Quote Hi guys, I just joined having experienced an issue which I cannot find anything on.

When i import a H.265 file, it will play video and audio in preview ok, but when dropped into a track on the timeline, there is no audio track.
And the audio is gone completely, not just a blank track.

This only seems to be with H.265 clips.
H.264 and some other file format types are ok, they have audio tracks on the timeline ok.

Anyone else encountered this issue, maybe even know of a fix?

Thanks

Hi,

Can you post the MediaInfo on the clip and that would also indicate if the file has more than one audio track? PDR has difficulty handling most multiple audio tracks format.

Cheers
PowerDirector Moderator

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Quote


Hi,

Can you post the MediaInfo on the clip and that would also indicate if the file has more than one audio track? PDR has difficulty handling most multiple audio tracks format.

Cheers
PowerDirector Moderator

Thanks for reply.

I'm not sure what you mean by MediaInfo but I think you might mean the clip properties?

As below, there is no audio info for the clip. But it has audio when i play it in preview, or indeed another video player program.


You might be on to something there with PDR being unable to deal with multi track formats - these video clips I'm having trouble with come from a dual-channel dashcam, where there are 2 video channels and they share an audio channel.

I have not tried a H265 HEVC clip from a single channel camera yet.

Use the MediaInfo online tool, drag your clip there then click on the Download MediaInfo report button and attach it to your reply

MediaInfo refers to the standalone app or the online version https://mediaarea.net/MediaInfoOnline which simply reads the video file header so don't worry about it uploading your whole video file. Post that text file for a valid answer, it provides the details on what audio tracks reside on the MP4 file.

My guess, your MP4 has multiple audio tracks which the MP4 container supports but PD does not. For this, one would have to use a product like HandBrake to produce a MP4 file with the audio stream you desire from those available on the MP4 file.

Jeff

Thanks guys

This is the text file;

General
Complete name : 20220226_210332_ER.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42 (mp42/mp42)
File size : 80.0 MiB
Duration : 1 min 0 s
Overall bit rate : 11.1 Mb/s
Encoded date : UTC 2022-02-26 21:04:33
Tagged date : UTC 2022-02-26 21:04:33

Video
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main@L4.1@Main
Codec ID : hvc1
Codec ID/Info : High Efficiency Video Coding
Duration : 1 min 0 s
Source duration : 1 min 0 s
Bit rate : 10.5 Mb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 29.970 (29970/1000) FPS
Minimum frame rate : 14.925 FPS
Maximum frame rate : 31.250 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Bits/(Pixel*Frame) : 0.169
Stream size : 75.4 MiB (94%)
Source stream size : 75.4 MiB (94%)
Language : English
Encoded date : UTC 2022-02-26 21:04:33
Tagged date : UTC 2022-02-26 21:04:33
Color range : Full
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
mdhd_Duration : 60385
Codec configuration box : hvcC

Audio
ID : 2
Format : MPEG Audio
Format version : Version 2.5
Format profile : Layer 3
Codec ID : .mp3
Duration : 1 min 0 s
Source duration : 1 min 0 s
Bit rate mode : Constant
Bit rate : 16.0 kb/s
Channel(s) : 1 channel
Channel layout : C
Sampling rate : 11.025 kHz
Compression mode : Lossy
Stream size : 118 KiB (0%)
Source stream size : 118 KiB (0%)
Language : English
Encoded date : UTC 2022-02-26 21:04:33
Tagged date : UTC 2022-02-26 21:04:33
mdhd_Duration : 60352

My guess of multiple audio streams was wrong, however, you have MPEG Audio which used to be supported but was decommissioned. My previous comment on using HandBrake is still valid to create a MP4 with compatible audio (AAC for instance). I'd convert a file with HandBrake and see if PD works fine with the converted file.

Jeff

Quote My guess of multiple audio streams was wrong, however, you have MPEG Audio which used to be supported but was decommissioned. My previous comment on using HandBrake is still valid to create a MP4 with compatible audio (AAC for instance). I'd convert a file with HandBrake and see if PD works fine with the converted file.

Jeff

Thanks Jeff I'll give it a go. Strange the way a recent nee model top of the range dashcam uses an old audio format

I used HandBrake to convert a clip to H.265 MP4 video and AAC audio. This works, the audito track now appears in the timeline and can be heard. However the audio quality is down from the MPEG it originated with - might need to paly around a bit.

I've also found the dashcams can record in H.264, so I am giving this a go. It occupies more space on the SD card, but not so much it's not an option.