ppm/ppmtompeg/iframe.c @@ -239,7 +239,7 @@ void SetBlocksPerSlice(void) { int totalBlocks; - + totalBlocks = (Fsize_y>>4)*(Fsize_x>>4); if ( slicesPerFrame > totalBlocks ) { @@ -296,7 +296,7 @@ CalcDistortion(MpegFrame * const current, Block decblk; FlatBlock fblk; int datarate = 0; - + for (qscale = 1; qscale < 32; qscale ++) { distort = 0; datarate = 0; @@ -361,7 +361,7 @@ CalcDistortion(MpegFrame * const current, * *===========================================================================*/ void -GenIFrame(BitBucket * const bb, +GenIFrame(BitBucket * const bb, MpegFrame * const current) { int x, y; @@ -391,25 +391,25 @@ GenIFrame(BitBucket * const bb, lastIFrame = current->id; } else { /* ASSUMES 30 FRAMES PER SECOND */ - + if (! realQuiet) { fprintf(stdout, "I-to-I (frames %5d to %5d) bitrate: %8d\n", lastIFrame, current->id-1, ((bb->cumulativeBits-lastNumBits)*30)/ (current->id-lastIFrame)); } - + fprintf(bitRateFile, "I-to-I (frames %5d to %5d) bitrate: %8d\n", lastIFrame, current->id-1, ((bb->cumulativeBits-lastNumBits)*30)/ (current->id-lastIFrame)); - lastNumBits = bb->cumulativeBits; + lastNumBits = bb->cumulativeBits; lastIFrame = current->id; } } - + startTime = time_elapsed(); - + Frame_AllocBlocks(current); BlockifyFrame(current); @@ -435,13 +435,13 @@ GenIFrame(BitBucket * const bb, } } Mhead_GenSliceHeader(bb, 1, QScale, NULL, 0); - + if ( referenceFrame == DECODED_FRAME ) { Frame_AllocDecoded(current, TRUE); } else if ( printSNR ) { Frame_AllocDecoded(current, FALSE); } - + y_dc_pred = cr_dc_pred = cb_dc_pred = 128; totalBits = bb->cumulativeBits; mbAddress = 0; @@ -449,24 +449,24 @@ GenIFrame(BitBucket * const bb, /* DCT the macroblocks */ for (y = 0; y < (Fsize_y >> 3); y += 2) { for (x = 0; x < (Fsize_x >> 3); x += 2) { - if (collect_quant && (collect_quant_detailed & 1)) + if (collect_quant && (collect_quant_detailed & 1)) fprintf(collect_quant_fp, "l\n"); if (DoLaplace) {LaplaceCnum = 0;} mp_fwd_dct_block2(current->y_blocks[y][x], dct[y][x]); mp_fwd_dct_block2(current->y_blocks[y][x+1], dct[y][x+1]); mp_fwd_dct_block2(current->y_blocks[y+1][x], dct[y+1][x]); mp_fwd_dct_block2(current->y_blocks[y+1][x+1], dct[y+1][x+1]); - if (collect_quant && (collect_quant_detailed & 1)) + if (collect_quant && (collect_quant_detailed & 1)) fprintf(collect_quant_fp, "c\n"); if (DoLaplace) {LaplaceCnum = 1;} - mp_fwd_dct_block2(current->cb_blocks[y>>1][x>>1], + mp_fwd_dct_block2(current->cb_blocks[y>>1][x>>1], dctb[y>>1][x>>1]); if (DoLaplace) {LaplaceCnum = 2;} - mp_fwd_dct_block2(current->cr_blocks[y>>1][x>>1], + mp_fwd_dct_block2(current->cr_blocks[y>>1][x>>1], dctr[y>>1][x>>1]); } } - + if (DoLaplace) CalcLambdas(); @@ -474,13 +474,13 @@ GenIFrame(BitBucket * const bb, for (x = 0; x < (Fsize_x >> 3); x += 2) { /* Check for Qscale change */ if (specificsOn) { - newQScale = + newQScale = SpecLookup(current->id, 2, mbAddress, &info, QScale); if (newQScale != -1) { QScale = newQScale; } } - + /* Determine if new Qscale needed for Rate Control purposes */ if (bitstreamMode == FIXED_RATE) { rc_blockStart = bb->cumulativeBits; @@ -493,20 +493,20 @@ GenIFrame(BitBucket * const bb, QScale = newQScale; } } - + if ( (mbAddress % blocksPerSlice == 0) && (mbAddress != 0) ) { /* create a new slice */ if (specificsOn) { /* Make sure no slice Qscale change */ newQScale = SpecLookup(current->id, 1, - mbAddress/blocksPerSlice, &info, + mbAddress/blocksPerSlice, &info, QScale); if (newQScale != -1) QScale = newQScale; } Mhead_GenSliceEnder(bb); Mhead_GenSliceHeader(bb, 1+(y>>1), QScale, NULL, 0); y_dc_pred = cr_dc_pred = cb_dc_pred = 128; - + GEN_I_BLOCK(I_FRAME, current, bb, 1+(x>>1), QScale); } else { GEN_I_BLOCK(I_FRAME, current, bb, 1, QScale); @@ -515,23 +515,23 @@ GenIFrame(BitBucket * const bb, if (WriteDistortionNumbers) { CalcDistortion(current, y, x); } - + if ( decodeRefFrames ) { /* now, reverse the DCT transform */ LaplaceCnum = 0; for ( index = 0; index < 6; index++ ) { if (!DoLaplace) { - Mpost_UnQuantZigBlock(fb[index], dec[index], QScale, + Mpost_UnQuantZigBlock(fb[index], dec[index], QScale, TRUE); } else { if (index == 4) {LaplaceCnum = 1;} if (index == 5) {LaplaceCnum = 2;} - Mpost_UnQuantZigBlockLaplace(fb[index], dec[index], + Mpost_UnQuantZigBlockLaplace(fb[index], dec[index], QScale, TRUE); } - mpeg_jrevdct((int16 *)dec[index]); + mpeg_jrevdct((int16 *)dec[index]); } - + /* now, unblockify */ BlockToData(current->decoded_y, dec[0], y, x); BlockToData(current->decoded_y, dec[1], y, x+1); @@ -540,7 +540,7 @@ GenIFrame(BitBucket * const bb, BlockToData(current->decoded_cb, dec[4], y>>1, x>>1); BlockToData(current->decoded_cr, dec[5], y>>1, x>>1); } - + numBlocks++; mbAddress++; /* Rate Control */ @@ -551,43 +551,43 @@ GenIFrame(BitBucket * const bb, } } } - + if ( printSNR ) { BlockComputeSNR(current,snr,psnr); totalSNR += snr[0]; totalPSNR += psnr[0]; } - + numBits += (bb->cumulativeBits-totalBits); - + DBG_PRINT(("End of frame\n")); - + Mhead_GenSliceEnder(bb); /* Rate Control */ if (bitstreamMode == FIXED_RATE) { updateRateControl(TYPE_IFRAME); } - + endTime = time_elapsed(); totalTime += (endTime-startTime); - + numFrameBits += (bb->cumulativeBits-totalFrameBits); - + if ( showBitRatePerFrame ) { /* ASSUMES 30 FRAMES PER SECOND */ fprintf(bitRateFile, "%5d\t%8d\n", current->id, 30*(bb->cumulativeBits-totalFrameBits)); } - + if ( frameSummary && !realQuiet ) { - + /* ASSUMES 30 FRAMES PER SECOND */ - fprintf(stdout, - "FRAME %d (I): %ld seconds (%d bits/s output)\n", + fprintf(stdout, + "FRAME %d (I): %ld seconds (%d bits/s output)\n", current->id, (long)((endTime-startTime)/TIME_RATE), 30*(bb->cumulativeBits-totalFrameBits)); if ( printSNR ) { - fprintf(stdout, + fprintf(stdout, "FRAME %d: SNR: %.1f\t%.1f\t%.1f\t" "PSNR: %.1f\t%.1f\t%.1f\n", current->id, snr[0], snr[1], snr[2], @@ -628,8 +628,8 @@ IFrameTotalTime(void) { void -ShowIFrameSummary(unsigned int const inputFrameBits, - unsigned int const totalBits, +ShowIFrameSummary(unsigned int const inputFrameBits, + unsigned int const