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Fix endian issues with metadata. Some Cleanups too

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Original commit message from CVS:
Fix endian issues with metadata. Some Cleanups too
This commit is contained in:
Wim Taymans 2003-02-02 23:48:30 +00:00
parent 37afd27681
commit 9314894ee3
1 changed files with 27 additions and 26 deletions
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53
gst/avi/gstavidemux.c
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@ -412,7 +412,7 @@ gst_avi_demux_metadata (GstAviDemux *avi_demux, gint len)
{
guint32 got_bytes;
GstByteStream *bs = avi_demux->bs;
gst_riff_chunk *chunk;
gst_riff_chunk *temp_chunk, chunk;
gchar *name, *type;
GstProps *props;
GstPropsEntry *entry;
@ -420,24 +420,29 @@ gst_avi_demux_metadata (GstAviDemux *avi_demux, gint len)
props = gst_props_empty_new ();
while (len > 0) {
got_bytes = gst_bytestream_peek_bytes(bs, (guint8**)&chunk, sizeof(gst_riff_chunk));
gst_bytestream_flush(bs, sizeof(gst_riff_chunk));
if (got_bytes != sizeof(gst_riff_chunk))
got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&temp_chunk, sizeof (gst_riff_chunk));
/* fixup for our big endian friends */
chunk.id = GUINT32_FROM_LE (temp_chunk->id);
chunk.size = GUINT32_FROM_LE (temp_chunk->size);
gst_bytestream_flush (bs, sizeof (gst_riff_chunk));
if (got_bytes != sizeof (gst_riff_chunk))
return;
len -= sizeof(gst_riff_chunk);
len -= sizeof (gst_riff_chunk);
/* don't care about empty entries - move on */
if (chunk->size == 0)
if (chunk.size == 0)
continue;
got_bytes = gst_bytestream_peek_bytes(bs, (guint8**)&name, chunk->size);
gst_bytestream_flush(bs, (chunk->size + 1) &~ 1);
if (got_bytes != chunk->size)
got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&name, chunk.size);
gst_bytestream_flush (bs, (chunk.size + 1) & ~1);
if (got_bytes != chunk.size)
return;
len -= ((chunk->size + 1) &~ 1);
len -= ((chunk.size + 1) & ~1);
/* we now have an info string in 'name' of type 'chunk.id' - find 'type' */
switch (chunk->id) {
switch (chunk.id) {
case GST_RIFF_INFO_IARL:
type = "Location";
break;
@ -514,16 +519,17 @@ gst_avi_demux_metadata (GstAviDemux *avi_demux, gint len)
if (type) {
/* create props entry */
entry = gst_props_entry_new(type, GST_PROPS_STRING(name));
entry = gst_props_entry_new (type, GST_PROPS_STRING (name));
gst_props_add_entry (props, entry);
}
}
gst_props_debug(props);
avi_demux->metadata = gst_caps_new("avi_metadata",
"application/x-gst-metadata",
props);
gst_caps_replace_sink (&avi_demux->metadata,
gst_caps_new("avi_metadata",
"application/x-gst-metadata",
props));
g_object_notify(G_OBJECT(avi_demux), "metadata");
}
@ -537,9 +543,10 @@ gst_avi_demux_streaminfo (GstAviDemux *avi_demux)
/* compression formats are added later - a bit hacky */
avi_demux->streaminfo = gst_caps_new("avi_streaminfo",
"application/x-gst-streaminfo",
props);
gst_caps_replace_sink (&avi_demux->streaminfo,
gst_caps_new("avi_streaminfo",
"application/x-gst-streaminfo",
props));
/*g_object_notify(G_OBJECT(avi_demux), "streaminfo");*/
}
@ -1700,14 +1707,8 @@ gst_avi_demux_change_state (GstElement *element)
break;
case GST_STATE_PAUSED_TO_READY:
gst_bytestream_destroy (avi_demux->bs);
if (avi_demux->metadata) {
gst_caps_unref(avi_demux->metadata);
avi_demux->metadata = NULL;
}
if (avi_demux->streaminfo) {
gst_caps_unref(avi_demux->streaminfo);
avi_demux->streaminfo = NULL;
}
gst_caps_replace (&avi_demux->metadata, NULL);
gst_caps_replace (&avi_demux->streaminfo, NULL);
break;
case GST_STATE_READY_TO_NULL:
break;