How to transcode video audio only?

Hi there,

I'm trying to configure a profile for my popcorn hours A100 and A210. All I need to do is transcode DTS to AC3 and keep everything the same as the generic profile. Can someone please help me here and show me what I need to do? I've read the tutorials and tried a few things but I just can't get it.

Thanks.

OK I figured it out. You have to specify a container. Not exactly what I wanted because the popcorn hour can handle all containers. Here is my working profile for anyone interested. This is for playback on a stero TV:

<Profile id="22" name="Popcorn Hour NMT" extendsProfileId="1">
<Detection>
<UPnPSearch>
<ModelName>Popcorn Hour NMT</ModelName>
</UPnPSearch>
</Detection>
<Transcoding>
<Video targetContainer="mpegts" targetACodec="mp3" forceStereo="true">
<Matches container="matroska" />
<Matches container="mpeg" />
<Matches container="mpegts" />
<Matches container="mpegvideo" />
<Matches container="avi" vCodec="h264" />
<Matches container="avi" vCodec="msmpeg4" />
<Matches container="avi" vCodec="wmv2" />
<Matches container="avi" vCodec="dvvideo" />
<Matches container="wtv" />
<Matches container="ogg" />
<Matches container="3gp" />
<Matches container="flv" />
</Video>
</Transcoding>
</Profile>

I too have been trying to figure this out.

I have 20 Divx files that have 44.1kHz sample rate mp3 audio encoding and my PS3 does not like it.

After spending a few hours with the profile.xml trying different combinations of audio transcoding, it looks like I must transcode the video too. Is there anyway to "pass through" the video data and just transcode the audio?

If not, is there a video codec that I can transcode with that is easier on the cpu? I've already successfully transcoded the Divx video to mpeg2 and the audio to AC3, but ffmpeg.exe kills my poor ULV Celeron M processor on my server.

[zip]

you can just remux the video, yes. Use mpegts container and don't provide targetVCodec.

[patters]

The reason you have to specify a container is that only very few containers can be live-streamed (i.e. written while that same files is being played). I think that profile can be a lot more specific. Also, the ac3 encoder is much more efficient than the mp3 one, even with 5.1 channels. So, how about:

  Code:

<Profile id="22" name="Popcorn Hour NMT" extendsProfileId="1">
<Detection>
<UPnPSearch>
<ModelName>Popcorn Hour NMT</ModelName>
</UPnPSearch>
</Detection>   
<Transcoding>
<Video targetContainer="mpegts" targetACodec="ac3">
<Matches container=* aCodec="dca" />
</Video>
</Transcoding>
</Profile>

If you want to force two channel audio during transcoding, set that option in the Transcoding tab of the Serviio Console application.

EDIT - actually I think the wildcard matching I used there (container=*) will only be supported in the next version of Serviio (I've been running the betas so I forgot). Shouldn't be long though.

Thank you both for the replies. When I get some time I will modify the profiles.xml and see what happens.

I setup transcoding with mpegts as target container and no targetVCodec specified. When I go to play the file on my ps3, I get a "network error" response. Also, my LG BD player hangs. However, if I go in a specify a targetVCodec again (mpeg2video) everything works fine, except for ffmpeg grilling my Celeron M cpu.

Looks like I have to specify a targetVCodec? If so, is there a codec that I can transcode to that is less taxing on my cpu?

[zip]

you dont have to specify targetVCodec. What is the detailed log when you play the file?

My PS3 returns this error:
"Media Server Error: A network error has occurred. (00000000)"

Serviio log file output:

