#include "libavutil/pixdesc.h"
#include "libavutil/avassert.h"
-#define RGB2YUV_SHIFT 15
-#define BY ( (int) (0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-#define BV (-(int) (0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-#define BU ( (int) (0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-#define GY ( (int) (0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-#define GV (-(int) (0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-#define GU (-(int) (0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-#define RY ( (int) (0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-#define RV ( (int) (0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-#define RU (-(int) (0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
-
DECLARE_ALIGNED(8, const uint8_t, dithers)[8][8][8]={
{
{ 0, 1, 0, 1, 0, 1, 0, 1,},
{ 112, 16,104, 8,118, 22,110, 14,},
}};
-static const uint8_t flat64[8]={64,64,64,64,64,64,64,64};
-
const uint16_t dither_scale[15][16]={
{ 2, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,},
{ 2, 3, 7, 7, 13, 13, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,},
copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
dstParam[0], dstStride[0]);
- if (c->dstFormat == PIX_FMT_NV12)
+ if (c->dstFormat == AV_PIX_FMT_NV12)
interleaveBytes(src[1], src[2], dst, c->srcW / 2, srcSliceH / 2,
srcStride[1], srcStride[2], dstStride[0]);
else
int srcSliceY, int srcSliceH, uint8_t *dst[],
int dstStride[])
{
- const enum PixelFormat srcFormat = c->srcFormat;
- const enum PixelFormat dstFormat = c->dstFormat;
+ const enum AVPixelFormat srcFormat = c->srcFormat;
+ const enum AVPixelFormat dstFormat = c->dstFormat;
void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
const uint8_t *palette) = NULL;
int i;
uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
const uint8_t *srcPtr = src[0];
- if (srcFormat == PIX_FMT_GRAY8A) {
+ if (srcFormat == AV_PIX_FMT_GRAY8A) {
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;
+ case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
+ case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
+ case AV_PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
+ case AV_PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
+ case AV_PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
+ case AV_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;
- case PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
- case PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
- case PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
- case PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
+ case AV_PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
+ case AV_PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
+ case AV_PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
+ case AV_PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
+ case AV_PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
+ case AV_PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
}
}
uint8_t *dst[], int dstStride[])
{
int alpha_first = 0;
- if (c->srcFormat != PIX_FMT_GBRP) {
+ if (c->srcFormat != AV_PIX_FMT_GBRP) {
av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
av_get_pix_fmt_name(c->srcFormat),
av_get_pix_fmt_name(c->dstFormat));
}
switch (c->dstFormat) {
- case PIX_FMT_BGR24:
+ case AV_PIX_FMT_BGR24:
gbr24ptopacked24((const uint8_t *[]) { src[1], src[0], src[2] },
(int []) { srcStride[1], srcStride[0], srcStride[2] },
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, c->srcW);
break;
- case PIX_FMT_RGB24:
+ case AV_PIX_FMT_RGB24:
gbr24ptopacked24((const uint8_t *[]) { src[2], src[0], src[1] },
(int []) { srcStride[2], srcStride[0], srcStride[1] },
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, c->srcW);
break;
- case PIX_FMT_ARGB:
+ case AV_PIX_FMT_ARGB:
alpha_first = 1;
- case PIX_FMT_RGBA:
+ case AV_PIX_FMT_RGBA:
gbr24ptopacked32((const uint8_t *[]) { src[2], src[0], src[1] },
(int []) { srcStride[2], srcStride[0], srcStride[1] },
