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linux: Add cras-capture option for cras-audio device

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The flag can enable capturing audio from CRAS server to the cras-audio
device.
We'll re-enable capture function on Crostini after finishing capture
permission works.

BUG=chromium:932268
TEST=Boot vm with crosvm --cras-audio --cras-capture to check recording
     functionality.

Cq-Depend: chromium:1628633
Change-Id: I7502cbd668cbc722224164d9f69e50a16b0ab86b
Reviewed-on: https://chromium-review.googlesource.com/1628687
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Chih-Yang Hsia <paulhsia@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Chih-Yang Hsia <paulhsia@chromium.org>
This commit is contained in:
paulhsia 2019-05-24 16:53:55 +08:00 committed by chrome-bot
parent d7738ec486
commit 580d418656
2 changed files with 10 additions and 1 deletions
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5
src/linux.rs
View file

@ -823,7 +823,10 @@ fn create_devices(
}
if cfg.cras_audio {
let server = Box::new(CrasClient::new().map_err(Error::CreateCrasClient)?);
let mut server = Box::new(CrasClient::new().map_err(Error::CreateCrasClient)?);
if cfg.cras_capture {
server.enable_cras_capture();
}
let cras_audio = devices::Ac97Dev::new(mem.clone(), server);
pci_devices.push((

6
src/main.rs
View file

@ -103,6 +103,7 @@ pub struct Config {
gpu: bool,
software_tpm: bool,
cras_audio: bool,
cras_capture: bool,
null_audio: bool,
serial_parameters: BTreeMap<u8, SerialParameters>,
syslog_tag: Option<String>,
@ -144,6 +145,7 @@ impl Default for Config {
sandbox: !cfg!(feature = "default-no-sandbox"),
seccomp_policy_dir: PathBuf::from(SECCOMP_POLICY_DIR),
cras_audio: false,
cras_capture: false,
null_audio: false,
serial_parameters: BTreeMap::new(),
syslog_tag: None,
@ -368,6 +370,9 @@ fn set_argument(cfg: &mut Config, name: &str, value: Option<&str>) -> argument::
"cras-audio" => {
cfg.cras_audio = true;
}
"cras-capture" => {
cfg.cras_capture = true;
}
"null-audio" => {
cfg.null_audio = true;
}
@ -792,6 +797,7 @@ fn run_vm(args: std::env::Args) -> std::result::Result<(), ()> {
Argument::value("netmask", "NETMASK", "Netmask for VM subnet."),
Argument::value("mac", "MAC", "MAC address for VM."),
Argument::flag("cras-audio", "Add an audio device to the VM that plays samples through CRAS server"),
Argument::flag("cras-capture", "Enable capturing audio from CRAS server to the cras-audio device"),
Argument::flag("null-audio", "Add an audio device to the VM that plays samples to /dev/null"),
Argument::value("serial",
"type=TYPE,[path=PATH,num=NUM,console]",