Kdenlive: Rendering takes a lot of time

[oligalma]

I'm trying to render a 3-hour-length video (a gameplay of a MS-DOS game) with Kdenlive and it says "Remaining time: 14 hours" and the progress bar seems not to move. Is this normal? Should I upgrade my hardware? I have 8 GB of RAM and the CPU specs are the following:

Code: Select all

marc@marc-desktop:~ > cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Celeron(R) CPU        E3400  @ 2.60GHz
stepping        : 10
microcode       : 0xa07
cpu MHz         : 2592.861
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm retpoline kaiser tpr_shadow vnmi flexpriority dtherm
bugs            : cpu_meltdown spectre_v1 spectre_v2
bogomips        : 5185.72
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Celeron(R) CPU        E3400  @ 2.60GHz
stepping        : 10
microcode       : 0xa07
cpu MHz         : 2592.861
cache size      : 1024 KB
physical id     : 0
siblings        : 2                                                                                                   
core id         : 1                                                                                                   
cpu cores       : 2
apicid          : 1
initial apicid  : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm retpoline kaiser tpr_shadow vnmi flexpriority dtherm
bugs            : cpu_meltdown spectre_v1 spectre_v2
bogomips        : 5185.72
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

[catweazel]

I'm trying to render a 3-hour-length video (a gameplay of a MS-DOS game) with Kdenlive and it says "Remaining time: 14 hours" and the progress bar seems not to move. Is this normal? Should I upgrade my hardware? I have 8 GB of RAM and the CPU specs are the following:

Code: Select all

Intel(R) Celeron(R) CPU        E3400  @ 2.60GHz

All the RAM in the world won't help that little thing with video rendering. If you want to do video rendering I think you're going to have to go much bigger.

[Hoser Rob]

14 hours is long, but that could be quite normal depending on renderer settings, given the length of the video and yes, as mentioned, your CPU. Unoess you have a pretty damn fast machine you're going to spend more time encoding video than watching the result.

[oligalma]

Ok, thanks for your answers. I'll buy another CPU then...

By the way, are there currently CPUs without Meltdown and Spectre problems?

[phd21]

Hi oligalma,

I just read your post and the good replies to it. Here are my thoughts on this as well.

It would help to know more about your system setup. If you run "inxi -Fxzd" and "lsusb" from the console terminal prompt, highlight the results, copy and paste them back here, that should provide enough information.

The more powerful your computer the better when it comes to video and audio editing and gaming, like a powerful multi-core CPU (the more the better), lots of system memory (ram), a good to great video card with a fair amount video ram, lots of drive space and an SSDrive. From what you showed, an Intel dual core celeron is not very powerful even though it has a respectable speed.

There are various way to make rendering a video quicker, like telling the video editor to use whatever CPU cores are available (usually automatic check settings), reducing the video resolution size (ex: from HD 1080p at 30fps to HD 720p at 25fps), using proxy clips (kdenlive), and which final video format type to render to may help as well like ".webm" is pretty fast, and making sure your Linux System is running at its best performance - see link below.

Speed up your Mint! - Easy Linux tips project (great Linux website, turn off adblocking for this website)
https://sites.google.com/site/easylinuxtipsproject/3

As for the "Meltdown and Spectre " issues, there are posts in this forum regarding this, and updating the Linux Kernel will help with these.


Hope this helps ...

[oligalma]

It would help to know more about your system setup. If you run "inxi -Fxzd" and "lsusb" from the console terminal prompt, highlight the results, copy and paste them back here, that should provide enough information.

