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• C++ FFmpeg create mp4 file

  1er février 2021, par DDovzhenko

  I'm trying to create mp4 video file with FFmpeg and C++, but in result I receive broken file (windows player shows "Can't play ... 0xc00d36c4"). If I create .h264 file, it can be played with 'ffplay' and successfully converted to mp4 via CL.

  



  My code :

  



  int main() {
    char *filename = "tmp.mp4";
    AVOutputFormat *fmt;
    AVFormatContext *fctx;
    AVCodecContext *cctx;
    AVStream *st;

    av_register_all();
    avcodec_register_all();

    //auto detect the output format from the name
    fmt = av_guess_format(NULL, filename, NULL);
    if (!fmt) {
        cout << "Error av_guess_format()" << endl; system("pause"); exit(1);
    }

    if (avformat_alloc_output_context2(&fctx, fmt, NULL, filename) < 0) {
        cout << "Error avformat_alloc_output_context2()" << endl; system("pause"); exit(1);
    }


    //stream creation + parameters
    st = avformat_new_stream(fctx, 0);
    if (!st) {
        cout << "Error avformat_new_stream()" << endl; system("pause"); exit(1);
    }

    st->codecpar->codec_id = fmt->video_codec;
    st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
    st->codecpar->width = 352;
    st->codecpar->height = 288;
    st->time_base.num = 1;
    st->time_base.den = 25;

    AVCodec *pCodec = avcodec_find_encoder(st->codecpar->codec_id);
    if (!pCodec) {
        cout << "Error avcodec_find_encoder()" << endl; system("pause"); exit(1);
    }

    cctx = avcodec_alloc_context3(pCodec);
    if (!cctx) {
        cout << "Error avcodec_alloc_context3()" << endl; system("pause"); exit(1);
    }

    avcodec_parameters_to_context(cctx, st->codecpar);
    cctx->bit_rate = 400000;
    cctx->width = 352;
    cctx->height = 288;
    cctx->time_base.num = 1;
    cctx->time_base.den = 25;
    cctx->gop_size = 12;
    cctx->pix_fmt = AV_PIX_FMT_YUV420P;
    if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
        av_opt_set(cctx->priv_data, "preset", "ultrafast", 0);
    }
    if (fctx->oformat->flags & AVFMT_GLOBALHEADER) {
        cctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
    }
    avcodec_parameters_from_context(st->codecpar, cctx);

    av_dump_format(fctx, 0, filename, 1);

    //OPEN FILE + WRITE HEADER
    if (avcodec_open2(cctx, pCodec, NULL) < 0) {
        cout << "Error avcodec_open2()" << endl; system("pause"); exit(1);
    }
    if (!(fmt->flags & AVFMT_NOFILE)) {
        if (avio_open(&fctx->pb, filename, AVIO_FLAG_WRITE) < 0) {
            cout << "Error avio_open()" << endl; system("pause"); exit(1);
        }
    }
    if (avformat_write_header(fctx, NULL) < 0) {
        cout << "Error avformat_write_header()" << endl; system("pause"); exit(1);
    }


    //CREATE DUMMY VIDEO
    AVFrame *frame = av_frame_alloc();
    frame->format = cctx->pix_fmt;
    frame->width = cctx->width;
    frame->height = cctx->height;
    av_image_alloc(frame->data, frame->linesize, cctx->width, cctx->height, cctx->pix_fmt, 32);

