[FFmpeg-cvslog] mov: Use defines for sample flags in fragments

[Martin Storsjö]

ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Thu Feb 16 21:12:12 2012 +0100| [5be805d38cb43e6f0b85941f75946d09bc8cc13f] | committer: Martin Storsjö

mov: Use defines for sample flags in fragments

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5be805d38cb43e6f0b85941f75946d09bc8cc13f
---

 libavformat/isom.h   |   10 ++++++++++
 libavformat/mov.c    |    2 +-
 libavformat/movenc.c |    6 ++++--
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/libavformat/isom.h b/libavformat/isom.h
index 88cda27..32c4b3f 100644
--- a/libavformat/isom.h
+++ b/libavformat/isom.h
@@ -171,6 +171,16 @@ void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id);
 #define MOV_TRUN_SAMPLE_FLAGS          0x400
 #define MOV_TRUN_SAMPLE_CTS            0x800
 
+#define MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK 0x0000ffff
+#define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC               0x00010000
+#define MOV_FRAG_SAMPLE_FLAG_PADDING_MASK              0x000e0000
+#define MOV_FRAG_SAMPLE_FLAG_REDUNDANCY_MASK           0x00300000
+#define MOV_FRAG_SAMPLE_FLAG_DEPENDED_MASK             0x00c00000
+#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_MASK              0x03000000
+
+#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO                0x02000000
+#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES               0x01000000
+
 int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom);
 enum CodecID ff_mov_get_lpcm_codec_id(int bps, int flags);
 
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 5f1302d..fbc7223 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -2282,7 +2282,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom)
                                                   avio_rb32(pb) : 0;
         sc->ctts_count++;
         if ((keyframe = st->codec->codec_type == AVMEDIA_TYPE_AUDIO ||
-             (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS && !i && !(sample_flags & 0xffff0000)) || sample_flags & 0x2000000))
+             (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS && !i && !(sample_flags & ~MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK)) || sample_flags & MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO))
             distance = 0;
         av_add_index_entry(st, offset, dts, sample_size, distance,
                            keyframe ? AVINDEX_KEYFRAME : 0);
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 22c9183..30c3061 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -2214,7 +2214,8 @@ static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
     if (flags & MOV_TFHD_DEFAULT_FLAGS) {
         track->default_sample_flags =
             track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
-            0x01010000 : 0x02000000;
+            (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
+            MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
         avio_wb32(pb, track->default_sample_flags);
     }
 
@@ -2223,7 +2224,8 @@ static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
 
 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
 {
-    return entry->flags & MOV_SYNC_SAMPLE ? 0x02000000 : 0x01010000;
+    return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
+           (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
 }
 
 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)