Code: Select all

marc@marc-desktop:~ > inxi -Fxzd
System:    Host: marc-desktop Kernel: 4.4.0-116-generic x86_64 (64 bit gcc: 4.8.4)
           Desktop: KDE Plasma 4.14.2 (Qt 4.8.6) Distro: Linux Mint 17.3 Rosa
Machine:   Mobo: ASRock model: G41M-VS3. Bios: American Megatrends v: P1.50 date: 07/08/2011
CPU:       Dual core Intel Celeron E3400 (-MCP-) cache: 1024 KB
           flags: (lm nx sse sse2 sse3 ssse3 vmx) bmips: 10371
           clock speeds: max: 2592 MHz 1: 2592 MHz 2: 2592 MHz
Graphics:  Card: NVIDIA GK208 [GeForce GT 730] bus-ID: 04:00.0
           Display Server: X.Org 1.15.1 drivers: nvidia (unloaded: fbdev,vesa,nouveau)
           Resolution: 1440x900@59.9hz
           GLX Renderer: GeForce GT 730/PCIe/SSE2 GLX Version: 4.5.0 NVIDIA 384.111 Direct Rendering: Yes
Audio:     Card-1 Intel NM10/ICH7 Family High Definition Audio Controller driver: snd_hda_intel bus-ID: 00:1b.0
           Card-2 NVIDIA GK208 HDMI/DP Audio Controller driver: snd_hda_intel bus-ID: 04:00.1
           Card-3 KYE Systems (Mouse Systems) Genius FaceCam 320 driver: USB Audio usb-ID: 001-003
           Sound: Advanced Linux Sound Architecture v: k4.4.0-116-generic
Network:   Card: Qualcomm Atheros AR8152 v2.0 Fast Ethernet
           driver: atl1c v: 1.0.1.1-NAPI port: dc00 bus-ID: 01:00.0
           IF: eth0 state: up speed: 100 Mbps duplex: full mac: <filter>
Drives:    HDD Total Size: 500.1GB (31.4% used) ID-1: /dev/sda model: ST500DM002 size: 500.1GB
           Optical: /dev/sr0 model: HL-DT-ST DVDRAM GSA-H42N rev: RL00 dev-links: cdrom
           Features: speed: 48x multisession: yes
           audio: yes dvd: yes rw: cd-r,cd-rw,dvd-r,dvd-ram state: running
Partition: ID-1: / size: 92G used: 62G (72%) fs: ext4 dev: /dev/sda5
           ID-2: /home size: 119G used: 77G (69%) fs: ext4 dev: /dev/sda6
           ID-3: swap-1 size: 8.59GB used: 0.21GB (2%) fs: swap dev: /dev/sda7
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 52.0C mobo: N/A gpu: 0.0:27C
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 204 Uptime: 11:15 Memory: 4548.9/7981.0MB Init: Upstart runlevel: 2 Gcc sys: 4.8.4
           Client: Shell (bash 4.3.111) inxi: 2.2.28 

[phd21]

Hi oligalma,

I do not see anything wrong with the results of the "inxi -Fxzd" console terminal command, so that is a good thing.

Ok, you have a good nVidia video card and a decent amount of system memory (8gb of ram), but the Intel dual core Celeron is slowing you down for these type of tasks. If you plan on doing more video editing or gaming, I would recommend an Intel i5 or i7 CPU with as many cores as you can get and as fast as you can afford.

Also, you are using the excellent Kdenlive on Linux Mint KDE 17.3 which means you are not using their newest version unless you have downloaded and are using their AppImage file which is the only way to get the newer Kdenlive on Linux Mint 17.x. In addition to telling Kdenlive to use multi-cores, there might be settings in Kdenlive to allow using the GPU of the video card which may also help, but might not.
Current AppImage download file link
http://files.kde.org/kdenlive/release/K ... 4.AppImage

Using a current version of "ffmpeg" version 3 will probably help too.
How to Install FFmpeg 3.2 via PPA in Ubuntu 16.04 - Tips on Ubuntu
http://tipsonubuntu.com/2016/11/02/inst ... ntu-16-04/


Hope this helps ...

[oligalma]

I would recommend an Intel i5 or i7 CPU with as many cores as you can get and as fast as you can afford

Can I upgrade to an i5 or i7 without changing the main board?

In these page are shown the compatible CPUs:

http://www.cpu-upgrade.com/mb-ASRock/G41M-VS3.html

[phd21]

Hi oligalma,

As I suspected according to the link below, no you cannot upgrade to an i5 or i7 CPU using this motherboard (mainboard), but you could upgrade the processor to a "Intel Pentium Dual-Core" (see bottom of link) for probably a very little amount of money, and this would help. But, it would not be anywhere near as fast or as powerful as an i5 or i7 CPU.

Update I just did a quick check on the Internet for the processor below, and it is around $70 us, if you can find it. For that money, you would be better off getting a new motherboard and CPU, or getting a used computer with a better CPU.

CPU-Upgrade: ASRock G41M-VS3 processor support and specifications
- ex: E6800, 3.33 GHz, 1066 MHz FSB, 2 MB cache, Wolfdale
http://www.cpu-upgrade.com/mb-ASRock/G41M-VS3.html#cs


In order to use an i5 or i7 CPU you would need a different motherboard that supports these processors and the related hardware, maybe a more powerful power supply, maybe different system memory ram modules, etc...

Hope this helps ...

[Hoser Rob]

... you are using the excellent Kdenlive on Linux Mint KDE 17.3 which means you are not using their newest version unless you have downloaded and are using their AppImage file which is the only way to get the newer Kdenlive on Linux Mint 17.x. In addition to telling Kdenlive to use multi-cores, there might be settings in Kdenlive to allow using the GPU of the video card which may also help, but might not. ...

If the 17.3 repo version of kdenlive did not have multicore support by default in what sense would it be 'excellent'? It'd be garbage.

And that machine ain't anywhere near powerful enough for gpu based encoding, which BTW doesn't give you as good quality video as CPU based. SOunds counter intuitive but true.