Bug#740421: mpv: Really slow to start playing audio stream

[Alessandro Ghedini]

Control: tags -1 fixed-upstream -patch

On sab, mar 01, 2014 at 01:38:46 +0100, Kurt Roeckx wrote:
> Package: mpv
> Version: 0.3.5-1
> 
> Hi,
> 
> When using mpv to play an audio stream I get:
> $ mpv http://mp3.streampower.be/radio1.aac
> Playing: http://mp3.streampower.be/radio1.aac
> [cache] Cache size set to 320 KiB
> Cache fill: 20.62% (67584 bytes)   
> [cache] Cache is not responding - slow/stuck network connection?
> [cache] Cache keeps not responding.
> [cache] Cache is not responding - slow/stuck network connection?
> [cache] Cache keeps not responding.
> [cache] Cache is not responding - slow/stuck network connection?
> [cache] Cache is not responding - slow/stuck network connection?
> [libav/audio] aac: get_buffer() failed
> [libav/demuxer] aac: max_analyze_duration reached
> [libav/demuxer] aac: Estimating duration from bitrate, this may be inaccurate
> Detected file format: raw ADTS AAC (Advanced Audio Coding) (libavformat)
> File is not seekable, but there's a cache: enabling seeking.
> [stream] Audio (+) --aid=1 (aac)
> Video: no video
> [libav/audio] aac: invalid band type
> Selected audio codec: AAC (Advanced Audio Coding) [lavc:aac]
> AO: [alsa] 48000Hz stereo 2ch floatp
> A: 00:01:03 / 00:00:00 (0%) Cache: 47%
> 
> It gets to this "Cache fill: 20.62% (67584 bytes)" fast, and then
> stalls and starts to show thise cache lines.  Then after some time
> it plays audio for like 0.2 seconds or something, then it starts
> showing the "A: " line and cache is filling for a while, and then
> after some time it starts to play, with a huge delay between when
> it's send and when I hear it.

This has now been fixed in libav.git (commit [0]).

> (It also shows the stream info, which mpv doesn't)

Same. See #739936.

Cheers

[0] http://git.libav.org/?p=libav.git;a=commit;h=e58c85b0686892960042232e51c77168b264838a

-- 
perl -E '$_=q;$/= @{[@_]};and s;\S+;<inidehG ordnasselA>;eg;say~~reverse'
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