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ALSA: compress: Add support to send codec specific data

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Codec specific  metadata is sent only for first stream in gapless
playback. This causes incorrect configuration to be set for second
stream and distortions are observed due to framedrops in adsp.
Add support to send codec specific format during start of
next stream in gapless using set_next_track_param.

Change-Id: Ic0a9286c4fd8d17df63d676d6ce14cd394dea791
Signed-off-by: Chaithanya Krishna Bacharaju <[email protected]>
Signed-off-by: Alexy Joseph <[email protected]>
Signed-off-by: Banajit Goswami <[email protected]>
Signed-off-by: Meng Wang <[email protected]>
This commit is contained in:
Meng Wang 2019-12-06 09:48:09 +08:00
commit 7913e574a9
4 changed files with 68 additions and 0 deletions
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4
Documentation/sound/designs/compress-offload.rst
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@ -183,6 +183,10 @@ partial drain
EOF is reached and now DSP can start skipping padding delay. Also next write
data would belong to next track
- set_next_track_param
This routine is called to send to DSP codec specific data of subsequent track
in gapless before first write.
Sequence flow for gapless would be:
- Open
- Get caps / codec caps