585 lines
22 KiB
Rust
585 lines
22 KiB
Rust
extern crate ferretro_base;
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extern crate ffmpeg_next as ffmpeg;
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use std::collections::VecDeque;
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use std::io::Read;
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use std::path::{Path, PathBuf};
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use std::pin::Pin;
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use structopt::StructOpt;
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use ferretro_base::retro;
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use ferretro_base::retro::ffi::{PixelFormat, GameGeometry, SystemAvInfo, SystemInfo};
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use ferretro_base::retro::wrapper::{LibretroWrapper, RetroCallbacks};
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use ferretro_base::retro::wrapped_types::{Variable2};
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use ffmpeg::{ChannelLayout, Packet, codec, filter, format, frame, media};
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use ffmpeg::util::rational::Rational;
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struct MyEmulator {
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retro: retro::wrapper::LibretroWrapper,
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sys_info: SystemInfo,
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av_info: SystemAvInfo,
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audio_buf: Vec<(i16, i16)>,
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video_pixel_format: format::Pixel,
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prev_video_frame: Option<frame::Video>,
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video_frames: VecDeque<frame::Video>,
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video_encoder: ffmpeg::encoder::Video,
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audio_encoder: ffmpeg::encoder::Audio,
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video_filter: filter::Graph,
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audio_filter: filter::Graph,
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sys_path: Option<PathBuf>,
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frame_properties_locked: bool,
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octx: ffmpeg::format::context::Output,
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frame: u64,
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}
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fn video_filter(
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video_encoder: &ffmpeg::encoder::video::Video,
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av_info: &SystemAvInfo,
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pix_fmt: PixelFormat,
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) -> Result<filter::Graph, ffmpeg::Error> {
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let mut vfilter = filter::Graph::new();
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let pix_fmt = match pix_fmt {
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PixelFormat::ARGB1555 => if cfg!(target_endian = "big") { "rgb555be" } else { "rgb555le" },
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PixelFormat::ARGB8888 => "argb",
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PixelFormat::RGB565 => if cfg!(target_endian = "big") { "rgb565be" } else { "rgb565le" },
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};
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let pixel_aspect = av_info.geometry.aspect_ratio / (av_info.geometry.base_width as f32 / av_info.geometry.base_height as f32);
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let fps = if av_info.timing.fps == 0.0 { 60.0 } else { av_info.timing.fps };
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let args = format!(
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"width={}:height={}:pix_fmt={}:frame_rate={}:pixel_aspect={}:time_base=1/{}",
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av_info.geometry.base_width,
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av_info.geometry.base_height,
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pix_fmt,
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fps,
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pixel_aspect,
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fps,
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);
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eprintln!("🎥 filter args: {}", args);
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vfilter.add(&filter::find("buffer").unwrap(), "in", &args)?;
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//scale?
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vfilter.add(&filter::find("buffersink").unwrap(), "out", "")?;
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{
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let mut out = vfilter.get("out").unwrap();
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out.set_pixel_format(video_encoder.format());
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}
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vfilter.output("in", 0)?
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.input("out", 0)?
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.parse("null")?; // passthrough filter for video
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vfilter.validate()?;
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// human-readable filter graph
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eprintln!("{}", vfilter.dump());
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Ok(vfilter)
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}
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fn audio_filter(
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audio_encoder: &ffmpeg::codec::encoder::Audio,
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sample_rate: f64,
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) -> Result<filter::Graph, ffmpeg::Error> {
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let mut afilter = filter::Graph::new();
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let sample_rate = if sample_rate == 0.0 { 32040.0 } else { sample_rate };
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let args = format!("sample_rate={}:sample_fmt=s16:channel_layout=stereo:time_base=1/60", sample_rate);
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eprintln!("🔊 filter args: {}", args);
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afilter.add(&filter::find("abuffer").unwrap(), "in", &args)?;
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//aresample?
