fix broken mp3/aac export
This commit is contained in:
Skyler Lehmkuhl
parent
6c88c4a8da
commit
e03d12009f
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@ -4,6 +4,10 @@ use super::project::Project;
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use crate::command::AudioEvent;
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use std::path::Path;
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/// Render chunk size for offline export. Matches the real-time playback buffer size
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/// so that MIDI events are processed at the same granularity, avoiding timing jitter.
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const EXPORT_CHUNK_FRAMES: usize = 256;
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/// Supported export formats
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum ExportFormat {
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@ -73,6 +77,21 @@ pub fn export_audio<P: AsRef<Path>>(
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mut event_tx: Option<&mut rtrb::Producer<AudioEvent>>,
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) -> Result<(), String>
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{
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// Validate duration
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let duration = settings.end_time - settings.start_time;
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if duration <= 0.0 {
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return Err(format!(
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"Export duration is zero or negative (start={:.3}s, end={:.3}s). \
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Check that the timeline has content.",
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settings.start_time, settings.end_time
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));
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}
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let total_frames = (duration * settings.sample_rate as f64).round() as usize;
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if total_frames == 0 {
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return Err("Export would produce zero audio frames".to_string());
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}
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// Reset all node graphs to clear stale effect buffers (echo, reverb, etc.)
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project.reset_all_graphs();
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@ -135,9 +154,7 @@ pub fn render_to_memory(
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println!("Export: duration={:.3}s, total_frames={}, total_samples={}, channels={}",
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duration, total_frames, total_samples, settings.channels);
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// Render in chunks to avoid memory issues
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const CHUNK_FRAMES: usize = 4096;
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let chunk_samples = CHUNK_FRAMES * settings.channels as usize;
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let chunk_samples = EXPORT_CHUNK_FRAMES * settings.channels as usize;
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// Create buffer for rendering
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let mut render_buffer = vec![0.0f32; chunk_samples];
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@ -147,7 +164,7 @@ pub fn render_to_memory(
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let mut all_samples = Vec::with_capacity(total_samples);
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let mut playhead = settings.start_time;
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let chunk_duration = CHUNK_FRAMES as f64 / settings.sample_rate as f64;
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let chunk_duration = EXPORT_CHUNK_FRAMES as f64 / settings.sample_rate as f64;
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let mut frames_rendered = 0;
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// Render the entire timeline in chunks
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@ -345,9 +362,8 @@ fn export_mp3<P: AsRef<Path>>(
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let duration = settings.end_time - settings.start_time;
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let total_frames = (duration * settings.sample_rate as f64).round() as usize;
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const CHUNK_FRAMES: usize = 4096;
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let chunk_samples = CHUNK_FRAMES * settings.channels as usize;
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let chunk_duration = CHUNK_FRAMES as f64 / settings.sample_rate as f64;
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let chunk_samples = EXPORT_CHUNK_FRAMES * settings.channels as usize;
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let chunk_duration = EXPORT_CHUNK_FRAMES as f64 / settings.sample_rate as f64;
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// Create buffers for rendering
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let mut render_buffer = vec![0.0f32; chunk_samples];
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@ -513,9 +529,8 @@ fn export_aac<P: AsRef<Path>>(
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let duration = settings.end_time - settings.start_time;
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let total_frames = (duration * settings.sample_rate as f64).round() as usize;
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const CHUNK_FRAMES: usize = 4096;
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let chunk_samples = CHUNK_FRAMES * settings.channels as usize;
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let chunk_duration = CHUNK_FRAMES as f64 / settings.sample_rate as f64;
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let chunk_samples = EXPORT_CHUNK_FRAMES * settings.channels as usize;
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let chunk_duration = EXPORT_CHUNK_FRAMES as f64 / settings.sample_rate as f64;
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// Create buffers for rendering
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let mut render_buffer = vec![0.0f32; chunk_samples];
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@ -669,9 +684,13 @@ fn encode_complete_frame_mp3(
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channel_layout: ffmpeg_next::channel_layout::ChannelLayout,
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pts: i64,
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) -> Result<(), String> {
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if num_frames == 0 {
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return Ok(());
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}
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let channels = planar_samples.len();
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// Create audio frame with exact size
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// Create audio frame
