/*
|
* Copyright (c) 2010-2019 Belledonne Communications SARL.
|
*
|
* This file is part of Liblinphone.
|
*
|
* This program is free software: you can redistribute it and/or modify
|
* it under the terms of the GNU General Public License as published by
|
* the Free Software Foundation, either version 3 of the License, or
|
* (at your option) any later version.
|
*
|
* This program is distributed in the hope that it will be useful,
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
* GNU General Public License for more details.
|
*
|
* You should have received a copy of the GNU General Public License
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
*/
|
|
#ifndef LINPHONE_PAYLOAD_TYPE_H_
|
#define LINPHONE_PAYLOAD_TYPE_H_
|
|
#include "linphone/types.h"
|
|
/**
|
* @addtogroup media_parameters
|
* @{
|
**/
|
|
|
#ifdef __cplusplus
|
extern "C" {
|
#endif
|
|
/**
|
* Take a reference on a #LinphonePayloadType.
|
*/
|
LINPHONE_PUBLIC LinphonePayloadType *linphone_payload_type_ref(LinphonePayloadType *pt);
|
|
/**
|
* Release a reference on a #LinphonePayloadType.
|
*/
|
LINPHONE_PUBLIC void linphone_payload_type_unref(LinphonePayloadType *pt);
|
|
/**
|
* Get the type of a payload type.
|
* @param[in] pt The payload type.
|
* @return The type of the payload e.g. PAYLOAD_AUDIO_CONTINUOUS or PAYLOAD_VIDEO.
|
*/
|
LINPHONE_PUBLIC int linphone_payload_type_get_type(const LinphonePayloadType *pt);
|
|
/**
|
* Enable/disable a payload type.
|
* @param[in] pt The payload type to enable/disable.
|
* @param[in] enabled Set TRUE for enabling and FALSE for disabling.
|
* @return 0 for success, -1 for failure.
|
*/
|
LINPHONE_PUBLIC int linphone_payload_type_enable(LinphonePayloadType *pt, bool_t enabled);
|
|
/**
|
* Check whether a palyoad type is enabled.
|
* @return TRUE if enabled, FALSE if disabled.
|
*/
|
LINPHONE_PUBLIC bool_t linphone_payload_type_enabled(const LinphonePayloadType *pt);
|
|
/**
|
* Return a string describing a payload type. The format of the string is
|
* <mime_type>/<clock_rate>/<channels>.
|
* @param[in] pt The payload type.
|
* @return The description of the payload type. Must be release after use.
|
*/
|
LINPHONE_PUBLIC char *linphone_payload_type_get_description(const LinphonePayloadType *pt);
|
|
/**
|
* Get a description of the encoder used to provide a payload type.
|
* @param[in] pt The payload type.
|
* @return The description of the encoder. Can be NULL if the payload type is not supported by Mediastreamer2.
|
*/
|
LINPHONE_PUBLIC const char *linphone_payload_type_get_encoder_description(const LinphonePayloadType *pt);
|
|
/**
|
* Get the normal bitrate in bits/s.
|
* @param[in] pt The payload type.
|
* @return The normal bitrate in bits/s or -1 if an error has occured.
|
*/
|
LINPHONE_PUBLIC int linphone_payload_type_get_normal_bitrate(const LinphonePayloadType *pt);
|
|
/**
|
* Change the normal bitrate of a payload type..
|
* @param[in] pt The payload type to change.
|
* @param[in] bitrate The new bitrate in bits/s.
|
*/
|
LINPHONE_PUBLIC void linphone_payload_type_set_normal_bitrate(LinphonePayloadType *pt, int bitrate);
|
|
/**
|
* Get the mime type.
|
* @param[in] pt The payload type.
|
* @return The mime type.
|
*/
|
LINPHONE_PUBLIC const char * linphone_payload_type_get_mime_type(const LinphonePayloadType *pt);
|
|
/**
|
* Get the number of channels.
|
* @param[in] pt The payload type.
|
* @return The number of channels.
|
*/
|
LINPHONE_PUBLIC int linphone_payload_type_get_channels(const LinphonePayloadType *pt);
|
|
/**
|
* Returns the payload type number assigned for this codec.
|
* @param[in] pt The payload type.
|
* @return The number of the payload type.
|
**/
|
LINPHONE_PUBLIC int linphone_payload_type_get_number(const LinphonePayloadType *pt);
|
|
/**
|
* Force a number for a payload type. The #LinphoneCore does payload type number assignment automatically.
|
* This function is mainly to be used for tests, in order to override the automatic assignment mechanism.
|
* @param[in] pt The payload type.
|
* @param[in] number The number to assign to the payload type.
|
**/
|
LINPHONE_PUBLIC void linphone_payload_type_set_number(LinphonePayloadType *pt, int number);
|
|
/**
|
* Get the format parameters for incoming streams.
|
* @param[in] pt The payload type.
|
* @return The format parameters as string.
|
*/
|
LINPHONE_PUBLIC const char *linphone_payload_type_get_recv_fmtp(const LinphonePayloadType *pt);
|
|
/**
|
* Set the format parameters for incoming streams.
|
* @param[in] pt The payload type.
|
* @param[in] recv_fmtp The new format parameters as string. The string will be copied.
|
*/
|
LINPHONE_PUBLIC void linphone_payload_type_set_recv_fmtp(LinphonePayloadType *pt, const char *recv_fmtp);
|
|
/**
|
* Get the format parameters for outgoing streams.
|
* @param[in] pt The payload type.
|
* @return The format parameters as string.
|
*/
|
LINPHONE_PUBLIC const char *linphone_payload_type_get_send_fmtp(const LinphonePayloadType *pt);
|
|
/**
|
* Set the format parameters for outgoing streams.
|
* @param[in] pt The payload type.
|
* @param[in] send_fmtp The new format parameters as string. The string will be copied.
|
*/
|
LINPHONE_PUBLIC void linphone_payload_type_set_send_fmtp(LinphonePayloadType *pt, const char *send_fmtp);
|
|
/**
|
* Get the clock rate of a payload type.
|
* @param[in] pt The payload type.
|
* @return[in] The clock rate in Hz.
|
*/
|
LINPHONE_PUBLIC int linphone_payload_type_get_clock_rate(const LinphonePayloadType *pt);
|
|
/**
|
* Tells whether the specified payload type represents a variable bitrate codec.
|
* @param[in] pt The payload type.
|
* @return TRUE if the payload type represents a VBR codec, FALSE instead.
|
*/
|
LINPHONE_PUBLIC bool_t linphone_payload_type_is_vbr(const LinphonePayloadType *pt);
|
|
/**
|
* Check whether the payload is usable according the bandwidth targets set in the core.
|
* @param[in] pt The payload type to test.
|
* @return TRUE if the payload type is usable.
|
*/
|
LINPHONE_PUBLIC bool_t linphone_payload_type_is_usable(const LinphonePayloadType *pt);
|
|
|
#ifdef __cplusplus
|
}
|
#endif
|
|
/**
|
* @}
|
**/
|
|
#endif /* LINPHONE_PAYLOAD_TYPE_H_ */
|
