increasing bitrate

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rustyconc
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Posts: 2
Joined: Fri Jun 30, 2017 6:22 pm

increasing bitrate

Postby rustyconc » Fri Jun 30, 2017 6:39 pm

Hi,

Trying out MediaCoder Premium on my GoPro 4K AVIs with CFHD codec (no audio). They convert to H264 MP4 fine with a bitrate of 10000 and play in VLC. Quality of the video is severely impacted given the high resolution. So I attempted to increase the bitrate (45000, 50000 both tried, both after first reverting all settings) but the resultant MP4s do not play in VLC (no error message, just no video). File sizes are all as expected... 10kbps < 45 kbps < 50 kbps. Help please?

Thanks
Russell

MediaCoder Premium x64
Version 0.8.49 build 5890 (compiled on Apr 27 2017, 16:27:28)

Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz (2473Mhz)
CPU Number: 1 CPU Cores: 4
CPU SIMD: MMX SSE SSE2 SSE3 SSSE3 SSE4 SSE4.1 SSE4.2
North Bridge: 0x80860154 South Bridge: 0x80861e57
OpenCL runtime: Yes


General
Complete name : D:...\GoPro Converted AVIs\GOPR4283-001.avi
Format : AVI
Format/Info : Audio Video Interleave
File size : 140 MiB
Duration : 3 s 370 ms
Overall bit rate : 348 Mb/s

Video
ID : 0
Format : CineForm
Codec ID : CFHD
Codec ID/Info : CineForm 10-bit Visually Perfect HD (Wavelet)
Duration : 3 s 370 ms
Bit rate : 348 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 FPS
Scan type : Progressive
Bits/(Pixel*Frame) : 1.401
Stream size : 140 MiB (100%)

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