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Thread: rendered video

  1. #1

    Default rendered video

    sorry for my english..i import hd video(720p)and,although i choose "match media settings",the rendered video doesnt look same but the frames are fewer than the original and u can tell the difference...is this normal?how can i make it have the exact quality as the original?i just want to cut a part of the original video,nothing more...if i do it with a simple software like boilsoft video splitter,i have no problem

  2. #2

    Default

    OK so your project is set to match media. What are the specs of the video you are importing?.....progressive or interlaced/fps/codec. The quality of your finished video will depend on your render settings. What were your render settings?

  3. #3

    Default

    this is the media info of the video i import

    General
    Complete name : C:\Documents and Settings\PC\Τα έγγραφά μου\Ληφθέντα αρχεία\MOV_0001ff.mp4
    Format : MPEG-4
    Format profile : Base Media
    Codec ID : isom
    File size : 28.8 MiB
    Duration : 38s 997ms
    Overall bit rate : 6 197 Kbps

    Video
    ID : 2
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : Baseline@L3.1
    Format settings, CABAC : No
    Format settings, ReFrames : 1 frame
    Format settings, GOP : M=1, N=31
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 38s 883ms
    Bit rate : 6 003 Kbps
    Width : 1 280 pixels
    Height : 720 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Variable
    Frame rate : 29.704 fps
    Minimum frame rate : 29.042 fps
    Maximum frame rate : 30.405 fps
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.219
    Stream size : 27.8 MiB (97%)
    Title : VideoHandle
    Language : English

    Audio
    ID : 1
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format profile : LC
    Codec ID : 40
    Duration : 38s 997ms
    Bit rate mode : Constant
    Bit rate : 128 Kbps
    Nominal bit rate : 96.0 Kbps
    Channel(s) : 2 channels
    Channel positions : Front: L R
    Sampling rate : 48.0 KHz
    Compression mode : Lossy
    Stream size : 610 KiB (2%)
    Title : SoundHandle
    Language : English



    i choose match media with a video recorded from the same camera
    when i render i choose mainconcept mp4,default template and put the values i want

  4. #4

    Default

    Quote Originally Posted by andreas! View Post
    when i render i choose mainconcept mp4,default template and put the values i want
    Which are what? What values do you insert? You've left out the most important part of this. Please provide a screen grab of that template - just the Video part.

    Also run the Rendered File into G-Spot or MediaInfo so we can see the BEFORE and AFTER information.

    .. ...

  5. #5

    Default

    this is what i do
    2.JPG1.JPG

    this is the mediainfo of the rendered

    General
    Complete name : C:\Documents and Settings\PC\Επιφάνεια εργασίας\Untitled.mp4
    Format : MPEG-4
    Format profile : Base Media / Version 2
    Codec ID : mp42
    File size : 23.2 MiB
    Duration : 31s 701ms
    Overall bit rate : 6 139 Kbps
    Encoded date : UTC 2013-04-07 12:24:09
    Tagged date : UTC 2013-04-07 12:24:09

    Video
    ID : 2
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : Main@L3.1
    Format settings, CABAC : Yes
    Format settings, ReFrames : 2 frames
    Format settings, GOP : M=3, N=24
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 31s 698ms
    Bit rate mode : Variable
    Bit rate : 6 009 Kbps
    Maximum bit rate : 6 100 Kbps
    Width : 1 280 pixels
    Height : 720 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 29.970 fps
    Standard : NTSC
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.218
    Stream size : 22.7 MiB (98%)
    Language : English
    Encoded date : UTC 2013-04-07 12:24:09
    Tagged date : UTC 2013-04-07 12:24:09

    Audio
    ID : 1
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format profile : LC
    Codec ID : 40
    Duration : 31s 701ms
    Bit rate mode : Constant
    Bit rate : 128 Kbps
    Channel(s) : 2 channels
    Channel positions : Front: L R
    Sampling rate : 48.0 KHz
    Compression mode : Lossy
    Stream size : 490 KiB (2%)
    Language : English
    Encoded date : UTC 2013-04-07 12:24:09
    Tagged date : UTC 2013-04-07 12:24:09

  6. #6

    Default

    I had never seen 'variable' framerates before. Here is my list of the differences between the OP's original video and the rendered results.




    ORIGINAL
    ---------------
    The OP seems to have lost 7 seconds! That's alot!






    RESULTS
    ---------------
    Format profile : Baseline@L3.1 Format profile : Main@L3.1
    Format settings, CABAC : No Format settings, CABAC : Yes
    Format settings, ReFrames : 1 frame Format settings, ReFrames : 2 frames
    Format settings, GOP : M=1, N=31 Format settings, GOP : M=3, N=24
    Duration : 38s 883ms Duration : 31s 698ms
    (not given) Bit rate mode : Variable
    Bit rate : 6 003 Kbps Bit rate : 6 009 Kbps
    (not given) Maximum bit rate : 6 100 Kbps
    Frame rate mode : Variable Frame rate mode : Constant
    Frame rate : 29.704 fps Frame rate : 29.970 fps
    Minimum frame rate : 29.042 fps (not required)
    Maximum frame rate : 30.405 fps (not required)
    (not given) Standard : NTSC
    Bits/(Pixel*Frame) : 0.219 Bits/(Pixel*Frame) : 0.218
    Stream size : 27.8 MiB (97%) Stream size : 22.7 MiB (98%)

  7. #7

    Default

    Quote Originally Posted by TimAndrews View Post



    The OP seems to have lost 7 seconds! That's alot!





    i cut these 7 secs because i didnt need them

  8. #8

    Default

    You have this "Variable Frame Rate". OK......

    There are 2 places where you could experiment to get this aligned:

    1] Project settings has the option to allow the Source Media to match the Render settings.

    . . and . . .

    2] In the template you can set the render to match the frame rate.

    Of course, try one and THEN the other.

    I have never had to contemplate variable frame rate media. Is this a possibility of output from DSLRs which may be automatically altering the frame rate to to deal with exposure or Slomo? I have no idea.

    I'd also contemplate attempting to render an interim format to do prior to any editing.

    ...
    .

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