h264: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

1 files changed, 414 insertions, 344 deletions

diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c
index e0982837c7..0cf0d46022 100644
--- a/libavcodec/h264_direct.c
+++ b/libavcodec/h264_direct.c
@@ -34,63 +34,67 @@
 
 #include <assert.h>
 
-
-static int get_scale_factor(H264Context * const h, int poc, int poc1, int i){
+static int get_scale_factor(H264Context *const h, int poc, int poc1, int i)
+{
     int poc0 = h->ref_list[0][i].poc;
     int td = av_clip(poc1 - poc0, -128, 127);
-    if(td == 0 || h->ref_list[0][i].long_ref){
+    if (td == 0 || h->ref_list[0][i].long_ref) {
         return 256;
-    }else{
+    } else {
         int tb = av_clip(poc - poc0, -128, 127);
         int tx = (16384 + (FFABS(td) >> 1)) / td;
-        return av_clip((tb*tx + 32) >> 6, -1024, 1023);
+        return av_clip((tb * tx + 32) >> 6, -1024, 1023);
     }
 }
 
-void ff_h264_direct_dist_scale_factor(H264Context * const h){
-    const int poc = h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD];
+void ff_h264_direct_dist_scale_factor(H264Context *const h)
+{
+    const int poc  = h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD];
     const int poc1 = h->ref_list[1][0].poc;
     int i, field;
 
     if (FRAME_MBAFF(h))
-        for (field = 0; field < 2; field++){
+        for (field = 0; field < 2; field++) {
             const int poc  = h->cur_pic_ptr->field_poc[field];
             const int poc1 = h->ref_list[1][0].field_poc[field];
             for (i = 0; i < 2 * h->ref_count[0]; i++)
-                h->dist_scale_factor_field[field][i^field] =
-                    get_scale_factor(h, poc, poc1, i+16);
+                h->dist_scale_factor_field[field][i ^ field] =
+                    get_scale_factor(h, poc, poc1, i + 16);
         }
 
-    for (i = 0; i < h->ref_count[0]; i++){
+    for (i = 0; i < h->ref_count[0]; i++)
         h->dist_scale_factor[i] = get_scale_factor(h, poc, poc1, i);
-    }
 }
 
-static void fill_colmap(H264Context *h, int map[2][16+32], int list, int field, int colfield, int mbafi){
-    H264Picture * const ref1 = &h->ref_list[1][0];
+static void fill_colmap(H264Context *h, int map[2][16 + 32], int list,
+                        int field, int colfield, int mbafi)
+{
+    H264Picture *const ref1 = &h->ref_list[1][0];
     int j, old_ref, rfield;
-    int start= mbafi ? 16                      : 0;
-    int end  = mbafi ? 16+2*h->ref_count[0]    : h->ref_count[0];
-    int interl= mbafi || h->picture_structure != PICT_FRAME;
+    int start  = mbafi ? 16                       : 0;
+    int end    = mbafi ? 16 + 2 * h->ref_count[0] : h->ref_count[0];
+    int interl = mbafi || h->picture_structure != PICT_FRAME;
 
     /* bogus; fills in for missing frames */
     memset(map[list], 0, sizeof(map[list]));
 
-    for(rfield=0; rfield<2; rfield++){
-        for(old_ref=0; old_ref<ref1->ref_count[colfield][list]; old_ref++){
+    for (rfield = 0; rfield < 2; rfield++) {
+        for (old_ref = 0; old_ref < ref1->ref_count[colfield][list]; old_ref++) {
             int poc = ref1->ref_poc[colfield][list][old_ref];
 
-            if     (!interl)
+            if (!interl)
                 poc |= 3;
-            else if( interl && (poc&3) == 3) // FIXME: store all MBAFF references so this is not needed
-                poc= (poc&~3) + rfield + 1;
-
-            for(j=start; j<end; j++){
-                if (4 * h->ref_list[0][j].frame_num + (h->ref_list[0][j].reference & 3) == poc) {
-                    int cur_ref= mbafi ? (j-16)^field : j;
+            // FIXME: store all MBAFF references so this is not needed
+            else if (interl && (poc & 3) == 3)
+                poc = (poc & ~3) + rfield + 1;
+
+            for (j = start; j < end; j++) {
+                if (4 * h->ref_list[0][j].frame_num +
+                    (h->ref_list[0][j].reference & 3) == poc) {
+                    int cur_ref = mbafi ? (j - 16) ^ field : j;
                     if (ref1->mbaff)
-                        map[list][2 * old_ref + (rfield^field) + 16] = cur_ref;
-                    if(rfield == field || !interl)
+                        map[list][2 * old_ref + (rfield ^ field) + 16] = cur_ref;
+                    if (rfield == field || !interl)
                         map[list][old_ref] = cur_ref;
                     break;
                 }
@@ -99,65 +103,75 @@ static void fill_colmap(H264Context *h, int map[2][16+32], int list, int field,
     }
 }
 
-void ff_h264_direct_ref_list_init(H264Context * const h){
-    H264Picture * const ref1 = &h->ref_list[1][0];
-    H264Picture * const cur = h->cur_pic_ptr;
+void ff_h264_direct_ref_list_init(H264Context *const h)
+{
+    H264Picture *const ref1 = &h->ref_list[1][0];
+    H264Picture *const cur = h->cur_pic_ptr;
     int list, j, field;
-    int sidx= (h->picture_structure&1)^1;
-    int ref1sidx = (ref1->reference&1)^1;
+    int sidx     = (h->picture_structure & 1) ^ 1;
+    int ref1sidx = (ref1->reference      & 1) ^ 1;
 
-    for(list=0; list<2; list++){
+    for (list = 0; list < 2; list++) {
         cur->ref_count[sidx][list] = h->ref_count[list];
-        for(j=0; j<h->ref_count[list]; j++)
-            cur->ref_poc[sidx][list][j] = 4 * h->ref_list[list][j].frame_num + (h->ref_list[list][j].reference & 3);
+        for (j = 0; j < h->ref_count[list]; j++)
+            cur->ref_poc[sidx][list][j] = 4 * h->ref_list[list][j].frame_num +
+                                          (h->ref_list[list][j].reference & 3);
     }
 