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afilter.add(&filter::find("abuffersink").unwrap(), "out", "")?;
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{
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let mut out = afilter.get("out").unwrap();
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out.set_sample_format(audio_encoder.format());
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out.set_channel_layout(audio_encoder.channel_layout());
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out.set_sample_rate(audio_encoder.rate());
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}
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afilter.output("in", 0)?
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.input("out", 0)?
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.parse("anull")?;
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afilter.validate()?;
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// human-readable filter graph
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eprintln!("{}", afilter.dump());
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if let Some(codec) = audio_encoder.codec() {
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if !codec
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.capabilities()
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.contains(ffmpeg::codec::capabilities::Capabilities::VARIABLE_FRAME_SIZE)
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{
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eprintln!("setting constant frame size {}", audio_encoder.frame_size());
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afilter
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.get("out")
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.unwrap()
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.sink()
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.set_frame_size(audio_encoder.frame_size());
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}
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}
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Ok(afilter)
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}
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impl MyEmulator {
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pub fn new(
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core_path: impl AsRef<Path>,
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sys_path: &Option<impl AsRef<Path>>,
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video_path: impl AsRef<Path>,
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mut octx: ffmpeg::format::context::Output,
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) -> Pin<Box<Self>> {
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let lib = libloading::Library::new(core_path.as_ref()).unwrap();
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let raw_retro = retro::loading::LibretroApi::from_library(lib).unwrap();
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let retro = retro::wrapper::LibretroWrapper::from(raw_retro);
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let sys_info = retro.get_system_info();
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let mut av_info = retro.get_system_av_info();
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let fps_int = av_info.timing.fps.round() as i32;
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let fps_int = if fps_int == 0 { 60 } else { fps_int };
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let detected_vcodec = octx.format().codec(&video_path, media::Type::Video);
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//let detected_acodec = octx.format().codec(&video_path, media::Type::Audio);
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let wavname = Path::new("out.wav");
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let detected_acodec = octx.format().codec(&wavname, media::Type::Audio);
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let vcodec = ffmpeg::encoder::find(detected_vcodec).unwrap().video().unwrap();
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let acodec = ffmpeg::encoder::find(detected_acodec).unwrap().audio().unwrap();
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let mut video_output = octx.add_stream(vcodec).unwrap();
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video_output.set_time_base(Rational::new(1, 60));
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let mut video_encoder = video_output.codec().encoder().video().unwrap();
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video_encoder.set_bit_rate(2560000);
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video_encoder.set_format(video_encoder.codec().unwrap().video().unwrap().formats().unwrap().nth(0).unwrap());
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video_encoder.set_time_base(Rational::new(1, 60));
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video_encoder.set_frame_rate(Some(Rational::new(fps_int, 1)));
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//video_encoder.set_frame_rate(av_info.timing.fps.into());
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if av_info.geometry.base_height == 0 && av_info.geometry.base_width == 0 {
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av_info.geometry.base_width = 320;
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av_info.geometry.base_height = 224;
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av_info.geometry.aspect_ratio = 4.33;
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}
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if av_info.timing.sample_rate == 0.0 {
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av_info.timing.sample_rate = 44100.0;
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}
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video_encoder.set_width(av_info.geometry.base_width);
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video_encoder.set_height(av_info.geometry.base_height);
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//video_encoder.set_aspect_ratio(av_info.geometry.aspect_ratio as f64);
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let pix_fmt = PixelFormat::ARGB1555; // temporary until env call is made
