[FFmpeg-devel] [PATCH v3 3/3] swscale/input: add input support for RGBF16
Martin Schitter
ms+git at mur.at
Mon Oct 14 09:16:46 EEST 2024
---
libswscale/input.c | 101 ++++++++++++++++++++++++++++++++++++++++++-
libswscale/utils.c | 2 +
libswscale/version.h | 2 +-
3 files changed, 103 insertions(+), 2 deletions(-)
diff --git a/libswscale/input.c b/libswscale/input.c
index e2af1d5..9beb72b 100644
--- a/libswscale/input.c
+++ b/libswscale/input.c
@@ -1369,6 +1369,57 @@ static av_always_inline void rgbaf16ToA_endian(uint16_t *dst, const uint16_t *sr
}
}
+static av_always_inline void rgbf16ToUV_half_endian(uint16_t *dstU, uint16_t *dstV, int is_be,
+ const uint16_t *src, int width,
+ int32_t *rgb2yuv, Half2FloatTables *h2f_tbl)
+{
+ int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
+ int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];
+ int i;
+ for (i = 0; i < width; i++) {
+ int r = (lrintf(av_clipf(65535.0f * rdpx(src[i*6+0]), 0.0f, 65535.0f)) +
+ lrintf(av_clipf(65535.0f * rdpx(src[i*6+3]), 0.0f, 65535.0f))) >> 1;
+ int g = (lrintf(av_clipf(65535.0f * rdpx(src[i*6+1]), 0.0f, 65535.0f)) +
+ lrintf(av_clipf(65535.0f * rdpx(src[i*6+4]), 0.0f, 65535.0f))) >> 1;
+ int b = (lrintf(av_clipf(65535.0f * rdpx(src[i*6+2]), 0.0f, 65535.0f)) +
+ lrintf(av_clipf(65535.0f * rdpx(src[i*6+5]), 0.0f, 65535.0f))) >> 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;
+ }
+}
+
+static av_always_inline void rgbf16ToUV_endian(uint16_t *dstU, uint16_t *dstV, int is_be,
+ const uint16_t *src, int width,
+ int32_t *rgb2yuv, Half2FloatTables *h2f_tbl)
+{
+ int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
+ int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];
+ int i;
+ for (i = 0; i < width; i++) {
+ int r = lrintf(av_clipf(65535.0f * rdpx(src[i*3+0]), 0.0f, 65535.0f));
+ int g = lrintf(av_clipf(65535.0f * rdpx(src[i*3+1]), 0.0f, 65535.0f));
+ int b = lrintf(av_clipf(65535.0f * rdpx(src[i*3+2]), 0.0f, 65535.0f));
+
+ 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 rgbf16ToY_endian(uint16_t *dst, const uint16_t *src, int is_be,
+ int width, int32_t *rgb2yuv, Half2FloatTables *h2f_tbl)
+{
+ int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];
+ int i;
+ for (i = 0; i < width; i++) {
+ int r = lrintf(av_clipf(65535.0f * rdpx(src[i*3+0]), 0.0f, 65535.0f));
+ int g = lrintf(av_clipf(65535.0f * rdpx(src[i*3+1]), 0.0f, 65535.0f));
+ int b = lrintf(av_clipf(65535.0f * rdpx(src[i*3+2]), 0.0f, 65535.0f));
+
+ dst[i] = (ry*r + gy*g + by*b + (0x2001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+ }
+}
+
#undef rdpx
#define rgbaf16_funcs_endian(endian_name, endian) \
@@ -1408,7 +1459,37 @@ static void rgbaf16##endian_name##ToA_c(uint8_t *_dst, const uint8_t *_src, cons
const uint16_t *src = (const uint16_t*)_src; \
uint16_t *dst = (uint16_t*)_dst; \
rgbaf16ToA_endian(dst, src, endian, width, opq); \
-}
+} \
+static void rgbf16##endian_name##ToUV_half_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused, \
+ const uint8_t *src1, const uint8_t *src2, \
