Hi Lucas,
On Mon, Oct 17, 2011 at 11:34 PM, Lucas De Marchi
<lucas.demarchi@xxxxxxxxxxxxxx> wrote:
> ---
> audio/avrcp.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 55 insertions(+), 0 deletions(-)
>
> diff --git a/audio/avrcp.c b/audio/avrcp.c
> index 5f8277c..585b095 100644
> --- a/audio/avrcp.c
> +++ b/audio/avrcp.c
> @@ -77,6 +77,7 @@
> #define AVRCP_GET_ELEMENT_ATTRIBUTES 0x20
> #define AVRCP_GET_PLAY_STATUS 0x30
> #define AVRCP_REGISTER_NOTIFICATION 0x31
> +#define AVRCP_ABORT_CONTINUING 0x41
>
> /* Capabilities for AVRCP_GET_CAPABILITIES pdu */
> #define CAP_COMPANY_ID 0x02
> @@ -129,6 +130,12 @@ struct avrcp_server {
> struct avrcp_player *active_player;
> };
>
> +struct pending_pdu {
> + uint8_t pdu_id;
> + GList *attr_ids;
> + uint16_t offset;
> +};
> +
> struct avrcp_player {
> struct avrcp_server *server;
> struct avctp *session;
> @@ -137,6 +144,7 @@ struct avrcp_player {
> unsigned int handler;
> uint16_t registered_events;
> uint8_t transaction_events[AVRCP_EVENT_LAST + 1];
> + struct pending_pdu *pending_pdu;
>
> struct avrcp_player_cb *cb;
> void *user_data;
> @@ -462,6 +470,18 @@ done:
> return sizeof(struct media_info_elem) + len;
> }
>
> +static gboolean player_abort_pending_pdu(struct avrcp_player *player)
> +{
> + if (player->pending_pdu == NULL)
> + return FALSE;
> +
> + g_list_free(player->pending_pdu->attr_ids);
> + g_free(player->pending_pdu);
> + player->pending_pdu = NULL;
> +
> + return TRUE;
> +}
> +
> static int player_set_attribute(struct avrcp_player *player,
> uint8_t attr, uint8_t val)
> {
> @@ -872,6 +892,33 @@ err:
> return AVC_CTYPE_REJECTED;
> }
>
> +static uint8_t avrcp_handle_abort_continuing(struct avrcp_player *player,
> + struct avrcp_header *pdu,
> + uint8_t transaction)
> +{
> + uint16_t len = ntohs(pdu->params_len);
> + struct pending_pdu *pending;
> +
> + if (len != 1 || player->pending_pdu == NULL)
> + goto err;
> +
> + pending = player->pending_pdu;
> +
> + if (pending->pdu_id != pdu->params[0])
> + goto err;
> +
> + player_abort_pending_pdu(player);
> + pdu->params_len = 0;
> +
> + return AVC_CTYPE_STABLE;
> +
> +err:
> + pdu->params_len = htons(1);
> + pdu->params[0] = E_INVALID_PARAM;
> + return AVC_CTYPE_REJECTED;
> +}
> +
> +
> static struct pdu_handler {
> uint8_t pdu_id;
> uint8_t code;
> @@ -903,6 +950,8 @@ static struct pdu_handler {
> avrcp_handle_get_play_status },
> { AVRCP_REGISTER_NOTIFICATION, AVC_CTYPE_NOTIFY,
> avrcp_handle_register_notification },
> + { AVRCP_ABORT_CONTINUING, AVC_CTYPE_CONTROL,
> + avrcp_handle_abort_continuing },
> { },
> };
>
> @@ -950,6 +999,10 @@ static size_t handle_vendordep_pdu(struct avctp *session, uint8_t transaction,
>
> *code = handler->func(player, pdu, transaction);
>
> + if (*code != AVC_CTYPE_REJECTED &&
> + pdu->pdu_id != AVRCP_ABORT_CONTINUING)
> + player_abort_pending_pdu(player);
> +
> return AVRCP_HEADER_LENGTH + ntohs(pdu->params_len);
>
> err_metadata:
> @@ -1103,6 +1156,8 @@ static void player_destroy(gpointer data)
> if (player->destroy)
> player->destroy(player->user_data);
>
> + player_abort_pending_pdu(player);
> +
> if (player->handler)
> avctp_unregister_pdu_handler(player->handler);
>
> --
> 1.7.7
>
> --
Ack.
--
Luiz Augusto von Dentz
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