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sws: fix planar RGB input conversions for 9/10/16 bpp. 

Fixes bug 282.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Ronald S. Bultje 2012-05-12 07:21:32 -07:00 committed by Anton Khirnov
parent 65a80ee1ec
commit 404410a53a
1 changed files with 106 additions and 50 deletions
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156
libswscale/input.c
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@ -553,34 +553,6 @@ static void planar_rgb_to_y(uint8_t *dst, const uint8_t *src[4], int width)
}
}
static void planar_rgb16le_to_y(uint8_t *_dst, const uint8_t *_src[4], int width)
{
int i;
const uint16_t **src = (const uint16_t **)_src;
uint16_t *dst = (uint16_t *)_dst;
for (i = 0; i < width; i++) {
int g = AV_RL16(src[0] + i);
int b = AV_RL16(src[1] + i);
int r = AV_RL16(src[2] + i);
dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
}
}
static void planar_rgb16be_to_y(uint8_t *_dst, const uint8_t *_src[4], int width)
{
int i;
const uint16_t **src = (const uint16_t **)_src;
uint16_t *dst = (uint16_t *)_dst;
for (i = 0; i < width; i++) {
int g = AV_RB16(src[0] + i);
int b = AV_RB16(src[1] + i);
int r = AV_RB16(src[2] + i);
dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
}
}
static void planar_rgb_to_uv(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4], int width)
{
int i;
@ -589,43 +561,111 @@ static void planar_rgb_to_uv(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4]
int b = src[1][i];
int r = src[2][i];
dstU[i] = (RU * r + GU * g + BU * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
dstV[i] = (RV * r + GV * g + BV * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
}
}
static void planar_rgb16le_to_uv(uint8_t *_dstU, uint8_t *_dstV,
const uint8_t *_src[4], int width)
#define rdpx(src) \
is_be ? AV_RB16(src) : AV_RL16(src)
static av_always_inline void planar_rgb16_to_y(uint8_t *_dst, const uint8_t *_src[4],
int width, int bpc, int is_be)
{
int i;
const uint16_t **src = (const uint16_t **)_src;
uint16_t *dst = (uint16_t *)_dst;
for (i = 0; i < width; i++) {
int g = rdpx(src[0] + i);
int b = rdpx(src[1] + i);
int r = rdpx(src[2] + i);
dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT);
}
}
static void planar_rgb9le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
{
planar_rgb16_to_y(dst, src, w, 9, 0);
}
static void planar_rgb9be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
{
planar_rgb16_to_y(dst, src, w, 9, 1);
}
static void planar_rgb10le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
{
planar_rgb16_to_y(dst, src, w, 10, 0);
}
static void planar_rgb10be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
{
planar_rgb16_to_y(dst, src, w, 10, 1);
}
static void planar_rgb16le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
{
planar_rgb16_to_y(dst, src, w, 16, 0);
}
static void planar_rgb16be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
{
planar_rgb16_to_y(dst, src, w, 16, 1);
}
static av_always_inline void planar_rgb16_to_uv(uint8_t *_dstU, uint8_t *_dstV,
const uint8_t *_src[4], int width,
int bpc, int is_be)
{
int i;
const uint16_t **src = (const uint16_t **)_src;
uint16_t *dstU = (uint16_t *)_dstU;
uint16_t *dstV = (uint16_t *)_dstV;
for (i = 0; i < width; i++) {
int g = AV_RL16(src[0] + i);
int b = AV_RL16(src[1] + i);
int r = AV_RL16(src[2] + i);
int g = rdpx(src[0] + i);
int b = rdpx(src[1] + i);
int r = rdpx(src[2] + i);
dstU[i] = (RU * r + GU * g + BU * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
dstV[i] = (RV * r + GV * g + BV * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT;
dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT;
}
}
#undef rdpx
static void planar_rgb16be_to_uv(uint8_t *_dstU, uint8_t *_dstV,
const uint8_t *_src[4], int width)
static void planar_rgb9le_to_uv(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src[4], int w)
{
int i;
const uint16_t **src = (const uint16_t **)_src;
uint16_t *dstU = (uint16_t *)_dstU;
uint16_t *dstV = (uint16_t *)_dstV;
for (i = 0; i < width; i++) {
int g = AV_RB16(src[0] + i);
int b = AV_RB16(src[1] + i);
int r = AV_RB16(src[2] + i);
planar_rgb16_to_uv(dstU, dstV, src, w, 9, 0);
}
dstU[i] = (RU * r + GU * g + BU * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
dstV[i] = (RV * r + GV * g + BV * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
}
static void planar_rgb9be_to_uv(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src[4], int w)
{
planar_rgb16_to_uv(dstU, dstV, src, w, 9, 1);
}
static void planar_rgb10le_to_uv(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src[4], int w)
{
planar_rgb16_to_uv(dstU, dstV, src, w, 10, 0);
}
static void planar_rgb10be_to_uv(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src[4], int w)
{
planar_rgb16_to_uv(dstU, dstV, src, w, 10, 1);
}
static void planar_rgb16le_to_uv(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src[4], int w)
{
planar_rgb16_to_uv(dstU, dstV, src, w, 16, 0);
}
static void planar_rgb16be_to_uv(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src[4], int w)
{
planar_rgb16_to_uv(dstU, dstV, src, w, 16, 1);
}
av_cold void ff_sws_init_input_funcs(SwsContext *c)
@ -654,12 +694,20 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
c->chrToYV12 = palToUV_c;
break;
case PIX_FMT_GBRP9LE:
c->readChrPlanar = planar_rgb9le_to_uv;
break;
case PIX_FMT_GBRP10LE:
c->readChrPlanar = planar_rgb10le_to_uv;
break;
case PIX_FMT_GBRP16LE:
c->readChrPlanar = planar_rgb16le_to_uv;
break;
case PIX_FMT_GBRP9BE:
c->readChrPlanar = planar_rgb9be_to_uv;
break;
case PIX_FMT_GBRP10BE:
c->readChrPlanar = planar_rgb10be_to_uv;
break;
case PIX_FMT_GBRP16BE:
c->readChrPlanar = planar_rgb16be_to_uv;
break;
@ -836,12 +884,20 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
c->alpToYV12 = NULL;
switch (srcFormat) {
case PIX_FMT_GBRP9LE:
c->readLumPlanar = planar_rgb9le_to_y;
break;
case PIX_FMT_GBRP10LE:
c->readLumPlanar = planar_rgb10le_to_y;
break;
case PIX_FMT_GBRP16LE:
c->readLumPlanar = planar_rgb16le_to_y;
break;
case PIX_FMT_GBRP9BE:
c->readLumPlanar = planar_rgb9be_to_y;
break;
case PIX_FMT_GBRP10BE:
c->readLumPlanar = planar_rgb10be_to_y;
break;
case PIX_FMT_GBRP16BE:
c->readLumPlanar = planar_rgb16be_to_y;
break;