On 24/05/2024 13.19, Andrew Randrianasulu wrote:
пт, 24 мая 2024 г., 20:16 Mark Filipak <markfilipak.i...@gmail.com>:
This is from H.262.
___________________________________________________________________
| |
| field_sequence – A 3-bit integer which defines the number of the |
| field in the eight field sequence used in PAL systems or the four |
| field sequence used in NTSC systems as defined in the Table 6-15. |
| |
| Table 6-15 – Definition of field_sequence |
| Field sequence Frame Field |
| 000 1 1 |
| 001 1 2 |
| 010 2 3 |
| 011 2 4 |
| 100 3 5 |
| 101 3 6 |
| 110 4 7 |
| 111 4 8 |
|___________________________________________________________________|
That is a quote of the complete section.
Does anyone know what MPEG is trying to say?
my guess: telecine pattern?
Nope. Hard telecine is covered by top_field_first and is indistinguishable from television unless
you single step through the pictures looking for motion combing in every frame. Soft telecine is
covered by top_field_first and repeat_first_field and is evident while single stepping and looking
for motion combing patterns due to pull-down. This is something different, but I've never been able
to figure out what it is.
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