View Profile
View Forum Posts
Private Message
Hello
It's been quite some time since I was brainstroming around this forum etc to get my workflow going and I build a pretty good one.
I thought I messed up since in Sony Vegas it reports that i have two audio streams, i think it just makes up the "sorround downmix" all by it self.
I didn't start any project with the clips yet but I was trying to research the web how to properly do downmix, and was wondering if you guys think the auto-downmix from Vegas is OK or is this a more complex subject and I would have to learn all the mixing stuff ?
---------------------------------------------------------------------------
But another thing that popped up is this weird MENU entry in MEDIAINFO after the clips are extracted, but FFMPEG doesn't display any more streams than video and audio (5.1) and i've checked the MAPpings and seems to be all fine to me, but I definitely don't know everything with FFMPEG. I'm not sure if this is connected to the vegas displaying more
I do understand the audio config, yes I also have set up 5.1 with Vegas 13 in which I attempted my own cutom downmix but didn't guite got the feeling of it, there just seems a big difference between the plain 5.1 and the auto-downmix, I fear that auto downmix is missing some audio but the 5.1 obviously sounds better so im not sure which one to pick.
I was just wondering if this is a big deal or not or how, now that I have done the hardwork, redoing the clip extraction is very easy and fast now, it's all automated in batches.
The process:
1. The VOBs are CONCAT with this command:
So this mapping here should only copy video and audio1 (which is english 5.1)Code:ffmpeg -loglevel verbose -i "concat:VTS_01_1.VOB|VTS_01_2.VOB|VTS_01_3.VOB|VTS_01_4.VOB" -map 0:1 -map 0:2 -c copy -threads 8 -f mpegts VTS_01_CON_INTERMEDIATE.mpg
2. The Intermediate is further processed to MPG:
3. Then the clips get extracted from ...FIN...mpg with:Code:ffmpeg -loglevel verbose -i VTS_01_CON_INTERMEDIATE.MPG -map 0:0 -vcodec mpeg2video -b:v 3000k -minrate 2000k -maxrate 6000k -bufsize 500k -vf "scale=864x486,fieldmatch" -map 0:1 -acodec copy -threads 8 -f mpegts VTS_01_FIN_DVDx.mpg
///////////////////////////////////////////////Code:ffmpeg -loglevel verbose -i VTS_01_FIN.mpg -ss 00:02:00 -to 00:01:00 -map 0:0 -map 0:1 -c copy -f mpegts SG1_S0E0_#_001.mpg
This is the MediaInfo from VOB1
----------Code:General Complete name : C:\SG-1-MPG-TMP\VTS_01_1.VOB Format : MPEG-PS File size : 1 024 MiB Duration : 40mn 2s Overall bit rate mode : Variable Overall bit rate : 3 576 Kbps Video ID : 224 (0xE0) Format : MPEG Video Format version : Version 2 Format profile : Main@Main Format settings, BVOP : Yes Format settings, Matrix : Custom Format settings, GOP : Variable Duration : 40mn 2s Bit rate mode : Variable Bit rate : 2 673 Kbps Maximum bit rate : 9 802 Kbps Width : 720 pixels Height : 480 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 Scan order : 2:3 Pulldown Compression mode : Lossy Bits/(Pixel*Frame) : 0.323 Time code of first frame : 00:59:59;00 Time code source : Group of pictures header Stream size : 765 MiB (75%) Audio #1 ID : 189 (0xBD)-128 (0x80) Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Format settings, Endianness : Big Muxing mode : DVD-Video Duration : 40mn 1s Bit rate mode : Constant Bit rate : 448 Kbps Channel(s) : 6 channels Channel positions : Front: L C R, Side: L R, LFE Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 128 MiB (13%) Audio #2 ID : 189 (0xBD)-129 (0x81) Format : AC-3 Format/Info : Audio Coding 3 Format profile : Dolby Digital Mode extension : CM (complete main) Format settings, Endianness : Big Muxing mode : DVD-Video Duration : 40mn 1s Bit rate mode : Constant Bit rate : 192 Kbps Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 55.0 MiB (5%) Audio #3 ID : 189 (0xBD)-130 (0x82) Format : AC-3 Format/Info : Audio Coding 3 Format profile : Dolby Digital Mode extension : CM (complete main) Format settings, Endianness : Big Muxing mode : DVD-Video Duration : 40mn 1s Bit rate mode : Constant Bit rate : 192 Kbps Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 55.0 MiB (5%) Text #1 ID : 189 (0xBD)-32 (0x20) Format : RLE Format/Info : Run-length encoding Muxing mode : DVD-Video Duration : 39mn 58s Delay relative to video : 1s 1ms Text #2 ID : 224 (0xE0)-CC3 Format : EIA-608 Muxing mode, more info : Muxed in Video #1 Bit rate mode : Constant Stream size : 0.00 Byte (0%) Menu
//////////////////////////////////////////////
This is the MediaInfo from INTERMEDIATE