    AVPacket pkt;
    double video_pts = 0;
    for (int i = 0; i < 50; i++) {
        video_pts = (double)cctx->time_base.num / cctx->time_base.den * 90 * i;

        for (int y = 0; y < cctx->height; y++) {
            for (int x = 0; x < cctx->width; x++) {
                frame->data[0][y * frame->linesize[0] + x] = x + y + i * 3;
                if (y < cctx->height / 2 && x < cctx->width / 2) {
                    /* Cb and Cr */
                    frame->data[1][y * frame->linesize[1] + x] = 128 + y + i * 2;
                    frame->data[2][y * frame->linesize[2] + x] = 64 + x + i * 5;
                }
            }
        }

        av_init_packet(&pkt);
        pkt.flags |= AV_PKT_FLAG_KEY;
        pkt.pts = frame->pts = video_pts;
        pkt.data = NULL;
        pkt.size = 0;
        pkt.stream_index = st->index;

        if (avcodec_send_frame(cctx, frame) < 0) {
            cout << "Error avcodec_send_frame()" << endl; system("pause"); exit(1);
        }
        if (avcodec_receive_packet(cctx, &pkt) == 0) {
            //cout << "Write frame " << to_string((int) pkt.pts) << endl;
            av_interleaved_write_frame(fctx, &pkt);
            av_packet_unref(&pkt);
        }
    }

    //DELAYED FRAMES
    for (;;) {
        avcodec_send_frame(cctx, NULL);
        if (avcodec_receive_packet(cctx, &pkt) == 0) {
            //cout << "-Write frame " << to_string((int)pkt.pts) << endl;
            av_interleaved_write_frame(fctx, &pkt);
            av_packet_unref(&pkt);
        }
        else {
            break;
        }
    }

    //FINISH
    av_write_trailer(fctx);
    if (!(fmt->flags & AVFMT_NOFILE)) {
        if (avio_close(fctx->pb) < 0) {
            cout << "Error avio_close()" << endl; system("pause"); exit(1);
        }
    }
    av_frame_free(&frame);
    avcodec_free_context(&cctx);
    avformat_free_context(fctx);

    system("pause");
    return 0;
}


  



  Output of program :

  



  Output #0, mp4, to 'tmp.mp4':
    Stream #0:0: Video: h264, yuv420p, 352x288, q=2-31, 400 kb/s, 25 tbn
[libx264 @ 0000021c4a995ba0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000021c4a995ba0] profile Constrained Baseline, level 2.0
[libx264 @ 0000021c4a995ba0] 264 - core 152 r2851 ba24899 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=12 keyint_min=1 scenecut=0 intra_refresh=0 rc=abr mbtree=0 bitrate=400 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
[libx264 @ 0000021c4a995ba0] frame I:5     Avg QP: 7.03  size:  9318
[libx264 @ 0000021c4a995ba0] frame P:45    Avg QP: 4.53  size:  4258
[libx264 @ 0000021c4a995ba0] mb I  I16..4: 100.0%  0.0%  0.0%
[libx264 @ 0000021c4a995ba0] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4: 100.0%  0.0%  0.0%  0.0%  0.0%    skip: 0.0%
[libx264 @ 0000021c4a995ba0] final ratefactor: 9.11
[libx264 @ 0000021c4a995ba0] coded y,uvDC,uvAC intra: 18.9% 21.8% 14.5% inter: 7.8% 100.0% 15.5%
[libx264 @ 0000021c4a995ba0] i16 v,h,dc,p:  4%  5%  5% 86%
[libx264 @ 0000021c4a995ba0] i8c dc,h,v,p:  2%  9%  6% 82%
[libx264 @ 0000021c4a995ba0] kb/s:264.68


  



  If I will try to play mp4 file with 'ffplay' it prints :

  



  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000026bf900] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 352x288, 138953 kb/s): unspecified pixel format
[h264 @ 00000000006c6ae0] non-existing PPS 0 referenced
[h264 @ 00000000006c6ae0] decode_slice_header error
[h264 @ 00000000006c6ae0] no frame!


  



  I've spent a lot of time without success of finding issue, what could be the reason of it ?

  



  Thank for help !

  


• setPTS outputting wrong duration (Ffmpeg)

  16 septembre 2020, par WebDiva

  I have a video of duration 14 seconds. I applied the setPTS filter to make it 3 times slow. So the total duration should be 42s (14*3). But the output gives a 49s long video. Here is the command :

  


  ffmpeg -i video.mp4 -filter_complex "[0:v]setpts=3*PTS[v];[0:a]atempo=0.6,atempo=0.5[a]" -map "[v]" -map "[a]" output.mp4


  


  What is wrong with this command ? I tried it for different videos but all has the same weird issue. Any help will be appreciated. Regards.

