mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
c02d3b03c2
The old API would only assert or return an invalid timecode, the new API returns a boolean or NULL. We can't change the existing API unfortunately but can at least deprecate it.
257 lines
11 KiB
C
257 lines
11 KiB
C
/* GStreamer
|
|
* Copyright (C) <2016> Vivia Nikolaidou <vivia@toolsonair.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_VIDEO_TIME_CODE_H__
|
|
#define __GST_VIDEO_TIME_CODE_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/video/video-prelude.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstVideoTimeCodeConfig GstVideoTimeCodeConfig;
|
|
typedef struct _GstVideoTimeCode GstVideoTimeCode;
|
|
typedef struct _GstVideoTimeCodeInterval GstVideoTimeCodeInterval;
|
|
|
|
/**
|
|
* GstVideoTimeCodeFlags:
|
|
* @GST_VIDEO_TIME_CODE_FLAGS_NONE: No flags
|
|
* @GST_VIDEO_TIME_CODE_FLAGS_DROP_FRAME: Whether we have drop frame rate
|
|
* @GST_VIDEO_TIME_CODE_FLAGS_INTERLACED: Whether we have interlaced video
|
|
*
|
|
* Flags related to the time code information.
|
|
* For drop frame, only 30000/1001 and 60000/1001 frame rates are supported.
|
|
*
|
|
* Since: 1.10
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_VIDEO_TIME_CODE_FLAGS_NONE = 0,
|
|
GST_VIDEO_TIME_CODE_FLAGS_DROP_FRAME = (1<<0),
|
|
GST_VIDEO_TIME_CODE_FLAGS_INTERLACED = (1<<1)
|
|
/* Not supported yet:
|
|
* GST_VIDEO_TIME_CODE_ALLOW_MORE_THAN_24H = (1<<2)
|
|
* GST_VIDEO_TIME_CODE_ALLOW_NEGATIVE = (1<<3)
|
|
*/
|
|
} GstVideoTimeCodeFlags;
|
|
|
|
/**
|
|
* GstVideoTimeCodeConfig:
|
|
* @fps_n: Numerator of the frame rate
|
|
* @fps_d: Denominator of the frame rate
|
|
* @flags: the corresponding #GstVideoTimeCodeFlags
|
|
* @latest_daily_jam: The latest daily jam information, if present, or NULL
|
|
*
|
|
* Supported frame rates: 30000/1001, 60000/1001 (both with and without drop
|
|
* frame), and integer frame rates e.g. 25/1, 30/1, 50/1, 60/1.
|
|
*
|
|
* The configuration of the time code.
|
|
*
|
|
* Since: 1.10
|
|
*/
|
|
struct _GstVideoTimeCodeConfig {
|
|
guint fps_n;
|
|
guint fps_d;
|
|
GstVideoTimeCodeFlags flags;
|
|
GDateTime *latest_daily_jam;
|
|
};
|
|
|
|
/**
|
|
* GstVideoTimeCode:
|
|
* @hours: the hours field of #GstVideoTimeCode
|
|
* @minutes: the minutes field of #GstVideoTimeCode
|
|
* @seconds: the seconds field of #GstVideoTimeCode
|
|
* @frames: the frames field of #GstVideoTimeCode
|
|
* @field_count: Interlaced video field count
|
|
* @config: the corresponding #GstVideoTimeCodeConfig
|
|
*
|
|
* @field_count must be 0 for progressive video and 1 or 2 for interlaced.
|
|
*
|
|
* A representation of a SMPTE time code.
|
|
*
|
|
* @hours must be positive and less than 24. Will wrap around otherwise.
|
|
* @minutes and @seconds must be positive and less than 60.
|
|
* @frames must be less than or equal to @config.fps_n / @config.fps_d
|
|
* These values are *NOT* automatically normalized.
|
|
*
|
|
* Since: 1.10
|
|
*/
|
|
struct _GstVideoTimeCode {
|
|
GstVideoTimeCodeConfig config;
|
|
|
|
guint hours;
|
|
guint minutes;
|
|
guint seconds;
|
|
guint frames;
|
|
guint field_count;
|
|
};
|
|
|
|
/**
|
|
* GstVideoTimeCodeInterval:
|
|
* @hours: the hours field of #GstVideoTimeCodeInterval
|
|
* @minutes: the minutes field of #GstVideoTimeCodeInterval
|
|
* @seconds: the seconds field of #GstVideoTimeCodeInterval
|
|
* @frames: the frames field of #GstVideoTimeCodeInterval
|
|
*
|
|
* A representation of a difference between two #GstVideoTimeCode instances.
