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Raspberry Pi GPU Audio Video Programming 无水印pdf.pdf

发布时间：2022-05-30 发布人：admin 分类：说明书 资料大小：3.61M 资料格式：pdf 举报 版权申诉
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    Cover
    Copyright
    Contents at a Glance
    Contents
    About the Author
    Introduction
    1: Introduction to the Raspberry Pi
    Introduction
    Programming Style
    Conclusion
    Resources
    2: Khronos Group
    Role of Khronos
    OpenGL ES
    OpenVG
    EGL
    OpenMAX
    Conclusion
    Resources
    3: Compiling Programs for the Raspberry Pi
    Generic Information
    Versions of gcc
    C99 or C11 Compilers
    gcc Compile Flags
    Includes
    Dispmanx
    EGL
    OpenMAX
    OpenGL ES
    OpenVG
    Libraries
    Dispmanx
    EGL
    OpenMAX
    OpenGL ES
    OpenVG
    Sample Makefiles
    Dispmanx
    EGL
    OpenMAX
    OpenVG
    Using pkg-config
    Conclusion
    4: Dispmanx on the Raspberry Pi
    Building Programs
    Accessing the GPU
    Garbage Collection
    Screen Capture
    Conclusion
    Resources
    5: EGL on the Raspberry Pi
    Building Programs
    Overview
    Initializing EGL
    Creating a Rendering Context
    Creating an EGL Drawing Surface with Dispmanx
    Garbage Collection
    Conclusion
    Resources
    6: OpenGL ES on the Raspberry Pi
    Building Programs
    OpenGL ES
    The esUtil Functions
    Vertices
    Shaders
    Minimal Vertex Shader
    Minimal Fragment Shader
    Loading the Shaders
    Creating the Program Object
    Drawing Something
    Putting It Together
    Drawing an Opaque Red Triangle
    A Colored Triangle
    Varyings
    Passing Multiple Attributes to the Vertex Shader
    Drawing Squares and Other Shapes
    Which to Choose?
    Textures
    TGA Files
    Mipmaps
    Creating a Texture Object
    Texture Attributes and the Shaders
    Drawing the Texture
    Complete Code for Drawing an Image
    Animation: Rotating an Image
    Matrices
    esUtil
    Invoking Animation
    Uniform Parameters: The Rotation Matrix
    Conclusion
    Resources
    7: OpenMAX on the Raspberry Pi Concepts
    OpenMAX Overview
    OpenMAX Concepts
    Conclusion
    Resources
    8: OpenMAX Components on the Raspberry Pi
    Building Programs
    OpenMAX IL Components
    Getting a List of Components
    Getting a Handle to a Component
    Port Information
    Getting and Setting Parameters
    Getting Port Information
    Getting Information About Specific Types of Port
    Detailed Audio Port Information
    Conclusion
    Resources
    9: OpenMAX on the Raspberry Pi State
    Building Programs
    Component States
    Loaded to Idle
    A Nonworking Program
    What's Wrong with It?
    Idle to Executing
    When Do State Changes Occur?
    What to Do When a State Change Occurs?
    Conclusion
    Resources
    10: OpenMAX IL Client Library on the Raspberry Pi
    Building Programs
    Public Functions
    Creating a Client
    Changing Component State
    Waiting for Events
    Debugging Clients
    Conclusion
    Resources
    11: OpenMAX Buffers on the Raspberry Pi
    Building Programs
    Buffers
    OpenMAX Buffer Allocation
    The IL Client Library
    Writing to and Reading from Buffers
    Sequence of Actions
    The EOS Flag
    A Hiccup: Port Settings Changed
    Example Image Decoding
    Conclusion
    Resources
    12: Image Processing on the Raspberry Pi
    Building Programs
    Image Components
    Image Formats
    Decoding a JPEG Image
    Tunneling
    Rendering an Image Using Tunnelling
    Rendering an Image Without Tunneling
    Conclusion
    Resources
    13: OpenMAX Video Processing on the Raspberry Pi
    Building Programs
    Video Components
    Video Formats
    Decoding an H.264 File
    Rendering an H.264 Video
    Going Full-Screen
    Conclusion
    Resources
    14: OpenMAX Audio on the Raspberry Pi
    Building Programs
    Audio Components
    Audio Formats
    Decoding an Audio File Using audio_decode
    Rendering PCM Data
    PCM Data
    Choosing an Output Device
    Setting PCM Format
    Decoding an MP3 File Using FFmpeg or Avconv
    Rendering MP3 Using FFmpeg or LibAV and OpenMAX
    Rendering MP3 with ID3 Extensions Using FFmpeg or LibAV and OpenMAX
    Conclusion
    Resources
    15: Rendering OpenMAX to OpenGL on the Raspberry Pi
    EGLImage
    OpenMAX
    OpenGL
    eglCreateImageKHR
    Broadcom GPU
    Components
    Threads
    Rendering a Video into an OpenGL ES Texture
    Conclusion
    Resources
    16: Playing Multimedia Files on the Raspberry Pi
    Desperate Debugging
    Multimedia Files
    Demuxing Multimedia Files
    Decoding the Audio Stream Using LibAV
    Rendering an Audio Stream
    Rendering the Video Stream (at Full Speed)
    Rendering the Video Stream (with Scheduling)
    Rendering Both Audio and Video
    Use the Audio Decoder?
    Conclusion
    Resources
    17: Basic OpenVG on the Raspberry Pi
    Building Programs
    Introduction
    Dispmanx and EGL
    OpenVG Pipeline
    Drawing a Pink Triangle
    Drawing Standard Shapes
    Images
    Creating a VGImage from Memory Data
    Drawing an Image
    Drawing an Image Using OpenVG Calls
    Conclusion
    Resources
    18: Text Processing in OpenVG on the Raspberry Pi
    Building Programs
    Drawing Text
    Drawing Text Using Cairo
    Drawing Text Using Pango
    FreeType
    Font Faces
    Paths and Glyphs
    Drawing a FreeType Outline
    Drawing a FreeType Bitmap
    VGFonts and Multiple Characters
    VGDrawGlyph
    vgDrawGlyphs
    Glyph Metrics
    Conclusion
    Resources
    19: Overlays on the Raspberry Pi
    Introduction
    Dispmanx Layers
    Drawing OpenGL ESon Top of an OpenMAX Image
    Drawing OpenGL ES on Top of an OpenMAX Video
    Drawing OpenVG on Top of an OpenMAX Image
    Drawing OpenVG on Top of an OpenMAX Video
    Drawing Text on Top of an OpenMAX Video Using Pango
    Conclusion
    Index
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