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, alpha_first, c->srcW);
break;
- case PIX_FMT_ABGR:
+ case AV_PIX_FMT_ABGR:
alpha_first = 1;
- case PIX_FMT_BGRA:
+ case AV_PIX_FMT_BGRA:
gbr24ptopacked32((const uint8_t *[]) { src[1], src[0], src[2] },
(int []) { srcStride[1], srcStride[0], srcStride[2] },
dst[0] + srcSliceY * dstStride[0], dstStride[0],
}
#define isRGBA32(x) ( \
- (x) == PIX_FMT_ARGB \
- || (x) == PIX_FMT_RGBA \
- || (x) == PIX_FMT_BGRA \
- || (x) == PIX_FMT_ABGR \
+ (x) == AV_PIX_FMT_ARGB \
+ || (x) == AV_PIX_FMT_RGBA \
+ || (x) == AV_PIX_FMT_BGRA \
+ || (x) == AV_PIX_FMT_ABGR \
)
#define isRGBA64(x) ( \
- (x) == PIX_FMT_RGBA64LE \
- || (x) == PIX_FMT_RGBA64BE \
- || (x) == PIX_FMT_BGRA64LE \
- || (x) == PIX_FMT_BGRA64BE \
+ (x) == AV_PIX_FMT_RGBA64LE \
+ || (x) == AV_PIX_FMT_RGBA64BE \
+ || (x) == AV_PIX_FMT_BGRA64LE \
+ || (x) == AV_PIX_FMT_BGRA64BE \
)
#define isRGB48(x) ( \
- (x) == PIX_FMT_RGB48LE \
- || (x) == PIX_FMT_RGB48BE \
- || (x) == PIX_FMT_BGR48LE \
- || (x) == PIX_FMT_BGR48BE \
+ (x) == AV_PIX_FMT_RGB48LE \
+ || (x) == AV_PIX_FMT_RGB48BE \
+ || (x) == AV_PIX_FMT_BGR48LE \
+ || (x) == AV_PIX_FMT_BGR48BE \
)
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
static rgbConvFn findRgbConvFn(SwsContext *c)
{
- const enum PixelFormat srcFormat = c->srcFormat;
- const enum PixelFormat dstFormat = c->dstFormat;
+ const enum AVPixelFormat srcFormat = c->srcFormat;
+ const enum AVPixelFormat dstFormat = c->dstFormat;
const int srcId = c->srcFormatBpp;
const int dstId = c->dstFormatBpp;
rgbConvFn conv = NULL;
+ const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);
+ const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);
-#define IS_NOT_NE(bpp, fmt) \
+#define IS_NOT_NE(bpp, desc) \
(((bpp + 7) >> 3) == 2 && \
- (!(av_pix_fmt_descriptors[fmt].flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))
+ (!(desc->flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))
-#define CONV_IS(src, dst) (srcFormat == PIX_FMT_##src && dstFormat == PIX_FMT_##dst)
+#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
if ( CONV_IS(ABGR, RGBA)
int dstStride[])
{
- const enum PixelFormat srcFormat = c->srcFormat;
- const enum PixelFormat dstFormat = c->dstFormat;
+ const enum AVPixelFormat srcFormat = c->srcFormat;
+ const enum AVPixelFormat dstFormat = c->dstFormat;
+ const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
+ const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
const int srcBpp = (c->srcFormatBpp + 7) >> 3;
const int dstBpp = (c->dstFormatBpp + 7) >> 3;
rgbConvFn conv = findRgbConvFn(c);
} else {
const uint8_t *srcPtr = src[0];
uint8_t *dstPtr = dst[0];
- int src_bswap = IS_NOT_NE(c->srcFormatBpp, srcFormat);
- int dst_bswap = IS_NOT_NE(c->dstFormatBpp, dstFormat);
+ int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src);
+ int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst);
- if ((srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) &&
+ if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) &&
!isRGBA32(dstFormat))
srcPtr += ALT32_CORR;
- if ((dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_BGR32_1) &&
+ if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
!isRGBA32(srcFormat))
dstPtr += ALT32_CORR;
int srcStride[], int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
+ const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
+ const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
int plane, i, j;
for (plane = 0; plane < 4; plane++) {
int length = (plane == 0 || plane == 3) ? c->srcW : -((-c->srcW ) >> c->chrDstHSubSample);
if (!src[plane] || (plane == 1 && !src[2])) {
if (is16BPS(c->dstFormat) || isNBPS(c->dstFormat)) {
fillPlane16(dst[plane], dstStride[plane], length, height, y,
- plane == 3, av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1);
+ plane == 3, desc_dst->comp[plane].depth_minus1);
} else {
fillPlane(dst[plane], dstStride[plane], length, height, y,
(plane == 3) ? 255 : 128);
