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Feat: Implement H264 for Linux client with dynamic libx264 loading

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yuanyuanxiang
2026-05-03 12:15:22 +02:00
parent 36423b1c7c
commit ca37fa419a
6 changed files with 646 additions and 38 deletions
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7
macos/ScreenHandler.h
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@@ -4,6 +4,7 @@
#import <dispatch/dispatch.h>
#import <IOKit/pwr_mgt/IOPMLib.h>
#import "../client/IOCPClient.h"
#import "../common/commands.h" // QualityLevel, QualityProfile, ALGORITHM_*
#include <vector>
#include <atomic>
#include <mutex>
@@ -33,11 +34,7 @@ struct BITMAPINFOHEADER_MAC {
};
#pragma pack(pop)
// Screen algorithm constants
#define ALGORITHM_GRAY 0
#define ALGORITHM_DIFF 1
#define ALGORITHM_H264 2
#define ALGORITHM_RGB565 3
// Algorithm constants from commands.h: ALGORITHM_GRAY, ALGORITHM_DIFF, ALGORITHM_H264, ALGORITHM_RGB565
class ScreenHandler : public IOCPManager {
public:

44
macos/ScreenHandler.mm
View File

@@ -357,28 +357,40 @@ void ScreenHandler::applyQualityLevel(int8_t level, bool persist)
{
m_qualityLevel = level;
// TODO: persist to config file if needed
(void)persist;
if (level == QUALITY_DISABLED) {
NSLog(@"Quality: Disabled");
// Disabled mode: keep current settings
NSLog(@"Quality: Disabled (keep current)");
return;
}
// Quality profiles: [FPS, Algorithm]
// H264 provides best compression for remote desktop
// Note: macOS uses slightly higher FPS than Windows for smoother experience
static const int profiles[QUALITY_COUNT][2] = {
{5, ALGORITHM_GRAY}, // Level 0: Emergency (very low bandwidth)
{10, ALGORITHM_RGB565}, // Level 1: Low
{15, ALGORITHM_H264}, // Level 2: Medium (office work default)
{20, ALGORITHM_H264}, // Level 3: Good
{25, ALGORITHM_H264}, // Level 4: High
{30, ALGORITHM_H264}, // Level 5: Smooth
};
if (level >= 0 && level < QUALITY_COUNT) {
m_maxFPS.store(profiles[level][0]);
m_algorithm.store(profiles[level][1]);
NSLog(@"Quality: Level=%d, FPS=%d, Algo=%d", level, profiles[level][0], profiles[level][1]);
// Get profile from commands.h (shared with Windows/Linux)
const QualityProfile& profile = GetQualityProfile(level);
// Apply FPS
m_maxFPS.store(profile.maxFPS);
// Apply algorithm (macOS supports all algorithms including H264 via VideoToolbox)
m_algorithm.store(profile.algorithm);
// Update H264 bitrate if applicable
if (profile.algorithm == ALGORITHM_H264 && profile.bitRate > 0) {
m_h264Bitrate = profile.bitRate * 1000; // kbps -> bps
}
NSLog(@"Quality: Level=%d (%s), FPS=%d, Algo=%d, BitRate=%d kbps",
level,
level == QUALITY_ULTRA ? "Ultra" :
level == QUALITY_HIGH ? "High" :
level == QUALITY_GOOD ? "Good" :
level == QUALITY_MEDIUM ? "Medium" :
level == QUALITY_LOW ? "Low" : "Minimal",
profile.maxFPS, profile.algorithm, profile.bitRate);
} else {
// Adaptive mode (level=-1): server adjusts dynamically
NSLog(@"Quality: Adaptive mode");
}
}