Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 2480 insertions, 0 deletions

diff --git a/dom/media/webrtc/sdp/rsdparsa_capi/Cargo.toml b/dom/media/webrtc/sdp/rsdparsa_capi/Cargo.toml
new file mode 100644
index 0000000000..a0aeff086f
--- /dev/null
+++ b/dom/media/webrtc/sdp/rsdparsa_capi/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "rsdparsa_capi"
+version = "0.1.0"
+authors = ["Paul Ellenbogen <pe5@cs.princeton.edu>",
+	   "Nils Ohlmeier <github@ohlmeier.org>"]
+license = "MPL-2.0"
+
+[dependencies]
+libc = "^0.2.0"
+log = "0.4"
+rsdparsa = {package = "webrtc-sdp", version = "0.3.10"}
+nserror = { path = "../../../../../xpcom/rust/nserror" }
diff --git a/dom/media/webrtc/sdp/rsdparsa_capi/src/attribute.rs b/dom/media/webrtc/sdp/rsdparsa_capi/src/attribute.rs
new file mode 100644
index 0000000000..82483f151f
--- /dev/null
+++ b/dom/media/webrtc/sdp/rsdparsa_capi/src/attribute.rs
@@ -0,0 +1,1472 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use libc::{c_float, size_t};
+use std::ptr;
+use std::slice;
+
+use nserror::{nsresult, NS_ERROR_INVALID_ARG, NS_OK};
+use rsdparsa::attribute_type::*;
+use rsdparsa::SdpSession;
+
+use network::{RustAddress, RustExplicitlyTypedAddress};
+use types::StringView;
+
+#[no_mangle]
+pub unsafe extern "C" fn num_attributes(session: *const SdpSession) -> u32 {
+    (*session).attribute.len() as u32
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn get_attribute_ptr(
+    session: *const SdpSession,
+    index: u32,
+    ret: *mut *const SdpAttribute,
+) -> nsresult {
+    match (*session).attribute.get(index as usize) {
+        Some(attribute) => {
+            *ret = attribute as *const SdpAttribute;
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}
+
+fn count_attribute(attributes: &[SdpAttribute], search: SdpAttributeType) -> usize {
+    let mut count = 0;
+    for attribute in (*attributes).iter() {
+        if SdpAttributeType::from(attribute) == search {
+            count += 1;
+        }
+    }
+    count
+}
+
+fn argsearch(attributes: &[SdpAttribute], attribute_type: SdpAttributeType) -> Option<usize> {
+    for (i, attribute) in (*attributes).iter().enumerate() {
+        if SdpAttributeType::from(attribute) == attribute_type {
+            return Some(i);
+        }
+    }
+    None
+}
+
+pub unsafe fn has_attribute(
+    attributes: *const Vec<SdpAttribute>,
+    attribute_type: SdpAttributeType,
+) -> bool {
+    argsearch((*attributes).as_slice(), attribute_type).is_some()
+}
+
+fn get_attribute(
+    attributes: &[SdpAttribute],
+    attribute_type: SdpAttributeType,
+) -> Option<&SdpAttribute> {
+    argsearch(attributes, attribute_type).map(|i| &attributes[i])
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub enum RustSdpAttributeDtlsMessageType {
+    Client,
+    Server,
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeDtlsMessage {
+    pub role: u8,
+    pub value: StringView,
+}
+
+impl<'a> From<&'a SdpAttributeDtlsMessage> for RustSdpAttributeDtlsMessage {
+    fn from(other: &SdpAttributeDtlsMessage) -> Self {
+        match other {
+            &SdpAttributeDtlsMessage::Client(ref x) => RustSdpAttributeDtlsMessage {
+                role: RustSdpAttributeDtlsMessageType::Client as u8,
+                value: StringView::from(x.as_str()),
+            },
+            &SdpAttributeDtlsMessage::Server(ref x) => RustSdpAttributeDtlsMessage {
+                role: RustSdpAttributeDtlsMessageType::Server as u8,
+                value: StringView::from(x.as_str()),
+            },
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_dtls_message(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut RustSdpAttributeDtlsMessage,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::DtlsMessage);
+    if let Some(&SdpAttribute::DtlsMessage(ref dtls_message)) = attr {
+        *ret = RustSdpAttributeDtlsMessage::from(dtls_message);
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_iceufrag(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut StringView,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::IceUfrag);
+    if let Some(&SdpAttribute::IceUfrag(ref string)) = attr {
+        *ret = StringView::from(string.as_str());
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_icepwd(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut StringView,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::IcePwd);
+    if let Some(&SdpAttribute::IcePwd(ref string)) = attr {
+        *ret = StringView::from(string.as_str());
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_identity(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut StringView,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::Identity);
+    if let Some(&SdpAttribute::Identity(ref string)) = attr {
+        *ret = StringView::from(string.as_str());
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_iceoptions(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut *const Vec<String>,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::IceOptions);
+    if let Some(&SdpAttribute::IceOptions(ref options)) = attr {
+        *ret = options;
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_maxptime(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut u64,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::MaxPtime);
+    if let Some(&SdpAttribute::MaxPtime(ref max_ptime)) = attr {
+        *ret = *max_ptime;
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeFingerprint {
+    hash_algorithm: u16,
+    fingerprint: *const Vec<u8>,
+}
+
+impl<'a> From<&'a SdpAttributeFingerprint> for RustSdpAttributeFingerprint {
+    fn from(other: &SdpAttributeFingerprint) -> Self {
+        RustSdpAttributeFingerprint {
+            hash_algorithm: other.hash_algorithm as u16,
+            fingerprint: &other.fingerprint,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_fingerprint_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Fingerprint)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_fingerprints(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_fingerprints: *mut RustSdpAttributeFingerprint,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Fingerprint(ref data) = *x {
+                Some(RustSdpAttributeFingerprint::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let fingerprints = slice::from_raw_parts_mut(ret_fingerprints, ret_size);
+    fingerprints.copy_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone)]
+pub enum RustSdpAttributeSetup {
+    Active,
+    Actpass,
+    Holdconn,
+    Passive,
+}
+
+impl<'a> From<&'a SdpAttributeSetup> for RustSdpAttributeSetup {
+    fn from(other: &SdpAttributeSetup) -> Self {
+        match *other {
+            SdpAttributeSetup::Active => RustSdpAttributeSetup::Active,
+            SdpAttributeSetup::Actpass => RustSdpAttributeSetup::Actpass,
+            SdpAttributeSetup::Holdconn => RustSdpAttributeSetup::Holdconn,
+            SdpAttributeSetup::Passive => RustSdpAttributeSetup::Passive,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_setup(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut RustSdpAttributeSetup,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::Setup);
+    if let Some(&SdpAttribute::Setup(ref setup)) = attr {
+        *ret = RustSdpAttributeSetup::from(setup);
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeSsrc {
+    pub id: u32,
+    pub attribute: StringView,
+    pub value: StringView,
+}
+
+impl<'a> From<&'a SdpAttributeSsrc> for RustSdpAttributeSsrc {
+    fn from(other: &SdpAttributeSsrc) -> Self {
+        RustSdpAttributeSsrc {
+            id: other.id,
+            attribute: StringView::from(&other.attribute),
+            value: StringView::from(&other.value),
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_ssrc_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Ssrc)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_ssrcs(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_ssrcs: *mut RustSdpAttributeSsrc,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Ssrc(ref data) = *x {
+                Some(RustSdpAttributeSsrc::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let ssrcs = slice::from_raw_parts_mut(ret_ssrcs, ret_size);
+    ssrcs.copy_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub enum RustSdpSsrcGroupSemantic {
+    Duplication,
+    FlowIdentification,
+    ForwardErrorCorrection,
+    ForwardErrorCorrectionFr,
+    SIM,
+}
+
+impl<'a> From<&'a SdpSsrcGroupSemantic> for RustSdpSsrcGroupSemantic {
+    fn from(other: &SdpSsrcGroupSemantic) -> Self {
+        match *other {
+            SdpSsrcGroupSemantic::Duplication => RustSdpSsrcGroupSemantic::Duplication,
+            SdpSsrcGroupSemantic::FlowIdentification => {
+                RustSdpSsrcGroupSemantic::FlowIdentification
+            }
+            SdpSsrcGroupSemantic::ForwardErrorCorrection => {
+                RustSdpSsrcGroupSemantic::ForwardErrorCorrection
+            }
+            SdpSsrcGroupSemantic::ForwardErrorCorrectionFr => {
+                RustSdpSsrcGroupSemantic::ForwardErrorCorrectionFr
+            }
+            SdpSsrcGroupSemantic::Sim => RustSdpSsrcGroupSemantic::SIM,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpSsrcGroup {
+    pub semantic: RustSdpSsrcGroupSemantic,
+    pub ssrcs: *const Vec<SdpAttributeSsrc>,
