lavc: export Dirac parsing API used by the ogg demuxer as public

[ffmpeg] / libavformat / oggparseogm.c

diff --git a/libavformat/oggparseogm.c b/libavformat/oggparseogm.c
index 56ea5575f2b12195863a1325a51b5b31ffce99e1..913282ab36e3e44fd0f5007a39a94a8b36dc56e4 100644 (file)
--- a/libavformat/oggparseogm.c
+++ b/libavformat/oggparseogm.c
@@ -75,6 +75,11 @@ ogm_header(AVFormatContext *s, int idx)
 
         time_unit   = bytestream2_get_le64(&p);
         spu         = bytestream2_get_le64(&p);
+        if (!time_unit || !spu) {
+            av_log(s, AV_LOG_ERROR, "Invalid timing values.\n");
+            return AVERROR_INVALIDDATA;
+        }
+
         bytestream2_skip(&p, 4);    /* default_len */
         bytestream2_skip(&p, 8);    /* buffersize + bits_per_sample */
 
@@ -92,7 +97,7 @@ ogm_header(AVFormatContext *s, int idx)
     } else if (bytestream2_peek_byte(&p) == 3) {
         bytestream2_skip(&p, 7);
         if (bytestream2_get_bytes_left(&p) > 1)
-            ff_vorbis_comment(s, &st->metadata, p.buffer, bytestream2_get_bytes_left(&p) - 1);
+            ff_vorbis_stream_comment(s, st, p.buffer, bytestream2_get_bytes_left(&p) - 1);
     }
 
     return 1;