[FFmpeg-cvslog] r29216 - trunk/libswscale/swscale.c
michael
subversion
Tue Apr 21 02:08:06 CEST 2009
Author: michael
Date: Tue Apr 21 02:08:06 2009
New Revision: 29216
Log:
Merge gray->gray converters into planarCopy(), this should also make planarCopy()
useable for other 16bit formats once we support them.
Modified:
trunk/libswscale/swscale.c
Modified: trunk/libswscale/swscale.c
==============================================================================
--- trunk/libswscale/swscale.c Tue Apr 21 02:03:00 2009 (r29215)
+++ trunk/libswscale/swscale.c Tue Apr 21 02:08:06 2009 (r29216)
@@ -2126,27 +2126,55 @@ static int packedCopy(SwsContext *c, uin
static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
- int plane;
+ int plane, i, j;
for (plane=0; plane<4; plane++)
{
int length= (plane==0 || plane==3) ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample);
int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample);
int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample);
+ uint8_t *srcPtr= src[plane];
+ uint8_t *dstPtr= dst[plane] + dstStride[plane]*y;
if (!dst[plane]) continue;
// ignore palette for GRAY8
if (plane == 1 && !dst[2]) continue;
- if (!src[plane] || (plane == 1 && !src[2]))
+ if (!src[plane] || (plane == 1 && !src[2])){
+ if(is16BPS(c->dstFormat))
+ length*=2;
fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128);
- else
+ }else
{
- if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0)
+ if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)){
+ if (!isBE(c->srcFormat)) srcPtr++;
+ for (i=0; i<height; i++){
+ for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1];
+ srcPtr+= srcStride[plane];
+ dstPtr+= dstStride[plane];
+ }
+ }else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)){
+ for (i=0; i<height; i++){
+ for (j=0; j<length; j++){
+ dstPtr[ j<<1 ] = srcPtr[j];
+ dstPtr[(j<<1)+1] = srcPtr[j];
+ }
+ srcPtr+= srcStride[plane];
+ dstPtr+= dstStride[plane];
+ }
+ }else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)
+ && isBE(c->srcFormat) != isBE(c->dstFormat)){
+
+ for (i=0; i<height; i++){
+ for (j=0; j<length; j++)
+ ((uint16_t*)dstPtr)[j] = bswap_16(((uint16_t*)srcPtr)[j]);
+ srcPtr+= srcStride[plane];
+ dstPtr+= dstStride[plane];
+ }
+ } else if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0)
memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]);
else
{
- int i;
- uint8_t *srcPtr= src[plane];
- uint8_t *dstPtr= dst[plane] + dstStride[plane]*y;
+ if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
+ length*=2;
for (i=0; i<height; i++)
{
memcpy(dstPtr, srcPtr, length);
@@ -2159,73 +2187,6 @@ static int planarCopy(SwsContext *c, uin
return srcSliceH;
}
-static int gray16togray(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
-
- int length= c->srcW;
- int y= srcSliceY;
- int height= srcSliceH;
- int i, j;
- uint8_t *srcPtr= src[0];
- uint8_t *dstPtr= dst[0] + dstStride[0]*y;
-
- if (!isGray(c->dstFormat)){
- int height= -((-srcSliceH)>>c->chrDstVSubSample);
- memset(dst[1], 128, dstStride[1]*height);
- memset(dst[2], 128, dstStride[2]*height);
- }
- if (!isBE(c->srcFormat)) srcPtr++;
- for (i=0; i<height; i++)
- {
- for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1];
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
- }
- if (dst[3])
- fillPlane(dst[3], dstStride[3], length, height, y, 255);
- return srcSliceH;
-}
-
-static int graytogray16(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
-
- int length= c->srcW;
- int y= srcSliceY;
- int height= srcSliceH;
- int i, j;
- uint8_t *srcPtr= src[0];
- uint8_t *dstPtr= dst[0] + dstStride[0]*y;
- for (i=0; i<height; i++)
- {
- for (j=0; j<length; j++)
- {
- dstPtr[j<<1] = srcPtr[j];
- dstPtr[(j<<1)+1] = srcPtr[j];
- }
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
- }
- return srcSliceH;
-}
-
-static int gray16swap(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
-
- int length= c->srcW;
- int y= srcSliceY;
- int height= srcSliceH;
- int i, j;
- uint16_t *srcPtr= (uint16_t*)src[0];
- uint16_t *dstPtr= (uint16_t*)(dst[0] + dstStride[0]*y/2);
- for (i=0; i<height; i++)
- {
- for (j=0; j<length; j++) dstPtr[j] = bswap_16(srcPtr[j]);
- srcPtr+= srcStride[0]/2;
- dstPtr+= dstStride[0]/2;
- }
- return srcSliceH;
-}
-
static void getSubSampleFactors(int *h, int *v, int format){
switch(format){
@@ -2612,28 +2573,14 @@ SwsContext *sws_getContext(int srcW, int
|| (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P)
|| (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P)
|| (isPlanarYUV(srcFormat) && isGray(dstFormat))
- || (isPlanarYUV(dstFormat) && isGray(srcFormat)))
+ || (isPlanarYUV(dstFormat) && isGray(srcFormat))
+ || (isGray(dstFormat) && isGray(srcFormat)))
{
if (isPacked(c->srcFormat))
c->swScale= packedCopy;
else /* Planar YUV or gray */
c->swScale= planarCopy;
}
-
- /* gray16{le,be} conversions */
- if (isGray16(srcFormat) && (isPlanarYUV(dstFormat) || (dstFormat == PIX_FMT_GRAY8)))
- {
- c->swScale= gray16togray;
- }
- if ((isPlanarYUV(srcFormat) || (srcFormat == PIX_FMT_GRAY8)) && isGray16(dstFormat))
- {
- c->swScale= graytogray16;
- }
- if (srcFormat != dstFormat && isGray16(srcFormat) && isGray16(dstFormat))
- {
- c->swScale= gray16swap;
- }
-
#if ARCH_BFIN
if (flags & SWS_CPU_CAPS_BFIN)
ff_bfin_get_unscaled_swscale (c);
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