Can't convert .mov

[sheldor]

Summary of the bug: I can't convert .mov
How to reproduce:
{{{% ffmpeg -i recording.mov out.webm
ffmpeg version 2.5.3 Copyright (c) 2000-2015 the FFmpeg developers

built on Jan 10 2015 23:24:25 with gcc 4.9.2 (GCC) 20141224 (prerelease)
configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gnutls --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libv4l2 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-runtime-cpudetect --enable-shared --enable-swresample --enable-vdpau --enable-version3 --enable-x11grab
libavutil 54. 15.100 / 54. 15.100
libavcodec 56. 13.100 / 56. 13.100
libavformat 56. 15.102 / 56. 15.102
libavdevice 56. 3.100 / 56. 3.100
libavfilter 5. 2.103 / 5. 2.103
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100

[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f1f9bdc1560] Could not find codec parameters for stream 1 (Video: none (rv64 / 0x34367672), none, 1280x720, 912 kb/s): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f1f9bdc1560] Could not find codec parameters for stream 2 (Video: none (rv64 / 0x34367672), none, 1280x480, 37 kb/s): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'recording.mov':

Metadata:

major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2003-10-09 04:50:16
comment : AVC
comment-eng : AVC

Duration: 00:10:33.28, start: 0.000000, bitrate: 1097 kb/s

Stream #0:0(eng): Audio: pcm_mulaw (ulaw / 0x77616C75), 8000 Hz, 1 channels, s16, 64 kb/s (default)
Metadata:

creation_time : 2003-10-09 04:50:16
handler_name : Radvision Data

Stream #0:1(eng): Video: none (rv64 / 0x34367672), none, 1280x720, 912 kb/s, 29.99 fps, 30 tbr, 90k tbn, 90k tbc (default)
Metadata:

creation_time : 2003-10-09 04:50:16
handler_name : Radvision Data
encoder : x-com-radvision-h264

Stream #0:2(eng): Video: none (rv64 / 0x34367672), none, 1280x480, 37 kb/s, 1.28 fps, 2 tbr, 90k tbn, 90k tbc (default)
Metadata:

rotate : -0
creation_time : 2003-10-09 04:50:16
handler_name : Radvision Data
encoder : x-com-radvision-h264

Side data:

displaymatrix: rotation of 0.00 degrees

Stream #0:3(eng): Video: qtrle (rle / 0x20656C72), rgb555le, 4x3, SAR 8:3 DAR 32:9, 0k fps, 0k tbr, 600 tbn, 600 tbc (default)
Metadata:

creation_time : 2003-10-09 04:50:16
handler_name : Radvision Data
encoder : Animation

No decoder for stream #0:1, filtering impossible
Error opening filters!
}}}
Here's the video ​https://men-enquetes.orion.education.fr/efivol/telech.php?tg=ZBvmWcoA6X104447&login=Efv9EI

[Elon Musk]

rv64 fourcc apears to be h264 codec.

[Elon Musk]

Should be fixed in ac494e5a66507c8124e8ba399b3f0685a51d7a82.