/* * GStreamer * Copyright (C) 2009 Sebastian Pölsterl <sebp@k-d-w.org> * Copyright (C) 2010 Andoni Morales Alastruey <ylatuya@gmail.com> * * This library is free software; you can redistribute it and/or * mod1ify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA */ #ifndef __GST_TELETEXTDEC_H__ #define __GST_TELETEXTDEC_H__ #include <gst/gst.h> #include <libzvbi.h> G_BEGIN_DECLS #define GST_TYPE_TELETEXTDEC \ (gst_teletextdec_get_type()) #define GST_TELETEXTDEC(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TELETEXTDEC,GstTeletextDec)) #define GST_TELETEXTDEC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TELETEXTDEC,GstTeletextDecClass)) #define GST_IS_TELETEXTDEC(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TELETEXTDEC)) #define GST_IS_TELETEXTDEC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TELETEXTDEC)) typedef struct _GstTeletextDec GstTeletextDec; typedef struct _GstTeletextDecClass GstTeletextDecClass; typedef struct _GstTeletextFrame GstTeletextFrame; typedef enum _GstTeletextOutputFormat GstTeletextOutputFormat; typedef GstFlowReturn (*GstTeletextExportFunc) (GstTeletextDec * teletext, vbi_page * page, GstBuffer ** buf); struct _GstTeletextDec { GstElement element; GstPad *sinkpad; GstPad *srcpad; GstEvent *segment; GstClockTime in_timestamp; GstClockTime in_duration; gint rate_numerator; gint rate_denominator; /* Props */ gint pageno; gint subno; gboolean subtitles_mode; gchar *subtitles_template; gchar *font_description; vbi_decoder *decoder; GQueue *queue; GMutex queue_lock; GstTeletextFrame *frame; float last_ts; GstTeletextExportFunc export_func; /* negotiated size of the output image in RGBA mode. */ guint width; guint height; /* buffer pool received from the peer pad - used in RGBA output only. */ GstBufferPool *buf_pool; }; struct _GstTeletextFrame { vbi_sliced *sliced_begin; vbi_sliced *sliced_end; vbi_sliced *current_slice; guint last_field; guint last_field_line; guint last_frame_line; }; struct _GstTeletextDecClass { GstElementClass parent_class; }; GType gst_teletextdec_get_type (void); G_END_DECLS #endif /* __GST_TELETEXTDEC_H__ */