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-rw-r--r--src/android/camera_device.cpp99
-rw-r--r--src/android/camera_device.h18
2 files changed, 64 insertions, 53 deletions
diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp
index af290500..2cb81387 100644
--- a/src/android/camera_device.cpp
+++ b/src/android/camera_device.cpp
@@ -169,8 +169,8 @@ MappedCamera3Buffer::MappedCamera3Buffer(const buffer_handle_t camera3buffer,
}
}
-CameraStream::CameraStream(PixelFormat f, Size s)
- : index(-1), format(f), size(s), jpeg(nullptr)
+CameraStream::CameraStream(PixelFormat f, Size s, unsigned int i)
+ : format(f), size(s), jpeg(nullptr), index_(i)
{
}
@@ -1191,6 +1191,7 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
streams_.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) {
camera3_stream_t *stream = stream_list->streams[i];
Size size(stream->width, stream->height);
@@ -1207,52 +1208,56 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
if (!format.isValid())
return -EINVAL;
- streams_.emplace_back(format, size);
- stream->priv = static_cast<void *>(&streams_[i]);
-
/* Defer handling of MJPEG streams until all others are known. */
- if (stream->format == HAL_PIXEL_FORMAT_BLOB)
+ if (stream->format == HAL_PIXEL_FORMAT_BLOB) {
+ if (jpegStream) {
+ LOG(HAL, Error)
+ << "Multiple JPEG streams are not supported";
+ return -EINVAL;
+ }
+
+ jpegStream = stream;
continue;
+ }
StreamConfiguration streamConfiguration;
-
streamConfiguration.size = size;
streamConfiguration.pixelFormat = format;
config_->addConfiguration(streamConfiguration);
- streams_[i].index = config_->size() - 1;
+ unsigned int index = config_->size() - 1;
+ streams_.emplace_back(format, size, index);
+ stream->priv = static_cast<void *>(&streams_.back());
}
- /* Now handle MJPEG streams, adding a new stream if required. */
- for (unsigned int i = 0; i < stream_list->num_streams; ++i) {
- camera3_stream_t *stream = stream_list->streams[i];
- bool match = false;
+ /* Now handle the MJPEG streams, adding a new stream if required. */
+ if (jpegStream) {
+ int index = -1;
- if (stream->format != HAL_PIXEL_FORMAT_BLOB)
- continue;
-
- /* Search for a compatible stream */
- for (unsigned int j = 0; j < config_->size(); j++) {
- StreamConfiguration &cfg = config_->at(j);
+ /* Search for a compatible stream in the non-JPEG ones. */
+ for (unsigned int i = 0; i < config_->size(); i++) {
+ StreamConfiguration &cfg = config_->at(i);
/*
* \todo The PixelFormat must also be compatible with
* the encoder.
*/
- if (cfg.size == streams_[i].size) {
- LOG(HAL, Info) << "Stream " << i
- << " using libcamera stream " << j;
+ if (cfg.size.width != jpegStream->width ||
+ cfg.size.height != jpegStream->height)
+ continue;
- match = true;
- streams_[i].index = j;
- }
+ LOG(HAL, Info)
+ << "Android JPEG stream mapped to libcamera stream " << i;
+
+ index = i;
+ break;
}
/*
* Without a compatible match for JPEG encoding we must
* introduce a new stream to satisfy the request requirements.
*/
- if (!match) {
+ if (index < 0) {
StreamConfiguration streamConfiguration;
/*
@@ -1261,15 +1266,31 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
* handled, and should be considered as part of any
* stream configuration reworks.
*/
- streamConfiguration.size.width = stream->width;
- streamConfiguration.size.height = stream->height;
+ streamConfiguration.size.width = jpegStream->width;
+ streamConfiguration.size.height = jpegStream->height;
streamConfiguration.pixelFormat = formats::NV12;
LOG(HAL, Info) << "Adding " << streamConfiguration.toString()
<< " for MJPEG support";
config_->addConfiguration(streamConfiguration);
- streams_[i].index = config_->size() - 1;
+ index = config_->size() - 1;
+ }
+
+ StreamConfiguration &cfg = config_->at(index);
+ CameraStream &cameraStream =
+ streams_.emplace_back(formats::MJPEG, cfg.size, index);
+ jpegStream->priv = static_cast<void *>(&cameraStream);
+
+ /*
+ * Construct a software encoder for the MJPEG streams from the
+ * chosen libcamera source stream.
+ */
+ cameraStream.jpeg = new EncoderLibJpeg();
+ int ret = cameraStream.jpeg->configure(cfg);
+ if (ret) {
+ LOG(HAL, Error) << "Failed to configure encoder";
+ return ret;
}
}
@@ -1292,25 +1313,11 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
for (unsigned int i = 0; i < stream_list->num_streams; ++i) {
camera3_stream_t *stream = stream_list->streams[i];
- CameraStream *cameraStream = &streams_[i];
- StreamConfiguration &cfg = config_->at(cameraStream->index);
+ CameraStream *cameraStream = static_cast<CameraStream *>(stream->priv);
+ StreamConfiguration &cfg = config_->at(cameraStream->index());
/* Use the bufferCount confirmed by the validation process. */
stream->max_buffers = cfg.bufferCount;
-
- /*
- * Construct a software encoder for MJPEG streams from the
- * chosen libcamera source stream.
- */
- if (cameraStream->format == formats::MJPEG) {
- cameraStream->jpeg = new EncoderLibJpeg();
- int ret = cameraStream->jpeg->configure(cfg);
- if (ret) {
- LOG(HAL, Error)
- << "Failed to configure encoder";
- return ret;
- }
- }
}
/*
@@ -1424,7 +1431,7 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques
}
descriptor->frameBuffers.emplace_back(buffer);
- StreamConfiguration *streamConfiguration = &config_->at(cameraStream->index);
+ StreamConfiguration *streamConfiguration = &config_->at(cameraStream->index());
Stream *stream = streamConfiguration->stream();
request->addBuffer(stream, buffer);
@@ -1479,7 +1486,7 @@ void CameraDevice::requestComplete(Request *request)
continue;
}
- StreamConfiguration *streamConfiguration = &config_->at(cameraStream->index);
+ StreamConfiguration *streamConfiguration = &config_->at(cameraStream->index());
Stream *stream = streamConfiguration->stream();
FrameBuffer *buffer = request->findBuffer(stream);
if (!buffer) {
diff --git a/src/android/camera_device.h b/src/android/camera_device.h
index c0732fb8..376d001e 100644
--- a/src/android/camera_device.h
+++ b/src/android/camera_device.h
@@ -28,20 +28,24 @@
class CameraMetadata;
struct CameraStream {
- CameraStream(libcamera::PixelFormat, libcamera::Size);
+public:
+ CameraStream(libcamera::PixelFormat, libcamera::Size, unsigned int i);
~CameraStream();
- /*
- * The index of the libcamera StreamConfiguration as added during
- * configureStreams(). A single libcamera Stream may be used to deliver
- * one or more streams to the Android framework.
- */
- unsigned int index;
+ unsigned int index() const { return index_; }
libcamera::PixelFormat format;
libcamera::Size size;
Encoder *jpeg;
+
+private:
+ /*
+ * The index of the libcamera StreamConfiguration as added during
+ * configureStreams(). A single libcamera Stream may be used to deliver
+ * one or more streams to the Android framework.
+ */
+ unsigned int index_;
};
class CameraDevice : protected libcamera::Loggable
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-28 06:26:19 +0000