gstreamer-rs/gstreamer-rtsp-sys/tests/abi.rs
2018-10-31 18:32:57 +02:00

480 lines
18 KiB
Rust

// This file was generated by gir (https://github.com/gtk-rs/gir @ 82cdb44)
// from gir-files (https://github.com/gtk-rs/gir-files @ ???)
// DO NOT EDIT
extern crate gstreamer_rtsp_sys;
extern crate shell_words;
extern crate tempdir;
use std::env;
use std::error::Error;
use std::path::Path;
use std::mem::{align_of, size_of};
use std::process::Command;
use std::str;
use gstreamer_rtsp_sys::*;
static PACKAGES: &[&str] = &["gstreamer-rtsp-1.0"];
#[derive(Clone, Debug)]
struct Compiler {
pub args: Vec<String>,
}
impl Compiler {
pub fn new() -> Result<Compiler, Box<Error>> {
let mut args = get_var("CC", "cc")?;
args.push("-Wno-deprecated-declarations".to_owned());
// For %z support in printf when using MinGW.
args.push("-D__USE_MINGW_ANSI_STDIO".to_owned());
args.extend(get_var("CFLAGS", "")?);
args.extend(get_var("CPPFLAGS", "")?);
args.extend(pkg_config_cflags(PACKAGES)?);
Ok(Compiler { args })
}
pub fn define<'a, V: Into<Option<&'a str>>>(&mut self, var: &str, val: V) {
let arg = match val.into() {
None => format!("-D{}", var),
Some(val) => format!("-D{}={}", var, val),
};
self.args.push(arg);
}
pub fn compile(&self, src: &Path, out: &Path) -> Result<(), Box<Error>> {
let mut cmd = self.to_command();
cmd.arg(src);
cmd.arg("-o");
cmd.arg(out);
let status = cmd.spawn()?.wait()?;
if !status.success() {
return Err(format!("compilation command {:?} failed, {}",
&cmd, status).into());
}
Ok(())
}
fn to_command(&self) -> Command {
let mut cmd = Command::new(&self.args[0]);
cmd.args(&self.args[1..]);
cmd
}
}
fn get_var(name: &str, default: &str) -> Result<Vec<String>, Box<Error>> {
match env::var(name) {
Ok(value) => Ok(shell_words::split(&value)?),
Err(env::VarError::NotPresent) => Ok(shell_words::split(default)?),
Err(err) => Err(format!("{} {}", name, err).into()),
}
}
fn pkg_config_cflags(packages: &[&str]) -> Result<Vec<String>, Box<Error>> {
if packages.is_empty() {
return Ok(Vec::new());
}
let mut cmd = Command::new("pkg-config");
cmd.arg("--cflags");
cmd.args(packages);
let out = cmd.output()?;
if !out.status.success() {
return Err(format!("command {:?} returned {}",
&cmd, out.status).into());
}
let stdout = str::from_utf8(&out.stdout)?;
Ok(shell_words::split(stdout.trim())?)
}
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
struct Layout {
size: usize,
alignment: usize,
}
#[derive(Copy, Clone, Debug, Default, Eq, PartialEq)]
struct Results {
/// Number of successfully completed tests.
passed: usize,
/// Total number of failed tests (including those that failed to compile).
failed: usize,
/// Number of tests that failed to compile.
