mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 17:20:36 +00:00
cdcc28c833
Adds basic support for qttext subtitles, still lacks markup tags to make it prettier, but the plain text already works. Implemented according to: http://www.apple.com/quicktime/tutorials/texttracks.html http://www.apple.com/quicktime/tutorials/textdescriptors.html Fixes #603357
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/* GStreamer
|
|
* Copyright (C) <2002> David A. Schleef <ds@schleef.org>
|
|
* 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_SUBPARSE_H__
|
|
#define __GST_SUBPARSE_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstadapter.h>
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (sub_parse_debug);
|
|
#define GST_CAT_DEFAULT sub_parse_debug
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_SUBPARSE \
|
|
(gst_sub_parse_get_type ())
|
|
#define GST_SUBPARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SUBPARSE, GstSubParse))
|
|
#define GST_SUBPARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SUBPARSE, GstSubParseClass))
|
|
#define GST_IS_SUBPARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SUBPARSE))
|
|
#define GST_IS_SUBPARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SUBPARSE))
|
|
|
|
typedef struct _GstSubParse GstSubParse;
|
|
typedef struct _GstSubParseClass GstSubParseClass;
|
|
|
|
/* format enum */
|
|
typedef enum
|
|
{
|
|
GST_SUB_PARSE_FORMAT_UNKNOWN = 0,
|
|
GST_SUB_PARSE_FORMAT_MDVDSUB = 1,
|
|
GST_SUB_PARSE_FORMAT_SUBRIP = 2,
|
|
GST_SUB_PARSE_FORMAT_MPSUB = 3,
|
|
GST_SUB_PARSE_FORMAT_SAMI = 4,
|
|
GST_SUB_PARSE_FORMAT_TMPLAYER = 5,
|
|
GST_SUB_PARSE_FORMAT_MPL2 = 6,
|
|
GST_SUB_PARSE_FORMAT_SUBVIEWER = 7,
|
|
GST_SUB_PARSE_FORMAT_DKS = 8,
|
|
GST_SUB_PARSE_FORMAT_QTTEXT = 9
|
|
} GstSubParseFormat;
|
|
|
|
typedef struct {
|
|
int state;
|
|
GString *buf;
|
|
guint64 start_time;
|
|
guint64 duration;
|
|
guint64 max_duration; /* to clamp duration, 0 = no limit (used by tmplayer parser) */
|
|
GstSegment *segment;
|
|
gpointer user_data;
|
|
gboolean have_internal_fps; /* If TRUE don't overwrite fps by property */
|
|
gint fps_n, fps_d; /* used by frame based parsers */
|
|
} ParserState;
|
|
|
|
typedef gchar* (*Parser) (ParserState *state, const gchar *line);
|
|
|
|
struct _GstSubParse {
|
|
GstElement element;
|
|
|
|
GstPad *sinkpad,*srcpad;
|
|
|
|
/* contains the input in the input encoding */
|
|
GstAdapter *adapter;
|
|
/* contains the UTF-8 decoded input */
|
|
GString *textbuf;
|
|
|
|
GstSubParseFormat parser_type;
|
|
gboolean parser_detected;
|
|
const gchar *subtitle_codec;
|
|
|
|
Parser parse_line;
|
|
ParserState state;
|
|
|
|
/* seek */
|
|
guint64 offset;
|
|
guint64 next_offset;
|
|
|
|
/* Segment */
|
|
GstSegment segment;
|
|
GstSeekFlags segment_flags;
|
|
gboolean need_segment;
|
|
|
|
gboolean flushing;
|
|
gboolean valid_utf8;
|
|
gchar *detected_encoding;
|
|
gchar *encoding;
|
|
|
|
gboolean first_buffer;
|
|
|
|
/* used by frame based parsers */
|
|
gint fps_n, fps_d;
|
|
};
|
|
|
|
struct _GstSubParseClass {
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_sub_parse_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_SUBPARSE_H__ */
|