I'm using Voukoder 7.1current latest version. I tried to render 2K 30 FPS with Voukoder h.264 default settings and I got error. Below is log file massage.
[22:45:47] =============================================
[22:45:47] Voukoder 7 (7.0.115)
[22:45:47] by Daniel Stankewitz
[22:45:47] ---------------------------------------------
[22:45:47] AMD Athlon(tm) II X4 640 Processor
[22:45:47] 4 logical cores
[22:45:47] 8189 MB system memory
[22:45:47] Display #0 on: NVIDIA GeForce GTS 450
[22:45:47] ---------------------------------------------
[22:45:47] ---------------------------------------------
[22:45:47] Export started
[22:45:47] ---------------------------------------------
[22:45:47] Filename: H:\dv\test.mp4
[22:45:47] Application: Voukoder (Adobe Premiere)
[22:45:47] - Video -------------------------------------
[22:45:47] Frame size: 1920x1080
[22:45:47] Pixel aspect: 1:1
[22:45:47] Timebase: -2136068775/-920509440 (0.43 fps)
[22:45:47] Interlaced: No
[22:45:47] Encoder: libx264
[22:45:47] Options: _pixelFormat=yuv420p crf=17.000 opencl=1 preset=medium rc=crf
[22:45:47] Side data: <none>
[22:45:47] Filters: <none>
[22:45:47] Passes: 1
[22:45:47] Color range: unknown
[22:45:47] Color space: unknown
[22:45:47] Color primaries: unknown
[22:45:47] Color transfer: unknown
[22:45:47] - Audio -------------------------------------
[22:45:47] Timebase: 1/48000
[22:45:47] Channels: 2
[22:45:47] Encoder: aac
[22:45:47] Options: _sampleFormat=fltp b=320000 profile=aac_low
[22:45:47] Side data: <none>
[22:45:47] Filters: <none>
[22:45:47] ---------------------------------------------
[22:45:47] Opening codec: libx264 with options: crf=17.000|opencl=1|preset=medium|rc=crf
[22:45:47] FFmpeg: The encoder timebase is not set.
[22:45:47] Failed opening codec: libx264
[22:45:47] Unable to open video encoder: libx264
[22:45:47] Closing encoders ...
[22:45:47] Opening encoder failed! Aborting ...
