#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
+#include "mpegvideo_common.h"
#include "mpeg12.h"
#include "mpeg12data.h"
}
} else {
for(i=0;i<6;i++) {
- if (ff_mpeg1_decode_block_intra(s, *s->pblocks[i], i) < 0)
+ if (mpeg1_decode_block_intra(s, *s->pblocks[i], i) < 0)
return -1;
}
}
return val;
}
-inline int ff_mpeg1_decode_block_intra(MpegEncContext *s,
+static inline int mpeg1_decode_block_intra(MpegEncContext *s,
DCTELEM *block,
int n)
{
return 0;
}
+int ff_mpeg1_decode_block_intra(MpegEncContext *s,
+ DCTELEM *block,
+ int n)
+{
+ return mpeg1_decode_block_intra(s, block, n);
+}
+
static inline int mpeg1_decode_block_inter(MpegEncContext *s,
DCTELEM *block,
int n)
int drop_frame_flag;
int time_code_hours, time_code_minutes;
int time_code_seconds, time_code_pictures;
- int closed_gop, broken_link;
+ int broken_link;
init_get_bits(&s->gb, buf, buf_size*8);
time_code_seconds = get_bits(&s->gb,6);
time_code_pictures = get_bits(&s->gb,6);
- closed_gop = get_bits1(&s->gb);
+ s->closed_gop = get_bits1(&s->gb);
/*broken_link indicate that after editing the
reference frames of the first B-Frames after GOP I-Frame
are missing (open gop)*/
if(s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_DEBUG, "GOP (%2d:%02d:%02d.[%02d]) closed_gop=%d broken_link=%d\n",
time_code_hours, time_code_minutes, time_code_seconds,
- time_code_pictures, closed_gop, broken_link);
+ time_code_pictures, s->closed_gop, broken_link);
}
/**
* Finds the end of the current frame in the bitstream.
int mb_y= start_code - SLICE_MIN_START_CODE;
if(s2->last_picture_ptr==NULL){
- /* Skip B-frames if we do not have reference frames. */
- if(s2->pict_type==FF_B_TYPE) break;
+ /* Skip B-frames if we do not have reference frames and gop is not closed */
+ if(s2->pict_type==FF_B_TYPE){
+ int i;
+ if(!s2->closed_gop)
+ break;
+ /* Allocate a dummy frame */
+ i= ff_find_unused_picture(s2, 0);
+ s2->last_picture_ptr= &s2->picture[i];
+ if(alloc_picture(s2, s2->last_picture_ptr, 0) < 0)
+ return -1;
+ }
}
if(s2->next_picture_ptr==NULL){
/* Skip P-frames if we do not have a reference frame or we have an invalid header. */