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_ssrc_group_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::SsrcGroup)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_ssrc_groups(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_ssrc_groups: *mut RustSdpSsrcGroup,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::SsrcGroup(ref semantic, ref ssrcs) = *x {
+                Some(RustSdpSsrcGroup {
+                    semantic: RustSdpSsrcGroupSemantic::from(semantic),
+                    ssrcs: ssrcs,
+                })
+            } else {
+                None
+            }
+        })
+        .collect();
+    let ssrc_groups = slice::from_raw_parts_mut(ret_ssrc_groups, ret_size);
+    ssrc_groups.copy_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeRtpmap {
+    pub payload_type: u8,
+    pub codec_name: StringView,
+    pub frequency: u32,
+    pub channels: u32,
+}
+
+impl<'a> From<&'a SdpAttributeRtpmap> for RustSdpAttributeRtpmap {
+    fn from(other: &SdpAttributeRtpmap) -> Self {
+        RustSdpAttributeRtpmap {
+            payload_type: other.payload_type as u8,
+            codec_name: StringView::from(other.codec_name.as_str()),
+            frequency: other.frequency as u32,
+            channels: other.channels.unwrap_or(0),
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_rtpmap_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Rtpmap)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_rtpmaps(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_rtpmaps: *mut RustSdpAttributeRtpmap,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Rtpmap(ref data) = *x {
+                Some(RustSdpAttributeRtpmap::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let rtpmaps = slice::from_raw_parts_mut(ret_rtpmaps, ret_size);
+    rtpmaps.copy_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustRtxFmtpParameters {
+    pub apt: u8,
+    pub has_rtx_time: bool,
+    pub rtx_time: u32,
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeFmtpParameters {
+    // H264
+    pub packetization_mode: u32,
+    pub level_asymmetry_allowed: bool,
+    pub profile_level_id: u32,
+    pub max_fs: u32,
+    pub max_cpb: u32,
+    pub max_dpb: u32,
+    pub max_br: u32,
+    pub max_mbps: u32,
+
+    // VP8 and VP9
+    // max_fs, already defined in H264
+    pub max_fr: u32,
+
+    // Opus
+    pub maxplaybackrate: u32,
+    pub maxaveragebitrate: u32,
+    pub usedtx: bool,
+    pub stereo: bool,
+    pub useinbandfec: bool,
+    pub cbr: bool,
+    pub ptime: u32,
+    pub minptime: u32,
+    pub maxptime: u32,
+
+    // telephone-event
+    pub dtmf_tones: StringView,
+
+    // RTX
+    pub rtx: RustRtxFmtpParameters,
+
+    // Red
+    pub encodings: *const Vec<u8>,
+
+    // Unknown
+    pub unknown_tokens: *const Vec<String>,
+}
+
+impl<'a> From<&'a SdpAttributeFmtpParameters> for RustSdpAttributeFmtpParameters {
+    fn from(other: &SdpAttributeFmtpParameters) -> Self {
+        let rtx = if let Some(rtx) = other.rtx {
+            RustRtxFmtpParameters {
+                apt: rtx.apt,
+                has_rtx_time: rtx.rtx_time.is_some(),
+                rtx_time: rtx.rtx_time.unwrap_or(0),
+            }
+        } else {
+            RustRtxFmtpParameters {
+                apt: 0,
+                has_rtx_time: false,
+                rtx_time: 0,
+            }
+        };
+
+        RustSdpAttributeFmtpParameters {
+            packetization_mode: other.packetization_mode,
+            level_asymmetry_allowed: other.level_asymmetry_allowed,
+            profile_level_id: other.profile_level_id,
+            max_fs: other.max_fs,
+            max_cpb: other.max_cpb,
+            max_dpb: other.max_dpb,
+            max_br: other.max_br,
+            max_mbps: other.max_mbps,
+            usedtx: other.usedtx,
+            stereo: other.stereo,
+            useinbandfec: other.useinbandfec,
+            cbr: other.cbr,
+            max_fr: other.max_fr,
+            maxplaybackrate: other.maxplaybackrate,
+            maxaveragebitrate: other.maxaveragebitrate,
+            ptime: other.ptime,
+            minptime: other.minptime,
+            maxptime: other.maxptime,
+            dtmf_tones: StringView::from(other.dtmf_tones.as_str()),
+            rtx,
+            encodings: &other.encodings,
+            unknown_tokens: &other.unknown_tokens,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeFmtp {
+    pub payload_type: u8,
+    pub codec_name: StringView,
+    pub parameters: RustSdpAttributeFmtpParameters,
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_fmtp_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Fmtp)
+}
+
+fn find_payload_type(attributes: &[SdpAttribute], payload_type: u8) -> Option<&SdpAttributeRtpmap> {
+    attributes
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Rtpmap(ref data) = *x {
+                if data.payload_type == payload_type {
+                    Some(data)
+                } else {
+                    None
+                }
+            } else {
+                None
+            }
+        })
+        .next()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_fmtp(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_fmtp: *mut RustSdpAttributeFmtp,
+) -> size_t {
+    let fmtps = (*attributes).iter().filter_map(|x| {
+        if let SdpAttribute::Fmtp(ref data) = *x {
+            Some(data)
+        } else {
+            None
+        }
+    });
+    let mut rust_fmtps = Vec::new();
+    for fmtp in fmtps {
+        if let Some(rtpmap) = find_payload_type((*attributes).as_slice(), fmtp.payload_type) {
+            rust_fmtps.push(RustSdpAttributeFmtp {
+                payload_type: fmtp.payload_type as u8,
+                codec_name: StringView::from(rtpmap.codec_name.as_str()),
+                parameters: RustSdpAttributeFmtpParameters::from(&fmtp.parameters),
+            });
+        }
+    }
+    let fmtps = if ret_size <= rust_fmtps.len() {
+        slice::from_raw_parts_mut(ret_fmtp, ret_size)
+    } else {
+        slice::from_raw_parts_mut(ret_fmtp, rust_fmtps.len())
+    };
+    fmtps.copy_from_slice(rust_fmtps.as_slice());
+    fmtps.len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_ptime(attributes: *const Vec<SdpAttribute>) -> i64 {
+    for attribute in (*attributes).iter() {
+        if let SdpAttribute::Ptime(time) = *attribute {
+            return time as i64;
+        }
+    }
+    -1
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_max_msg_size(attributes: *const Vec<SdpAttribute>) -> i64 {
+    for attribute in (*attributes).iter() {
+        if let SdpAttribute::MaxMessageSize(max_msg_size) = *attribute {
+            return max_msg_size as i64;
+        }
+    }
+    -1
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_sctp_port(attributes: *const Vec<SdpAttribute>) -> i64 {
+    for attribute in (*attributes).iter() {
+        if let SdpAttribute::SctpPort(port) = *attribute {
+            return port as i64;
+        }
+    }
+    -1
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeFlags {
+    pub ice_lite: bool,
+    pub rtcp_mux: bool,
+    pub rtcp_rsize: bool,
+    pub bundle_only: bool,
+    pub end_of_candidates: bool,
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_attribute_flags(
+    attributes: *const Vec<SdpAttribute>,
+) -> RustSdpAttributeFlags {
+    let mut ret = RustSdpAttributeFlags {
+        ice_lite: false,
+        rtcp_mux: false,
+        rtcp_rsize: false,
+        bundle_only: false,
+        end_of_candidates: false,
+    };
+    for attribute in (*attributes).iter() {
+        if let SdpAttribute::IceLite = *attribute {
+            ret.ice_lite = true;
+        } else if let SdpAttribute::RtcpMux = *attribute {
+            ret.rtcp_mux = true;
+        } else if let SdpAttribute::RtcpRsize = *attribute {
+            ret.rtcp_rsize = true;
+        } else if let SdpAttribute::BundleOnly = *attribute {
+            ret.bundle_only = true;
+        } else if let SdpAttribute::EndOfCandidates = *attribute {
+            ret.end_of_candidates = true;
+        }
+    }
+    ret
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_mid(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut StringView,
+) -> nsresult {
+    for attribute in (*attributes).iter() {
+        if let SdpAttribute::Mid(ref data) = *attribute {
+            *ret = StringView::from(data.as_str());
+            return NS_OK;
+        }
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeMsid {
+    id: StringView,
+    appdata: StringView,
+}
+
+impl<'a> From<&'a SdpAttributeMsid> for RustSdpAttributeMsid {
+    fn from(other: &SdpAttributeMsid) -> Self {
+        RustSdpAttributeMsid {
+            id: StringView::from(other.id.as_str()),
+            appdata: StringView::from(&other.appdata),
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_msid_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Msid)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_msids(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_msids: *mut RustSdpAttributeMsid,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Msid(ref data) = *x {
+                Some(RustSdpAttributeMsid::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let msids = slice::from_raw_parts_mut(ret_msids, ret_size);
+    msids.copy_from_slice(attrs.as_slice());
+}
+
+// TODO: Finish msid attributes once parsing is changed upstream.
