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swscale: use 15-bit intermediates for 9/10-bit scaling.

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pull/2/head
Ronald S. Bultje 14 years ago
parent 18b131de04
commit ac0fb59348
8 changed files with 190 additions and 88 deletions
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  1. 163
      libswscale/swscale.c
  2. 75
      libswscale/swscale_internal.h
  3. 12
      libswscale/utils.c
  4. 4
      tests/ref/lavfi/pixdesc
  5. 4
      tests/ref/lavfi/pixfmts_copy
  6. 4
      tests/ref/lavfi/pixfmts_null
  7. 12
      tests/ref/lavfi/pixfmts_scale
  8. 4
      tests/ref/lavfi/pixfmts_vflip

163
libswscale/swscale.c
Unescape View File

@ -211,17 +211,9 @@ yuv2yuvX16_c_template(const int16_t *lumFilter, const int32_t **lumSrc,
#define output_pixel(pos, val) \
if (big_endian) { \
if (output_bits == 16) { \
AV_WB16(pos, av_clip_uint16(val >> shift)); \
} else { \
AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
} \
AV_WB16(pos, av_clip_uint16(val >> shift)); \
} else { \
if (output_bits == 16) { \
AV_WL16(pos, av_clip_uint16(val >> shift)); \
} else { \
AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
} \
AV_WL16(pos, av_clip_uint16(val >> shift)); \
}
for (i = 0; i < dstW; i++) {
int val = 1 << (30-output_bits - 1);
@ -263,7 +255,67 @@ yuv2yuvX16_c_template(const int16_t *lumFilter, const int32_t **lumSrc,
#undef output_pixel
}
#define yuv2NBPS(bits, BE_LE, is_be) \
static av_always_inline void
yuv2yuvX10_c_template(const int16_t *lumFilter, const int16_t **lumSrc,
int lumFilterSize, const int16_t *chrFilter,
const int16_t **chrUSrc, const int16_t **chrVSrc,
int chrFilterSize, const int16_t **alpSrc,
uint16_t *dest[4], int dstW, int chrDstW,
int big_endian, int output_bits)
{
//FIXME Optimize (just quickly written not optimized..)
int i;
uint16_t *yDest = dest[0], *uDest = dest[1], *vDest = dest[2],
*aDest = CONFIG_SWSCALE_ALPHA ? dest[3] : NULL;
int shift = 15 + 16 - output_bits - 1;
#define output_pixel(pos, val) \
if (big_endian) { \
AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
} else { \
AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
}
for (i = 0; i < dstW; i++) {
int val = 1 << (30-output_bits - 1);
int j;
for (j = 0; j < lumFilterSize; j++)
val += (lumSrc[j][i] * lumFilter[j]) >> 1;
output_pixel(&yDest[i], val);
}
if (uDest) {
for (i = 0; i < chrDstW; i++) {
int u = 1 << (30-output_bits - 1);
int v = 1 << (30-output_bits - 1);
int j;
for (j = 0; j < chrFilterSize; j++) {
u += (chrUSrc[j][i] * chrFilter[j]) >> 1;
v += (chrVSrc[j][i] * chrFilter[j]) >> 1;
}
output_pixel(&uDest[i], u);
output_pixel(&vDest[i], v);
}
}
if (CONFIG_SWSCALE_ALPHA && aDest) {
for (i = 0; i < dstW; i++) {
int val = 1 << (30-output_bits - 1);
int j;
for (j = 0; j < lumFilterSize; j++)
val += (alpSrc[j][i] * lumFilter[j]) >> 1;
output_pixel(&aDest[i], val);
}
}
#undef output_pixel
}
#define yuv2NBPS(bits, BE_LE, is_be, yuv2yuvX_template_fn, typeX_t) \
static void yuv2yuvX ## bits ## BE_LE ## _c(SwsContext *c, const int16_t *lumFilter, \
const int16_t **_lumSrc, int lumFilterSize, \
const int16_t *chrFilter, const int16_t **_chrUSrc, \
@ -271,21 +323,21 @@ static void yuv2yuvX ## bits ## BE_LE ## _c(SwsContext *c, const int16_t *lumFil
int chrFilterSize, const int16_t **_alpSrc, \
uint8_t *_dest[4], int dstW, int chrDstW) \
{ \
const int32_t **lumSrc = (const int32_t **) _lumSrc, \
**chrUSrc = (const int32_t **) _chrUSrc, \
**chrVSrc = (const int32_t **) _chrVSrc, \
**alpSrc = (const int32_t **) _alpSrc; \
yuv2yuvX16_c_template(lumFilter, lumSrc, lumFilterSize, \
chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
alpSrc, (uint16_t **) _dest, \
dstW, chrDstW, is_be, bits); \
}
yuv2NBPS( 9, BE, 1);
yuv2NBPS( 9, LE, 0);
yuv2NBPS(10, BE, 1);
yuv2NBPS(10, LE, 0);
yuv2NBPS(16, BE, 1);
yuv2NBPS(16, LE, 0);
const typeX_t **lumSrc = (const typeX_t **) _lumSrc, \
