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/* 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>
#include <glib/gprintf.h>
G_BEGIN_DECLS
/* debug */
GST_DEBUG_CATEGORY_EXTERN (gst_media_info_debug);
#define GST_CAT_DEFAULT gst_media_info_debug
//#define DEBUG
#ifdef DEBUG
static gboolean _gmi_debug = TRUE;
#else
static gboolean _gmi_debug = FALSE;
#endif
#ifdef G_HAVE_ISO_VARARGS
#define GMI_DEBUG(...) \
{ if (_gmi_debug) { g_print ( __VA_ARGS__ ); }}
#elif defined(G_HAVE_GNUC_VARARGS)
#define GMI_DEBUG(format, args...) \
{ if (_gmi_debug) { g_print ( format , ## args ); }}
#else
static inline void
GMI_DEBUG (const char *format, ...)
{
va_list varargs;
if (_gmi_debug) {
va_start (varargs, format);
g_vprintf ( format, varargs);
va_end (varargs);
}
}
#endif
/* 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 *typefind;
GstCaps *type;
GstCaps *format;
GstTagList *metadata;
gint metadata_iters;
GstTagList *streaminfo;
GstElement *pipeline; /* will be != NULL during collection */
gchar *pipeline_desc; /* will be != NULL during collection */
GstElement *fakesink; /* so we can get caps from the
decoder sink pad */
gchar *source_name; /* type of element used as source */
GstElement *source;
GstPad *source_pad; /* pad for querying encoded caps */
GstElement *decoder;
GstPad *decoder_pad; /* pad for querying decoded caps */
GstElement *decontainer; /* element to typefind in containers */
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 */
GError *error; /* error for creation problems */
};
/* declarations */
GstMediaInfoStream *
gmi_stream_new (void);
void gmi_stream_free (GstMediaInfoStream *stream);
GstMediaInfoTrack *
gmi_track_new (void);
void gmip_reset (GstMediaInfoPriv *priv);
gboolean gmip_init (GstMediaInfoPriv *priv, GError **error);
void gmi_clear_decoder (GstMediaInfo *info);
gboolean gmi_seek_to_track (GstMediaInfo *info,
long track);
gboolean gmi_set_mime (GstMediaInfo *info,
const char *mime);
void deep_notify_callback (GObject *object,
GstObject *origin,
GParamSpec *pspec,
GstMediaInfoPriv *priv);
void found_tag_callback (GObject *pipeline, GstElement *source, GstTagList *tags, GstMediaInfoPriv *priv);
void error_callback (GObject *element, GstElement *source, GError *error, gchar *debug, GstMediaInfoPriv *priv);
gboolean gmip_find_type_pre (GstMediaInfoPriv *priv, GError **error);
gboolean gmip_find_type_post (GstMediaInfoPriv *priv);
gboolean gmip_find_type (GstMediaInfoPriv *priv, GError **error);
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);
G_END_DECLS
#endif /* __GST_MEDIA_INFO_PRIV_H__ */
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