failed_to_compile: usize,
}
impl Results {
fn record_passed(&mut self) {
self.passed += 1;
}
fn record_failed(&mut self) {
self.failed += 1;
}
fn record_failed_to_compile(&mut self) {
self.failed += 1;
self.failed_to_compile += 1;
}
fn summary(&self) -> String {
format!(
"{} passed; {} failed (compilation errors: {})",
self.passed,
self.failed,
self.failed_to_compile)
}
fn expect_total_success(&self) {
if self.failed == 0 {
println!("OK: {}", self.summary());
} else {
panic!("FAILED: {}", self.summary());
};
}
}
#[test]
fn cross_validate_constants_with_c() {
let tmpdir = tempdir::TempDir::new("abi").expect("temporary directory");
let cc = Compiler::new().expect("configured compiler");
assert_eq!("1",
get_c_value(tmpdir.path(), &cc, "1").expect("C constant"),
"failed to obtain correct constant value for 1");
let mut results : Results = Default::default();
for (i, &(name, rust_value)) in RUST_CONSTANTS.iter().enumerate() {
match get_c_value(tmpdir.path(), &cc, name) {
Err(e) => {
results.record_failed_to_compile();
eprintln!("{}", e);
},
Ok(ref c_value) => {
if rust_value == c_value {
results.record_passed();
} else {
results.record_failed();
eprintln!("Constant value mismatch for {}\nRust: {:?}\nC: {:?}",
name, rust_value, c_value);
}
}
};
if (i + 1) % 25 == 0 {
println!("constants ... {}", results.summary());
}
}
results.expect_total_success();
}
#[test]
fn cross_validate_layout_with_c() {
let tmpdir = tempdir::TempDir::new("abi").expect("temporary directory");
let cc = Compiler::new().expect("configured compiler");
assert_eq!(Layout {size: 1, alignment: 1},
get_c_layout(tmpdir.path(), &cc, "char").expect("C layout"),
"failed to obtain correct layout for char type");
let mut results : Results = Default::default();
for (i, &(name, rust_layout)) in RUST_LAYOUTS.iter().enumerate() {
match get_c_layout(tmpdir.path(), &cc, name) {
Err(e) => {
results.record_failed_to_compile();
eprintln!("{}", e);
},
Ok(c_layout) => {
if rust_layout == c_layout {
results.record_passed();
} else {
results.record_failed();
eprintln!("Layout mismatch for {}\nRust: {:?}\nC: {:?}",
name, rust_layout, &c_layout);
}
}
};
if (i + 1) % 25 == 0 {
println!("layout ... {}", results.summary());
}
}
results.expect_total_success();
}
fn get_c_layout(dir: &Path, cc: &Compiler, name: &str) -> Result<Layout, Box<Error>> {
let exe = dir.join("layout");
let mut cc = cc.clone();
cc.define("ABI_TYPE_NAME", name);
cc.compile(Path::new("tests/layout.c"), &exe)?;
let mut abi_cmd = Command::new(exe);
let output = abi_cmd.output()?;
if !output.status.success() {
return Err(format!("command {:?} failed, {:?}",
&abi_cmd, &output).into());
}
let stdout = str::from_utf8(&output.stdout)?;
let mut words = stdout.trim().split_whitespace();
let size = words.next().unwrap().parse().unwrap();