**chrUSrc = (const typeX_t **) _chrUSrc, \
**chrVSrc = (const typeX_t **) _chrVSrc, \
**alpSrc = (const typeX_t **) _alpSrc; \
yuv2yuvX_template_fn(lumFilter, lumSrc, lumFilterSize, \
chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
alpSrc, (uint16_t **) _dest, \
dstW, chrDstW, is_be, bits); \
}
yuv2NBPS( 9, BE, 1, yuv2yuvX10_c_template, int16_t);
yuv2NBPS( 9, LE, 0, yuv2yuvX10_c_template, int16_t);
yuv2NBPS(10, BE, 1, yuv2yuvX10_c_template, int16_t);
yuv2NBPS(10, LE, 0, yuv2yuvX10_c_template, int16_t);
yuv2NBPS(16, BE, 1, yuv2yuvX16_c_template, int32_t);
yuv2NBPS(16, LE, 0, yuv2yuvX16_c_template, int32_t);
static void yuv2yuvX_c(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
@ -1880,6 +1932,27 @@ static void hScale16_c(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_s
}
}
static void hScale10_c(SwsContext *c, int16_t *dst, int dstW, const uint8_t *_src,
const int16_t *filter,
const int16_t *filterPos, int filterSize)
{
int i;
const uint16_t *src = (const uint16_t *) _src;
int sh = av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1;
for (i = 0; i < dstW; i++) {
int j;
int srcPos = filterPos[i];
int val = 0;
for (j = 0; j < filterSize; j++) {
val += src[srcPos + j] * filter[filterSize * i + j];
}
// filter=14 bit, input=16 bit, output=30 bit, >> 11 makes 19 bit
dst[i] = FFMIN(val >> sh, (1 << 15) - 1);
}
}
// bilinear / bicubic scaling
static void hScale_c(SwsContext *c, int16_t *dst, int dstW, const uint8_t *src,
const int16_t *filter, const int16_t *filterPos,
@ -2025,7 +2098,7 @@ static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth,
if (convertRange)
convertRange(dst, dstWidth);
if (av_pix_fmt_descriptors[c->dstFormat].comp[0].depth_minus1 < 8 && c->scalingBpp == 16) {
if (av_pix_fmt_descriptors[c->dstFormat].comp[0].depth_minus1 < 10 && c->scalingBpp == 16) {
c->scale19To15Fw(dst, (int32_t *) dst, dstWidth);
}
}
@ -2052,7 +2125,7 @@ static av_always_inline void hcscale(SwsContext *c, int16_t *dst1, int16_t *dst2
uint8_t *formatConvBuffer, uint32_t *pal)
{
if (c->chrToYV12) {
uint8_t *buf2 = formatConvBuffer + FFALIGN(srcW * c->scalingBpp >> 3, 16);
uint8_t *buf2 = formatConvBuffer + FFALIGN(srcW * FFALIGN(c->scalingBpp, 8) >> 3, 16);
c->chrToYV12(formatConvBuffer, buf2, src1, src2, srcW, pal);
src1= formatConvBuffer;
src2= buf2;
@ -2076,7 +2149,7 @@ static av_always_inline void hcscale(SwsContext *c, int16_t *dst1, int16_t *dst2
if (c->chrConvertRange)
c->chrConvertRange(dst1, dst2, dstWidth);
if (av_pix_fmt_descriptors[c->dstFormat].comp[0].depth_minus1 < 8 && c->scalingBpp == 16) {
if (av_pix_fmt_descriptors[c->dstFormat].comp[0].depth_minus1 < 10 && c->scalingBpp == 16) {
c->scale19To15Fw(dst1, (int32_t *) dst1, dstWidth);
c->scale19To15Fw(dst2, (int32_t *) dst2, dstWidth);
}
@ -2735,27 +2808,27 @@ static av_cold void sws_init_swScale_c(SwsContext *c)
}
if (c->scalingBpp == 8) {
c->hScale = hScale_c;
if (c->flags & SWS_FAST_BILINEAR) {
c->hyscale_fast = hyscale_fast_c;
c->hcscale_fast = hcscale_fast_c;
}
if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) {
if (c->srcRange) {
c->lumConvertRange = lumRangeFromJpeg_c;
c->chrConvertRange = chrRangeFromJpeg_c;
} else {
c->lumConvertRange = lumRangeToJpeg_c;
c->chrConvertRange = chrRangeToJpeg_c;
c->hScale = hScale_c;
if (c->flags & SWS_FAST_BILINEAR) {
c->hyscale_fast = hyscale_fast_c;
c->hcscale_fast = hcscale_fast_c;
}
}
} else {
c->hScale = hScale16_c;
c->hScale = c->scalingBpp == 16 ? hScale16_c : hScale10_c;
c->scale19To15Fw = scale19To15Fw_c;
c->scale8To16Rv = scale8To16Rv_c;
}
if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) {
if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) {
if (c->scalingBpp <= 10) {
if (c->srcRange) {
c->lumConvertRange = lumRangeFromJpeg_c;
c->chrConvertRange = chrRangeFromJpeg_c;
} else {
c->lumConvertRange = lumRangeToJpeg_c;
c->chrConvertRange = chrRangeToJpeg_c;
}
} else {
if (c->srcRange) {
c->lumConvertRange = lumRangeFromJpeg16_c;
c->chrConvertRange = chrRangeFromJpeg16_c;