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let video_filter = video_filter(&video_encoder, &av_info, pix_fmt).unwrap();
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let video_encoder = video_encoder.open_as(vcodec).unwrap();
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//video_output.set_parameters(&video_encoder);
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let mut audio_output = octx.add_stream(acodec).unwrap();
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let mut audio_encoder = audio_output.codec().encoder().audio().unwrap();
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//let mut video_encoder = octx.add_stream(vcodec).unwrap().codec().encoder().video().unwrap();
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/*
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let mut audio_output = octx.add_stream(acodec).unwrap();
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let mut audio_encoder = audio_output.codec().encoder().audio().unwrap();
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*/
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/*
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retroarch inits
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static bool ffmpeg_init_config(struct ff_config_param *params,
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if (!ffmpeg_init_muxer_pre(handle))
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if (!ffmpeg_init_video(handle))
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av_frame_alloc
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*/
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audio_encoder.set_bit_rate(640000);
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audio_encoder.set_max_bit_rate(990000);
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//audio_encoder.set_rate(44100);
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audio_encoder.set_rate(av_info.timing.sample_rate.round() as i32);
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audio_encoder.set_channels(2);
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audio_encoder.set_channel_layout(ChannelLayout::STEREO);
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audio_encoder.set_format(audio_encoder.codec().unwrap().audio().unwrap().formats().unwrap().nth(0).unwrap());
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audio_encoder.set_time_base(Rational::new(1, 60));
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audio_output.set_time_base(Rational::new(1, 60));
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let audio_encoder = audio_encoder.open_as(acodec).unwrap();
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//audio_output.set_parameters(&audio_encoder);
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let audio_filter = audio_filter(&audio_encoder, av_info.timing.sample_rate).unwrap();
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//audio_encoder.set_rate(av_info.timing.sample_rate.round() as i32);
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octx.write_header().unwrap();
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ffmpeg::format::context::output::dump(&octx, 0, None);
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let emu = MyEmulator {
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retro,
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sys_info,
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av_info: av_info.clone(),
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audio_buf: Default::default(),
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video_pixel_format: format::Pixel::RGB555,
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prev_video_frame: None,
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video_frames: Default::default(),
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video_encoder,
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audio_encoder,
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video_filter,
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audio_filter,
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sys_path: sys_path.as_ref().map(|x| x.as_ref().to_path_buf()),
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frame_properties_locked: false,
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octx,
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frame: 0
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};
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let mut pin_emu = Box::pin(emu);
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retro::wrapper::set_handler(pin_emu.as_mut());
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pin_emu.retro.init();
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pin_emu.set_system_av_info(&av_info);
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pin_emu
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}
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fn receive_and_write_packets(&mut self, encoder: EncoderToWriteFrom)
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{
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let stream_index = match encoder {
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EncoderToWriteFrom::Video => 0,
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EncoderToWriteFrom::Audio => 1,
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};
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let mut encoded_packet = ffmpeg::Packet::empty();
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loop
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{
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match match encoder {
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EncoderToWriteFrom::Video => self.video_encoder.receive_packet(&mut encoded_packet),
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EncoderToWriteFrom::Audio => self.audio_encoder.receive_packet(&mut encoded_packet),
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} {
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Ok(..) => {
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//if encoded_packet.size() > 0 {