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeMsidSemantic {
+    pub semantic: StringView,
+    pub msids: *const Vec<String>,
+}
+
+impl<'a> From<&'a SdpAttributeMsidSemantic> for RustSdpAttributeMsidSemantic {
+    fn from(other: &SdpAttributeMsidSemantic) -> Self {
+        RustSdpAttributeMsidSemantic {
+            semantic: StringView::from(other.semantic.as_str()),
+            msids: &other.msids,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_msid_semantic_count(
+    attributes: *const Vec<SdpAttribute>,
+) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::MsidSemantic)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_msid_semantics(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_msid_semantics: *mut RustSdpAttributeMsidSemantic,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::MsidSemantic(ref data) = *x {
+                Some(RustSdpAttributeMsidSemantic::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let msid_semantics = slice::from_raw_parts_mut(ret_msid_semantics, ret_size);
+    msid_semantics.copy_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub enum RustSdpAttributeGroupSemantic {
+    LipSynchronization,
+    FlowIdentification,
+    SingleReservationFlow,
+    AlternateNetworkAddressType,
+    ForwardErrorCorrection,
+    DecodingDependency,
+    Bundle,
+}
+
+impl<'a> From<&'a SdpAttributeGroupSemantic> for RustSdpAttributeGroupSemantic {
+    fn from(other: &SdpAttributeGroupSemantic) -> Self {
+        match *other {
+            SdpAttributeGroupSemantic::LipSynchronization => {
+                RustSdpAttributeGroupSemantic::LipSynchronization
+            }
+            SdpAttributeGroupSemantic::FlowIdentification => {
+                RustSdpAttributeGroupSemantic::FlowIdentification
+            }
+            SdpAttributeGroupSemantic::SingleReservationFlow => {
+                RustSdpAttributeGroupSemantic::SingleReservationFlow
+            }
+            SdpAttributeGroupSemantic::AlternateNetworkAddressType => {
+                RustSdpAttributeGroupSemantic::AlternateNetworkAddressType
+            }
+            SdpAttributeGroupSemantic::ForwardErrorCorrection => {
+                RustSdpAttributeGroupSemantic::ForwardErrorCorrection
+            }
+            SdpAttributeGroupSemantic::DecodingDependency => {
+                RustSdpAttributeGroupSemantic::DecodingDependency
+            }
+            SdpAttributeGroupSemantic::Bundle => RustSdpAttributeGroupSemantic::Bundle,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeGroup {
+    pub semantic: RustSdpAttributeGroupSemantic,
+    pub tags: *const Vec<String>,
+}
+
+impl<'a> From<&'a SdpAttributeGroup> for RustSdpAttributeGroup {
+    fn from(other: &SdpAttributeGroup) -> Self {
+        RustSdpAttributeGroup {
+            semantic: RustSdpAttributeGroupSemantic::from(&other.semantics),
+            tags: &other.tags,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_group_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Group)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_groups(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_groups: *mut RustSdpAttributeGroup,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Group(ref data) = *x {
+                Some(RustSdpAttributeGroup::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let groups = slice::from_raw_parts_mut(ret_groups, ret_size);
+    groups.copy_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+pub struct RustSdpAttributeRtcp {
+    pub port: u32,
+    pub unicast_addr: RustExplicitlyTypedAddress,
+    pub has_address: bool,
+}
+
+impl<'a> From<&'a SdpAttributeRtcp> for RustSdpAttributeRtcp {
+    fn from(other: &SdpAttributeRtcp) -> Self {
+        match other.unicast_addr {
+            Some(ref address) => RustSdpAttributeRtcp {
+                port: other.port as u32,
+                unicast_addr: address.into(),
+                has_address: true,
+            },
+            None => RustSdpAttributeRtcp {
+                port: other.port as u32,
+                unicast_addr: RustExplicitlyTypedAddress::default(),
+                has_address: false,
+            },
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_rtcp(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut RustSdpAttributeRtcp,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::Rtcp);
+    if let Some(&SdpAttribute::Rtcp(ref data)) = attr {
+        *ret = RustSdpAttributeRtcp::from(data);
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeRtcpFb {
+    pub payload_type: u32,
+    pub feedback_type: u32,
+    pub parameter: StringView,
+    pub extra: StringView,
+}
+
+impl<'a> From<&'a SdpAttributeRtcpFb> for RustSdpAttributeRtcpFb {
+    fn from(other: &SdpAttributeRtcpFb) -> Self {
+        RustSdpAttributeRtcpFb {
+            payload_type: match other.payload_type {
+                SdpAttributePayloadType::Wildcard => u32::max_value(),
+                SdpAttributePayloadType::PayloadType(x) => x as u32,
+            },
+            feedback_type: other.feedback_type.clone() as u32,
+            parameter: StringView::from(other.parameter.as_str()),
+            extra: StringView::from(other.extra.as_str()),
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_rtcpfb_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Rtcpfb)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_rtcpfbs(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_rtcpfbs: *mut RustSdpAttributeRtcpFb,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Rtcpfb(ref data) = *x {
+                Some(RustSdpAttributeRtcpFb::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let rtcpfbs = slice::from_raw_parts_mut(ret_rtcpfbs, ret_size);
+    rtcpfbs.clone_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeImageAttrXyRange {
+    // range
+    pub min: u32,
+    pub max: u32,
+    pub step: u32,
+
+    // discrete values
+    pub discrete_values: *const Vec<u32>,
+}
+
+impl<'a> From<&'a SdpAttributeImageAttrXyRange> for RustSdpAttributeImageAttrXyRange {
+    fn from(other: &SdpAttributeImageAttrXyRange) -> Self {
+        match other {
+            &SdpAttributeImageAttrXyRange::Range(min, max, step) => {
+                RustSdpAttributeImageAttrXyRange {
+                    min,
+                    max,
+                    step: step.unwrap_or(1),
+                    discrete_values: ptr::null(),
+                }
+            }
+            &SdpAttributeImageAttrXyRange::DiscreteValues(ref discrete_values) => {
+                RustSdpAttributeImageAttrXyRange {
+                    min: 0,
+                    max: 1,
+                    step: 1,
+                    discrete_values,
+                }
+            }
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeImageAttrSRange {
+    // range
+    pub min: c_float,
+    pub max: c_float,
+
+    // discrete values
+    pub discrete_values: *const Vec<c_float>,
+}
+
+impl<'a> From<&'a SdpAttributeImageAttrSRange> for RustSdpAttributeImageAttrSRange {
+    fn from(other: &SdpAttributeImageAttrSRange) -> Self {
+        match other {
+            &SdpAttributeImageAttrSRange::Range(min, max) => RustSdpAttributeImageAttrSRange {
+                min,
+                max,
+                discrete_values: ptr::null(),
+            },
+            &SdpAttributeImageAttrSRange::DiscreteValues(ref discrete_values) => {
+                RustSdpAttributeImageAttrSRange {
+                    min: 0.0,
+                    max: 1.0,
+                    discrete_values,
+                }
+            }
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeImageAttrPRange {
+    pub min: c_float,
+    pub max: c_float,
+}
+
+impl<'a> From<&'a SdpAttributeImageAttrPRange> for RustSdpAttributeImageAttrPRange {
+    fn from(other: &SdpAttributeImageAttrPRange) -> Self {
+        RustSdpAttributeImageAttrPRange {
+            min: other.min,
+            max: other.max,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeImageAttrSet {
+    pub x: RustSdpAttributeImageAttrXyRange,
+    pub y: RustSdpAttributeImageAttrXyRange,
+
+    pub has_sar: bool,
+    pub sar: RustSdpAttributeImageAttrSRange,
+
+    pub has_par: bool,
+    pub par: RustSdpAttributeImageAttrPRange,
+
+    pub q: c_float,
+}
+
+impl<'a> From<&'a SdpAttributeImageAttrSet> for RustSdpAttributeImageAttrSet {
+    fn from(other: &SdpAttributeImageAttrSet) -> Self {