  


  Log :

  


  ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 10.2.1 (GCC) 20200805
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --enable-librav1e --enable-libsvtav1 --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  libavutil      56. 58.100 / 56. 58.100
  libavcodec     58.101.101 / 58.101.101
  libavformat    58. 51.101 / 58. 51.101
  libavdevice    58. 11.101 / 58. 11.101
  libavfilter     7. 87.100 /  7. 87.100
  libswscale      5.  8.100 /  5.  8.100
  libswresample   3.  8.100 /  3.  8.100
  libpostproc    55.  8.100 / 55.  8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2018-11-20T06:28:07.000000Z
  Duration: 00:00:14.72, start: 0.000000, bitrate: 688 kb/s
    Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 198x360 [SAR 1:1 DAR 11:20], 592 kb/s, 29.93 fps, 29.93 tbr, 29931 tbn, 59.86 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 96 kb/s (default)
    Metadata:
      creation_time   : 2018-11-20T06:28:07.000000Z
      handler_name    : IsoMedia File Produced by Google, 5-11-2011
File 'output.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 (h264) -> setpts
  Stream #0:1 (aac) -> atempo
  setpts -> Stream #0:0 (libx264)
  atempo -> Stream #0:1 (aac)
Press [q] to stop, [?] for help
[libx264 @ 0000021e37f15340] using SAR=1/1
[libx264 @ 0000021e37f15340] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000021e37f15340] profile High, level 1.3, 4:2:0, 8-bit
[libx264 @ 0000021e37f15340] 264 - core 161 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 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=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'output.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    encoder         : Lavf58.51.101
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 198x360 [SAR 1:1 DAR 11:20], q=-1--1, 29.93 fps, 29931 tbn, 29.93 tbc (default)
    Metadata:
      encoder         : Lavc58.101.101 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
    Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      encoder         : Lavc58.101.101 aac
frame= 1313 fps=256 q=-1.0 Lsize=    2241kB time=00:00:44.11 bitrate= 416.2kbits/s dup=875 drop=0 speed=8.61x
video:1500kB audio:693kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.182632%
[libx264 @ 0000021e37f15340] frame I:7     Avg QP:21.61  size: 18425
[libx264 @ 0000021e37f15340] frame P:331   Avg QP:24.78  size:  3593
[libx264 @ 0000021e37f15340] frame B:975   Avg QP:31.57  size:   223
[libx264 @ 0000021e37f15340] consecutive B-frames:  0.8%  0.2%  1.6% 97.5%
[libx264 @ 0000021e37f15340] mb I  I16..4:  3.6% 31.1% 65.3%
[libx264 @ 0000021e37f15340] mb P  I16..4:  0.8%  1.3%  4.2%  P16..4: 37.0% 29.0% 15.9%  0.0%  0.0%    skip:11.7%
[libx264 @ 0000021e37f15340] mb B  I16..4:  0.0%  0.0%  0.2%  B16..8:  8.4%  2.8%  1.2%  direct: 0.4%  skip:87.0%  L0:61.8% L1:31.0% BI: 7.3%
[libx264 @ 0000021e37f15340] 8x8 transform intra:22.3% inter:18.7%
[libx264 @ 0000021e37f15340] coded y,uvDC,uvAC intra: 73.2% 85.7% 52.9% inter: 11.6% 7.4% 0.7%
[libx264 @ 0000021e37f15340] i16 v,h,dc,p: 25% 33% 22% 19%
[libx264 @ 0000021e37f15340] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 28% 19%  4%  5%  4%  7%  5%  7%
[libx264 @ 0000021e37f15340] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 26% 13%  5%  7%  6%  7%  6%  7%
[libx264 @ 0000021e37f15340] i8c dc,h,v,p: 38% 29% 22% 11%
[libx264 @ 0000021e37f15340] Weighted P-Frames: Y:2.7% UV:0.3%
[libx264 @ 0000021e37f15340] ref P L0: 86.1%  8.9%  3.6%  1.4%  0.1%
[libx264 @ 0000021e37f15340] ref B L0: 94.7%  4.6%  0.8%
[libx264 @ 0000021e37f15340] ref B L1: 99.3%  0.7%
[libx264 @ 0000021e37f15340] kb/s:280.02
[aac @ 0000021e3847c900] Qavg: 729.586


