diff options
Diffstat (limited to 'src/demuxers/demux_asf.c')
| -rw-r--r-- | src/demuxers/demux_asf.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/demuxers/demux_asf.c b/src/demuxers/demux_asf.c index e50b36f70..1b32d418a 100644 --- a/src/demuxers/demux_asf.c +++ b/src/demuxers/demux_asf.c @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * - * $Id: demux_asf.c,v 1.30 2002/03/18 22:45:53 guenter Exp $ + * $Id: demux_asf.c,v 1.31 2002/03/19 02:12:49 guenter Exp $ * * demultiplexer for asf streams * @@ -1275,12 +1275,26 @@ static int demux_asf_open(demux_plugin_t *this_gen, input_plugin_t *input, int stage) { demux_asf_t *this = (demux_asf_t *) this_gen; + uint8_t buf[8192]; + int len; switch(stage) { - case STAGE_BY_CONTENT: + + /* + * try to get a preview of the data + */ + len = input->get_optional_data (input, buf, INPUT_OPTIONAL_DATA_PREVIEW); + if (len == INPUT_OPTIONAL_UNSUPPORTED) + return DEMUX_CANNOT_HANDLE; + + if (!memcmp(buf, &asf_header, sizeof(GUID))) { + printf ("demux_asf: file starts with an asf header\n"); + this->input = input; + return DEMUX_CAN_HANDLE; + } + return DEMUX_CANNOT_HANDLE; - break; case STAGE_BY_EXTENSION: { char *ending; |