[SCM] libav/experimental: RV3 and RV4 decoders set some deblocking coefs for each macroblock, so store them in the context and register a function to calculate them.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit def4f63b85ff2a56d11f373e802db52e8de12c0b
Author: Kostya Shishkov <kostya.shishkov at gmail.com>
Date:   Mon Oct 20 05:58:05 2008 +0000

    RV3 and RV4 decoders set some deblocking coefs for each macroblock,
    so store them in the context and register a function to calculate them.
    
    Originally committed as revision 15651 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index 10ab691..c8894be 100644
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -1039,6 +1039,8 @@ static int rv34_decode_macroblock(RV34DecContext *r, int8_t *intra_types)
     cbp = cbp2 = rv34_decode_mb_header(r, intra_types);
     r->cbp_luma  [s->mb_x + s->mb_y * s->mb_stride] = cbp;
     r->cbp_chroma[s->mb_x + s->mb_y * s->mb_stride] = cbp >> 16;
+    if(r->set_deblock_coef)
+        r->deblock_coefs[s->mb_x + s->mb_y * s->mb_stride] = r->set_deblock_coef(r);
     s->current_picture.qscale_table[s->mb_x + s->mb_y * s->mb_stride] = s->qscale;
 
     if(cbp == -1)
@@ -1132,6 +1134,7 @@ static int rv34_decode_slice(RV34DecContext *r, int end, uint8_t* buf, int buf_s
             r->mb_type = av_realloc(r->mb_type, r->s.mb_stride * r->s.mb_height * sizeof(*r->mb_type));
             r->cbp_luma   = av_realloc(r->cbp_luma,   r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_luma));
             r->cbp_chroma = av_realloc(r->cbp_chroma, r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_chroma));
+            r->deblock_coefs = av_realloc(r->deblock_coefs, r->s.mb_stride * r->s.mb_height * sizeof(*r->deblock_coefs));
         }
         s->pict_type = r->si.type ? r->si.type : FF_I_TYPE;
         if(MPV_frame_start(s, s->avctx) < 0)
@@ -1226,6 +1229,7 @@ av_cold int ff_rv34_decode_init(AVCodecContext *avctx)
 
     r->cbp_luma   = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_luma));
     r->cbp_chroma = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_chroma));
+    r->deblock_coefs = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->deblock_coefs));
 
     if(!intra_vlcs[0].cbppattern[0].bits)
         rv34_init_tables();
diff --git a/libavcodec/rv34.h b/libavcodec/rv34.h
index b6e576c..e521dbb 100644
--- a/libavcodec/rv34.h
+++ b/libavcodec/rv34.h
@@ -107,6 +107,7 @@ typedef struct RV34DecContext{
 
     uint16_t *cbp_luma;      ///< CBP values for luma subblocks
     uint8_t  *cbp_chroma;    ///< CBP values for chroma subblocks
+    int      *deblock_coefs; ///< deblock coefficients for each macroblock
 
     /** 8x8 block available flags (for MV prediction) */
     DECLARE_ALIGNED_8(uint32_t, avail_cache[3*4]);
@@ -114,6 +115,7 @@ typedef struct RV34DecContext{
     int (*parse_slice_header)(struct RV34DecContext *r, GetBitContext *gb, SliceInfo *si);
     int (*decode_mb_info)(struct RV34DecContext *r);
     int (*decode_intra_types)(struct RV34DecContext *r, GetBitContext *gb, int8_t *dst);
+    int (*set_deblock_coef)(struct RV34DecContext *r);
     void (*loop_filter)(struct RV34DecContext *r);
 }RV34DecContext;
 

-- 
Libav/FFmpeg packaging