UPDATED 22.03.2022

Vader's HLS BEST TRANSCODING SETTING FOR FFMPEG

Native Decode / Native Encode Single Audio (libx264 | AAC)

ffmpeg -hide_banner -i <input> \
                -map 0:a:0 -map 0:v:0 -map 0:v:0 -map 0:v:0 -map 0:v:0 \
                -c:v libx264 -c:a aac -ac 2 -ar 44100 \
                -filter:v:0 "scale=768:-2" -filter:v:1 "scale=960:-2" -filter:v:2 "scale=1280:-2" -filter:v:3 "scale=1920:-2" \
                -b:a:0 192k \
                -b:v:0 960k -bufsize:v:0 1920k -maxrate:v:0 1200k \
                -b:v:1 2040k -bufsize:v:1 4080k -maxrate:v:1 2400k \
                -b:v:2 3260k -bufsize:v:2 6520k -maxrate:v:2 3400k \
                -b:v:3 4600k -bufsize:v:3 9200k -maxrate:v:3 5200k \
                -coder:v cabac -bf:v 3 -sc_threshold 0 \
                -bsf:v "filter_units=remove_types=6" -bsf:a aac_adtstoasc -rc-lookahead:v 32 -tune film \
                -profile:v:0 main -profile:v:1 main -profile:v:2 high -profile:v:3 high \
                -var_stream_map "a:0,agroup:audio,default:yes,language:ENG,name:1 v:0,agroup:audio,name:432 v:1,agroup:audio,name:540 v:2,agroup:audio,name:720 v:3,agroup:audio,name:1080" \
                -threads 0 -preset fast -g <fps*2> -keyint_min <fps*2> \
                -x264opts "keyint=<fps*2>:min-keyint=<fps*2>:no-scenecut:nal-hrd=vbr" -pix_fmt yuv420p \
                -f hls -hls_playlist_type vod -hls_allow_cache 1 -hls_time 6 \
                -map_metadata -1 -map_chapters -1 -hls_list_size 0 \
                -master_pl_name manifest.m3u8 \
                -hls_segment_filename ts/%v_%05d.ts \
                ts/%v.m3u8

Edit settings like -g, -keyint_min, keyint, min-keyint your video's frame rate value * 2

Output Native Single Audio

Native Decode / Native Encode Multi Audio (libx264 | AAC)

ffmpeg -hide_banner -i <input> \
                -map 0:a:m:language:eng -map 0:a:m:language:tur -map 0:v:0 -map 0:v:0 -map 0:v:0 -map 0:v:0 \
                -c:v libx264 -c:a aac -ac 2 -ar 44100 \
                -filter:v:0 "scale=768:-2" -filter:v:1 "scale=960:-2" -filter:v:2 "scale=1280:-2" -filter:v:3 "scale=1920:-2" \
                -b:a:0 192k \
                -b:a:1 192k \
                -b:v:0 960k -bufsize:v:0 1920k -maxrate:v:0 1200k \
                -b:v:1 2040k -bufsize:v:1 4080k -maxrate:v:1 2400k \
                -b:v:2 3260k -bufsize:v:2 6520k -maxrate:v:2 3400k \
                -b:v:3 4600k -bufsize:v:3 9200k -maxrate:v:3 5200k \
                -coder:v cabac -bf:v 3 -sc_threshold 0 \
                -bsf:v "filter_units=remove_types=6" -bsf:a aac_adtstoasc -rc-lookahead:v 32 -tune film \
                -profile:v:0 main -profile:v:1 main -profile:v:2 high -profile:v:3 high \
                -var_stream_map "a:0,agroup:audio,default:yes,language:ENG,name:1 a:1,agroup:audio,default:no,language:TUR,name:0 v:0,agroup:audio,name:432 v:1,agroup:audio,name:540 v:2,agroup:audio,name:720 v:3,agroup:audio,name:1080" \
                -threads 0 -preset fast -g <fps*2> -keyint_min <fps*2> \
                -x264opts "keyint=<fps*2>:min-keyint=<fps*2>:no-scenecut:nal-hrd=vbr" -pix_fmt yuv420p \
                -f hls -hls_playlist_type vod -hls_allow_cache 1 -hls_time 6 \
                -map_metadata -1 -map_chapters -1 -hls_list_size 0 \
                -master_pl_name manifest.m3u8 \
                -hls_segment_filename ts/%v_%05d.ts \
                ts/%v.m3u8