+        RustSdpAttributeImageAttrSet {
+            x: RustSdpAttributeImageAttrXyRange::from(&other.x),
+            y: RustSdpAttributeImageAttrXyRange::from(&other.y),
+
+            has_sar: other.sar.is_some(),
+            sar: match other.sar {
+                Some(ref x) => RustSdpAttributeImageAttrSRange::from(x),
+                // This is just any valid value accepted by rust,
+                // it might as well by uninitilized
+                None => RustSdpAttributeImageAttrSRange::from(
+                    &SdpAttributeImageAttrSRange::DiscreteValues(vec![]),
+                ),
+            },
+
+            has_par: other.par.is_some(),
+            par: match other.par {
+                Some(ref x) => RustSdpAttributeImageAttrPRange::from(x),
+                // This is just any valid value accepted by rust,
+                // it might as well by uninitilized
+                None => RustSdpAttributeImageAttrPRange { min: 0.0, max: 1.0 },
+            },
+
+            q: other.q.unwrap_or(0.5),
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeImageAttrSetList {
+    pub sets: *const Vec<SdpAttributeImageAttrSet>,
+}
+
+impl<'a> From<&'a SdpAttributeImageAttrSetList> for RustSdpAttributeImageAttrSetList {
+    fn from(other: &SdpAttributeImageAttrSetList) -> Self {
+        match other {
+            &SdpAttributeImageAttrSetList::Wildcard => {
+                RustSdpAttributeImageAttrSetList { sets: ptr::null() }
+            }
+            &SdpAttributeImageAttrSetList::Sets(ref sets) => {
+                RustSdpAttributeImageAttrSetList { sets: sets }
+            }
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_imageattr_get_set_count(
+    sets: *const Vec<SdpAttributeImageAttrSet>,
+) -> size_t {
+    (*sets).len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_imageattr_get_sets(
+    sets: *const Vec<SdpAttributeImageAttrSet>,
+    ret_size: size_t,
+    ret: *mut RustSdpAttributeImageAttrSet,
+) {
+    let rust_sets: Vec<_> = (*sets)
+        .iter()
+        .map(RustSdpAttributeImageAttrSet::from)
+        .collect();
+    let sets = slice::from_raw_parts_mut(ret, ret_size);
+    sets.clone_from_slice(rust_sets.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeImageAttr {
+    pub pt: u32,
+    pub send: RustSdpAttributeImageAttrSetList,
+    pub recv: RustSdpAttributeImageAttrSetList,
+}
+
+impl<'a> From<&'a SdpAttributeImageAttr> for RustSdpAttributeImageAttr {
+    fn from(other: &SdpAttributeImageAttr) -> Self {
+        RustSdpAttributeImageAttr {
+            pt: match other.pt {
+                SdpAttributePayloadType::Wildcard => u32::max_value(),
+                SdpAttributePayloadType::PayloadType(x) => x as u32,
+            },
+            send: RustSdpAttributeImageAttrSetList::from(&other.send),
+            recv: RustSdpAttributeImageAttrSetList::from(&other.recv),
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_imageattr_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::ImageAttr)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_imageattrs(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_attrs: *mut RustSdpAttributeImageAttr,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::ImageAttr(ref data) = *x {
+                Some(RustSdpAttributeImageAttr::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let imageattrs = slice::from_raw_parts_mut(ret_attrs, ret_size);
+    imageattrs.copy_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeSctpmap {
+    pub port: u32,
+    pub channels: u32,
+}
+
+impl<'a> From<&'a SdpAttributeSctpmap> for RustSdpAttributeSctpmap {
+    fn from(other: &SdpAttributeSctpmap) -> Self {
+        RustSdpAttributeSctpmap {
+            port: other.port as u32,
+            channels: other.channels,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_sctpmap_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Sctpmap)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_sctpmaps(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_sctpmaps: *mut RustSdpAttributeSctpmap,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Sctpmap(ref data) = *x {
+                Some(RustSdpAttributeSctpmap::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let sctpmaps = slice::from_raw_parts_mut(ret_sctpmaps, ret_size);
+    sctpmaps.copy_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeSimulcastId {
+    pub id: StringView,
+    pub paused: bool,
+}
+
+impl<'a> From<&'a SdpAttributeSimulcastId> for RustSdpAttributeSimulcastId {
+    fn from(other: &SdpAttributeSimulcastId) -> Self {
+        RustSdpAttributeSimulcastId {
+            id: StringView::from(other.id.as_str()),
+            paused: other.paused,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeSimulcastVersion {
+    pub ids: *const Vec<SdpAttributeSimulcastId>,
+}
+
+impl<'a> From<&'a SdpAttributeSimulcastVersion> for RustSdpAttributeSimulcastVersion {
+    fn from(other: &SdpAttributeSimulcastVersion) -> Self {
+        RustSdpAttributeSimulcastVersion { ids: &other.ids }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_simulcast_get_ids_count(
+    ids: *const Vec<SdpAttributeSimulcastId>,
+) -> size_t {
+    (*ids).len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_simulcast_get_ids(
+    ids: *const Vec<SdpAttributeSimulcastId>,
+    ret_size: size_t,
+    ret: *mut RustSdpAttributeSimulcastId,
+) {
+    let rust_ids: Vec<_> = (*ids)
+        .iter()
+        .map(RustSdpAttributeSimulcastId::from)
+        .collect();
+    let ids = slice::from_raw_parts_mut(ret, ret_size);
+    ids.clone_from_slice(rust_ids.as_slice());
+}
+
+#[repr(C)]
+pub struct RustSdpAttributeSimulcast {
+    pub send: *const Vec<SdpAttributeSimulcastVersion>,
+    pub receive: *const Vec<SdpAttributeSimulcastVersion>,
+}
+
+impl<'a> From<&'a SdpAttributeSimulcast> for RustSdpAttributeSimulcast {
+    fn from(other: &SdpAttributeSimulcast) -> Self {
+        RustSdpAttributeSimulcast {
+            send: &other.send,
+            receive: &other.receive,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_simulcast_get_version_count(
+    version_list: *const Vec<SdpAttributeSimulcastVersion>,
+) -> size_t {
+    (*version_list).len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_simulcast_get_versions(
+    version_list: *const Vec<SdpAttributeSimulcastVersion>,
+    ret_size: size_t,
+    ret: *mut RustSdpAttributeSimulcastVersion,
+) {
+    let rust_versions_list: Vec<_> = (*version_list)
+        .iter()
+        .map(RustSdpAttributeSimulcastVersion::from)
+        .collect();
+    let versions = slice::from_raw_parts_mut(ret, ret_size);
+    versions.clone_from_slice(rust_versions_list.as_slice())
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_simulcast(
+    attributes: *const Vec<SdpAttribute>,
+    ret: *mut RustSdpAttributeSimulcast,
+) -> nsresult {
+    let attr = get_attribute((*attributes).as_slice(), SdpAttributeType::Simulcast);
+    if let Some(&SdpAttribute::Simulcast(ref data)) = attr {
+        *ret = RustSdpAttributeSimulcast::from(data);
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub enum RustDirection {
+    Recvonly,
+    Sendonly,
+    Sendrecv,
+    Inactive,
+}
+
+impl<'a> From<&'a Option<SdpAttributeDirection>> for RustDirection {
+    fn from(other: &Option<SdpAttributeDirection>) -> Self {
+        match *other {
+            Some(ref direction) => match *direction {
+                SdpAttributeDirection::Recvonly => RustDirection::Recvonly,
+                SdpAttributeDirection::Sendonly => RustDirection::Sendonly,
+                SdpAttributeDirection::Sendrecv => RustDirection::Sendrecv,
+            },
+            None => RustDirection::Inactive,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_direction(attributes: *const Vec<SdpAttribute>) -> RustDirection {
+    for attribute in (*attributes).iter() {
+        match *attribute {
+            SdpAttribute::Recvonly => {
+                return RustDirection::Recvonly;
+            }
+            SdpAttribute::Sendonly => {
+                return RustDirection::Sendonly;
+            }
+            SdpAttribute::Sendrecv => {
+                return RustDirection::Sendrecv;
+            }
+            SdpAttribute::Inactive => {
+                return RustDirection::Inactive;
+            }
+            _ => (),
+        }
+    }
+    RustDirection::Sendrecv
+}
+
+#[repr(C)]
+pub struct RustSdpAttributeRemoteCandidate {
