Table 2 Comparison of bit wastage in periodic SP-frames and our proposed algorithm
From: Efficient bitstream switching for streaming of H.264/AVC coded video
Sequence | Description | Switching at frame no. | Switching at frame no. | Switching at frame no. | |||
|---|---|---|---|---|---|---|---|
Coastguard | Switching from bitstream at QP 20 to bitstream at QP 30 | 144 for Periodic | 142 for Proposed algorithm | 180 for Periodic | 179 for Proposed algorithm | 216 for Periodic | 222 for Proposed algorithm |
| Â | Band width Utilization | 93% | 100% | 87% | 100% | 81% | 100% |
| Â | Buffer bits wasted | 639600 | 0 | 1496136 | 0 | 2542520 | 0 |
Mobile | Switching from bitstream at QP 30 to bitstream at QP 25 | 152 for Periodic | 160 for Proposed algorithm | 228 for Periodic | 230 for Proposed algorithm | 247 for Periodic | 246 for Proposed algorithm |
| Â | Band width Utilization | 99% | 100% | 91% | 100% | 88% | 100% |
| Â | Buffer bits wasted | 43209 | 0 | 540277 | 0 | 727570 | 0 |