diff options
Diffstat (limited to 'converter/ppm/ppmtompeg/frametype.c')
| -rw-r--r-- | converter/ppm/ppmtompeg/frametype.c | 67 |
1 files changed, 34 insertions, 33 deletions
diff --git a/converter/ppm/ppmtompeg/frametype.c b/converter/ppm/ppmtompeg/frametype.c index debefcdc..ff45564b 100644 --- a/converter/ppm/ppmtompeg/frametype.c +++ b/converter/ppm/ppmtompeg/frametype.c @@ -1,18 +1,18 @@ /*===========================================================================* - * frametype.c * - * * - * procedures to keep track of frame types (I, P, B) * - * * - * EXPORTED PROCEDURES: * - * FType_Type * - * FType_FutureRef * - * FType_PastRef * - * * - * SYNOPSIS * - * FType_Type returns the type of the given numbered frame * - * FType_FutureRef returns the number of the future reference frame * - * FType_PastRef returns the number of the past reference frame * - * * + * frametype.c * + * * + * procedures to keep track of frame types (I, P, B) * + * * + * EXPORTED PROCEDURES: * + * FType_Type * + * FType_FutureRef * + * FType_PastRef * + * * + * SYNOPSIS * + * FType_Type returns the type of the given numbered frame * + * FType_FutureRef returns the number of the future reference frame * + * FType_PastRef returns the number of the past reference frame * + * * * 00.12.07 change malloc from frameTable to calloc to fix bug *===========================================================================*/ @@ -72,9 +72,9 @@ extern char * framePattern; * * FType_Type * - * returns the type of the given numbered frame + * returns the type of the given numbered frame * - * RETURNS: the type + * RETURNS: the type * * SIDE EFFECTS: none * @@ -161,9 +161,9 @@ FType_FutureRef(unsigned int const currFrameNum) { * * FType_PastRef * - * returns the number of the past reference frame + * returns the number of the past reference frame * - * RETURNS: the number + * RETURNS: the number * * SIDE EFFECTS: none * @@ -172,8 +172,8 @@ int FType_PastRef(currFrameNum) int currFrameNum; { - int index; - int pastIndex; + int index; + int pastIndex; if (use_cache) { return frameTable[currFrameNum].prev->number; @@ -182,18 +182,19 @@ FType_PastRef(currFrameNum) pastIndex = frameTable[index].prev->number; return currFrameNum - - (((index-pastIndex)+framePatternLen) % framePatternLen); + (((index-pastIndex)+framePatternLen) % framePatternLen); } } + /*===========================================================================* * * SetFramePattern * - * set the IPB pattern; calls ComputeFrameTable to set up table + * set the IPB pattern; calls ComputeFrameTable to set up table * - * RETURNS: nothing + * RETURNS: nothing * * SIDE EFFECTS: framePattern, framePatternLen, frameTable * @@ -264,8 +265,8 @@ ComputeFrameTable(unsigned int const numFramesArg) { 'numFrames' == 0 means number of frames is not known at this time. -----------------------------------------------------------------------------*/ int index; - FrameTable *lastIP, *firstB, *secondIP; - FrameTable *ptr; + FrameTable *lastIP, *firstB, *secondIP; + FrameTable *ptr; char typ; int table_size; @@ -286,14 +287,14 @@ ComputeFrameTable(unsigned int const numFramesArg) { typ = FType_Type(index); frameTable[index].typ = typ; switch( typ ) { - case 'i': + case 'i': ptr = firstB; while ( ptr != NULL ) { ptr->next = &(frameTable[index]); ptr = ptr->nextOutput; } frameTable[index].nextOutput = firstB; - frameTable[index].prev = lastIP; /* for freeing */ + frameTable[index].prev = lastIP; /* for freeing */ if ( lastIP != NULL ) { lastIP->next = &(frameTable[index]); if ( secondIP == NULL ) { @@ -303,7 +304,7 @@ ComputeFrameTable(unsigned int const numFramesArg) { lastIP = &(frameTable[index]); firstB = NULL; break; - case 'p': + case 'p': ptr = firstB; while ( ptr != NULL ) { ptr->next = &(frameTable[index]); @@ -320,7 +321,7 @@ ComputeFrameTable(unsigned int const numFramesArg) { lastIP = &(frameTable[index]); firstB = NULL; break; - case 'b': + case 'b': if ( (index+1 == framePatternLen) || (FType_Type(index+1) != 'b') ) { frameTable[index].nextOutput = NULL; @@ -332,11 +333,11 @@ ComputeFrameTable(unsigned int const numFramesArg) { firstB = &(frameTable[index]); } break; - default: - fprintf(stderr, "Programmer Error in ComputeFrameTable (%d)\n", + default: + fprintf(stderr, "Programmer Error in ComputeFrameTable (%d)\n", framePattern[index]); - exit(1); - break; + exit(1); + break; } } |