----------Code:General ID : 1 (0x1) Complete name : C:\SG-1-MPG-TMP\VTS_01_CON_INTERMEDIATE.mpg Format : MPEG-TS File size : 3.83 GiB Duration : 2h 54mn Overall bit rate mode : Variable Overall bit rate : 3 137 Kbps Video ID : 256 (0x100) Menu ID : 1 (0x1) Format : MPEG Video Format version : Version 2 Format profile : Main@Main Format settings, BVOP : Yes Format settings, Matrix : Custom Format settings, GOP : Variable Codec ID : 2 Duration : 2h 54mn Bit rate mode : Variable Bit rate : 2 529 Kbps Maximum bit rate : 9 802 Kbps Width : 720 pixels Height : 480 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 Scan order : 2:3 Pulldown Compression mode : Lossy Bits/(Pixel*Frame) : 0.305 Time code of first frame : 00:59:59;00 Time code source : Group of pictures header Stream size : 3.08 GiB (81%) Audio ID : 257 (0x101) Menu ID : 1 (0x1) Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Format settings, Endianness : Big Codec ID : 129 Duration : 2h 54mn Bit rate mode : Constant Bit rate : 448 Kbps Channel(s) : 6 channels Channel positions : Front: L C R, Side: L R, LFE Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 559 MiB (14%) Text ID : 256 (0x100)-CC3 Menu ID : 1 (0x1) Format : EIA-608 Muxing mode, more info : Muxed in Video #1 Duration : 2h 54mn Bit rate mode : Constant Stream size : 0.00 Byte (0%) Menu ID : 4096 (0x1000) Menu ID : 1 (0x1) Duration : 2h 54mn List : 256 (0x100) (MPEG Video) / 257 (0x101) (AC-3) Service name : Service01 Service provider : FFmpeg Service type : digital television
//////////////////////////////////////////////
This is the MediaInfo from FINAL
-----------------------------Code:General ID : 1 (0x1) Complete name : C:\SG-1-MPG-TMP\VTS_01_FIN_DVDx.mpg Format : MPEG-TS File size : 4.86 GiB Duration : 2h 54mn Overall bit rate mode : Variable Overall bit rate : 3 987 Kbps Video ID : 256 (0x100) Menu ID : 1 (0x1) Format : MPEG Video Format version : Version 2 Format profile : Main@High 1440 Format settings, BVOP : No Format settings, Matrix : Default Format settings, GOP : Variable Codec ID : 2 Duration : 2h 54mn Bit rate mode : Variable Bit rate : 3 337 Kbps Maximum bit rate : 6 000 Kbps Width : 864 pixels Height : 486 pixels Display aspect ratio : 16:9 Frame rate : 29.970 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Compression mode : Lossy Bits/(Pixel*Frame) : 0.265 Time code of first frame : 00:00:00:00 Time code source : Group of pictures header GOP, Open/Closed : Open GOP, Open/Closed of first frame : Closed Stream size : 4.07 GiB (84%) Audio ID : 257 (0x101) Menu ID : 1 (0x1) Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Format settings, Endianness : Big Codec ID : 129 Duration : 2h 54mn Bit rate mode : Constant Bit rate : 448 Kbps Channel(s) : 6 channels Channel positions : Front: L C R, Side: L R, LFE Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 559 MiB (11%) Menu ID : 4096 (0x1000) Menu ID : 1 (0x1) Duration : 2h 54mn List : 256 (0x100) (MPEG Video) / 257 (0x101) (AC-3) Service name : Service01 Service provider : FFmpeg Service type : digital television
////////////////////////////////////////////////////////////
And this is the MediaInfo from Clip + Vegas Stereo Downmix Thingy
the early ones are stereo only so i put that in for comparison
-----------------------------
////////////////////////////////////////////////////////////
This is the Intermediate Batch Process
-----------------------------
////////////////////////////////////////////////////////////
And the Final Batch Process
----------------
-----------------
----------------
So the idea was If I can do a proper and high-quality downmix (if this even exists) with FFMPEG , so I would leave the 5.1 and an added 2 ch audio stream right there in the files so it would be easier to just pick which one without some Sony Vegas automation. And I want to get rid of that MENU stream if it's not some bug by MediaInfo.
Any ideas? I was out of this for a few months so kind of getting back since I have like 30% to do and need to finish this to release some space on my SSD, i will get back to it but i just posted this tread to get me started again.
+ Reply to Thread
Results 1 to 1 of 1
QuoteSimilar Threads
-
No direct stream copy in vegas pro 11?
By supercain in forum EditingReplies: 13Last Post: 18th Dec 2011, 02:10 -
Importing .mp4 into Vegas puts unwanted pixels in video
By HaffaWaffle in forum EditingReplies: 8Last Post: 7th Oct 2011, 23:40 -
MediaInfo Context Menu
By drgt in forum Newbie / General discussionsReplies: 1Last Post: 31st May 2011, 15:48 -
WMV missing Menu section using MediaInfo
By Modify_inc in forum Video ConversionReplies: 3Last Post: 4th Mar 2011, 22:11 -
Opening a video in Sony Vegas 7.0 with auto adjusted aspect ratio?
By ilimitus in forum EditingReplies: 1Last Post: 6th Feb 2011, 21:52