+    pub component: u32,
+    pub address: RustAddress,
+    pub port: u32,
+}
+
+impl<'a> From<&'a SdpAttributeRemoteCandidate> for RustSdpAttributeRemoteCandidate {
+    fn from(other: &SdpAttributeRemoteCandidate) -> Self {
+        RustSdpAttributeRemoteCandidate {
+            component: other.component,
+            address: RustAddress::from(&other.address),
+            port: other.port,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_remote_candidate_count(
+    attributes: *const Vec<SdpAttribute>,
+) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::RemoteCandidate)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_remote_candidates(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_candidates: *mut RustSdpAttributeRemoteCandidate,
+) {
+    let attrs = (*attributes).iter().filter_map(|x| {
+        if let SdpAttribute::RemoteCandidate(ref data) = *x {
+            Some(RustSdpAttributeRemoteCandidate::from(data))
+        } else {
+            None
+        }
+    });
+    let candidates = slice::from_raw_parts_mut(ret_candidates, ret_size);
+    for (source, destination) in attrs.zip(candidates) {
+        *destination = source
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_candidate_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Candidate)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_candidates(
+    attributes: *const Vec<SdpAttribute>,
+    _ret_size: size_t,
+    ret: *mut *const Vec<String>,
+) {
+    let attr_strings: Vec<String> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Candidate(ref attr) = *x {
+                // The serialized attribute starts with "candidate:...", this needs to be removed
+                Some(attr.to_string())
+            } else {
+                None
+            }
+        })
+        .collect();
+
+    *ret = Box::into_raw(Box::from(attr_strings));
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeRidParameters {
+    pub max_width: u32,
+    pub max_height: u32,
+    pub max_fps: u32,
+    pub max_fs: u32,
+    pub max_br: u32,
+    pub max_pps: u32,
+    pub unknown: *const Vec<String>,
+}
+
+impl<'a> From<&'a SdpAttributeRidParameters> for RustSdpAttributeRidParameters {
+    fn from(other: &SdpAttributeRidParameters) -> Self {
+        RustSdpAttributeRidParameters {
+            max_width: other.max_width,
+            max_height: other.max_height,
+            max_fps: other.max_fps,
+            max_fs: other.max_fs,
+            max_br: other.max_br,
+            max_pps: other.max_pps,
+
+            unknown: &other.unknown,
+        }
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeRid {
+    pub id: StringView,
+    pub direction: u32,
+    pub formats: *const Vec<u16>,
+    pub params: RustSdpAttributeRidParameters,
+    pub depends: *const Vec<String>,
+}
+
+impl<'a> From<&'a SdpAttributeRid> for RustSdpAttributeRid {
+    fn from(other: &SdpAttributeRid) -> Self {
+        RustSdpAttributeRid {
+            id: StringView::from(other.id.as_str()),
+            direction: other.direction.clone() as u32,
+            formats: &other.formats,
+            params: RustSdpAttributeRidParameters::from(&other.params),
+            depends: &other.depends,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_rid_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Rid)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_rids(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_rids: *mut RustSdpAttributeRid,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Rid(ref data) = *x {
+                Some(RustSdpAttributeRid::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let rids = slice::from_raw_parts_mut(ret_rids, ret_size);
+    rids.clone_from_slice(attrs.as_slice());
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct RustSdpAttributeExtmap {
+    pub id: u16,
+    pub direction_specified: bool,
+    pub direction: RustDirection,
+    pub url: StringView,
+    pub extension_attributes: StringView,
+}
+
+impl<'a> From<&'a SdpAttributeExtmap> for RustSdpAttributeExtmap {
+    fn from(other: &SdpAttributeExtmap) -> Self {
+        let dir = if other.direction.is_some() {
+            RustDirection::from(&other.direction)
+        } else {
+            RustDirection::from(&Some(SdpAttributeDirection::Sendrecv))
+        };
+        RustSdpAttributeExtmap {
+            id: other.id as u16,
+            direction_specified: other.direction.is_some(),
+            direction: dir,
+            url: StringView::from(other.url.as_str()),
+            extension_attributes: StringView::from(&other.extension_attributes),
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_extmap_count(attributes: *const Vec<SdpAttribute>) -> size_t {
+    count_attribute((*attributes).as_slice(), SdpAttributeType::Extmap)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_extmaps(
+    attributes: *const Vec<SdpAttribute>,
+    ret_size: size_t,
+    ret_rids: *mut RustSdpAttributeExtmap,
+) {
+    let attrs: Vec<_> = (*attributes)
+        .iter()
+        .filter_map(|x| {
+            if let SdpAttribute::Extmap(ref data) = *x {
+                Some(RustSdpAttributeExtmap::from(data))
+            } else {
+                None
+            }
+        })
+        .collect();
+    let extmaps = slice::from_raw_parts_mut(ret_rids, ret_size);
+    extmaps.copy_from_slice(attrs.as_slice());
+}
diff --git a/dom/media/webrtc/sdp/rsdparsa_capi/src/lib.rs b/dom/media/webrtc/sdp/rsdparsa_capi/src/lib.rs
new file mode 100644
index 0000000000..20a13900a2
--- /dev/null
+++ b/dom/media/webrtc/sdp/rsdparsa_capi/src/lib.rs
@@ -0,0 +1,298 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+extern crate libc;
+extern crate nserror;
+extern crate rsdparsa;
+
+use std::ffi::CString;
+use std::os::raw::c_char;
+use std::ptr;
+
+use libc::size_t;
+
+use std::rc::Rc;
+
+use std::convert::{TryFrom, TryInto};
+
+use nserror::{nsresult, NS_ERROR_INVALID_ARG, NS_OK};
+use rsdparsa::address::ExplicitlyTypedAddress;
+use rsdparsa::anonymizer::{AnonymizingClone, StatefulSdpAnonymizer};
+use rsdparsa::attribute_type::SdpAttribute;
+use rsdparsa::error::SdpParserError;
+use rsdparsa::media_type::{SdpMediaValue, SdpProtocolValue};
+use rsdparsa::{SdpBandwidth, SdpSession, SdpTiming};
+
+#[macro_use]
+extern crate log;
+
+pub mod attribute;
+pub mod media_section;
+pub mod network;
+pub mod types;
+
+use network::{
+    get_bandwidth, origin_view_helper, RustAddressType, RustSdpConnection, RustSdpOrigin,
+};
+pub use types::{StringView, NULL_STRING};
+
+#[no_mangle]
+pub unsafe extern "C" fn parse_sdp(
+    sdp: StringView,
+    fail_on_warning: bool,
+    session: *mut *const SdpSession,
+    parser_error: *mut *const SdpParserError,
+) -> nsresult {
+    let sdp_str: String = match sdp.try_into() {
+        Ok(string) => string,
+        Err(boxed_error) => {
+            *session = ptr::null();
+            *parser_error = Box::into_raw(Box::new(SdpParserError::Sequence {
+                message: format!("{}", boxed_error),
+                line_number: 0,
+            }));
+            return NS_ERROR_INVALID_ARG;
+        }
+    };
+
+    let parser_result = rsdparsa::parse_sdp(&sdp_str, fail_on_warning);
+    match parser_result {
+        Ok(mut parsed) => {
+            *parser_error = match parsed.warnings.len() {
+                0 => ptr::null(),
+                _ => Box::into_raw(Box::new(parsed.warnings.remove(0))),
+            };
+            *session = Rc::into_raw(Rc::new(parsed));
+            NS_OK
+        }
+        Err(e) => {
+            *session = ptr::null();
+            error!("Error parsing SDP in rust: {}", e);
+            *parser_error = Box::into_raw(Box::new(e));
+            NS_ERROR_INVALID_ARG
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn create_anonymized_sdp_clone(
+    session: *const SdpSession,
+) -> *const SdpSession {
+    Rc::into_raw(Rc::new(
+        (*session).masked_clone(&mut StatefulSdpAnonymizer::new()),
+    ))
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn create_sdp_clone(session: *const SdpSession) -> *const SdpSession {
+    Rc::into_raw(Rc::new((*session).clone()))
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_free_session(sdp_ptr: *mut SdpSession) {
+    let sdp = Rc::from_raw(sdp_ptr);
+    drop(sdp);
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_new_reference(session: *mut SdpSession) -> *const SdpSession {
+    let original = Rc::from_raw(session);
