Hello, Using FFmpeg 4.4.1_3 or 5.0 the command below causes FFmpeg to use 6.5GB of RAM. The input file amix-audio.mov is only 348MB. I have also seen the same large memory footprint using join. Using either join or adelay+amix both merge the audio correctly into both outputs, but don’t expect FFmpeg to allocate 6.5GB of RAM. Am I doing something incorrectly? Am I not optimizing something that I should?
ffmpeg -loglevel info -y -hide_banner -i amix-audio.mov -sws_flags bicubic -filter_complex '[0:v]split=2[640_ADPP][640_adpp];[0:a:0]adelay=delays=0s:all=1[adelay0];[0:a:1]adelay=delays=14s:all=1[adelay1];[0:a:2]adelay=delays=29s:all=1[adelay2];[0:a:3]adelay=delays=41s:all=1[adelay3];[0:a:4]adelay=delays=56s:all=1[adelay4];[adelay0][adelay1][adelay2][adelay3][adelay4]amix=5,volumedetect,asplit=2[adp_audio_1][adp_audio_2];[640_adpp]scale='640x360'[640_adpp];[640_ADPP]scale='640x360'[640_ADPP]' \ -map '[640_adpp]' -map '[adp_audio_1]' -map_metadata -1 -f mp4 -vcodec libx264 -pix_fmt yuv420p -profile:v main -level 3.1 -crf 18 -b:v 2000K -movflags faststart -refs 4 -color_primaries bt709 -color_trc bt709 -colorspace bt709 -preset slower /tmp/123456_1.mp4 \ -map '[640_ADPP]' -map '[adp_audio_2]' -map_metadata -1 -f mp4 -vcodec libx264 -pix_fmt yuv420p -profile:v main -level 3.1 -crf 18 -b:v 2000K -movflags faststart -refs 4 -color_primaries bt709 -color_trc bt709 -colorspace bt709 -preset slower /tmp/123456_2.mp4 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'amix-audio.mov': Metadata: major_brand : qt minor_version : 537199360 compatible_brands: qt creation_time : 2015-09-23T22:51:18.000000Z com.apple.quicktime.player.version: 7.7.6 (Dev) com.apple.quicktime.version: 7.7.6 (1680.95.31) com.apple.quicktime.player.movie.audio.gain: 1.000000 com.apple.quicktime.player.movie.audio.treble: 0.000000 com.apple.quicktime.player.movie.audio.bass: 0.000000 com.apple.quicktime.player.movie.audio.balance: 0.000000 com.apple.quicktime.player.movie.audio.pitchshift: 0.000000 com.apple.quicktime.player.movie.audio.mute: com.apple.quicktime.player.movie.visual.brightness: 0.000000 com.apple.quicktime.player.movie.visual.color: 1.000000 com.apple.quicktime.player.movie.visual.tint: 0.000000 com.apple.quicktime.player.movie.visual.contrast: 1.000000 Duration: 00:01:13.54, start: 0.000000, bitrate: 39681 kb/s Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 39358 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default) Metadata: rotate : 0 creation_time : 2015-09-23T22:51:18.000000Z handler_name : Apple Video Media Handler vendor_id : [0][0][0][0] encoder : AVC Coding Side data: displaymatrix: rotation of -0.00 degrees Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 317 kb/s (default) Metadata: rotate : 0 creation_time : 2015-09-23T22:51:18.000000Z handler_name : Apple Sound Media Handler vendor_id : [0][0][0][0] Stream #0:2(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 317 kb/s (default) Metadata: rotate : 0 creation_time : 2015-09-23T22:51:18.000000Z handler_name : Apple Sound Media Handler vendor_id : [0][0][0][0] Stream #0:3(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 317 kb/s (default) Metadata: rotate : 0 creation_time : 2015-09-23T22:51:18.000000Z handler_name : Apple Sound Media Handler vendor_id : [0][0][0][0] Stream #0:4(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 