GstCodecParsers.AV1OperatingPoint¶
Fields¶
Name |
Type |
Access |
Description |
|---|---|---|---|
decoder_buffer_delay |
r/w |
specifies the time interval between the arrival of the first bit in the smoothing buffer and the subsequent removal of the data that belongs to the first coded frame for operating point op, measured in units of 1/90000 seconds. The length of decoder_buffer_delay is specified by buffer_delay_length_minus_1 + 1, in bits. |
|
decoder_model_present_for_this_op |
r/w |
equal to one indicates that there is a decoder model associated with this operating point. decoder_model_present_for_this_op equal to zero indicates that there is not a decoder model associated. |
|
encoder_buffer_delay |
r/w |
specifies, in combination with decoder_buffer_delay syntax element, the first bit arrival time of frames to be decoded to the smoothing buffer. encoder_buffer_delay is measured in units of 1/90000 seconds. For a video sequence that includes one or more random access points the sum of decoder_buffer_delay and encoder_buffer_delay shall be kept constant. |
|
idc |
r/w |
contains a bitmask that indicates which spatial and temporal layers should be decoded. Bit k is equal to 1 if temporal layer k should be decoded (for k between 0 and 7). Bit j+8 is equal to 1 if spatial layer j should be decoded (for j between 0 and 3). |
|
initial_display_delay_minus_1 |
r/w |
plus 1 specifies, for operating point i, the number of decoded frames that should be present in the buffer pool before the first presentable frame is displayed. This will ensure that all presentable frames in the sequence can be decoded at or before the time that they are scheduled for display. |
|
initial_display_delay_present_for_this_op |
r/w |
equal to 1 indicates that initial_display_delay_minus_1 is specified for this operating. 0 indicates that initial_display_delay_minus_1 is not specified for this operating point. |
|
low_delay_mode_flag |
r/w |
equal to 1 indicates that the smoothing buffer operates in low-delay mode for operating point op. In low-delay mode late decode times and buffer underflow are both permitted. low_delay_mode_flag equal to 0 indicates that the smoothing buffer operates in strict mode, where buffer underflow is not allowed. |
|
seq_level_idx |
r/w |
specifies the level that the coded video sequence conforms to. |
|
seq_tier |
r/w |
specifies the tier that the coded video sequence conforms to. |
Methods¶
None
Details¶
- class GstCodecParsers.AV1OperatingPoint¶