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author | Andy Wingo <wingo@pobox.com> | 2001-12-22 23:27:31 +0000 |
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committer | Andy Wingo <wingo@pobox.com> | 2001-12-22 23:27:31 +0000 |
commit | 185612aae3b8acae2b32e0e6561691a7c640cd0d (patch) | |
tree | 7cd1990c3df5c63f402f3e0bdf6b51b3ed58fc41 /gst/wavparse/gstwavparse.h | |
parent | 87dab192cf5792f847a22e0c3e9afe78553739b5 (diff) |
Initial revision
Original commit message from CVS:
Initial revision
Diffstat (limited to 'gst/wavparse/gstwavparse.h')
-rw-r--r-- | gst/wavparse/gstwavparse.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gst/wavparse/gstwavparse.h b/gst/wavparse/gstwavparse.h new file mode 100644 index 00000000..55cb4913 --- /dev/null +++ b/gst/wavparse/gstwavparse.h @@ -0,0 +1,99 @@ +/* Gnome-Streamer + * 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. + */ + + +#ifndef __GST_PARSEWAV_H__ +#define __GST_PARSEWAV_H__ + + +#include <config.h> +#include <gst/gst.h> +#include <gstriff.h> + + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define GST_TYPE_PARSEWAV \ + (gst_parsewav_get_type()) +#define GST_PARSEWAV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PARSEWAV,GstParseWav)) +#define GST_PARSEWAV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PARSEWAV,GstParseWav)) +#define GST_IS_PARSEWAV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PARSEWAV)) +#define GST_IS_PARSEWAV_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PARSEWAV)) + + +#define GST_PARSEWAV_UNKNOWN 0 /* initialized state */ +#define GST_PARSEWAV_CHUNK_FMT 1 /* searching for fmt */ +#define GST_PARSEWAV_CHUNK_DATA 2 /* searching for data */ +#define GST_PARSEWAV_DATA 3 /* in data region */ +#define GST_PARSEWAV_OTHER 4 /* in unknown region */ + +typedef struct _GstParseWav GstParseWav; +typedef struct _GstParseWavClass GstParseWavClass; + +struct _GstParseWav { + GstElement element; + + /* pads */ + GstPad *sinkpad,*srcpad; + + /* WAVE decoding state */ + gint state; + + /* RIFF decoding state */ + GstRiff *riff; + gulong riff_nextlikely; + + /* expected length of audio */ + gulong size; + + /* useful audio data */ + gint bps; + +}; + +struct _GstParseWavClass { + GstElementClass parent_class; +}; + +GType gst_parsewav_get_type(void); + +typedef struct _GstParseWavFormat GstParseWavFormat; + +struct _GstParseWavFormat { + gint16 wFormatTag; + guint16 wChannels; + guint32 dwSamplesPerSec; + guint32 dwAvgBytesPerSec; + guint16 wBlockAlign; + guint16 wBitsPerSample; +}; + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GST_PARSEAU_H__ */ |