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Add unscaled converter from GBRP > 8bit to RGBx48/64. 

Fixes ticket #2633.

Tested-by: Michael Cinquin
tags/n2.0
Carl Eugen Hoyos 12 years ago
parent
86005184e3
commit
d5978c8678
2 changed files with 157 additions and 1 deletions
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  1. +156
    -0
      libswscale/swscale_unscaled.c
  2. +1
    -1
      tests/ref/lavf/dpx

+ 156
- 0
libswscale/swscale_unscaled.c View File

@@ -389,6 +389,151 @@ static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
return srcSliceH;
}

static void gbr16ptopacked16(const uint16_t *src[], int srcStride[],
uint8_t *dst, int dstStride, int srcSliceH,
int alpha, int swap, int bpp, int width)
{
int x, h, i;
int scale_high = 16 - bpp, scale_low = (bpp - 8) * 2;
for (h = 0; h < srcSliceH; h++) {
uint16_t *dest = (uint16_t *)(dst + dstStride * h);
uint16_t component;

switch(swap) {
case 3:
if (alpha) {
for (x = 0; x < width; x++) {
component = av_bswap16(src[0][x]);
*dest++ = av_bswap16(component << scale_high | component >> scale_low);
component = av_bswap16(src[1][x]);
*dest++ = av_bswap16(component << scale_high | component >> scale_low);
component = av_bswap16(src[2][x]);
*dest++ = av_bswap16(component << scale_high | component >> scale_low);
*dest++ = 0xffff;
}
} else {
for (x = 0; x < width; x++) {
component = av_bswap16(src[0][x]);
*dest++ = av_bswap16(component << scale_high | component >> scale_low);
component = av_bswap16(src[1][x]);
*dest++ = av_bswap16(component << scale_high | component >> scale_low);
component = av_bswap16(src[2][x]);
*dest++ = av_bswap16(component << scale_high | component >> scale_low);
}
}
break;
case 2:
if (alpha) {
for (x = 0; x < width; x++) {
*dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
*dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
*dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
*dest++ = 0xffff;
}
} else {
for (x = 0; x < width; x++) {
*dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
*dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
*dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
}
}
break;
case 1:
if (alpha) {
for (x = 0; x < width; x++) {
*dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
*dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
*dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
*dest++ = 0xffff;
}
} else {
for (x = 0; x < width; x++) {
*dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
*dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
*dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
}
}
break;
default:
if (alpha) {
for (x = 0; x < width; x++) {
*dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
*dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
*dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
*dest++ = 0xffff;
}
} else {
for (x = 0; x < width; x++) {
*dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
*dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
*dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
}
}
}
for (i = 0; i < 3; i++)
src[i] += srcStride[i] >> 1;
}
}

static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[],
int srcStride[], int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
const uint16_t *src102[] = { (uint16_t *)src[1], (uint16_t *)src[0], (uint16_t *)src[2] };
const uint16_t *src201[] = { (uint16_t *)src[2], (uint16_t *)src[0], (uint16_t *)src[1] };
int stride102[] = { srcStride[1], srcStride[0], srcStride[2] };
int stride201[] = { srcStride[2], srcStride[0], srcStride[1] };
const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
int bits_per_sample = src_format->comp[0].depth_minus1 + 1;
int swap = 0;
if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
!HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
swap++;
if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
!HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
swap += 2;

if (src_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) !=
(AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) {
av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
src_format->name, dst_format->name);
return srcSliceH;
}
switch (c->dstFormat) {
case AV_PIX_FMT_BGR48LE:
case AV_PIX_FMT_BGR48BE:
gbr16ptopacked16(src102, stride102,
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, 0, swap, bits_per_sample, c->srcW);
break;
case AV_PIX_FMT_RGB48LE:
case AV_PIX_FMT_RGB48BE:
gbr16ptopacked16(src201, stride201,
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, 0, swap, bits_per_sample, c->srcW);
break;
case AV_PIX_FMT_RGBA64LE:
case AV_PIX_FMT_RGBA64BE:
gbr16ptopacked16(src201, stride201,
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, 1, swap, bits_per_sample, c->srcW);
break;
case AV_PIX_FMT_BGRA64LE:
case AV_PIX_FMT_BGRA64BE:
gbr16ptopacked16(src102, stride102,
dst[0] + srcSliceY * dstStride[0], dstStride[0],
srcSliceH, 1, swap, bits_per_sample, c->srcW);
break;
default:
av_log(c, AV_LOG_ERROR,
"unsupported planar RGB conversion %s -> %s\n",
src_format->name, dst_format->name);
}

return srcSliceH;
}

static void gbr24ptopacked24(const uint8_t *src[], int srcStride[],
uint8_t *dst, int dstStride, int srcSliceH,
int width)
@@ -1070,6 +1215,17 @@ 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_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE ||
srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE ||
srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE ||
srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE ||
srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE) &&
(dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE ||
dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE ||
dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE ||
dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE))
c->swScale = planarRgb16ToRgb16Wrapper;

if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth_minus1 == 7 &&
isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
c->swScale = rgbToPlanarRgbWrapper;


+ 1
- 1
tests/ref/lavf/dpx View File

@@ -11,7 +11,7 @@
./tests/data/images/dpx/%02d.dpx CRC=0xe5b9c023
609920 ./tests/data/images/dpx/02.dpx
b9f22728f8ff393bf30cf6cbd624fa95 *./tests/data/images/dpx/02.dpx
./tests/data/images/dpx/%02d.dpx CRC=0xb6310a70
./tests/data/images/dpx/%02d.dpx CRC=0xf38d5830
407168 ./tests/data/images/dpx/02.dpx
545603630f30dec2768c8ae8d12eb8ea *./tests/data/images/dpx/02.dpx
./tests/data/images/dpx/%02d.dpx CRC=0xe72ce131


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