[FFmpeg-devel] [PATCH] avformat/rmdec: very basic MLTI support

Michael Niedermayer michaelni at gmx.at
Tue Sep 9 01:09:49 CEST 2014


Fixes Ticket2152

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libavformat/rmdec.c |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c
index f53ab8c..5d9c9b5 100644
--- a/libavformat/rmdec.c
+++ b/libavformat/rmdec.c
@@ -315,6 +315,21 @@ ff_rm_read_mdpr_codecdata (AVFormatContext *s, AVIOContext *pb,
     avpriv_set_pts_info(st, 64, 1, 1000);
     codec_pos = avio_tell(pb);
     v = avio_rb32(pb);
+
+    if (v == MKBETAG('M', 'L', 'T', 'I')) {
+        int number_of_streams = avio_rb16(pb);
+        int number_of_mdpr;
+        int i;
+        for (i = 0; i<number_of_streams; i++)
+            avio_rb16(pb);
+        number_of_mdpr = avio_rb16(pb);
+        if (number_of_mdpr != 1) {
+            avpriv_request_sample(s, "MLTI with multiple MDPR");
+        }
+        avio_rb32(pb);
+        v = avio_rb32(pb);
+    }
+
     if (v == MKTAG(0xfd, 'a', 'r', '.')) {
         /* ra type header */
         if (rm_read_audio_stream_info(s, pb, st, rst, 0))
-- 
1.7.9.5



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