[Libav-user] Unable to encode using VP9

[Arvind Raman]

I am unable to encode using the vp9 video encoder. This is what I have done.


	1. I have installed the latest version of FFmpeg available on git. The configure command that I used was the following "./configure --extra-cflags=-O2 --enable-bzlib --disable-devices --enable-libfdk-aac --enable-libfaac --enable-libgsm --enable-libmp3lame --enable-libopus --enable-libschroedinger --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libvpx --enable-avfilter --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --enable-optimizations --disable-stripping --enable-nonfree --enable-version3 --libdir=/usr/local/lib"

	2. I have additionally installed the libvorbis, libvpx, ligogg shared binaries.
However, when I run ./ffmpeg -encoders I get the following output 

Encoders:
 V..... = Video
 A..... = Audio
 S..... = Subtitle
 .F.... = Frame-level multithreading
 ..S... = Slice-level multithreading
 ...X.. = Codec is experimental
 ....B. = Supports draw_horiz_band
 .....D = Supports direct rendering method 1
 ------
 V..... a64multi             Multicolor charset for Commodore 64 (codec a64_multi)
 V..... a64multi5            Multicolor charset for Commodore 64, extended with 5th color (colram) (codec a64_multi5)
 V..... amv                  AMV Video
 V..... asv1                 ASUS V1
 V..... asv2                 ASUS V2
 V..... avrp                 Avid 1:1 10-bit RGB Packer
 V..X.. avui                 Avid Meridien Uncompressed
 V..... ayuv                 Uncompressed packed MS 4:4:4:4
 V..... bmp                  BMP (Windows and OS/2 bitmap)
 V..... cljr                 Cirrus Logic AccuPak
 V..... libschroedinger      libschroedinger Dirac 2.2 (codec dirac)
 V.S... dnxhd                VC3/DNxHD
 V..... dpx                  DPX image
 V.S... dvvideo              DV (Digital Video)
 V.S... ffv1                 FFmpeg video codec #1
 V..... ffvhuff              Huffyuv FFmpeg variant
 V..... flashsv              Flash Screen Video
 V..... flashsv2             Flash Screen Video Version 2
 V..... flv                  FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (codec flv1)
 V..... gif                  GIF (Graphics Interchange Format)
 V..... h261                 H.261
 V..... h263                 H.263 / H.263-1996
 V.S... h263p                H.263+ / H.263-1998 / H.263 version 2
 V..... libx264              libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (codec h264)
 V..... libx264rgb           libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB (codec h264)
 V..... huffyuv              Huffyuv / HuffYUV
 V..X.. jpeg2000             JPEG 2000
 V..... libopenjpeg          OpenJPEG JPEG 2000 (codec jpeg2000)
 V..... jpegls               JPEG-LS
 V..... ljpeg                Lossless JPEG
 VFS... mjpeg                MJPEG (Motion JPEG)
 V.S... mpeg1video           MPEG-1 video
 V.S... mpeg2video           MPEG-2 video
 V.S... mpeg4                MPEG-4 part 2
 V..... msmpeg4v2            MPEG-4 part 2 Microsoft variant version 2
 V..... msmpeg4              MPEG-4 part 2 Microsoft variant version 3 (codec msmpeg4v3)
 V..... msvideo1             Microsoft Video-1
 V..... pam                  PAM (Portable AnyMap) image
 V..... pbm                  PBM (Portable BitMap) image
 V..... pcx                  PC Paintbrush PCX image
 V..... pgm                  PGM (Portable GrayMap) image
 V..... pgmyuv               PGMYUV (Portable GrayMap YUV) image
 VF.... png                  PNG (Portable Network Graphics) image
 V..... ppm                  PPM (Portable PixelMap) image
 VF.... prores               Apple ProRes
 VF.... prores_aw            Apple ProRes (codec prores)
 V.S... prores_ks            Apple ProRes (iCodec Pro) (codec prores)
 V..... qtrle                QuickTime Animation (RLE) video
 V..... r10k                 AJA Kona 10-bit RGB Codec
 V..... r210                 Uncompressed RGB 10-bit
 V..... rawvideo             raw video
 V..... roqvideo             id RoQ video (codec roq)
 V..... rv10                 RealVideo 1.0
 V..... rv20                 RealVideo 2.0
 V..... sgi                  SGI image
 V..... snow                 Snow
 V..... sunrast              Sun Rasterfile image
 V..... svq1                 Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1
 V..... targa                Truevision Targa image
 V..... libtheora            libtheora Theora (codec theora)
 V..... tiff                 TIFF image
 V..... utvideo              Ut Video
 V..... v210                 Uncompressed 4:2:2 10-bit
 V..... v308                 Uncompressed packed 4:4:4
 V..... v408                 Uncompressed packed QT 4:4:4:4
 V..... v410                 Uncompressed 4:4:4 10-bit
 V..... wmv1                 Windows Media Video 7
 V..... wmv2                 Windows Media Video 8
 V..... xbm                  XBM (X BitMap) image
 V..... xface                X-face image
 V..... xwd                  XWD (X Window Dump) image
 V..... y41p                 Uncompressed YUV 4:1:1 12-bit
 V..... yuv4                 Uncompressed packed 4:2:0
 V..... zlib                 LCL (LossLess Codec Library) ZLIB
 V..... zmbv                 Zip Motion Blocks Video

Clearly libvpx isn't listed here. 


However, the output of ./ffmpeg -codecs mentions vp9 as in 

 D.V.L. vp6f                 On2 VP6 (Flash version)
 D.V.L. vp8                  On2 VP8
 ..V.L. vp9                  Google VP9
 D.V.L. webp                 WebP


Would you please suggest what might be going wrong and what I should be doing to enable support for VP9 in my FFmpeg build.

Thanks
Arvind
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