noise reduction of dct coefficients

Originally committed as revision 2468 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 6 insertions, 0 deletions

diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 644eeeae78..53254e5813 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -468,6 +468,11 @@ typedef struct MpegEncContext {
     ScanTable intra_h_scantable;
     ScanTable intra_v_scantable;
     ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
+    
+    /* noise reduction */
+    int (*dct_error_sum)[64];
+    int dct_count[2];
+    uint16_t (*dct_offset)[64];
 
     void *opaque;              ///< private data for the user
 
@@ -719,6 +724,7 @@ void ff_mpeg_flush(AVCodecContext *avctx);
 void ff_print_debug_info(MpegEncContext *s, Picture *pict);
 void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix);
 int ff_find_unused_picture(MpegEncContext *s, int shared);
+void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
 
 void ff_er_frame_start(MpegEncContext *s);
 void ff_er_frame_end(MpegEncContext *s);