mpeg2:mpeg2_elementary_stream_structure
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| mpeg2:mpeg2_elementary_stream_structure [2022/05/10 19:51] – emcodem | mpeg2:mpeg2_elementary_stream_structure [2022/05/10 20:01] (current) – emcodem | ||
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| /* Tabelle mit Standardwerten */ | /* Tabelle mit Standardwerten */ | ||
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| - | { width : 100%; border : 1px solid #4088b8; padding : 0px; margin : 10px 0px 18px 0px; float : right; font-size : 12px; background-color : #f4f4f4; } | + | { border : 1px solid #4088b8; padding : 0px; margin : 10px 0px 18px 0px; font-size : 12px; background-color : #f4f4f4; } |
| - | #default | + | #sheme th |
| { vertical-align : top; padding : 5px; border : 1px dotted #4088b8; font-size : 90%; } | { vertical-align : top; padding : 5px; border : 1px dotted #4088b8; font-size : 90%; } | ||
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| { vertical-align : top; padding : 5px; border : 1px dotted #4088b8; font-size : 90%; } | { vertical-align : top; padding : 5px; border : 1px dotted #4088b8; font-size : 90%; } | ||
| /* Tabelle für Bytedarstellungen */ | /* Tabelle für Bytedarstellungen */ | ||
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| + | ===== MPEG-2 Elementary Video ===== | ||
| + | |||
| - stream structure | - stream structure | ||
| - Sequence headers | - Sequence headers | ||
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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. | ||
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| - | ===== MPEG-2 Elementary Video ===== | ||
| - | + | ==== Structure of an MPEG-2 program stream. ==== | |
| - | Structure of an MPEG-2 program stream. | + | |
| - | + | ||
| - | + | ||
| - | ==== video streaming: | + | |
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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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| 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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| 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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| 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.1652212308.txt.gz · Last modified: 2022/05/10 19:51 by emcodem