Build 5185 Transcoding Doubles Frame Rate!!
Posted: Sat Sep 10, 2011 6:42 pm
Hi,
This problem has been reported as potentially an error in the transcoded file header showing a 2x framerate.
Below are the transcoding parameters: Target = 25 FPS, Transcoded File = 50 FPS.
Regards,
pachow
INPUT FILE
==========
General
Complete name: C:\videos\input.mp4
Format: Flash Video
File size: 98.4 MiB
Duration: 21mn 20s
Overall bit rate: 645 Kbps
Video
Format: AVC
Format/Info: Advanced Video Codec
Format profile: High@L3.0
Format settings, CABAC: Yes
Format settings, ReFrames: 4 frames
Codec ID: 7
Duration: 21mn 20s
Bit rate mode: Variable
Maximum bit rate: 555 Kbps
Width: 640 pixels
Height: 360 pixels
Display aspect ratio: 16:9
Frame rate mode: Constant
Frame rate: 25.000 fps
Standard: Component
Color space: YUV
Chroma subsampling: 4:2:0
Bit depth: 8 bits
Scan type: Progressive
Audio
Format: AAC
Format/Info: Advanced Audio Codec
Format profile: LC
Codec ID: 10
Duration: 21mn 20s
Channel(s): 2 channels
Channel positions: Front: L R
Sampling rate: 44.1 KHz
Compression mode: Lossy
Target Format:
==============
Container: AVI
Muxer: FFmpeg
Video: Xvid
Encoder: Xvidcore
Mode: Avergae Bitrade
Bitrate: 1800 Kbps
Resolution: 720x404
Frame Rate: 25.00 FPS
De-interlace: Auto
Audio: MP3
Encoder: LAME MP3
Bitrate: 192 Kbps
Estimated Size: 303 MB
Output File:
============
General
Complete name: C:\videos\output.avi
Format: AVI
Format/Info: Audio Video Interleave
File size: 221 MiB
Duration: 21mn 19s
Overall bit rate: 1 451 Kbps
Writing application: Lavf53.6.0
Video
ID: 0
Format: MPEG-4 Visual
Format profile: Advanced Simple@L5
Format settings, BVOP: 2
Format settings, QPel: No
Format settings, GMC: No warppoints
Format settings, Matrix: Default (H.263)
Codec ID: XVID
Codec ID/Hint: XviD
Duration: 21mn 19s
Bit rate: 1 262 Kbps
Width: 720 pixels
Height: 404 pixels
Display aspect ratio: 16:9
Frame rate: 50.000 fps
Original frame rate: 25.000 fps
Color space: YUV
Chroma subsampling: 4:2:0
Bit depth: 8 bits
Scan type: Progressive
Compression mode: Lossy
Bits/(Pixel*Frame): 0.087
Stream size: 193 MiB (87%)
Writing library: XviD 63
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
Duration: 21mn 19s
Bit rate mode: Variable
Bit rate: 224 Kbps
Channel(s): 2 channels
Sampling rate: 44.1 KHz
Compression mode: Lossy
Stream size: 26.2 MiB (12%)
Alignment: Aligned on interleaves
Interleave, duration: 26 ms (1.31 video frame)
This problem has been reported as potentially an error in the transcoded file header showing a 2x framerate.
Below are the transcoding parameters: Target = 25 FPS, Transcoded File = 50 FPS.
Regards,
pachow
INPUT FILE
==========
General
Complete name: C:\videos\input.mp4
Format: Flash Video
File size: 98.4 MiB
Duration: 21mn 20s
Overall bit rate: 645 Kbps
Video
Format: AVC
Format/Info: Advanced Video Codec
Format profile: High@L3.0
Format settings, CABAC: Yes
Format settings, ReFrames: 4 frames
Codec ID: 7
Duration: 21mn 20s
Bit rate mode: Variable
Maximum bit rate: 555 Kbps
Width: 640 pixels
Height: 360 pixels
Display aspect ratio: 16:9
Frame rate mode: Constant
Frame rate: 25.000 fps
Standard: Component
Color space: YUV
Chroma subsampling: 4:2:0
Bit depth: 8 bits
Scan type: Progressive
Audio
Format: AAC
Format/Info: Advanced Audio Codec
Format profile: LC
Codec ID: 10
Duration: 21mn 20s
Channel(s): 2 channels
Channel positions: Front: L R
Sampling rate: 44.1 KHz
Compression mode: Lossy
Target Format:
==============
Container: AVI
Muxer: FFmpeg
Video: Xvid
Encoder: Xvidcore
Mode: Avergae Bitrade
Bitrate: 1800 Kbps
Resolution: 720x404
Frame Rate: 25.00 FPS
De-interlace: Auto
Audio: MP3
Encoder: LAME MP3
Bitrate: 192 Kbps
Estimated Size: 303 MB
Output File:
============
General
Complete name: C:\videos\output.avi
Format: AVI
Format/Info: Audio Video Interleave
File size: 221 MiB
Duration: 21mn 19s
Overall bit rate: 1 451 Kbps
Writing application: Lavf53.6.0
Video
ID: 0
Format: MPEG-4 Visual
Format profile: Advanced Simple@L5
Format settings, BVOP: 2
Format settings, QPel: No
Format settings, GMC: No warppoints
Format settings, Matrix: Default (H.263)
Codec ID: XVID
Codec ID/Hint: XviD
Duration: 21mn 19s
Bit rate: 1 262 Kbps
Width: 720 pixels
Height: 404 pixels
Display aspect ratio: 16:9
Frame rate: 50.000 fps
Original frame rate: 25.000 fps
Color space: YUV
Chroma subsampling: 4:2:0
Bit depth: 8 bits
Scan type: Progressive
Compression mode: Lossy
Bits/(Pixel*Frame): 0.087
Stream size: 193 MiB (87%)
Writing library: XviD 63
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
Duration: 21mn 19s
Bit rate mode: Variable
Bit rate: 224 Kbps
Channel(s): 2 channels
Sampling rate: 44.1 KHz
Compression mode: Lossy
Stream size: 26.2 MiB (12%)
Alignment: Aligned on interleaves
Interleave, duration: 26 ms (1.31 video frame)