utvideodec: Support UQRA and UQRG

[ffmpeg] / libavcodec / imgconvert.c

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 6354868631a8d88e35541898e38da1ebc282f726..9c8fab59a305e547b9d41b45b6b96a209db55116 100644 (file)
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -24,14 +24,7 @@
  * misc image conversion routines
  */
 
-/* TODO:
- * - write 'ffimg' program to test all the image related stuff
- * - move all api to slice based system
- * - integrate deinterlacing, postprocessing and scaling in the conversion process
- */
-
 #include "avcodec.h"
-#include "imgconvert.h"
 #include "internal.h"
 #include "mathops.h"
 #include "libavutil/colorspace.h"
@@ -40,13 +33,6 @@
 #include "libavutil/internal.h"
 #include "libavutil/imgutils.h"
 
-void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
-{
-    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
-    *h_shift = desc->log2_chroma_w;
-    *v_shift = desc->log2_chroma_h;
-}
-
 static int is_gray(const AVPixFmtDescriptor *desc)
 {
     return desc->nb_components - (desc->flags & AV_PIX_FMT_FLAG_ALPHA) == 1;
@@ -160,92 +146,8 @@ enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat *pix_fmt_list,
     return dst_pix_fmt;
 }
 
-/* 2x2 -> 1x1 */
-void ff_shrink22(uint8_t *dst, int dst_wrap,
-                     const uint8_t *src, int src_wrap,
-                     int width, int height)
-{
-    int w;
-    const uint8_t *s1, *s2;
-    uint8_t *d;
-
-    for(;height > 0; height--) {
-        s1 = src;
-        s2 = s1 + src_wrap;
-        d = dst;
-        for(w = width;w >= 4; w-=4) {
-            d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
-            d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 2;
-            d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 2;
-            d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 2;
-            s1 += 8;
-            s2 += 8;
-            d += 4;
-        }
-        for(;w > 0; w--) {
-            d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2;
-            s1 += 2;
-            s2 += 2;
-            d++;
-        }
-        src += 2 * src_wrap;
-        dst += dst_wrap;
-    }
-}
-
-/* 4x4 -> 1x1 */
-void ff_shrink44(uint8_t *dst, int dst_wrap,
-                     const uint8_t *src, int src_wrap,
-                     int width, int height)
-{
-    int w;
-    const uint8_t *s1, *s2, *s3, *s4;
-    uint8_t *d;
-
-    for(;height > 0; height--) {
-        s1 = src;
-        s2 = s1 + src_wrap;
-        s3 = s2 + src_wrap;
-        s4 = s3 + src_wrap;
-        d = dst;
-        for(w = width;w > 0; w--) {
-            d[0] = (s1[0] + s1[1] + s1[2] + s1[3] +
-                    s2[0] + s2[1] + s2[2] + s2[3] +
-                    s3[0] + s3[1] + s3[2] + s3[3] +
-                    s4[0] + s4[1] + s4[2] + s4[3] + 8) >> 4;
-            s1 += 4;
-            s2 += 4;
-            s3 += 4;
-            s4 += 4;
-            d++;
-        }
-        src += 4 * src_wrap;
-        dst += dst_wrap;
-    }
-}
-
-/* 8x8 -> 1x1 */
-void ff_shrink88(uint8_t *dst, int dst_wrap,
-                     const uint8_t *src, int src_wrap,
-                     int width, int height)
-{
-    int w, i;
-
-    for(;height > 0; height--) {
-        for(w = width;w > 0; w--) {
-            int tmp=0;
-            for(i=0; i<8; i++){
-                tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7];
-                src += src_wrap;
-            }
-            *(dst++) = (tmp + 32)>>6;
-            src += 8 - 8*src_wrap;
-        }
-        src += 8*src_wrap - 8*width;
-        dst += dst_wrap - width;
-    }
-}
-
+#if FF_API_AVPICTURE
+FF_DISABLE_DEPRECATION_WARNINGS
 /* return true if yuv planar */
 static inline int is_yuv_planar(const AVPixFmtDescriptor *desc)
 {
@@ -253,9 +155,6 @@ static inline int is_yuv_planar(const AVPixFmtDescriptor *desc)
              (desc->flags & AV_PIX_FMT_FLAG_PLANAR));
 }
 
-#if FF_API_AVPICTURE
-FF_DISABLE_DEPRECATION_WARNINGS
-
 int av_picture_crop(AVPicture *dst, const AVPicture *src,
                     enum AVPixelFormat pix_fmt, int top_band, int left_band)
 {