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encoded_packet.set_stream(stream_index);
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eprintln!("📦 Writing packet, pts {:?} dts {:?} size {}", encoded_packet.pts(), encoded_packet.dts(), encoded_packet.size());
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if stream_index == 0 {
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encoded_packet.rescale_ts(Rational(1, 60), self.octx.stream(stream_index).unwrap().time_base());
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}
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eprintln!("📦 rescaled , pts {:?} dts {:?} size {}", encoded_packet.pts(), encoded_packet.dts(), encoded_packet.size());
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match encoded_packet.write_interleaved(&mut self.octx) {
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Ok(..) => eprintln!("Write OK"),
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Err(e) => eprintln!("Error writing: {}", e),
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}
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//encoded_packet.write_interleaved(&mut self.octx).unwrap(); // AAA
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//}
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//else {
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//eprintln!("Did not try to write 0-length packet");
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//}
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},
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Err(e) => {
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eprintln!("Error writing packet: {:?}", e);
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break;
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}
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}
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}
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}
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pub fn run(&mut self, frame: i64) {
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self.frame += 1;
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self.retro.run();
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match self.video_frames.pop_front() {
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Some(mut vframe) => {
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vframe.set_pts(Some(frame));
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eprintln!("🎞 queue frame pts {:?}", vframe.pts());
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self.video_filter.get("in").unwrap().source().add(&vframe).unwrap();
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let mut filtered_vframe = frame::Video::empty();
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loop {
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match self.video_filter.get("out").unwrap().sink().frame(&mut filtered_vframe) {
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Ok(..) => {
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eprintln!("🎥 Got filtered video frame {}x{} pts {:?}", filtered_vframe.width(), filtered_vframe.height(), filtered_vframe.pts());
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if self.video_filter.get("in").unwrap().source().failed_requests() > 0 {
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println!("🎥 failed to put filter input frame");
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}
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//filtered_vframe.set_pts(Some(frame));
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self.video_encoder.send_frame(&filtered_vframe).unwrap();
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self.receive_and_write_packets(EncoderToWriteFrom::Video);
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},
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Err(e) => {
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eprintln!("Error getting filtered video frame: {:?}", e);
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break;
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}
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}
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}
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let mut aframe = frame::Audio::new(
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format::Sample::I16(format::sample::Type::Packed),
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self.audio_buf.len(),
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ChannelLayout::STEREO
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);
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if aframe.planes() > 0 {
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aframe.set_channels(2);
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aframe.set_rate(44100);
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aframe.set_pts(Some(frame));
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let aplane: &mut [(i16, i16)] = aframe.plane_mut(0);
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eprintln!("Audio buffer length {} -> {}", self.audio_buf.len(), aplane.len());
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aplane.copy_from_slice(self.audio_buf.as_ref());
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//eprintln!("src: {:?}, dest: {:?}", self.audio_buf, aplane);
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self.audio_buf.clear();
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eprintln!("frame audio: {:?}", aframe);
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eprintln!("🎞 queue frame pts {:?}", aframe.pts());
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self.audio_filter.get("in").unwrap().source().add(&aframe).unwrap();
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let mut filtered_aframe = frame::Audio::empty();
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loop {
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match self.audio_filter.get("out").unwrap().sink().frame(&mut filtered_aframe) {
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Ok(..) => {
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eprintln!("🔊 Got filtered audio frame {:?} pts {:?}", filtered_aframe, filtered_aframe.pts());