+    let ret = Rc::into_raw(Rc::clone(&original));
+    Rc::into_raw(original); // So the original reference doesn't get dropped
+    ret
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_error_line_num(parser_error: *mut SdpParserError) -> size_t {
+    match *parser_error {
+        SdpParserError::Line { line_number, .. }
+        | SdpParserError::Unsupported { line_number, .. }
+        | SdpParserError::Sequence { line_number, .. } => line_number,
+    }
+}
+
+#[no_mangle]
+// Callee must check that a nullptr is not returned
+pub unsafe extern "C" fn sdp_get_error_message(parser_error: *mut SdpParserError) -> *mut c_char {
+    let message = format!("{}", *parser_error);
+    return match CString::new(message.as_str()) {
+        Ok(c_char_ptr) => c_char_ptr.into_raw(),
+        Err(_) => 0 as *mut c_char,
+    };
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_free_error_message(message: *mut c_char) {
+    if message != 0 as *mut c_char {
+        let _tmp = CString::from_raw(message);
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_free_error(parser_error: *mut SdpParserError) {
+    let e = Box::from_raw(parser_error);
+    drop(e);
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn get_version(session: *const SdpSession) -> u64 {
+    (*session).get_version()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_origin(session: *const SdpSession) -> RustSdpOrigin {
+    origin_view_helper((*session).get_origin())
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn session_view(session: *const SdpSession) -> StringView {
+    StringView::from((*session).get_session())
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_session_has_connection(session: *const SdpSession) -> bool {
+    (*session).connection.is_some()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_session_connection(
+    session: *const SdpSession,
+    connection: *mut RustSdpConnection,
+) -> nsresult {
+    match (*session).connection {
+        Some(ref c) => {
+            *connection = RustSdpConnection::from(c);
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_add_media_section(
+    session: *mut SdpSession,
+    media_type: u32,
+    direction: u32,
+    port: u16,
+    protocol: u32,
+    addr_type: u32,
+    address: StringView,
+) -> nsresult {
+    let addr_type = match RustAddressType::try_from(addr_type) {
+        Ok(a) => a.into(),
+        Err(e) => {
+            return e;
+        }
+    };
+    let address_string: String = match address.try_into() {
+        Ok(x) => x,
+        Err(boxed_error) => {
+            error!("Error while parsing string, description: {}", boxed_error);
+            return NS_ERROR_INVALID_ARG;
+        }
+    };
+    let address = match ExplicitlyTypedAddress::try_from((addr_type, address_string.as_str())) {
+        Ok(a) => a,
+        Err(_) => {
+            return NS_ERROR_INVALID_ARG;
+        }
+    };
+
+    let media_type = match media_type {
+        0 => SdpMediaValue::Audio,       // MediaType::kAudio
+        1 => SdpMediaValue::Video,       // MediaType::kVideo
+        3 => SdpMediaValue::Application, // MediaType::kApplication
+        _ => {
+            return NS_ERROR_INVALID_ARG;
+        }
+    };
+    let protocol = match protocol {
+        20 => SdpProtocolValue::RtpSavpf,        // Protocol::kRtpSavpf
+        21 => SdpProtocolValue::UdpTlsRtpSavp,   // Protocol::kUdpTlsRtpSavp
+        22 => SdpProtocolValue::TcpDtlsRtpSavp,  // Protocol::kTcpDtlsRtpSavp
+        24 => SdpProtocolValue::UdpTlsRtpSavpf,  // Protocol::kUdpTlsRtpSavpf
+        25 => SdpProtocolValue::TcpDtlsRtpSavpf, // Protocol::kTcpTlsRtpSavpf
+        37 => SdpProtocolValue::DtlsSctp,        // Protocol::kDtlsSctp
+        38 => SdpProtocolValue::UdpDtlsSctp,     // Protocol::kUdpDtlsSctp
+        39 => SdpProtocolValue::TcpDtlsSctp,     // Protocol::kTcpDtlsSctp
+        _ => {
+            return NS_ERROR_INVALID_ARG;
+        }
+    };
+    let direction = match direction {
+        1 => SdpAttribute::Sendonly,
+        2 => SdpAttribute::Recvonly,
+        3 => SdpAttribute::Sendrecv,
+        _ => {
+            return NS_ERROR_INVALID_ARG;
+        }
+    };
+
+    match (*session).add_media(media_type, direction, port as u32, protocol, address) {
+        Ok(_) => NS_OK,
+        Err(_) => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[repr(C)]
+#[derive(Clone)]
+pub struct RustSdpTiming {
+    pub start: u64,
+    pub stop: u64,
+}
+
+impl<'a> From<&'a SdpTiming> for RustSdpTiming {
+    fn from(timing: &SdpTiming) -> Self {
+        RustSdpTiming {
+            start: timing.start,
+            stop: timing.stop,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_session_has_timing(session: *const SdpSession) -> bool {
+    (*session).timing.is_some()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_session_timing(
+    session: *const SdpSession,
+    timing: *mut RustSdpTiming,
+) -> nsresult {
+    match (*session).timing {
+        Some(ref t) => {
+            *timing = RustSdpTiming::from(t);
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_media_section_count(session: *const SdpSession) -> size_t {
+    (*session).media.len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn get_sdp_bandwidth(
+    session: *const SdpSession,
+    bandwidth_type: *const c_char,
+) -> u32 {
+    get_bandwidth(&(*session).bandwidth, bandwidth_type)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_session_bandwidth_vec(
+    session: *const SdpSession,
+) -> *const Vec<SdpBandwidth> {
+    &(*session).bandwidth
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn get_sdp_session_attributes(
+    session: *const SdpSession,
+) -> *const Vec<SdpAttribute> {
+    &(*session).attribute
+}
diff --git a/dom/media/webrtc/sdp/rsdparsa_capi/src/media_section.rs b/dom/media/webrtc/sdp/rsdparsa_capi/src/media_section.rs
new file mode 100644
index 0000000000..8429ab2815
--- /dev/null
+++ b/dom/media/webrtc/sdp/rsdparsa_capi/src/media_section.rs
@@ -0,0 +1,233 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use std::convert::TryInto;
+use std::os::raw::c_char;
+use std::ptr;
+
+use libc::size_t;
+
+use nserror::{nsresult, NS_ERROR_INVALID_ARG, NS_OK};
+use rsdparsa::attribute_type::{SdpAttribute, SdpAttributeRtpmap};
+use rsdparsa::media_type::{SdpFormatList, SdpMedia, SdpMediaValue, SdpProtocolValue};
+use rsdparsa::{SdpBandwidth, SdpSession};
+
+use network::{get_bandwidth, RustSdpConnection};
+use types::StringView;
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_media_section(
+    session: *const SdpSession,
+    index: size_t,
+) -> *const SdpMedia {
+    return match (*session).media.get(index) {
+        Some(m) => m,
+        None => ptr::null(),
+    };
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub enum RustSdpMediaValue {
+    Audio,
+    Video,
+    Application,
+}
+
+impl<'a> From<&'a SdpMediaValue> for RustSdpMediaValue {
+    fn from(val: &SdpMediaValue) -> Self {
+        match *val {
+            SdpMediaValue::Audio => RustSdpMediaValue::Audio,
+            SdpMediaValue::Video => RustSdpMediaValue::Video,
+            SdpMediaValue::Application => RustSdpMediaValue::Application,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_rust_get_media_type(sdp_media: *const SdpMedia) -> RustSdpMediaValue {
+    RustSdpMediaValue::from((*sdp_media).get_type())
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub enum RustSdpProtocolValue {
+    RtpSavpf,
+    UdpTlsRtpSavp,
+    TcpDtlsRtpSavp,
+    UdpTlsRtpSavpf,
+    TcpDtlsRtpSavpf,
+    DtlsSctp,
+    UdpDtlsSctp,
+    TcpDtlsSctp,
+    RtpAvp,
+    RtpAvpf,
+    RtpSavp,
+}
+
+impl<'a> From<&'a SdpProtocolValue> for RustSdpProtocolValue {
+    fn from(val: &SdpProtocolValue) -> Self {
+        match *val {
+            SdpProtocolValue::RtpSavpf => RustSdpProtocolValue::RtpSavpf,
+            SdpProtocolValue::UdpTlsRtpSavp => RustSdpProtocolValue::UdpTlsRtpSavp,
+            SdpProtocolValue::TcpDtlsRtpSavp => RustSdpProtocolValue::TcpDtlsRtpSavp,
+            SdpProtocolValue::UdpTlsRtpSavpf => RustSdpProtocolValue::UdpTlsRtpSavpf,
+            SdpProtocolValue::TcpDtlsRtpSavpf => RustSdpProtocolValue::TcpDtlsRtpSavpf,
+            SdpProtocolValue::DtlsSctp => RustSdpProtocolValue::DtlsSctp,
+            SdpProtocolValue::UdpDtlsSctp => RustSdpProtocolValue::UdpDtlsSctp,
+            SdpProtocolValue::TcpDtlsSctp => RustSdpProtocolValue::TcpDtlsSctp,
