| /* GStreamer | |
| * Copyright (C) 2009 David A. Schleef <ds@schleef.org> | |
| * | |
| * 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_SMPTE_TIME_CODE_H_ | |
| #define _GST_SMPTE_TIME_CODE_H_ | |
| #include <gst/gst.h> | |
| G_BEGIN_DECLS | |
| typedef struct _GstSMPTETimeCode GstSMPTETimeCode; | |
| /** | |
| * GstSMPTETimeCode: | |
| * @GST_SMPTE_TIME_CODE_SYSTEM_30: 29.97 frame per second system (NTSC) | |
| * @GST_SMPTE_TIME_CODE_SYSTEM_25: 25 frame per second system (PAL) | |
| * @GST_SMPTE_TIME_CODE_SYSTEM_24: 24 frame per second system | |
| * | |
| * Enum value representing SMPTE Time Code system. | |
| */ | |
| typedef enum { | |
| GST_SMPTE_TIME_CODE_SYSTEM_30 = 0, | |
| GST_SMPTE_TIME_CODE_SYSTEM_25, | |
| GST_SMPTE_TIME_CODE_SYSTEM_24 | |
| } GstSMPTETimeCodeSystem; | |
| struct _GstSMPTETimeCode { | |
| int hours; | |
| int minutes; | |
| int seconds; | |
| int frames; | |
| }; | |
| #define GST_SMPTE_TIME_CODE_SYSTEM_IS_VALID(x) \ | |
| ((x) >= GST_SMPTE_TIME_CODE_SYSTEM_30 && (x) <= GST_SMPTE_TIME_CODE_SYSTEM_24) | |
| #define GST_SMPTE_TIME_CODE_FORMAT "02d:%02d:%02d:%02d" | |
| #define GST_SMPTE_TIME_CODE_ARGS(timecode) \ | |
| (timecode)->hours, (timecode)->minutes, \ | |
| (timecode)->seconds, (timecode)->frames | |
| gboolean gst_smpte_time_code_is_valid (GstSMPTETimeCodeSystem system, | |
| GstSMPTETimeCode *time_code); | |
| gboolean gst_smpte_time_code_from_frame_number (GstSMPTETimeCodeSystem system, | |
| GstSMPTETimeCode *time_code, int frame_number); | |
| gboolean gst_smpte_time_code_get_frame_number (GstSMPTETimeCodeSystem system, | |
| int *frame_number, GstSMPTETimeCode *time_code); | |
| GstClockTime gst_smpte_time_code_get_timestamp (GstSMPTETimeCodeSystem system, | |
| GstSMPTETimeCode *time_code); | |
| G_END_DECLS | |
| #endif | |