[FFmpeg-user] Issue while merge large .wav file into .webm file

[Kieran O Leary]

On Fri, Jan 25, 2019 at 3:29 PM AMIT KUMAR <amitksoft8 at gmail.com> wrote:

> Hi,
> I need urgent basis solution for that why that becomes 0 kb.Please give me
> the solution at High priority basis its urgent.My client get really
> annoying.
>

You would have received help much sooner if you manually used ffmpeg and
posted the command line output. I can't solve this issue but in order to
get you better help, i'll post the command and the error for you:

$ ffmpeg -i 407118_agentPL27_2018-09-26T16-18-17.webm
407118_agentPL27_2018-09-26T16-18-17_in.mp4

ffmpeg version 4.1 Copyright (c) 2000-2018 the FFmpeg developers

  built with Apple LLVM version 8.0.0 (clang-800.0.42.1)

  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.1 --enable-shared
--enable-pthreads --enable-version3 --enable-hardcoded-tables
--enable-avresample --cc=clang --host-cflags= --host-ldflags=
--enable-ffplay --enable-gpl --enable-libmp3lame --enable-libopus
--enable-libsnappy --enable-libtheora --enable-libvorbis --enable-libvpx
--enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma
--enable-libass --enable-libfreetype --enable-libtesseract --enable-opencl
--enable-videotoolbox --enable-libopenjpeg --disable-decoder=jpeg2000
--extra-cflags=-I/usr/local/Cellar/openjpeg/2.3.0/include/openjpeg-2.3

  libavutil      56. 22.100 / 56. 22.100

  libavcodec     58. 35.100 / 58. 35.100

  libavformat    58. 20.100 / 58. 20.100

  libavdevice    58.  5.100 / 58.  5.100

  libavfilter     7. 40.101 /  7. 40.101

  libavresample   4.  0.  0 /  4.  0.  0

  libswscale      5.  3.100 /  5.  3.100

  libswresample   3.  3.100 /  3.  3.100

  libpostproc    55.  3.100 / 55.  3.100

Input #0, matroska,webm, from '407118_agentPL27_2018-09-26T16-18-17.webm':

  Metadata:

    encoder         : Chrome

  Duration: N/A, start: 0.000000, bitrate: N/A

    Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)

    Stream #0:1(eng): Video: h264 (Constrained Baseline),
yuv420p(progressive), 240x320, SAR 1:1 DAR 3:4, 16.67 fps, 16.67 tbr, 1k
tbn, 2k tbc (default)

File '407118_agentPL27_2018-09-26T16-18-17_in.mp4' already exists.
Overwrite ? [y/N] y

Stream mapping:

  Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))

  Stream #0:0 -> #0:1 (opus (native) -> aac (native))

Press [q] to stop, [?] for help

Too many packets buffered for output stream 0:1.

[aac @ 0x7fc598912800] Qavg: 3204.831

[aac @ 0x7fc598912800] 2 frames left in the queue on closing

Conversion failed!



Best,


Kieran.