-    if(h->picture_structure == PICT_FRAME){
+    if (h->picture_structure == PICT_FRAME) {
         memcpy(cur->ref_count[1], cur->ref_count[0], sizeof(cur->ref_count[0]));
-        memcpy(cur->ref_poc  [1], cur->ref_poc  [0], sizeof(cur->ref_poc  [0]));
+        memcpy(cur->ref_poc[1],   cur->ref_poc[0],   sizeof(cur->ref_poc[0]));
     }
 
     cur->mbaff = FRAME_MBAFF(h);
 
-    h->col_fieldoff= 0;
-    if(h->picture_structure == PICT_FRAME){
-        int cur_poc = h->cur_pic_ptr->poc;
+    h->col_fieldoff = 0;
+    if (h->picture_structure == PICT_FRAME) {
+        int cur_poc  = h->cur_pic_ptr->poc;
         int *col_poc = h->ref_list[1]->field_poc;
-        h->col_parity= (FFABS(col_poc[0] - cur_poc) >= FFABS(col_poc[1] - cur_poc));
-        ref1sidx=sidx= h->col_parity;
-    } else if (!(h->picture_structure & h->ref_list[1][0].reference) && !h->ref_list[1][0].mbaff) { // FL -> FL & differ parity
+        h->col_parity = (FFABS(col_poc[0] - cur_poc) >=
+                         FFABS(col_poc[1] - cur_poc));
+        ref1sidx =
+        sidx     = h->col_parity;
+    // FL -> FL & differ parity
+    } else if (!(h->picture_structure & h->ref_list[1][0].reference) &&
+               !h->ref_list[1][0].mbaff) {
         h->col_fieldoff = 2 * h->ref_list[1][0].reference - 3;
     }
 
     if (h->slice_type_nos != AV_PICTURE_TYPE_B || h->direct_spatial_mv_pred)
         return;
 
-    for(list=0; list<2; list++){
+    for (list = 0; list < 2; list++) {
         fill_colmap(h, h->map_col_to_list0, list, sidx, ref1sidx, 0);
         if (FRAME_MBAFF(h))
-        for(field=0; field<2; field++)
-            fill_colmap(h, h->map_col_to_list0_field[field], list, field, field, 1);
+            for (field = 0; field < 2; field++)
+                fill_colmap(h, h->map_col_to_list0_field[field], list, field,
+                            field, 1);
     }
 }
 
-static void await_reference_mb_row(H264Context * const h, H264Picture *ref, int mb_y)
+static void await_reference_mb_row(H264Context *const h, H264Picture *ref,
+                                   int mb_y)
 {
-    int ref_field = ref->reference - 1;
+    int ref_field         = ref->reference - 1;
     int ref_field_picture = ref->field_picture;
-    int ref_height = 16*h->mb_height >> ref_field_picture;
+    int ref_height        = 16 * h->mb_height >> ref_field_picture;
 
-    if(!HAVE_THREADS || !(h->avctx->active_thread_type&FF_THREAD_FRAME))
+    if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_FRAME))
         return;
 
-    //FIXME it can be safe to access mb stuff
-    //even if pixels aren't deblocked yet
+    /* FIXME: It can be safe to access mb stuff
+     * even if pixels aren't deblocked yet. */
 
     ff_thread_await_progress(&ref->tf,
-                             FFMIN(16 * mb_y >> ref_field_picture, ref_height - 1),
+                             FFMIN(16 * mb_y >> ref_field_picture,
+                                   ref_height - 1),
                              ref_field_picture && ref_field);
 }
 
-static void pred_spatial_direct_motion(H264Context * const h, int *mb_type){
+static void pred_spatial_direct_motion(H264Context *const h, int *mb_type)
+{
     int b8_stride = 2;
     int b4_stride = h->b_stride;
     int mb_xy = h->mb_xy, mb_y = h->mb_y;
@@ -165,7 +179,7 @@ static void pred_spatial_direct_motion(H264Context * const h, int *mb_type){
     const int16_t (*l1mv0)[2], (*l1mv1)[2];
     const int8_t *l1ref0, *l1ref1;
     const int is_b8x8 = IS_8X8(*mb_type);
-    unsigned int sub_mb_type= MB_TYPE_L0L1;
+    unsigned int sub_mb_type = MB_TYPE_L0L1;
     int i8, i4;
     int ref[2];
     int mv[2];
@@ -173,241 +187,276 @@ static void pred_spatial_direct_motion(H264Context * const h, int *mb_type){
 
     assert(h->ref_list[1][0].reference & 3);
 
-    await_reference_mb_row(h, &h->ref_list[1][0], h->mb_y + !!IS_INTERLACED(*mb_type));
-
-#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
+    await_reference_mb_row(h, &h->ref_list[1][0],
+                           h->mb_y + !!IS_INTERLACED(*mb_type));
 
+#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16 | MB_TYPE_INTRA4x4 | \
+                                MB_TYPE_INTRA16x16 | MB_TYPE_INTRA_PCM)
 