let alignment = words.next().unwrap().parse().unwrap();
Ok(Layout {size, alignment})
}
fn get_c_value(dir: &Path, cc: &Compiler, name: &str) -> Result<String, Box<Error>> {
let exe = dir.join("constant");
let mut cc = cc.clone();
cc.define("ABI_CONSTANT_NAME", name);
cc.compile(Path::new("tests/constant.c"), &exe)?;
let mut abi_cmd = Command::new(exe);
let output = abi_cmd.output()?;
if !output.status.success() {
return Err(format!("command {:?} failed, {:?}",
&abi_cmd, &output).into());
}
Ok(str::from_utf8(&output.stdout)?.trim().to_owned())
}
const RUST_LAYOUTS: &[(&str, Layout)] = &[
("GstRTSPAuthCredential", Layout {size: size_of::<GstRTSPAuthCredential>(), alignment: align_of::<GstRTSPAuthCredential>()}),
("GstRTSPAuthMethod", Layout {size: size_of::<GstRTSPAuthMethod>(), alignment: align_of::<GstRTSPAuthMethod>()}),
("GstRTSPAuthParam", Layout {size: size_of::<GstRTSPAuthParam>(), alignment: align_of::<GstRTSPAuthParam>()}),
("GstRTSPEvent", Layout {size: size_of::<GstRTSPEvent>(), alignment: align_of::<GstRTSPEvent>()}),
("GstRTSPExtensionInterface", Layout {size: size_of::<GstRTSPExtensionInterface>(), alignment: align_of::<GstRTSPExtensionInterface>()}),
("GstRTSPFamily", Layout {size: size_of::<GstRTSPFamily>(), alignment: align_of::<GstRTSPFamily>()}),
("GstRTSPHeaderField", Layout {size: size_of::<GstRTSPHeaderField>(), alignment: align_of::<GstRTSPHeaderField>()}),
("GstRTSPLowerTrans", Layout {size: size_of::<GstRTSPLowerTrans>(), alignment: align_of::<GstRTSPLowerTrans>()}),
("GstRTSPMessage", Layout {size: size_of::<GstRTSPMessage>(), alignment: align_of::<GstRTSPMessage>()}),
("GstRTSPMethod", Layout {size: size_of::<GstRTSPMethod>(), alignment: align_of::<GstRTSPMethod>()}),
("GstRTSPMsgType", Layout {size: size_of::<GstRTSPMsgType>(), alignment: align_of::<GstRTSPMsgType>()}),
("GstRTSPProfile", Layout {size: size_of::<GstRTSPProfile>(), alignment: align_of::<GstRTSPProfile>()}),
("GstRTSPRange", Layout {size: size_of::<GstRTSPRange>(), alignment: align_of::<GstRTSPRange>()}),
("GstRTSPRangeUnit", Layout {size: size_of::<GstRTSPRangeUnit>(), alignment: align_of::<GstRTSPRangeUnit>()}),
("GstRTSPResult", Layout {size: size_of::<GstRTSPResult>(), alignment: align_of::<GstRTSPResult>()}),
("GstRTSPState", Layout {size: size_of::<GstRTSPState>(), alignment: align_of::<GstRTSPState>()}),
("GstRTSPStatusCode", Layout {size: size_of::<GstRTSPStatusCode>(), alignment: align_of::<GstRTSPStatusCode>()}),
("GstRTSPTime", Layout {size: size_of::<GstRTSPTime>(), alignment: align_of::<GstRTSPTime>()}),
("GstRTSPTime2", Layout {size: size_of::<GstRTSPTime2>(), alignment: align_of::<GstRTSPTime2>()}),
("GstRTSPTimeRange", Layout {size: size_of::<GstRTSPTimeRange>(), alignment: align_of::<GstRTSPTimeRange>()}),
