[PATCH v4 35/41] bluetooth: Process source messages for BlueZ 5 cards

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On Sat, Sep 21, 2013 at 11:43 AM, Tanu Kaskinen
<tanu.kaskinen at linux.intel.com> wrote:
> On Wed, 2013-09-18 at 16:17 -0500, jprvita at gmail.com wrote:
>> From: Jo?o Paulo Rechi Vita <jprvita at openbossa.org>
>>
>> ---
>>  src/modules/bluetooth/module-bluez5-device.c | 77 ++++++++++++++++++++++++++++
>>  1 file changed, 77 insertions(+)
>>
>> diff --git a/src/modules/bluetooth/module-bluez5-device.c b/src/modules/bluetooth/module-bluez5-device.c
>> index 31088b7..d9e1fc6 100644
>> --- a/src/modules/bluetooth/module-bluez5-device.c
>> +++ b/src/modules/bluetooth/module-bluez5-device.c
>> @@ -660,6 +660,82 @@ static void setup_stream(struct userdata *u) {
>>          u->read_smoother = pa_smoother_new(PA_USEC_PER_SEC, 2*PA_USEC_PER_SEC, true, true, 10, pa_rtclock_now(), true);
>>  }
>>
>> +/* Run from IO thread */
>> +static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
>> +    struct userdata *u = PA_SOURCE(o)->userdata;
>> +    bool failed = false;
>> +    int r;
>> +
>> +    pa_assert(u->source == PA_SOURCE(o));
>> +    pa_assert(u->transport);
>> +
>> +    switch (code) {
>> +
>> +        case PA_SOURCE_MESSAGE_SET_STATE:
>> +
>> +            switch ((pa_source_state_t) PA_PTR_TO_UINT(data)) {
>> +
>> +                case PA_SOURCE_SUSPENDED:
>> +                    /* Ignore if transition is PA_SOURCE_INIT->PA_SOURCE_SUSPENDED */
>> +                    if (!PA_SOURCE_IS_OPENED(u->source->thread_info.state))
>> +                        break;
>> +
>> +                    /* Stop the device if the sink is suspended as well */
>> +                    if (!u->sink || u->sink->state == PA_SINK_SUSPENDED)
>> +                        transport_release(u);
>> +
>> +                    if (u->read_smoother)
>> +                        pa_smoother_pause(u->read_smoother, pa_rtclock_now());
>> +
>> +                    break;
>> +
>> +                case PA_SOURCE_IDLE:
>> +                case PA_SOURCE_RUNNING:
>> +                    if (u->source->thread_info.state != PA_SOURCE_SUSPENDED)
>> +                        break;
>> +
>> +                    /* Resume the device if the sink was suspended as well */
>> +                    if (!u->sink || !PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
>> +                        if (transport_acquire(u, false) < 0)
>> +                            failed = true;
>> +                        else
>> +                            setup_stream(u);
>> +                    }
>> +
>> +                    /* We don't resume the smoother here. Instead we
>> +                     * wait until the first packet arrives */
>> +
>> +                    break;
>> +
>> +                case PA_SOURCE_UNLINKED:
>> +                case PA_SOURCE_INIT:
>> +                case PA_SOURCE_INVALID_STATE:
>> +                    break;
>> +            }
>> +
>> +            break;
>> +
>> +        case PA_SOURCE_MESSAGE_GET_LATENCY: {
>> +            pa_usec_t wi, ri;
>> +
>> +            if (u->read_smoother) {
>> +                wi = pa_smoother_get(u->read_smoother, pa_rtclock_now());
>> +                ri = pa_bytes_to_usec(u->read_index, &u->sample_spec);
>> +
>> +                *((pa_usec_t*) data) = FIXED_LATENCY_PLAYBACK_A2DP + wi - ri > 0 ? FIXED_LATENCY_PLAYBACK_A2DP + wi - ri : 0;
>
> The same complaint as with the sink: the comparison to 0 doesn't work.
> Also, the constant should be FIXED_LATENCY_RECORD_A2DP, not
> FIXED_LATENCY_PLAYBACK_A2DP.
>

Ok

-- 
Jo?o Paulo Rechi Vita
http://about.me/jprvita


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