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SqueezePlay Audio Playback

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SqueezePlay is being extended to include audio playback, and will include the same features that are available on the Squeezebox products. This will be a replacement for the SoftSqueeze and squeezeslave desktop players.

The following feature matrix shows the capabilities for the various players.

Squeezebox SqueezePlay SoftSqueeze SqueezeSlave
Platforms
Ubicom ip3k Yes
SqueezeOS arm Yes
Windows XP Yes Yes Yes
Windows Vista TODO Yes Yes
OS X Intel Yes Yes Yes
OS X PowerPC TODO Yes Yes
Linux Intel Yes Yes Yes
Linux PowerPC Yes Yes Yes
Solaris Intel No Yes Yes
Solaris SPARC No Yes Yes
Audio features
Buffer sample size 24 32 16 16
Gain control Yes TODO Yes Yes
Gain control (ramp) TODO TODO
Replay gain Yes Yes Yes Yes
Crossfade Crossfade Yes Yes No
Fade in Yes TODO
Fade out Yes TODO
Fade in & out Yes TODO
Resampling 8 kHz Yes NEEDED?
11.025 kHz Yes NEEDED?
12 kHz Yes NEEDED?
16 kHz Yes NEEDED?
22 kHz Yes NEEDED?
24 kHz Yes NEEDED?
32 kHz Yes NEEDED?
88.2 kHz Yes NEEDED?
Fixed Digital Outputs Yes NEEDED?
Preamp Volume Control Yes
Synchronization
Decode buffer threshold Yes Yes Yes Yes (no STMl)
Output buffer threshold TODO TODO TODO Partial
Resume at Yes TODO Yes No
Pause for Yes TODO Yes Yes
Skip ahead Yes TODO Yes No
Elapsed ms Yes Yes Yes Yes
Audio delay N/A TODO  ? Yes
Direct Streaming No
Slimproto BODY Yes TODO Yes
Slimproto CONT Yes TODO Yes
Shoutcast meta data Yes TODO Yes
Asf meta data Yes TODO
Direct HTTP
Slimproto HTTP Yes TODO Yes?
Visualizers
Digital VU Meter Yes TODO Yes
Analogue VU Meter Yes TODO Yes
Spectrum Analyzer Yes TODO Yes
Status
Slimproto status CONNECT Yes  ?  ?  ?
ESTABLISH Yes  ?  ? Yes
ENDOFHEADERS Yes  ?  ? No
AUTOSTART Yes  ?  ? Yes
TIMER Yes  ?  ?  ?
UNDERRUN Yes  ?  ? Yes
CLOSE Yes  ?  ? Yes
PAUSE Yes  ?  ? Yes
UNPAUSE Yes  ?  ? Yes
FULL Yes  ?  ?  ?
DECODER_UNDERRUN Yes  ?  ? Yes
TRACK_STARTED Yes  ?  ? Yes
NOT_SUPPORTED Yes  ?  ? Yes
OUTPUT_UNDERRUN Yes  ?  ? Partial
WAV/AIFF
Sample Freq 8 kHz Yes Yes
11.025 kHz Yes Yes
12 kHz Yes Yes
16 kHz Yes Yes
22 kHz Yes Yes
24 kHz Yes Yes
32 kHz Yes Yes
44.1 kHz Yes Yes Yes Yes
48 kHz Yes Yes
88.2 kHz TR Only Yes
96 kHz TR Only Yes
Sample Size 8 bit Yes Yes  ?  ?
16 bit Yes Yes Yes Yes
24 bit Yes Yes  ?  ?
32 bit (24 bit playback) Yes Yes  ?  ?
Stereo / Mono Yes Yes Yes Yes
Gapless Playback Yes Yes Yes Yes
MP3
Sample Freq 8 kHz (MPEG 2.5) Yes Yes  ?
11.025 kHz (MPEG 2.5) Yes Yes  ?
12 kHz (MPEG 2.5) Yes Yes  ?
16 kHz (MPEG 2.5) Yes Yes  ?
22 kHz (MPEG 2.5) Yes Yes  ?
24 kHz (MPEG 2.5) Yes Yes  ?
32 kHz Yes Yes  ?
44.1 kHz Yes Yes Yes Yes
48 kHz Yes Yes
Stereo / Mono Yes Yes Yes Yes
Lame Gapless Header Yes Yes
Rhapsody Direct (192k MP3) Yes TODO
FLAC
Sample Freq 8 kHz Yes Yes
11.025 kHz Yes Yes
12 kHz Yes Yes
16 kHz Yes Yes
22 kHz Yes Yes
24 kHz Yes Yes
32 kHz Yes Yes
44.1 kHz Yes Yes Yes Yes
48 kHz Yes Yes
88.2 kHz TR Only Yes
96 kHz TR Only Yes
Stereo / Mono Yes Yes Yes Yes
Gapless Playback Yes Yes Yes Yes
Ogg
Sample Freq  ?  ?
Stereo / Mono Yes
Gapless Playback Yes
WMA
Sample Freq  ? TODO
Stereo / Mono Yes TODO
Voice Codec Yes TODO
 ???
Apple Lossless
Sample Freq TODO
Stereo / Mono TODO
Gapless Playback TODO