mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +00:00
d95d3e39af
Gets rid of GSlice allocation that's never freed. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3784>
137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
/* GStreamer
|
|
* Copyright (C) 2015 Samsung Electronics Co., Ltd.
|
|
* @Author: Chengjun Wang <cjun.wang@samsung.com>
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
|
|
#ifndef __GST_CEA_CC_OVERLAY_H__
|
|
#define __GST_CEA_CC_OVERLAY_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <pango/pangocairo.h>
|
|
#include <gstcea708decoder.h>
|
|
|
|
G_BEGIN_DECLS
|
|
#define GST_TYPE_CEA_CC_OVERLAY \
|
|
(gst_cea_cc_overlay_get_type())
|
|
#define GST_CEA_CC_OVERLAY(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CEA_CC_OVERLAY,GstCeaCcOverlay))
|
|
#define GST_CEA_CC_OVERLAY_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CEA_CC_OVERLAY,GstCeaCcOverlayClass))
|
|
#define GST_CEA_CC_OVERLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\
|
|
GST_TYPE_CEA_CC_OVERLAY, GstCeaCcOverlayClass))
|
|
#define GST_IS_CEA_CC_OVERLAY(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CEA_CC_OVERLAY))
|
|
#define GST_IS_CEA_CC_OVERLAY_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CEA_CC_OVERLAY))
|
|
|
|
typedef struct _GstCeaCcOverlay GstCeaCcOverlay;
|
|
typedef struct _GstCeaCcOverlayClass GstCeaCcOverlayClass;
|
|
|
|
typedef enum
|
|
{
|
|
CCTYPE_608_CC1 = 0,
|
|
CCTYPE_608_CC2,
|
|
CCTYPE_708_ADD,
|
|
CCTYPE_708_START,
|
|
} DtvccType;
|
|
|
|
/**
|
|
* GstBaseTextOverlayHAlign:
|
|
* @GST_CEA_CC_OVERLAY_WIN_H_LEFT: closed caption window horizontal anchor left
|
|
* @GST_CEA_CC_OVERLAY_WIN_H_CENTER: closed caption window horizontal anchor center
|
|
* @GST_CEA_CC_OVERLAY_WIN_H_RIGHT: closed caption window horizontal anchor right
|
|
* @GST_CEA_CC_OVERLAY_WIN_H_AUTO: closed caption window horizontal anchor auto
|
|
*
|
|
* Closed Caption Window Horizontal anchor position.
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_CEA_CC_OVERLAY_WIN_H_LEFT,
|
|
GST_CEA_CC_OVERLAY_WIN_H_CENTER,
|
|
GST_CEA_CC_OVERLAY_WIN_H_RIGHT,
|
|
GST_CEA_CC_OVERLAY_WIN_H_AUTO
|
|
} GstCeaCcOverlayWinHPos;
|
|
|
|
/**
|
|
* GstCeaCcOverlay:
|
|
*
|
|
* Opaque ccoverlay data structure.
|
|
*/
|
|
struct _GstCeaCcOverlay
|
|
{
|
|
GstElement parent;
|
|
GstPad *video_sinkpad;
|
|
GstPad *cc_sinkpad;
|
|
GstPad *srcpad;
|
|
/* There are two possible 608 streams encapsulated by 708 */
|
|
gint16 cea608_index[NUM_608_CCTYPES];
|
|
gint16 cea708_index;
|
|
guint8 cea608_buffer[NUM_608_CCTYPES][DTVCC_LENGTH];
|
|
guint8 cea708_buffer[DTVCC_LENGTH];
|
|
|
|
/* TRUE if input is CDP, FALSE if cc_data triplet */
|
|
gboolean is_cdp;
|
|
|
|
GstSegment segment;
|
|
GstSegment cc_segment;
|
|
GstVideoOverlayComposition *current_composition;
|
|
guint64 current_comp_start_time;
|
|
GstVideoOverlayComposition *next_composition;
|
|
guint64 next_comp_start_time;
|
|
GstCeaCcOverlayWinHPos default_window_h_pos;
|
|
gboolean cc_pad_linked;
|
|
gboolean video_flushing;
|
|
gboolean video_eos;
|
|
gboolean cc_flushing;
|
|
gboolean cc_eos;
|
|
|
|
GMutex lock;
|
|
GCond cond; /* to signal removal of a queued text
|
|
* buffer, arrival of a text buffer,
|
|
* a text segment update, or a change
|
|
* in status (e.g. shutdown, flushing) */
|
|
|
|
GstVideoInfo info;
|
|
GstVideoFormat format;
|
|
gint width;
|
|
gint height;
|
|
gboolean silent;
|
|
Cea708Dec *decoder;
|
|
gint image_width;
|
|
gint image_height;
|
|
|
|
gboolean need_update;
|
|
|
|
gboolean attach_compo_to_buffer;
|
|
};
|
|
|
|
/* FIXME : Pango context and MT-safe since 1.32.6 */
|
|
struct _GstCeaCcOverlayClass
|
|
{
|
|
GstElementClass parent_class;
|
|
|
|
PangoContext *pango_context;
|
|
};
|
|
|
|
GType gst_cea_cc_overlay_get_type (void);
|
|
|
|
GST_ELEMENT_REGISTER_DECLARE (cc708overlay);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_CEA_CC_OVERLAY_H__ */
|