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Support RGBA64 as input colour space. 

Mostly fixes ticket #503,
opaque still overflows for RGBA64 -> RGBA conversion.
This commit is contained in:
Carl Eugen Hoyos 2012-03-04 00:43:18 +01:00
parent d33a091cb3
commit f972193a15
2 changed files with 99 additions and 2 deletions
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97
libswscale/input.c
View File

@ -51,6 +51,86 @@
#define r ((origin == PIX_FMT_BGR48BE || origin == PIX_FMT_BGR48LE) ? b_r : r_b)
#define b ((origin == PIX_FMT_BGR48BE || origin == PIX_FMT_BGR48LE) ? r_b : b_r)
static av_always_inline void
rgb64ToY_c_template(uint16_t *dst, const uint16_t *src, int width,
enum PixelFormat origin)
{
int i;
for (i = 0; i < width; i++) {
unsigned int r_b = input_pixel(&src[i*4+0]);
unsigned int g = input_pixel(&src[i*4+1]);
unsigned int b_r = input_pixel(&src[i*4+2]);
dst[i] = (RY*r + GY*g + BY*b + (0x2001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
}
}
static av_always_inline void
rgb64ToUV_c_template(uint16_t *dstU, uint16_t *dstV,
const uint16_t *src1, const uint16_t *src2,
int width, enum PixelFormat origin)
{
int i;
assert(src1==src2);
for (i = 0; i < width; i++) {
int r_b = input_pixel(&src1[i*4+0]);
int g = input_pixel(&src1[i*4+1]);
int b_r = input_pixel(&src1[i*4+2]);
dstU[i] = (RU*r + GU*g + BU*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
dstV[i] = (RV*r + GV*g + BV*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
}
}
static av_always_inline void
rgb64ToUV_half_c_template(uint16_t *dstU, uint16_t *dstV,
const uint16_t *src1, const uint16_t *src2,
int width, enum PixelFormat origin)
{
int i;
assert(src1==src2);
for (i = 0; i < width; i++) {
int r_b = (input_pixel(&src1[8 * i + 0]) + input_pixel(&src1[8 * i + 4]) + 1) >> 1;
int g = (input_pixel(&src1[8 * i + 1]) + input_pixel(&src1[8 * i + 5]) + 1) >> 1;
int b_r = (input_pixel(&src1[8 * i + 2]) + input_pixel(&src1[8 * i + 6]) + 1) >> 1;
dstU[i]= (RU*r + GU*g + BU*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
dstV[i]= (RV*r + GV*g + BV*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
}
}
#define rgb64funcs(pattern, BE_LE, origin) \
static void pattern ## 64 ## BE_LE ## ToY_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused0, const uint8_t *unused1,\
int width, uint32_t *unused) \
{ \
const uint16_t *src = (const uint16_t *) _src; \
uint16_t *dst = (uint16_t *) _dst; \
rgb64ToY_c_template(dst, src, width, origin); \
} \
\
static void pattern ## 64 ## BE_LE ## ToUV_c(uint8_t *_dstU, uint8_t *_dstV, \
const uint8_t *unused0, const uint8_t *_src1, const uint8_t *_src2, \
int width, uint32_t *unused) \
{ \
const uint16_t *src1 = (const uint16_t *) _src1, \
*src2 = (const uint16_t *) _src2; \
uint16_t *dstU = (uint16_t *) _dstU, *dstV = (uint16_t *) _dstV; \
rgb64ToUV_c_template(dstU, dstV, src1, src2, width, origin); \