("GstRTSPTimeType", Layout {size: size_of::<GstRTSPTimeType>(), alignment: align_of::<GstRTSPTimeType>()}),
("GstRTSPTransMode", Layout {size: size_of::<GstRTSPTransMode>(), alignment: align_of::<GstRTSPTransMode>()}),
("GstRTSPTransport", Layout {size: size_of::<GstRTSPTransport>(), alignment: align_of::<GstRTSPTransport>()}),
("GstRTSPUrl", Layout {size: size_of::<GstRTSPUrl>(), alignment: align_of::<GstRTSPUrl>()}),
("GstRTSPVersion", Layout {size: size_of::<GstRTSPVersion>(), alignment: align_of::<GstRTSPVersion>()}),
("GstRTSPWatchFuncs", Layout {size: size_of::<GstRTSPWatchFuncs>(), alignment: align_of::<GstRTSPWatchFuncs>()}),
];
const RUST_CONSTANTS: &[(&str, &str)] = &[
("GST_RTSP_ANNOUNCE", "2"),
("GST_RTSP_AUTH_BASIC", "1"),
("GST_RTSP_AUTH_DIGEST", "2"),
("GST_RTSP_AUTH_NONE", "0"),
("GST_RTSP_DEFAULT_PORT", "554"),
("GST_RTSP_DESCRIBE", "1"),
("GST_RTSP_EEOF", "-11"),
("GST_RTSP_EINTR", "-3"),
("GST_RTSP_EINVAL", "-2"),
("GST_RTSP_ELAST", "-17"),
("GST_RTSP_ENET", "-12"),
("GST_RTSP_ENOMEM", "-4"),
("GST_RTSP_ENOTIMPL", "-6"),
("GST_RTSP_ENOTIP", "-13"),
("GST_RTSP_EPARSE", "-8"),
("GST_RTSP_ERESOLV", "-5"),
("GST_RTSP_ERROR", "-1"),
("GST_RTSP_ESYS", "-7"),
("GST_RTSP_ETGET", "-15"),
("GST_RTSP_ETIMEOUT", "-14"),
("GST_RTSP_ETPOST", "-16"),
("GST_RTSP_EV_READ", "1"),
("GST_RTSP_EV_WRITE", "2"),
("GST_RTSP_EWSASTART", "-9"),
("GST_RTSP_EWSAVERSION", "-10"),
("GST_RTSP_FAM_INET", "1"),
("GST_RTSP_FAM_INET6", "2"),
("GST_RTSP_FAM_NONE", "0"),
("GST_RTSP_GET", "2048"),
("GST_RTSP_GET_PARAMETER", "4"),
("GST_RTSP_HDR_ACCEPT", "1"),
("GST_RTSP_HDR_ACCEPT_CHARSET", "56"),
("GST_RTSP_HDR_ACCEPT_ENCODING", "2"),
("GST_RTSP_HDR_ACCEPT_LANGUAGE", "3"),
("GST_RTSP_HDR_ACCEPT_RANGES", "86"),
("GST_RTSP_HDR_ALERT", "45"),
("GST_RTSP_HDR_ALLOW", "4"),
("GST_RTSP_HDR_AUTHENTICATION_INFO", "76"),
("GST_RTSP_HDR_AUTHORIZATION", "5"),
("GST_RTSP_HDR_BANDWIDTH", "6"),
("GST_RTSP_HDR_BLOCKSIZE", "7"),
("GST_RTSP_HDR_CACHE_CONTROL", "8"),
("GST_RTSP_HDR_CLIENT_CHALLENGE", "40"),
("GST_RTSP_HDR_CLIENT_ID", "46"),
("GST_RTSP_HDR_COMPANY_ID", "47"),
("GST_RTSP_HDR_CONFERENCE", "9"),
("GST_RTSP_HDR_CONNECTION", "10"),
("GST_RTSP_HDR_CONTENT_BASE", "11"),
("GST_RTSP_HDR_CONTENT_ENCODING", "12"),
("GST_RTSP_HDR_CONTENT_LANGUAGE", "13"),
("GST_RTSP_HDR_CONTENT_LENGTH", "14"),
("GST_RTSP_HDR_CONTENT_LOCATION", "15"),
("GST_RTSP_HDR_CONTENT_TYPE", "16"),
("GST_RTSP_HDR_CSEQ", "17"),
("GST_RTSP_HDR_DATE", "18"),
("GST_RTSP_HDR_ETAG", "54"),
("GST_RTSP_HDR_EXPIRES", "19"),
("GST_RTSP_HDR_FROM", "20"),
("GST_RTSP_HDR_GUID", "48"),
("GST_RTSP_HDR_HOST", "77"),
("GST_RTSP_HDR_IF_MATCH", "55"),
("GST_RTSP_HDR_IF_MODIFIED_SINCE", "21"),
("GST_RTSP_HDR_INVALID", "0"),
("GST_RTSP_HDR_KEYMGMT", "82"),
("GST_RTSP_HDR_LANGUAGE", "51"),
("GST_RTSP_HDR_LAST", "87"),
