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media/webrtc/signaling/src/sipcc/include/ccsdp_rtcp_fb.h@ac0c01689b40 (annotated)

media/webrtc/signaling/src/sipcc/include/ccsdp_rtcp_fb.h

Thu, 15 Jan 2015 15:59:08 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:59:08 +0100

branch

TOR_BUG_9701

changeset 10

ac0c01689b40

permissions

-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	#ifndef __CCSDP_RTCP_FB_H__
michael@0	6	#define __CCSDP_RTCP_FB_H__
michael@0	7
michael@0	8	/* a=rtcp-fb enumerations */
michael@0	9
michael@0	10	typedef enum {
michael@0	11	SDP_RTCP_FB_ANY = -1,
michael@0	12	SDP_RTCP_FB_ACK = 0,
michael@0	13	SDP_RTCP_FB_CCM,
michael@0	14	SDP_RTCP_FB_NACK,
michael@0	15	SDP_RTCP_FB_TRR_INT,
michael@0	16	SDP_MAX_RTCP_FB,
michael@0	17	SDP_RTCP_FB_UNKNOWN
michael@0	18	} sdp_rtcp_fb_type_e;
michael@0	19
michael@0	20	typedef enum {
michael@0	21	SDP_RTCP_FB_NACK_NOT_FOUND = -1,
michael@0	22	SDP_RTCP_FB_NACK_BASIC = 0,
michael@0	23	SDP_RTCP_FB_NACK_SLI,
michael@0	24	SDP_RTCP_FB_NACK_PLI,
michael@0	25	SDP_RTCP_FB_NACK_RPSI,
michael@0	26	SDP_RTCP_FB_NACK_APP,
michael@0	27	SDP_RTCP_FB_NACK_RAI,
michael@0	28	SDP_RTCP_FB_NACK_TLLEI,
michael@0	29	SDP_RTCP_FB_NACK_PSLEI,
michael@0	30	SDP_RTCP_FB_NACK_ECN,
michael@0	31	SDP_MAX_RTCP_FB_NACK,
michael@0	32	SDP_RTCP_FB_NACK_UNKNOWN
michael@0	33	} sdp_rtcp_fb_nack_type_e;
michael@0	34
michael@0	35	typedef enum {
michael@0	36	SDP_RTCP_FB_ACK_NOT_FOUND = -1,
michael@0	37	SDP_RTCP_FB_ACK_RPSI = 0,
michael@0	38	SDP_RTCP_FB_ACK_APP,
michael@0	39	SDP_MAX_RTCP_FB_ACK,
michael@0	40	SDP_RTCP_FB_ACK_UNKNOWN
michael@0	41	} sdp_rtcp_fb_ack_type_e;
michael@0	42
michael@0	43	typedef enum {
michael@0	44	SDP_RTCP_FB_CCM_NOT_FOUND = -1,
michael@0	45	SDP_RTCP_FB_CCM_FIR = 0,
michael@0	46	SDP_RTCP_FB_CCM_TMMBR,
michael@0	47	SDP_RTCP_FB_CCM_TSTR,
michael@0	48	SDP_RTCP_FB_CCM_VBCM,
michael@0	49	SDP_MAX_RTCP_FB_CCM,
michael@0	50	SDP_RTCP_FB_CCM_UNKNOWN
michael@0	51	} sdp_rtcp_fb_ccm_type_e;
michael@0	52
michael@0	53	#ifdef __cplusplus
michael@0	54	static_assert(SDP_MAX_RTCP_FB_NACK +
michael@0	55	SDP_MAX_RTCP_FB_ACK +
michael@0	56	SDP_MAX_RTCP_FB_CCM < 32,
michael@0	57	"rtcp-fb Bitmap is larger than 32 bits");
michael@0	58	#endif
michael@0	59
michael@0	60	static int32_t
michael@0	61	sdp_rtcp_fb_nack_to_bitmap(sdp_rtcp_fb_nack_type_e type)
michael@0	62	{
michael@0	63	int bitnumber = type;
michael@0	64
michael@0	65	if (type < 0 || type >= SDP_MAX_RTCP_FB_NACK) {
michael@0	66	return 0;
michael@0	67	}
michael@0	68
michael@0	69	return (1 << bitnumber);
michael@0	70	}
michael@0	71
michael@0	72	static int32_t
michael@0	73	sdp_rtcp_fb_ack_to_bitmap(sdp_rtcp_fb_ack_type_e type)
michael@0	74	{
michael@0	75	int bitnumber = type + SDP_MAX_RTCP_FB_NACK;
michael@0	76
michael@0	77	if (type < 0 || type >= SDP_MAX_RTCP_FB_ACK) {
michael@0	78	return 0;
michael@0	79	}
michael@0	80
michael@0	81	return (1 << bitnumber);
michael@0	82	}
michael@0	83
michael@0	84	static int32_t
michael@0	85	sdp_rtcp_fb_ccm_to_bitmap(sdp_rtcp_fb_ccm_type_e type)
michael@0	86	{
michael@0	87	int bitnumber = type + SDP_MAX_RTCP_FB_NACK + SDP_MAX_RTCP_FB_ACK;
michael@0	88
michael@0	89	if (type < 0 || type >= SDP_MAX_RTCP_FB_CCM) {
michael@0	90	return 0;
michael@0	91	}
michael@0	92
michael@0	93	return (1 << bitnumber);
michael@0	94	}
michael@0	95
michael@0	96	#endif