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walt <w41ter@×××××.com> writes: |
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> On 07/11/2010 07:42 PM, Allan Gottlieb wrote: |
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> |
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>> ajglap video # file Game_Theory_Lect_20_s.* |
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>> Game_Theory_Lect_20_s.avi: RIFF (little-endian) data, AVI, 320 x 240, ~30 fps, video: FFMpeg MPEG-4, audio: MPEG-1 Layer 1 or 2 (stereo, 44100 Hz) |
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> |
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> Okay, the above is the avi file you made by using ffmpeg to conver the m4v |
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> file below, right? |
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Correct. |
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>> Game_Theory_Lect_20_s.m4v: ISO Media, MPEG v4 system, iTunes AVC-LC |
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> |
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> I had no idea what the ISO Media format is, so I read about it here: |
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> |
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> http://en.wikipedia.org/wiki/ISO_base_media_file_format |
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> |
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> Now I know almost as much as I knew before :p |
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> |
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> This excerpt seems significant to me, however: "ISO base media file format |
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> is directly based on Apple’s QuickTime container format". That makes sense |
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> because iTunes is mentioned in the same breath as ISO Media. |
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> |
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> My theory is that Steve Jobs is now riding high and wants to displace M$ |
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> as the 800-pound-standards-dictating gorilla. |
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> |
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> Apple has always been smarter than M$, so I'd rather see Apple dictating |
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> standards, but dictators are still dictators, and Jobs is as ferociously |
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> closed-shop as Gates and Ballmer ever were. (When is google going to |
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> publish an extensible open-source multimedia format? Android almost forces |
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> them to do it, IMHO.) |
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> |
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>> What does totem say when you play your m4v file? |
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>> |
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>> gottlieb@ajglap /a/video $ totem Game_Theory_Lect_20_s.m4v |
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>> bt_audio_service_open: connect() failed: Connection refused (111) |
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> |
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> I haven't a clue what that means, unless maybe any multimedia file |
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> from iTunes wants to authenticate with an iTunes server before the |
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> file can be played? I have no idea. |
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> |
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> Anyone else? |
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This file is a freebee lecture from the teaching company (I buy many of |
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their lectures, but only the audio versions, which are straight mp3). |
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I think the msg is |
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1. You can play some m4v's. |
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2. This particular m4v involves iTunes (I assume other m4v's, in |
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particular the ones you can watch with totem) do not involve iTunes. |
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totem can't play it but ffmpeg can convert it (poorly). |
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Perhaps when the heat spell is over and I can justify putting on the AC |
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in my NYU office, I will re-power-on the desktop there, and put the files on |
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the internet. Then I could send a bug to bugs.gentoo.org. |
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thanks again for your help. |
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allan |
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