diff options
| author | Johan Hedberg <johan.hedberg@nokia.com> | 2007-11-22 15:30:59 +0000 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@nokia.com> | 2007-11-22 15:30:59 +0000 |
| commit | db90b606bb8b3ecd2a84a97a4a557ab026287d54 (patch) | |
| tree | 549db4d7e2bc56c22a6409475d5b40e245fffd87 /audio/pcm_bluetooth.c | |
| parent | d00d4028e7a30da863489e822935ef6d7dc91242 (diff) | |
Support multiple periods
Diffstat (limited to 'audio/pcm_bluetooth.c')
| -rw-r--r-- | audio/pcm_bluetooth.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/audio/pcm_bluetooth.c b/audio/pcm_bluetooth.c index 7192f4f3..815ddd23 100644 --- a/audio/pcm_bluetooth.c +++ b/audio/pcm_bluetooth.c @@ -996,7 +996,9 @@ static int bluetooth_a2dp_hw_constraint(snd_pcm_ioplug_t *io) unsigned int rate_count; int err, min_channels, max_channels; unsigned int period_list[] = { - 4096, /* 23/46ms (stereo/mono 16bit at 44.1kHz) */ + 2048, + 4096, /* e.g. 23.2msec/period (stereo 16bit at 44.1kHz) */ + 8192 }; /* access type */ @@ -1027,15 +1029,16 @@ static int bluetooth_a2dp_hw_constraint(snd_pcm_ioplug_t *io) if (err < 0) return err; - /* supported block sizes: */ - err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_PERIOD_BYTES, - ARRAY_NELEMS(period_list), period_list); + /* supported buffer sizes + * (can be used as 3*8192, 6*4096, 12*2048, ...) */ + err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_BUFFER_BYTES, + 8192*3, 8192*3); if (err < 0) return err; - /* period count fixed to 3 as we don't support prefilling */ - err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_PERIODS, - 3, 3); + /* supported block sizes: */ + err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_PERIOD_BYTES, + ARRAY_NELEMS(period_list), period_list); if (err < 0) return err; @@ -1062,7 +1065,7 @@ static int bluetooth_a2dp_hw_constraint(snd_pcm_ioplug_t *io) } err = snd_pcm_ioplug_set_param_list(io, SND_PCM_IOPLUG_HW_RATE, - rate_count, rate_list); + rate_count, rate_list); if (err < 0) return err; |