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vpxenc [2019/03/11 16:47] beandog created |
vpxenc [2019/03/11 16:51] (current) beandog |
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| ====== vpxenc ====== | ====== vpxenc ====== | ||
| + | |||
| + | ** Defaults: ** | ||
| + | |||
| + | <code> | ||
| + | vpxenc --passes=1 -v --webm transformers.y4m -o vpxenc_defaults.webm | ||
| + | </code> | ||
| + | |||
| + | <code> | ||
| + | Codec: WebM Project VP9 Encoder v1.5.0 | ||
| + | Source file: transformers.y4m File Type: Y4M Format: I420 | ||
| + | Destination file: vpxenc_defaults.webm | ||
| + | Encoder parameters: | ||
| + | g_usage = 0 | ||
| + | g_threads = 8 | ||
| + | g_profile = 0 | ||
| + | g_w = 720 | ||
| + | g_h = 480 | ||
| + | g_bit_depth = 8 | ||
| + | g_input_bit_depth = 8 | ||
| + | g_timebase.num = 1 | ||
| + | g_timebase.den = 1000 | ||
| + | g_error_resilient = 0 | ||
| + | g_pass = 0 | ||
| + | g_lag_in_frames = 25 | ||
| + | rc_dropframe_thresh = 0 | ||
| + | rc_resize_allowed = 0 | ||
| + | rc_scaled_width = 0 | ||
| + | rc_scaled_height = 0 | ||
| + | rc_resize_up_thresh = 60 | ||
| + | rc_resize_down_thresh = 30 | ||
| + | rc_end_usage = 0 | ||
| + | rc_target_bitrate = 256 | ||
| + | rc_min_quantizer = 0 | ||
| + | rc_max_quantizer = 63 | ||
| + | rc_undershoot_pct = 25 | ||
| + | rc_overshoot_pct = 25 | ||
| + | rc_buf_sz = 6000 | ||
| + | rc_buf_initial_sz = 4000 | ||
| + | rc_buf_optimal_sz = 5000 | ||
| + | rc_2pass_vbr_bias_pct = 50 | ||
| + | rc_2pass_vbr_minsection_pct = 0 | ||
| + | rc_2pass_vbr_maxsection_pct = 2000 | ||
| + | kf_mode = 1 | ||
| + | kf_min_dist = 0 | ||
| + | kf_max_dist = 149 | ||
| + | </code> | ||
| + | |||
| + | ** Setting end usage to q (quality): ** | ||
| + | |||
| + | ''rc_end_usage = 3'' is the only difference. | ||
| <code> | <code> | ||
