diff options
Diffstat (limited to 'gst-libs/ext/libav/libswscale/utils.c')
| -rw-r--r-- | gst-libs/ext/libav/libswscale/utils.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/gst-libs/ext/libav/libswscale/utils.c b/gst-libs/ext/libav/libswscale/utils.c index b49f924..f3a5012 100644 --- a/gst-libs/ext/libav/libswscale/utils.c +++ b/gst-libs/ext/libav/libswscale/utils.c @@ -180,7 +180,7 @@ static double getSplineCoeff(double a, double b, double c, double d, double dist dist-1.0); } -static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, +static int initFilter(int16_t **outFilter, int32_t **filterPos, int *outFilterSize, int xInc, int srcW, int dstW, int filterAlign, int one, int flags, int cpu_flags, SwsVector *srcFilter, SwsVector *dstFilter, double param[2], int is_horizontal) { @@ -196,7 +196,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi emms_c(); //FIXME this should not be required but it IS (even for non-MMX versions) // NOTE: the +3 is for the MMX(+1)/SSE(+3) scaler which reads over the end - FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW+3)*sizeof(int16_t), fail); + FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW+3)*sizeof(**filterPos), fail); if (FFABS(xInc - 0x10000) <10) { // unscaled int i; @@ -244,7 +244,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi xDstInSrc+= xInc; } } else { - int xDstInSrc; + int64_t xDstInSrc; int sizeFactor; if (flags&SWS_BICUBIC) sizeFactor= 4; @@ -263,7 +263,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi if (xInc <= 1<<16) filterSize= 1 + sizeFactor; // upscale else filterSize= 1 + (sizeFactor*srcW + dstW - 1)/ dstW; - if (filterSize > srcW-2) filterSize=srcW-2; + filterSize = av_clip(filterSize, 1, srcW - 2); FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail); @@ -809,8 +809,8 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) if (!dstFilter) dstFilter= &dummyFilter; if (!srcFilter) srcFilter= &dummyFilter; - c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW; - c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH; + c->lumXInc= (((int64_t)srcW<<16) + (dstW>>1))/dstW; + c->lumYInc= (((int64_t)srcH<<16) + (dstH>>1))/dstH; c->dstFormatBpp = av_get_bits_per_pixel(&av_pix_fmt_descriptors[dstFormat]); c->srcFormatBpp = av_get_bits_per_pixel(&av_pix_fmt_descriptors[srcFormat]); c->vRounder= 4* 0x0001000100010001ULL; @@ -896,8 +896,8 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) else c->canMMX2BeUsed=0; - c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW; - c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH; + c->chrXInc= (((int64_t)c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW; + c->chrYInc= (((int64_t)c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH; // match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst // but only for the FAST_BILINEAR mode otherwise do correct scaling @@ -912,8 +912,8 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) } //we don't use the x86 asm scaler if MMX is available else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) { - c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20; - c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; + c->lumXInc = ((int64_t)(srcW-2)<<16)/(dstW-2) - 20; + c->chrXInc = ((int64_t)(c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; } } @@ -1013,7 +1013,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) c->vLumBufSize= c->vLumFilterSize; c->vChrBufSize= c->vChrFilterSize; for (i=0; i<dstH; i++) { - int chrI= i*c->chrDstH / dstH; + int chrI = (int64_t) i * c->chrDstH / dstH; int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1, ((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample)); |