  


• ffmpeg unable to parse really long command ; Invalid duration specification for to : 00:0011

  19 avril 2022, par jippyjoe4

  I'm trying to run an extremely long ffmpeg command but I end up getting an unusual error. I have the following command in a .cmd file :

  


  ffmpeg -ss "00:00:00" -to 00:00:10 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-morena-oliver-gustavo-9778487.mp4" -ss 00:00:00 -to 00:00:23 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_5112050.mp4" -ss 00:00:03 -to 00:00:29 -i "transformed\rain\pexels-kelly-lacy-9468768.mp4" -ss 00:00:00 -to 00:00:19 -i "transformed\rain\production ID_3925550.mp4" -ss 00:00:04 -to 00:00:30 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_3999405.mp4" -ss 00:00:00 -to 00:00:20 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-taryn-elliott-8549416.mp4" -ss 00:00:11 -to 00:00:37 -i "transformed\rain\pexels-anni-a-5285672.mp4" -ss 00:00:00 -to 00:00:26 -i "transformed\rain\pexels-jill-burrow-7681520.mp4" -ss 00:00:01 -to 00:00:27 -i "transformed\rain\pexels-bokor-marketing-10301571.mp4" -ss 00:00:00 -to 00:00:20 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4631227.mp4" -ss 00:00:10 -to 00:00:36 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_5108686.mp4" -ss 00:00:00 -to 00:00:10 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4742117.mp4" -ss 00:00:00 -to 00:00:18 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-missdeena-9934612.mp4" -ss 00:00:01 -to 00:00:27 -i "transformed\rain\production ID_4420218.mp4" -ss 00:00:02 -to 00:00:28 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_5108686.mp4" -ss 00:00:00 -to 00:00:10 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 4625.mp4" -ss 00:00:00 -to 00:00:10 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4742117.mp4" -ss 00:00:03 -to 00:00:29 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4919507.mp4" -ss 00:00:00 -to 00:00:15 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 1484703.mp4" -ss 00:00:00 -to 00:00:08 -i "transformed\rain\production ID_3816406.mp4" -ss 00:00:04 -to 00:00:30 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4757483.mp4" -ss 00:00:00 -to 00:00:16 -i "transformed\rain\pexels-hemanth-k-m-5487781.mp4" -ss 00:00:00 -to 00:00:10 -i "transformed\rain\Pexels Videos 2059694.mp4" -ss 00:00:15 -to 00:00:41 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 4618.mp4" -ss 00:00:04 -to 00:00:30 -i "transformed\rain\production ID_4472112.mp4" -ss 00:00:23 -to 00:00:49 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 1774955.mp4" -ss 00:00:00 -to 00:00:20 -i "transformed\rain\production ID_5025886.mp4" -ss 00:00:01 -to 00:00:27 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-francesco-ungaro-5227362.mp4" -ss 00:00:07 -to 00:00:33 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-atypeek-dgn-7043616.mp4" -ss 00:00:00 -to 00:00:24 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4919509.mp4" -ss 00:00:00 -to 00:00:20 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-taryn-elliott-8549416.mp4" -ss 00:00:00 -to 00:00:11 -i "transformed\rain\production ID_3816627.mp4" -ss 00:00:14 -to 00:00:40 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4184080.mp4" -ss 00:00:00 -to 00:00:26 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_5156396.mp4" -ss 00:00:02 -to 00:00:28 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4779388.mp4" -ss 00:00:03 -to 00:00:29 -i "transformed\rain\pexels-nelson-5843699.mp4" -ss 00:00:27 -to 00:00:53 -i "transformed\rain\pexels-okayama-candle-yutoridx-6445790.mp4" -ss 00:00:02 -to 00:00:28 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_5156396.mp4" -ss 00:00:00 -to 00:00:16 -i "transformed\rain\pexels-anastasia-shuraeva-7663345.mp4" -ss 