     /* ref = min(neighbors) */
-    for(list=0; list<2; list++){
-        int left_ref = h->ref_cache[list][scan8[0] - 1];
-        int top_ref  = h->ref_cache[list][scan8[0] - 8];
-        int refc = h->ref_cache[list][scan8[0] - 8 + 4];
-        const int16_t *C= h->mv_cache[list][ scan8[0] - 8 + 4];
-        if(refc == PART_NOT_AVAILABLE){
+    for (list = 0; list < 2; list++) {
+        int left_ref     = h->ref_cache[list][scan8[0] - 1];
+        int top_ref      = h->ref_cache[list][scan8[0] - 8];
+        int refc         = h->ref_cache[list][scan8[0] - 8 + 4];
+        const int16_t *C = h->mv_cache[list][scan8[0]  - 8 + 4];
+        if (refc == PART_NOT_AVAILABLE) {
             refc = h->ref_cache[list][scan8[0] - 8 - 1];
-            C    = h-> mv_cache[list][scan8[0] - 8 - 1];
+            C    = h->mv_cache[list][scan8[0]  - 8 - 1];
         }
-        ref[list] = FFMIN3((unsigned)left_ref, (unsigned)top_ref, (unsigned)refc);
-        if(ref[list] >= 0){
-            //this is just pred_motion() but with the cases removed that cannot happen for direct blocks
-            const int16_t * const A= h->mv_cache[list][ scan8[0] - 1 ];
-            const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
-
-            int match_count= (left_ref==ref[list]) + (top_ref==ref[list]) + (refc==ref[list]);
-            if(match_count > 1){ //most common
-                mv[list]= pack16to32(mid_pred(A[0], B[0], C[0]),
-                                     mid_pred(A[1], B[1], C[1]) );
-            }else {
-                assert(match_count==1);
-                if(left_ref==ref[list]){
-                    mv[list]= AV_RN32A(A);
-                }else if(top_ref==ref[list]){
-                    mv[list]= AV_RN32A(B);
-                }else{
-                    mv[list]= AV_RN32A(C);
-                }
+        ref[list] = FFMIN3((unsigned)left_ref,
+                           (unsigned)top_ref,
+                           (unsigned)refc);
+        if (ref[list] >= 0) {
+            /* This is just pred_motion() but with the cases removed that
+             * cannot happen for direct blocks. */
+            const int16_t *const A = h->mv_cache[list][scan8[0] - 1];
+            const int16_t *const B = h->mv_cache[list][scan8[0] - 8];
+
+            int match_count = (left_ref == ref[list]) +
+                              (top_ref  == ref[list]) +
+                              (refc     == ref[list]);
+
+            if (match_count > 1) { // most common
+                mv[list] = pack16to32(mid_pred(A[0], B[0], C[0]),
+                                      mid_pred(A[1], B[1], C[1]));
+            } else {
+                assert(match_count == 1);
+                if (left_ref == ref[list])
+                    mv[list] = AV_RN32A(A);
+                else if (top_ref == ref[list])
+                    mv[list] = AV_RN32A(B);
+                else
+                    mv[list] = AV_RN32A(C);
             }
-        }else{
-            int mask= ~(MB_TYPE_L0 << (2*list));
-            mv[list] = 0;
+        } else {
+            int mask = ~(MB_TYPE_L0 << (2 * list));
+            mv[list]  = 0;
             ref[list] = -1;
-            if(!is_b8x8)
+            if (!is_b8x8)
                 *mb_type &= mask;
             sub_mb_type &= mask;
         }
     }
-    if(ref[0] < 0 && ref[1] < 0){
+    if (ref[0] < 0 && ref[1] < 0) {
         ref[0] = ref[1] = 0;
-        if(!is_b8x8)
+        if (!is_b8x8)
             *mb_type |= MB_TYPE_L0L1;
         sub_mb_type |= MB_TYPE_L0L1;
     }
 
-    if(!(is_b8x8|mv[0]|mv[1])){
+    if (!(is_b8x8 | mv[0] | mv[1])) {
         fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
         fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
         fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
         fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
-        *mb_type= (*mb_type & ~(MB_TYPE_8x8|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_P1L0|MB_TYPE_P1L1))|MB_TYPE_16x16|MB_TYPE_DIRECT2;
+        *mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |
+                                 MB_TYPE_P1L0 | MB_TYPE_P1L1)) |
+                   MB_TYPE_16x16 | MB_TYPE_DIRECT2;
         return;
     }
 
     if (IS_INTERLACED(h->ref_list[1][0].mb_type[mb_xy])) { // AFL/AFR/FR/FL -> AFL/FL
-        if (!IS_INTERLACED(*mb_type)) {                          //     AFR/FR    -> AFL/FL
-            mb_y = (h->mb_y&~1) + h->col_parity;
-            mb_xy= h->mb_x + ((h->mb_y&~1) + h->col_parity)*h->mb_stride;
+        if (!IS_INTERLACED(*mb_type)) {                    //     AFR/FR    -> AFL/FL
+            mb_y  = (h->mb_y & ~1) + h->col_parity;
+            mb_xy = h->mb_x +
+                    ((h->mb_y & ~1) + h->col_parity) * h->mb_stride;
             b8_stride = 0;
-        }else{
+        } else {
             mb_y  += h->col_fieldoff;
-            mb_xy += h->mb_stride*h->col_fieldoff; // non zero for FL -> FL & differ parity
+            mb_xy += h->mb_stride * h->col_fieldoff; // non-zero for FL -> FL & differ parity
         }
         goto single_col;
-    }else{                                               // AFL/AFR/FR/FL -> AFR/FR
-        if(IS_INTERLACED(*mb_type)){                     // AFL       /FL -> AFR/FR
-            mb_y = h->mb_y&~1;
-            mb_xy= h->mb_x + (h->mb_y&~1)*h->mb_stride;
+    } else {                                             // AFL/AFR/FR/FL -> AFR/FR
+        if (IS_INTERLACED(*mb_type)) {                   // AFL       /FL -> AFR/FR
+            mb_y           =  h->mb_y & ~1;
+            mb_xy          = (h->mb_y & ~1) * h->mb_stride + h->mb_x;
             mb_type_col[0] = h->ref_list[1][0].mb_type[mb_xy];
             mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy + h->mb_stride];
-            b8_stride = 2+4*h->mb_stride;
-            b4_stride *= 6;
-            if (IS_INTERLACED(mb_type_col[0]) != IS_INTERLACED(mb_type_col[1])) {
+            b8_stride      = 2 + 4 * h->mb_stride;
+            b4_stride     *= 6;
+            if (IS_INTERLACED(mb_type_col[0]) !=
+                IS_INTERLACED(mb_type_col[1])) {
                 mb_type_col[0] &= ~MB_TYPE_INTERLACED;
                 mb_type_col[1] &= ~MB_TYPE_INTERLACED;
             }
 
