## TpBaseMediaCallChannel

TpBaseMediaCallChannel — base class for TpSvcChannelTypeCall RTP media implementations

## Functions

void | ( *TpBaseMediaCallChannelHoldStateChangedFunc ) ()
void | ( *TpBaseMediaCallChannelVoidFunc ) ()
TpLocalHoldState | tp_base_media_call_channel_get_local_hold_state ()

## Types and Values

struct | TpBaseMediaCallChannel
struct | TpBaseMediaCallChannelClass

## Object Hierarchy

        GObject
        ╰── TpBaseChannel
            ╰── TpBaseCallChannel
                ╰── TpBaseMediaCallChannel

## Implemented Interfaces

TpBaseMediaCallChannel implements TpSvcDBusProperties, TpSvcChannel, TpChannelIface, TpExportableChannel, TpSvcChannelTypeCall, TpSvcChannelInterfaceDTMF and TpSvcChannelInterfaceHold.

## Includes

    #include <telepathy-glib/telepathy-glib.h>

## Description

This is a base class for connection managers that use standard RTP media.

## Functions

### TpBaseMediaCallChannelHoldStateChangedFunc ()

    void
    (*TpBaseMediaCallChannelHoldStateChangedFunc)
                                   (TpBaseMediaCallChannel *self,
                                    TpLocalHoldState hold_state,
                                    TpLocalHoldStateReason hold_state_reason);

Signature of an implementation of TpBaseMediaCallChannelClass.hold_state_changed.

#### Parameters

self | a TpBaseMediaCallChannel |
hold_state | the new TpLocalHoldState |
hold_state_reason | the TpLocalHoldStateReason for this change |

Since 0.17.5

### TpBaseMediaCallChannelVoidFunc ()

    void
    (*TpBaseMediaCallChannelVoidFunc) (TpBaseMediaCallChannel *self);

Signature of an implementation of TpBaseMediaCallChannelClass.accept.

#### Parameters

self | a TpBaseMediaCallChannel |

Since 0.17.5

### tp_base_media_call_channel_get_local_hold_state ()

    TpLocalHoldState
    tp_base_media_call_channel_get_local_hold_state
                                   (TpBaseMediaCallChannel *channel,
                                    TpLocalHoldStateReason *reason);

#### Parameters

channel | a TpBaseMediaCallChannel |
reason | pointer to a location where to store the `reason` , or `NULL` |

#### Returns

The current hold state

Since 0.17.6

## Types and Values

### struct TpBaseMediaCallChannel

    struct TpBaseMediaCallChannel;

A base class for call channel implementations with standard RTP

Since 0.17.5

### struct TpBaseMediaCallChannelClass

    struct TpBaseMediaCallChannelClass {
      TpBaseMediaCallChannelHoldStateChangedFunc hold_state_changed;
      TpBaseMediaCallChannelVoidFunc accept;
    };

The class structure for TpBaseMediaCallChannel

#### Members

TpBaseMediaCallChannelHoldStateChangedFunc `hold_state_changed`; | optional; virtual method called when the hold state changed |
TpBaseMediaCallChannelVoidFunc `accept`; | optional; virtual method called when the call is locally accepted and contents are ready. This replaces TpBaseCallChannelClass.accept. |

Since 0.17.5

## See Also

TpBaseCallChannel, TpBaseMediaCallContent, TpBaseMediaCallStream