[libcamera-devel] [PATCH v5 2/3] android: camera_device: Use Camera3StreamConfig in configureStreams()
Umang Jain
email at uajain.com
Wed Dec 9 13:45:10 CET 2020
Hi Hiro
On 12/9/20 4:21 PM, Kieran Bingham wrote:
> Hi Hiro,
>
> On 09/12/2020 05:54, Hirokazu Honda wrote:
>> Use the newly introduced Camera3StreamConfig to associate the
>> Android requested streams with the associated StreamConfiguration
>> in a vector of configurations.
>>
>> This change prepares to sort the vector of configuration before using
>> it to configure the Camera and populate the streams_ vector.
>>
>> No functional changes intended.
>>
>> Signed-off-by: Hirokazu Honda <hiroh at chromium.org>
>> Reviewed-by: Jacopo Mondi <jacopo at jmondi.org>
> Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
Reviewed-by: Umang Jain <email at uajain.com>
>
>> ---
>> src/android/camera_device.cpp | 52 +++++++++++++++++++++--------------
>> 1 file changed, 31 insertions(+), 21 deletions(-)
>>
>> diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp
>> index 09269d95..b7bf3d88 100644
>> --- a/src/android/camera_device.cpp
>> +++ b/src/android/camera_device.cpp
>> @@ -1240,6 +1240,9 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
>> streams_.clear();
>> streams_.reserve(stream_list->num_streams);
>>
>> + std::vector<Camera3StreamConfig> streamConfigs;
>> + streamConfigs.reserve(stream_list->num_streams);
>> +
>> /* First handle all non-MJPEG streams. */
>> camera3_stream_t *jpegStream = nullptr;
>> for (unsigned int i = 0; i < stream_list->num_streams; ++i) {
>> @@ -1270,14 +1273,12 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
>> continue;
>> }
>>
>> - StreamConfiguration streamConfiguration;
>> - streamConfiguration.size = size;
>> - streamConfiguration.pixelFormat = format;
>> -
>> - config_->addConfiguration(streamConfiguration);
>> - streams_.emplace_back(this, CameraStream::Type::Direct,
>> - stream, config_->size() - 1);
>> - stream->priv = static_cast<void *>(&streams_.back());
>> + Camera3StreamConfig streamConfig;
>> + streamConfig.streams = { stream };
>> + streamConfig.types = { CameraStream::Type::Direct };
>> + streamConfig.config.size = size;
>> + streamConfig.config.pixelFormat = format;
>> + streamConfigs.push_back(std::move(streamConfig));
>> }
>>
>> /* Now handle the MJPEG streams, adding a new stream if required. */
>> @@ -1286,9 +1287,8 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
>> int index = -1;
>>
>> /* Search for a compatible stream in the non-JPEG ones. */
>> - for (unsigned int i = 0; i < config_->size(); i++) {
>> - StreamConfiguration &cfg = config_->at(i);
>> -
>> + for (size_t i = 0; i < streamConfigs.size(); ++i) {
>> + const auto &cfg = streamConfigs[i].config;
>> /*
>> * \todo The PixelFormat must also be compatible with
>> * the encoder.
>> @@ -1310,28 +1310,38 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
>> * introduce a new stream to satisfy the request requirements.
>> */
>> if (index < 0) {
>> - StreamConfiguration streamConfiguration;
>> -
>> /*
>> * \todo The pixelFormat should be a 'best-fit' choice
>> * and may require a validation cycle. This is not yet
>> * handled, and should be considered as part of any
>> * stream configuration reworks.
>> */
>> - streamConfiguration.size.width = jpegStream->width;
>> - streamConfiguration.size.height = jpegStream->height;
>> - streamConfiguration.pixelFormat = formats::NV12;
>> + Camera3StreamConfig streamConfig;
>> + streamConfig.config.size.width = jpegStream->width;
>> + streamConfig.config.size.height = jpegStream->height;
>> + streamConfig.config.pixelFormat = formats::NV12;
>> + streamConfigs.push_back(std::move(streamConfig));
>>
>> - LOG(HAL, Info) << "Adding " << streamConfiguration.toString()
>> + LOG(HAL, Info) << "Adding " << streamConfig.config.toString()
>> << " for MJPEG support";
>>
>> type = CameraStream::Type::Internal;
>> - config_->addConfiguration(streamConfiguration);
>> - index = config_->size() - 1;
>> + index = streamConfigs.size() - 1;
>> }
>>
>> - streams_.emplace_back(this, type, jpegStream, index);
>> - jpegStream->priv = static_cast<void *>(&streams_.back());
>> + streamConfigs[index].streams.push_back(jpegStream);
>> + streamConfigs[index].types.push_back(type);
>> + }
>> +
>> + for (const auto &streamConfig : streamConfigs) {
>> + config_->addConfiguration(streamConfig.config);
>> + for (size_t i = 0; i < streamConfig.streams.size(); ++i) {
>> + camera3_stream_t *stream = streamConfig.streams[i];
>> + const CameraStream::Type type = streamConfig.types[i];
>> + streams_.emplace_back(this, type,
>> + stream, config_->size() - 1);
>> + stream->priv = static_cast<void*>(&streams_.back());
>> + }
>> }
>>
>> switch (config_->validate()) {
>> --
>> 2.29.2.576.ga3fc446d84-goog
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