2012-07-22 20:44:25,000 WARN [ProcessExecutor] Process cmd has a return code of 1! This is a possible error.
2012-07-22 20:44:31,140 ERROR [ResourceTransportRequestHandler] Error while processing resource, sending back 500 error. Message: FFmpeg execution failed
java.io.IOException: FFmpeg execution failed
at org.serviio.delivery.resource.transcode.FileBasedTranscodingDeliveryStrategy.createInputStream(FileBasedTranscodingDeliveryStrategy.java:47)
at org.serviio.delivery.resource.transcode.AbstractTranscodingDeliveryEngine.retrieveTranscodedResource(AbstractTranscodingDeliveryEngine.java:129)
at org.serviio.delivery.resource.AbstractDeliveryEngine.deliver(AbstractDeliveryEngine.java:96)
at org.serviio.delivery.MediaResourceRetrievalStrategy.retrieveResource(MediaResourceRetrievalStrategy.java:121)
at org.serviio.upnp.webserver.ResourceTransportRequestHandler.handleRequest(ResourceTransportRequestHandler.java:116)
at org.serviio.upnp.webserver.AbstractRequestHandler.handle(AbstractRequestHandler.java:54)
at org.apache.http.protocol.HttpService.doService(HttpService.java:293)
at org.serviio.upnp.webserver.ServiioHttpService.doService(ServiioHttpService.java:58)
at org.apache.http.protocol.HttpService.handleRequest(HttpService.java:212)
at org.serviio.upnp.webserver.WebServer$WorkerThread.run(WebServer.java:187)
2012-07-22 20:44:31,171 ERROR [ResourceTransportRequestHandler] Error while processing resource, sending back 500 error. Message: FFmpeg execution failed
java.io.IOException: FFmpeg execution failed
at org.serviio.delivery.resource.transcode.FileBasedTranscodingDeliveryStrategy.createInputStream(FileBasedTranscodingDeliveryStrategy.java:47)
at org.serviio.delivery.resource.transcode.AbstractTranscodingDeliveryEngine.retrieveTranscodedResource(AbstractTranscodingDeliveryEngine.java:129)
at org.serviio.delivery.resource.AbstractDeliveryEngine.deliver(AbstractDeliveryEngine.java:96)
at org.serviio.delivery.MediaResourceRetrievalStrategy.retrieveResource(MediaResourceRetrievalStrategy.java:121)
at org.serviio.upnp.webserver.ResourceTransportRequestHandler.handleRequest(ResourceTransportRequestHandler.java:116)
at org.serviio.upnp.webserver.AbstractRequestHandler.handle(AbstractRequestHandler.java:54)
at org.apache.http.protocol.HttpService.doService(HttpService.java:293)
at org.serviio.upnp.webserver.ServiioHttpService.doService(ServiioHttpService.java:58)
at org.apache.http.protocol.HttpService.handleRequest(HttpService.java:212)
at org.serviio.upnp.webserver.WebServer$WorkerThread.run(WebServer.java:187)


This is how my profile is setup (specifically the bottom group):

  Code:

<Profile id="4" name="Playstation 3" extendsProfileId="1">
      <Detection>
         <HttpHeaders>
            <X-AV-Client-Info>.*PLAYSTATION 3.*</X-AV-Client-Info>
         </HttpHeaders>   
      </Detection>
      <MediaFormatProfiles>
         <MediaFormatProfile mime-type="video/divx">AVI</MediaFormatProfile>
      </MediaFormatProfiles>
      <Transcoding>
         <!-- Transcode all h264 video with HIGH/MAIN > Level 4.1 on MPEG-TS stream with MPEG2VIDEO and ac3 audio transcoding -->
         <Video targetContainer="mpegts" targetVCodec="mpeg2video" targetACodec="ac3" aBitrate="384">
            <Matches container="avi" vCodec="h264" profile="high" levelGreaterThan="4.1" />
            <Matches container="avi" vCodec="h264" profile="main" levelGreaterThan="4.1" />
            <Matches container="matroska" vCodec="h264" profile="high" levelGreaterThan="4.1" />
            <Matches container="matroska" vCodec="h264" profile="main" levelGreaterThan="4.1" />
            <Matches container="mp4" vCodec="h264" profile="high" levelGreaterThan="4.1" />
            <Matches container="mp4" vCodec="h264" profile="main" levelGreaterThan="4.1" />
            <Matches container="mpegts" vCodec="h264" profile="high" levelGreaterThan="4.1" />
                     <Matches container="mpegts" vCodec="h264" profile="main" levelGreaterThan="4.1" />
            <Matches container="avi" vCodec="dvvideo" />
            <Matches container="matroska" vCodec="vp8" />
         </Video>
         <!--
            remux MKV with any video to MPEG2TS and possibly change audio to ac3, also AVI and FLV with H264
         -->
         <Video targetContainer="mpegts" targetACodec="ac3">
            <Matches container="matroska" />
            <Matches container="avi" />
            <Matches container="flv" vCodec="h264" />
            <Matches container="3gp" aCodec="amrnb" />
         </Video>

[zip]

can you enable detailed logging, try it again and find the ffmpeg command that fails? then run it manually and post the error message you'll get

Is this what you're looking for? If not, you will have to explain further what "run it manually" means.