317 kb/s (default) Metadata: rotate : 0 creation_time : 2015-09-23T22:51:18.000000Z handler_name : Apple Sound Media Handler vendor_id : [0][0][0][0] Stream #0:5(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 317 kb/s (default) Metadata: rotate : 0 creation_time : 2015-09-23T22:51:18.000000Z handler_name : Apple Sound Media Handler vendor_id : [0][0][0][0] [Parsed_volumedetect_7 @ 0x7fb984e0f540] n_samples: 0 Stream mapping: Stream #0:0 (h264) -> split Stream #0:1 (aac) -> adelay Stream #0:2 (aac) -> adelay Stream #0:3 (aac) -> adelay Stream #0:4 (aac) -> adelay Stream #0:5 (aac) -> adelay scale -> Stream #0:0 (libx264) asplit:output0 -> Stream #0:1 (aac) scale -> Stream #1:0 (libx264) asplit:output1 -> Stream #1:1 (aac) Press [q] to stop, [?] for help [out_1_0 @ 0x7fb98888a6c0] 100 buffers queued in out_1_0, something may be wrong. [out_1_0 @ 0x7fb98888a6c0] 1000 buffers queued in out_1_0, something may be wrong. [out_0_0 @ 0x7fb988889cc0] 100 buffers queued in out_0_0, something may be wrong. [out_0_0 @ 0x7fb988889cc0] 1000 buffers queued in out_0_0, something may be wrong. [libx264 @ 0x7fb98500c000] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 @ 0x7fb98500c000] profile Main, level 3.1, 4:2:0, 8-bit [libx264 @ 0x7fb98500c000] 264 - core 163 r3060 5db6aa6 - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - http://www.videolan.org/x264.html - options: cabac=1 ref=4 deblock=1:0:0 analyse=0x1:0x131 me=umh subme=9 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=2 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=11 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=18.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #0, mp4, to '/tmp/123456_1.mp4': Metadata: encoder : Lavf58.76.100 Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 640x360, q=2-31, 2000 kb/s, 29.97 fps, 30k tbn (default) Metadata: encoder : Lavc58.134.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/2000000 buffer size: 0 vbv_delay: N/A Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default) Metadata: encoder : Lavc58.134.100 aac [libx264 @ 0x7fb985018c00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 @ 0x7fb985018c00] profile Main, level 3.1, 4:2:0, 8-bit [libx264 @ 0x7fb985018c00] 264 - core 163 r3060 5db6aa6 - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - http://www.videolan.org/x264.html - options: cabac=1 ref=4 deblock=1:0:0 analyse=0x1:0x131 me=umh subme=9 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=2 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=11 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=18.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #1, mp4, to '/tmp/123456_2.mp4': Metadata: encoder : Lavf58.76.100 Stream #1:0: Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 640x360, q=2-31, 2000 kb/s, 29.97 fps, 30k tbn (default) Metadata: encoder : Lavc58.134.