Edit settings like -g, -keyint_min, keyint, min-keyint your video's frame rate value * 2

Example Out: Native Multi Audio

Nvidia Cuvid Decode / Nvidia Nvenc Encode / Libfdk_aac Multi Audio (H264_CUVID | H264_NVENC | LIBFDK_AAC)

ffmpeg -hide_banner \
       -hwaccel cuvid \
       -hwaccel_output_format cuda \
       -c:v h264_cuvid \
       -i <input> \
       -map 0:a:m:language:eng -map 0:a:m:language:tur -map 0:v:0 -map 0:v:0 -map 0:v:0 -map 0:v:0 \
       -codec:v h264_nvenc \
       -c:a libfdk_aac \
       -ac 2 \
       -ar 44100 \
       -filter:v:0 "scale_npp=768:-2:interp_algo=super" \
       -filter:v:1 "scale=960:-2:interp_algo=super" \
       -filter:v:2 "scale=1280:-2:interp_algo=super" \
       -filter:v:3 "scale=1920:-2:interp_algo=super" \
       -b:a:0 192k \
       -b:a:1 192k \
       -b:v:0 960k -bufsize:v:0 1920k -maxrate:v:0 1200k \
       -b:v:1 2040k -bufsize:v:1 4080k -maxrate:v:1 2400k \
       -b:v:2 3260k -bufsize:v:2 6520k -maxrate:v:2 3400k \
       -b:v:3 4600k -bufsize:v:3 9200k -maxrate:v:3 5200k \
       -coder:v cabac \
       -bf:v 3 \
       -rc:v vbr_hq \
       -sc_threshold 0 \
       -refs:v 16 \
       -bsf:v "filter_units=remove_types=6" \
       -bsf:a aac_adtstoasc \
       -rc-lookahead:v 40 \
       -profile:v:0 main \
       -profile:v:1 main \
       -profile:v:2 high \
       -profile:v:3 high \
       -var_stream_map "a:0,agroup:audio,default:yes,language:ENG,name:1 a:1,agroup:audio,default:no,language:TUR,name:0 v:0,agroup:audio,name:432 v:1,agroup:audio,name:540 v:2,agroup:audio,name:720 v:3,agroup:audio,name:1080" \
       -preset fast \
       -tune ll \
       -g <fps*2> \
       -keyint_min <fps*2> \
       -pix_fmt cuda \
       -f hls \
       -hls_playlist_type vod \
       -hls_allow_cache 1 \
       -hls_time 6 \
       -map_metadata -1 \
       -map_chapters -1 \
       -hls_list_size 0 \
       -movflags +faststart \
       -master_pl_name manifest.m3u8 \
       -hls_segment_filename ts/%v_%05d.ts \
       ts/%v.m3u8

Example Out: Nvidia Multi Audio 4K Quality

For this example out we use gpu Tesla P100

Multi Video Files Instant HLS Conversion

Sound must have AAC Codec with 44100HZ Stero Channel max 320KBs Codec

Videos must have H264 8Bit (Max 4K resolution) Codec with global header

ffmpeg -hide_banner -i sound.aac -i 432.mp4 -i 540.mp4 -i 720.mp4 -i 1080.mp4 \
                -map 0:a -map 1:v -map 2:v -map 3:v -map 4:v \
                -codec:v copy -c:a copy \                                
                -bsf:v "filter_units=remove_types=6" -bsf:a aac_adtstoasc \
                -var_stream_map "a:0,agroup:audio,default:yes,language:ENG,name:1 v:0,agroup:audio,name:432 v:1,agroup:audio,name:540 v:2,agroup:audio,name:720 v:3,agroup:audio,name:1080" \
                -f hls -hls_playlist_type vod -hls_allow_cache 1 -hls_time 6 \
                -map_metadata -1 -map_chapters -1 -hls_list_size 0 \
                -master_pl_name manifest.m3u8 \
                -hls_segment_filename ts/%v_%05d.ts \
                ts/%v.m3u8

masterofthesith/ffmpeg