PVR to MP4 Converter

About This Tool

This tool converts PVR-encoded video to MP4 to maximize compatibility for editing, distribution, and archiving. Target users include video editors, game developers, multimedia archivists, and streaming staff who receive PVR assets and need a widely supported deliverable. Use occurs when source video is only in PVR or when existing workflows require MP4.\n\nCore Logic & Features: The tool performs format transcoding with codec mapping, optional quality controls, and output muxing to MP4. Required features include input validation, video and audio stream extraction, codec selection (H.264 or H.265 for video, AAC for audio), and MP4 muxing. Optional features include resolution/bitrate controls, batch processing, and metadata retention.\n\nInputs & Outputs: Inputs: input_file (string, path to PVR source, sample: /videos/source.pvr, required), target_video_codec (string, sample: H.264, required), video_bitrate_kbps (number, sample: 1500, optional), audio_bitrate_kbps (number, sample: 192, optional), resolution (string, sample: 1920x1080, optional), framerate_fps (number, sample: 30, optional), output_path (string, sample: /videos/output.mp4, required). Outputs: output_file (string, path), duration_seconds (number), video_frame_count (number, optional), audio_channels (number, optional). Validation: input_file must exist; codec must be supported; bitrate and resolution within allowed ranges.\n\nAlgorithms & Calculations: Implements a FFmpeg-like pipeline: de-mux input -> apply selected video codec (H.264/H.265), apply audio codec (AAC) with chosen bitrates and framerate; optionally scale to target resolution; mux into MP4 with faststart. Quality controls include CRF-based mode or bitrate-based mode with presets to trade quality and speed.\n\nError & Edge Cases: Handles missing inputs, unsupported PVR variants, corrupted streams, or read permissions. If input lacks audio, can omit audio or synthesize silence. If decoding fails, returns a non-zero error code with a detailed payload describing the failure.\n\nIndustry/Region & Localization: Standards align to MP4 container with AAC audio; uses metric units (kbps, fps, px). No region-specific restrictions; supports internationalized metadata fields.\n\nAssumptions & Exclusions: Assumes local file access and no DRM; not a streaming service; not supporting containers other than MP4 unless configured; excludes live or real-time transcoding.

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