Merge remote branch 'official/master'

[coroid/ffmpeg_saccubus.git] / libavformat / mov.c

diff --git a/libavformat/mov.c b/libavformat/mov.c
index fdb29a0..5464b78 100644 (file)
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -478,8 +478,7 @@ int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom)
     avio_rb32(pb); /* version + flags */
     ff_mp4_read_descr(fc, pb, &tag);
     if (tag == MP4ESDescrTag) {
-        avio_rb16(pb); /* ID */
-        avio_r8(pb); /* priority */
+        ff_mp4_parse_es_descr(pb, NULL);
     } else
         avio_rb16(pb); /* ID */
 
@@ -1194,7 +1193,18 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
             st->codec->width = sc->width;
             st->codec->height = sc->height;
         } else {
-            /* other codec type, just skip (rtp, mp4s, tmcd ...) */
+            if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
+                int val;
+                avio_rb32(pb);       /* reserved */
+                val = avio_rb32(pb); /* flags */
+                if (val & 1)
+                    st->codec->flags2 |= CODEC_FLAG2_DROP_FRAME_TIMECODE;
+                avio_rb32(pb);
+                avio_rb32(pb);
+                st->codec->time_base.den = get_byte(pb);
+                st->codec->time_base.num = 1;
+            }
+            /* other codec type, just skip (rtp, mp4s, ...) */
             avio_skip(pb, size - (avio_tell(pb) - start_pos));
         }
         /* this will read extra atoms at the end (wave, alac, damr, avcC, SMI ...) */
@@ -1471,6 +1481,11 @@ static int mov_read_stts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 
         sample_count=avio_rb32(pb);
         sample_duration = avio_rb32(pb);
+        /* sample_duration < 0 is invalid based on the spec */
+        if (sample_duration < 0) {
+            av_log(c->fc, AV_LOG_ERROR, "Invalid SampleDelta in STTS %d", sample_duration);
+            sample_duration = 1;
+        }
         sc->stts_data[i].count= sample_count;
         sc->stts_data[i].duration= sample_duration;