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1970ac0fc7
Original commit message from CVS: * configure.ac: * ext/dv/Makefile.am: * ext/dv/gstdvdec.c: (gst_dvdec_class_init), (gst_dvdec_init), (gst_dvdec_get_src_query_types), (gst_dvdec_src_query), (gst_dvdec_handle_sink_event), (gst_dvdec_handle_src_event), (gst_dvdec_video_getcaps), (gst_dvdec_video_setcaps), (gst_dvdec_decode_audio), (gst_dvdec_decode_video), (gst_dvdec_decode_frame), (gst_dvdec_chain), (gst_dvdec_change_state), (gst_dvdec_set_property), (gst_dvdec_get_property), (plugin_init): * ext/dv/gstdvdec.h: * ext/esd/esdsink.c: (gst_esdsink_class_init): Ported DVdec to 0.9. Parent of esdsink is GstAudioSink.
127 lines
3.5 KiB
C
127 lines
3.5 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_DVDEC_H__
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#define __GST_DVDEC_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#include <libdv/dv.h>
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#include <gst/base/gstadapter.h>
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/* This is the definition of the element's object structure. */
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typedef struct _GstDVDec GstDVDec;
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/* The structure itself is derived from GstElement, as can be seen by the
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* fact that there's a complete instance of the GstElement structure at
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* the beginning of the object. This allows the element to be cast to
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* an Element or even an Object.
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*/
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struct _GstDVDec {
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GstElement element;
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/* We need to keep track of our pads, so we do so here. */
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GstPad *sinkpad;
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GstPad *videosrcpad;
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GstPad *audiosrcpad;
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dv_decoder_t *decoder;
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gboolean clamp_luma;
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gboolean clamp_chroma;
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gint quality;
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GstAdapter *adapter;
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gint frame_len;
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/* PAL or NTSC flag */
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gboolean PAL;
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/* video params */
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gdouble framerate;
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gint height;
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gboolean wide;
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/* audio params */
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gint frequency;
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gint channels;
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/* negotiated output */
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dv_color_space_t space;
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gint bpp;
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gint length;
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gint drop_factor;
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gint framecount;
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guint64 timestamp;
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guint64 duration;
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guint64 audio_offset;
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guint64 video_offset;
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guint64 end_position;
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gboolean need_discont;
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gboolean new_media;
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gboolean loop;
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gboolean found_header;
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gint16 *audio_buffers[4];
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};
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/* The other half of the object is its class. The class also derives from
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* the same parent, though it must be the class structure this time.
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* Function pointers for polymophic methods and signals are placed in this
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* structure. */
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typedef struct _GstDVDecClass GstDVDecClass;
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struct _GstDVDecClass {
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GstElementClass parent_class;
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};
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/* Five standard preprocessing macros are used in the Gtk+ object system.
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* The first uses the object's _get_type function to return the GType
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* of the object.
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*/
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#define GST_TYPE_DVDEC \
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(gst_dvdec_get_type())
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/* The second is a checking cast to the correct type. If the object passed
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* is not the right type, a warning will be generated on stderr.
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*/
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#define GST_DVDEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVDEC,GstDVDec))
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/* The third is a checking cast of the class instead of the object. */
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#define GST_DVDEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVDEC,GstDVDec))
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/* The last two simply check to see if the passed pointer is an object or
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* class of the correct type. */
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#define GST_IS_DVDEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVDEC))
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#define GST_IS_DVDEC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVDEC))
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/* This is the only prototype needed, because it is used in the above
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* GST_TYPE_DVDEC macro.
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*/
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GType gst_dvdec_get_type(void);
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G_END_DECLS
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#endif /* __GST_DVDEC_H__ */
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