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Diffstat (limited to 'ext/ffmpeg/gstffmpegdec.h')
-rw-r--r-- | ext/ffmpeg/gstffmpegdec.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/ext/ffmpeg/gstffmpegdec.h b/ext/ffmpeg/gstffmpegdec.h new file mode 100644 index 0000000..4eefb9e --- /dev/null +++ b/ext/ffmpeg/gstffmpegdec.h @@ -0,0 +1,95 @@ +/* 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_FFMPEGDEC_H__ +#define __GST_FFMPEGDEC_H__ + +#include <gst/gst.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#ifndef __GST_FFMPEG_AV_H__ +#define __GST_FFMPEG_AV_H__ +#include <libavcodec/avcodec.h> +#endif /* __GST_FFMPEG_AV_H__ */ + +/* This is the definition of the element's object structure. */ +typedef struct _GstFFMpegDec GstFFMpegDec; + +/* The structure itself is derived from GstElement, as can be seen by the + * fact that there's a complete instance of the GstElement structure at + * the beginning of the object. This allows the element to be cast to + * an Element or even an Object. + */ +struct _GstFFMpegDec { + GstElement element; + + /* We need to keep track of our pads, so we do so here. */ + GstPad *srcpad; + GstPad *sinkpad; + + AVCodecContext *context; + AVPicture *picture; +}; + +/* The other half of the object is its class. The class also derives from + * the same parent, though it must be the class structure this time. + * Function pointers for polymophic methods and signals are placed in this + * structure. */ +typedef struct _GstFFMpegDecClass GstFFMpegDecClass; + +struct _GstFFMpegDecClass { + GstElementClass parent_class; + + AVCodec *in_plugin; +}; + +/* Five standard preprocessing macros are used in the Gtk+ object system. + * The first uses the object's _get_type function to return the GType + * of the object. + */ +#define GST_TYPE_FFMPEGDEC \ + (gst_ffmpegdec_get_type()) +/* The second is a checking cast to the correct type. If the object passed + * is not the right type, a warning will be generated on stderr. + */ +#define GST_FFMPEGDEC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGDEC,GstFFMpegDec)) +/* The third is a checking cast of the class instead of the object. */ +#define GST_FFMPEGDEC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGDEC,GstFFMpegDec)) +/* The last two simply check to see if the passed pointer is an object or + * class of the correct type. */ +#define GST_IS_FFMPEGDEC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGDEC)) +#define GST_IS_FFMPEGDEC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGDEC)) + +gboolean gst_ffmpegdec_register (GstPlugin *plugin); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GST_FFMPEGDEC_H__ */ |