Table of Contents Analysis of Java HotSpot(TM) 64-Bit Server VM warning: CodeCache is full. Compiler has been disabled. What is CodeCache? Why is CodeCache full? How to solve the problem of CodeCache being full? 1. Increase the size of CodeCache 2. Optimize application usage in conclusion Practical application scenario example: concurrent request processing Analysis Java […]
Tag: codec
4. Use MediaExtractor+MediaCodec+AudioTrack to play audio files
Use MediaExtractor + MediaCodec + AudioTrack to play audio files First look at a picture: If you want to play a video, you have to deprotocol and decapsulate the video file. Then you can get the audio data and video data (separately), decode them separately again, and finally play them synchronously (because the devices that […]
Solving UnicodeDecodeError: utf-8 codec cant decode byte 0xc2 in position 0: invalid continuation byt
Table of Contents Solving UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xc2 in position 0: invalid continuation byte error message reason solution Example 1: Read web page content and process it Example 2: Read text file and process it Solving UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xc2 in position 0: invalid continuation byte When processing text […]
milkv6. internal codec — mic
Article directory 1. Hardware 2. dts 3. Configuration pin board_init pin 4. Makefile 5. config 6. Add tinyalsa 7. Test results 7.1 View recording device information 7.2 Record audio 7.3 Get the recorded device on PC 7.4 Use audacity to view waveforms 1. Hardware i2s0 – adc i2s1–pdm i2s3 — dace spk_en is doubtful i2s2 […]
ArmSoM-RK3588 codec mpp decoding demo analysis: mpi_dec_test
1. Introduction [RK3588 From Beginner to Master] Column General Directory mpi_dec_test is the official decoding demo of rockchip This article analyzes the code and decoding process of mpi_dec_test 2. Environment introduction Hardware environment: ArmSoM-W3 RK3588 development board Software version: OS: ArmSoM-W3 Debian11 3. Analysis of mpp decoding process mpp_create: Get the MppCtx instance and MppApi […]
Solving UnicodeDecodeError: gbk codec cant decode byte 0xba in position 2: illegal multibyte sequence
Table of Contents Solve UnicodeDecodeError: ‘gbk’ codec can’t decode byte 0xba in position 2: illegal multibyte sequence 1. Specify the correct character encoding method 2. Use libraries that automatically detect encodings 3. Ignore errors when opening file 4. Convert to Unicode string 1. Specify the correct character encoding method 2. Use libraries that automatically detect […]
Video codec, real-time audio and video, webrtc, real-time interaction, use ffmpeg to convert mp4 to m3u8.
1. MP4 to M3U8 M3U8 is the Unicode version of M3U, encoded in UTF-8. “M3U” and “M3U8” files are both the basis for the HTTP Live Streaming (HLS) protocol format used by Apple, which can be played on devices such as iPhones and Macbooks. Simply put, m3u8 is a video format that divides a video […]
Android MediaCodec framework based on codec2
What is the purpose of this series of articles? Roughly: What basic services are required for decoding? What is the calling process for standard decoding? What is the role of each process? Decoding frame levels? What are the functions of each level? Refinement: Configuration of decoding parameters? Decode the flow of input packets? Application and […]
Solving UnicodeDecodeError: utf-8 codec cant decode byte 0xd3 in position 238: invalid continuation b
Table of Contents Solving UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xd3 in position 238: invalid continuation byte Method 1: Specify the correct encoding Method 2: Ignore error characters Method 3: Use other encodings to try decoding Method 4: Convert file encoding in conclusion Solving UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xd3 in position 238: invalid […]
Solving UnicodeDecodeError: utf-8 codec cant decode byte 0xce in position 130: invalid continuation byt
Table of Contents Solving UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xce in position 130: invalid continuation byte wrong reason Solution 1. Specify the correct encoding method 2. Use error handling 3. Specify file encoding method Solve UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xce in position 130: invalid continuation byte In Python programming, we often encounter […]