-            sub_mb_type |= MB_TYPE_16x16|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-            if(    (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)
-                && (mb_type_col[1] & MB_TYPE_16x16_OR_INTRA)
-                && !is_b8x8){
-                *mb_type   |= MB_TYPE_16x8 |MB_TYPE_DIRECT2; /* B_16x8 */
-            }else{
-                *mb_type   |= MB_TYPE_8x8;
+            sub_mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2; /* B_SUB_8x8 */
+            if ((mb_type_col[0] & MB_TYPE_16x16_OR_INTRA) &&
+                (mb_type_col[1] & MB_TYPE_16x16_OR_INTRA) &&
+                !is_b8x8) {
+                *mb_type |= MB_TYPE_16x8 | MB_TYPE_DIRECT2;  /* B_16x8 */
+            } else {
+                *mb_type |= MB_TYPE_8x8;
             }
-        }else{                                           //     AFR/FR    -> AFR/FR
+        } else {                                         //     AFR/FR    -> AFR/FR
 single_col:
             mb_type_col[0] =
             mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy];
 
-            sub_mb_type |= MB_TYPE_16x16|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-            if(!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)){
-                *mb_type   |= MB_TYPE_16x16|MB_TYPE_DIRECT2; /* B_16x16 */
-            }else if(!is_b8x8 && (mb_type_col[0] & (MB_TYPE_16x8|MB_TYPE_8x16))){
-                *mb_type   |= MB_TYPE_DIRECT2 | (mb_type_col[0] & (MB_TYPE_16x8|MB_TYPE_8x16));
-            }else{
-                if(!h->sps.direct_8x8_inference_flag){
-                    /* FIXME save sub mb types from previous frames (or derive from MVs)
-                    * so we know exactly what block size to use */
-                    sub_mb_type += (MB_TYPE_8x8-MB_TYPE_16x16); /* B_SUB_4x4 */
+            sub_mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2; /* B_SUB_8x8 */
+            if (!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)) {
+                *mb_type |= MB_TYPE_16x16 | MB_TYPE_DIRECT2; /* B_16x16 */
+            } else if (!is_b8x8 &&
+                       (mb_type_col[0] & (MB_TYPE_16x8 | MB_TYPE_8x16))) {
+                *mb_type |= MB_TYPE_DIRECT2 |
+                            (mb_type_col[0] & (MB_TYPE_16x8 | MB_TYPE_8x16));
+            } else {
+                if (!h->sps.direct_8x8_inference_flag) {
+                    /* FIXME: Save sub mb types from previous frames (or derive
+                     * from MVs) so we know exactly what block size to use. */
+                    sub_mb_type += (MB_TYPE_8x8 - MB_TYPE_16x16); /* B_SUB_4x4 */
                 }
-                *mb_type   |= MB_TYPE_8x8;
+                *mb_type |= MB_TYPE_8x8;
             }
         }
     }
 
     await_reference_mb_row(h, &h->ref_list[1][0], mb_y);
 
-    l1mv0  = &h->ref_list[1][0].motion_val[0][h->mb2b_xy [mb_xy]];
-    l1mv1  = &h->ref_list[1][0].motion_val[1][h->mb2b_xy [mb_xy]];
-    l1ref0 = &h->ref_list[1][0].ref_index [0][4 * mb_xy];
-    l1ref1 = &h->ref_list[1][0].ref_index [1][4 * mb_xy];
-    if(!b8_stride){
-        if(h->mb_y&1){
+    l1mv0  = &h->ref_list[1][0].motion_val[0][h->mb2b_xy[mb_xy]];
+    l1mv1  = &h->ref_list[1][0].motion_val[1][h->mb2b_xy[mb_xy]];
+    l1ref0 = &h->ref_list[1][0].ref_index[0][4 * mb_xy];
+    l1ref1 = &h->ref_list[1][0].ref_index[1][4 * mb_xy];
+    if (!b8_stride) {
+        if (h->mb_y & 1) {
             l1ref0 += 2;
             l1ref1 += 2;
-            l1mv0  +=  2*b4_stride;
-            l1mv1  +=  2*b4_stride;
+            l1mv0  += 2 * b4_stride;
+            l1mv1  += 2 * b4_stride;
         }
     }
 
