742         if (s->picture_structure == PICT_FRAME &&  in mpeg_decode_mb()
751             if (s->picture_structure != PICT_FRAME)  in mpeg_decode_mb()
800             if (s->picture_structure == PICT_FRAME) {  in mpeg_decode_mb()
801                 if (s->picture_structure == PICT_FRAME  in mpeg_decode_mb()
824             if (s->picture_structure == PICT_FRAME && s->frame_pred_frame_dct) {  in mpeg_decode_mb()
828                 if (s->picture_structure == PICT_FRAME && HAS_CBP(mb_type))  in mpeg_decode_mb()
840                 if (s->picture_structure == PICT_FRAME) {  in mpeg_decode_mb()
884                 if (s->picture_structure == PICT_FRAME) {  in mpeg_decode_mb()
929                         const int my_shift = s->picture_structure == PICT_FRAME;  in mpeg_decode_mb()
949                         if (s->picture_structure == PICT_FRAME) {  in mpeg_decode_mb()
1454         if (s->picture_structure == PICT_FRAME) {  in mpeg_decode_picture_display_extension()
1587     if (s->first_field || s->picture_structure == PICT_FRAME) {  in mpeg_field_start()
1692     const int field_pic   = s->picture_structure != PICT_FRAME;  in mpeg_decode_slice()
1764     if (s->mb_y == 0 && s->mb_x == 0 && (s->first_field || s->picture_structure == PICT_FRAME)) {  in mpeg_decode_slice()
1927                 if (s->picture_structure == PICT_FRAME)  in mpeg_decode_slice()
1965     const int field_pic = s->picture_structure != PICT_FRAME;  in slice_decode_thread()
2132     s->picture_structure    = PICT_FRAME;  in mpeg1_decode_sequence()
2186     s->picture_structure     = PICT_FRAME;  in vcr2_init_sequence()
2506             if (picture_start_code_seen && s2->picture_structure == PICT_FRAME) {  in decode_chunks()
2619                     (s2->progressive_frame && s2->picture_structure != PICT_FRAME)) {  in decode_chunks()
2623                     s2->picture_structure = PICT_FRAME;  in decode_chunks()
2629                 if (s2->picture_structure == PICT_FRAME) {  in decode_chunks()
2640                 const int field_pic = s2->picture_structure != PICT_FRAME;  in decode_chunks()