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let mut frame = ffmpeg_next::frame::Audio::new(
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ffmpeg_next::format::Sample::I16(ffmpeg_next::format::sample::Type::Planar),
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num_frames,
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@ -680,33 +699,23 @@ fn encode_complete_frame_mp3(
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frame.set_rate(sample_rate);
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frame.set_pts(Some(pts));
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// Copy all planar samples to frame
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for ch in 0..channels {
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let plane = frame.data_mut(ch);
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let src = &planar_samples[ch];
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// Verify buffer size
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let byte_size = num_frames * std::mem::size_of::<i16>();
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if plane.len() < byte_size {
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return Err(format!(
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"FFmpeg frame buffer too small: {} bytes, need {} bytes",
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plane.len(), byte_size
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));
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}
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// Safe byte-level copy
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for (i, &sample) in src.iter().enumerate() {
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let bytes = sample.to_ne_bytes();
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let offset = i * 2;
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plane[offset..offset + 2].copy_from_slice(&bytes);
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}
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// Verify frame was allocated (check linesize[0] via planes())
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if frame.planes() == 0 {
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return Err("FFmpeg failed to allocate audio frame. Try exporting as WAV instead.".to_string());
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}
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// Copy all planar samples to frame
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// Use plane_mut::<i16> instead of data_mut — data_mut(ch) is buggy for planar audio:
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// FFmpeg only sets linesize[0], so data_mut returns 0-length slices for ch > 0.
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// plane_mut uses self.samples() for the length, which is correct for all planes.
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for ch in 0..channels {
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let plane = frame.plane_mut::<i16>(ch);
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plane.copy_from_slice(&planar_samples[ch]);
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}
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// Send frame to encoder
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encoder.send_frame(&frame)
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.map_err(|e| format!("Failed to send frame: {}", e))?;
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// Receive and write packets
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receive_and_write_packets(encoder, output)?;
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Ok(())
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@ -722,9 +731,13 @@ fn encode_complete_frame_aac(
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channel_layout: ffmpeg_next::channel_layout::ChannelLayout,
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pts: i64,
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) -> Result<(), String> {
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if num_frames == 0 {
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return Ok(());
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}
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let channels = planar_samples.len();
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// Create audio frame with exact size
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// Create audio frame
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let mut frame = ffmpeg_next::frame::Audio::new(
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ffmpeg_next::format::Sample::F32(ffmpeg_next::format::sample::Type::Planar),
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num_frames,
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@ -733,33 +746,23 @@ fn encode_complete_frame_aac(
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frame.set_rate(sample_rate);
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frame.set_pts(Some(pts));
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// Copy all planar samples to frame
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for ch in 0..channels {
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let plane = frame.data_mut(ch);
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let src = &planar_samples[ch];
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// Verify buffer size
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let byte_size = num_frames * std::mem::size_of::<f32>();
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if plane.len() < byte_size {
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return Err(format!(
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"FFmpeg frame buffer too small: {} bytes, need {} bytes",
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plane.len(), byte_size
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));
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}
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// Safe byte-level copy
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for (i, &sample) in src.iter().enumerate() {
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let bytes = sample.to_ne_bytes();
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let offset = i * 4;
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plane[offset..offset + 4].copy_from_slice(&bytes);
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}
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// Verify frame was allocated
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if frame.planes() == 0 {
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return Err("FFmpeg failed to allocate audio frame. Try exporting as WAV instead.".to_string());
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}
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// Copy all planar samples to frame
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// Use plane_mut::<f32> instead of data_mut — data_mut(ch) is buggy for planar audio:
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// FFmpeg only sets linesize[0], so data_mut returns 0-length slices for ch > 0.