-
-        if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
-            int n=0;
-            for(i8=0; i8<4; i8++){
-                int x8 = i8&1;
-                int y8 = i8>>1;
-                int xy8 = x8+y8*b8_stride;
-                int xy4 = 3*x8+y8*b4_stride;
-                int a,b;
-
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                    continue;
-                h->sub_mb_type[i8] = sub_mb_type;
-
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
-                if(!IS_INTRA(mb_type_col[y8]) && !h->ref_list[1][0].long_ref
-                   && (   (l1ref0[xy8] == 0 && FFABS(l1mv0[xy4][0]) <= 1 && FFABS(l1mv0[xy4][1]) <= 1)
-                       || (l1ref0[xy8]  < 0 && l1ref1[xy8] == 0 && FFABS(l1mv1[xy4][0]) <= 1 && FFABS(l1mv1[xy4][1]) <= 1))){
-                    a=b=0;
-                    if(ref[0] > 0)
-                        a= mv[0];
-                    if(ref[1] > 0)
-                        b= mv[1];
-                    n++;
-                }else{
-                    a= mv[0];
-                    b= mv[1];
-                }
-                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, a, 4);
-                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, b, 4);
-            }
-            if(!is_b8x8 && !(n&3))
-                *mb_type= (*mb_type & ~(MB_TYPE_8x8|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_P1L0|MB_TYPE_P1L1))|MB_TYPE_16x16|MB_TYPE_DIRECT2;
-        }else if(IS_16X16(*mb_type)){
-            int a,b;
-
-            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
-            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
-            if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref
-               && (   (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
-                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
-                       && h->x264_build>33U))){
-                a=b=0;
-                if(ref[0] > 0)
-                    a= mv[0];
-                if(ref[1] > 0)
-                    b= mv[1];
-            }else{
-                a= mv[0];
-                b= mv[1];
+    if (IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])) {
+        int n = 0;
+        for (i8 = 0; i8 < 4; i8++) {
+            int x8  = i8 & 1;
+            int y8  = i8 >> 1;
+            int xy8 = x8     + y8 * b8_stride;
+            int xy4 = x8 * 3 + y8 * b4_stride;
+            int a, b;
+
+            if (is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
+                continue;
+            h->sub_mb_type[i8] = sub_mb_type;
+
+            fill_rectangle(&h->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,
+                           (uint8_t)ref[0], 1);
+            fill_rectangle(&h->ref_cache[1][scan8[i8 * 4]], 2, 2, 8,
+                           (uint8_t)ref[1], 1);
+            if (!IS_INTRA(mb_type_col[y8]) && !h->ref_list[1][0].long_ref &&
+                ((l1ref0[xy8] == 0 &&
+                  FFABS(l1mv0[xy4][0]) <= 1 &&
+                  FFABS(l1mv0[xy4][1]) <= 1) ||
+                 (l1ref0[xy8] < 0 &&
+                  l1ref1[xy8] == 0 &&
+                  FFABS(l1mv1[xy4][0]) <= 1 &&
+                  FFABS(l1mv1[xy4][1]) <= 1))) {
+                a =
+                b = 0;
+                if (ref[0] > 0)
+                    a = mv[0];
+                if (ref[1] > 0)
+                    b = mv[1];
+                n++;
+            } else {
+                a = mv[0];
+                b = mv[1];
             }
-            fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
-            fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
-        }else{
-            int n=0;
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
-
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                    continue;
-                h->sub_mb_type[i8] = sub_mb_type;
+            fill_rectangle(&h->mv_cache[0][scan8[i8 * 4]], 2, 2, 8, a, 4);
+            fill_rectangle(&h->mv_cache[1][scan8[i8 * 4]], 2, 2, 8, b, 4);
+        }
+        if (!is_b8x8 && !(n & 3))
+            *mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |
+                                     MB_TYPE_P1L0 | MB_TYPE_P1L1)) |
+                       MB_TYPE_16x16 | MB_TYPE_DIRECT2;
+    } else if (IS_16X16(*mb_type)) {
+        int a, b;
 
-                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, mv[0], 4);
-                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, mv[1], 4);
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
-
-                assert(b8_stride==2);
-                /* col_zero_flag */
-                if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref && (   l1ref0[i8] == 0
-                                              || (l1ref0[i8] < 0 && l1ref1[i8] == 0
-                                                  && h->x264_build>33U))){
-                    const int16_t (*l1mv)[2]= l1ref0[i8] == 0 ? l1mv0 : l1mv1;
-                    if(IS_SUB_8X8(sub_mb_type)){
-                        const int16_t *mv_col = l1mv[x8*3 + y8*3*b4_stride];
-                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
-                            if(ref[0] == 0)
-                                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                            if(ref[1] == 0)
-                                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                            n+=4;
-                        }
-                    }else{
-                        int m=0;
-                    for(i4=0; i4<4; i4++){
-                        const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*b4_stride];
-                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
-                            if(ref[0] == 0)
-                                AV_ZERO32(h->mv_cache[0][scan8[i8*4+i4]]);
-                            if(ref[1] == 0)
-                                AV_ZERO32(h->mv_cache[1][scan8[i8*4+i4]]);
+        fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
+        fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
+        if (!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref &&
+            ((l1ref0[0] == 0 &&
+              FFABS(l1mv0[0][0]) <= 1 &&
+              FFABS(l1mv0[0][1]) <= 1) ||
+             (l1ref0[0] < 0 && !l1ref1[0] &&
+              FFABS(l1mv1[0][0]) <= 1 &&
+              FFABS(l1mv1[0][1]) <= 1 &&
+              h->x264_build > 33U))) {
+            a = b = 0;
+            if (ref[0] > 0)
+                a = mv[0];
+            if (ref[1] > 0)
+                b = mv[1];
+        } else {
+            a = mv[0];
+            b = mv[1];
+        }
+        fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
+        fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
+    } else {
+        int n = 0;
+        for (i8 = 0; i8 < 4; i8++) {
+            const int x8 = i8 & 1;
+            const int y8 = i8 >> 1;
+
+            if (is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
+                continue;
+            h->sub_mb_type[i8] = sub_mb_type;
+
+            fill_rectangle(&h->mv_cache[0][scan8[i8 * 4]], 2, 2, 8, mv[0], 4);
+            fill_rectangle(&h->mv_cache[1][scan8[i8 * 4]], 2, 2, 8, mv[1], 4);
+            fill_rectangle(&h->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,
+                           (uint8_t)ref[0], 1);
+            fill_rectangle(&h->ref_cache[1][scan8[i8 * 4]], 2, 2, 8,
+                           (uint8_t)ref[1], 1);
+
+            assert(b8_stride == 2);
+            /* col_zero_flag */
+            if (!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref &&
+                (l1ref0[i8] == 0 ||
+                 (l1ref0[i8] < 0 &&
+                  l1ref1[i8] == 0 &&
+                  h->x264_build > 33U))) {
+                const int16_t (*l1mv)[2] = l1ref0[i8] == 0 ? l1mv0 : l1mv1;
+                if (IS_SUB_8X8(sub_mb_type)) {
+                    const int16_t *mv_col = l1mv[x8 * 3 + y8 * 3 * b4_stride];
+                    if (FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1) {
+                        if (ref[0] == 0)
+                            fill_rectangle(&h->mv_cache[0][scan8[i8 * 4]], 2, 2,
+                                           8, 0, 4);
+                        if (ref[1] == 0)
+                            fill_rectangle(&h->mv_cache[1][scan8[i8 * 4]], 2, 2,
+                                           8, 0, 4);
+                        n += 4;
+                    }
+                } else {
+                    int m = 0;
+                    for (i4 = 0; i4 < 4; i4++) {
+                        const int16_t *mv_col = l1mv[x8 * 2 + (i4 & 1) +
+                                                     (y8 * 2 + (i4 >> 1)) * b4_stride];
+                        if (FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1) {
+                            if (ref[0] == 0)
+                                AV_ZERO32(h->mv_cache[0][scan8[i8 * 4 + i4]]);
+                            if (ref[1] == 0)
+                                AV_ZERO32(h->mv_cache[1][scan8[i8 * 4 + i4]]);
                             m++;
                         }
                     }
-                    if(!(m&3))
-                        h->sub_mb_type[i8]+= MB_TYPE_16x16 - MB_TYPE_8x8;
-                    n+=m;
-                    }
+                    if (!(m & 3))
+                        h->sub_mb_type[i8] += MB_TYPE_16x16 - MB_TYPE_8x8;
+                    n += m;
                 }
             }
-            if(!is_b8x8 && !(n&15))
-                *mb_type= (*mb_type & ~(MB_TYPE_8x8|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_P1L0|MB_TYPE_P1L1))|MB_TYPE_16x16|MB_TYPE_DIRECT2;
         }
+        if (!is_b8x8 && !(n & 15))
+            *mb_type = (*mb_type & ~(MB_TYPE_8x8 | MB_TYPE_16x8 | MB_TYPE_8x16 |
+                                     MB_TYPE_P1L0 | MB_TYPE_P1L1)) |
+                       MB_TYPE_16x16 | MB_TYPE_DIRECT2;
+    }
 }
 
