## next

*   BREAKING: remove deprecated `retina::client::Session<Playing>::teardown` and
    `retina::client::Demuxed::teardown`; made private some items already
    `#[doc(hidden)]`.
*   BREAKING: `retina::client::Session<Described>::setup` takes a new
    `SetupOptions` argument for future expansion.
*   BREAKING: the transport to use is configured per-stream as part of
    `retina::SetupOptions` (rather than the prior `retina::SessionOptions`) and
    takes per-transport options for future expansion.
*   BREAKING: `retina::StreamContext` has been split out of
    `retina::PacketContext`. Both must be printed to provide the same
    information as before. This change reduces how much data needs to be copied
    with each packet.
*   BREAKING: `PacketItem` and `CodecItem` are now `#[non_exhaustive]` for
    future expansion.
*   BREAKING: `retina::client::rtp::Packet` is now
    `retina::rtp::ReceivedPacket`, and field access has been removed in favor
    of accessors.
*   BREAKING: `retina::client::PacketItem::RtpPacket` has been renamed to
    `retina::client::PacketItem::Rtp`.
*   BREAKING: `retina::client::PacketItem::SenderReport` has been replaced with
    `retina::client::PacketItem::Rtcp`, to expose full RTCP compound packets.
    Likewise `retina::codec::CodecItem`.
*   minimum Rust version is now 1.56.

## `v0.3.9` (2022-04-12)

*   camera interop: eliminate `bad clockrate in rtpmap` errors with cameras that
    (incorrectly) add trailing spaces to this SDP parameter, as described at
    [scottlamb/moonfire-nvr#213](https://github.com/scottlamb/moonfire-nvr/issues/213#issue-1190760423).
*   camera interop: allow ignoring RTSP interleaved data messages on unassigned
    channels, also described at [scottlamb-moonfire-nvr#213](https://github.com/scottlamb/moonfire-nvr/issues/213#issuecomment-1089411093).
*   camera interop: when using TCP, default to attempting a `TEARDOWN`  before
    closing the connection, to improve behavior with cameras that have the
    live555 stale session bug but do not advertise it.
*   clarify `Session`'s expectations for tokio runtimes.
*   additional diagnostics/logging on certain camera failures.

## `v0.3.8` (2022-03-08)

*   fix depacketization of fragmented AAC frames
*   [#52](https://github.com/scottlamb/retina/issues/52): allow compatibility
    with cameras that incorrectly omit the SDP origin line.
*   fix panic if RTSP server precedes a data message with a CRLF.
*   expose SDP framerate via `retina::client::Stream::framerate`.

## `v0.3.7` (2022-01-28)

*   [#50](https://github.com/scottlamb/retina/pull/50): fix a panic on certain
    invalid H.264 `sprop-parameter-sets`
*   documentation improvements

## `v0.3.6` (2021-12-29)

*   correctly expire stale session entries that track live555 stale file
    descriptor sessions.
    See [moonfire-nvr#184](https://github.com/scottlamb/moonfire-nvr/issues/184).
*   ignore (rather than error on) spurious RTP data packets between the `PLAY`
    request and response. These are sent by some versions of
    [v4l2rtspserver](https://github.com/mpromonet/v4l2rtspserver).

## `v0.3.5` (2021-11-30)

*   [#42](https://github.com/scottlamb/retina/issues/42): support servers that
    don't send out-of-band H.264 parameters or send invalid parameters; wait for
    in-band parameters in this case. The in-band parameters must be valid.
*   documentation improvements.

## `v0.3.4` (2021-10-26)

*   use `rtsp-types` 0.0.3, and thus `nom` 7.0.

## `v0.3.3` (2021-10-20)

*   [#25](https://github.com/scottlamb/retina/issues/25): better HTTP
    authentication support via the new [`http-auth`
    crate](https://crates.io/crates/http-auth). Before, `retina` would only
    authenticate properly if the first requested challenge was `Digest`. Now, it
    will pick out a `Digest` or `Basic` challenge from a list.

## `v0.3.2` (2021-09-29)

*   better `TEARDOWN` handling, which often avoids the need to wait for session
    expiration ([(#34](https://github.com/scottlamb/retina/issues/34)).

## `v0.3.1` (2021-09-09)

*   warn when connecting via TCP to a known-broken live555 server version.
*   improve Geovision compatibility by skipping its strange RTP packets with
    payload type 50.
*   UDP fixes.
*   improve compatibility with cameras with non-compliant SDP, including
    Anpviz ([#26](https://github.com/scottlamb/retina/issues/26) and
    Geovision ([#33])(https://github.com/scottlamb/retina/issues/33)).
*   new mechanism to more reliably send `TEARDOWN` requests.

## `v0.3.0` (2021-08-31)

*   BREAKING CHANGE: [#30](https://github.com/scottlamb/retina/issues/30):
    experimental UDP support. Several `RtspMessageContext` fields have been
    replaced with `PacketContext`.
*   BREAKING CHANGE: remove `retina::client::SessionOptions::ignore_spurious_data`. This
    was an attempted workaround for old live555 servers
    ([#17](https://github.com/scottlamb/retina/issues/17)) that was ineffective.
*   [#22](https://github.com/scottlamb/retina/issues/22): fix handling of
    44.1 kHz AAC audio.

## `v0.2.0` (2021-08-20)

*   BREAKING CHANGE: `retina::client::Session::describe` now takes a new
    `options: SessionOptions`. The `creds` has moved into the `options`, along
    with some new options.
*   BREAKING CHANGE: renamed `PlayPolicy` to `PlayOptions` for consistency.
*   Added options to work around bugs found in Reolink cameras.
*   [#9](https://github.com/scottlamb/retina/issues/9). Improve compatibility
    with how some cameras handle the `control` and `RTP-Info` urls. This
    adopts a URL joining behavior which isn't RFC-compliant but seems to
    be more compatible in practice.

## `v0.1.0` (2021-08-13)

*   use `SET_PARAMETERS` rather than `GET_PARAMETERS` for keepalives.
    The latter doesn't work with GW Security GW4089IP cameras.
*   removed `rtcp` dependency. Fixes
    [#8](https://github.com/scottlamb/retina/issues/8). Avoids picking up
    various transitive dependencies needed by later versions of the `rtcp`
    crate, including `tokio`. (`retina`'s own `tokio` dependency will likely
    become optional in a future version.)

## `v0.0.5` (2021-07-08)

*   BREAKING CHANGE: New opaque error type with more uniform, richer error
    messages. No more `failure` dependency.
*   BREAKING CHANGE: `retina::client::Stream::parameters` now returns parameters
    by value. This allows shrinking depacketizer types.
*   BREAKING CHANGE: `retina::codec::VideoFrame::new_parameters` is now boxed.
    This allows shrinking `VideoFrame` and `CodecItem` by 80 bytes each (on
    64-bit platforms). The box is only rarely populated.
*   in `client mp4` example, handle an initial video parameter change correctly.

## `v0.0.4` (2021-06-28)

*   bugfix: Retina stopped receiving packets after receiving a keepalive response.

## `v0.0.3` (2021-06-28)

*   BREAKING CHANGE: `Session<Playing>` now directly implements `Stream` instead of
    through `pkts()`.
*   Performance improvements.

## `v0.0.2` (2021-06-25)

*   BREAKING CHANGE: Video frames are now provided as a single, contiguous `Bytes`, and
    H.264 depacketization is more efficient ([#4](https://github.com/scottlamb/retina/issues/4)).

## `v0.0.1` (2021-06-09)

Initial release.