75
libswscale/swscale_internal.h
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@ -64,11 +64,16 @@ typedef int (*SwsFunc)(struct SwsContext *context, const uint8_t* src[],
* without any additional vertical scaling (or point-scaling).
*
* @param c SWS scaling context
* @param lumSrc scaled luma (Y) source data, 15bit for 8bit output
* @param chrUSrc scaled chroma (U) source data, 15bit for 8bit output
* @param chrVSrc scaled chroma (V) source data, 15bit for 8bit output
* @param alpSrc scaled alpha (A) source data, 15bit for 8bit output
* @param dest pointer to the 4 output planes (Y/U/V/A)
* @param lumSrc scaled luma (Y) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrUSrc scaled chroma (U) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrVSrc scaled chroma (V) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param alpSrc scaled alpha (A) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param dest pointer to the 4 output planes (Y/U/V/A). For >8bit
* output, this is in uint16_t
* @param dstW width of dest[0], dest[3], lumSrc and alpSrc in pixels
* @param chrDstW width of dest[1], dest[2], chrUSrc and chrVSrc
*/
@ -82,14 +87,19 @@ typedef void (*yuv2planar1_fn) (struct SwsContext *c,
*
* @param c SWS scaling context
* @param lumFilter vertical luma/alpha scaling coefficients, 12bit [0,4096]
* @param lumSrc scaled luma (Y) source data, 15bit for 8bit output
* @param lumSrc scaled luma (Y) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param lumFilterSize number of vertical luma/alpha input lines to scale
* @param chrFilter vertical chroma scaling coefficients, 12bit [0,4096]
* @param chrUSrc scaled chroma (U) source data, 15bit for 8bit output
* @param chrVSrc scaled chroma (V) source data, 15bit for 8bit output
* @param chrUSrc scaled chroma (U) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrVSrc scaled chroma (V) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrFilterSize number of vertical chroma input lines to scale
* @param alpSrc scaled alpha (A) source data, 15bit for 8bit output
* @param dest pointer to the 4 output planes (Y/U/V/A)
* @param alpSrc scaled alpha (A) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param dest pointer to the 4 output planes (Y/U/V/A). For >8bit
* output, this is in uint16_t
* @param dstW width of dest[0], dest[3], lumSrc and alpSrc in pixels
* @param chrDstW width of dest[1], dest[2], chrUSrc and chrVSrc
*/
@ -105,11 +115,16 @@ typedef void (*yuv2planarX_fn) (struct SwsContext *c, const int16_t *lumFilter,
* that this function may do chroma scaling, see the "uvalpha" argument.
*
* @param c SWS scaling context
* @param lumSrc scaled luma (Y) source data, 15bit for 8bit output
* @param chrUSrc scaled chroma (U) source data, 15bit for 8bit output
* @param chrVSrc scaled chroma (V) source data, 15bit for 8bit output
* @param alpSrc scaled alpha (A) source data, 15bit for 8bit output
* @param dest pointer to the output plane
* @param lumSrc scaled luma (Y) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrUSrc scaled chroma (U) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrVSrc scaled chroma (V) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param alpSrc scaled alpha (A) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param dest pointer to the output plane. For 16bit output, this is
* uint16_t
* @param dstW width of lumSrc and alpSrc in pixels, number of pixels
* to write into dest[]
* @param uvalpha chroma scaling coefficient for the second line of chroma
@ -132,11 +147,16 @@ typedef void (*yuv2packed1_fn) (struct SwsContext *c, const int16_t *lumSrc,
* output by doing bilinear scaling between two input lines.
*
* @param c SWS scaling context
* @param lumSrc scaled luma (Y) source data, 15bit for 8bit output
* @param chrUSrc scaled chroma (U) source data, 15bit for 8bit output
* @param chrVSrc scaled chroma (V) source data, 15bit for 8bit output
* @param alpSrc scaled alpha (A) source data, 15bit for 8bit output
* @param dest pointer to the output plane
* @param lumSrc scaled luma (Y) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrUSrc scaled chroma (U) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrVSrc scaled chroma (V) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param alpSrc scaled alpha (A) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param dest pointer to the output plane. For 16bit output, this is
* uint16_t
* @param dstW width of lumSrc and alpSrc in pixels, number of pixels
* to write into dest[]
* @param yalpha luma/alpha scaling coefficients for the second input line.
@ -160,14 +180,19 @@ typedef void (*yuv2packed2_fn) (struct SwsContext *c, const int16_t *lumSrc[2],
*
* @param c SWS scaling context
* @param lumFilter vertical luma/alpha scaling coefficients, 12bit [0,4096]
* @param lumSrc scaled luma (Y) source data, 15bit for 8bit output
* @param lumSrc scaled luma (Y) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param lumFilterSize number of vertical luma/alpha input lines to scale
* @param chrFilter vertical chroma scaling coefficients, 12bit [0,4096]
* @param chrUSrc scaled chroma (U) source data, 15bit for 8bit output
* @param chrVSrc scaled chroma (V) source data, 15bit for 8bit output
* @param chrUSrc scaled chroma (U) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrVSrc scaled chroma (V) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param chrFilterSize number of vertical chroma input lines to scale
* @param alpSrc scaled alpha (A) source data, 15bit for 8bit output
* @param dest pointer to the output plane
* @param alpSrc scaled alpha (A) source data, 15bit for 8-10bit output,
* 19-bit for 16bit output (in int32_t)
* @param dest pointer to the output plane. For 16bit output, this is
* uint16_t
* @param dstW width of lumSrc and alpSrc in pixels, number of pixels
* to write into dest[]
* @param y vertical line number for this output. This does not need

