OK! I received a sample clip and can confirm that its format is the problem. Here's a link to that
clip and the other ones I made for testing.
The sample clip plays fine in the Media Library and on the timeline, but when produced to the standard HD 25p AVC and HEVC profiles, only audio is present. I tried using the Profile Analyzer and it came up with a 106Mbps HEVC .M2TS profile, but that only produced a 3kB output file without any content.
I then ran the clip through VirtualDub2 with the same settings as the original: HEVC and PCM audio in a MOV container. That clip played correctly in external players but showed only white content in the library and on the timeline. The produced videos were also empty white but with good audio.
Next, I ran the clip through VDub2 again with the same video settings and changed the container to MP4. I also had to change the audio to Lame MP3 because I couldn't get VDub2 to use PCM audio in MP4 containers.
When I imported that clip into PD, the clip previewed normally in the media library, but when I dragged it to the timeline there was no audio content at all. The audio track section of the clip was missing! The produced AVC and HEVC clips had good video but with a much lower bitrate than the source. An audio track was present but it was totally silent since PD's audio timeline was empty.
The combination that worked for converting the clip was to use HEVC+AAC in an MP4 container. PD was then able to produce using standard AVC and HEVC profiles. The Profile Analyzer gave a profile with a 102Mbs bitrate, but producing with NVENC only gave 42Mbps and using the CPU delivered 62Mbps, but that's still only half of the source clip. I've saved a copy of the profile in the OneDrive folder.
Here's a summary of the contents in the OneDrive folder linked to above. All produced clips were made using NVENC except for the final one. Hardware decoding was enabled for all:
Source Clips
Clip Name |
MediaInfo Description |
Notes |
File Size |
DSCF0100.MOV |
QuickTime Main10@L5.1@High |
Constant 104Mbps HEVC vid bitrate, HD 25p HEVC PCM audio |
119MB |
DSCF0100 recode.MOV |
QuickTime Main@lL4@Main |
Constant 102Mbps HEVC vid bitrate, empty white video in PD |
113MB |
DSCF0100 recode MP3.MP4 |
Base Media Main@L4@Main |
Constant 102Mbps HEVC vid bitrate, HD 25p HEVC MP3 audio |
110MB |
DSCF0100 recode AAC.MP4 |
Base Media Main@L4@Main |
Constant 102Mbps HEVC vid bitrate, HD 25p HEVC AAC audio |
110MB |
Produced Clips
Clip Name |
MediaInfo Description |
Notes |
File Size |
Steve7 AVC.MP4 |
(no video present) |
AAC audio only |
422kB |
Steve7 HEVC.MP4 |
(no video present) |
AAC audio only |
422kB |
Steve7 AVC (from MOV recode).MP4 |
Base Media High@L4 |
82kbps AVC vid bitrate (white) HD 25p AAC audio |
493kB |
Steve7 HEVC (from MOV recode).MP4 |
Base Media High@L4 |
22kbps HEVC vid bitrate (white) HD 25p AAC audio |
443kB |
Steve7 HEVC Profile Analyzer.M2TS |
(no A/V present) |
no codec info
|
3kB |
Steve7 AVC (from MP4+MP3 recode).mp4 |
Base Media V2 High@L4 |
16Mbps AVC vid bitrate, HD 25p AAC audio (silent) |
18MB |
Steve7 HEVC (from MP4+MP3 recode).mp4 |
Base Media V2 Main@L4@Main |
9.5Mbps HEVC vid bitrate, HD 25p AAC audio (silent) |
11MB |
Steve7 AVC (from MP4+AAC recode).mp4 |
Base Media V2 High@L4 |
16Mbps AVC vid bitrate, HD 25p AAC audio |
17MB |
Steve7 HEVC (from MP4+AAC recode).mp4 |
Base Media V2 Main@L4@Main |
9.3Mbps HEVC vid bitrate, HD 25p AAC audio |
10MB |
Steve7 HEVC Profile Analyzer (from MP4+AAC recode) |
Base Media V2 Main@L5.1@High |
40Mbps HEVC vid bitrate, HD 25p AAC audio |
44MB |
Steve7 CPU HEVC Profile Analyzer (from MP4+AAC recode) |
Base Media V2 Main@L5.1@High |
62Mbps HEVC vid bitrate, HD 25p AAC audio |
67MB
|
So in summary, PD does not seem to be able to produce the video portion of OP's source clip. Converting the clip to HEVC MP4 using Handbrake or VirtualDub2 seems to be a good workaround until the issue is fixed in PD.
I've just reported the issue on ticket #CS002198236 and will post back after I hear from tech support.
This message was edited 2 times. Last update was at Jul 31. 2020 21:39
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