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android: camera_device: Support multiple stream configurations

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Create an initial Camera Configuration using an empty role set, and
populate the StreamConfigurations manually from each of the streams
given by the Android camera3_stream_configuration_t stream_list.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Kieran Bingham 2020-06-26 20:19:10 +01:00
parent 43e3b8002b
commit 0a9244ed37
1 changed files with 28 additions and 29 deletions
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49
src/android/camera_device.cpp
View file

@ -942,6 +942,16 @@ PixelFormat CameraDevice::toPixelFormat(int format)
*/
int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
{
/*
* Generate an empty configuration, and construct a StreamConfiguration
* for each camera3_stream to add to it.
*/
config_ = camera_->generateConfiguration();
if (!config_) {
LOG(HAL, Error) << "Failed to generate camera configuration";
return -EINVAL;
}
for (unsigned int i = 0; i < stream_list->num_streams; ++i) {
camera3_stream_t *stream = stream_list->streams[i];
@ -953,35 +963,18 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
<< ", height: " << stream->height
<< ", format: " << utils::hex(stream->format)
<< " (" << format.toString() << ")";
}
/* Only one stream is supported. */
if (stream_list->num_streams != 1) {
LOG(HAL, Error) << "Only one stream supported";
return -EINVAL;
}
camera3_stream_t *camera3Stream = stream_list->streams[0];
/* Translate Android format code to libcamera pixel format. */
PixelFormat format = toPixelFormat(camera3Stream->format);
if (!format.isValid())
return -EINVAL;
/*
* Hardcode viewfinder role, replacing the generated configuration
* parameters with the ones requested by the Android framework.
*/
StreamRoles roles = { StreamRole::Viewfinder };
config_ = camera_->generateConfiguration(roles);
if (!config_ || config_->empty()) {
LOG(HAL, Error) << "Failed to generate camera configuration";
return -EINVAL;
}
StreamConfiguration streamConfiguration;
StreamConfiguration *streamConfiguration = &config_->at(0);
streamConfiguration->size.width = camera3Stream->width;
streamConfiguration->size.height = camera3Stream->height;
streamConfiguration->pixelFormat = format;
streamConfiguration.size.width = stream->width;
streamConfiguration.size.height = stream->height;
streamConfiguration.pixelFormat = format;
config_->addConfiguration(streamConfiguration);
}
switch (config_->validate()) {
case CameraConfiguration::Valid:
@ -996,7 +989,13 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
return -EINVAL;
}
camera3Stream->max_buffers = streamConfiguration->bufferCount;
for (unsigned int i = 0; i < stream_list->num_streams; ++i) {
camera3_stream_t *stream = stream_list->streams[i];
StreamConfiguration &streamConfiguration = config_->at(i);
/* Use the bufferCount confirmed by the validation process. */
stream->max_buffers = streamConfiguration.bufferCount;
}
/*
* Once the CameraConfiguration has been adjusted/validated