Recordedseek table
From MythTV Official Wiki
Revision as of 16:17, 22 February 2021 by Pmhahn (talk | contribs) (Fix -100, add -15, fix wiki syntax, reference filemarkup table)
Note: The correct title of this article is recordedseek table. It appears incorrectly here due to technical restrictions.
The recordedseek table stores a time vs. byte offset mapping (seektable) for each recording in the recorded table to enable accurate forward and backward time skipping.
Table Description
| Field name | Type | Null | Key | Default | Extras |
|---|---|---|---|---|---|
| chanid | int(10) unsigned | PRI | 0 | REF recorded(chanid,starttime) | |
| starttime | datetime | PRI | 0000-00-00 00:00:00 | ||
| mark | mediumint(8) unsigned | PRI | 0 | ||
| offset | bigint(20) unsigned | NULL | |||
| type | tinyint(4) | PRI | 0 |
Fields
- chanid along with starttime relate to unique entries in the recorded table.
- type shows what kind of marker it is, such as a keyframe. Possible values are defined in the MarkTypes enum. Not all of the following marktypes apply to the recordedseek table, they may be used in the recordedmarkup table or filemarkup table instead.
- mark 0-based frame number
- offset 0-based offset into file
| Value | Field |
|---|---|
| -100 | MARK_ALL |
| -10 | MARK_UNSET |
| -5 | MARK_TMP_CUT_END |
| -4 | MARK_TMP_CUT_START |
| -3 | MARK_UPDATED_CUT |
| -2 | MARK_PLACEHOLDER |
| 0 | MARK_CUT_END |
| 1 | MARK_CUT_START |
| 2 | MARK_BOOKMARK |
| 3 | MARK_BLANK_FRAME |
| 4 | MARK_COMM_START |
| 5 | MARK_COMM_END |
| 6 | MARK_GOP_START |
| 7 | MARK_KEYFRAME |
| 8 | MARK_SCENE_CHANGE |
| 9 | MARK_GOP_BYFRAME |
| 10 | MARK_ASPECT_1_1 //< deprecated, it is only 1:1 sample aspect ratio |
| 11 | MARK_ASPECT_4_3 |
| 12 | MARK_ASPECT_16_9 |
| 13 | MARK_ASPECT_2_21_1 |
| 14 | MARK_ASPECT_CUSTOM |
| 15 | MARK_SCAN_PROGRESSIVE |
| 30 | MARK_VIDEO_WIDTH |
| 31 | MARK_VIDEO_HEIGHT |
| 32 | MARK_VIDEO_RATE |
| 33 | MARK_DURATION_MS |
| 34 | MARK_TOTAL_FRAMES |
| 40 | MARK_UTIL_PROGSTART |
| 41 | MARK_UTIL_LASTPLAYPOS |
