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VRS
A file format for sensor data.
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VRS
A file format for sensor data.
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Specification of a VRS record content block. More...
#include <RecordFormat.h>
Public Member Functions | |
| ContentBlock (ContentType type=ContentType::EMPTY, size_t size=kSizeUnknown) | |
| Very generic block description. | |
| ContentBlock (const string &formatStr) | |
| Factory-style reconstruct from persisted description as string on disk. | |
| ContentBlock (ImageFormat imageFormat, uint32_t width=0, uint32_t height=0) | |
| Image formats with encoding (png, jpeg, etc). | |
| ContentBlock (std::string codecName, uint8_t codecQuality, PixelFormat pixelFormat=PixelFormat::UNDEFINED, uint32_t width=0, uint32_t height=0, uint32_t stride=0, uint32_t stride2=0) | |
| Image formats with custom codec encoding. | |
| ContentBlock (PixelFormat pixelFormat, uint32_t width, uint32_t height, uint32_t stride=0, uint32_t stride2=0) | |
| Raw image formats: a PixelFormat and maybe resolutions & raw stride. | |
| ContentBlock (const ImageContentBlockSpec &imageSpec, size_t size=kSizeUnknown) | |
| ContentBlock (ImageContentBlockSpec &&imageSpec, size_t size=kSizeUnknown) noexcept | |
| ContentBlock (const ContentBlock &imageContentBlock, double keyFrameTimestamp, uint32_t keyFrameIndex) | |
| ContentBlock (AudioFormat audioFormat, uint8_t channelCount=0) | |
| Very generic audio block description. | |
| ContentBlock (const AudioContentBlockSpec &audioSpec, size_t size) | |
| ContentBlock (AudioFormat audioFormat, AudioSampleFormat sampleFormat, uint8_t numChannels=0, uint8_t sampleFrameStride=0, uint32_t sampleRate=0, uint32_t sampleCount=0, uint8_t stereoPairCount=0) | |
| Audio block description. | |
| ContentBlock (const ContentBlock &)=default | |
| Default copy constructor. | |
| ContentBlock (ContentBlock &&) noexcept=default | |
| ContentBlock (const ContentBlock &other, size_t size) | |
| Copy constructor, except for the size. | |
| ContentBlock & | operator= (const ContentBlock &rhs)=default |
| ContentBlock & | operator= (ContentBlock &&rhs) noexcept=default |
| string | asString () const |
| Conversion to string, to store on disk & reconstruct later using constructor. | |
| size_t | getBlockSize () const |
| Get the content block size, if available or calculable. | |
| ContentType | getContentType () const |
| Get the ContentType of the block. | |
| string | getCustomContentBlockFormat () const |
| bool | operator== (const ContentBlock &rhs) const |
| bool | operator!= (const ContentBlock &rhs) const |
| RecordFormat | operator+ (const ContentBlock &) const |
| Assembly operator, to construct a RecordFormat for ContentBlock parts. | |
| const ImageContentBlockSpec & | image () const |
| Get the image content spec. Requires the content block to be of type ContentType::IMAGE. | |
| const AudioContentBlockSpec & | audio () const |
| Get the audio content spec. Requires the content block to be of type ContentType::AUDIO. | |
Static Public Attributes | |
| static const size_t | kSizeUnknown = numeric_limits<size_t>::max() |
| Special value used to represent an unknown block size. | |
Protected Attributes | |
| ContentType | contentType_ = ContentType::EMPTY |
| size_t | size_ = kSizeUnknown |
| ImageContentBlockSpec | imageSpec_ |
| AudioContentBlockSpec | audioSpec_ |
| string | customContentBlockFormat_ |
Specification of a VRS record content block.
VRS records are described by RecordFormat as a succession of ContentBlocks, which each describe the data they contain.
Each ContentBlock has a type, described by a ContentType. Typical types are:
Each block may have a fixed size, or an unknown size if the size might vary between records.
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inline |
Get format for custom blocks, as a free-form string, provided on creation by using: ContentBlock("custom/format=my_custom_content_block_format_name").
1.9.8