mpeg2:mpeg2_elementary_stream_structure
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| mpeg2:mpeg2_elementary_stream_structure [2022/05/10 19:46] – emcodem | mpeg2:mpeg2_elementary_stream_structure [2022/05/10 20:01] (current) – emcodem | ||
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| - | ===== Formatting Syntax ===== | + | < |
| + | <!-- this is the global style for html elements on this page --> | ||
| + | <style type=" | ||
| + | /* Tabelle mit Standardwerten */ | ||
| + | #sheme | ||
| + | { border : 1px solid #4088b8; padding : 0px; margin : 10px 0px 18px 0px; font-size : 12px; background-color : #f4f4f4; } | ||
| + | #sheme th | ||
| + | { vertical-align : top; padding : 5px; border : 1px dotted #4088b8; font-size : 90%; } | ||
| + | #sheme td | ||
| + | { vertical-align : top; padding : 5px; border : 1px dotted #4088b8; font-size : 90%; } | ||
| + | /* Tabelle für Bytedarstellungen */ | ||
| + | #byte | ||
| + | { width : 800px; border : 1px solid #4088b8; padding : 0px; margin : 10px 0px 18px 0px; color : #4088b8; background-color : #ecf3f8; font-size : 12px; font-weight : normal; } | ||
| + | #byte th | ||
| + | { width : 93px; border : 1px dotted #4088b8; padding : 4px; text-align : center; vertical-align : middle; font-weight : bold; line-height: | ||
| + | #byte td | ||
| + | { width : 93px; border : 1px dotted #4088b8; padding : 4px; text-align : center; vertical-align : middle; line-height: | ||
| + | #byte td: | ||
| + | { width : 56px; font-weight : bold; } | ||
| + | </ | ||
| + | </ | ||
| - | [[doku> | ||
| - | |||
| - | ===== Basic Text Formatting ===== | ||
| - | + | ===== MPEG-2 Elementary Video ===== | |
| - | ===== Formatting Syntax | + | |
| - stream structure | - stream structure | ||
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| The structure differs from that of MPEG-1 elementary video in terms of the possible extensions and, in the case of the TMPG encoder, the number of slices. | The structure differs from that of MPEG-1 elementary video in terms of the possible extensions and, in the case of the TMPG encoder, the number of slices. | ||
| - | |||
| - | |||
| - | ===== MPEG-2 Elementary Video ===== | ||
| - | |||
| - | Structure of an MPEG-2 program stream. | + | ==== Structure of an MPEG-2 program stream. |
| + | < | ||
| - | |||
| - | ==== video streaming: ==== | ||
| - | < | ||
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| < | < | ||
| <tr height=" | <tr height=" | ||
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| <tr height=" | <tr height=" | ||
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| <tr height=" | <tr height=" | ||
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| <tr height=" | <tr height=" | ||
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| It should also happen that sequence headers are not marked with $000001B3 but with $000000B3. | It should also happen that sequence headers are not marked with $000001B3 but with $000000B3. | ||
| - | = Construction = | + | == Construction |
| - 4 bytes: SEQUENCE_HEADER_CODE = $000001B3 | - 4 bytes: SEQUENCE_HEADER_CODE = $000001B3 | ||
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| < | < | ||
| <div id=" | <div id=" | ||
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| <tr height=" | <tr height=" | ||
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| Extensions have the ID $B5. This is followed by the ID of the extension, here $1. | Extensions have the ID $B5. This is followed by the ID of the extension, here $1. | ||
| - | = Construction = | + | == Construction |
| - 4 bytes: EXTENSION_START_CODE = $000001B5 | - 4 bytes: EXTENSION_START_CODE = $000001B5 | ||
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| <div id=" | <div id=" | ||
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| <tr height=" | <tr height=" | ||
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| Extensionen are ID $B5. The ID is $2. | Extensionen are ID $B5. The ID is $2. | ||
| - | = Construction = | + | == Construction |