12
libswscale/utils.c
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@ -896,11 +896,15 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
}
}
c->scalingBpp = FFMAX(av_pix_fmt_descriptors[srcFormat].comp[0].depth_minus1,
av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1) >= 8 ? 16 : 8;
c->scalingBpp = 1 + FFMAX(av_pix_fmt_descriptors[srcFormat].comp[0].depth_minus1,
av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1);
if (c->scalingBpp <= 8)
c->scalingBpp = 8;
if (c->scalingBpp == 16)
dst_stride <<= 1;
FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW, 16) * 2 * c->scalingBpp >> 3, fail);
FF_ALLOC_OR_GOTO(c, c->formatConvBuffer,
FFALIGN(srcW, 16) * 2 * FFALIGN(c->scalingBpp, 8) >> 3,
fail);
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2 && c->scalingBpp == 8) {
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) {
@ -1055,7 +1059,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
c->lumPixBuf[i] = c->lumPixBuf[i+c->vLumBufSize];
}
// 64 / c->scalingBpp is the same as 16 / sizeof(scaling_intermediate)
c->uv_off_px = dst_stride_px + 64 / c->scalingBpp;
c->uv_off_px = dst_stride_px + 64 / (c->scalingBpp &~ 7);
c->uv_off_byte = dst_stride + 16;
for (i=0; i<c->vChrBufSize; i++) {
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i+c->vChrBufSize], dst_stride*2+32, fail);

