MPEG2 Sequence scalable Extension


sequence_scalable_extension(){
extension_start_code_identifier
scalable_mode
layer_id
if(scalable_mode == "spatial scalability"){
lower_layer_prediction_horizontal_size
marker_bit
lower_layer_prediction_vertical_size
horizontal_subsampling_factor_m
horizontal_subsampling_factor_n
vertical_subsampling_factor_m
vertical_subsampling_factor_n
}
if(scalable_mode == "temporal scalability") {
picture_mux_enable
if(picture_mux_enable)
mux_to_progressive_sequence
picture_mux_order
picture_mux_factor
}
next_start_code
}
No.of bits
4
2
4
 
14
1
14
5
5
5
5
 
 
1
 
1
3
3
ISO/IEC 13818-2, GENERIC CODING OF MOVING PICTURES AND ASSOCIATED AUDIO INFORMATION: VIDEO, 9 November 1994



MAIN >> MPEG2 Video_Sequence >> Extension_and_user_data >> Extension_data (BACK)

Created by: Kuan, Yeh Cheang. Copyright © 2002 YC Kuan. All rights reserved.