diff options
Diffstat (limited to 'converter/ppm/ppmtompeg/frame.c')
| -rw-r--r-- | converter/ppm/ppmtompeg/frame.c | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/converter/ppm/ppmtompeg/frame.c b/converter/ppm/ppmtompeg/frame.c index f91f2cc6..81c1ff9f 100644 --- a/converter/ppm/ppmtompeg/frame.c +++ b/converter/ppm/ppmtompeg/frame.c @@ -12,7 +12,7 @@ * Frame_AllocYCC * * Frame_AllocDecoded * * Frame_AllocHalf * - * Frame_Resize * + * Frame_Resize * * * *===========================================================================*/ @@ -52,7 +52,7 @@ *===========*/ /* The maximum number of B-Frames allowed between reference frames. */ -#define B_FRAME_RUN 16 +#define B_FRAME_RUN 16 /*==================* * GLOBAL VARIABLES * @@ -64,13 +64,13 @@ static unsigned int numOfFrames; /*==================================================== * Resize_Array_Width -* +* * This function will resize any array width up * or down in size. The algorithm is based on the * least common multiple approach more commonly * used in audio frequency adjustments. *=====================================================*/ -static void +static void Resize_Array_Width(uint8 ** const inarray, int const in_x, int const in_y, @@ -86,7 +86,7 @@ Resize_Array_Width(uint8 ** const inarray, uint8 pointA,pointB; double slope,diff; #endif - + for (i = 0; i < in_y; ++i) { /* For each row */ unsigned int j; inptr = &inarray[i][0]; @@ -106,7 +106,7 @@ Resize_Array_Width(uint8 ** const inarray, in_total = in_total - out_x; --inptr; } - } else { + } else { #ifdef DOING_INTERPOLATION pointA = *inptr; #endif @@ -124,10 +124,10 @@ Resize_Array_Width(uint8 ** const inarray, } else { *outptr = (pointB - (uint8)(slope*(((float)(out_x)) - diff))); - } + } #endif /* Non-Interpolative solution */ - *outptr = *inptr; + *outptr = *inptr; ++outptr; out_total = out_total + in_x; @@ -153,7 +153,7 @@ Resize_Array_Width(uint8 ** const inarray, * Same as Resize_array_Width except pointer * manipulation must change. *===============================*/ -static void +static void Resize_Array_Height(uint8 ** const inarray, int const in_x, int const in_y, @@ -176,7 +176,7 @@ Resize_Array_Height(uint8 ** const inarray, out_total = 0; k = 0; for(j=0; j < out_y; ++j){ /* for each output value */ - if (in_total == out_total) { + if (in_total == out_total) { outarray[j][i] = inarray[k][i]; out_total=out_total+in_y; while(in_total < out_total){ @@ -187,7 +187,7 @@ Resize_Array_Height(uint8 ** const inarray, in_total = in_total - out_y; --k; } - } else { + } else { #ifdef DOING_INTERPOLATION pointA = inarray[k][i]; if (k != (in_y - 1)) { @@ -210,7 +210,7 @@ Resize_Array_Height(uint8 ** const inarray, in_total = in_total - out_y; --k; } - } + } } } } @@ -220,7 +220,7 @@ Resize_Array_Height(uint8 ** const inarray, /*======================================================== * Resize_Width *======================================================*/ -static void +static void Resize_Width(MpegFrame * const omfrw, MpegFrame * const mfrw, int const in_x, @@ -274,12 +274,12 @@ Resize_Width(MpegFrame * const omfrw, free(mfrw->orig_y[i]); } free(mfrw->orig_y); - + for (i = 0; i < in_y / 2; ++i) { free(mfrw->orig_cr[i]); } free(mfrw->orig_cr); - + for (i = 0; i < in_y / 2; ++i) { free(mfrw->orig_cb[i]); } @@ -300,9 +300,9 @@ Resize_Height(MpegFrame * const omfrh, int const in_x, int const in_y, int const out_y) { - - unsigned int y; - + + unsigned int y; + Fsize_y = out_y; /* Allocate new frame memory */ @@ -347,12 +347,12 @@ Resize_Height(MpegFrame * const omfrh, free(mfrh->orig_y[i]); } free(mfrh->orig_y); - + for (i = 0; i < in_y / 2; ++i) { free(mfrh->orig_cr[i]); } free(mfrh->orig_cr); - + for (i = 0; i < in_y / 2; ++i) { free(mfrh->orig_cb[i]); } @@ -386,8 +386,8 @@ Frame_Init(unsigned int const numOfFramesRequested) { for (idx = 0; idx < numOfFrames; ++idx) { MALLOCVAR(frameMemory[idx]); frameMemory[idx]->inUse = FALSE; - frameMemory[idx]->orig_y = NULL; - frameMemory[idx]->y_blocks = NULL; + frameMemory[idx]->orig_y = NULL; + frameMemory[idx]->y_blocks = NULL; frameMemory[idx]->decoded_y = NULL; frameMemory[idx]->halfX = NULL; frameMemory[idx]->next = NULL; @@ -395,6 +395,7 @@ Frame_Init(unsigned int const numOfFramesRequested) { } + /*===========================================================================* * * FreeFrame @@ -458,11 +459,11 @@ FreeFrame(MpegFrame * const frameP) { for ( i = 0; i < Fsize_y; ++i ) free(frameP->halfX[i]); free(frameP->halfX); - + for (i = 0; i < Fsize_y-1; ++i) free(frameP->halfY[i]); free(frameP->halfY); - + for (i = 0; i < Fsize_y-1; ++i) free(frameP->halfBoth[i]); free(frameP->halfBoth); @@ -495,6 +496,7 @@ Frame_Exit(void) { } + /*===========================================================================* * * Frame_Free @@ -542,7 +544,7 @@ GetUnusedFrame() { "See the man page for help.\n"); exit(1); } - return frameMemory[idx]; + return frameMemory[idx]; } @@ -638,7 +640,7 @@ Frame_AllocBlocks(MpegFrame * const frameP) { MALLOCARRAY(frameP->y_blocks[i], dctx); ERRCHK(frameP->y_blocks[i], "malloc"); } - + MALLOCARRAY(frameP->cr_blocks, dcty / 2); ERRCHK(frameP->cr_blocks, "malloc"); MALLOCARRAY(frameP->cb_blocks, dcty / 2); @@ -672,7 +674,7 @@ Frame_AllocYCC(MpegFrame * const frameP) { /* already allocated */ } else { unsigned int y; - + DBG_PRINT(("ycc_calc:\n")); /* * first, allocate tons of memory @@ -755,7 +757,7 @@ Frame_AllocHalf(MpegFrame * const frameP) { * * allocate memory for decoded frame for the given frame, if required * if makeReference == TRUE, then makes it reference frame - * + * * RETURNS: nothing * * SIDE EFFECTS: none @@ -781,14 +783,14 @@ Frame_AllocDecoded(MpegFrame * const frameP, MALLOCARRAY(frameP->decoded_y[y], Fsize_x); ERRCHK(frameP->decoded_y[y], "malloc"); } - + MALLOCARRAY(frameP->decoded_cr, Fsize_y / 2); ERRCHK(frameP->decoded_cr, "malloc"); for (y = 0; y < (Fsize_y / 2); ++y) { MALLOCARRAY(frameP->decoded_cr[y], Fsize_x / 2); ERRCHK(frameP->decoded_cr[y], "malloc"); } - + MALLOCARRAY(frameP->decoded_cb, Fsize_y / 2); ERRCHK(frameP->decoded_cb, "malloc"); for (y = 0; y < (Fsize_y / 2); ++y) { @@ -810,7 +812,7 @@ Frame_AllocDecoded(MpegFrame * const frameP, * * Frame_Resize by James Boucher * Boston University Multimedia Communications Lab - * + * * This function takes the mf input frame, read in READFrame(), * and resizes all the input component arrays to the output * dimensions specified in the parameter file as OUT_SIZE. @@ -828,11 +830,11 @@ Frame_Resize(MpegFrame * const omf, MpegFrame * frameAP; /* intermediate frame */ MALLOCVAR_NOFAIL(frameAP); - + if (insize_x != outsize_x && insize_y != outsize_y) { Resize_Width(frameAP, mf, insize_x, insize_y, outsize_x); Resize_Height(omf, frameAP, outsize_x, insize_y, outsize_y); - } else + } else if (insize_x ==outsize_x && insize_y != outsize_y) { Resize_Height(omf, mf, insize_x, insize_y, outsize_y); } else @@ -842,5 +844,7 @@ Frame_Resize(MpegFrame * const omf, exit(1); free(frameAP); - free(mf); } + + + |