00:00:01 -to 00:00:27 -i "transformed\rain\production ID_5155678.mp4" -ss 00:00:00 -to 00:00:14 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4933583.mp4" -ss 00:00:00 -to 00:00:11 -i "transformed\rain\production ID_4171515.mp4" -ss 00:00:00 -to 00:00:25 -i "transformed\rain\production ID_3999435.mp4" -ss 00:00:00 -to 00:00:10 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-anastasia-shuraeva-7663145.mp4" -ss 00:00:00 -to 00:00:19 -i "transformed\rain\production ID_4112833.mp4" -ss 00:00:00 -to 00:00:14 -i "transformed\rain\Pexels Videos 2491284.mp4" -ss 00:00:00 -to 00:00:14 -i "transformed\rain\pexels-marc-onana-6070850.mp4" -ss 00:00:05 -to 00:00:31 -i "transformed\rain\pexels-anni-a-5285672.mp4" -ss 00:01:23 -to 00:01:49 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 1841455.mp4" -ss 00:00:00 -to 00:00:14 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4198961.mp4" -ss 00:00:00 -to 00:00:14 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4198961.mp4" -ss 00:00:00 -to 00:00:14 -i "transformed\rain\pexels-marc-onana-6070850.mp4" -ss 00:00:00 -to 00:00:10 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-morena-oliver-gustavo-9778487.mp4" -ss 00:00:18 -to 00:00:44 -i "transformed\rain\production ID_4306829.mp4" -ss 00:00:00 -to 00:00:20 -i "transformed\rain\production ID_5025886.mp4" -ss 00:00:00 -to 00:00:23 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-shashank-kumar-5526255.mp4" -ss 00:00:00 -to 00:00:19 -i "transformed\rain\production ID_4112833.mp4" -ss 00:00:06 -to 00:00:32 -i "transformed\rain\production ID_4472112.mp4" -ss 00:00:01 -to 00:00:27 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4779388.mp4" -ss 00:00:00 -to 00:00:11 -i "transformed\rain\video.mp4" -ss 00:00:00 -to 00:00:19 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-muriel-7843122.mp4" -ss 00:00:00 -to 00:00:16 -i "transformed\rain\pexels-anastasia-shuraeva-7663345.mp4" -ss 00:00:00 -to 00:00:17 -i "transformed\rain\production ID_4059704.mp4" -ss 00:00:00 -to 00:00:24 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4919509.mp4" -ss 00:00:00 -to 00:00:23 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-shashank-kumar-5526255.mp4" -ss 00:00:06 -to 00:00:32 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-francesco-ungaro-5227362.mp4" -ss 00:00:00 -to 00:00:15 -i "transformed\rain\pexels-ivan-khmelyuk-9345855.mp4" -ss 00:00:00 -to 00:00:15 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-khanhhoangminh-10761873.mp4" -ss 00:00:06 -to 00:00:32 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4757483.mp4" -ss 00:00:08 -to 00:00:34 -i "F:\MusicGen\visual\transformed\rain - desaturated\video (1).mp4" -ss 00:00:00 -to 00:00:10 -i "transformed\rain\pexels-taryn-elliott-8549483.mp4" -ss 00:00:00 -to 00:00:11 -i "transformed\rain\video.mp4" -ss 00:00:00 -to 00:00:15 -i "transformed\rain\production ID_4272853.mp4" -ss 00:00:00 -to 00:00:15 -i "transformed\rain\production ID_4272853.mp4" -ss 00:00:18 -to 00:00:44 -i "transformed\rain\production ID_4306829.mp4" -ss 00:00:00 -to 00:00:19 -i "transformed\rain\production ID_3925550.mp4" -ss 00:00:04 -to 00:00:30 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-kelly-lacy-9632864.mp4" -ss 00:00:02 -to 00:00:28 -i "transformed\rain\production ID_5155678.mp4" -ss 00:00:05 -to 00:00:31 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-atypeek-dgn-7043616.mp4" -ss 00:00:00 -to 00:00:14 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4933583.mp4" -ss 00:01:18 -to 00:01:44 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 1841455.mp4" -ss 00:00:00 -to 00:00:15 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 1484703.mp4" -ss 00:00:24 -to 00:00:50 -i "F:\MusicGen\visual\transformed\rain - desaturated\base_video.mp4" -ss 00:00:01 -to 00:00:27 -i "transformed\rain\production ID_4420218.mp4" -ss 00:00:01 -to 00:00:27 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4184080.mp4" -ss 00:00:45 -to 00:01:11 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-nelson-5784640.mp4" -ss 00:00:02 -to 00:00:28 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4919507.mp4" -ss 00:00:00 -to 00:00:11 -i "transformed\rain\production ID_4171515.mp4" -ss 00:00:00 -to 00:00:19 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-muriel-7843122.mp4" -ss 00:00:00 -to 00:00:25 -i "transformed\rain\production ID_3999435.mp4" -ss 00:00:02 -to 00:00:28 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-kelly-lacy-9632864.mp4" -ss 00:00:00 -to 00:00:26 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 4618.mp4" -ss 00:00:00 -to 00:00:26 -i "transformed\rain\pexels-jill-burrow-7681520.mp4" -ss 00:00:00 -to 00:00:23 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_5112050.mp4" -ss 00:00:00 -to 00:00:26 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-ratikanta-mallick-5327689.mp4" -ss 00:00:24 -to 00:00:50 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 1774955.mp4" -ss 00:00:01 -to 00:00:27 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-ratikanta-mallick-5327689.mp4" -ss 00:00:02 -to 00:00:28 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_3999405.mp4" -ss 00:00:00 -to 00:00:23 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-jill-burrow-7681526.mp4" -ss 00:00:00 -to 00:00:10 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-anastasia-shuraeva-7663145.mp4" -ss 00:00:01 -to 00:00:27 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-punit-kumar-6040646.mp4" -ss 00:00:00 -to 00:00:23 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-jill-burrow-7681526.mp4" -ss 00:00:00 -to 00:00:10 -i "F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 4625.mp4" -ss 00:00:03 -to 00:00:29 -i "F:\MusicGen\visual\transformed\rain - desaturated\base_video.mp4" -ss 00:00:00 -to 00:00:20 -i "F:\MusicGen\visual\transformed\rain - desaturated\production ID_4631227.mp4" -ss 00:00:06 -to 00:00:32 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-punit-kumar-6040646.mp4" -ss 00:00:00 -to 00:00:14 -i "transformed\rain\Pexels Videos 2491284.mp4" -ss 00:00:00 -to 00:00:11 -i "transformed\rain\production ID_3816627.mp4" -ss 00:00:00 -to 00:00:18 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-missdeena-9934612.mp4" -ss 00:00:00 -to 00:00:08 -i "transformed\rain\production ID_3816406.mp4" -ss 00:00:00 -to 00:00:17 -i "transformed\rain\production ID_4059704.mp4" -ss 00:00:00 -to 00:00:15 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-khanhhoangminh-10761873.mp4" -ss 00:00:02 -to 00:00:28 -i "transformed\rain\pexels-kelly-lacy-9468768.mp4" -ss 00:00:04 -to 00:00:30 -i "transformed\rain\pexels-bokor-marketing-10301571.mp4" -ss 00:00:02 -to 00:00:28 -i "transformed\rain\pexels-nelson-5843699.mp4" -ss 00:00:13 -to 00:00:39 -i "F:\MusicGen\visual\transformed\rain - desaturated\video (1).mp4" -ss 00:00:00 -to 00:00:10 -i "transformed\rain\pexels-taryn-elliott-8549483.mp4" -ss 00:00:00 -to 00:00:15 -i "transformed\rain\pexels-ivan-khmelyuk-9345855.mp4" -ss 00:00:00 -to 00:00:10 -i "transformed\rain\Pexels Videos 2059694.mp4" -ss 00:00:09 -to 00:00:35 -i "F:\MusicGen\visual\transformed\rain - desaturated\pexels-nelson-5784640.mp4" -ss 00:00:00 -to 00:00:16 -i "transformed\rain\pexels-hemanth-k-m-5487781.mp4" -ss 00:00:17 -to 00:00:43 -i "transformed\rain\pexels-okayama-candle-yutoridx-6445790.mp4" -filter_complex 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-map [121v] -c:v h264_nvenc -cq 18 -c:a aac -q:a 4 -map_metadata -1 output.mp4 -y -hide_banner


