Correct time_base of H.264 and repeat_pict.

Patch by Ivan Schreter, schreter gmx net

Originally committed as revision 17571 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h264.c

@@ -3763,7 +3763,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
             s->avctx->sample_aspect_ratio.den = 1;
 
         if(h->sps.timing_info_present_flag){
-            s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale};
+            s->avctx->time_base= (AVRational){h->sps.num_units_in_tick, h->sps.time_scale};
             if(h->x264_build > 0 && h->x264_build < 44)
                 s->avctx->time_base.den *= 2;
             av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,

libavcodec/h264_parser.c

@@ -196,29 +196,29 @@ static inline int parse_nal_units(AVCodecParserContext *s,
                 switch (h->sei_pic_struct) {
                     case SEI_PIC_STRUCT_TOP_FIELD:
                     case SEI_PIC_STRUCT_BOTTOM_FIELD:
-                        s->repeat_pict = -1;
+                        s->repeat_pict = 0;
                         break;
                     case SEI_PIC_STRUCT_FRAME:
                     case SEI_PIC_STRUCT_TOP_BOTTOM:
                     case SEI_PIC_STRUCT_BOTTOM_TOP:
-                        s->repeat_pict = 0;
+                        s->repeat_pict = 1;
                         break;
                     case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
                     case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
-                        s->repeat_pict = 1;
+                        s->repeat_pict = 2;
                         break;
                     case SEI_PIC_STRUCT_FRAME_DOUBLING:
-                        s->repeat_pict = 2;
+                        s->repeat_pict = 3;
                         break;
                     case SEI_PIC_STRUCT_FRAME_TRIPLING:
-                        s->repeat_pict = 4;
+                        s->repeat_pict = 5;
                         break;
                     default:
-                        s->repeat_pict = h->s.picture_structure == PICT_FRAME ? 0 : -1;
+                        s->repeat_pict = h->s.picture_structure == PICT_FRAME ? 1 : 0;
                         break;
                 }
             } else {
-                s->repeat_pict = h->s.picture_structure == PICT_FRAME ? 0 : -1;
+                s->repeat_pict = h->s.picture_structure == PICT_FRAME ? 1 : 0;
             }
 
             return 0; /* no need to evaluate the rest */