if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
|| (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
) {
- const int src_depth = av_pix_fmt_descriptors[c->srcFormat].comp[plane].depth_minus1 + 1;
- const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1 + 1;
+ const int src_depth = desc_src->comp[plane].depth_minus1 + 1;
+ const int dst_depth = desc_dst->comp[plane].depth_minus1 + 1;
const uint16_t *srcPtr2 = (const uint16_t *) srcPtr;
uint16_t *dstPtr2 = (uint16_t*)dstPtr;
} else {
if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
length *= 2;
- else if (!av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1)
+ else if (!desc_src->comp[0].depth_minus1)
length >>= 3; // monowhite/black
for (i = 0; i < height; i++) {
memcpy(dstPtr, srcPtr, length);
void ff_get_unscaled_swscale(SwsContext *c)
{
- const enum PixelFormat srcFormat = c->srcFormat;
- const enum PixelFormat dstFormat = c->dstFormat;
+ const enum AVPixelFormat srcFormat = c->srcFormat;
+ const enum AVPixelFormat dstFormat = c->dstFormat;
const int flags = c->flags;
const int dstH = c->dstH;
int needsDither;
(c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
/* yv12_to_nv12 */
- if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) &&
- (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) {
+ if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
+ (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
c->swScale = planarToNv12Wrapper;
}
/* yuv2bgr */
- if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUV422P ||
- srcFormat == PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
+ if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
+ srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
!(flags & SWS_ACCURATE_RND) && !(dstH & 1)) {
c->swScale = ff_yuv2rgb_get_func_ptr(c);
}
- if (srcFormat == PIX_FMT_YUV410P &&
- (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P) &&
+ if (srcFormat == AV_PIX_FMT_YUV410P &&
+ (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
!(flags & SWS_BITEXACT)) {
c->swScale = yvu9ToYv12Wrapper;
}
/* bgr24toYV12 */
- if (srcFormat == PIX_FMT_BGR24 &&
- (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P) &&
+ if (srcFormat == AV_PIX_FMT_BGR24 &&
+ (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
!(flags & SWS_ACCURATE_RND))
c->swScale = bgr24ToYv12Wrapper;
c->swScale= rgbToRgbWrapper;
#define isByteRGB(f) (\
- f == PIX_FMT_RGB32 ||\
- f == PIX_FMT_RGB32_1 ||\
- f == PIX_FMT_RGB24 ||\
- f == PIX_FMT_BGR32 ||\
- f == PIX_FMT_BGR32_1 ||\
- f == PIX_FMT_BGR24)
+ f == AV_PIX_FMT_RGB32 ||\
+ f == AV_PIX_FMT_RGB32_1 ||\
+ f == AV_PIX_FMT_RGB24 ||\
+ f == AV_PIX_FMT_BGR32 ||\
+ f == AV_PIX_FMT_BGR32_1 ||\
+ f == AV_PIX_FMT_BGR24)
if (isAnyRGB(srcFormat) && isPlanar(srcFormat) && isByteRGB(dstFormat))
c->swScale = planarRgbToRgbWrapper;
/* bswap 16 bits per pixel/component packed formats */
- if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGR444) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGR48) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGRA64) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGR555) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGR565) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_GRAY16) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGB444) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGB48) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGBA64) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGB555) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGB565))
+ if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565))
c->swScale = packed_16bpc_bswap;
if (usePal(srcFormat) && isByteRGB(dstFormat))
c->swScale = palToRgbWrapper;
- if (srcFormat == PIX_FMT_YUV422P) {
- if (dstFormat == PIX_FMT_YUYV422)
+ if (srcFormat == AV_PIX_FMT_YUV422P) {
+ if (dstFormat == AV_PIX_FMT_YUYV422)
c->swScale = yuv422pToYuy2Wrapper;
- else if (dstFormat == PIX_FMT_UYVY422)
+ else if (dstFormat == AV_PIX_FMT_UYVY422)
