|
+ + | - - | ^ ^ |
| I-frame | key-frame, Intra frame coded | they can be
reconstructed without any reference to other frames
| P-frame
| Predicted frame,
| forward predicted
from the last I-frame or P-frame
| B-frame
| Bidirectional frame
| forward predicted and
backward predicted from the last/next I-frame or P-frame,
| |
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| Frame的重要程度: I>P>B |
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| 不同重要程度的封包掉了會造成服務品質不同程度的影響o |
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