Can't transcode to MP4

[nickj6282]

Hey all,

I'm having an issue converting a file. I've got a Matroshka video file that plays fine in VLC but I can't transcode it to MP4 for my Xbox 360. When I start the encode, I get this error:

Code: Select all

ffmpeg: cannot open encoder stream_out_transcode: cannot find encoder ((null))

I set encapsulation method to mpeg 4, video to mp4v 2048k, audio to mp4a 128k 2 channels. This is on a fresh install of VLC 0.8.6f on Mac OSX 10.4.11. I have screenshots available if anyone would need to see them.

Does anyone have any ideas?

[Jean-Baptiste Kempf]

More details!!!

What are the complete messages?

[nickj6282]

Hi, thanks for the reply. Here's what I got from the messages window:

Code: Select all

main debug: CPU has capabilities 486 586 MMX MMXEXT SSE SSE2 FPU main debug: looking for memcpy module: 3 candidates main debug: using memcpy module "memcpymmxext" main debug: waiting for thread completion main debug: thread 42913792 (playlist) created at priority -47 (playlist/playlist.c:184) main debug: waiting for thread completion main debug: thread 42906624 (preparser) created at priority -47 (playlist/playlist.c:210) main debug: looking for interface module: 1 candidate main debug: using interface module "hotkeys" main debug: thread 42153984 (interface) created at priority -47 (interface/interface.c:198) main debug: looking for interface module: 3 candidates main debug: using interface module "macosx" main debug: thread 42051072 (manage) created at priority -47 (interface/interface.c:164) main debug: adding playlist item `mymovie.mkv' ( file:///Users/nick/Movies/mymovie.mkv ) main debug: creating new input thread main debug: waiting for thread completion main debug: thread 43450880 (input) created at priority 37 (input/input.c:265) main debug: creating statistics handler main debug: stream=`transcode' main debug: looking for sout stream module: 1 candidate main debug: stream=`std' main debug: looking for sout stream module: 1 candidate main debug: set sout option: sout-standard-access to file main debug: set sout option: sout-standard-mux to mp4 main debug: set sout option: sout-standard-dst to /Users/nick/Desktop/vlc-output.mp4 stream_out_standard debug: creating `file/mp4:///Users/nick/Desktop/vlc-output.mp4' stream_out_standard debug: extension is mp4 stream_out_standard debug: extension -> mux=mp4 stream_out_standard debug: using `file/mp4:///Users/nick/Desktop/vlc-output.mp4' main debug: looking for sout access module: 1 candidate access_output_file debug: file access output opened (`/Users/nick/Desktop/vlc-output.mp4') main debug: using sout access module "access_output_file" stream_out_standard debug: access opened main debug: looking for sout mux module: 1 candidate macosx debug: input has changed, refreshing interface mux_mp4 debug: Mp4 muxer opened main debug: using sout mux module "mux_mp4" stream_out_standard debug: mux opened main debug: using sout stream module "stream_out_standard" main debug: set sout option: sout-transcode-vcodec to mp4v main debug: set sout option: sout-transcode-vb to 2048 main debug: set sout option: sout-transcode-scale to 1 main debug: set sout option: sout-transcode-acodec to mp4a main debug: set sout option: sout-transcode-ab to 128 main debug: set sout option: sout-transcode-channels to 2 stream_out_transcode debug: codec audio=mp4a 0Hz 2 channels 128Kb/s stream_out_transcode debug: codec video=mp4v 0x0 scaling: 1.000000 2048kb/s main debug: using sout stream module "stream_out_transcode" main debug: `file:///Users/nick/Movies/mymovie.mkv' gives access `file' demux `' path `/Users/nick/Movies/mymovie.mkv' main debug: creating demux: access='file' demux='' path='/Users/nick/Movies/mymovie.mkv' main debug: looking for access_demux module: 0 candidates main warning: no access_demux module matched "file" main debug: creating access 'file' path='/Users/nick/Movies/mymovie.mkv' main debug: looking for access2 module: 6 candidates access_file debug: opening file `/Users/nick/Movies/mymovie.mkv' main debug: using access2 module "access_file" main debug: pre-buffering... main debug: received first data for our buffer main debug: pre-buffering done 1408981 bytes in 0s - 26871 kbytes/s main debug: creating demux: access='file' demux='' path='/Users/nick/Movies/mymovie.mkv' main debug: looking for demux2 module: 44 candidates mkv debug: | + Seek head mkv debug: | | | = cues at 1152953284 mkv debug: | + Unknown (N7libebml8EbmlVoidE) mkv debug: | + Information mkv debug: | | + TimecodeScale=1000000 mkv debug: | | + Muxing Application=libebml v0.7.8 + libmatroska v0.8.1 mkv debug: | | + Writing Application=mkvmerge v1.7.0 ('What Do You Take Me For') built on Mar 9 2008 14:06:58 mkv debug: | | + Duration=2578304 mkv debug: | | + Unknown (N11libmatroska10KaxDateUTCE) mkv debug: | | + UID=1549682026 mkv debug: | + Tracks mkv debug: | | + Track Entry mkv debug: | | | + Track Number=1 mkv debug: | | | + Track UID=1 mkv debug: | | | + Track Type=video mkv debug: | | | + Unknown (N11libmatroska19KaxTrackFlagEnabledE) mkv debug: | | | + Track Default=1 mkv debug: | | | + Unknown (N11libmatroska18KaxTrackFlagForcedE) mkv debug: | | | + Track Lacing=0 mkv debug: | | | + Track MinCache=1 mkv debug: | | | + Track TimeCodeScale=1.000000 mkv debug: | | | + Unknown (N11libmatroska21KaxMaxBlockAdditionIDE) mkv debug: | | | + Track CodecId=V_MPEG4/ISO/AVC mkv debug: | | | + Unknown (N11libmatroska17KaxCodecDecodeAllE) mkv debug: | | | + Track CodecPrivate size=39 mkv debug: | | | + Track Default Duration=41708332 mkv debug: | | | + Track Language=`eng' mkv debug: | | | + Track Video mkv debug: | | | | + width=1280 mkv debug: | | | | + height=720 mkv debug: | | | | + Unknown (N11libmatroska22KaxVideoFlagInterlacedE) mkv debug: | | | | + display width=16 mkv debug: | | | | + display height=9 mkv debug: | | + Track Entry mkv debug: | | | + Track Number=2 mkv debug: | | | + Track UID=3219776757 mkv debug: | | | + Track Type=audio mkv debug: | | | + Unknown (N11libmatroska19KaxTrackFlagEnabledE) mkv debug: | | | + Track Default=1 mkv debug: | | | + Unknown (N11libmatroska18KaxTrackFlagForcedE) mkv debug: | | | + Track Lacing=1 mkv debug: | | | + Track MinCache=0 mkv debug: | | | + Track TimeCodeScale=1.000000 mkv debug: | | | + Unknown (N11libmatroska21KaxMaxBlockAdditionIDE) mkv debug: | | | + Track CodecId=A_AC3 mkv debug: | | | + Unknown (N11libmatroska17KaxCodecDecodeAllE) mkv debug: | | | + Track Default Duration=32000000 mkv debug: | | | + Track Language=`und' mkv debug: | | | + Track Audio mkv debug: | | | | + afreq=48000 mkv debug: | | | | + achan=6 mkv debug: | + Unknown (N7libebml8EbmlVoidE) mkv debug: | + Cluster mkv warning: cannot find any cluster, damaged file ? mkv debug: loading cues mkv debug: loading cues done. mkv debug: found 2 es main debug: selecting program id=0 mkv debug: Starting the UI Hook main debug: thread 44169728 (mkv event thread handler) created at priority -47 (mkv.cpp:2523) main debug: using demux2 module "mkv" main debug: looking for a subtitle file in /Users/nick/Movies/ main debug: looking for packetizer module: 17 candidates packetizer_h264 debug: found NAL_SPS packetizer_h264 debug: found NAL_PPS packetizer_h264 debug: avcC length size=4, sps=1, pps=1 main debug: using packetizer module "packetizer_h264" main debug: stream out mode -> no decoder thread main debug: looking for packetizer module: 17 candidates main debug: using packetizer module "a52" main debug: stream out mode -> no decoder thread main debug: starting in async mode main debug: `file:///Users/nick/Movies/mymovie.mkv' successfully opened main debug: adding a new input stream_out_transcode debug: creating video transcoding from fcc=`h264' to fcc=`mp4v' main debug: looking for decoder module: 25 candidates ffmpeg debug: libavcodec initialized (interface 3349504 ) ffmpeg debug: postprocessing disabled ffmpeg debug: ffmpeg codec (h264) started main debug: using decoder module "ffmpeg" main debug: looking for encoder module: 8 candidates ffmpeg debug: libavcodec already initialized ffmpeg debug: found encoder MPEG-4 Video main debug: using encoder module "ffmpeg" main debug: removing module "ffmpeg" main warning: trying to send non-dated packet to stream output! stream_out_transcode debug: decoder aspect is 768000:432000 stream_out_transcode debug: source pixel aspect is 1.000000:1 stream_out_transcode debug: scaled pixel aspect is 1.000000:1 stream_out_transcode debug: source 1280x720, crop 1280x720, destination 1280x720, padding 1280x720 stream_out_transcode debug: encoder aspect is 768000:432000 main debug: looking for encoder module: 8 candidates ffmpeg debug: libavcodec already initialized ffmpeg warning: timebase not supported by mpeg 4 standard (mpeg4@0x2a3be10) ffmpeg error: cannot open encoder stream_out_transcode error: cannot find encoder ((null)) ffmpeg debug: ffmpeg codec (h264) stopped main debug: removing module "ffmpeg" a52: A/52 channels:6 samplerate:48000 bitrate:384000 main debug: adding a new input stream_out_transcode debug: creating audio transcoding from fcc=`a52 ' to fcc=`mp4a' main debug: looking for decoder module: 25 candidates main debug: using decoder module "a52" main debug: looking for encoder module: 8 candidates ffmpeg debug: libavcodec already initialized ffmpeg debug: found encoder MPEG AAC Audio main debug: using encoder module "ffmpeg" main debug: looking for audio filter2 module: 5 candidates main debug: using audio filter2 module "a52tofloat32" main debug: looking for audio filter2 module: 5 candidates audio_format debug: fl32->s16l, bits per sample: 32 main debug: using audio filter2 module "audio_format" main debug: adding a new input mux_mp4 debug: adding input a52: A/52 channels:6 samplerate:48000 bitrate:384000

If you need the CrashLog I can zip it up and post it somewhere as well. Thanks for your help!

[johansyd]

Use MpegStreamClip:

http://www.squared5.com/

[nickj6282]

Johansyd,

Thanks for the input. I tried MpegStreamClip and it doesn't recognize the input format. It won't open the .mkv file.

Does anyone have any other ideas? I tried doing the same thing in both Windows and Linux but I either get an audio-only file or I get nothing. Not even an error message.