c->swScale = yuv422pToUyvyWrapper;
}
/* LQ converters if -sws 0 or -sws 4*/
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
/* yv12_to_yuy2 */
- if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) {
- if (dstFormat == PIX_FMT_YUYV422)
+ if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
+ if (dstFormat == AV_PIX_FMT_YUYV422)
c->swScale = planarToYuy2Wrapper;
- else if (dstFormat == PIX_FMT_UYVY422)
+ else if (dstFormat == AV_PIX_FMT_UYVY422)
c->swScale = planarToUyvyWrapper;
}
}
- if (srcFormat == PIX_FMT_YUYV422 &&
- (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
+ if (srcFormat == AV_PIX_FMT_YUYV422 &&
+ (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
c->swScale = yuyvToYuv420Wrapper;
- if (srcFormat == PIX_FMT_UYVY422 &&
- (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
+ if (srcFormat == AV_PIX_FMT_UYVY422 &&
+ (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
c->swScale = uyvyToYuv420Wrapper;
- if (srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P)
+ if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
c->swScale = yuyvToYuv422Wrapper;
- if (srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P)
+ if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
c->swScale = uyvyToYuv422Wrapper;
-#define isPlanarGray(x) (isGray(x) && (x) != PIX_FMT_GRAY8A)
+#define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_GRAY8A)
/* simple copy */
if ( srcFormat == dstFormat ||
- (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P) ||
- (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P) ||
+ (srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) ||
+ (srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) ||
(isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
(isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
(isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) ||
(isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
c->chrDstHSubSample == c->chrSrcHSubSample &&
c->chrDstVSubSample == c->chrSrcVSubSample &&
- dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21 &&
- srcFormat != PIX_FMT_NV12 && srcFormat != PIX_FMT_NV21))
+ dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
+ srcFormat != AV_PIX_FMT_NV12 && srcFormat != AV_PIX_FMT_NV21))
{
if (isPacked(c->srcFormat))
c->swScale = packedCopyWrapper;
ff_swscale_get_unscaled_altivec(c);
}
-static void reset_ptr(const uint8_t *src[], int format)
-{
- if (!isALPHA(format))
- src[3] = NULL;
- if (!isPlanar(format)) {
- src[3] = src[2] = NULL;
-
- if (!usePal(format))
- src[1] = NULL;
- }
-}
-
-static int check_image_pointers(const uint8_t * const data[4], enum PixelFormat pix_fmt,
- const int linesizes[4])
-{
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
- int i;
-
- for (i = 0; i < 4; i++) {
- int plane = desc->comp[i].plane;
- if (!data[plane] || !linesizes[plane])
- return 0;
- }
-
- return 1;
-}
-
-/**
- * swscale wrapper, so we don't need to export the SwsContext.
- * Assumes planar YUV to be in YUV order instead of YVU.
- */
-int attribute_align_arg sws_scale(struct SwsContext *c,
- const uint8_t * const srcSlice[],
- const int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t *const dst[],
- const int dstStride[])
-{
- int i, ret;
- const uint8_t *src2[4] = { srcSlice[0], srcSlice[1], srcSlice[2], srcSlice[3] };
- uint8_t *dst2[4] = { dst[0], dst[1], dst[2], dst[3] };
- uint8_t *rgb0_tmp = NULL;
-
- // do not mess up sliceDir if we have a "trailing" 0-size slice
- if (srcSliceH == 0)
- return 0;
-
- if (!check_image_pointers(srcSlice, c->srcFormat, srcStride)) {
- av_log(c, AV_LOG_ERROR, "bad src image pointers\n");
- return 0;
- }
- if (!check_image_pointers((const uint8_t* const*)dst, c->dstFormat, dstStride)) {
- av_log(c, AV_LOG_ERROR, "bad dst image pointers\n");
- return 0;
- }
-
- if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
- av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
- return 0;
- }
- if (c->sliceDir == 0) {
- if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1;
