Encoding with dedicated -pix_fmt yuv420p: Post by flolilo » Thu Feb 08, 2018 2:55 pm. ¿Qué es lo que me falta?
ffmpeg -i INPUT.mkv -c:v libx265 -preset ultrafast -x265-params lossless=1 OUTPUT.mkv Most x265 switches (options with no value) can be specified like this (except those CLI-only ones, those are only used with x265 binary directly). Unable to use yuv420p with libx265. Hi everyone, I am trying to match an MP4 but can't find the correct options to achieve what I need. -chromaoffset (FFmpeg) QP difference between chroma and luma. h265 hev1/hvc1. Codifico un clip de película en blanco y negro con ffmpeg libx265 pasando -pix_fmt gris.La salida no se puede reproducir tanto en vlc … Higher values take more bits away from complex areas and edges and move them towards simpler, flatter … The resulting file size is half the size of the input which is awesome, but the problem is its encoding at X0.2 to X0.4 play speed, which is a huge problem. y4m [info]: 720x476 fps 30000/1001 i420p8 sar 32:27 unknown frame count raw [info]: output file: x265_ll_test_2.0.265 x265 [info]: HEVC encoder version 2.9+15-81373aab81df x265 [info]: build info [Windows][MSVC 1916][64 bit] 8bit+10bit+12bit x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX x265 [info]: Main profile, Level-8.5 (Main tier) x265 [info]: Thread pool … NVENC_HEVC vs Libx265 Im encoding a LOT of videos into HEVC, and I am currently using Libx265. ffmpeg -i input.mp4 -vcodec libx265 -crf 28 output.mp4 To see this technique applied using the older H.264 format, see this answer , quoted below for convenience: Calculate the bitrate you need by dividing your target size (in bits) by the video length (in seconds). --aq-strength (x264) none (FFmpeg) Adjusts the strength of adaptive quantization. Hello, Since the 20180206-version of ffmpeg, I seem to be unable to use yuv420p with libx265.