-static void pred_temp_direct_motion(H264Context * const h, int *mb_type){
+static void pred_temp_direct_motion(H264Context *const h, int *mb_type)
+{
     int b8_stride = 2;
     int b4_stride = h->b_stride;
     int mb_xy = h->mb_xy, mb_y = h->mb_y;
@@ -420,127 +469,142 @@ static void pred_temp_direct_motion(H264Context * const h, int *mb_type){
 
     assert(h->ref_list[1][0].reference & 3);
 
-    await_reference_mb_row(h, &h->ref_list[1][0], h->mb_y + !!IS_INTERLACED(*mb_type));
+    await_reference_mb_row(h, &h->ref_list[1][0],
+                           h->mb_y + !!IS_INTERLACED(*mb_type));
 
     if (IS_INTERLACED(h->ref_list[1][0].mb_type[mb_xy])) { // AFL/AFR/FR/FL -> AFL/FL
-        if (!IS_INTERLACED(*mb_type)) {                          //     AFR/FR    -> AFL/FL
-            mb_y = (h->mb_y&~1) + h->col_parity;
-            mb_xy= h->mb_x + ((h->mb_y&~1) + h->col_parity)*h->mb_stride;
+        if (!IS_INTERLACED(*mb_type)) {                    //     AFR/FR    -> AFL/FL
+            mb_y  = (h->mb_y & ~1) + h->col_parity;
+            mb_xy = h->mb_x +
+                    ((h->mb_y & ~1) + h->col_parity) * h->mb_stride;
             b8_stride = 0;
-        }else{
+        } else {
             mb_y  += h->col_fieldoff;
-            mb_xy += h->mb_stride*h->col_fieldoff; // non zero for FL -> FL & differ parity
+            mb_xy += h->mb_stride * h->col_fieldoff; // non-zero for FL -> FL & differ parity
         }
         goto single_col;
-    }else{                                               // AFL/AFR/FR/FL -> AFR/FR
-        if(IS_INTERLACED(*mb_type)){                     // AFL       /FL -> AFR/FR
-            mb_y = h->mb_y&~1;
-            mb_xy= h->mb_x + (h->mb_y&~1)*h->mb_stride;
+    } else {                                        // AFL/AFR/FR/FL -> AFR/FR
+        if (IS_INTERLACED(*mb_type)) {              // AFL       /FL -> AFR/FR
+            mb_y           = h->mb_y & ~1;
+            mb_xy          = h->mb_x + (h->mb_y & ~1) * h->mb_stride;
             mb_type_col[0] = h->ref_list[1][0].mb_type[mb_xy];
             mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy + h->mb_stride];
-            b8_stride = 2+4*h->mb_stride;
-            b4_stride *= 6;
-            if (IS_INTERLACED(mb_type_col[0]) != IS_INTERLACED(mb_type_col[1])) {
+            b8_stride      = 2 + 4 * h->mb_stride;
+            b4_stride     *= 6;
+            if (IS_INTERLACED(mb_type_col[0]) !=
+                IS_INTERLACED(mb_type_col[1])) {
                 mb_type_col[0] &= ~MB_TYPE_INTERLACED;
                 mb_type_col[1] &= ~MB_TYPE_INTERLACED;
             }
 
-            sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
+            sub_mb_type = MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 |
+                          MB_TYPE_DIRECT2;                  /* B_SUB_8x8 */
 