|
|
* Will not necessarily correspond to a real timecode (e.g. 00:00:10;00)
|
|
*
|
|
* Since: 1.12
|
|
*/
|
|
struct _GstVideoTimeCodeInterval {
|
|
guint hours;
|
|
guint minutes;
|
|
guint seconds;
|
|
guint frames;
|
|
};
|
|
|
|
#define GST_VIDEO_TIME_CODE_INIT { {0, 0, 0, NULL}, 0, 0, 0, 0, 0 }
|
|
|
|
#define GST_TYPE_VIDEO_TIME_CODE (gst_video_time_code_get_type())
|
|
GST_VIDEO_API
|
|
GType gst_video_time_code_get_type (void);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCode * gst_video_time_code_new (guint fps_n,
|
|
guint fps_d,
|
|
GDateTime * latest_daily_jam,
|
|
GstVideoTimeCodeFlags flags,
|
|
guint hours,
|
|
guint minutes,
|
|
guint seconds,
|
|
guint frames,
|
|
guint field_count);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCode * gst_video_time_code_new_empty (void);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCode * gst_video_time_code_new_from_string (const gchar * tc_str);
|
|
|
|
GST_VIDEO_DEPRECATED_FOR(gst_video_time_code_new_from_date_time_full)
|
|
GstVideoTimeCode * gst_video_time_code_new_from_date_time (guint fps_n,
|
|
guint fps_d,
|
|
GDateTime * dt,
|
|
GstVideoTimeCodeFlags flags,
|
|
guint field_count);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCode * gst_video_time_code_new_from_date_time_full (guint fps_n,
|
|
guint fps_d,
|
|
GDateTime * dt,
|
|
GstVideoTimeCodeFlags flags,
|
|
guint field_count);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_time_code_free (GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCode * gst_video_time_code_copy (const GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_time_code_init (GstVideoTimeCode * tc,
|
|
guint fps_n,
|
|
guint fps_d,
|
|
GDateTime * latest_daily_jam,
|
|
GstVideoTimeCodeFlags flags,
|
|
guint hours,
|
|
guint minutes,
|
|
guint seconds,
|
|
guint frames,
|
|
guint field_count);
|
|
|
|
GST_VIDEO_DEPRECATED_FOR(gst_video_time_code_init_from_date_time_full)
|
|
void gst_video_time_code_init_from_date_time (GstVideoTimeCode * tc,
|
|
guint fps_n,
|
|
guint fps_d,
|
|
GDateTime * dt,
|
|
GstVideoTimeCodeFlags flags,
|
|
guint field_count);
|
|
GST_VIDEO_API
|
|
gboolean gst_video_time_code_init_from_date_time_full (GstVideoTimeCode * tc,
|
|
guint fps_n,
|
|
guint fps_d,
|
|
GDateTime * dt,
|
|
GstVideoTimeCodeFlags flags,
|
|
guint field_count);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_time_code_clear (GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
gboolean gst_video_time_code_is_valid (const GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
gint gst_video_time_code_compare (const GstVideoTimeCode * tc1,
|
|
const GstVideoTimeCode * tc2);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_time_code_increment_frame (GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_time_code_add_frames (GstVideoTimeCode * tc,
|
|
gint64 frames);
|
|
|
|
GST_VIDEO_API
|
|
gchar *gst_video_time_code_to_string (const GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
GDateTime *gst_video_time_code_to_date_time (const GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
guint64 gst_video_time_code_nsec_since_daily_jam (const GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
guint64 gst_video_time_code_frames_since_daily_jam (const GstVideoTimeCode * tc);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCode * gst_video_time_code_add_interval (const GstVideoTimeCode * tc, const GstVideoTimeCodeInterval * tc_inter);
|
|
|
|
#define GST_TYPE_VIDEO_TIME_CODE_INTERVAL (gst_video_time_code_interval_get_type())
|
|
GST_VIDEO_API
|
|
GType gst_video_time_code_interval_get_type (void);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCodeInterval * gst_video_time_code_interval_new (guint hours,
|
|
guint minutes,
|
|
guint seconds,
|
|
guint frames);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCodeInterval * gst_video_time_code_interval_new_from_string (const gchar * tc_inter_str);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_time_code_interval_free (GstVideoTimeCodeInterval * tc);
|
|
|
|
GST_VIDEO_API
|
|
GstVideoTimeCodeInterval * gst_video_time_code_interval_copy (const GstVideoTimeCodeInterval * tc);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_time_code_interval_init (GstVideoTimeCodeInterval * tc,
|
|
guint hours,
|
|
guint minutes,
|
|
guint seconds,
|
|
guint frames);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_time_code_interval_clear (GstVideoTimeCodeInterval * tc);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_TIME_CODE_H__ */
|