lavc: introduce VideoDSPContext

Move some functions from dsputil. The idea is that videodsp contains
functions that are useful for a large and varied set of video decoders.
Currently, it contains emulated_edge_mc() and prefetch().

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 0 insertions, 26 deletions

diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index 364270b0b3..57c8bebb63 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -188,15 +188,6 @@ void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
 void ff_init_scantable_permutation(uint8_t *idct_permutation,
                                    int idct_permutation_type);
 
-#define EMULATED_EDGE(depth) \
-void ff_emulated_edge_mc_ ## depth (uint8_t *buf, const uint8_t *src, int linesize,\
-                         int block_w, int block_h,\
-                         int src_x, int src_y, int w, int h);
-
-EMULATED_EDGE(8)
-EMULATED_EDGE(9)
-EMULATED_EDGE(10)
-
 /**
  * DSPContext.
  */
@@ -216,21 +207,6 @@ typedef struct DSPContext {
     void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size);
     int (*sum_abs_dctelem)(DCTELEM *block/*align 16*/);
     /**
-     * Motion estimation with emulated edge values.
-     * @param buf pointer to destination buffer (unaligned)
-     * @param src pointer to pixel source (unaligned)
-     * @param linesize width (in pixels) for src/buf
-     * @param block_w number of pixels (per row) to copy to buf
-     * @param block_h nummber of pixel rows to copy to buf
-     * @param src_x offset of src to start of row - this may be negative
-     * @param src_y offset of src to top of image - this may be negative
-     * @param w width of src in pixels
-     * @param h height of src in pixels
-     */
-    void (*emulated_edge_mc)(uint8_t *buf, const uint8_t *src, int linesize,
-                             int block_w, int block_h,
-                             int src_x, int src_y, int w, int h);
-    /**
      * translational global motion compensation.
      */
     void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
@@ -465,8 +441,6 @@ typedef struct DSPContext {
 #define EDGE_TOP    1
 #define EDGE_BOTTOM 2
 
-    void (*prefetch)(void *mem, int stride, int h);
-
     void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
 
     /**