- }
-
- if (usePal(c->srcFormat)) {
- for (i = 0; i < 256; i++) {
- int p, r, g, b, y, u, v, a = 0xff;
- if (c->srcFormat == PIX_FMT_PAL8) {
- p = ((const uint32_t *)(srcSlice[1]))[i];
- a = (p >> 24) & 0xFF;
- r = (p >> 16) & 0xFF;
- g = (p >> 8) & 0xFF;
- b = p & 0xFF;
- } else if (c->srcFormat == PIX_FMT_RGB8) {
- r = ( i >> 5 ) * 36;
- g = ((i >> 2) & 7) * 36;
- b = ( i & 3) * 85;
- } else if (c->srcFormat == PIX_FMT_BGR8) {
- b = ( i >> 6 ) * 85;
- g = ((i >> 3) & 7) * 36;
- r = ( i & 7) * 36;
- } else if (c->srcFormat == PIX_FMT_RGB4_BYTE) {
- r = ( i >> 3 ) * 255;
- g = ((i >> 1) & 3) * 85;
- b = ( i & 1) * 255;
- } else if (c->srcFormat == PIX_FMT_GRAY8 || c->srcFormat == PIX_FMT_GRAY8A) {
- r = g = b = i;
- } else {
- av_assert1(c->srcFormat == PIX_FMT_BGR4_BYTE);
- b = ( i >> 3 ) * 255;
- g = ((i >> 1) & 3) * 85;
- r = ( i & 1) * 255;
- }
- y = av_clip_uint8((RY * r + GY * g + BY * b + ( 33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
- u = av_clip_uint8((RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
- v = av_clip_uint8((RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
- c->pal_yuv[i]= y + (u<<8) + (v<<16) + (a<<24);
-
- switch (c->dstFormat) {
- case PIX_FMT_BGR32:
-#if !HAVE_BIGENDIAN
- case PIX_FMT_RGB24:
-#endif
- c->pal_rgb[i]= r + (g<<8) + (b<<16) + (a<<24);
- break;
- case PIX_FMT_BGR32_1:
-#if HAVE_BIGENDIAN
- case PIX_FMT_BGR24:
-#endif
- c->pal_rgb[i]= a + (r<<8) + (g<<16) + (b<<24);
- break;
- case PIX_FMT_RGB32_1:
-#if HAVE_BIGENDIAN
- case PIX_FMT_RGB24:
-#endif
- c->pal_rgb[i]= a + (b<<8) + (g<<16) + (r<<24);
- break;
- case PIX_FMT_RGB32:
-#if !HAVE_BIGENDIAN
- case PIX_FMT_BGR24:
-#endif
- default:
- c->pal_rgb[i]= b + (g<<8) + (r<<16) + (a<<24);
- }
- }
- }
-
- if (c->src0Alpha && !c->dst0Alpha && isALPHA(c->dstFormat)) {
- uint8_t *base;
- int x,y;
- rgb0_tmp = av_malloc(FFABS(srcStride[0]) * srcSliceH + 32);
- base = srcStride[0] < 0 ? rgb0_tmp - srcStride[0] * (srcSliceH-1) : rgb0_tmp;
- for (y=0; y<srcSliceH; y++){
- memcpy(base + srcStride[0]*y, src2[0] + srcStride[0]*y, 4*c->srcW);
- for (x=c->src0Alpha-1; x<4*c->srcW; x+=4) {
- base[ srcStride[0]*y + x] = 0xFF;
- }
- }
- src2[0] = base;
- }
-
- // copy strides, so they can safely be modified
- if (c->sliceDir == 1) {
- // slices go from top to bottom
- int srcStride2[4] = { srcStride[0], srcStride[1], srcStride[2],
- srcStride[3] };
- int dstStride2[4] = { dstStride[0], dstStride[1], dstStride[2],
- dstStride[3] };
-
- reset_ptr(src2, c->srcFormat);
- reset_ptr((void*)dst2, c->dstFormat);
-
- /* reset slice direction at end of frame */
- if (srcSliceY + srcSliceH == c->srcH)
- c->sliceDir = 0;
-
- ret = c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2,
- dstStride2);
- } else {
- // slices go from bottom to top => we flip the image internally
- int srcStride2[4] = { -srcStride[0], -srcStride[1], -srcStride[2],
- -srcStride[3] };
- int dstStride2[4] = { -dstStride[0], -dstStride[1], -dstStride[2],
- -dstStride[3] };
-
- src2[0] += (srcSliceH - 1) * srcStride[0];
- if (!usePal(c->srcFormat))
- src2[1] += ((srcSliceH >> c->chrSrcVSubSample) - 1) * srcStride[1];
- src2[2] += ((srcSliceH >> c->chrSrcVSubSample) - 1) * srcStride[2];
- src2[3] += (srcSliceH - 1) * srcStride[3];
- dst2[0] += ( c->dstH - 1) * dstStride[0];
- dst2[1] += ((c->dstH >> c->chrDstVSubSample) - 1) * dstStride[1];
- dst2[2] += ((c->dstH >> c->chrDstVSubSample) - 1) * dstStride[2];
- dst2[3] += ( c->dstH - 1) * dstStride[3];
-
- reset_ptr(src2, c->srcFormat);
- reset_ptr((void*)dst2, c->dstFormat);
-
- /* reset slice direction at end of frame */
- if (!srcSliceY)
- c->sliceDir = 0;
-
- ret = c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH,
- srcSliceH, dst2, dstStride2);
- }
-
- av_free(rgb0_tmp);
- return ret;
-}
-
/* Convert the palette to the same packed 32-bit format as the palette */
void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst,
int num_pixels, const uint8_t *palette)
projects / ffmpeg / blobdiff