effy 0.10.0

A small and friendly terminal FFmpeg helper that simplifies common tasks
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use std::collections::HashMap;

use crate::{
    params::*,
    visitors::{PRESET_SEPARATOR, PRESET_VALUE_SEPARATOR, ParameterVisitor, VisitorContext},
};

/// Apply preset

#[derive(Default)]
pub(crate) struct PresetApplier<'a> {
    ctx: VisitorContext,
    preset_map: HashMap<&'a str, &'a str>,
}

impl<'a> PresetApplier<'a> {
    pub(crate) fn new(ctx: VisitorContext, preset: &'a str) -> Self {
        let preset_map = preset
            .split(PRESET_SEPARATOR)
            .filter_map(|p| p.split_once(PRESET_VALUE_SEPARATOR))
            .collect::<HashMap<&str, &str>>();
        Self { ctx, preset_map }
    }
}

impl ParameterVisitor for PresetApplier<'_> {
    fn visit_trim(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(Trim::ID) {
            Trim::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_disable_audio(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(DisableAudio::ID) {
            DisableAudio::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_audio_bitrate(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(AudioBitrate::ID) {
            AudioBitrate::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_audio_crystalizer(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(AudioCrystalizer::ID) {
            AudioCrystalizer::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_audio_volume(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(AudioVolume::ID) {
            AudioVolume::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_audio_pitch(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(AudioPitch::ID) {
            AudioPitch::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_speed_factor(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(SpeedFactor::ID) {
            SpeedFactor::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_crop(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(Crop::ID) {
            Crop::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_video_bitrate(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(VideoBitrate::ID) {
            VideoBitrate::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_video_frame_rate(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(VideoFrameRate::ID) {
            VideoFrameRate::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_video_scale(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(VideoScale::ID) {
            VideoScale::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_hardware_acceleration(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(HardwareAcceleration::ID) {
            HardwareAcceleration::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_output_format(&mut self, data: &mut ParameterData) {
        if let Some(preset_value) = self.preset_map.get(OutputFormat::ID) {
            OutputFormat::apply_preset(&self.ctx, data, preset_value);
        }
    }

    fn visit_last(&mut self) {}
}