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if self.audio_filter.get("in").unwrap().source().failed_requests() > 0 {
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println!("🎥 failed to put filter input frame");
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}
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//let faplane: &[f32] = filtered_aframe.plane(0);
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//filtered_aframe.set_pts(Some(frame));
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self.audio_encoder.send_frame(&filtered_aframe).unwrap();
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self.receive_and_write_packets(EncoderToWriteFrom::Audio);
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},
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Err(e) => {
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eprintln!("Error getting filtered audio frame: {:?}", e);
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break;
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}
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}
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}
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}
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},
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None => println!("Video not ready during frame {}", self.frame)
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}
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}
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pub fn load_game(&mut self, rom: impl AsRef<Path>) {
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let path = rom.as_ref();
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let mut data = None;
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let mut v = Vec::new();
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if !self.sys_info.need_fullpath {
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if let Ok(mut f) = std::fs::File::open(path) {
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if f.read_to_end(&mut v).is_ok() {
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data = Some(v.as_ref());
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}
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}
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}
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self.retro
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.load_game(Some(path), data, None)
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.unwrap();
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}
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pub fn end(&mut self) {
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self.video_encoder.send_eof();
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self.receive_and_write_packets(EncoderToWriteFrom::Video);
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self.audio_encoder.send_eof();
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self.receive_and_write_packets(EncoderToWriteFrom::Audio);
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self.octx.write_trailer().unwrap();
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}
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pub fn unserialize(&mut self, state: impl AsRef<Path>) -> Result<(), Box<dyn std::error::Error>> {
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let path = state.as_ref();
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let mut v = Vec::new();
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if let Ok(mut f) = std::fs::File::open(path) {
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if f.read_to_end(&mut v).is_ok(){
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return self.retro.unserialize(v.as_ref());
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}
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}
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Err("Couldn't read file to unserialize".into())
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}
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}
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impl retro::wrapper::LibretroWrapperAccess for MyEmulator {
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fn libretro_core(&mut self) -> &mut LibretroWrapper {
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&mut self.retro
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}
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}
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impl retro::wrapper::RetroCallbacks for MyEmulator {
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fn video_refresh(&mut self, data: &[u8], width: u32, height: u32, pitch: u32) {
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let mut vframe = frame::Video::new(self.video_pixel_format, width, height);
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let stride = vframe.stride(0);
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let pitch = pitch as usize;
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let vplane = vframe.data_mut(0);
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if data.len() == vplane.len() && pitch == stride {
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vplane.copy_from_slice(&data);
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} else {
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for y in 0..(height as usize) {
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let ffbegin = y * stride;
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let lrbegin = y * pitch;
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let min = usize::min(stride, pitch);
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vplane[ffbegin..(ffbegin + min)].copy_from_slice(
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&data[lrbegin..(lrbegin + min)]
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);
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}
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}
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//vframe.set_pts(Some(self.frame as i64));
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self.prev_video_frame.replace(vframe.clone());
