h264: pass just the PPS to get_chroma_qp()

It does not need the whole context. This will simplify the following
commit.

libavcodec/h264.h

@@ -783,9 +783,9 @@ static av_always_inline uint16_t pack8to16(int a, int b)
 /**
  * Get the chroma qp.
  */
-static av_always_inline int get_chroma_qp(const H264Context *h, int t, int qscale)
+static av_always_inline int get_chroma_qp(const PPS *pps, int t, int qscale)
 {
-    return h->ps.pps->chroma_qp_table[t][qscale];
+    return pps->chroma_qp_table[t][qscale];
 }
 
 /**

libavcodec/h264_cabac.c

@@ -2385,8 +2385,8 @@ decode_intra_mb:
                 if (sl->qscale < 0) sl->qscale += max_qp + 1;
                 else                sl->qscale -= max_qp + 1;
             }
-            sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
-            sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
+            sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
+            sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
         }else
             sl->last_qscale_diff=0;
 

libavcodec/h264_cavlc.c

@@ -1110,8 +1110,8 @@ decode_intra_mb:
             }
         }
 
-        sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
-        sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
+        sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
+        sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
 
         if ((ret = decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 0)) < 0 ) {
             return -1;

libavcodec/h264_loopfilter.c

@@ -260,9 +260,9 @@ static av_always_inline void h264_filter_mb_fast_internal(const H264Context *h,
     int qp      = h->cur_pic.qscale_table[mb_xy];
     int qp0     = h->cur_pic.qscale_table[mb_xy - 1];
     int qp1     = h->cur_pic.qscale_table[sl->top_mb_xy];
-    int qpc = get_chroma_qp( h, 0, qp );
-    int qpc0 = get_chroma_qp( h, 0, qp0 );
-    int qpc1 = get_chroma_qp( h, 0, qp1 );
+    int qpc  = get_chroma_qp(h->ps.pps, 0, qp);
+    int qpc0 = get_chroma_qp(h->ps.pps, 0, qp0);
+    int qpc1 = get_chroma_qp(h->ps.pps, 0, qp1);
     qp0 = (qp + qp0 + 1) >> 1;
     qp1 = (qp + qp1 + 1) >> 1;
     qpc0 = (qpc + qpc0 + 1) >> 1;
@@ -531,8 +531,8 @@ static av_always_inline void filter_mb_dir(const H264Context *h, H264SliceContex
                 ff_tlog(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
                 { int i; for (i = 0; i < 4; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
                 filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, a, b, h, 0 );
-                chroma_qp_avg[0] = (sl->chroma_qp[0] + get_chroma_qp(h, 0, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
-                chroma_qp_avg[1] = (sl->chroma_qp[1] + get_chroma_qp(h, 1, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
+                chroma_qp_avg[0] = (sl->chroma_qp[0] + get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
+                chroma_qp_avg[1] = (sl->chroma_qp[1] + get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
                 if (chroma) {
                     if (chroma444) {
                         filter_mb_edgeh (&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
@@ -594,8 +594,8 @@ static av_always_inline void filter_mb_dir(const H264Context *h, H264SliceContex
             if(bS[0]+bS[1]+bS[2]+bS[3]){
                 qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbm_xy] + 1) >> 1;
                 ff_tlog(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
-                chroma_qp_avg[0] = (sl->chroma_qp[0] + get_chroma_qp(h, 0, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
-                chroma_qp_avg[1] = (sl->chroma_qp[1] + get_chroma_qp(h, 1, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
+                chroma_qp_avg[0] = (sl->chroma_qp[0] + get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
+                chroma_qp_avg[1] = (sl->chroma_qp[1] + get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
                 if( dir == 0 ) {
                     filter_mb_edgev( &img_y[0], linesize, bS, qp, a, b, h, 1 );
                     if (chroma) {
@@ -777,15 +777,15 @@ void ff_h264_filter_mb(const H264Context *h, H264SliceContext *sl,
         mbn0_qp = h->cur_pic.qscale_table[sl->left_mb_xy[0]];
         mbn1_qp = h->cur_pic.qscale_table[sl->left_mb_xy[1]];
         qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
-        bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
-                   get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
-        rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
-                   get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
+        bqp[0] = (get_chroma_qp(h->ps.pps, 0, mb_qp) +
+                  get_chroma_qp(h->ps.pps, 0, mbn0_qp) + 1) >> 1;
+        rqp[0] = (get_chroma_qp(h->ps.pps, 1, mb_qp) +
+                  get_chroma_qp(h->ps.pps, 1, mbn0_qp) + 1) >> 1;
         qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
-        bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
-                   get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
-        rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
-                   get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
+        bqp[1] = (get_chroma_qp(h->ps.pps, 0, mb_qp) +
+                  get_chroma_qp(h->ps.pps, 0, mbn1_qp) + 1 ) >> 1;
+        rqp[1] = (get_chroma_qp(h->ps.pps, 1, mb_qp) +
+                  get_chroma_qp(h->ps.pps, 1, mbn1_qp) + 1 ) >> 1;
 
         /* Filter edge */
         ff_tlog(h->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPb:%d/%d QPr:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], bqp[0], bqp[1], rqp[0], rqp[1], linesize, uvlinesize);

libavcodec/h264_slice.c

@@ -1361,8 +1361,8 @@ static int h264_slice_header_parse(H264Context *h, H264SliceContext *sl)
         return AVERROR_INVALIDDATA;
     }
     sl->qscale       = tmp;
-    sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
-    sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
+    sl->chroma_qp[0] = get_chroma_qp(pps, 0, sl->qscale);
+    sl->chroma_qp[1] = get_chroma_qp(pps, 1, sl->qscale);
     // FIXME qscale / qp ... stuff
     if (sl->slice_type == AV_PICTURE_TYPE_SP)
         get_bits1(&sl->gb); /* sp_for_switch_flag */
@@ -1846,8 +1846,8 @@ static void loop_filter(const H264Context *h, H264SliceContext *sl, int start_x,
                                  uvlinesize, 0);
                 if (fill_filter_caches(h, sl, mb_type))
                     continue;
-                sl->chroma_qp[0] = get_chroma_qp(h, 0, h->cur_pic.qscale_table[mb_xy]);
-                sl->chroma_qp[1] = get_chroma_qp(h, 1, h->cur_pic.qscale_table[mb_xy]);
+                sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mb_xy]);
+                sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mb_xy]);
 
                 if (FRAME_MBAFF(h)) {
                     ff_h264_filter_mb(h, sl, mb_x, mb_y, dest_y, dest_cb, dest_cr,
@@ -1861,8 +1861,8 @@ static void loop_filter(const H264Context *h, H264SliceContext *sl, int start_x,
     sl->slice_type  = old_slice_type;
     sl->mb_x         = end_x;
     sl->mb_y         = end_mb_y - FRAME_MBAFF(h);
-    sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
-    sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
+    sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
+    sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
 }
 
 static void predict_field_decoding_flag(const H264Context *h, H264SliceContext *sl)