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r2.14.1 #9045

Merged
merged 48 commits into from
Jun 14, 2021
Merged

r2.14.1 #9045

merged 48 commits into from
Jun 14, 2021

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ojw28
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@ojw28 ojw28 commented Jun 10, 2021

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kim-vde and others added 30 commits June 6, 2021 23:15
#minor-release

PiperOrigin-RevId: 373410795
#minor-release

PiperOrigin-RevId: 374235979
Gradle warns against passing a relative path to `new File(String)`:
https://docs.gradle.org/current/userguide/working_with_files.html#sec:single_file_paths

This change fixes all usages of `exoplayerRoot` to pass it to Gradle's
`Project.file()` first, which returns an absolute `File`.

To reproduce the problem in Issue: #8927:
1. Checkout ExoPlayer git project, to e.g. `~/ExoPlayer/exoplayer-git`
2. Create a new Android Studio project in e.g. `~/AndroidStudioProjects/exoplayer-test`
3. Edit the new project's `settings.gradle` file as described in
   https://github.com/google/ExoPlayer/blob/release-v2/README.md
   using a relative path for `exoplayerRoot`:
   ```
   gradle.ext.exoplayerRoot = '../../ExoPlayer/exoplayer-git'
   ```
4. In a shell:
   ```bash
   $ cd ~/AndroidStudioProjects/exoplayer-test/app
   $ ../gradlew build
   ```

(Step 4 is important, it seems running `./gradlew` from the project root
doesn't trigger the relative path problem)

This change fixes the problem, and also works with `exoplayerRoot` as a
`File` or `Path` object. `String`, `File` and `Path` all work with relative or
absolute paths:
```
gradle.ext.exoplayerRoot = '/home/ibaker/ExoPlayer/exoplayer-git'
gradle.ext.exoplayerRoot = '../../ExoPlayer/exoplayer-git'
gradle.ext.exoplayerRoot = new File('/home/ibaker/ExoPlayer/exoplayer-git')
gradle.ext.exoplayerRoot = new File('../../ExoPlayer/exoplayer-git')
gradle.ext.exoplayerRoot = Paths.get('/home/ibaker/ExoPlayer/exoplayer-git')
gradle.ext.exoplayerRoot = Paths.get('../../ExoPlayer/exoplayer-git')
```

Note: The Path versions above require importing `java.nio.file.Paths`
and changing the `apply from:` line in the project's settings.gradle
file to something like:
```
apply from: file(gradle.ext.exoplayerRoot.resolve('core_settings.gradle'))
```
It's assumed that a project wanting to pass a `Path` will make these
changes.

Issue: #8927
PiperOrigin-RevId: 374421627
#minor-release

PiperOrigin-RevId: 374433331
Preload chunks may still need to be discarded. However, we don't
currently support discarding spliced-in chunks. Thus, we need to
avoid loadng a preload chunk that needs to be spliced-in.

Issue: #8937

#minor-release

PiperOrigin-RevId: 374851661
We need to avoid reading and skipping into preload chunks as they
may need to be discarded. The current code iterates over all chunks,
but this can be simplified by just checking the last chunk knowing
that the preload chunk must always be the last one.

As a result, we avoid calling getFirstSampleIndex on all chunks. This
is a bug since the method is not allowed to be called for chunks
that have been spliced in. This still leaves the smaller issue of
potentially calling this method for spliced-in preload chunks, which
will be solved separately.

Issue: #8937

PiperOrigin-RevId: 375053638
Its absence seems to have caused
#8969.

#minor-release

PiperOrigin-RevId: 375058222
#minor-release

PiperOrigin-RevId: 375097412
#minor-release

PiperOrigin-RevId: 375435339
Without this the Cue isn't deeply immutable, which can be a bit
surprising.

PiperOrigin-RevId: 375477571
#minor-release

PiperOrigin-RevId: 375674759
Currently acquireSession() fails with an NPE from
checkNotNull(exoMediaDrm). A follow-up change will result in exoMediaDrm
sometimes being non-null while prepareCount==0 (and in this case we
still want acquireSession() to fail).

preacquireSession() doesn't currently fail in a way the caller can
observe - the same NPE is thrown, but asynchronously and it doesn't
propagate out of the background thread. Throwing directly seems
preferable since it's a clear bug to be trying to preacquire sessions
from an unprepared/released manager.

PiperOrigin-RevId: 375906450
Some RTSP servers will offer multiple WWW-Authenticate options. We wanted to
be able to pick them up.

#minor-release

PiperOrigin-RevId: 375907276
Previously, RTSP interleaved binary data is posted onto the playback thread
for handling, the playback thread then adds the received data to a queue.
A loader thread will later dequeue the data and process it.

In this CL, the binary data is sent through a separate listener, on
RtspMessageChannel's RTSP receiving thread.

#minor-release

PiperOrigin-RevId: 375907609
The callbacks received RTSP messages and RTSP sending errors are now invoked
directly from RtspMessageChannel's internal threads. It's up to the handler
implementation to decide which thread to handle the messages.

#minor-release

PiperOrigin-RevId: 375908282
The method openSocket in RtspMessageChannel does not actually open a socket.
The 'open' term refers more to opening the message channel.

#minor-release

PiperOrigin-RevId: 375908999
Issue: #8985
#minor-release
PiperOrigin-RevId: 375913914
Authentication sequence in RTSP:

- Server replies "Unauthorized" to our DESCRIBE request, and includes the
  necessary information (i.e. realm, digest nonce, etc) in WWW-Authenticate
  header

- After `RtspClient` receives the response, we

  - Parse the WWW-Authenticate header, stores the auth info. The info is saved
    for all further RTSP requests (that all need to carry authorization headers)
  - send the second DESCRIBE request with the Authorization header.

