Annex A - Video Constraints
This is a partial list of constraints of interest
The ATSC constraint on video buffer size is:
maximum video buffer = B = 7995392 bits, which is specified by transmitting:
vbv_buffer_size_value <= 488 (lower 10 bits of vbv_buffer_size)
vbv_buffer_size_extension = 0 (upper 8 bits of vbv_buffer_size)
where B = 16*1024*vbv_buffer_size.
The ATSC constraint on vbv_delay is
vbv_delay <= 45000
ATSC constrains PES packets for video:
Every video PES packet begins with the beginning of a video access unit.
For terrestrial broadcast, each PES packet contains no more than one coded video frame (may contain one or two coded fields or one frame).
Every PES header contains a PTS.
A PES packet devoid of video information must include the discontinuity_indicator to signal that the continuity_counter may be discontinuous.
Next: Annex B - Audio System
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