/*
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//#undef ARCH_X86
#define DITHER1XBPP
-#define FAST_BGR2YV12 // use 7 bit coefficients instead of 15 bit
-
#define isPacked(x) ( \
(x)==PIX_FMT_PAL8 \
|| (x)==PIX_FMT_YUYV422 \
|| (x)==PIX_FMT_UYVY422 \
+ || (x)==PIX_FMT_Y400A \
|| isAnyRGB(x) \
)
#endif //!CONFIG_RUNTIME_CPUDETECT
}
-static int planarToNv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[])
+static void copyPlane(const uint8_t *src, int srcStride,
+ int srcSliceY, int srcSliceH, int width,
+ uint8_t *dst, int dstStride)
{
- uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
- /* Copy Y plane */
- if (dstStride[0]==srcStride[0] && srcStride[0] > 0)
- memcpy(dst, src[0], srcSliceH*dstStride[0]);
- else {
+ dst += dstStride * srcSliceY;
+ if (dstStride == srcStride && srcStride > 0) {
+ memcpy(dst, src, srcSliceH * dstStride);
+ } else {
int i;
- const uint8_t *srcPtr= src[0];
- uint8_t *dstPtr= dst;
for (i=0; i<srcSliceH; i++) {
- memcpy(dstPtr, srcPtr, c->srcW);
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
+ memcpy(dst, src, width);
+ src += srcStride;
+ dst += dstStride;
}
}
- dst = dstParam[1] + dstStride[1]*srcSliceY/2;
+}
+
+static int planarToNv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
+ uint8_t *dst = dstParam[1] + dstStride[1]*srcSliceY/2;
+
+ copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
+ dstParam[0], dstStride[0]);
+
if (c->dstFormat == PIX_FMT_NV12)
interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]);
else
return srcSliceH;
}
+static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+{
+ long i;
+ for (i=0; i<num_pixels; i++)
+ ((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | (src[(i<<1)+1] << 24);
+}
+
+static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+{
+ long i;
+
+ for (i=0; i<num_pixels; i++)
+ ((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | src[(i<<1)+1];
+}
+
+static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+{
+ long i;
+
+ for (i=0; i<num_pixels; i++) {
+ //FIXME slow?
+ dst[0]= palette[src[i<<1]*4+0];
+ dst[1]= palette[src[i<<1]*4+1];
+ dst[2]= palette[src[i<<1]*4+2];
+ dst+= 3;
+ }
+}
+
static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
const uint8_t *srcPtr= src[0];
- if (usePal(srcFormat)) {
+ if (srcFormat == PIX_FMT_Y400A) {
+ switch (dstFormat) {
+ case PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
+ case PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
+ case PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
+ case PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
+ case PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
+ case PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
+ }
+ } else if (usePal(srcFormat)) {
switch (dstFormat) {
case PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
case PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
- int i;
-
- /* copy Y */
- if (srcStride[0]==dstStride[0] && srcStride[0] > 0)
- memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH);
- else {
- const uint8_t *srcPtr= src[0];
- uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
-
- for (i=0; i<srcSliceH; i++) {
- memcpy(dstPtr, srcPtr, c->srcW);
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
- }
- }
+ copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
+ dst[0], dstStride[0]);
planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
srcSliceH >> 2, srcStride[1], dstStride[1]);
r= (i>>3 )*255;
g= ((i>>1)&3)*85;
b= (i&1 )*255;
- } else if(c->srcFormat == PIX_FMT_GRAY8) {
+ } else if(c->srcFormat == PIX_FMT_GRAY8 || c->srcFormat == PIX_FMT_Y400A) {
r = g = b = i;
} else {
assert(c->srcFormat == PIX_FMT_BGR4_BYTE);
projects / ffmpeg / blobdiff