leandromoreira/ffmpeg-libav-tutorial
11,011 स्टार्स·1,018 फोर्क्स·C·BSD-3-Clause·11 व्यूज़github.com/leandromoreira/ffmpeg-libav-tutorial↗
Ffmpeg Libav Tutorial
This project is a C-based media engineering guide and multimedia processing framework designed for managing codecs, frames, and packets within the FFmpeg and Libav ecosystem. It provides technical documentation and implementation patterns for transcoding, remuxing, and resizing video and audio data.
The project includes a containerized development environment that encapsulates required media libraries and toolchains within a virtual image to ensure consistent build environments.
The framework covers a range of multimedia engineering workflows, including adaptive bitrate streaming, media container remuxing, and metadata extraction. It also provides capabilities for stream processing, such as audio-video synchronization and resolution resizing, alongside tools for logging codec and timing details.
Features
- Multimedia Frameworks - Implements a modular framework for encoding, decoding, and routing multimedia streams through complex processing pipelines.
- FFmpeg Transcoders - Provides a framework for media transcoding using FFmpeg to convert files between different codecs.
- Media Engineering Guides - Serves as a technical guide for managing codecs, frames, and packets within the FFmpeg and Libav ecosystem.
- Media Demuxers - Provides tools for separating interleaved audio and video streams from media containers into individual packets.
- Post-Decode Frame Access - Provides access to raw YUV or RGB frames after the decoding process is complete.
- Multimedia Processing Suites - Provides a comprehensive suite of utilities for transcoding, streaming, and manipulating multimedia content via Libav.
- Media Transcoding - Converts audio and video from one codec to another to ensure device compatibility and compression.
- Packet-to-Frame Pipelines - Implements a processing pipeline that converts raw container packets into decoded frames for filtering or re-encoding.
- Codec-Based Decoders - Provides low-level stream decoding capabilities to translate compressed packets into raw frames.
- Stream Remuxers - Repackages audio and video streams into different container formats without re-encoding the underlying data.
- Processing Graphs - Implements a graph-based architecture for chaining visual transformations and filters on video frames.
- Media Metadata Extraction - Extracts technical metadata such as container format, duration, and resolution from media files.
- Media Timestamp Regulators - Aligns audio and video playback by regulating packet delivery based on media timestamps.
- Audio-Video Synchronization - Coordinates the timing of audio and video streams to prevent drift during playback.
- Adaptive Bitrate Streaming - Implements the process of segmenting video into multiple resolutions for adaptive bitrate delivery.
- Multi-Resolution Stream Generators - Generates multiple resolution and bitrate versions of video split into chunks for adaptive HTTP playback.
- Video Resizers - Adjusts the spatial resolution of video frames to fit specific display sizes or bandwidth limits.
- Educational Resources - Comprehensive guide for learning the underlying media libraries.