("GST_RTSP_HDR_LAST_MODIFIED", "22"),
("GST_RTSP_HDR_LOCATION", "53"),
("GST_RTSP_HDR_MAX_ASM_WIDTH", "50"),
("GST_RTSP_HDR_MEDIA_PROPERTIES", "84"),
("GST_RTSP_HDR_PIPELINED_REQUESTS", "83"),
("GST_RTSP_HDR_PLAYER_START_TIME", "52"),
("GST_RTSP_HDR_PRAGMA", "78"),
("GST_RTSP_HDR_PROXY_AUTHENTICATE", "23"),
("GST_RTSP_HDR_PROXY_REQUIRE", "24"),
("GST_RTSP_HDR_PUBLIC", "25"),
("GST_RTSP_HDR_RANGE", "26"),
("GST_RTSP_HDR_REAL_CHALLENGE1", "41"),
("GST_RTSP_HDR_REAL_CHALLENGE2", "42"),
("GST_RTSP_HDR_REAL_CHALLENGE3", "43"),
("GST_RTSP_HDR_REFERER", "27"),
("GST_RTSP_HDR_REGION_DATA", "49"),
("GST_RTSP_HDR_REQUIRE", "28"),
("GST_RTSP_HDR_RETRY_AFTER", "29"),
("GST_RTSP_HDR_RTCP_INTERVAL", "81"),
("GST_RTSP_HDR_RTP_INFO", "30"),
("GST_RTSP_HDR_SCALE", "31"),
("GST_RTSP_HDR_SEEK_STYLE", "85"),
("GST_RTSP_HDR_SERVER", "33"),
("GST_RTSP_HDR_SESSION", "32"),
("GST_RTSP_HDR_SPEED", "34"),
("GST_RTSP_HDR_SUBSCRIBE", "44"),
("GST_RTSP_HDR_SUPPORTED", "57"),
("GST_RTSP_HDR_TIMESTAMP", "75"),
("GST_RTSP_HDR_TRANSPORT", "35"),
("GST_RTSP_HDR_UNSUPPORTED", "36"),
("GST_RTSP_HDR_USER_AGENT", "37"),
("GST_RTSP_HDR_VARY", "58"),
("GST_RTSP_HDR_VIA", "38"),
("GST_RTSP_HDR_WWW_AUTHENTICATE", "39"),
("GST_RTSP_HDR_X_ACCELERATE_STREAMING", "59"),
("GST_RTSP_HDR_X_ACCEPT_AUTHENT", "60"),
("GST_RTSP_HDR_X_ACCEPT_PROXY_AUTHENT", "61"),
("GST_RTSP_HDR_X_BROADCAST_ID", "62"),
("GST_RTSP_HDR_X_BURST_STREAMING", "63"),
("GST_RTSP_HDR_X_NOTICE", "64"),
("GST_RTSP_HDR_X_PLAYER_LAG_TIME", "65"),
("GST_RTSP_HDR_X_PLAYLIST", "66"),
("GST_RTSP_HDR_X_PLAYLIST_CHANGE_NOTICE", "67"),
("GST_RTSP_HDR_X_PLAYLIST_GEN_ID", "68"),
("GST_RTSP_HDR_X_PLAYLIST_SEEK_ID", "69"),
("GST_RTSP_HDR_X_PROXY_CLIENT_AGENT", "70"),
("GST_RTSP_HDR_X_PROXY_CLIENT_VERB", "71"),
("GST_RTSP_HDR_X_RECEDING_PLAYLISTCHANGE", "72"),
("GST_RTSP_HDR_X_RTP_INFO", "73"),
("GST_RTSP_HDR_X_SERVER_IP_ADDRESS", "79"),
("GST_RTSP_HDR_X_SESSIONCOOKIE", "80"),
("GST_RTSP_HDR_X_STARTUPPROFILE", "74"),
("GST_RTSP_INVALID", "0"),
("GST_RTSP_LOWER_TRANS_HTTP", "16"),
("GST_RTSP_LOWER_TRANS_TCP", "4"),
("GST_RTSP_LOWER_TRANS_TLS", "32"),
("GST_RTSP_LOWER_TRANS_UDP", "1"),
("GST_RTSP_LOWER_TRANS_UDP_MCAST", "2"),
("GST_RTSP_LOWER_TRANS_UNKNOWN", "0"),
("GST_RTSP_MESSAGE_DATA", "5"),
("GST_RTSP_MESSAGE_HTTP_REQUEST", "3"),
("GST_RTSP_MESSAGE_HTTP_RESPONSE", "4"),
("GST_RTSP_MESSAGE_INVALID", "0"),
("GST_RTSP_MESSAGE_REQUEST", "1"),
("GST_RTSP_MESSAGE_RESPONSE", "2"),
("GST_RTSP_OK", "0"),
("GST_RTSP_OPTIONS", "8"),
("GST_RTSP_PAUSE", "16"),
("GST_RTSP_PLAY", "32"),
("GST_RTSP_POST", "4096"),
("GST_RTSP_PROFILE_AVP", "1"),
("GST_RTSP_PROFILE_AVPF", "4"),
("GST_RTSP_PROFILE_SAVP", "2"),
("GST_RTSP_PROFILE_SAVPF", "8"),
("GST_RTSP_PROFILE_UNKNOWN", "0"),
("GST_RTSP_RANGE_CLOCK", "4"),
("GST_RTSP_RANGE_NPT", "3"),
