diff options
Diffstat (limited to 'gst/qtdemux/qtdemux.c')
| -rw-r--r-- | gst/qtdemux/qtdemux.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/gst/qtdemux/qtdemux.c b/gst/qtdemux/qtdemux.c index b6ee29be..e62fba0c 100644 --- a/gst/qtdemux/qtdemux.c +++ b/gst/qtdemux/qtdemux.c @@ -1876,6 +1876,9 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak) tkhd = qtdemux_tree_get_child_by_type (trak, FOURCC_tkhd); g_assert (tkhd); + GST_LOG ("track[tkhd] version/flags: 0x%08x", + QTDEMUX_GUINT32_GET (tkhd->data + 8)); + /* track duration? */ mdia = qtdemux_tree_get_child_by_type (trak, FOURCC_mdia); @@ -1885,7 +1888,21 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak) g_assert (mdhd); stream->timescale = QTDEMUX_GUINT32_GET (mdhd->data + 20); - GST_INFO ("track timescale: %d", stream->timescale); + GST_LOG ("track timescale: %d", stream->timescale); + GST_LOG ("track duration: %d", QTDEMUX_GUINT32_GET (mdhd->data + 24)); + + /* HACK: + * some of those trailers, nowadays, have prologue images that are + * themselves vide tracks as well. I haven't really found a way to + * identify those yet, except for just looking at their duration. */ + if ((guint64) QTDEMUX_GUINT32_GET (mdhd->data + 24) * + qtdemux->timescale * 10 / (stream->timescale * qtdemux->duration) < 2) { + GST_WARNING ("Track shorter than 20%% (%d/%d vs. %d/%d) of the stream " + "found, assuming preview image or something; skipping track", + QTDEMUX_GUINT32_GET (mdhd->data + 24), stream->timescale, + qtdemux->duration, qtdemux->timescale); + return; + } hdlr = qtdemux_tree_get_child_by_type (mdia, FOURCC_hdlr); g_assert (hdlr); |