-            if(    (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)
-                && (mb_type_col[1] & MB_TYPE_16x16_OR_INTRA)
-                && !is_b8x8){
-                *mb_type   |= MB_TYPE_16x8 |MB_TYPE_L0L1|MB_TYPE_DIRECT2; /* B_16x8 */
-            }else{
-                *mb_type   |= MB_TYPE_8x8|MB_TYPE_L0L1;
+            if ((mb_type_col[0] & MB_TYPE_16x16_OR_INTRA) &&
+                (mb_type_col[1] & MB_TYPE_16x16_OR_INTRA) &&
+                !is_b8x8) {
+                *mb_type |= MB_TYPE_16x8 | MB_TYPE_L0L1 |
+                            MB_TYPE_DIRECT2;                /* B_16x8 */
+            } else {
+                *mb_type |= MB_TYPE_8x8 | MB_TYPE_L0L1;
             }
-        }else{                                           //     AFR/FR    -> AFR/FR
+        } else {                                    //     AFR/FR    -> AFR/FR
 single_col:
-            mb_type_col[0] =
-            mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy];
-
-            sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-            if(!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)){
-                *mb_type   |= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
-            }else if(!is_b8x8 && (mb_type_col[0] & (MB_TYPE_16x8|MB_TYPE_8x16))){
-                *mb_type   |= MB_TYPE_L0L1|MB_TYPE_DIRECT2 | (mb_type_col[0] & (MB_TYPE_16x8|MB_TYPE_8x16));
-            }else{
-                if(!h->sps.direct_8x8_inference_flag){
-                    /* FIXME save sub mb types from previous frames (or derive from MVs)
-                    * so we know exactly what block size to use */
-                    sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
+            mb_type_col[0]     =
+                mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy];
+
+            sub_mb_type = MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 |
+                          MB_TYPE_DIRECT2;                  /* B_SUB_8x8 */
+            if (!is_b8x8 && (mb_type_col[0] & MB_TYPE_16x16_OR_INTRA)) {
+                *mb_type |= MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 |
+                            MB_TYPE_DIRECT2;                /* B_16x16 */
+            } else if (!is_b8x8 &&
+                       (mb_type_col[0] & (MB_TYPE_16x8 | MB_TYPE_8x16))) {
+                *mb_type |= MB_TYPE_L0L1 | MB_TYPE_DIRECT2 |
+                            (mb_type_col[0] & (MB_TYPE_16x8 | MB_TYPE_8x16));
+            } else {
+                if (!h->sps.direct_8x8_inference_flag) {
+                    /* FIXME: save sub mb types from previous frames (or derive
+                     * from MVs) so we know exactly what block size to use */
+                    sub_mb_type = MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 |
+                                  MB_TYPE_DIRECT2;          /* B_SUB_4x4 */
                 }
-                *mb_type   |= MB_TYPE_8x8|MB_TYPE_L0L1;
+                *mb_type |= MB_TYPE_8x8 | MB_TYPE_L0L1;
             }
         }
     }
 
     await_reference_mb_row(h, &h->ref_list[1][0], mb_y);
 
-    l1mv0  = &h->ref_list[1][0].motion_val[0][h->mb2b_xy [mb_xy]];
-    l1mv1  = &h->ref_list[1][0].motion_val[1][h->mb2b_xy [mb_xy]];
-    l1ref0 = &h->ref_list[1][0].ref_index [0][4 * mb_xy];
-    l1ref1 = &h->ref_list[1][0].ref_index [1][4 * mb_xy];
-    if(!b8_stride){
-        if(h->mb_y&1){
+    l1mv0  = &h->ref_list[1][0].motion_val[0][h->mb2b_xy[mb_xy]];
+    l1mv1  = &h->ref_list[1][0].motion_val[1][h->mb2b_xy[mb_xy]];
+    l1ref0 = &h->ref_list[1][0].ref_index[0][4 * mb_xy];
+    l1ref1 = &h->ref_list[1][0].ref_index[1][4 * mb_xy];
+    if (!b8_stride) {
+        if (h->mb_y & 1) {
             l1ref0 += 2;
             l1ref1 += 2;
-            l1mv0  +=  2*b4_stride;
-            l1mv1  +=  2*b4_stride;
+            l1mv0  += 2 * b4_stride;
+            l1mv1  += 2 * b4_stride;
         }
     }
 
     {
-        const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
+        const int *map_col_to_list0[2] = { h->map_col_to_list0[0],
+                                           h->map_col_to_list0[1] };
         const int *dist_scale_factor = h->dist_scale_factor;
         int ref_offset;
 
         if (FRAME_MBAFF(h) && IS_INTERLACED(*mb_type)) {
-            map_col_to_list0[0] = h->map_col_to_list0_field[h->mb_y&1][0];
-            map_col_to_list0[1] = h->map_col_to_list0_field[h->mb_y&1][1];
-            dist_scale_factor   =h->dist_scale_factor_field[h->mb_y&1];
+            map_col_to_list0[0] = h->map_col_to_list0_field[h->mb_y & 1][0];
+            map_col_to_list0[1] = h->map_col_to_list0_field[h->mb_y & 1][1];
+            dist_scale_factor   = h->dist_scale_factor_field[h->mb_y & 1];
         }
-        ref_offset = (h->ref_list[1][0].mbaff<<4) & (mb_type_col[0]>>3);
+        ref_offset = (h->ref_list[1][0].mbaff << 4) & (mb_type_col[0] >> 3);
 
-        if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
-            int y_shift  = 2*!IS_INTERLACED(*mb_type);
+        if (IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])) {
+            int y_shift = 2 * !IS_INTERLACED(*mb_type);
             assert(h->sps.direct_8x8_inference_flag);
 
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
+            for (i8 = 0; i8 < 4; i8++) {
+                const int x8 = i8 & 1;
+                const int y8 = i8 >> 1;
                 int ref0, scale;
-                const int16_t (*l1mv)[2]= l1mv0;
+                const int16_t (*l1mv)[2] = l1mv0;
 
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
+                if (is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
                     continue;
                 h->sub_mb_type[i8] = sub_mb_type;
 
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
-                if(IS_INTRA(mb_type_col[y8])){
-                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                    fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
+                fill_rectangle(&h->ref_cache[1][scan8[i8 * 4]], 2, 2, 8, 0, 1);
+                if (IS_INTRA(mb_type_col[y8])) {
+                    fill_rectangle(&h->ref_cache[0][scan8[i8 * 4]], 2, 2, 8, 0, 1);
+                    fill_rectangle(&h->mv_cache[0][scan8[i8 * 4]], 2, 2, 8, 0, 4);
+                    fill_rectangle(&h->mv_cache[1][scan8[i8 * 4]], 2, 2, 8, 0, 4);
                     continue;
                 }
 
-                ref0 = l1ref0[x8 + y8*b8_stride];
-                if(ref0 >= 0)
+                ref0 = l1ref0[x8 + y8 * b8_stride];
+                if (ref0 >= 0)
                     ref0 = map_col_to_list0[0][ref0 + ref_offset];
-                else{
-                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride] + ref_offset];
-                    l1mv= l1mv1;
+                else {
+                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8 * b8_stride] +
+                                               ref_offset];
+                    l1mv = l1mv1;
                 }
                 scale = dist_scale_factor[ref0];
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
+                fill_rectangle(&h->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,
+                               ref0, 1);
 
