Table 3 Multiple switching between the streams
From: Efficient bitstream switching for streaming of H.264/AVC coded video
Sequence | Description | Original bitstream | Periodic switching | Proposed algorithm | |||
|---|---|---|---|---|---|---|---|
| Â | Â | Bitstream1 | Bitstream2 | Â | Â | Â | Â |
Coastguard | QP of original bitstream | 30 | 20 | Up switching at frame no. 96 | Down switching at frame no. 216 | Up switching at frame no. 97 | Down switching at frame no. 222 |
| Â | Average PSNR (dB) | 32.96 | 40.91 | 36.15 | 36.28 | ||
| Â | Average bit rate (Kbps) | 756 | 3164 | 1697 | 1734 | ||
| Â | Bandwidth utilization | Â | Â | 15% | 66% | 100% | 100% |
| Â | Buffer bits wastage | Â | Â | 2320384 | 2585728 | 0 | 0 |
Mobile | QP of original bitstream | 25 | 30 | Down switching at frame no. 152 | Up switching at frame no. 247 | Down switching at frame no. 160 | Up switching at frame no. 246 |
| Â | Average PSNR (dB) | 36.44 | 31.87 | 34.97 | 35.10 | ||
| Â | Average bit rate (Kbps) | 2815 | 1296 | 2385 | 2434 | ||
| Â | Bandwidth utilization | Â | Â | 16% | 68% | 100% | 100% |
| Â | Buffer bits wastage | Â | Â | 11664049 | 7011847 | 0 | 0 |