2012-07-23 22:26:34,734 DEBUG [FFMPEGWrapper] Invoking FFmpeg to transcode video file: D:\multimedia\Seaworld.avi
2012-07-23 22:26:34,734 DEBUG [ProcessExecutor] Starting C:\Program Files\Serviio\bin\\..\lib/ffmpeg.exe -i D:\multimedia\Seaworld.avi -y -async 1 -vcodec copy -copyts -acodec ac3 -ab 112k -ac 2 -map 0:0 -map 0:1 -sn -f mpegts D:\Temp\Serviio\transcoding-temp-19884-MPEG2TS.stf
2012-07-23 22:26:36,015 WARN [ProcessExecutor] Process cmd has a return code of 1! This is a possible error.
2012-07-23 22:26:36,031 DEBUG [TranscodingJobListener] Transcoding finished; successful: false
2012-07-23 22:26:42,296 ERROR [ResourceTransportRequestHandler] Error while processing resource, sending back 500 error. Message: FFmpeg execution failed

[zip]

it's hlf of it. now open a command window and run this comand

  Code:

ffmpeg.exe -i D:\multimedia\Seaworld.avi -y -async 1 -vcodec copy -copyts -acodec ac3 -ab 112k -ac 2 -map 0:0 -map 0:1 -sn -f mpegts D:\Temp\Serviio\transcoding-temp-19884-MPEG2TS.stf

More details here: viewtopic.php?f=5&t=960

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Admin>cd c:\program files\serviio\lib

C:\Program Files\Serviio\lib>ffmpeg.exe -i D:\multimedia\Seaworld.
avi -y -async 1 -vcodec copy -copyts -acodec ac3 -ab 112k -ac 2 -map 0:0 -map 0:
1 -sn -f mpegts D:\Temp\Serviio\transcoding-temp-19884-MPEG2TS.stf
ffmpeg version 0.9, Copyright (c) 2000-2011 the FFmpeg developers
built on Dec 13 2011 20:46:11 with gcc 4.4.2
configuration: --enable-static --disable-shared --disable-ffplay --disable-ffs
erver --enable-memalign-hack --enable-libmp3lame --enable-librtmp --extra-libs='
-lrtmp -lpolarssl -lws2_32 -lwinmm' --arch=x86 --enable-runtime-cpudetect --enab
le-pthreads --target-os=mingw32 --cross-prefix=i686-mingw32- --pkg-config=pkg-co
nfig
libavutil 51. 32. 0 / 51. 32. 0
libavcodec 53. 42. 0 / 53. 42. 0
libavformat 53. 24. 0 / 53. 24. 0
libavdevice 53. 4. 0 / 53. 4. 0
libavfilter 2. 53. 0 / 2. 53. 0
libswscale 2. 1. 0 / 2. 1. 0
[mpeg4 @ 003fa020] Invalid and inefficient vfw-avi packed B frames detected

Seems stream 0 codec frame rate differs from container frame rate: 23.98 (65535/
2733) -> 23.98 (10000000/417083)
Input #0, avi, from 'D:\multimedia\Seaworld.avi':
Metadata:
encoder : AVI-Mux GUI 1.17.7, Aug 8 2006 20:59:17
JUNK :
Duration: 01:56:58.79, start: 0.000000, bitrate: 834 kb/s
Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (DX50 / 0x30355844), yuv
420p, 672x272 [SAR 1:1 DAR 42:17], 23.98 tbr, 23.98 tbn, 23.98 tbc
Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, stereo, s16, 112 kb
/s
Incompatible sample format 's16' for codec 'ac3', auto-selecting format 'flt'
[ac3 @ 019bda20] channel_layout not specified
[ac3 @ 019bda20] No channel layout specified. The encoder will guess the layout,
but it might be incorrect.
[mpegts @ 003f8020] muxrate VBR, pcr every 2 pkts, sdt every 200, pat/pmt every
40 pkts
Output #0, mpegts, to 'D:\Temp\Serviio\transcoding-temp-19884-MPEG2TS.stf':
Metadata:
JUNK :
encoder : Lavf53.24.0
Stream #0:0: Video: mpeg4 (DX50 / 0x30355844), yuv420p, 672x272 [SAR 1:1 DAR
42:17], q=2-31, 90k tbn, 23.98 tbc
Stream #0:1: Audio: ac3, 44100 Hz, stereo, flt, 112 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (mp3 -> ac3)
Press [q] to stop, [?] for help
[mpegts @ 003f8020] first pts value must set
av_interleaved_write_frame(): Operation not permitted

C:\Program Files\Serviio\lib>

[zip]

ok, thanks. Can you try the same with 1.0?

ok, thanks. Can you try the same with 1.0?

