[libcamera-devel] [RFC 2/2] libcamera: formats: Remove ImageFormats

Niklas Söderlund niklas.soderlund at ragnatech.se
Wed Jul 1 23:16:50 CEST 2020


The ImageFormats helper class is not used anymore and can be removed.

Signed-off-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
---
 include/libcamera/internal/formats.h | 14 -----
 src/libcamera/formats.cpp            | 88 ----------------------------
 2 files changed, 102 deletions(-)

diff --git a/include/libcamera/internal/formats.h b/include/libcamera/internal/formats.h
index f59ac8fe36a1623b..70c2f5cb5b7d5eb4 100644
--- a/include/libcamera/internal/formats.h
+++ b/include/libcamera/internal/formats.h
@@ -18,20 +18,6 @@
 
 namespace libcamera {
 
-class ImageFormats
-{
-public:
-	int addFormat(unsigned int format, const std::vector<SizeRange> &sizes);
-
-	bool isEmpty() const;
-	std::vector<unsigned int> formats() const;
-	const std::vector<SizeRange> &sizes(unsigned int format) const;
-	const std::map<unsigned int, std::vector<SizeRange>> &data() const;
-
-private:
-	std::map<unsigned int, std::vector<SizeRange>> data_;
-};
-
 class PixelFormatInfo
 {
 public:
diff --git a/src/libcamera/formats.cpp b/src/libcamera/formats.cpp
index 436672e8bf4f8571..10830ceb9aae8f0c 100644
--- a/src/libcamera/formats.cpp
+++ b/src/libcamera/formats.cpp
@@ -22,94 +22,6 @@ namespace libcamera {
 
 LOG_DEFINE_CATEGORY(Formats)
 
-/**
- * \class ImageFormats
- * \brief Describe V4L2Device and V4L2SubDevice image formats
- *
- * This class stores a list of image formats, each associated with a
- * corresponding set of image sizes. It is used to describe the formats and
- * sizes supported by a V4L2Device or V4L2Subdevice.
- *
- * Formats are stored as an integer. When used for a V4L2Device, the image
- * formats are fourcc pixel formats. When used for a V4L2Subdevice they are
- * media bus codes. Both are defined by the V4L2 specification.
- *
- * Sizes are stored as a list of SizeRange.
- */
-
-/**
- * \brief Add a format and corresponding sizes to the description
- * \param[in] format Pixel format or media bus code to describe
- * \param[in] sizes List of supported size ranges for the format
- *
- * \return 0 on success or a negative error code otherwise
- * \retval -EEXIST The format is already described
- */
-int ImageFormats::addFormat(unsigned int format, const std::vector<SizeRange> &sizes)
-{
-	if (data_.find(format) != data_.end())
-		return -EEXIST;
-
-	data_[format] = sizes;
-
-	return 0;
-}
-
-/**
- * \brief Check if the list of devices supported formats is empty
- * \return True if the list of supported formats is empty
- */
-bool ImageFormats::isEmpty() const
-{
-	return data_.empty();
-}
-
-/**
- * \brief Retrieve a list of all supported image formats
- * \return List of pixel formats or media bus codes
- */
-std::vector<unsigned int> ImageFormats::formats() const
-{
-	std::vector<unsigned int> formats;
-	formats.reserve(data_.size());
-
-	/* \todo: Should this be cached instead of computed each time? */
-	for (auto const &it : data_)
-		formats.push_back(it.first);
-
-	return formats;
-}
-
-/**
- * \brief Retrieve all sizes for a specific format
- * \param[in] format The pixel format or mbus code
- *
- * Retrieve all size ranges for a specific format. For V4L2Device \a format is a
- * pixel format while for a V4L2Subdevice \a format is a media bus code.
- *
- * \return The list of image sizes supported for \a format, or an empty list if
- * the format is not supported
- */
-const std::vector<SizeRange> &ImageFormats::sizes(unsigned int format) const
-{
-	static const std::vector<SizeRange> empty;
-
-	auto const &it = data_.find(format);
-	if (it == data_.end())
-		return empty;
-
-	return it->second;
-}
-
-/**
- * \brief Retrieve the map that associates formats to image sizes
- * \return The map that associates formats to image sizes
- */
-const std::map<unsigned int, std::vector<SizeRange>> &ImageFormats::data() const
-{
-	return data_;
-}
-
 /**
  * \class PixelFormatInfo
  * \brief Information about pixel formats
-- 
2.27.0



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