| 4 Byte: EXTENSION_START_CODE = $000001B5 | 4 Byte: EXTENSION_START_CODE = $000001B5 | ||
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| Extensions have the ID $B5. The ID of this extension is $3. | Extensions have the ID $B5. The ID of this extension is $3. | ||
| - | = Construction = | + | == Construction |
| 4 bytes: EXTENSION_START_CODE = $000001B5 | 4 bytes: EXTENSION_START_CODE = $000001B5 | ||
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| < | < | ||
| - | |||
| - | <style type=" | ||
| - | /* Tabelle mit Standardwerten */ | ||
| - | #default | ||
| - | { width : 100%; border : 1px solid #4088b8; padding : 0px; margin : 10px 0px 18px 0px; float : right; font-size : 12px; background-color : #f4f4f4; } | ||
| - | #default th | ||
| - | { vertical-align : top; padding : 5px; border : 1px dotted #4088b8; font-size : 90%; } | ||
| - | #default td | ||
| - | { vertical-align : top; padding : 5px; border : 1px dotted #4088b8; font-size : 90%; } | ||
| - | /* Tabelle für Bytedarstellungen */ | ||
| - | #byte | ||
| - | { width : 800px; border : 1px solid #4088b8; padding : 0px; margin : 10px 0px 18px 0px; float : right; color : #4088b8; background-color : #ecf3f8; font-size : 12px; font-weight : normal; } | ||
| - | #byte th | ||
| - | { width : 93px; border : 1px dotted #4088b8; padding : 4px; text-align : center; vertical-align : middle; font-weight : bold; line-height: | ||
| - | #byte td | ||
| - | { width : 93px; border : 1px dotted #4088b8; padding : 4px; text-align : center; vertical-align : middle; line-height: | ||
| - | #byte td: | ||
| - | { width : 56px; font-weight : bold; } | ||
| - | </ | ||
| <table id=" | <table id=" | ||
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| Extensions have the ID $B5. This extension has the ID $4. | Extensions have the ID $B5. This extension has the ID $4. | ||
| - | = Construction = | + | == Construction |
| * 4 bytes: EXTENSION_START_CODE = $000001B5 | * 4 bytes: EXTENSION_START_CODE = $000001B5 | ||
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| Extensions generally have ID $B5. This extensions has got ID $5. | Extensions generally have ID $B5. This extensions has got ID $5. | ||
| - | = Construction = | + | == Construction |
| * 4 Byte: EXTENSION_START_CODE = $000001B5 | * 4 Byte: EXTENSION_START_CODE = $000001B5 | ||
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| The ID $B8 follows the PACK_START_CODE_PREFIX for the GROUP_START_CODE. The length of the header is 4 bytes. | The ID $B8 follows the PACK_START_CODE_PREFIX for the GROUP_START_CODE. The length of the header is 4 bytes. | ||
| - | = Construction = | + | == Construction |
| * 4 bytes: GROUP_START_CODE = $000001B8 | * 4 bytes: GROUP_START_CODE = $000001B8 | ||
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| The extension start code with the ID $B5 is followed by four bits with the extension ID $B7. | The extension start code with the ID $B5 is followed by four bits with the extension ID $B7. | ||
| - | = Construction = | + | == Construction |
| * 4 bytes: EXTENSION_START_CODE = $000001B5 | * 4 bytes: EXTENSION_START_CODE = $000001B5 | ||
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| The extension start code with the ID $B5 is followed by four bits with the extension ID $B8. | The extension start code with the ID $B5 is followed by four bits with the extension ID $B8. | ||
| - | = Construction = | + | == Construction |
| 4 bytes: EXTENSION_START_CODE = $000001B5 | 4 bytes: EXTENSION_START_CODE = $000001B5 | ||
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| The extension start code with the ID $B5 is followed by four bits with the extension ID $B8. | The extension start code with the ID $B5 is followed by four bits with the extension ID $B8. | ||
| - | = Construction = | + | == Construction |
| 4 bytes: EXTENSION_START_CODE = $000001B5 | 4 bytes: EXTENSION_START_CODE = $000001B5 | ||
mpeg2/mpeg2_elementary_stream_structure.1652212017.txt.gz · Last modified: 2022/05/10 19:46 by emcodem