[FFmpeg-cvslog] avformat/mov: calculate rfps from the first 100 frames of the index

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Dec  5 17:38:25 2013 +0100| [e2bf00ce4643ea3c09b146831dec485acedf6072] | committer: Michael Niedermayer

avformat/mov: calculate rfps from the first 100 frames of the index

This reduces the amount of frames that need to be demuxed in av_find_stream_info()

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e2bf00ce4643ea3c09b146831dec485acedf6072
---

 libavformat/mov.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 94bd32f..7c0c897 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -2159,6 +2159,8 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
                     av_dlog(mov->fc, "AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", "
                             "size %d, distance %d, keyframe %d\n", st->index, current_sample,
                             current_offset, current_dts, sample_size, distance, keyframe);
+                    if (st->nb_index_entries < 100)
+                        ff_rfps_add_frame(mov->fc, st, current_dts);
                 }
 
                 current_offset += sample_size;
@@ -3410,6 +3412,8 @@ static int mov_read_header(AVFormatContext *s)
         }
     }
 
+    ff_rfps_calculate(s);
+
     return 0;
 }