+            SdpProtocolValue::RtpAvp => RustSdpProtocolValue::RtpAvp,
+            SdpProtocolValue::RtpAvpf => RustSdpProtocolValue::RtpAvpf,
+            SdpProtocolValue::RtpSavp => RustSdpProtocolValue::RtpSavp,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_media_protocol(
+    sdp_media: *const SdpMedia,
+) -> RustSdpProtocolValue {
+    RustSdpProtocolValue::from((*sdp_media).get_proto())
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub enum RustSdpFormatType {
+    Integers,
+    Strings,
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_format_type(sdp_media: *const SdpMedia) -> RustSdpFormatType {
+    match *(*sdp_media).get_formats() {
+        SdpFormatList::Integers(_) => RustSdpFormatType::Integers,
+        SdpFormatList::Strings(_) => RustSdpFormatType::Strings,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_format_string_vec(
+    sdp_media: *const SdpMedia,
+) -> *const Vec<String> {
+    if let SdpFormatList::Strings(ref formats) = *(*sdp_media).get_formats() {
+        formats
+    } else {
+        ptr::null()
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_format_u32_vec(sdp_media: *const SdpMedia) -> *const Vec<u32> {
+    if let SdpFormatList::Integers(ref formats) = *(*sdp_media).get_formats() {
+        formats
+    } else {
+        ptr::null()
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_set_media_port(sdp_media: *mut SdpMedia, port: u32) {
+    (*sdp_media).set_port(port);
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_media_port(sdp_media: *const SdpMedia) -> u32 {
+    (*sdp_media).get_port()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_media_port_count(sdp_media: *const SdpMedia) -> u32 {
+    (*sdp_media).get_port_count()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_media_bandwidth(
+    sdp_media: *const SdpMedia,
+    bandwidth_type: *const c_char,
+) -> u32 {
+    get_bandwidth((*sdp_media).get_bandwidth(), bandwidth_type)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_media_bandwidth_vec(
+    sdp_media: *const SdpMedia,
+) -> *const Vec<SdpBandwidth> {
+    (*sdp_media).get_bandwidth()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_media_has_connection(sdp_media: *const SdpMedia) -> bool {
+    (*sdp_media).get_connection().is_some()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_media_connection(
+    sdp_media: *const SdpMedia,
+    ret: *mut RustSdpConnection,
+) -> nsresult {
+    if let &Some(ref connection) = (*sdp_media).get_connection() {
+        *ret = RustSdpConnection::from(connection);
+        return NS_OK;
+    }
+    NS_ERROR_INVALID_ARG
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_get_media_attribute_list(
+    sdp_media: *const SdpMedia,
+) -> *const Vec<SdpAttribute> {
+    (*sdp_media).get_attributes()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_media_clear_codecs(sdp_media: *mut SdpMedia) {
+    (*sdp_media).remove_codecs()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_media_add_codec(
+    sdp_media: *mut SdpMedia,
+    pt: u8,
+    codec_name: StringView,
+    clockrate: u32,
+    channels: u16,
+) -> nsresult {
+    let rtpmap = SdpAttributeRtpmap {
+        payload_type: pt,
+        codec_name: match codec_name.try_into() {
+            Ok(x) => x,
+            Err(boxed_error) => {
+                error!("Error while parsing string, description: {}", boxed_error);
+                return NS_ERROR_INVALID_ARG;
+            }
+        },
+        frequency: clockrate,
+        channels: Some(channels as u32),
+    };
+
+    match (*sdp_media).add_codec(rtpmap) {
+        Ok(_) => NS_OK,
+        Err(_) => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_media_add_datachannel(
+    sdp_media: *mut SdpMedia,
+    name: StringView,
+    port: u16,
+    streams: u16,
+    message_size: u32,
+) -> nsresult {
+    let name_str = match name.try_into() {
+        Ok(x) => x,
+        Err(_) => {
+            return NS_ERROR_INVALID_ARG;
+        }
+    };
+    match (*sdp_media).add_datachannel(name_str, port, streams, message_size) {
+        Ok(_) => NS_OK,
+        Err(_) => NS_ERROR_INVALID_ARG,
+    }
+}
diff --git a/dom/media/webrtc/sdp/rsdparsa_capi/src/network.rs b/dom/media/webrtc/sdp/rsdparsa_capi/src/network.rs
new file mode 100644
index 0000000000..970f7c8dec
--- /dev/null
+++ b/dom/media/webrtc/sdp/rsdparsa_capi/src/network.rs
@@ -0,0 +1,266 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+extern crate nserror;
+
+use std::ffi::{CStr, CString};
+use std::net::IpAddr;
+use std::os::raw::c_char;
+
+use rsdparsa::address::{Address, AddressType, AddressTyped, ExplicitlyTypedAddress};
+use rsdparsa::{SdpBandwidth, SdpConnection, SdpOrigin};
+use std::convert::TryFrom;
+use types::{StringView, NULL_STRING};
+
+#[repr(C)]
+#[derive(Clone, Copy, PartialEq)]
+pub enum RustAddressType {
+    IP4,
+    IP6,
+}
+
+impl TryFrom<u32> for RustAddressType {
+    type Error = nserror::nsresult;
+    fn try_from(address_type: u32) -> Result<Self, Self::Error> {
+        match address_type {
+            1 => Ok(RustAddressType::IP4),
+            2 => Ok(RustAddressType::IP6),
+            _ => Err(nserror::NS_ERROR_INVALID_ARG),
+        }
+    }
+}
+
+impl From<AddressType> for RustAddressType {
+    fn from(address_type: AddressType) -> Self {
+        match address_type {
+            AddressType::IpV4 => RustAddressType::IP4,
+            AddressType::IpV6 => RustAddressType::IP6,
+        }
+    }
+}
+
+impl Into<AddressType> for RustAddressType {
+    fn into(self) -> AddressType {
+        match self {
+            RustAddressType::IP4 => AddressType::IpV4,
+            RustAddressType::IP6 => AddressType::IpV6,
+        }
+    }
+}
+
+impl<'a> From<&'a IpAddr> for RustAddressType {
+    fn from(addr: &IpAddr) -> RustAddressType {
+        addr.address_type().into()
+    }
+}
+
+pub fn get_octets(addr: &IpAddr) -> [u8; 16] {
+    let mut octets = [0; 16];
+    match *addr {
+        IpAddr::V4(v4_addr) => {
+            let v4_octets = v4_addr.octets();
+            (&mut octets[0..4]).copy_from_slice(&v4_octets);
+        }
+        IpAddr::V6(v6_addr) => {
+            let v6_octets = v6_addr.octets();
+            octets.copy_from_slice(&v6_octets);
+        }
+    }
+    octets
+}
+
+#[repr(C)]
+pub struct RustAddress {
+    ip_address: [u8; 50],
+    fqdn: StringView,
+    is_fqdn: bool,
+}
+
+impl<'a> From<&'a Address> for RustAddress {
+    fn from(address: &Address) -> Self {
+        match address {
+            Address::Ip(ip) => Self::from(ip),
+            Address::Fqdn(fqdn) => Self {
+                ip_address: [0; 50],
+                fqdn: fqdn.as_str().into(),
+                is_fqdn: true,
+            },
+        }
+    }
+}
+
+impl<'a> From<&'a IpAddr> for RustAddress {
+    fn from(addr: &IpAddr) -> Self {
+        let mut c_addr = [0; 50];
+        let str_addr = format!("{}", addr);
+        let str_bytes = str_addr.as_bytes();
+        if str_bytes.len() < 50 {
+            c_addr[..str_bytes.len()].copy_from_slice(&str_bytes);
+        }
+        Self {
+            ip_address: c_addr,
+            fqdn: NULL_STRING,
+            is_fqdn: false,
+        }
+    }
+}
+
+#[repr(C)]
+pub struct RustExplicitlyTypedAddress {
+    address_type: RustAddressType,
+    address: RustAddress,
+}
+
+impl Default for RustExplicitlyTypedAddress {
+    fn default() -> Self {
+        Self {
+            address_type: RustAddressType::IP4,
+            address: RustAddress {
+                ip_address: [0; 50],
+                fqdn: NULL_STRING,
+                is_fqdn: false,
+            },
+        }
+    }
+}
+
+impl<'a> From<&'a ExplicitlyTypedAddress> for RustExplicitlyTypedAddress {
+    fn from(address: &ExplicitlyTypedAddress) -> Self {
+        match address {
+            ExplicitlyTypedAddress::Fqdn { domain, .. } => Self {
+                address_type: address.address_type().into(),
+                address: RustAddress {
+                    ip_address: [0; 50],
+                    fqdn: StringView::from(domain.as_str()),
+                    is_fqdn: true,
+                },
+            },
+            ExplicitlyTypedAddress::Ip(ip_address) => Self {
+                address_type: ip_address.address_type().into(),
+                address: ip_address.into(),
+            },
+        }
+    }
+}
+
+// TODO @@NG remove
+impl<'a> From<&'a Option<IpAddr>> for RustExplicitlyTypedAddress {
