Fix rsmpeg version specifications - remove invalid feature flags

- rsmpeg doesn't use feature flags for FFmpeg versions
- Must use specific rsmpeg versions: 0.14.2 for FFmpeg 6, 0.17.0 for FFmpeg 7, 0.18.0 for FFmpeg 8
- Fixed incorrect 'ffmpeg6', 'ffmpeg7', 'ffmpeg8' feature flags

Author: prateekmedia

src/rust/Cargo.toml

@@ -14,7 +14,7 @@ crate-type = ["staticlib"]
 log = "0.4.26"
 env_logger = "0.8.4"
 palette = "0.6.1"
-# Default rsmpeg (for other platforms)
+# Default rsmpeg for macOS and other platforms (FFmpeg 8.0)
 rsmpeg = { version = "=0.18.0", default-features = false, features = ["link_system_ffmpeg"], optional = true }
 tesseract-sys = { version = "0.5.15", optional = true, default-features = false }
 leptonica-sys = { version = "= 0.4.6", optional = true, default-features = false }
@@ -28,14 +28,11 @@ lib_ccxr = { path = "lib_ccxr" }
 url = "2.5.4"
 encoding_rs = "0.8.5"
 
-# Platform-specific rsmpeg configurations
-# Linux uses FFmpeg 6.1, Windows uses FFmpeg 7.1, macOS uses FFmpeg 8.0
+# Platform-specific rsmpeg configurations (overrides default)
+# Linux uses FFmpeg 6.1, Windows uses FFmpeg 7.1
 [target.'cfg(target_os = "linux")'.dependencies]
 rsmpeg = { version = "=0.14.2", default-features = false, features = ["link_system_ffmpeg"], optional = true }
 
-[target.'cfg(target_os = "macos")'.dependencies]
-rsmpeg = { version = "=0.18.0", default-features = false, features = ["link_system_ffmpeg"], optional = true }
-
 [target.'cfg(windows)'.dependencies]
 rsmpeg = { version = "=0.17.0", default-features = false, features = ["link_system_ffmpeg"], optional = true }