TS-Doctor

TS-Doctor is an application specialized in the lossless analysis, repair, and editing of television recordings in transport stream formats (TS, MTS, M2TS, DVR, etc.). It performs an in-depth structural analysis of the file, identifies all data streams and metadata, enabling the precise removal of commercial breaks, correction of synchronization issues, and optimization of compatibility for media libraries.

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• In-depth structural analysis. TS-Doctor begins the process with a complete analysis of the transport stream file. It examines the container structure, identifies all present video, audio, and subtitle streams, and extracts program metadata (EPG). This phase is fundamental for understanding the exact composition of the recording and determining the most appropriate processing method, avoiding common errors found in other software.
• Automatic commercial detection. This function employs algorithms to identify commercial breaks within the recording. It analyzes changes in audio and video streams, scene transitions, and broadcast markers to locate advertising intervals. The results are presented on a visual timeline for subsequent verification and manual adjustment, ensuring precision in removal.
• Precise manual editing. It provides an editing window with a timeline where the user can review, adjust, or manually create cut points. Cuts are made at keyframe boundaries (I-frames) of the video stream, ensuring the final edit is lossless and does not introduce artifacts or playback issues.
• Repair of damaged streams. It corrects common issues in receiver recordings, such as audio/video synchronization errors, corrupt TS packets, or incorrect headers. This function reconstructs the stream structure to allow smooth playback in standard media players and editing software.
• Track extraction and management. It allows selecting and extracting specific tracks from a multi-channel file. The user can choose which audio, video, or subtitle tracks to keep in the output file, removing unnecessary ones to reduce file size or select a preferred audio language.
• Chapter file generation. It creates chapter files (such as .chapter or .txt) based on the positions of the cuts made or on EPG information. These files are compatible with many media players, enabling quick navigation between scenes or programs within a long recording.
• Conversion and remultiplexing. It performs remultiplexing of streams into standard containers like MPEG-TS or MP4, maintaining the original encoding without recompression. This improves compatibility with devices and playback software that may have issues with proprietary recorder formats.
• Optimization for media libraries. It prepares recordings for archiving in personal collections. It renames output files using extracted metadata, embeds program information, and ensures the file structure complies with standards widely supported by servers like Plex, Kodi, or Jellyfin.
• Support for various formats. It reads and processes a wide range of transport stream extensions used by satellite, cable, DVB-T receivers, and camcorders. This includes formats such as .TS, .MTS, .M2TS, .DVR, .TS4, .TRP, .REC, and .STR, automatically identifying the source and encapsulation scheme.
• Batch processing. It executes analysis, commercial detection, cutting, and repair operations on multiple files sequentially. It applies a predefined configuration to a list of recordings, automating repetitive tasks for efficient handling of large volumes of recorded material.
• EPG metadata extraction. It analyzes and extracts the electronic program guide information embedded in the stream. It presents details such as the program title, description, start time, and duration, which can be used for naming files and organizing the library.
• Technical information display. It shows a detailed report of the file's technical composition. This includes video and audio codecs, bitrates, resolution, frame rate, number of tracks, and synchronization status, offering a complete view of the medium's properties.

TS-Doctor is developed by Cypheros, a German company specializing in software for digital transport streams. Development of the application began in 2007, responding to the need for specific tools to manage recordings from the first generation of digital television receivers with hard drives. The program is primarily written in C++, a language that allows precise control over the processing of binary data streams and efficient execution of analysis and editing operations. The first public version was released in 2008. The developers maintain a technical knowledge base on the transport stream structures of numerous receiver manufacturers, which has allowed TS-Doctor to maintain compatibility with new and proprietary formats over the years. The application has undergone several major revisions, with TS-Doctor 4 being the most recent iteration of its architecture.

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