                 {
-                    const int16_t *mv_col = l1mv[x8*3 + y8*b4_stride];
-                    int my_col = (mv_col[1]<<y_shift)/2;
-                    int mx = (scale * mv_col[0] + 128) >> 8;
-                    int my = (scale * my_col + 128) >> 8;
-                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
-                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
+                    const int16_t *mv_col = l1mv[x8 * 3 + y8 * b4_stride];
+                    int my_col            = (mv_col[1] << y_shift) / 2;
+                    int mx                = (scale * mv_col[0] + 128) >> 8;
+                    int my                = (scale * my_col    + 128) >> 8;
+                    fill_rectangle(&h->mv_cache[0][scan8[i8 * 4]], 2, 2, 8,
+                                   pack16to32(mx, my), 4);
+                    fill_rectangle(&h->mv_cache[1][scan8[i8 * 4]], 2, 2, 8,
+                                   pack16to32(mx - mv_col[0], my - my_col), 4);
                 }
             }
             return;
@@ -548,13 +612,13 @@ single_col:
 
         /* one-to-one mv scaling */
 
-        if(IS_16X16(*mb_type)){
+        if (IS_16X16(*mb_type)) {
             int ref, mv0, mv1;
 
             fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
-            if(IS_INTRA(mb_type_col[0])){
-                ref=mv0=mv1=0;
-            }else{
+            if (IS_INTRA(mb_type_col[0])) {
+                ref = mv0 = mv1 = 0;
+            } else {
                 const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0] + ref_offset]
                                                 : map_col_to_list0[1][l1ref1[0] + ref_offset];
                 const int scale = dist_scale_factor[ref0];
@@ -562,66 +626,72 @@ single_col:
                 int mv_l0[2];
                 mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
                 mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
-                ref= ref0;
-                mv0= pack16to32(mv_l0[0],mv_l0[1]);
-                mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
+                ref      = ref0;
+                mv0      = pack16to32(mv_l0[0], mv_l0[1]);
+                mv1      = pack16to32(mv_l0[0] - mv_col[0], mv_l0[1] - mv_col[1]);
             }
             fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
-            fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
-            fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
-        }else{
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
+            fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
+            fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
+        } else {
+            for (i8 = 0; i8 < 4; i8++) {
+                const int x8 = i8 & 1;
+                const int y8 = i8 >> 1;
                 int ref0, scale;
-                const int16_t (*l1mv)[2]= l1mv0;
+                const int16_t (*l1mv)[2] = l1mv0;
 
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
+                if (is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
                     continue;
                 h->sub_mb_type[i8] = sub_mb_type;
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
-                if(IS_INTRA(mb_type_col[0])){
-                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                    fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
+                fill_rectangle(&h->ref_cache[1][scan8[i8 * 4]], 2, 2, 8, 0, 1);
+                if (IS_INTRA(mb_type_col[0])) {
+                    fill_rectangle(&h->ref_cache[0][scan8[i8 * 4]], 2, 2, 8, 0, 1);
+                    fill_rectangle(&h->mv_cache[0][scan8[i8 * 4]], 2, 2, 8, 0, 4);
+                    fill_rectangle(&h->mv_cache[1][scan8[i8 * 4]], 2, 2, 8, 0, 4);
                     continue;
                 }
 
                 assert(b8_stride == 2);
                 ref0 = l1ref0[i8];
-                if(ref0 >= 0)
+                if (ref0 >= 0)
                     ref0 = map_col_to_list0[0][ref0 + ref_offset];
-                else{
+                else {
                     ref0 = map_col_to_list0[1][l1ref1[i8] + ref_offset];
-                    l1mv= l1mv1;
+                    l1mv = l1mv1;
                 }
                 scale = dist_scale_factor[ref0];
 
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
-                if(IS_SUB_8X8(sub_mb_type)){
-                    const int16_t *mv_col = l1mv[x8*3 + y8*3*b4_stride];
-                    int mx = (scale * mv_col[0] + 128) >> 8;
-                    int my = (scale * mv_col[1] + 128) >> 8;
-                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
-                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
-                }else
-                for(i4=0; i4<4; i4++){
-                    const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*b4_stride];
-                    int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
-                    mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
-                    mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
-                    AV_WN32A(h->mv_cache[1][scan8[i8*4+i4]],
-                        pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]));
+                fill_rectangle(&h->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,
+                               ref0, 1);
+                if (IS_SUB_8X8(sub_mb_type)) {
+                    const int16_t *mv_col = l1mv[x8 * 3 + y8 * 3 * b4_stride];
+                    int mx                = (scale * mv_col[0] + 128) >> 8;
+                    int my                = (scale * mv_col[1] + 128) >> 8;
+                    fill_rectangle(&h->mv_cache[0][scan8[i8 * 4]], 2, 2, 8,
+                                   pack16to32(mx, my), 4);
+                    fill_rectangle(&h->mv_cache[1][scan8[i8 * 4]], 2, 2, 8,
+                                   pack16to32(mx - mv_col[0], my - mv_col[1]), 4);
+                } else {
+                    for (i4 = 0; i4 < 4; i4++) {
+                        const int16_t *mv_col = l1mv[x8 * 2 + (i4 & 1) +
+                                                     (y8 * 2 + (i4 >> 1)) * b4_stride];
+                        int16_t *mv_l0 = h->mv_cache[0][scan8[i8 * 4 + i4]];
+                        mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
+                        mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
+                        AV_WN32A(h->mv_cache[1][scan8[i8 * 4 + i4]],
+                                 pack16to32(mv_l0[0] - mv_col[0],
+                                            mv_l0[1] - mv_col[1]));
+                    }
                 }
             }
         }
     }
 }
 
-void ff_h264_pred_direct_motion(H264Context * const h, int *mb_type){
-    if(h->direct_spatial_mv_pred){
+void ff_h264_pred_direct_motion(H264Context *const h, int *mb_type)
+{
+    if (h->direct_spatial_mv_pred)
         pred_spatial_direct_motion(h, mb_type);
-    }else{
+    else
         pred_temp_direct_motion(h, mb_type);
-    }
 }