Recommendation ITU-T H.273 (07/2021) Coding-independent code points for video signal type identification Summary History FOREWORD CONTENTS Introduction 1 Scope 2 Normative references 2.1 Identical Recommendations | International Standards 2.2 Paired Recommendations | International Standards equivalent in technical content 2.3 Additional references 3 Definitions 4 Abbreviations 5 Conventions 5.1 Arithmetic operators 5.2 Relational operators 5.3 Bit-wise operators 5.4 Mathematical functions 6 Specified code points 7 Principles for definition and referencing of code points 7.1 Application usage 7.2 Code point encoding and defaults 7.3 Externally defined values 7.4 Reference format 8 Video code points 8.1 Colour primaries 8.2 Transfer characteristics 8.3 Matrix coefficients 8.4 Video frame packing type 8.5 Packed video content interpretation 8.6 Sample aspect ratio indicator 8.7 Chroma 4:2:0 sample location type Bibliography <\pre>