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-rw-r--r--libavcodec/dsputil.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index dc93043..ad25866 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -154,6 +154,21 @@ typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align widt
typedef struct slice_buffer_s slice_buffer;
/**
+ * Scantable.
+ */
+typedef struct ScanTable{
+ const uint8_t *scantable;
+ uint8_t permutated[64];
+ uint8_t raster_end[64];
+#ifdef ARCH_POWERPC
+ /** Used by dct_quantize_altivec to find last-non-zero */
+ DECLARE_ALIGNED_8(uint8_t, inverse[64]);
+#endif
+} ScanTable;
+
+void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
+
+/**
* DSPContext.
*/
typedef struct DSPContext {
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