  


  When I run this I get the following output :

  


  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\pexels-morena-oliver-gustavo-9778487.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:10.77, start: 0.000000, bitrate: 7875 kb/s
  Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 7872 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\production ID_5112050.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:23.63, start: 0.000000, bitrate: 2576 kb/s
  Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 2573 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'transformed\rain\pexels-kelly-lacy-9468768.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:30.87, start: 0.000000, bitrate: 18831 kb/s
  Stream #2:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 18828 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from 'transformed\rain\production ID_3925550.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:19.20, start: 0.000000, bitrate: 6552 kb/s
  Stream #3:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 6549 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #4, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\production ID_3999405.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:35.97, start: 0.000000, bitrate: 3374 kb/s
  Stream #4:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 3371 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #5, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\pexels-taryn-elliott-8549416.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:20.20, start: 0.000000, bitrate: 3399 kb/s
  Stream #5:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 3396 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #6, mov,mp4,m4a,3gp,3g2,mj2, from 'transformed\rain\pexels-anni-a-5285672.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:42.00, start: 0.000000, bitrate: 5201 kb/s
  Stream #6:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 5198 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #7, mov,mp4,m4a,3gp,3g2,mj2, from 'transformed\rain\pexels-jill-burrow-7681520.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:27.27, start: 0.000000, bitrate: 3461 kb/s
  Stream #7:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 3458 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
  
...

Input #15, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\Pexels Videos 4625.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 6029 kb/s
  Stream #15:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 6026 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #16, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\production ID_4742117.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:10.40, start: 0.000000, bitrate: 10139 kb/s
  Stream #16:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 10135 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #17, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\production ID_4919507.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:34.13, start: 0.000000, bitrate: 5249 kb/s
  Stream #17:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 5246 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]

... (abbreviating because this post must be less than 30,000)

Input #85, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\pexels-nelson-5784640.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:01:14.00, start: 0.000000, bitrate: 14026 kb/s
  Stream #85:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 14023 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Input #86, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\MusicGen\visual\transformed\rain - desaturated\production ID_4919507.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.4.100
  Duration: 00:00:34.13, start: 0.000000, bitrate: 5249 kb/s
  Stream #86:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 5246 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : L-SMASH Video Handler
      vendor_id       : [0][0][0][0]
Invalid duration specification for to: 00:0011


  


  I don't really understand what's going wrong here ; if you look at the input ffmpeg command, you'll see that there is no -to flag immediately followed by 00:0011 as the error message claims (scroll to the bottom). When I run that particular trim on the file in question separately, it is able to trim it just fine. You can also see that the input file is used prior to input #86 and doesn't receive this issue (see input #17).

  


  My only thought is that it has something to do with the command itself being so long. Is it possible that ffmpeg is not able to parse the command correctly because it is so long ? I'm on Windows 10 with ffmpeg version ffmpeg version 2021-07-14-git-ca56299fb3-full_build-www.gyan.dev. I get the same issue in both powershell and cmd. I am running it from a .cmd file because Windows won't let me run it from command line directly because it is longer than 8192 characters.