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self.video_frames.push_back(vframe);
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}
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fn video_refresh_dupe(&mut self, width: u32, height: u32, _pitch: u32) {
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if let Some(frame) = &self.prev_video_frame {
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self.video_frames.push_back(frame.clone());
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} else {
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let vframe = frame::Video::new(self.video_pixel_format, width, height);
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self.video_frames.push_back(vframe);
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}
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}
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fn audio_sample(&mut self, left: i16, right: i16) {
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self.audio_buf.push((left, right));
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}
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fn audio_sample_batch(&mut self, stereo_pcm: &[i16]) -> usize {
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let left_iter = stereo_pcm.iter().step_by(2).cloned();
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let right_iter = stereo_pcm.iter().skip(1).step_by(2).cloned();
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self.audio_buf.extend(Iterator::zip(left_iter, right_iter));
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stereo_pcm.len()
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}
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fn get_system_directory(&mut self) -> Option<PathBuf> {
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self.sys_path.clone()
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}
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fn set_pixel_format(&mut self, format: PixelFormat) -> Option<bool> {
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if self.frame_properties_locked {
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return Some(true);
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}
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|
|
self.video_pixel_format = match format {
|
|
PixelFormat::ARGB1555 => format::Pixel::RGB555,
|
|
PixelFormat::ARGB8888 => format::Pixel::RGB32,
|
|
PixelFormat::RGB565 => format::Pixel::RGB565,
|
|
};
|
|
self.video_filter = video_filter(&self.video_encoder, &self.av_info, format).unwrap();
|
|
Some(true)
|
|
}
|
|
|
|
fn set_system_av_info(&mut self, system_av_info: &SystemAvInfo) -> Option<bool> {
|
|
if self.frame_properties_locked {
|
|
return Some(true);
|
|
}
|
|
|
|
//self.video_encoder.set_frame_rate(system_av_info.timing.fps.into());
|
|
//self.video_encoder.set_time_base(Rational::new(1, 60));
|
|
//self.video_encoder.set_frame_rate(Some(Rational::new(1, 60)));
|
|
if system_av_info.timing.sample_rate.round() as i32 > 0 {
|
|
self.audio_encoder.set_rate(system_av_info.timing.sample_rate.round() as i32);
|
|
}
|
|
self.av_info.timing = system_av_info.timing.clone();
|
|
self.set_geometry(&system_av_info.geometry);
|
|
Some(true)
|
|
}
|
|
|
|
fn set_geometry(&mut self, geometry: &GameGeometry) -> Option<bool> {
|
|
if self.frame_properties_locked {
|
|
return Some(true);
|
|
}
|
|
|
|
self.video_encoder.set_width(geometry.base_width);
|
|
self.video_encoder.set_height(geometry.base_height);
|
|
//self.video_encoder.set_aspect_ratio(geometry.aspect_ratio as f64);
|
|
self.av_info.geometry = geometry.clone();
|
|
let pixel_format = match self.video_pixel_format {
|
|
format::Pixel::RGB555 => PixelFormat::ARGB1555,
|
|
format::Pixel::RGB32 => PixelFormat::ARGB8888,
|
|
format::Pixel::RGB565 => PixelFormat::RGB565,
|
|
_ => unimplemented!(),
|
|
};
|
|
self.video_filter = video_filter(&self.video_encoder, &self.av_info, pixel_format).unwrap();
|
|
Some(true)
|
|
}
|
|
|
|
|
|
fn get_variable(&mut self, key: &str) -> Option<String> {
|
|
match key {
|
|
"beetle_saturn_analog_stick_deadzone" => Some("15%".to_string()),
|
|
//"parallel-n64-gfxplugin" => Some("angrylion".to_string()),
|
|
"parallel-n64-astick-deadzone" => Some("15%".to_string()),
|
|
_ => None,
|
|
}
|
|
}
|
|
|
|
fn set_variables(&mut self, variables: &Vec<Variable2>) -> Option<bool> {
|
|
for v in variables {
|
|
eprintln!("{:?}", v);
|
|
}
|
|
Some(true)
|
|
}
|
|
|
|
fn log_print(&mut self, level: retro::ffi::LogLevel, msg: &str) {
|
|
eprint!("🕹️ [{:?}] {}", level, msg);
|
|
}
|
|
}
|
|
|
|
#[derive(StructOpt)]
|
|
struct Opt {
|
|
/// Core module to use.
|
|
#[structopt(short, long, parse(from_os_str))]
|
|
core: PathBuf,
|
|
/// ROM to load using the core.
|
|
#[structopt(short, long, parse(from_os_str))]
|
|
rom: PathBuf,
|
|
/// Recorded video to write.
|
|
#[structopt(short, long, parse(from_os_str))]
|
|
video: PathBuf,
|
|
/// Save state to load at startup.
|
|
#[structopt(long, parse(from_os_str))]
|
|
state: Option<PathBuf>,
|
|
/// System directory, often containing BIOS files
|
|
#[structopt(short, long, parse(from_os_str))]
|
|
system: Option<PathBuf>,
|
|
}
|
|
|
|
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
|
let opt: Opt = Opt::from_args();
|
|
ffmpeg::log::set_level(ffmpeg::log::Level::Trace);
|
|
ffmpeg::init().unwrap();
|
|
|
|
let mut octx = format::output(&opt.video)?;
|
|
unsafe {
|
|
(*octx.as_mut_ptr()).debug = 1;
|
|
eprintln!("oformat: {:?}", &((*octx.as_mut_ptr()).oformat));
|
|
eprintln!("flags: {:?}", (*(*octx.as_mut_ptr()).oformat).flags);
|
|
}
|
|
|
|
//octx.write_header().unwrap();
|
|
|
|
let mut emu = MyEmulator::new(opt.core, &opt.system, &opt.video, octx);
|
|
emu.load_game(opt.rom);
|
|
|
|
emu.frame_properties_locked = true;
|
|
|
|
if let Some(state) = opt.state {
|
|
emu.unserialize(state)?;
|
|
}
|
|
|
|
//for frame in 0..60*10 {
|
|
for frame in 0..800 {
|
|
eprintln!("🖼️ frame: {}", frame);
|
|
emu.run(frame);
|
|
|
|
}
|
|
let mut packet = Packet::empty();
|
|
eprintln!("flushed: {:?}", emu.video_encoder.flush(&mut packet)?);
|
|
|
|
emu.end();
|
|
//octx.write_trailer().unwrap();
|
|
Ok(())
|
|
}
|
|
|
|
enum EncoderToWriteFrom {
|
|
Video,
|
|
Audio,
|
|
}
|