Hi Frédéric,
2011/8/22 Frédéric Dalleau <frederic.dalleau@xxxxxxxxxxxxxxx>:
> ---
> audio/gateway.c | 38 ++++++++++++++++++++++++++++++++++++++
> audio/gateway.h | 8 ++++++++
> 2 files changed, 46 insertions(+), 0 deletions(-)
>
> diff --git a/audio/gateway.c b/audio/gateway.c
> index d41bbc3..e1db84b 100644
> --- a/audio/gateway.c
> +++ b/audio/gateway.c
> @@ -70,6 +70,7 @@ struct gateway {
> struct hf_agent *agent;
> DBusMessage *msg;
> int version;
> + gateway_lock_t lock;
> };
>
> struct gateway_state_callback {
> @@ -875,3 +876,40 @@ gboolean gateway_remove_state_cb(unsigned int id)
>
> return FALSE;
> }
> +
> +gateway_lock_t gateway_get_lock(struct audio_device *dev)
> +{
> + struct gateway *gw = dev->gateway;
> +
> + return gw->lock;
> +}
> +
> +gboolean gateway_lock(struct audio_device *dev, gateway_lock_t lock)
> +{
> + struct gateway *gw = dev->gateway;
> +
> + if (gw->lock & lock)
> + return FALSE;
> +
> + gw->lock |= lock;
> +
> + return TRUE;
> +}
> +
> +gboolean gateway_unlock(struct audio_device *dev, gateway_lock_t lock)
> +{
> + struct gateway *gw = dev->gateway;
> +
> + if (!(gw->lock & lock))
> + return FALSE;
> +
> + gw->lock &= ~lock;
> +
> + if (gw->lock)
> + return TRUE;
> +
> + if (gw->state == GATEWAY_STATE_PLAYING)
> + gateway_suspend_stream(dev);
> +
> + return TRUE;
> +}
> diff --git a/audio/gateway.h b/audio/gateway.h
> index 32b5d6d..2dca32a 100644
> --- a/audio/gateway.h
> +++ b/audio/gateway.h
> @@ -33,6 +33,11 @@ typedef enum {
> GATEWAY_STATE_PLAYING,
> } gateway_state_t;
>
> +typedef enum {
> + GATEWAY_LOCK_READ = 1,
> + GATEWAY_LOCK_WRITE = 1 << 1,
> +} gateway_lock_t;
> +
> typedef void (*gateway_state_cb) (struct audio_device *dev,
> gateway_state_t old_state,
> gateway_state_t new_state,
> @@ -56,3 +61,6 @@ int gateway_get_sco_fd(struct audio_device *dev);
> void gateway_suspend_stream(struct audio_device *dev);
> unsigned int gateway_add_state_cb(gateway_state_cb cb, void *user_data);
> gboolean gateway_remove_state_cb(unsigned int id);
> +gateway_lock_t gateway_get_lock(struct audio_device *dev);
> +gboolean gateway_lock(struct audio_device *dev, gateway_lock_t lock);
> +gboolean gateway_unlock(struct audio_device *dev, gateway_lock_t lock);
> --
> 1.7.1
>
> --
Ack
--
Luiz Augusto von Dentz
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