I have spent days researching this and switch off the PC more confused than when I powered it up...sigh!
this was about as close as to an answer I got, but I didn't fully understand.
viewtopic.php?f=63&t=80449
Given that the Pi is supposed to introduce the world of computing to hobbyists with no prior experience, please can someone explain in laymen terms , and answer to the following:-
I am using a Pi3 , as-downloaded OSMC (v2017.03-1) , and an as-downloaded Kodi 17 Krypton - i.e. no more additions other than installing libav. Now, if I use avconv with the h264 codec , is the encoder/decoding making use of HW encoding/decoding and does Kodi play media with this HW acceleration on ? If not, or if unsure, what simple steps can I take to make this happen
thank you all
Re: is H264 codec via h/w ?
Kodi under OSMC will use hardware decoding. No need to compile , configure or select anything. That is the point of OSMC.
Kodi on Raspbian is another matter.
AFAIK neither aconv nor ffmpeg will use any hardware encoding or decoding on Raspbian by default.
If you are able to build either ffmpeg or aconv from source you should get access to hardware acceleration
under Raspbian too.
ghans
Kodi on Raspbian is another matter.
AFAIK neither aconv nor ffmpeg will use any hardware encoding or decoding on Raspbian by default.
If you are able to build either ffmpeg or aconv from source you should get access to hardware acceleration
under Raspbian too.
ghans
• Don't like the board ? Missing features ? Change to the prosilver theme ! You can find it in your settings.
• Don't like to search the forum BEFORE posting 'cos it's useless ? Try googling : yoursearchtermshere site:raspberrypi.org
• Don't like to search the forum BEFORE posting 'cos it's useless ? Try googling : yoursearchtermshere site:raspberrypi.org
Re: is H264 codec via h/w ?
Not quite true. All kodi versions for the RPi support HW decoding, either using MMAL or omxplayer.ghans wrote:Kodi under OSMC will use hardware decoding. No need to compile , configure or select anything. That is the point of OSMC.
Kodi on Raspbian is another matter.
AFAIK neither aconv nor ffmpeg will use any hardware encoding or decoding on Raspbian by default.
If you are able to build either ffmpeg or aconv from source you should get access to hardware acceleration
under Raspbian too.
ghans
Out of the box omxplayer is the only video player supporting HW decoding, but it is possible to compile versions of other players to support HW decoding (VLC, for example).
Minimal Kiosk Browser (kweb)
Slim, fast webkit browser with support for audio+video+playlists+youtube+pdf+download
Optional fullscreen kiosk mode and command interface for embedded applications
Includes omxplayerGUI, an X front end for omxplayer
Slim, fast webkit browser with support for audio+video+playlists+youtube+pdf+download
Optional fullscreen kiosk mode and command interface for embedded applications
Includes omxplayerGUI, an X front end for omxplayer
Re: is H264 codec via h/w ?
I believe those Kodi versions have been added to the repos recently ? You needed
to use 3rdparty repos previously ..
ghans
to use 3rdparty repos previously ..
ghans
• Don't like the board ? Missing features ? Change to the prosilver theme ! You can find it in your settings.
• Don't like to search the forum BEFORE posting 'cos it's useless ? Try googling : yoursearchtermshere site:raspberrypi.org
• Don't like to search the forum BEFORE posting 'cos it's useless ? Try googling : yoursearchtermshere site:raspberrypi.org
Re: is H264 codec via h/w ?
Since January 2016 kodi 15 is in the Foundation's repository.ghans wrote:I believe those Kodi versions have been added to the repos recently ? You needed
to use 3rdparty repos previously ..
ghans
Newer versions are available from the pipplware repository.
Minimal Kiosk Browser (kweb)
Slim, fast webkit browser with support for audio+video+playlists+youtube+pdf+download
Optional fullscreen kiosk mode and command interface for embedded applications
Includes omxplayerGUI, an X front end for omxplayer
Slim, fast webkit browser with support for audio+video+playlists+youtube+pdf+download
Optional fullscreen kiosk mode and command interface for embedded applications
Includes omxplayerGUI, an X front end for omxplayer
Re: is H264 codec via h/w ?
Pressing "o" while watching a video in Kodi also show a lot of detailed codec information together with which "driver/library" is used for video handling and also CPU load on each core. It should be quite obvious if the video you are playing is decoded using GPU or CPU.
Re: is H264 codec via h/w ?
thanks guys
although I'm confused still, a little..
are we saying, for OSMC, that out of the box, the following holds true:
1. omxplayer is the default kodi player for media {does this Include m3u streams in ts format?}
2. kodi decodes using HW
3. no HW encoding in avconv unless avconv recompiled? if so, what libs/options do I need?
thanks
although I'm confused still, a little..
are we saying, for OSMC, that out of the box, the following holds true:
1. omxplayer is the default kodi player for media {does this Include m3u streams in ts format?}
2. kodi decodes using HW
3. no HW encoding in avconv unless avconv recompiled? if so, what libs/options do I need?
thanks
Re: is H264 codec via h/w ?
it is not obvious to me
please share your expertise, how is it obvious!?
please share your expertise, how is it obvious!?
topguy wrote:Pressing "o" while watching a video in Kodi also show a lot of detailed codec information together with which "driver/library" is used for video handling and also CPU load on each core. It should be quite obvious if the video you are playing is decoded using GPU or CPU.
Re: is H264 codec via h/w ?
http://kodi.wiki/view/codecinfoninjaEF wrote:it is not obvious to me
please share your expertise, how is it obvious!?
topguy wrote:Pressing "o" while watching a video in Kodi also show a lot of detailed codec information together with which "driver/library" is used for video handling and also CPU load on each core. It should be quite obvious if the video you are playing is decoded using GPU or CPU.
See the fourth line in the example where it says ff-h264-vdpau, on Pi I believe you should see something with "omx" in it.
If you are watching a 1080p video with very little load on your CPU cores you are very probably using the GPU.
If your .ts streams does not contain the h264 codec but instead maybe MPEG2 (or VC1), then you can get GPU decoding if you buy the MPEG2 (or VC1) license. ( its disabled in firmware by default to reduce the price of the Pi )
PS: Also remember that Kodi is never "encoding" anything just "decoding".
Re: is H264 codec via h/w ?
thanks @topguy
that is very useful. Im sure when I was watching a .ts stream, there wasn't that much info on the screen. I will look again.
what I am doing now is compiling ffmpeg with omx enabled but I get an error, "OMX IL Headers not found". Can I post this to another forum thread or continue here?... in the event this is still on thread...
I am following this guide...
https://www.bitpi.co/2015/08/19/how-to- ... pberry-pi/
The got the OMX Header error when attempting to make ffmpeg
Will these headers do the job?
https://github.com/raspberrypi/firmware ... include/IL
For this compilation task:
EDIT**
Answer my on question but for the benefit of others..
I Found a working combo:
This:
https://github.com/legotheboss/YouTube- ... celeration
with this:
http://ffmpeg.gusari.org/viewtopic.php?f=8&t=3327
I previously only had h264 codec, now I have h264_omx codec which I use for encoding live ts tream
that is very useful. Im sure when I was watching a .ts stream, there wasn't that much info on the screen. I will look again.
what I am doing now is compiling ffmpeg with omx enabled but I get an error, "OMX IL Headers not found". Can I post this to another forum thread or continue here?... in the event this is still on thread...
I am following this guide...
https://www.bitpi.co/2015/08/19/how-to- ... pberry-pi/
The got the OMX Header error when attempting to make ffmpeg
Will these headers do the job?
https://github.com/raspberrypi/firmware ... include/IL
For this compilation task:
EDIT**
Answer my on question but for the benefit of others..
I Found a working combo:
This:
https://github.com/legotheboss/YouTube- ... celeration
with this:
http://ffmpeg.gusari.org/viewtopic.php?f=8&t=3327
I previously only had h264 codec, now I have h264_omx codec which I use for encoding live ts tream
Re: is H264 codec via h/w ?
I'm not sure if I built it the best way, but I recently compiled FFmpeg on my Pi3B with Raspbian Stretch. Here's what I did:
Code: Select all
# Compile FFmpeg on Raspberry Pi 3 with Raspbian Stretch
pi@raspberrypi:~$ sudo apt install libasound2-dev libx264-dev libopus-dev
pi@raspberrypi:~$ mkdir -p ~/software/source
pi@raspberrypi:~$ cd ~/software/source
pi@raspberrypi:~/software/source$ git clone https://github.com/mstorsjo/fdk-aac.git
pi@raspberrypi:~/software/source$ cd fdk-aac
pi@raspberrypi:~/software/source/fdk-aac$ ./autogen.sh
pi@raspberrypi:~/software/source/fdk-aac$ ./configure --enable-shared --enable-static
pi@raspberrypi:~/software/source/fdk-aac$ make -j3
pi@raspberrypi:~/software/source/fdk-aac$ sudo make install
pi@raspberrypi:~/software/source/fdk-aac$ sudo ldconfig
pi@raspberrypi:~/software/source/fdk-aac$ cd ~/software/source
pi@raspberrypi:~/software/source$ git clone https://github.com/FFmpeg/FFmpeg.git
pi@raspberrypi:~/software/source$ cd FFmpeg
pi@raspberrypi:~/software/source/FFmpeg$ ./configure --arch=armhf --target-os=linux --enable-gpl --enable-nonfree --enable-libx264 --enable-libopus --enable-libfdk-aac --enable-omx --enable-omx-rpi --enable-mmal
install prefix /usr/local
source path .
C compiler gcc
C library glibc
ARCH arm (armv6)
big-endian no
runtime cpu detection yes
ARMv5TE enabled yes
ARMv6 enabled yes
ARMv6T2 enabled yes
VFP enabled yes
NEON enabled yes
THUMB enabled no
debug symbols yes
strip symbols yes
optimize for size no
optimizations yes
static yes
shared no
postprocessing support yes
network support yes
threading support pthreads
safe bitstream reader yes
texi2html enabled no
perl enabled yes
pod2man enabled yes
makeinfo enabled no
makeinfo supports HTML no
External libraries:
bzlib libx264 libxcb_xfixes sdl2
iconv libxcb lzma xlib
libfdk_aac libxcb_shape sdl zlib
libopus libxcb_shm
External libraries providing hardware acceleration:
mmal omx vaapi vdpau
Libraries:
avcodec avfilter avutil swresample
avdevice avformat postproc swscale
Programs:
ffmpeg ffplay ffprobe ffserver
Enabled decoders:
aac aura ffv1 motionpixels
aac_fixed aura2 ffvhuff movtext
aac_latm avrn ffwavesynth mp1
aasc avrp fic mp1float
ac3 avs flac mp2
ac3_fixed avui flashsv mp2float
adpcm_4xm ayuv flashsv2 mp3
adpcm_adx bethsoftvid flic mp3adu
adpcm_afc bfi flv mp3adufloat
adpcm_aica bink fmvc mp3float
adpcm_ct binkaudio_dct fourxm mp3on4
adpcm_dtk binkaudio_rdft fraps mp3on4float
adpcm_ea bintext frwu mpc7
adpcm_ea_maxis_xa bmp g2m mpc8
adpcm_ea_r1 bmv_audio g723_1 mpeg1_vdpau
adpcm_ea_r2 bmv_video g729 mpeg1video
adpcm_ea_r3 brender_pix gif mpeg2_mmal
adpcm_ea_xas c93 gsm mpeg2video
adpcm_g722 cavs gsm_ms mpeg4
adpcm_g726 ccaption h261 mpeg4_mmal
adpcm_g726le cdgraphics h263 mpeg4_vdpau
adpcm_ima_amv cdxl h263i mpeg_vdpau
adpcm_ima_apc cfhd h263p mpegvideo
adpcm_ima_dat4 cinepak h264 mpl2
adpcm_ima_dk3 clearvideo h264_mmal msa1
adpcm_ima_dk4 cljr h264_vdpau msmpeg4v1
adpcm_ima_ea_eacs cllc hap msmpeg4v2
adpcm_ima_ea_sead comfortnoise hevc msmpeg4v3
adpcm_ima_iss cook hnm4_video msrle
adpcm_ima_oki cpia hq_hqa mss1
adpcm_ima_qt cscd hqx mss2
adpcm_ima_rad cyuv huffyuv msvideo1
adpcm_ima_smjpeg dca iac mszh
adpcm_ima_wav dds idcin mts2
adpcm_ima_ws dfa idf mvc1
adpcm_ms dirac iff_ilbm mvc2
adpcm_mtaf dnxhd imc mxpeg
adpcm_psx dpx indeo2 nellymoser
adpcm_sbpro_2 dsd_lsbf indeo3 nuv
adpcm_sbpro_3 dsd_lsbf_planar indeo4 on2avc
adpcm_sbpro_4 dsd_msbf indeo5 opus
adpcm_swf dsd_msbf_planar interplay_acm paf_audio
adpcm_thp dsicinaudio interplay_dpcm paf_video
adpcm_thp_le dsicinvideo interplay_video pam
adpcm_vima dss_sp jacosub pbm
adpcm_xa dst jpeg2000 pcm_alaw
adpcm_yamaha dvaudio jpegls pcm_bluray
aic dvbsub jv pcm_dvd
alac dvdsub kgv1 pcm_f16le
alias_pix dvvideo kmvc pcm_f24le
als dxa lagarith pcm_f32be
amrnb dxtory libfdk_aac pcm_f32le
amrwb dxv libopus pcm_f64be
amv eac3 loco pcm_f64le
anm eacmv m101 pcm_lxf
ansi eamad mace3 pcm_mulaw
ape eatgq mace6 pcm_s16be
apng eatgv magicyuv pcm_s16be_planar
ass eatqi mdec pcm_s16le
asv1 eightbps metasound pcm_s16le_planar
asv2 eightsvx_exp microdvd pcm_s24be
atrac1 eightsvx_fib mimic pcm_s24daud
atrac3 escape124 mjpeg pcm_s24le
atrac3al escape130 mjpegb pcm_s24le_planar
atrac3p evrc mlp pcm_s32be
atrac3pal exr mmvideo pcm_s32le
pcm_s32le_planar roq tdsc vp7
pcm_s64be roq_dpcm text vp8
pcm_s64le rpza theora vp9
pcm_s8 rscc thp vplayer
pcm_s8_planar rv10 tiertexseqvideo vqa
pcm_u16be rv20 tiff wavpack
pcm_u16le rv30 tmv webp
pcm_u24be rv40 truehd webvtt
pcm_u24le s302m truemotion1 wmalossless
pcm_u32be sami truemotion2 wmapro
pcm_u32le sanm truemotion2rt wmav1
pcm_u8 scpr truespeech wmav2
pcm_zork screenpresso tscc wmavoice
pcx sdx2_dpcm tscc2 wmv1
pgm sgi tta wmv2
pgmyuv sgirle twinvq wmv3
pgssub sheervideo txd wmv3_vdpau
pictor shorten ulti wmv3image
pixlet sipr utvideo wnv1
pjs smackaud v210 ws_snd1
png smacker v210x xan_dpcm
ppm smc v308 xan_wc3
prores smvjpeg v408 xan_wc4
prores_lgpl snow v410 xbin
psd sol_dpcm vb xbm
ptx sonic vble xface
qcelp sp5x vc1 xl
qdm2 speedhq vc1_mmal xma1
qdmc srt vc1_vdpau xma2
qdraw ssa vc1image xpm
qpeg stl vcr1 xsub
qtrle subrip vmdaudio xwd
r10k subviewer vmdvideo y41p
r210 subviewer1 vmnc ylc
ra_144 sunrast vorbis yop
ra_288 svq1 vp3 yuv4
ralf svq3 vp5 zero12v
rawvideo tak vp6 zerocodec
realtext targa vp6a zlib
rl2 targa_y216 vp6f zmbv
Enabled encoders:
a64multi flv pcm_mulaw rv20
a64multi5 g723_1 pcm_s16be s302m
aac gif pcm_s16be_planar sgi
ac3 h261 pcm_s16le snow
ac3_fixed h263 pcm_s16le_planar sonic
adpcm_adx h263p pcm_s24be sonic_ls
adpcm_g722 h264_omx pcm_s24daud srt
adpcm_g726 h264_vaapi pcm_s24le ssa
adpcm_ima_qt hevc_vaapi pcm_s24le_planar subrip
adpcm_ima_wav huffyuv pcm_s32be sunrast
adpcm_ms jpeg2000 pcm_s32le svq1
adpcm_swf jpegls pcm_s32le_planar targa
adpcm_yamaha libfdk_aac pcm_s64be text
alac libopus pcm_s64le tiff
alias_pix libx264 pcm_s8 truehd
amv libx264rgb pcm_s8_planar tta
apng ljpeg pcm_u16be utvideo
ass mjpeg pcm_u16le v210
asv1 mjpeg_vaapi pcm_u24be v308
asv2 mlp pcm_u24le v408
avrp movtext pcm_u32be v410
avui mp2 pcm_u32le vc2
ayuv mp2fixed pcm_u8 vorbis
bmp mpeg1video pcx vp8_vaapi
cinepak mpeg2_vaapi pgm wavpack
cljr mpeg2video pgmyuv webvtt
comfortnoise mpeg4 png wmav1
dca msmpeg4v2 ppm wmav2
dnxhd msmpeg4v3 prores wmv1
dpx msvideo1 prores_aw wmv2
dvbsub nellymoser prores_ks wrapped_avframe
dvdsub opus qtrle xbm
dvvideo pam r10k xface
eac3 pbm r210 xsub
ffv1 pcm_alaw ra_144 xwd
ffvhuff pcm_f32be rawvideo y41p
flac pcm_f32le roq yuv4
flashsv pcm_f64be roq_dpcm zlib
flashsv2 pcm_f64le rv10 zmbv
Enabled hwaccels:
h263_vaapi hevc_vdpau mpeg4_mmal vc1_vdpau
h264_mmal mpeg1_vdpau mpeg4_vaapi vp9_vaapi
h264_vaapi mpeg2_mmal mpeg4_vdpau wmv3_vaapi
h264_vdpau mpeg2_vaapi vc1_mmal wmv3_vdpau
hevc_vaapi mpeg2_vdpau vc1_vaapi
Enabled parsers:
aac dpx h264 rv30
aac_latm dvaudio hevc rv40
ac3 dvbsub mjpeg sipr
adx dvd_nav mlp tak
bmp dvdsub mpeg4video vc1
cavsvideo flac mpegaudio vorbis
cook g729 mpegvideo vp3
dca gsm opus vp8
dirac h261 png vp9
dnxhd h263 pnm xma
Enabled demuxers:
aa flic mgsts rm
aac flv microdvd roq
ac3 fourxm mjpeg rpl
acm frm mjpeg_2000 rsd
act fsb mlp rso
adf g722 mlv rtp
adp g723_1 mm rtsp
ads g729 mmf sami
adx genh mov sap
aea gif mp3 sbg
afc gsm mpc scc
aiff gxf mpc8 sdp
aix h261 mpegps sdr2
amr h263 mpegts sds
anm h264 mpegtsraw sdx
apc hevc mpegvideo segafilm
ape hls mpjpeg shorten
apng hnm mpl2 siff
aqtitle ico mpsub sln
asf idcin msf smacker
asf_o idf msnwc_tcp smjpeg
ass iff mtaf smush
ast ilbc mtv sol
au image2 musx sox
avi image2_alias_pix mv spdif
avr image2_brender_pix mvi srt
avs image2pipe mxf stl
bethsoftvid image_bmp_pipe mxg str
bfi image_dds_pipe nc subviewer
bfstm image_dpx_pipe nistsphere subviewer1
bink image_exr_pipe nsv sup
bintext image_j2k_pipe nut svag
bit image_jpeg_pipe nuv swf
bmv image_jpegls_pipe ogg tak
boa image_pam_pipe oma tedcaptions
brstm image_pbm_pipe paf thp
c93 image_pcx_pipe pcm_alaw threedostr
caf image_pgm_pipe pcm_f32be tiertexseq
cavsvideo image_pgmyuv_pipe pcm_f32le tmv
cdg image_pictor_pipe pcm_f64be truehd
cdxl image_png_pipe pcm_f64le tta
cine image_ppm_pipe pcm_mulaw tty
concat image_psd_pipe pcm_s16be txd
data image_qdraw_pipe pcm_s16le v210
daud image_sgi_pipe pcm_s24be v210x
dcstr image_sunrast_pipe pcm_s24le vag
dfa image_tiff_pipe pcm_s32be vc1
dirac image_webp_pipe pcm_s32le vc1t
dnxhd image_xpm_pipe pcm_s8 vivo
dsf ingenient pcm_u16be vmd
dsicin ipmovie pcm_u16le vobsub
dss ircam pcm_u24be voc
dts iss pcm_u24le vpk
dtshd iv8 pcm_u32be vplayer
dv ivf pcm_u32le vqf
dvbsub ivr pcm_u8 w64
dvbtxt jacosub pjs wav
dxa jv pmp wc3
ea live_flv pva webm_dash_manifest
ea_cdata lmlm4 pvf webvtt
eac3 loas qcp wsaud
epaf lrc r3d wsd
ffm lvf rawvideo wsvqa
ffmetadata lxf realtext wtv
filmstrip m4v redspark wv
flac matroska rl2 wve
xa xmv xwma yuv4mpegpipe
xbin xvag yop
Enabled muxers:
a64 gif mpeg2svcd rm
ac3 gsm mpeg2video roq
adts gxf mpeg2vob rso
adx h261 mpegts rtp
aiff h263 mpjpeg rtp_mpegts
amr h264 mxf rtsp
apng hash mxf_d10 sap
asf hds mxf_opatom scc
asf_stream hevc null segment
ass hls nut singlejpeg
ast ico oga smjpeg
au ilbc ogg smoothstreaming
avi image2 ogv sox
avm2 image2pipe oma spdif
bit ipod opus spx
caf ircam pcm_alaw srt
cavsvideo ismv pcm_f32be stream_segment
crc ivf pcm_f32le swf
dash jacosub pcm_f64be tee
data latm pcm_f64le tg2
daud lrc pcm_mulaw tgp
dirac m4v pcm_s16be truehd
dnxhd matroska pcm_s16le tta
dts matroska_audio pcm_s24be uncodedframecrc
dv md5 pcm_s24le vc1
eac3 microdvd pcm_s32be vc1t
f4v mjpeg pcm_s32le voc
ffm mkvtimestamp_v2 pcm_s8 w64
ffmetadata mlp pcm_u16be wav
fifo mmf pcm_u16le webm
filmstrip mov pcm_u24be webm_chunk
flac mp2 pcm_u24le webm_dash_manifest
flv mp3 pcm_u32be webp
framecrc mp4 pcm_u32le webvtt
framehash mpeg1system pcm_u8 wtv
framemd5 mpeg1vcd psp wv
g722 mpeg1video rawvideo yuv4mpegpipe
g723_1 mpeg2dvd
Enabled protocols:
async ftp mmsh srtp
cache gopher mmst subfile
concat hls pipe tcp
crypto http prompeg tee
data httpproxy rtmp udp
ffrtmphttp icecast rtmpt udplite
file md5 rtp unix
Enabled filters:
abench blend framestep pixdesctest
abitscope boxblur fspp pp
acompressor bwdif gblur pp7
acrossfade cellauto geq premultiply
acrusher channelmap gradfun prewitt
adelay channelsplit haldclut psnr
adrawgraph chorus haldclutsrc pullup
aecho chromakey hdcd qp
aemphasis ciescope hflip random
aeval codecview highpass readeia608
aevalsrc color histeq readvitc
afade colorbalance histogram realtime
afftfilt colorchannelmixer hqdn3d remap
aformat colorkey hqx removegrain
agate colorlevels hstack removelogo
ahistogram colormatrix hue repeatfields
ainterleave colorspace hwdownload replaygain
alimiter compand hwmap reverse
allpass compensationdelay hwupload rgbtestsrc
allrgb concat hysteresis rotate
allyuv convolution idet sab
aloop copy il scale
alphaextract cover_rect inflate scale2ref
alphamerge crop interlace scale_vaapi
amerge cropdetect interleave select
ametadata crystalizer join selectivecolor
amix curves kerndeint sendcmd
amovie datascope lenscorrection separatefields
anequalizer dcshift life setdar
anoisesrc dctdnoiz loop setfield
anull deband loudnorm setpts
anullsink decimate lowpass setsar
anullsrc deflate lut settb
apad deinterlace_vaapi lut2 showcqt
aperms dejudder lut3d showfreqs
aphasemeter delogo lutrgb showinfo
aphaser deshake lutyuv showpalette
apulsator detelecine mandelbrot showspectrum
arealtime dilation maskedclamp showspectrumpic
aresample displace maskedmerge showvolume
areverse drawbox mcdeint showwaves
aselect drawgraph mergeplanes showwavespic
asendcmd drawgrid mestimate shuffleframes
asetnsamples dynaudnorm metadata shuffleplanes
asetpts earwax midequalizer sidechaincompress
asetrate ebur128 minterpolate sidechaingate
asettb edgedetect movie sidedata
ashowinfo elbg mpdecimate signalstats
asidedata eq mptestsrc signature
asplit equalizer negate silencedetect
astats erosion nlmeans silenceremove
astreamselect extractplanes nnedi sine
atadenoise extrastereo noformat smartblur
atempo fade noise smptebars
atrim fftfilt null smptehdbars
avectorscope field nullsink sobel
avgblur fieldhint nullsrc spectrumsynth
bandpass fieldmatch overlay split
bandreject fieldorder owdenoise spp
bass find_rect pad ssim
bbox firequalizer palettegen stereo3d
bench flanger paletteuse stereotools
biquad format pan stereowiden
bitplanenoise fps perms streamselect
blackdetect framepack perspective super2xsai
blackframe framerate phase swaprect
swapuv tinterlace vectorscope w3fdif
tblend transpose vflip waveform
telecine treble vibrato weave
testsrc tremolo vignette xbr
testsrc2 trim volume yadif
threshold unsharp volumedetect yuvtestsrc
thumbnail uspp vstack zoompan
tile vaguedenoiser
Enabled bsfs:
aac_adtstoasc h264_mp4toannexb mjpega_dump_header noise
chomp hevc_mp4toannexb mov2textsub remove_extradata
dca_core imx_dump_header mp3_header_decompress text2movsub
dump_extradata mjpeg2jpeg mpeg4_unpack_bframes vp9_superframe
extract_extradata
Enabled indevs:
alsa jack oss v4l2
dv1394 lavfi sndio xcbgrab
fbdev
Enabled outdevs:
alsa oss sndio xv
fbdev sdl2 v4l2
License: nonfree and unredistributable
Creating configuration files ...
pi@raspberrypi:~/software/source/FFmpeg$ make -j3
pi@raspberrypi:~/software/source/FFmpeg$ sudo make install
pi@raspberrypi:~/software/source/FFmpeg$ sudo ldconfigRe: is H264 codec via h/w ?
well, what you have done there, it would seem to me, is
compiled libx264 which is the GPL version of OMX h264
As I understand it, Broadcom do not licence the distribution of binaries and you have to build using OMX IL headers + libraries
So your procedure above will give you a .264 codec that will not use the PIs GPU for acceleration
Compiling using OMX IL headers and libs will give you the h264_omx codec which DOES use the GPU
So you are in fact, using S/W encoding on x264
compiled libx264 which is the GPL version of OMX h264
As I understand it, Broadcom do not licence the distribution of binaries and you have to build using OMX IL headers + libraries
So your procedure above will give you a .264 codec that will not use the PIs GPU for acceleration
Compiling using OMX IL headers and libs will give you the h264_omx codec which DOES use the GPU
So you are in fact, using S/W encoding on x264
Re: is H264 codec via h/w ?
Interesting. You may be correct. I am aware that libx264 provides software encoding. I was assuming that configuring the way I did would give me both options:ninjaEF wrote:well, what you have done there, it would seem to me, is
compiled libx264 which is the GPL version of OMX h264
As I understand it, Broadcom do not licence the distribution of binaries and you have to build using OMX IL headers + libraries
So your procedure above will give you a .264 codec that will not use the PIs GPU for acceleration
Compiling using OMX IL headers and libs will give you the h264_omx codec which DOES use the GPU
So you are in fact, using S/W encoding on x264
Code: Select all
./configure --arch=armhf --target-os=linux --enable-gpl --enable-nonfree --enable-libx264 --enable-libopus --enable-libfdk-aac --enable-omx --enable-omx-rpi --enable-mmalRe: is H264 codec via h/w ?
Does this look like it's working? The resulting video file seems to play well enough.
Code: Select all
pi@raspberrypi:~$ ffmpeg -c:v h264_mmal -i /home/pi/Videos/video-h264.mkv -c:v h264_omx -c:a copy -b:v 1500k -s 640x480 /home/pi/video-h264.mkv
ffmpeg version N-85266-g12290077d1 Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 6.3.0 (Raspbian 6.3.0-10+rpi1) 20170321
configuration: --arch=armhf --target-os=linux --enable-gpl --enable-nonfree --enable-libx264 --enable-libopus --enable-libfdk-aac --enable-omx --enable-omx-rpi --enable-mmal
libavutil 55. 59.100 / 55. 59.100
libavcodec 57. 90.100 / 57. 90.100
libavformat 57. 72.100 / 57. 72.100
libavdevice 57. 7.100 / 57. 7.100
libavfilter 6. 83.100 / 6. 83.100
libswscale 4. 7.100 / 4. 7.100
libswresample 2. 8.100 / 2. 8.100
libpostproc 54. 6.100 / 54. 6.100
Input #0, matroska,webm, from '/home/pi/Videos/video-h264.mkv':
Metadata:
ENCODER : Lavf55.12.0
Duration: 00:00:16.17, start: 0.104000, bitrate: 4061 kb/s
Stream #0:0: Video: h264 (Main), yuv420p(tv, bt709, progressive), 1920x960 [SAR 1:1 DAR 2:1], 24 fps, 24 tbr, 1k tbn, 180k tbc (default)
Stream #0:1(eng): Audio: aac (LC), 48000 Hz, stereo, fltp (default)
Metadata:
title : Stereo
LANGUAGE : eng
File '/home/pi/video-h264.mkv' already exists. Overwrite ? [y/N] y
Stream mapping:
Stream #0:0 -> #0:0 (h264 (h264_mmal) -> h264 (h264_omx))
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[h264_omx @ 0x19a4bd0] Using OMX.broadcom.video_encode
Output #0, matroska, to '/home/pi/video-h264.mkv':
Metadata:
encoder : Lavf57.72.100
Stream #0:0: Video: h264 (h264_omx) (H264 / 0x34363248), yuv420p, 640x480 [SAR 3:2 DAR 2:1], q=2-31, 1500 kb/s, 24 fps, 1k tbn, 24 tbc (default)
Metadata:
encoder : Lavc57.90.100 h264_omx
Stream #0:1(eng): Audio: aac (LC) ([255][0][0][0] / 0x00FF), 48000 Hz, stereo, fltp (default)
Metadata:
title : Stereo
LANGUAGE : eng
frame= 384 fps= 23 q=-0.0 Lsize= 2906kB time=00:00:16.04 bitrate=1483.9kbits/s speed=0.941x
video:2641kB audio:255kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.344313%Re: is H264 codec via h/w ?
yes, you have the h264_omx encoder in there for sure
you should see less CPU loading too, using the 'top' command, ffmpeg should be lower down then before
well done
you should see less CPU loading too, using the 'top' command, ffmpeg should be lower down then before
well done
Re: is H264 codec via h/w ?
TIP: There is a command called "time" that you can add to the front of you commandline that will show how much time a command takes. If you need to measure performance with different options.
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