#minor-release

PiperOrigin-RevId: 376116302
The docs on setLicenseUri say it's optional, and it has been since
379cd8a
(which should have changed this javadoc too)

#minor-release

PiperOrigin-RevId: 376139158
Many of the setters are ignored unless others are set - this change:
* Lists these conditions exhaustively.
* Uses more concise language to avoid overshadowing the main details
  of what the setter sets.
* Tweaks the language from 'is ignored' to 'shouldn't be called', to
  open up the future possibility of throwing an error if these are
  called without the 'required' setter also being present (see
  Issue: #8957).

#minor-release

PiperOrigin-RevId: 376162385
In a follow-up change I will add an additional test to ensure these
events continue to be correctly handled when DefaultDrmSessionManager
has prepareCount==0 but a non-null ExoMediaDrm instance.

PiperOrigin-RevId: 376190225
This change introduces a third 'state' for `DefaultDrmSessionManager`:
It's been fully released (prepareCount == 0) but at least one of its
sessions is still active.

In this state new acquisitions are rejected (`(pre)acquireSession()`
calls will fail) but the machinery to support the existing sessions
(ExoMediaDrm and MediaDrmHandler) is kept until they're all released.

This change will allow us to remove the TODO in MediaCodecRenderer
that resolves Issue: #8842.

PiperOrigin-RevId: 376193952
A renderer is disabled (without being reset) in two situations:
* When transitioning into a period that starts with a discontinuity
* When stopping the player with setForegroundMode(true)

Before this change the behaviour of `MediaCodecRenderer` when disabled
(but not reset) depended on whether the content being decoded had an
associated `DrmSession`:
* For content without an associated DRM session the MediaCodec instance
  was kept alive.
* For content with an associated DRM session, the MediaCodec instance
  was released. This was to prevent the DRM session from staying alive
  and continuing to make license refresh network requests while the
  player was stopped in 'foreground mode'.

This change removes the second bullet, and keeps MediaCodec instances
alive in both the secure and insecure case. This will result in the
DRM machinery making occasional license refresh network requests (at
a frequency defined by the license policy) while the player is stopped
and in 'foreground mode'. This network usage is considered to be a
'limited resource' as described by the `ExoPlayer#setForegroundMode`
javadoc.

This means that switches between secure content (or between secure and
clear content when `MediaItem.drmConfiguration.sessionForClearTypes`
indicates a secure decoder should be used for clear content) should
keep the same video decoder, thus avoiding the 'black flash' that occurs
on some devices when switching the surface away from a secure decoder.

Issue: #8842

#minor-release

PiperOrigin-RevId: 376825501
#minor-release

PiperOrigin-RevId: 377001305
claincly and others added 15 commits June 6, 2021 23:38
Related to: Issue: #9010

Profile-level-id (Format.codecs) can be generated from SPS if SDP does not
include it.

#minor-release

PiperOrigin-RevId: 377251211
#minor-release

PiperOrigin-RevId: 377269770
`SurfaceTexture` provides a transform matrix with each buffer. Previously
gldemo ignored this but it is important to apply it to have the video render
properly.

The transformation matrix from the surface texture includes flipping so this
change removes the hard-coded flipping from `a_texcoord`.

Issue: #8992

#minor-release

PiperOrigin-RevId: 377271389
Also added test cases covering this.

PiperOrigin-RevId: 374218514
Related to Issue: #8941.

RTSP message body's format is not regulated by the RTSP spec, meaning it can
use either CRLF or LF as its line terminator. The old code assumes every line
ends with CRLF (RTSP message and the message body); the new code will rely on
the Content-Length information to receive the bytes for the message body.

#minor-release

PiperOrigin-RevId: 377475565
#minor-release

PiperOrigin-RevId: 377476603
The old version's retry logic will not work if using authentication.
Specifically, we use the same authentication parameters from the previous
session, and the RTSP server will reject such parameter.

In this fix, we reset the authentication info on retry. Further, we retry the
last request on receiving a 401 Unauthorized, rather than sending out another
DESCRIBE request.

#minor-release

PiperOrigin-RevId: 377539711
The current code does not catch the IAE thrown when building a MediaDescription
or SessionDescription. This CL catches the IAE and propagates it as a
ParserException.

Issue: #9014.

PiperOrigin-RevId: 377544439
The size of rtspLoaderWrappers must match the number of tracks exposed by the
RTSP session (a track is exposed if its media description entry appears in
DESCRIBE's SDP response).

When retrying with TCP, the old code will start loading all exposed RTSP
tracks, regardless of whether they are selected.
The fixed code will only start loading selected tracks.

#minor-release

PiperOrigin-RevId: 377931030
RtspMediaSource uses the timeline update paradigm from ProgressiveMediaPeriod.

PiperOrigin-RevId: 378150758
PiperOrigin-RevId: 377106891
@google-cla google-cla bot added the cla: yes label Jun 10, 2021
@ojw28 ojw28 self-assigned this Jun 11, 2021
#minor-release

PiperOrigin-RevId: 378844770
@ojw28 ojw28 assigned icbaker and unassigned ojw28 Jun 11, 2021
@icbaker icbaker merged commit b2333c8 into release-v2 Jun 14, 2021
@icbaker icbaker deleted the dev-v2-r2.14.1 branch June 14, 2021 11:27
@google google locked and limited conversation to collaborators Aug 14, 2021
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