Do you mean Serviio 1.0? or FFmpeg 1.0?

[zip]

Serviio

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Admin>cd c:\program files\serviio\lib

C:\Program Files\Serviio\lib>ffmpeg.exe -i D:\multimedia\Seaworld.
avi -y -async 1 -vcodec copy -copyts -acodec ac3 -ab 112k -ac 2 -map 0:0 -map 0:
1 -sn -f mpegts D:\Temp\Serviio\transcoding-temp-19884-MPEG2TS.stf
ffmpeg version N-42368-gbf53863 Copyright (c) 2000-2012 the FFmpeg developers
built on Jul 10 2012 03:40:45 with gcc 4.6.3
configuration: --enable-static --disable-shared --disable-ffplay --disable-ffs
erver --enable-memalign-hack --enable-libmp3lame --enable-librtmp --extra-libs='
-lrtmp -lpolarssl -lws2_32 -lwinmm' --arch=x86 --enable-runtime-cpudetect --enab
le-pthreads --target-os=mingw32 --cross-prefix=i686-w64-mingw32- --pkg-config=pk
g-config
libavutil 51. 64.100 / 51. 64.100
libavcodec 54. 33.100 / 54. 33.100
libavformat 54. 15.102 / 54. 15.102
libavdevice 54. 1.100 / 54. 1.100
libavfilter 3. 1.100 / 3. 1.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
[avi @ 003FD280] non-interleaved AVI
[mpeg4 @ 01908340] Invalid and inefficient vfw-avi packed B frames detected
Input #0, avi, from 'D:\multimedia\Seaworld.avi':
Metadata:
encoder : AVI-Mux GUI 1.17.7, Aug 8 2006 20:59:17
JUNK :
Duration: 01:56:58.79, start: 0.000000, bitrate: 834 kb/s
Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (DX50 / 0x30355844), yuv
420p, 672x272 [SAR 1:1 DAR 42:17], 23.98 tbr, 23.98 tbn, 23.98 tbc
Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, stereo, s16, 112 kb
/s
[graph 0 input from stream 0:1 @ 01925120] tb:1/44100 samplefmt:s16 samplerate:4
4100 chlayout:0x3
-async is forwarded to lavfi similarly to -af aresample=min_comp=0.001:min_hard_
comp=0.100000.
[graph 0 aresample for input stream 0:1 @ 01925440] chl:stereo fmt:s16 r:44100Hz
-> chl:stereo fmt:flt r:44100Hz
[mpegts @ 01916020] muxrate VBR, pcr every 2 pkts, sdt every 200, pat/pmt every
40 pkts
Output #0, mpegts, to 'D:\Temp\Serviio\transcoding-temp-19884-MPEG2TS.stf':
Metadata:
JUNK :
encoder : Lavf54.15.102
Stream #0:0: Video: mpeg4 (DX50 / 0x30355844), yuv420p, 672x272 [SAR 1:1 DAR
42:17], q=2-31, 90k tbn, 23.98 tbc
Stream #0:1: Audio: ac3, 44100 Hz, stereo, flt, 112 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (mp3 -> ac3)
Press [q] to stop, [?] for help
[mpegts @ 01916020] first pts value must set
av_interleaved_write_frame(): Invalid data found when processing input

C:\Program Files\Serviio\lib>

[zip]

I meant - try to play the file in Serviio 1.0 - is that still failing? If yes, grab the new ffmpeg command line and try to run that against the FFmpeg from 1.0

When trying to play file PS3 returns error "This file type is not supported"

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Admin>cd c:\program files\serviio\lib

