diff options
Diffstat (limited to 'converter/ppm/ppmtompeg/frametype.c')
| -rw-r--r-- | converter/ppm/ppmtompeg/frametype.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/converter/ppm/ppmtompeg/frametype.c b/converter/ppm/ppmtompeg/frametype.c index 09afa403..debefcdc 100644 --- a/converter/ppm/ppmtompeg/frametype.c +++ b/converter/ppm/ppmtompeg/frametype.c @@ -13,7 +13,7 @@ * 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 + * 00.12.07 change malloc from frameTable to calloc to fix bug *===========================================================================*/ /* @@ -86,24 +86,24 @@ FType_Type(unsigned int const frameNum) { char retval; - if (use_cache) + if (use_cache) return frameTable[frameNum].typ; - + if (frameNum+1 == numFrames) { /* It's the last frame in the sequence. If the pattern says it's a B, we convert it to I because a B frame makes no sense as the last frame of a sequence. */ - if (patternedType == 'b') + if (patternedType == 'b') retval = 'i'; - else + else retval = patternedType; } else { if (specificsOn) { static int lastI = -1; int newtype; - - if (lastI > frameNum) + + if (lastI > frameNum) lastI = -1; newtype = SpecTypeLookup(frameNum); switch (newtype) { @@ -119,13 +119,13 @@ FType_Type(unsigned int const frameNum) { break; default: if (lastI != -1) { - unsigned int const pretendFrameNumber = + unsigned int const pretendFrameNumber = (frameNum - lastI + firstI) % framePatternLen; retval = framePattern[pretendFrameNumber]; - } else + } else retval = patternedType; } - } else + } else retval = patternedType; } return retval; @@ -180,7 +180,7 @@ FType_PastRef(currFrameNum) } else { index = currFrameNum % framePatternLen; pastIndex = frameTable[index].prev->number; - + return currFrameNum - (((index-pastIndex)+framePatternLen) % framePatternLen); } @@ -227,14 +227,14 @@ SetFramePattern(const char * const pattern) { firstI = -1; for (index = 0; index < len; index++) { switch( SIMPLE_ASCII_UPPER(pattern[index]) ) { - case 'I': + case 'I': buf[index] = 'i'; if (firstI == -1) firstI = index; break; - case 'P': - buf[index] = 'p'; + case 'P': + buf[index] = 'p'; break; - case 'B': + case 'B': buf[index] = 'b'; break; default: @@ -248,7 +248,7 @@ SetFramePattern(const char * const pattern) { framePattern = buf; framePatternLen = len; - + /* Used to ComputeFrameTable(), but now must wait until param parsed. (STDIN or not) */ @@ -259,7 +259,7 @@ SetFramePattern(const char * const pattern) { void ComputeFrameTable(unsigned int const numFramesArg) { /*---------------------------------------------------------------------------- - Compute a table of I, P, B frames to help in determining dependencie + Compute a table of I, P, B frames to help in determining dependency 'numFrames' == 0 means number of frames is not known at this time. -----------------------------------------------------------------------------*/ @@ -339,7 +339,7 @@ ComputeFrameTable(unsigned int const numFramesArg) { break; } } - + /* why? SRS */ frameTable[table_size].number = framePatternLen; ptr = firstB; @@ -362,3 +362,6 @@ ComputeFrameTable(unsigned int const numFramesArg) { if (numFrames) use_cache = TRUE; } + + + |