avformat/avio: Add Metacube support

[ffmpeg] / libswscale / swscale_internal.h

diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 0f51df95d7520bf941853e9c01273b3a459c052a..a1de95cee0089eb517176e8b155faa475dcd96d1 100644 (file)
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -29,6 +29,7 @@
 #include "libavutil/common.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/log.h"
+#include "libavutil/mem_internal.h"
 #include "libavutil/pixfmt.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/ppc/util_altivec.h"
@@ -119,7 +120,8 @@ typedef void (*yuv2planarX_fn)(const int16_t *filter, int filterSize,
  * Write one line of horizontally scaled chroma to interleaved output
  * with multi-point vertical scaling between input pixels.
  *
- * @param c             SWS scaling context
+ * @param dstFormat     destination pixel format
+ * @param chrDither     ordered dither array of type uint8_t and size 8
  * @param chrFilter     vertical chroma scaling coefficients, 12 bits [0,4096]
  * @param chrUSrc       scaled chroma (U) source data, 15 bits for 8-10-bit
  *                      output, 19 bits for 16-bit output (in int32_t)
@@ -130,7 +132,8 @@ typedef void (*yuv2planarX_fn)(const int16_t *filter, int filterSize,
  *                      output, this is in uint16_t
  * @param dstW          width of chroma planes
  */
-typedef void (*yuv2interleavedX_fn)(struct SwsContext *c,
+typedef void (*yuv2interleavedX_fn)(enum AVPixelFormat dstFormat,
+                                    const uint8_t *chrDither,
                                     const int16_t *chrFilter,
                                     int chrFilterSize,
                                     const int16_t **chrUSrc,
@@ -336,6 +339,8 @@ typedef struct SwsContext {
     uint32_t pal_yuv[256];
     uint32_t pal_rgb[256];
 
+    float uint2float_lut[256];
+
     /**
      * @name Scaled horizontal lines ring buffer.
      * The horizontal scaler keeps just enough scaled lines in a ring buffer
@@ -348,8 +353,6 @@ typedef struct SwsContext {
     //@{
     int lastInLumBuf;             ///< Last scaled horizontal luma/alpha line from source in the ring buffer.
     int lastInChrBuf;             ///< Last scaled horizontal chroma     line from source in the ring buffer.
-    int lumBufIndex;              ///< Index in ring buffer of the last scaled horizontal luma/alpha line from source.
-    int chrBufIndex;              ///< Index in ring buffer of the last scaled horizontal chroma     line from source.
     //@}
 
     uint8_t *formatConvBuffer;
@@ -633,8 +636,7 @@ int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
 void ff_yuv2rgb_init_tables_ppc(SwsContext *c, const int inv_table[4],
                                 int brightness, int contrast, int saturation);
 
-void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
-                           int lastInLumBuf, int lastInChrBuf);
+void ff_updateMMXDitherTables(SwsContext *c, int dstY);
 
 av_cold void ff_sws_init_range_convert(SwsContext *c);
 
@@ -648,6 +650,13 @@ static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
     return desc->comp[0].depth == 16;
 }
 
+static av_always_inline int is32BPS(enum AVPixelFormat pix_fmt)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+    av_assert0(desc);
+    return desc->comp[0].depth == 32;
+}
+
 static av_always_inline int isNBPS(enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -676,6 +685,17 @@ static av_always_inline int isPlanarYUV(enum AVPixelFormat pix_fmt)
     return ((desc->flags & AV_PIX_FMT_FLAG_PLANAR) && isYUV(pix_fmt));
 }
 
+/*
+ * Identity semi-planar YUV formats. Specifically, those are YUV formats
+ * where the second and third components (U & V) are on the same plane.
+ */
+static av_always_inline int isSemiPlanarYUV(enum AVPixelFormat pix_fmt)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+    av_assert0(desc);
+    return (isPlanarYUV(pix_fmt) && desc->comp[1].plane == desc->comp[2].plane);
+}
+
 static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -745,6 +765,13 @@ static av_always_inline int isBayer(enum AVPixelFormat pix_fmt)
     return !!(desc->flags & AV_PIX_FMT_FLAG_BAYER);
 }
 
+static av_always_inline int isBayer16BPS(enum AVPixelFormat pix_fmt)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+    av_assert0(desc);
+    return desc->comp[1].depth == 8;
+}
+
 static av_always_inline int isAnyRGB(enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -753,6 +780,13 @@ static av_always_inline int isAnyRGB(enum AVPixelFormat pix_fmt)
             pix_fmt == AV_PIX_FMT_MONOBLACK || pix_fmt == AV_PIX_FMT_MONOWHITE;
 }
 
+static av_always_inline int isFloat(enum AVPixelFormat pix_fmt)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+    av_assert0(desc);
+    return desc->flags & AV_PIX_FMT_FLAG_FLOAT;
+}
+
 static av_always_inline int isALPHA(enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -795,9 +829,17 @@ static av_always_inline int isPlanarRGB(enum AVPixelFormat pix_fmt)
 
 static av_always_inline int usePal(enum AVPixelFormat pix_fmt)
 {
-    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
-    av_assert0(desc);
-    return (desc->flags & AV_PIX_FMT_FLAG_PAL) || (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL);
+    switch (pix_fmt) {
+    case AV_PIX_FMT_PAL8:
+    case AV_PIX_FMT_BGR4_BYTE:
+    case AV_PIX_FMT_BGR8:
+    case AV_PIX_FMT_GRAY8:
+    case AV_PIX_FMT_RGB4_BYTE:
+    case AV_PIX_FMT_RGB8:
+        return 1;
+    default:
+        return 0;
+    }
 }
 
 extern const uint64_t ff_dither4[2];
@@ -840,6 +882,7 @@ void ff_sws_init_output_funcs(SwsContext *c,
                               yuv2packedX_fn *yuv2packedX,
                               yuv2anyX_fn *yuv2anyX);
 void ff_sws_init_swscale_ppc(SwsContext *c);
+void ff_sws_init_swscale_vsx(SwsContext *c);
 void ff_sws_init_swscale_x86(SwsContext *c);
 void ff_sws_init_swscale_aarch64(SwsContext *c);
 void ff_sws_init_swscale_arm(SwsContext *c);
@@ -892,8 +935,37 @@ static inline void fillPlane16(uint8_t *plane, int stride, int width, int height
         }
         ptr += stride;
     }
+#undef FILL
+}
+
+static inline void fillPlane32(uint8_t *plane, int stride, int width, int height, int y,
+                               int alpha, int bits, const int big_endian, int is_float)
+{
+    int i, j;
+    uint8_t *ptr = plane + stride * y;
+    uint32_t v;
+    uint32_t onef32 = 0x3f800000;
+    if (is_float)
+        v = alpha ? onef32 : 0;
+    else
+        v = alpha ? 0xFFFFFFFF>>(32-bits) : (1<<(bits-1));
+
+    for (i = 0; i < height; i++) {
+#define FILL(wfunc) \
+        for (j = 0; j < width; j++) {\
+            wfunc(ptr+4*j, v);\
+        }
+        if (big_endian) {
+            FILL(AV_WB32);
+        } else {
+            FILL(AV_WL32);
+        }
+        ptr += stride;
+    }
+#undef FILL
 }
 
+
 #define MAX_SLICE_PLANES 4
 
 /// Slice plane