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/2000000 buffer size: 0 vbv_delay: N/A Stream #1:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default) Metadata: encoder : Lavc58.134.100 aac [mp4 @ 0x7fb985016800] Starting second pass: moving the moov atom to the beginning of the file=1.01x [mp4 @ 0x7fb985017a00] Starting second pass: moving the moov atom to the beginning of the file frame= 2204 fps= 31 q=-1.0 Lq=-1.0 size= 23120kB time=00:01:13.44 bitrate=2579.0kbits/s speed=1.02x video:43855kB audio:2292kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown [Parsed_volumedetect_7 @ 0x7fb98888a5c0] n_samples: 7016448 [Parsed_volumedetect_7 @ 0x7fb98888a5c0] mean_volume: -28.8 dB [Parsed_volumedetect_7 @ 0x7fb98888a5c0] max_volume: -10.3 dB [Parsed_volumedetect_7 @ 0x7fb98888a5c0] histogram_10db: 26 [Parsed_volumedetect_7 @ 0x7fb98888a5c0] histogram_11db: 39 [Parsed_volumedetect_7 @ 0x7fb98888a5c0] histogram_12db: 243 [Parsed_volumedetect_7 @ 0x7fb98888a5c0] histogram_13db: 887 [Parsed_volumedetect_7 @ 0x7fb98888a5c0] histogram_14db: 2794 [Parsed_volumedetect_7 @ 0x7fb98888a5c0] histogram_15db: 7046 [libx264 @ 0x7fb98500c000] frame I:11 Avg QP:16.16 size: 95713 [libx264 @ 0x7fb98500c000] frame P:640 Avg QP:19.02 size: 29545 [libx264 @ 0x7fb98500c000] frame B:1553 Avg QP:25.39 size: 1604 [libx264 @ 0x7fb98500c000] consecutive B-frames: 3.9% 3.1% 10.5% 82.6% [libx264 @ 0x7fb98500c000] mb I I16..4: 1.1% 0.0% 98.9% [libx264 @ 0x7fb98500c000] mb P I16..4: 0.1% 0.0% 0.3% P16..4: 51.1% 18.5% 21.9% 3.7% 2.6% skip: 1.8% [libx264 @ 0x7fb98500c000] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 23.2% 2.8% 1.5% direct:10.6% skip:61.9% L0:36.3% L1:49.2% BI:14.5% [libx264 @ 0x7fb98500c000] direct mvs spatial:99.6% temporal:0.4% [libx264 @ 0x7fb98500c000] coded y,uvDC,uvAC intra: 95.1% 92.0% 79.7% inter: 29.3% 18.4% 6.3% [libx264 @ 0x7fb98500c000] i16 v,h,dc,p: 32% 14% 16% 38% [libx264 @ 0x7fb98500c000] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 12% 9% 7% 8% 8% 10% 8% 15% [libx264 @ 0x7fb98500c000] i8c dc,h,v,p: 40% 29% 24% 8% [libx264 @ 0x7fb98500c000] Weighted P-Frames: Y:2.3% UV:0.3% [libx264 @ 0x7fb98500c000] ref P L0: 58.6% 14.2% 12.2% 14.0% 1.0% 0.0% [libx264 @ 0x7fb98500c000] ref B L0: 69.1% 19.8% 11.1% [libx264 @ 0x7fb98500c000] ref B L1: 89.6% 10.4% [libx264 @ 0x7fb98500c000] kb/s:2442.56 [aac @ 0x7fb985017400] Qavg: 638.288 [libx264 @ 0x7fb985018c00] frame I:11 Avg QP:16.16 size: 95713 [libx264 @ 0x7fb985018c00] frame P:640 Avg QP:19.02 size: 29545 [libx264 @ 0x7fb985018c00] frame B:1553 Avg QP:25.39 size: 1604 [libx264 @ 0x7fb985018c00] consecutive B-frames: 3.9% 3.1% 10.5% 82.6% [libx264 @ 0x7fb985018c00] mb I I16..4: 1.1% 0.0% 98.9% [libx264 @ 0x7fb985018c00] mb P I16..4: 0.1% 0.0% 0.3% P16..4: 51.1% 18.5% 21.9% 3.7% 2.6% skip: 1.8% [libx264 @ 0x7fb985018c00] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 23.2% 2.8% 1.5% direct:10.6% skip:61.9% L0:36.3% L1:49.2% BI:14.5% [libx264 @ 0x7fb985018c00] direct mvs spatial:99.6% temporal:0.4% [libx264 @ 0x7fb985018c00] coded y,uvDC,uvAC intra: 95.1% 92.0% 79.7% inter: 29.3% 18.4% 6.3% [libx264 @ 0x7fb985018c00] i16 v,h,dc,p: 32% 14% 16% 38% [libx264 @ 0x7fb985018c00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 12% 9% 7% 8% 8% 10% 8% 15% [libx264 @ 0x7fb985018c00] i8c dc,h,v,p: 40% 29% 24% 8% [libx264 @ 0x7fb985018c00] Weighted P-Frames: Y:2.3% UV:0.3% [libx264 @ 0x7fb985018c00] ref P L0: 58.6% 14.2% 12.2% 14.0% 1.0% 0.0% [libx264 @ 0x7fb985018c00] ref B L0: 69.1% 19.8% 11.1% [libx264 @ 0x7fb985018c00] ref B L1: 89.6% 10.4% [libx264 @ 0x7fb985018c00] kb/s:2442.56 [aac @ 0x7fb98501a600] Qavg: 638.288 Bryce Chester Newman | Principal Developer p: +12069255045 |
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