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Hey everyone!
I'm changing the container of avi files to mp4 (no changes made to audio and video streams).
The output mp4 I tested on vlc, mplayer, media player classic HC and windows media player.
The problem is only media player classic HC is playing the mp4 in a lower frame rate, like it was 13fps or so. (audio plays normally)
Other mp4 files plays normally but this one below has the fps issue.
if i put the avi as output contairner it goes normally.
the problems happens using either ffmpeg or mp4box.
What could it be?
input avi file:
output mp4 file:Code:General Complete name : in.avi Format : AVI Format/Info : Audio Video Interleave File size : 176 MiB Overall bit rate mode : Variable Overall bit rate : 1 049 Kbps Writing application : VirtualDubMod 1.5.10.1 (build 2439/release) Writing library : VirtualDubMod build 2439/release Video ID : 0 Format : MPEG-4 Visual Format profile : Simple@L3 Format settings, BVOP : 2 Format settings, QPel : No Format settings, GMC : No warppoints Format settings, Matrix : Default (H.263) Muxing mode : Packed bitstream Codec ID : XVID Codec ID/Hint : XviD Bit rate : 918 Kbps Width : 576 pixels Height : 320 pixels Display aspect ratio : 16:9 Frame rate : 23.976 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Compression mode : Lossy Bits/(Pixel*Frame) : 0.208 Stream size : 154 MiB (88%) Writing library : XviD 1.1.0 Beta1 (UTC 2005-01-16) Audio ID : 1 Format : MPEG Audio Format version : Version 1 Format profile : Layer 3 Mode : Joint stereo Mode extension : MS Stereo Codec ID : 55 Codec ID/Hint : MP3 Bit rate mode : Variable Bit rate : 118 Kbps Minimum bit rate : 32.0 Kbps Channel(s) : 2 channels Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 19.7 MiB (11%) Alignment : Aligned on interleaves Interleave, duration : 24 ms (0.58 video frame) Interleave, preload duration : 156 ms Writing library : LAME3.93 Encoding settings : -m j -V 2 -q 2 -lowpass 19.7 --vbr-old -b 32
Code:General Complete name : out.mp4 Format : MPEG-4 Format profile : Base Media Codec ID : isom File size : 174 MiB Overall bit rate mode : Variable Overall bit rate : 1 038 Kbps Encoded date : UTC 2012-07-11 13:46:08 Tagged date : UTC 2012-07-11 13:46:08 Video ID : 1 Format : MPEG-4 Visual Format profile : Simple@L3 Format settings, BVOP : Yes Format settings, QPel : No Format settings, GMC : No warppoints Format settings, Matrix : Default (H.263) Codec ID : 20 Bit rate mode : Variable Bit rate : 918 Kbps Maximum bit rate : 7 167 Kbps Width : 576 pixels Height : 320 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 23.976 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Compression mode : Lossy Bits/(Pixel*Frame) : 0.208 Stream size : 154 MiB (88%) Writing library : XviD 1.1.0 Beta1 (UTC 2005-01-16) Encoded date : UTC 2012-07-11 13:46:08 Tagged date : UTC 2012-07-11 13:46:14 Audio ID : 2 Format : MPEG Audio Format version : Version 1 Format profile : Layer 3 Mode : Joint stereo Mode extension : MS Stereo Codec ID : 6B Bit rate mode : Variable Bit rate : 118 Kbps Minimum bit rate : 32.0 Kbps Maximum bit rate : 227 Kbps Channel(s) : 2 channels Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 19.7 MiB (11%) Title : ж'uČ Writing library : LAME3.93 Encoding settings : -m j -V 2 -q 2 -lowpass 19.7 --vbr-old -b 32 Encoded date : UTC 2012-07-11 13:46:13 Tagged date : UTC 2012-07-11 13:46:14
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Last edited by leandro; 11th Jul 2012 at 09:16. Reason: fixing
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You may have to unpack the packed bitstream. You can use Mpeg4Modifier.
Avi with packed bitstream -> AVI without packed bitstream -> MP4 -
Thanks jagabo!You may have to unpack the packed bitstream. You can use Mpeg4Modifier.
Avi with packed bitstream -> AVI without packed bitstream -> MP4
I didn't know about this packed bit stream! thanks! I did some search and i found that packed bit stream files may have issues when pleying outside a pc (other players).
Worked 100% Thanks dude!Last edited by leandro; 11th Jul 2012 at 13:54. Reason: fixing
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