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0
votes
2answers
134 views

Premiere Pro CC export produces dark, muddied video

I've dug around numerous forums and have had no success finding a solution to my issue - .mp4 files color corrected in Premiere and exported in H.264 end up being unacceptably dark, the colors crushed....
1
vote
1answer
15 views

How can I generate a color-correct h264/MP4 from a DPX sequence using ffmpeg?

We are converting a sequence of DPX files into an MP4. When the artist uses Adobe Media Encoder CC to generate the video, the colors match the original DPX. When we use ffmpeg, the video has a reddish ...
1
vote
1answer
134 views

How to prevent lossy re-encode of low-bitrate videos uploaded to YouTube

I have a huge number of low-res Flash videos (480x270, 30 fps, 800 Kbps) and I want to resample all those videos in 1280x720 with some added spatial sharpening and lomo filters to make them look nicer....
0
votes
1answer
219 views

How to set double fps for tbc option of video

I need to set tbc option for output video. For example, input video has 25 fps with 50 tbc and my encoded video has 25fps with 25 tbc. I used settb and video_track_timescale but these options did not ...
0
votes
1answer
61 views

H.264 on analog camera

Years ago I bought Vitamin D Video software for videosurveillance, which doesn' support H.264, but only mpeg-4. Currently I'm using two cheap analog cameras (RCA, PAL) connected to pc through 1 usb ...
2
votes
0answers
260 views

Colors look different after export

Colors look great in FCPX. After I export (Share > Master file > H.264 Quicktime) they look a bit dull: desaturated, less vibrant. Also sort of like the wrong gamma curve - shadows are darker. I ...
1
vote
0answers
38 views

MPC-HC is altering the colors

In order to test a lossless recording system, I have to verify that the input video is exactly the same than the output video. As a test source I have generated an ffmpeg's testsrc pattern, which is ...
1
vote
0answers
66 views

Losing audio in re-encoding with ffmpeg

I have some DVDs I want to save MP4s from. The video files are VOB files. I can play them if I change the extension to .mp4, but I can't use the seek bar in Windows Media Player. Also, the files are ...
1
vote
0answers
702 views

Switching between H.264 video streams on the fly?

I have several H.264 encoded MP4 files, as well as still images. From these I want to generate a single video stream that I can broadcast. The stream will be composed of alternating still images and ...
0
votes
0answers
15 views

H264 capture from Mini Recorder

I've got a Blackmagic Design Ultrastudio Mini Recorder, which allows me to record HDMI and SDI in. In the list of supported codecs for capturing from it (both in premiere and its own software), I see ...
0
votes
0answers
13 views

Change the slice mode during the encoding in H.264

I'm working in implementing a back pressure mechanism between to locutors in a video comunication to manage the bandwidth consumption. Does the slice modes and the rc modes affects the packets size ...
0
votes
0answers
34 views

H264 encoding double image problem

I am getting double image like following with h264 encoding. This is the original image What could I be doing wrong here?
-1
votes
0answers
20 views

Why is this mp4 file corrupted?

I recorded this file by an Android encoder, but after a while the video gets corrupted. However re-encoding with FFMPEG fixes it. But I'd like to know what's wrong with the original file. http://...
-1
votes
0answers
19 views

Dash player stalls on high bitrate video

I transcoded Sintel for Dash using the commands below. Everything seems fine, except the Dash.js Reference Player stalls at 3:30 - I run it on a local HTTP server with a clone of their Github project -...