Flash format

[Ogilvy]

Hi does anybody know of a dvd player that can play H264/ACC(Dolby) in an .flv container please?

[aedipuss]

no.

acc isn't dolby by the way, that would be ac3.

[Ogilvy]

I meant ac3

[yoda313]

I think flv has very low support on settop units. I don't even think wdtv media players will play .flv files - though there are so many units now there might be one model that does support .flv from a usb drive.

What you can do is use winff or some similar program and "remux" them into a mp4 or mkv file. That is it will repackage them into the new file extension without reencoding.

You may run into some that have an error message that won't allow it to be remuxed. I still haven't found a way around that except to do a complete reencode.

But try the remuxing first.

Edit - oh and even if you have a dvd player that will play mp4 files it most likely won't play aac audio - you could reencode the audio to mp3 and that would do. Though I don't know of any dvd players that play h264 - there may be some but you would have to look hard for them.

Also dvd players won't play any high def files - they are limited to 720x480/576 and lower.

You would be better off investing in a sub 100.00 usd bluray player that has h264 file playback capability. I still don't think any have flv support but you can remux them to mp4 or mkv assuming the model you pick knows what mkv is. LG has models that play h264 mkv files from usb harddrives (and ntfs harddrives).

Edit - actually if you would be buying new equipment and don't need DISC playback look at a wdtv media player as they are about the most versatile unit you can find.

[El Heggunte]

The actual problem is the FLV container. Every container which was designed primarily for streaming
(ASF/WMV, RM/RMVB, and FLV) is very-pesky , to say the least.

[aedipuss]

lots of dvd players could play dixv. you could remux the flvs to avi with avidemux. would have been better with aac audio as divx won't accept ac3 but will play aac. you'll have to convert the audio. xmediarecode is another converter that has presets for dvd standalones that play divx/mp4.

[yoda313]

@aedipuss - none of those dvd players could play true h264 though right? The original poster is talking about h264 not divx.

Though the newest divx is a variant of h264 is it not? Are there any dvd players that support this version of divx? (If I remember correctly - could be wrong).

otherwise going to divx would reguire a full reencoding not a reemux (the original divx format that the dvd players would recognize not the new thing).

If I am wrong about this please enlighten me.

[El Heggunte]

IIRC, the "new" DivX format is MKV containing H264 video.

[aedipuss]

you're probably right, i never had a "divx" certified player. divx is ~h264. i never tried it but thought avidemux when rewrapping 264/aac to avi might be enough to fool the player. xmediarecode has dvd standalone divx/avi presets if re-encoding is required.

there were and maybe still are standalone dvd players that could play .mp4

[El Heggunte]

For the curious:

http://en.wikipedia.org/wiki/DivX_Plus_HD#Hardware

NOTICE: not all types of H264 video are compatible with the DivX Plus HD certification:

http://en.wikipedia.org/wiki/DivX_Plus_HD#x264_compatibility

[Ogilvy]

So does anybody know of a software to demux/remux from flv to mp4 without disastrous sync issues. I have a first-generation WDTV media player which supports .mp4. I tried a combinationn of Avidemux and mp4 muxer....catastrophy with the sync

[aedipuss]

sounds like the streams may contain variable frame rate video and/ or variable bit rate audio. post a text mode mediainfo of the file. if vbf/vbr will need to be converted to cbf/cbr.

[Ogilvy]

MediaInfo Files, original flv and demuxrd/remuxed mp4.......

General
Complete name Video.flv
Format : Flash Video
File size : 180 MiB
Duration : 50mn 26s
Overall bit rate : 500 Kbps
Tagging application : Yet Another Metadata Injector for FLV - Version 1.4

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 : 50mn 26s
Bit rate : 400 Kbps
Width : 624 pixels
Height : 352 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
Bits/(Pixel*Frame) : 0.076
Stream size : 143 MiB (79%)
Writing library : x264 core 125 r2200 999b753
Encoding settings : cabac=1 / ref=2 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=24 / lookahead_threads=4 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=30 / rc=2pass / mbtree=1 / bitrate=400 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=400 / vbv_bufsize=1000 / nal_hrd=none / ip_ratio=1.40 / aq=1:1.00

Audio
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 10
Duration : 50mn 26s
Bit rate : 94.3 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 44.1 KHz
Compression mode : Lossy
Delay relative to video : 19ms
Stream size : 36.2 MiB (20%)














General
Complete name Video.264-muxed.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 193 MiB
Duration : 55mn 20s
Overall bit rate mode : Variable
Overall bit rate : 488 Kbps
Encoded date : UTC 2013-02-04 23:08:33
Tagged date : UTC 2013-02-04 23:08:33
Writing application : My MP4Box GUI 0.6.0.6 <http://my-mp4box-gui.zymichost.com>

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.0
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 53mn 4s
Bit rate : 400 Kbps
Maximum bit rate : 1 007 Kbps
Width : 624 pixels
Height : 352 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.073
Stream size : 154 MiB (80%)
Title : HomelandS01E01.264
Writing library : x264 core 125 r2200 999b753
Encoding settings : cabac=1 / ref=2 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=24 / lookahead_threads=4 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=30 / rc=2pass / mbtree=1 / bitrate=400 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=400 / vbv_bufsize=1000 / nal_hrd=none / ip_ratio=1.40 / aq=1:1.00
Encoded date : UTC 2013-02-04 23:08:33
Tagged date : UTC 2013-02-04 23:08:42

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 55mn 20s
Bit rate mode : Variable
Bit rate : 96.0 Kbps
Maximum bit rate : 155 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 44.1 KHz
Compression mode : Lossy
Stream size : 38.0 MiB (20%)
Title : HomelandS01E01aud.aac
Encoded date : UTC 2013-02-04 23:08:39
Tagged date : UTC 2013-02-04 23:08:42





In the muxed version, duration is incorrect: also tried mp4 muxer, flv extract.....all have serious sync issues. Pulling hair out

[poisondeathray]

You used the wrong framerate, 23.976 became 25 , but it still doesn't make sense. 25 fps should make duration shorter, not longer.... something is really messed up


I would try ffmpeg

ffmpeg -i input.flv -vcodec copy -acodec copy output.mp4

[El Heggunte]

You used the wrong framerate, 23.976 became 25 , but it still doesn't make sense. 25 fps should make duration shorter, not longer.... something is really messed up

Possibly VFR (either actual or "effective", due to the weird nature of timestamping in the FLV container)

I would try ffmpeg

ffmpeg -i input.flv -vcodec copy -acodec copy output.mp4

I suggest:

ffmpeg -i input.flv -vcodec copy -acodec copy -r 23.976 output.mp4

[Ogilvy]

On a hunch I set framerate to 23.976.......duration is now correct and everything synced nicely. Appreciate all the help

[[_chef_]]

Hi does anybody know of a dvd player that can play H264/ACC(Dolby) in an .flv container please?

Does that even make sense? ....
Compare the flv tech with H264 and ac3!!!

What is the purpose of flv?