[FFmpeg-cvslog] lavf/utils: Support av_index_search_timestamp in case of AVIndexEntry with discarded packets.

[Sasi Inguva]

ffmpeg | branch: master | Sasi Inguva <isasi-at-google.com at ffmpeg.org> | Thu Sep 15 13:36:18 2016 -0700| [b518d809f16359945eded03c2504641a7f497532] | committer: Michael Niedermayer

lavf/utils: Support av_index_search_timestamp in case of AVIndexEntry with discarded packets.

Signed-off-by: Sasi Inguva <isasi at google.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b518d809f16359945eded03c2504641a7f497532
---

 libavformat/utils.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index d605a96..f043bae 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1937,6 +1937,16 @@ int ff_index_search_timestamp(const AVIndexEntry *entries, int nb_entries,
 
     while (b - a > 1) {
         m         = (a + b) >> 1;
+
+        // Search for the next non-discarded packet.
+        while ((entries[m].flags & AVINDEX_DISCARD_FRAME) && m < b) {
+            m++;
+            if (m == b && entries[m].timestamp >= wanted_timestamp) {
+                m = b - 1;
+                break;
+            }
+        }
+
         timestamp = entries[m].timestamp;
         if (timestamp >= wanted_timestamp)
             b = m;