Unified · Split
| @@ -2183,6 +2183,52 @@ ffmpeg -i input -c:v libx265 -x265-params crf=26:psy-rd=1 output.mp4 · 2182 unmodified lines | ||
| 2183 | 2183 | @end example |
| 2184 | 2184 | @end table |
| 2185 | 2185 | |
| 2186 | +@section libxavs2 | |
| 2187 | + | |
| 2188 | +xavs2 AVS2-P2/IEEE1857.4 encoder wrapper. | |
| 2189 | + | |
| 2190 | +This encoder requires the presence of the libxavs2 headers and library | |
| 2191 | +during configuration. You need to explicitly configure the build with | |
| 2192 | +@option{--enable-libxavs2}. | |
| 2193 | + | |
| 2194 | +@subsection Options | |
| 2195 | + | |
| 2196 | +@table @option | |
| 2197 | +@item lcu_row_threads | |
| 2198 | +Set the number of parallel threads for rows from 1 to 8 (default 5). | |
| 2199 | + | |
| 2200 | +@item initial_qp | |
| 2201 | +Set the xavs2 quantization parameter from 1 to 63 (default 34). This is | |
| 2202 | +used to set the initial qp for the first frame. | |
| 2203 | + | |
| 2204 | +@item qp | |
| 2205 | +Set the xavs2 quantization parameter from 1 to 63 (default 34). This is | |
| 2206 | +used to set the qp value under constant-QP mode. | |
| 2207 | + | |
| 2208 | +@item max_qp | |
| 2209 | +Set the max qp for rate control from 1 to 63 (default 55). | |
| 2210 | + | |
| 2211 | +@item min_qp | |
| 2212 | +Set the min qp for rate control from 1 to 63 (default 20). | |
| 2213 | + | |
| 2214 | +@item speed_level | |
| 2215 | +Set the Speed level from 0 to 9 (default 0). Higher is better but slower. | |
| 2216 | + | |
| 2217 | +@item log_level | |
| 2218 | +Set the log level from -1 to 3 (default 0). -1: none, 0: error, | |
| 2219 | +1: warning, 2: info, 3: debug. | |
| 2220 | + | |
| 2221 | +@item xavs2-params | |
| 2222 | +Set xavs2 options using a list of @var{key}=@var{value} couples separated | |
| 2223 | +by ":". | |
| 2224 | + | |
| 2225 | +For example to specify libxavs2 encoding options with @option{-xavs2-params}: | |
| 2226 | + | |
| 2227 | +@example | |
| 2228 | +ffmpeg -i input -c:v libxavs2 -xavs2-params preset_level=5 output.avs2 | |
| 2229 | +@end example | |
| 2230 | +@end table | |
| 2231 | + | |
| 2186 | 2232 | @section libxvid |
| 2187 | 2233 | |
| 2188 | 2234 | Xvid MPEG-4 Part 2 encoder wrapper. |
| @@ -2794,52 +2840,6 @@ Reduces detail but attempts to preserve color at extremely low bitrates. · 605 unmodified lines | ||
| 2794 | 2840 | |
| 2795 | 2841 | @end table |
| 2796 | 2842 | |
| 2797 | −@section libxavs2 | |
| 2798 | − | |
| 2799 | −xavs2 AVS2-P2/IEEE1857.4 encoder wrapper. | |
| 2800 | − | |
| 2801 | −This encoder requires the presence of the libxavs2 headers and library | |
| 2802 | −during configuration. You need to explicitly configure the build with | |
| 2803 | −@option{--enable-libxavs2}. | |
| 2804 | − | |
| 2805 | −@subsection Options | |
| 2806 | − | |
| 2807 | −@table @option | |
| 2808 | −@item lcu_row_threads | |
| 2809 | −Set the number of parallel threads for rows from 1 to 8 (default 5). | |
| 2810 | − | |
| 2811 | −@item initial_qp | |
| 2812 | −Set the xavs2 quantization parameter from 1 to 63 (default 34). This is | |
| 2813 | −used to set the initial qp for the first frame. | |
| 2814 | − | |
| 2815 | −@item qp | |
| 2816 | −Set the xavs2 quantization parameter from 1 to 63 (default 34). This is | |
| 2817 | −used to set the qp value under constant-QP mode. | |
| 2818 | − | |
| 2819 | −@item max_qp | |
| 2820 | −Set the max qp for rate control from 1 to 63 (default 55). | |
| 2821 | − | |
| 2822 | −@item min_qp | |
| 2823 | −Set the min qp for rate control from 1 to 63 (default 20). | |
| 2824 | − | |
| 2825 | −@item speed_level | |
| 2826 | −Set the Speed level from 0 to 9 (default 0). Higher is better but slower. | |
| 2827 | − | |
| 2828 | −@item log_level | |
| 2829 | −Set the log level from -1 to 3 (default 0). -1: none, 0: error, | |
| 2830 | −1: warning, 2: info, 3: debug. | |
| 2831 | − | |
| 2832 | −@item xavs2-params | |
| 2833 | −Set xavs2 options using a list of @var{key}=@var{value} couples separated | |
| 2834 | −by ":". | |
| 2835 | − | |
| 2836 | −For example to specify libxavs2 encoding options with @option{-xavs2-params}: | |
| 2837 | − | |
| 2838 | −@example | |
| 2839 | −ffmpeg -i input -c:v libxavs2 -xavs2-params preset_level=5 output.avs2 | |
| 2840 | −@end example | |
| 2841 | −@end table | |
| 2842 | − | |
| 2843 | 2843 | @c man end VIDEO ENCODERS |
| 2844 | 2844 | |
| 2845 | 2845 | @chapter Subtitles Encoders |