diff options
Diffstat (limited to 'gst-libs/gst/media-info/media-info-priv.h')
| -rw-r--r-- | gst-libs/gst/media-info/media-info-priv.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/gst-libs/gst/media-info/media-info-priv.h b/gst-libs/gst/media-info/media-info-priv.h new file mode 100644 index 00000000..3e7a598c --- /dev/null +++ b/gst-libs/gst/media-info/media-info-priv.h @@ -0,0 +1,122 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* media-info-priv.h: private stuff */ + +#ifndef __GST_MEDIA_INFO_PRIV_H__ +#define __GST_MEDIA_INFO_PRIV_H__ + +#include <gst/gst.h> + +/* debug */ +#define DEBUG +#ifdef DEBUG +static gboolean _gmi_debug = TRUE; +#else +static gboolean _gmi_debug = FALSE; +#endif + +#define GMI_DEBUG(format, args...) \ + { if (_gmi_debug) { g_print ( format , ## args ); }} + + +/* state machine enum; FIXME: can we move this to priv.c ? */ +typedef enum +{ + GST_MEDIA_INFO_STATE_NULL, + GST_MEDIA_INFO_STATE_TYPEFIND, + GST_MEDIA_INFO_STATE_STREAM, + GST_MEDIA_INFO_STATE_METADATA, + GST_MEDIA_INFO_STATE_STREAMINFO, + GST_MEDIA_INFO_STATE_FORMAT, + GST_MEDIA_INFO_STATE_DONE +} GstMediaInfoState; + +/* private structure */ +struct GstMediaInfoPriv +{ + GstElement *pipeline; + + GstElement *typefind; + + GstCaps *type; + GstPad *decoder_pad; /* pad for querying decoded caps */ + GstPad *source_pad; /* pad for querying encoded caps */ + + GstCaps *format; + GstCaps *metadata; + gint metadata_iters; + GstCaps *streaminfo; + + GstElement *decoder; /* will be != NULL during collection */ + gchar *source_element; /* type of element used as source */ + GstElement *source; + + GHashTable *decoders; /* a table of decoder GstElements */ + + GstMediaInfoState state; /* current state of state machine */ + gchar *location; /* location set on the info object */ + guint16 flags; /* flags supplied for detection */ + GstMediaInfoTrack *current_track; /* track pointer under inspection */ + glong current_track_num; /* current track under inspection */ + + GstMediaInfoStream *stream; /* total stream properties */ + char *cache; /* location of cache */ +}; + +/* declarations */ +GstMediaInfoStream * + gmi_stream_new (void); +void gmi_stream_free (GstMediaInfoStream *stream); + +GstMediaInfoTrack * + gmi_track_new (void); + +void gmi_reset (GstMediaInfo *info); +gboolean gmi_seek_to_track (GstMediaInfo *info, + long track); + +GstElement * gmi_get_decoder (GstMediaInfo *info, + const char *mime); +void gmi_set_decoder (GstMediaInfo *info, + GstElement *decoder); +void gmi_clear_decoder (GstMediaInfo *info); + +void deep_notify_callback (GObject *object, + GstObject *origin, + GParamSpec *pspec, + GstMediaInfoPriv *priv); + +gboolean gmip_find_type_pre (GstMediaInfoPriv *priv); +gboolean gmip_find_type_post (GstMediaInfoPriv *priv); +gboolean gmip_find_type (GstMediaInfoPriv *priv); +gboolean gmip_find_stream_pre (GstMediaInfoPriv *priv); +gboolean gmip_find_stream_post (GstMediaInfoPriv *priv); +gboolean gmip_find_stream (GstMediaInfoPriv *priv); +gboolean gmip_find_track_metadata_pre (GstMediaInfoPriv *priv); +gboolean gmip_find_track_metadata_post (GstMediaInfoPriv *priv); +gboolean gmip_find_track_metadata (GstMediaInfoPriv *priv); +gboolean gmip_find_track_streaminfo_pre (GstMediaInfoPriv *priv); +gboolean gmip_find_track_streaminfo_post (GstMediaInfoPriv *priv); +gboolean gmip_find_track_streaminfo (GstMediaInfoPriv *priv); +gboolean gmip_find_track_format_pre (GstMediaInfoPriv *priv); +gboolean gmip_find_track_format_post (GstMediaInfoPriv *priv); +gboolean gmip_find_track_format (GstMediaInfoPriv *priv); + +#endif /* __GST_MEDIA_INFO_PRIV_H__ */ |