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swscale/swscale_unscaled: add gbrap -> packed rgb path

This commit is contained in:
Paul B Mahol 2018-09-09 22:33:25 +02:00
parent 29a24e5f79
commit 931e7c050e
1 changed files with 88 additions and 0 deletions
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88
libswscale/swscale_unscaled.c
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@ -916,6 +916,91 @@ static void gbr24ptopacked32(const uint8_t *src[], int srcStride[],
}
}
static void gbraptopacked32(const uint8_t *src[], int srcStride[],
uint8_t *dst, int dstStride, int srcSliceH,
int alpha_first, int width)
{
int x, h, i;
for (h = 0; h < srcSliceH; h++) {
uint8_t *dest = dst + dstStride * h;
if (alpha_first) {
for (x = 0; x < width; x++) {
*dest++ = src[3][x];
*dest++ = src[0][x];
*dest++ = src[1][x];
*dest++ = src[2][x];
}
} else {
for (x = 0; x < width; x++) {
*dest++ = src[0][x];
*dest++ = src[1][x];
*dest++ = src[2][x];
*dest++ = src[3][x];
}
}
for (i = 0; i < 4; i++)
src[i] += srcStride[i];
}
}
static int planarRgbaToRgbWrapper(SwsContext *c, const uint8_t *src[],
int srcStride[], int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int alpha_first = 0;
const uint8_t *src102[] = { src[1], src[0], src[2], src[3] };
const uint8_t *src201[] = { src[2], src[0], src[1], src[3] };
int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] };
int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] };
if (c->srcFormat != AV_PIX_FMT_GBRAP) {
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));
return srcSliceH;
}
switch (c->dstFormat) {
case AV_PIX_FMT_BGR24:
gbr24ptopacked24(src102, stride102,
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, c->srcW);
break;
case AV_PIX_FMT_RGB24:
gbr24ptopacked24(src201, stride201,
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, c->srcW);
break;
case AV_PIX_FMT_ARGB:
alpha_first = 1;
case AV_PIX_FMT_RGBA:
gbraptopacked32(src201, stride201,
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, alpha_first, c->srcW);
break;
case AV_PIX_FMT_ABGR:
alpha_first = 1;
case AV_PIX_FMT_BGRA:
gbraptopacked32(src102, stride102,
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, alpha_first, c->srcW);
break;
default:
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));
}
return srcSliceH;
}
static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
int srcStride[], int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
@ -1837,6 +1922,9 @@ void ff_get_unscaled_swscale(SwsContext *c)
if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
c->swscale = planarRgbToRgbWrapper;
if (srcFormat == AV_PIX_FMT_GBRAP && isByteRGB(dstFormat))
c->swscale = planarRgbaToRgbWrapper;
if ((srcFormat == AV_PIX_FMT_RGB48LE || srcFormat == AV_PIX_FMT_RGB48BE ||
srcFormat == AV_PIX_FMT_BGR48LE || srcFormat == AV_PIX_FMT_BGR48BE ||
srcFormat == AV_PIX_FMT_RGBA64LE || srcFormat == AV_PIX_FMT_RGBA64BE ||