totalBits, FILE * const fpointer) { /*---------------------------------------------------------------------------- Print out statistics on all I frames. @@ -697,12 +697,12 @@ EncodeYDC(int32 const dc_term, ydiff = (dc_term - (*pred_term)); if (ydiff > 255) { -#ifdef BLEAH +#ifdef BLEAH fprintf(stdout, "TRUNCATED\n"); #endif ydiff = 255; } else if (ydiff < -255) { -#ifdef BLEAH +#ifdef BLEAH fprintf(stdout, "TRUNCATED\n"); #endif ydiff = -255; @@ -753,12 +753,12 @@ EncodeCDC(int32 const dc_term, cdiff = (dc_term - (*pred_term)); if (cdiff > 255) { #ifdef BLEAH - fprintf(stdout, "TRUNCATED\n"); + fprintf(stdout, "TRUNCATED\n"); #endif cdiff = 255; } else if (cdiff < -255) { #ifdef BLEAH - fprintf(stdout, "TRUNCATED\n"); + fprintf(stdout, "TRUNCATED\n"); #endif cdiff = -255; } @@ -789,21 +789,21 @@ BlockComputeSNR(MpegFrame * const current, int32 varDiff[3]; double ratio[3]; double total[3]; - uint8 **origY=current->orig_y, **origCr=current->orig_cr, + uint8 **origY=current->orig_y, **origCr=current->orig_cr, **origCb=current->orig_cb; - uint8 **newY=current->decoded_y, **newCr=current->decoded_cr, + uint8 **newY=current->decoded_y, **newCr=current->decoded_cr, **newCb=current->decoded_cb; static int32 **SignalY, **NoiseY; static int32 **SignalCb, **NoiseCb; static int32 **SignalCr, **NoiseCr; static short ySize[3], xSize[3]; static boolean needs_init=TRUE; - + /* Init */ if (needs_init) { int ysz = (Fsize_y>>3) * sizeof(int32 *); int xsz = (Fsize_x>>3); - + needs_init = FALSE; for (y=0; y<3; y++) { varDiff[y] = ratio[y] = total[y] = 0.0; @@ -817,7 +817,7 @@ BlockComputeSNR(MpegFrame * const current, NoiseCb = (int32 **) malloc(ysz); SignalCr = (int32 **) malloc(ysz); NoiseCr = (int32 **) malloc(ysz); - if (SignalY == NULL || NoiseY == NULL || SignalCr == NULL || + if (SignalY == NULL || NoiseY == NULL || SignalCr == NULL || NoiseCb == NULL || SignalCb == NULL || NoiseCr == NULL) { fprintf(stderr, "Out of memory in BlockComputeSNR\n"); exit(-1); @@ -840,7 +840,7 @@ BlockComputeSNR(MpegFrame * const current, memset((char *) &SignalCr[y][0], 0, (xSize[0]>>3) * 4); } } - + /* find all the signal and noise */ for (y = 0; y < ySize[0]; y++) { for (x = 0; x < xSize[0]; x++) { @@ -863,7 +863,7 @@ BlockComputeSNR(MpegFrame * const current, tempInt = origCr[y][x]; SignalCr[y>>3][x>>3] += tempInt*tempInt; }} - + /* Now sum up that noise */ for(y=0; y<Fsize_y>>4; y++){ for(x=0; x<Fsize_x>>4; x++){ @@ -874,7 +874,7 @@ BlockComputeSNR(MpegFrame * const current, } if (printMSE) puts(""); } - + /* Now look at those ratios! */ for(y=0; y<Fsize_y>>4; y++){ for(x=0; x<Fsize_x>>4; x++){ @@ -882,7 +882,7 @@ BlockComputeSNR(MpegFrame * const current, ratio[1] += (double)SignalCb[y][x]/(double)varDiff[1]; ratio[2] += (double)SignalCr[y][x]/(double)varDiff[2]; }} - + for (x=0; x<3; x++) { snr[x] = 10.0 * log10(ratio[x]); psnr[x] = 20.0 * log10(255.0/sqrt((double)varDiff[x]/ @@ -983,3 +983,6 @@ int32 time_elapsed(void) { return timeBuffer.tms_utime + timeBuffer.tms_stime; #endif } + + + |