add 'wide' reversed tag in probe, detect broken xdcam files xdcam_hd_1080i60.mov

[ffmpeg] / libavformat / asf.c

diff --git a/libavformat/asf.c b/libavformat/asf.c
index 498f6e79ea2670d7b1eaa0bd56b74badcb3c25aa..009dd7a94cb483cad501e46318f2111677e284ad 100644 (file)
--- a/libavformat/asf.c
+++ b/libavformat/asf.c
@@ -119,9 +119,6 @@ static void get_str16_nolen(ByteIOContext *pb, int len, char *buf, int buf_size)
 static int asf_probe(AVProbeData *pd)
 {
     /* check file header */
-    if (pd->buf_size <= 32)
-        return 0;
-
     if (!memcmp(pd->buf, &asf_header, sizeof(GUID)))
         return AVPROBE_SCORE_MAX;
     else
@@ -198,7 +195,7 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
             uint64_t total_size;
             unsigned int tag1;
             int64_t pos1, pos2;
-            int test_for_ext_stream_audio;
+            int test_for_ext_stream_audio, is_dvr_ms_audio=0;
 
             pos1 = url_ftell(pb);
 
@@ -244,6 +241,7 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
                 get_guid(pb, &g);
                 if (!memcmp(&g, &ext_stream_audio_stream, sizeof(GUID))) {
                     type = CODEC_TYPE_AUDIO;
+                    is_dvr_ms_audio=1;
                     get_guid(pb, &g);
                     get_le32(pb);
                     get_le32(pb);
@@ -256,7 +254,13 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
             st->codec->codec_type = type;
             if (type == CODEC_TYPE_AUDIO) {
                 get_wav_header(pb, st->codec, type_specific_size);
-                st->need_parsing = 1;
+                if (is_dvr_ms_audio) {
+                    // codec_id and codec_tag are unreliable in dvr_ms
+                    // files. Set them later by probing stream.
+                    st->codec->codec_id = CODEC_ID_NONE;
+                    st->codec->codec_tag = 0;
+                }
+                st->need_parsing = AVSTREAM_PARSE_FULL;
                 /* We have to init the frame size at some point .... */
                 pos2 = url_ftell(pb);
                 if (gsize >= (pos2 + 8 - pos1 + 24)) {
@@ -333,7 +337,7 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
                 st->codec->codec_tag = tag1;
                 st->codec->codec_id = codec_get_id(codec_bmp_tags, tag1);
                 if(tag1 == MKTAG('D', 'V', 'R', ' '))
-                    st->need_parsing = 1;
+                    st->need_parsing = AVSTREAM_PARSE_FULL;
             }
             pos2 = url_ftell(pb);
             url_fskip(pb, gsize - (pos2 - pos1 + 24));