+    fn from(addr: &Option<IpAddr>) -> Self {
+        match *addr {
+            Some(ref x) => Self {
+                address_type: RustAddressType::from(x.address_type()),
+                address: RustAddress::from(x),
+            },
+            None => Self::default(),
+        }
+    }
+}
+
+#[repr(C)]
+pub struct RustSdpConnection {
+    pub addr: RustExplicitlyTypedAddress,
+    pub ttl: u8,
+    pub amount: u64,
+}
+
+impl<'a> From<&'a SdpConnection> for RustSdpConnection {
+    fn from(sdp_connection: &SdpConnection) -> Self {
+        let ttl = match sdp_connection.ttl {
+            Some(x) => x as u8,
+            None => 0,
+        };
+        let amount = match sdp_connection.amount {
+            Some(x) => x as u64,
+            None => 0,
+        };
+        RustSdpConnection {
+            addr: RustExplicitlyTypedAddress::from(&sdp_connection.address),
+            ttl: ttl,
+            amount: amount,
+        }
+    }
+}
+
+#[repr(C)]
+pub struct RustSdpOrigin {
+    username: StringView,
+    session_id: u64,
+    session_version: u64,
+    addr: RustExplicitlyTypedAddress,
+}
+
+fn bandwidth_match(str_bw: &str, enum_bw: &SdpBandwidth) -> bool {
+    match *enum_bw {
+        SdpBandwidth::As(_) => str_bw == "AS",
+        SdpBandwidth::Ct(_) => str_bw == "CT",
+        SdpBandwidth::Tias(_) => str_bw == "TIAS",
+        SdpBandwidth::Unknown(ref type_name, _) => str_bw == type_name,
+    }
+}
+
+fn bandwidth_value(bandwidth: &SdpBandwidth) -> u32 {
+    match *bandwidth {
+        SdpBandwidth::As(x) | SdpBandwidth::Ct(x) | SdpBandwidth::Tias(x) => x,
+        SdpBandwidth::Unknown(_, _) => 0,
+    }
+}
+
+pub unsafe fn get_bandwidth(bandwidths: &Vec<SdpBandwidth>, bandwidth_type: *const c_char) -> u32 {
+    let bw_type = match CStr::from_ptr(bandwidth_type).to_str() {
+        Ok(string) => string,
+        Err(_) => return 0,
+    };
+    for bandwidth in bandwidths.iter() {
+        if bandwidth_match(bw_type, bandwidth) {
+            return bandwidth_value(bandwidth);
+        }
+    }
+    0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_serialize_bandwidth(bw: *const Vec<SdpBandwidth>) -> *mut c_char {
+    let mut builder = String::new();
+    for bandwidth in (*bw).iter() {
+        match *bandwidth {
+            SdpBandwidth::As(val) => {
+                builder.push_str("b=AS:");
+                builder.push_str(&val.to_string());
+                builder.push_str("\r\n");
+            }
+            SdpBandwidth::Ct(val) => {
+                builder.push_str("b=CT:");
+                builder.push_str(&val.to_string());
+                builder.push_str("\r\n");
+            }
+            SdpBandwidth::Tias(val) => {
+                builder.push_str("b=TIAS:");
+                builder.push_str(&val.to_string());
+                builder.push_str("\r\n");
+            }
+            SdpBandwidth::Unknown(ref name, val) => {
+                builder.push_str("b=");
+                builder.push_str(name.as_str());
+                builder.push(':');
+                builder.push_str(&val.to_string());
+                builder.push_str("\r\n");
+            }
+        }
+    }
+    CString::from_vec_unchecked(builder.into_bytes()).into_raw()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sdp_free_string(s: *mut c_char) {
+    drop(CString::from_raw(s));
+}
+
+pub unsafe fn origin_view_helper(origin: &SdpOrigin) -> RustSdpOrigin {
+    RustSdpOrigin {
+        username: StringView::from(origin.username.as_str()),
+        session_id: origin.session_id,
+        session_version: origin.session_version,
+        addr: RustExplicitlyTypedAddress::from(&origin.unicast_addr),
+    }
+}
diff --git a/dom/media/webrtc/sdp/rsdparsa_capi/src/types.rs b/dom/media/webrtc/sdp/rsdparsa_capi/src/types.rs
new file mode 100644
index 0000000000..2522c8333d
--- /dev/null
+++ b/dom/media/webrtc/sdp/rsdparsa_capi/src/types.rs
@@ -0,0 +1,199 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use libc::size_t;
+use std::boxed::Box;
+use std::convert::TryInto;
+use std::error::Error;
+use std::ffi::CStr;
+use std::{slice, str};
+
+use nserror::{nsresult, NS_ERROR_INVALID_ARG, NS_OK};
+
+use rsdparsa::attribute_type::SdpAttributeSsrc;
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct StringView {
+    buffer: *const u8,
+    len: size_t,
+}
+
+pub const NULL_STRING: StringView = StringView {
+    buffer: 0 as *const u8,
+    len: 0,
+};
+
+impl<'a> From<&'a str> for StringView {
+    fn from(input: &str) -> StringView {
+        StringView {
+            buffer: input.as_ptr(),
+            len: input.len(),
+        }
+    }
+}
+
+impl TryInto<String> for StringView {
+    type Error = Box<dyn Error>;
+    fn try_into(self) -> Result<String, Box<dyn Error>> {
+        // This block must be unsafe as it converts a StringView, most likly provided from the
+        // C++ code, into a rust String and thus needs to operate with raw pointers.
+        let string_slice: &[u8];
+        unsafe {
+            // Add one to the length as the length passed in the StringView is the length of
+            // the string and is missing the null terminator
+            string_slice = slice::from_raw_parts(self.buffer, self.len + 1 as usize);
+        }
+
+        let c_str = match CStr::from_bytes_with_nul(string_slice) {
+            Ok(string) => string,
+            Err(x) => {
+                return Err(Box::new(x));
+            }
+        };
+
+        let str_slice: &str = match str::from_utf8(c_str.to_bytes()) {
+            Ok(string) => string,
+            Err(x) => {
+                return Err(Box::new(x));
+            }
+        };
+
+        Ok(str_slice.to_string())
+    }
+}
+
+impl<'a, T: AsRef<str>> From<&'a Option<T>> for StringView {
+    fn from(input: &Option<T>) -> StringView {
+        match *input {
+            Some(ref x) => StringView {
+                buffer: x.as_ref().as_ptr(),
+                len: x.as_ref().len(),
+            },
+            None => NULL_STRING,
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn string_vec_len(vec: *const Vec<String>) -> size_t {
+    (*vec).len() as size_t
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn string_vec_get_view(
+    vec: *const Vec<String>,
+    index: size_t,
+    ret: *mut StringView,
+) -> nsresult {
+    match (*vec).get(index) {
+        Some(ref string) => {
+            *ret = StringView::from(string.as_str());
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn free_boxed_string_vec(ptr: *mut Vec<String>) -> nsresult {
+    drop(Box::from_raw(ptr));
+    NS_OK
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn f32_vec_len(vec: *const Vec<f32>) -> size_t {
+    (*vec).len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn f32_vec_get(
+    vec: *const Vec<f32>,
+    index: size_t,
+    ret: *mut f32,
+) -> nsresult {
+    match (*vec).get(index) {
+        Some(val) => {
+            *ret = *val;
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn u32_vec_len(vec: *const Vec<u32>) -> size_t {
+    (*vec).len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn u32_vec_get(
+    vec: *const Vec<u32>,
+    index: size_t,
+    ret: *mut u32,
+) -> nsresult {
+    match (*vec).get(index) {
+        Some(val) => {
+            *ret = *val;
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn u16_vec_len(vec: *const Vec<u16>) -> size_t {
+    (*vec).len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn u16_vec_get(
+    vec: *const Vec<u16>,
+    index: size_t,
+    ret: *mut u16,
+) -> nsresult {
+    match (*vec).get(index) {
+        Some(val) => {
+            *ret = *val;
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn u8_vec_len(vec: *const Vec<u8>) -> size_t {
+    (*vec).len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn u8_vec_get(vec: *const Vec<u8>, index: size_t, ret: *mut u8) -> nsresult {
+    match (*vec).get(index) {
+        Some(val) => {
+            *ret = *val;
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn ssrc_vec_len(vec: *const Vec<SdpAttributeSsrc>) -> size_t {
+    (*vec).len()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn ssrc_vec_get_id(
+    vec: *const Vec<SdpAttributeSsrc>,
+    index: size_t,
+    ret: *mut u32,
+) -> nsresult {
+    match (*vec).get(index) {
+        Some(val) => {
+            *ret = val.id;
+            NS_OK
+        }
+        None => NS_ERROR_INVALID_ARG,
+    }
+}