C:\Program Files\Serviio\lib>ffmpeg.exe -fflags +genpts -i D:\Multimedia\Seaworl
d.avi -y -copyts -c:v copy -c:a ac3 -b:a 112k -ac 2 -map 0:0 -map 0:1 -sn -f mpe
gts D:\Temp\Serviio\transcoding-temp-19677-4-ORIGINAL.stf
ffmpeg version N-42368-gbf53863 Copyright (c) 2000-2012 the FFmpeg developers
built on Jul 10 2012 03:40:45 with gcc 4.6.3
configuration: --enable-static --disable-shared --disable-ffplay --disable-ffs
erver --enable-memalign-hack --enable-libmp3lame --enable-librtmp --extra-libs='
-lrtmp -lpolarssl -lws2_32 -lwinmm' --arch=x86 --enable-runtime-cpudetect --enab
le-pthreads --target-os=mingw32 --cross-prefix=i686-w64-mingw32- --pkg-config=pk
g-config
libavutil 51. 64.100 / 51. 64.100
libavcodec 54. 33.100 / 54. 33.100
libavformat 54. 15.102 / 54. 15.102
libavdevice 54. 1.100 / 54. 1.100
libavfilter 3. 1.100 / 3. 1.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
[avi @ 003FD320] non-interleaved AVI
[mpeg4 @ 01908380] Invalid and inefficient vfw-avi packed B frames detected
Input #0, avi, from 'D:\Multimedia\Seaworld.avi':
Metadata:
encoder : AVI-Mux GUI 1.17.7, Aug 8 2006 20:59:17
JUNK :
Duration: 01:56:58.79, start: 0.000000, bitrate: 834 kb/s
Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (DX50 / 0x30355844), yuv
420p, 672x272 [SAR 1:1 DAR 42:17], 23.98 tbr, 23.98 tbn, 23.98 tbc
Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, stereo, s16, 112 kb
/s
[graph 0 input from stream 0:1 @ 003F9EA0] tb:1/44100 samplefmt:s16 samplerate:4
4100 chlayout:0x3
[auto-inserted resampler 0 @ 01907320] chl:stereo fmt:s16 r:44100Hz -> chl:stere
o fmt:flt r:44100Hz
[mpegts @ 01916020] muxrate VBR, pcr every 2 pkts, sdt every 200, pat/pmt every
40 pkts
Output #0, mpegts, to 'D:\Temp\Serviio\transcoding-temp-19677-4-ORIGINAL.stf':
Metadata:
JUNK :
encoder : Lavf54.15.102
Stream #0:0: Video: mpeg4 (DX50 / 0x30355844), yuv420p, 672x272 [SAR 1:1 DAR
42:17], q=2-31, 90k tbn, 23.98 tbc
Stream #0:1: Audio: ac3, 44100 Hz, stereo, flt, 112 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (mp3 -> ac3)
Press [q] to stop, [?] for help
frame= 186 fps=0.0 q=-1.0 size= 410kB time=00:00:07.75 bitrate= 433.3kbits/
frame= 358 fps=0.0 q=-1.0 size= 780kB time=00:00:14.90 bitrate= 428.8kbits/
frame= 536 fps=357 q=-1.0 size= 1144kB time=00:00:22.35 bitrate= 419.3kbits/
frame= 714 fps=357 q=-1.0 size= 1507kB time=00:00:29.73 bitrate= 415.3kbits/
frame= 895 fps=358 q=-1.0 size= 1888kB time=00:00:37.29 bitrate= 414.7kbits/
frame= 1084 fps=361 q=-1.0 size= 2167kB time=00:00:45.20 bitrate= 392.7kbits/
frame= 1272 fps=363 q=-1.0 size= 2453kB time=00:00:53.00 bitrate= 379.2kbits/
frame= 1463 fps=366 q=-1.0 size= 2733kB time=00:01:01.01 bitrate= 366.9kbits/
frame= 1646 fps=366 q=-1.0 size= 3138kB time=00:01:08.64 bitrate= 374.5kbits/
frame= 1830 fps=366 q=-1.0 size= 3561kB time=00:01:16.27 bitrate= 382.5kbits/
frame= 1996 fps=363 q=-1.0 Lsize= 4093kB time=00:01:23.24 bitrate= 402.8kbits
/s


--And then it continues to process each frame for the duration of the video file.


video:2391kB audio:1139kB subtitle:0 global headers:0kB muxing overhead 15.96015
6%

C:\Program Files\Serviio\lib>

[zip]

Ok, that's ok then. It might be due to the video stream being dodgy ([mpeg4 @ 01908380] Invalid and inefficient vfw-avi packed B frames detected), therefore you'd have to transcode the video as well