ISO/IEC 23090-26:2025 PDF

Information technology — Coded representation of immersive media — Part 26: Conformance and reference software for carriage of geometry-based point cloud compression data

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Title (English):

ISO/IEC 23090-26:2025

Information technology — Coded representation of immersive media — Part 26: Conformance and reference software for carriage of geometry-based point cloud compression data

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 11
Publication date:: June 2, 2025
Edition:: ISO/IEC IS 23090 edition 1 version 1
ICS:: 35.040.40

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Description (English):

This document specifies the reference software and conformance suite for carriage of G-PCC data as specified in ISO/IEC 23090-18. The information provided describes the reference software modules and the features that it supports. It includes the status of the development of the reference software for ISOBMFF encapsulation of carriage of G-PCC data. It also provides a description of how the reference software can be utilized and a description of conformance test vectors.

Technical details

Technical committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
SKU: ISO/IEC 23090-26:2025

Abstract

Overview

ISO/IEC 23090-26:2025 specifies the conformance suite and reference software for carriage of geometry‑based point cloud compression (G‑PCC) data as defined in ISO/IEC 23090‑18. The standard documents the architecture, modules and public API of the reference implementation (libGPCCCarriage and GPCCCarriageApp), the status of ISOBMFF encapsulation support, and a set of conformance test vectors and sample files to validate implementations and interoperability.

Key keywords: ISO/IEC 23090-26, G‑PCC, point cloud compression, ISOBMFF, reference software, conformance suite, GPCCCarriageApp, libGPCCCarriage.

Key topics

Purpose and scope
- Reference software to validate the written ISO/IEC 23090‑18 specification.
- Conformance test vectors for interoperability testing across applications.
Architecture
- Extension of the ISOBMFF reference software; consists of a carriage library (libGPCCCarriage) and a command‑line tool (GPCCCarriageApp) for multiplexing/demultiplexing.
Feature support list
- Documented table of supported boxes, sample entries and features (e.g., GPCCConfigurationBox, GPCCComponentInfoBox, single and multi‑track GPCCSampleEntry, multiplexing/demultiplexing, sub‑samples), including items marked OK, In progress, or Not implemented to indicate implementation status.
Public API
- Functions for box creation and parsing (e.g., GPCCCreateBox, GPCCParseBox, GPCCParseUnknownBox).
- Sample entry and configuration management routines (e.g., GPCCNewBitstreamSampleEntry, GPCCNewMultiTrackGPCCSampleEntry, GPCCSetGPCCConfigurationRecord, GPCCGetConfigurationInfoFromSampleEntry).
- All public prototypes are provided in GPCCCarriage.h.
Conformance and test vectors
- Timed and non‑timed G‑PCC conformance tests, with packaged example files to demonstrate feature usage and to exercise interoperability scenarios.

Applications and users

Codec and tool developers implementing G‑PCC carriage in media players, encoders, packagers and file format tools.
Media service providers and streaming platform engineers validating point-cloud delivery workflows using ISOBMFF.
Test labs and QA teams running conformance and interoperability tests against the reference implementation and provided vectors.
Standards bodies and integrators verifying specification clarity and implementation completeness.

Related standards

ISO/IEC 23090‑18 - Carriage of geometry‑based point cloud compression data (normative reference).
ISOBMFF (ISO base media file format) - container and encapsulation practices used by the reference software.

Reference implementation and conformance files are available from the ISO standards portal (see the ISO/IEC 23090‑26:2025 entry).

Related standards

Mentioned in the description and other ISO standards

Abstract

Overview

Key keywords: ISO/IEC 23090-26, G‑PCC, point cloud compression, ISOBMFF, reference software, conformance suite, GPCCCarriageApp, libGPCCCarriage.

Key topics

Purpose and scope
- Reference software to validate the written ISO/IEC 23090‑18 specification.
- Conformance test vectors for interoperability testing across applications.
Architecture
- Extension of the ISOBMFF reference software; consists of a carriage library (libGPCCCarriage) and a command‑line tool (GPCCCarriageApp) for multiplexing/demultiplexing.
Feature support list
- Documented table of supported boxes, sample entries and features (e.g., GPCCConfigurationBox, GPCCComponentInfoBox, single and multi‑track GPCCSampleEntry, multiplexing/demultiplexing, sub‑samples), including items marked OK, In progress, or Not implemented to indicate implementation status.
Public API
- Functions for box creation and parsing (e.g., GPCCCreateBox, GPCCParseBox, GPCCParseUnknownBox).
- Sample entry and configuration management routines (e.g., GPCCNewBitstreamSampleEntry, GPCCNewMultiTrackGPCCSampleEntry, GPCCSetGPCCConfigurationRecord, GPCCGetConfigurationInfoFromSampleEntry).
- All public prototypes are provided in GPCCCarriage.h.
Conformance and test vectors
- Timed and non‑timed G‑PCC conformance tests, with packaged example files to demonstrate feature usage and to exercise interoperability scenarios.

Applications and users

Codec and tool developers implementing G‑PCC carriage in media players, encoders, packagers and file format tools.
Media service providers and streaming platform engineers validating point-cloud delivery workflows using ISOBMFF.
Test labs and QA teams running conformance and interoperability tests against the reference implementation and provided vectors.
Standards bodies and integrators verifying specification clarity and implementation completeness.

Related standards

ISO/IEC 23090‑18 - Carriage of geometry‑based point cloud compression data (normative reference).
ISOBMFF (ISO base media file format) - container and encapsulation practices used by the reference software.

Reference implementation and conformance files are available from the ISO standards portal (see the ISO/IEC 23090‑26:2025 entry).

ISO/IEC 23090-26:2025 PDF

Technical details

Abstract

Overview

Key topics

Applications and users

Related standards

Related standards

Abstract

Overview

Key topics

Applications and users

Related standards

Related standards

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