("GST_RTSP_RANGE_SMPTE", "0"),
("GST_RTSP_RANGE_SMPTE_25", "2"),
("GST_RTSP_RANGE_SMPTE_30_DROP", "1"),
("GST_RTSP_RECORD", "64"),
("GST_RTSP_REDIRECT", "128"),
("GST_RTSP_SETUP", "256"),
("GST_RTSP_SET_PARAMETER", "512"),
("GST_RTSP_STATE_INIT", "1"),
("GST_RTSP_STATE_INVALID", "0"),
("GST_RTSP_STATE_PLAYING", "4"),
("GST_RTSP_STATE_READY", "2"),
("GST_RTSP_STATE_RECORDING", "5"),
("GST_RTSP_STATE_SEEKING", "3"),
("GST_RTSP_STS_AGGREGATE_OPERATION_NOT_ALLOWED", "459"),
("GST_RTSP_STS_BAD_GATEWAY", "502"),
("GST_RTSP_STS_BAD_REQUEST", "400"),
("GST_RTSP_STS_CONFERENCE_NOT_FOUND", "452"),
("GST_RTSP_STS_CONTINUE", "100"),
("GST_RTSP_STS_CREATED", "201"),
("GST_RTSP_STS_DESTINATION_UNREACHABLE", "462"),
("GST_RTSP_STS_FORBIDDEN", "403"),
("GST_RTSP_STS_GATEWAY_TIMEOUT", "504"),
("GST_RTSP_STS_GONE", "410"),
("GST_RTSP_STS_HEADER_FIELD_NOT_VALID_FOR_RESOURCE", "456"),
("GST_RTSP_STS_INTERNAL_SERVER_ERROR", "500"),
("GST_RTSP_STS_INVALID", "0"),
("GST_RTSP_STS_INVALID_RANGE", "457"),
("GST_RTSP_STS_KEY_MANAGEMENT_FAILURE", "463"),
("GST_RTSP_STS_LENGTH_REQUIRED", "411"),
("GST_RTSP_STS_LOW_ON_STORAGE", "250"),
("GST_RTSP_STS_METHOD_NOT_ALLOWED", "405"),
("GST_RTSP_STS_METHOD_NOT_VALID_IN_THIS_STATE", "455"),
("GST_RTSP_STS_MOVED_PERMANENTLY", "301"),
("GST_RTSP_STS_MOVE_TEMPORARILY", "302"),
("GST_RTSP_STS_MULTIPLE_CHOICES", "300"),
("GST_RTSP_STS_NOT_ACCEPTABLE", "406"),
("GST_RTSP_STS_NOT_ENOUGH_BANDWIDTH", "453"),
("GST_RTSP_STS_NOT_FOUND", "404"),
("GST_RTSP_STS_NOT_IMPLEMENTED", "501"),
("GST_RTSP_STS_NOT_MODIFIED", "304"),
("GST_RTSP_STS_OK", "200"),
("GST_RTSP_STS_ONLY_AGGREGATE_OPERATION_ALLOWED", "460"),
("GST_RTSP_STS_OPTION_NOT_SUPPORTED", "551"),
("GST_RTSP_STS_PARAMETER_IS_READONLY", "458"),
("GST_RTSP_STS_PARAMETER_NOT_UNDERSTOOD", "451"),
("GST_RTSP_STS_PAYMENT_REQUIRED", "402"),
("GST_RTSP_STS_PRECONDITION_FAILED", "412"),
("GST_RTSP_STS_PROXY_AUTH_REQUIRED", "407"),
("GST_RTSP_STS_REQUEST_ENTITY_TOO_LARGE", "413"),
("GST_RTSP_STS_REQUEST_TIMEOUT", "408"),
("GST_RTSP_STS_REQUEST_URI_TOO_LARGE", "414"),
("GST_RTSP_STS_RTSP_VERSION_NOT_SUPPORTED", "505"),
("GST_RTSP_STS_SEE_OTHER", "303"),
("GST_RTSP_STS_SERVICE_UNAVAILABLE", "503"),
("GST_RTSP_STS_SESSION_NOT_FOUND", "454"),
("GST_RTSP_STS_UNAUTHORIZED", "401"),
("GST_RTSP_STS_UNSUPPORTED_MEDIA_TYPE", "415"),
("GST_RTSP_STS_UNSUPPORTED_TRANSPORT", "461"),
("GST_RTSP_STS_USE_PROXY", "305"),
("GST_RTSP_TEARDOWN", "1024"),
("GST_RTSP_TIME_END", "2"),
("GST_RTSP_TIME_FRAMES", "3"),
("GST_RTSP_TIME_NOW", "1"),
("GST_RTSP_TIME_SECONDS", "0"),
("GST_RTSP_TIME_UTC", "4"),
("GST_RTSP_TRANS_RDT", "2"),
("GST_RTSP_TRANS_RTP", "1"),
("GST_RTSP_TRANS_UNKNOWN", "0"),
("GST_RTSP_VERSION_1_0", "16"),
("GST_RTSP_VERSION_1_1", "17"),
("GST_RTSP_VERSION_2_0", "32"),
("GST_RTSP_VERSION_INVALID", "0"),
];