} \
\
static void pattern ## 64 ## BE_LE ## ToUV_half_c(uint8_t *_dstU, uint8_t *_dstV, \
const uint8_t *unused0, const uint8_t *_src1, const uint8_t *_src2, \
int width, uint32_t *unused) \
{ \
const uint16_t *src1 = (const uint16_t *) _src1, \
*src2 = (const uint16_t *) _src2; \
uint16_t *dstU = (uint16_t *) _dstU, *dstV = (uint16_t *) _dstV; \
rgb64ToUV_half_c_template(dstU, dstV, src1, src2, width, origin); \
}
rgb64funcs(rgb, LE, PIX_FMT_RGBA64LE)
rgb64funcs(rgb, BE, PIX_FMT_RGBA64BE)
static av_always_inline void
rgb48ToY_c_template(uint16_t *dst, const uint16_t *src, int width,
enum PixelFormat origin)
@ -283,6 +363,15 @@ static void gbr24pToUV_half_c(uint16_t *dstU, uint16_t *dstV,
}
}
static void rgba64ToA_c(int16_t *dst, const uint16_t *src, const uint8_t *unused1,
const uint8_t *unused2, int width, uint32_t *unused)
{
int i;
for (i=0; i<width; i++) {
dst[i]= src[4*i+3];
}
}
static void abgrToA_c(int16_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused)
{
int i;
@ -669,6 +758,8 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
}
if (c->chrSrcHSubSample) {
switch(srcFormat) {
case PIX_FMT_RGBA64BE: c->chrToYV12 = rgb64BEToUV_half_c; break;
case PIX_FMT_RGBA64LE: c->chrToYV12 = rgb64LEToUV_half_c; break;
case PIX_FMT_RGB48BE : c->chrToYV12 = rgb48BEToUV_half_c; break;
case PIX_FMT_RGB48LE : c->chrToYV12 = rgb48LEToUV_half_c; break;
case PIX_FMT_BGR48BE : c->chrToYV12 = bgr48BEToUV_half_c; break;
@ -695,6 +786,8 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
}
} else {
switch(srcFormat) {
case PIX_FMT_RGBA64BE: c->chrToYV12 = rgb64BEToUV_c; break;
case PIX_FMT_RGBA64LE: c->chrToYV12 = rgb64LEToUV_c; break;
case PIX_FMT_RGB48BE : c->chrToYV12 = rgb48BEToUV_c; break;
case PIX_FMT_RGB48LE : c->chrToYV12 = rgb48LEToUV_c; break;
case PIX_FMT_BGR48BE : c->chrToYV12 = bgr48BEToUV_c; break;
@ -785,9 +878,13 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case PIX_FMT_RGB48LE: c->lumToYV12 = rgb48LEToY_c; break;
case PIX_FMT_BGR48BE: c->lumToYV12 = bgr48BEToY_c; break;
case PIX_FMT_BGR48LE: c->lumToYV12 = bgr48LEToY_c; break;
case PIX_FMT_RGBA64BE:c->lumToYV12 = rgb64BEToY_c; break;
case PIX_FMT_RGBA64LE:c->lumToYV12 = rgb64LEToY_c; break;
}
if (c->alpPixBuf) {
switch (srcFormat) {
case PIX_FMT_RGBA64LE:
case PIX_FMT_RGBA64BE: c->alpToYV12 = rgba64ToA_c; break;
case PIX_FMT_BGRA:
case PIX_FMT_RGBA: c->alpToYV12 = rgbaToA_c; break;
case PIX_FMT_ABGR:

4
libswscale/utils.c
View File

@ -114,8 +114,8 @@ static const FormatEntry format_entries[PIX_FMT_NB] = {
[PIX_FMT_YUVA444P] = { 1 , 1 },
[PIX_FMT_RGB48BE] = { 1 , 1 },
[PIX_FMT_RGB48LE] = { 1 , 1 },
[PIX_FMT_RGBA64BE] = { 0 , 0 },
[PIX_FMT_RGBA64LE] = { 0 , 0 },
[PIX_FMT_RGBA64BE] = { 1 , 0 },
[PIX_FMT_RGBA64LE] = { 1 , 0 },
[PIX_FMT_RGB565BE] = { 1 , 1 },
[PIX_FMT_RGB565LE] = { 1 , 1 },
[PIX_FMT_RGB555BE] = { 1 , 1 },