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Check for zlib and if available pass it explicitly to the linker when linking qtdemux. If not available (or --disable...

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Original commit message from CVS:
* configure.ac:
* gst/qtdemux/Makefile.am:
* gst/qtdemux/qtdemux.c: (qtdemux_parse_moov):
Check for zlib and if available pass it explicitly to the linker
when linking qtdemux. If not available (or --disable-external has
been specified!), disable the bits in qtdemux that use it. Fixes
build on MingW (#392856).
This commit is contained in:
Tim-Philipp Müller 2007-01-05 18:32:03 +00:00
parent 5d78ae0a1c
commit 9445ca84f5
2 changed files with 33 additions and 18 deletions
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2
gst/qtdemux/Makefile.am
View file

@ -2,7 +2,7 @@
plugin_LTLIBRARIES = libgstqtdemux.la
libgstqtdemux_la_CFLAGS = ${GST_CFLAGS}
libgstqtdemux_la_LIBADD = $(GST_BASE_LIBS)
libgstqtdemux_la_LIBADD = $(GST_BASE_LIBS) $(ZLIB_LIBS)
libgstqtdemux_la_LDFLAGS = ${GST_PLUGIN_LDFLAGS}
libgstqtdemux_la_SOURCES = qtdemux.c

49
gst/qtdemux/qtdemux.c
View file

@ -29,7 +29,10 @@
#include <stdlib.h>
#include <string.h>
#include <zlib.h>
#ifdef HAVE_ZLIB
# include <zlib.h>
#endif
GST_DEBUG_CATEGORY_STATIC (qtdemux_debug);
#define GST_CAT_DEFAULT qtdemux_debug
@ -2086,6 +2089,7 @@ static const QtNodeType qt_node_types[] = {
};
static int n_qt_node_types = sizeof (qt_node_types) / sizeof (qt_node_types[0]);
#ifdef HAVE_ZLIB
static void *
qtdemux_zalloc (void *opaque, unsigned int items, unsigned int size)
@ -2135,6 +2139,8 @@ qtdemux_inflate (void *z_buffer, int z_length, int length)
return buffer;
}
#endif /* HAVE_ZLIB */
static void
qtdemux_parse_moov (GstQTDemux * qtdemux, guint8 * buffer, int length)
{
@ -2147,32 +2153,41 @@ qtdemux_parse_moov (GstQTDemux * qtdemux, guint8 * buffer, int length)
cmov = qtdemux_tree_get_child_by_type (qtdemux->moov_node, FOURCC_cmov);
if (cmov) {
guint32 method;
GNode *dcom;
GNode *cmvd;
dcom = qtdemux_tree_get_child_by_type (cmov, FOURCC_dcom);
cmvd = qtdemux_tree_get_child_by_type (cmov, FOURCC_cmvd);
if (QTDEMUX_FOURCC_GET ((guint8 *) dcom->data + 8) == GST_MAKE_FOURCC ('z',
'l', 'i', 'b')) {
int uncompressed_length;
int compressed_length;
guint8 *buf;
method = QTDEMUX_FOURCC_GET ((guint8 *) dcom->data + 8);
switch (method) {
#ifdef HAVE_ZLIB
case GST_MAKE_FOURCC ('z', 'l', 'i', 'b'):{
int uncompressed_length;
int compressed_length;
guint8 *buf;
uncompressed_length = QTDEMUX_GUINT32_GET ((guint8 *) cmvd->data + 8);
compressed_length = QTDEMUX_GUINT32_GET ((guint8 *) cmvd->data + 4) - 12;
GST_LOG ("length = %d", uncompressed_length);
uncompressed_length = QTDEMUX_GUINT32_GET ((guint8 *) cmvd->data + 8);
compressed_length =
QTDEMUX_GUINT32_GET ((guint8 *) cmvd->data + 4) - 12;
GST_LOG ("length = %d", uncompressed_length);
buf =
(guint8 *) qtdemux_inflate ((guint8 *) cmvd->data + 12,
compressed_length, uncompressed_length);
buf =
(guint8 *) qtdemux_inflate ((guint8 *) cmvd->data + 12,
compressed_length, uncompressed_length);
qtdemux->moov_node_compressed = qtdemux->moov_node;
qtdemux->moov_node = g_node_new (buf);
qtdemux->moov_node_compressed = qtdemux->moov_node;
qtdemux->moov_node = g_node_new (buf);
qtdemux_parse (qtdemux, qtdemux->moov_node, buf, uncompressed_length);
} else {
GST_LOG ("unknown header compression type");
qtdemux_parse (qtdemux, qtdemux->moov_node, buf, uncompressed_length);
break;
}
#endif /* HAVE_ZLIB */
default:
GST_WARNING_OBJECT (qtdemux, "unknown or unhandled header compression "
"type %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (method));
break;
}
}
}