mxfdec: Only use the new demuxing logic for OPAtom

This is a stopgap for ticket #746.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/mxfdec.c

@@ -433,7 +433,7 @@ static int mxf_read_packet(AVFormatContext *s, AVPacket *pkt)
 
     /* TODO: better logic for this?
      * only files that lack all index segments prior to the essence need this */
-    if (!s->pb->seekable && mxf->op != OPAtom || mxf->d10 || mxf->broken_index)
+    if (mxf->op != OPAtom)
         return mxf_read_packet_old(s, pkt);
 
     if (mxf->current_stream >= s->nb_streams) {
@@ -1761,7 +1761,7 @@ static int mxf_read_seek(AVFormatContext *s, int stream_index, int64_t sample_ti
     int64_t seekpos;
     int index;
 
-    if (mxf->d10) {
+    if (mxf->op != OPAtom) {
     if (!s->bit_rate)
         return -1;
     if (sample_time < 0)

tests/ref/seek/lavf_mxf

@@ -2,47 +2,52 @@ ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
 ret: 0         st:-1 flags:0  ts:-1.000000
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
+ret:-1
 ret: 0         st: 0 flags:0  ts: 0.800000
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
+ret:-1
 ret: 0         st: 0 flags:1  ts:-0.320000
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
-ret:-1         st: 1 flags:0  ts: 2.560000
+ret: 0         st: 1 flags:0  ts: 2.560000
+ret:-1
 ret: 0         st: 1 flags:1  ts: 1.480000
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
+ret:-1
 ret: 0         st:-1 flags:0  ts: 0.365002
-ret: 0         st: 0 flags:1 dts: 0.400000 pts: NOPTS    pos: 211968 size: 24787
+ret: 0         st: 0 flags:1 dts: 0.360000 pts: NOPTS    pos:   6144 size: 24801
 ret: 0         st:-1 flags:1  ts:-0.740831
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
-ret:-1         st: 0 flags:0  ts: 2.160000
+ret: 0         st: 0 flags:0  ts: 2.160000
+ret:-1
 ret: 0         st: 0 flags:1  ts: 1.040000
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
+ret:-1
 ret: 0         st: 1 flags:0  ts:-0.040000
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
 ret: 0         st: 1 flags:1  ts: 2.840000
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
-ret:-1         st:-1 flags:0  ts: 1.730004
+ret:-1
+ret: 0         st:-1 flags:0  ts: 1.730004
+ret:-1
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.400000 pts: NOPTS    pos: 211968 size: 24787
+ret:-1
 ret: 0         st: 0 flags:0  ts:-0.480000
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
 ret: 0         st: 0 flags:1  ts: 2.400000
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
-ret:-1         st: 1 flags:0  ts: 1.320000
+ret:-1
+ret: 0         st: 1 flags:0  ts: 1.320000
+ret:-1
 ret: 0         st: 1 flags:1  ts: 0.200000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
+ret: 0         st: 0 flags:1 dts: 0.200000 pts: NOPTS    pos:   6144 size: 24801
 ret: 0         st:-1 flags:0  ts:-0.904994
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
 ret: 0         st:-1 flags:1  ts: 1.989173
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
+ret:-1
 ret: 0         st: 0 flags:0  ts: 0.880000
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
+ret:-1
 ret: 0         st: 0 flags:1  ts:-0.240000
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
-ret:-1         st: 1 flags:0  ts: 2.680000
+ret: 0         st: 1 flags:0  ts: 2.680000
+ret:-1
 ret: 0         st: 1 flags:1  ts: 1.560000
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
+ret:-1
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.880000 pts: NOPTS    pos: 460800 size: 24712
+ret: 0         st: 0 flags:1 dts: 0.480000 pts: NOPTS    pos:   6144 size: 24801
 ret: 0         st:-1 flags:1  ts:-0.645825
 ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801