4
tests/ref/lavfi/pixdesc
Unescape View File

@ -38,8 +38,8 @@ yuv420p16le 2d59c4f1d0314a5a957a7cfc4b6fabcc
yuv420p9be ce880fa07830e5297c22acf6e20555ce
yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
yuv422p c9bba4529821d796a6ab09f6a5fd355a
yuv422p10be 107c6e31a3d4d598bca1d8426aaa54f5
yuv422p10le 3f478be644add24b6cc77e718a6e2afa
yuv422p10be a4a83d0811280eff7405d94a7de21596
yuv422p10le 23717b6c73a59912c605f27877ae2fb6
yuv422p16be dc9886f2fccf87cc54b27e071a2c251e
yuv422p16le f181c8d8436f1233ba566d9bc88005ec
yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf

4
tests/ref/lavfi/pixfmts_copy
Unescape View File

@ -38,8 +38,8 @@ yuv420p16le 2d59c4f1d0314a5a957a7cfc4b6fabcc
yuv420p9be ce880fa07830e5297c22acf6e20555ce
yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
yuv422p c9bba4529821d796a6ab09f6a5fd355a
yuv422p10be 107c6e31a3d4d598bca1d8426aaa54f5
yuv422p10le 3f478be644add24b6cc77e718a6e2afa
yuv422p10be a4a83d0811280eff7405d94a7de21596
yuv422p10le 23717b6c73a59912c605f27877ae2fb6
yuv422p16be dc9886f2fccf87cc54b27e071a2c251e
yuv422p16le f181c8d8436f1233ba566d9bc88005ec
yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf

4
tests/ref/lavfi/pixfmts_null
Unescape View File

@ -38,8 +38,8 @@ yuv420p16le 2d59c4f1d0314a5a957a7cfc4b6fabcc
yuv420p9be ce880fa07830e5297c22acf6e20555ce
yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
yuv422p c9bba4529821d796a6ab09f6a5fd355a
yuv422p10be 107c6e31a3d4d598bca1d8426aaa54f5
yuv422p10le 3f478be644add24b6cc77e718a6e2afa
yuv422p10be a4a83d0811280eff7405d94a7de21596
yuv422p10le 23717b6c73a59912c605f27877ae2fb6
yuv422p16be dc9886f2fccf87cc54b27e071a2c251e
yuv422p16le f181c8d8436f1233ba566d9bc88005ec
yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf

12
tests/ref/lavfi/pixfmts_scale
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@ -31,15 +31,15 @@ uyvy422 314bd486277111a95d9369b944fa0400
yuv410p 7df8f6d69b56a8dcb6c7ee908e5018b5
yuv411p 1143e7c5cc28fe0922b051b17733bc4c
yuv420p fdad2d8df8985e3d17e73c71f713cb14
yuv420p10be af5429f27b9f95bf955e795921c65cdc
yuv420p10le d0b47e6a8a44e6b5ca0fe4349a4e393b
yuv420p10be 04663d400e44692fe8a622a067f838da
yuv420p10le 6171850f66df7a727b4bed1c87ef9188
yuv420p16be 9688e33e03b8c8275ab2fb1df0f06bee
yuv420p16le cba8b390ad5e7b8678e419b8ce79c008
yuv420p9be a073b2d93b2a7dce2069ba252bc43175
yuv420p9le b67233c3c7d93763d07d88f697c145e1
yuv420p9be ab163dfef03c4d563aca99b24276b9fd
yuv420p9le cd56c5a76ce74e504dd59d25a5e4389c
yuv422p 918e37701ee7377d16a8a6c119c56a40
yuv422p10be 533fd21e7943c20a1026b19069b3b867
yuv422p10le 59b20a4a8609f5da2dc54c78aea11e6c
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4
tests/ref/lavfi/pixfmts_vflip
Unescape View File

@ -38,8 +38,8 @@ yuv420p16le 0f609e588e5a258644ef85170d70e030
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