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avidemux: debug_memdump() unknown tags. Refactor junk parsing code.

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This makes life slightly easier when debugging avi files.
This commit is contained in:
Edward Hervey 2009-06-09 10:38:52 +02:00
parent 6eec2a060d
commit 5e0a2296e0
1 changed files with 47 additions and 28 deletions
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25
gst/avi/gstavidemux.c
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@ -3162,6 +3162,8 @@ gst_avi_demux_stream_header_pull (GstAviDemux * avi)
GST_WARNING_OBJECT (avi,
"Unknown list %" GST_FOURCC_FORMAT " in AVI header",
GST_FOURCC_ARGS (fourcc));
GST_MEMDUMP_OBJECT (avi, "Unknown list", GST_BUFFER_DATA (sub),
GST_BUFFER_SIZE (sub));
/* fall-through */
case GST_RIFF_TAG_JUNK:
goto next;
@ -3172,6 +3174,8 @@ gst_avi_demux_stream_header_pull (GstAviDemux * avi)
GST_WARNING_OBJECT (avi,
"Unknown tag %" GST_FOURCC_FORMAT " in AVI header at off %d",
GST_FOURCC_ARGS (tag), offset);
GST_MEMDUMP_OBJECT (avi, "Unknown tag", GST_BUFFER_DATA (sub),
GST_BUFFER_SIZE (sub));
/* fall-through */
case GST_RIFF_TAG_JUNK:
next:
@ -3215,14 +3219,18 @@ gst_avi_demux_stream_header_pull (GstAviDemux * avi)
tag = GST_READ_UINT32_LE (GST_BUFFER_DATA (buf));
size = GST_READ_UINT32_LE (GST_BUFFER_DATA (buf) + 4);
ltag = GST_READ_UINT32_LE (GST_BUFFER_DATA (buf) + 8);
gst_buffer_unref (buf);
GST_DEBUG ("tag %" GST_FOURCC_FORMAT ", size %u",
GST_FOURCC_ARGS (tag), size);
GST_MEMDUMP ("Tag content", GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
gst_buffer_unref (buf);
if (tag == GST_RIFF_TAG_LIST) {
switch (tag) {
case GST_RIFF_TAG_LIST:{
switch (ltag) {
case GST_RIFF_LIST_movi:
GST_DEBUG_OBJECT (avi,
"Reached the 'movi' tag, we're done with skipping");
goto skipping_done;
case GST_RIFF_LIST_INFO:
res =
@ -3244,11 +3252,22 @@ gst_avi_demux_stream_header_pull (GstAviDemux * avi)
/* gst_riff_read_chunk() has already advanced avi->offset */
break;
default:
GST_WARNING_OBJECT (avi,
"Skipping unknown list tag %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (ltag));
avi->offset += 8 + ((size + 1) & ~1);
break;
}
} else {
}
break;
default:
GST_WARNING_OBJECT (avi, "Skipping unknown tag %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (tag));
/* Fall-through */
case GST_MAKE_FOURCC ('J', 'U', 'N', 'Q'):
case GST_MAKE_FOURCC ('J', 'U', 'N', 'K'):
avi->offset += 8 + ((size + 1) & ~1);
break;
}
} while (1);
skipping_done: