[Libav-user] FFMPEG H264 Encoder speed

Vittalprasad vittalprasad.br at gmail.com
Thu May 3 14:56:22 EEST 2018

Hi Team,
I am comparing  encoding speed of FFMPEG H264 and OPENH264. I have found
that with single thread, *OPENH264 is 4 times faster than the FFMPEG H264*.
Below i attached a table for reference.

*please let me know how to increase the encoding speed of FFMPEGH264.*

File name No of frames Resoln
real(sec) user(sec)
FFMPEG Jockey 600 1080p
54.711 53.60
Jockey 600 1080p
13.62 13.228
Encoder param's: i have maintain same encoding parameters for both FFMPEG
and OPENH264 like profile, level and RC modes etc.


*Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz, Architecture: x86_64, CPU(s):
32, Thread(s) per core:2, Core(s) per socket: 8, Socket:2, CPU MHz:
2199.468, CPU max MHz:3200.*
*Configure options for libx264:*
platform: X86_64
byte order: little-endian
system: LINUX
cli: yes
libx264: internal
shared: yes
static: no
asm: yes
interlaced: yes
avs: avxsynth
lavf: no
ffms: no
mp4: no
gpl: yes
thread: posix
opencl: yes
filters: crop select_every
lto: no
debug: no
gprof: no
strip: no
PIC: yes
bit depth: all
chroma format: all

Thanks & Regards
Vittal Prasad B R
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