+ int width, uint32_t *_rgb2yuv, void *opq) \
+{ \
+ const uint16_t *src = (const uint16_t*)src1; \
+ uint16_t *dstU = (uint16_t*)_dstU; \
+ uint16_t *dstV = (uint16_t*)_dstV; \
+ int32_t *rgb2yuv = (int32_t*)_rgb2yuv; \
+ av_assert1(src1==src2); \
+ rgbf16ToUV_half_endian(dstU, dstV, endian, src, width, rgb2yuv, opq); \
+} \
+static void rgbf16##endian_name##ToUV_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused, \
+ const uint8_t *src1, const uint8_t *src2, \
+ int width, uint32_t *_rgb2yuv, void *opq) \
+{ \
+ const uint16_t *src = (const uint16_t*)src1; \
+ uint16_t *dstU = (uint16_t*)_dstU; \
+ uint16_t *dstV = (uint16_t*)_dstV; \
+ int32_t *rgb2yuv = (int32_t*)_rgb2yuv; \
+ av_assert1(src1==src2); \
+ rgbf16ToUV_endian(dstU, dstV, endian, src, width, rgb2yuv, opq); \
+} \
+static void rgbf16##endian_name##ToY_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused0, \
+ const uint8_t *unused1, int width, uint32_t *_rgb2yuv, void *opq) \
+{ \
+ const uint16_t *src = (const uint16_t*)_src; \
+ uint16_t *dst = (uint16_t*)_dst; \
+ int32_t *rgb2yuv = (int32_t*)_rgb2yuv; \
+ rgbf16ToY_endian(dst, src, endian, width, rgb2yuv, opq); \
+} \
rgbaf16_funcs_endian(le, 0)
rgbaf16_funcs_endian(be, 1)
@@ -1729,6 +1810,12 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c,
case AV_PIX_FMT_RGBAF16LE:
*chrToYV12 = rgbaf16leToUV_half_c;
break;
+ case AV_PIX_FMT_RGBF16BE:
+ *chrToYV12 = rgbf16beToUV_half_c;
+ break;
+ case AV_PIX_FMT_RGBF16LE:
+ *chrToYV12 = rgbf16leToUV_half_c;
+ break;
}
} else {
switch (srcFormat) {
@@ -1822,6 +1909,12 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c,
case AV_PIX_FMT_RGBAF16LE:
*chrToYV12 = rgbaf16leToUV_c;
break;
+ case AV_PIX_FMT_RGBF16BE:
+ *chrToYV12 = rgbf16beToUV_c;
+ break;
+ case AV_PIX_FMT_RGBF16LE:
+ *chrToYV12 = rgbf16leToUV_c;
+ break;
}
}
@@ -2150,6 +2243,12 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c,
case AV_PIX_FMT_RGBAF16LE:
*lumToYV12 = rgbaf16leToY_c;
break;
+ case AV_PIX_FMT_RGBF16BE:
+ *lumToYV12 = rgbf16beToY_c;
+ break;
+ case AV_PIX_FMT_RGBF16LE:
+ *lumToYV12 = rgbf16leToY_c;
+ break;
case AV_PIX_FMT_RGBF32LE:
*lumToYV12 = rgbf32le_to_y_c;
break;
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 3ed65a1..992d7f0 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -266,6 +266,8 @@ static const FormatEntry format_entries[] = {
[AV_PIX_FMT_VUYX] = { 1, 1 },
[AV_PIX_FMT_RGBAF16BE] = { 1, 0 },
[AV_PIX_FMT_RGBAF16LE] = { 1, 0 },
+ [AV_PIX_FMT_RGBF16BE] = { 1, 0 },
+ [AV_PIX_FMT_RGBF16LE] = { 1, 0 },
[AV_PIX_FMT_RGBF32BE] = { 1, 0 },
[AV_PIX_FMT_RGBF32LE] = { 1, 0 },
[AV_PIX_FMT_XV30LE] = { 1, 1 },
diff --git a/libswscale/version.h b/libswscale/version.h
index c13db31..f573bef 100644
--- a/libswscale/version.h
+++ b/libswscale/version.h
@@ -28,7 +28,7 @@
#include "version_major.h"
-#define LIBSWSCALE_VERSION_MINOR 5
+#define LIBSWSCALE_VERSION_MINOR 6
#define LIBSWSCALE_VERSION_MICRO 100
#define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
--
2.45.2
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