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// plane_mut uses self.samples() for the length, which is correct for all planes.
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for ch in 0..channels {
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let plane = frame.plane_mut::<f32>(ch);
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plane.copy_from_slice(&planar_samples[ch]);
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}
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// Send frame to encoder
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encoder.send_frame(&frame)
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.map_err(|e| format!("Failed to send frame: {}", e))?;
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// Receive and write packets
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receive_and_write_packets(encoder, output)?;
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Ok(())
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@ -124,6 +124,54 @@ impl Action for SetLayerPropertiesAction {
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Ok(())
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}
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fn execute_backend(
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&mut self,
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backend: &mut crate::action::BackendContext,
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_document: &crate::document::Document,
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) -> Result<(), String> {
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let controller = match backend.audio_controller.as_mut() {
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Some(c) => c,
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None => return Ok(()),
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};
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for &layer_id in &self.layer_ids {
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if let Some(&track_id) = backend.layer_to_track_map.get(&layer_id) {
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match &self.property {
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LayerProperty::Volume(v) => controller.set_track_volume(track_id, *v as f32),
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LayerProperty::Muted(m) => controller.set_track_mute(track_id, *m),
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LayerProperty::Soloed(s) => controller.set_track_solo(track_id, *s),
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_ => {} // Locked/Opacity/Visible are UI-only
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}
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}
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}
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Ok(())
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}
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fn rollback_backend(
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&mut self,
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backend: &mut crate::action::BackendContext,
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_document: &crate::document::Document,
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) -> Result<(), String> {
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let controller = match backend.audio_controller.as_mut() {
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Some(c) => c,
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None => return Ok(()),
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};
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for (i, &layer_id) in self.layer_ids.iter().enumerate() {
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if let Some(&track_id) = backend.layer_to_track_map.get(&layer_id) {
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if let Some(old_value) = &self.old_values[i] {
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match old_value {
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OldValue::Volume(v) => controller.set_track_volume(track_id, *v as f32),
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OldValue::Muted(m) => controller.set_track_mute(track_id, *m),
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OldValue::Soloed(s) => controller.set_track_solo(track_id, *s),
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_ => {} // Locked/Opacity/Visible are UI-only
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}
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}
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}
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}
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Ok(())
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}
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fn description(&self) -> String {
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let property_name = match &self.property {
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LayerProperty::Volume(_) => "volume",
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@ -196,26 +196,13 @@ fn export_audio_ffmpeg_mp3<P: AsRef<Path>>(
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frame.set_rate(settings.sample_rate);
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// Copy planar samples to frame
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// Use plane_mut::<i16> instead of data_mut — data_mut(ch) is buggy for planar audio:
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// FFmpeg only sets linesize[0], so data_mut returns 0-length slices for ch > 0.
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// plane_mut uses self.samples() for the length, which is correct for all planes.
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for ch in 0..settings.channels as usize {
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let plane = frame.data_mut(ch);
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let plane = frame.plane_mut::<i16>(ch);
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let offset = samples_encoded;
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let src = &planar_samples[ch][offset..offset + chunk_size];
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// Convert i16 samples to bytes and copy
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let byte_size = chunk_size * std::mem::size_of::<i16>();
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if plane.len() < byte_size {
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return Err(format!(
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"FFmpeg frame buffer too small: {} bytes, need {} bytes",
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plane.len(), byte_size
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));
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}
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// Safe byte-level copy using slice operations
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for (i, &sample) in src.iter().enumerate() {
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let bytes = sample.to_ne_bytes();
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let offset = i * 2;
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plane[offset..offset + 2].copy_from_slice(&bytes);
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}
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plane.copy_from_slice(&planar_samples[ch][offset..offset + chunk_size]);
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}
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// Send frame to encoder
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@ -88,21 +88,19 @@ impl ExportDialog {
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let mut should_export = false;
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let mut should_close = false;
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let mut open = self.open;
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let window_title = match self.export_type {
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ExportType::Audio => "Export Audio",
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ExportType::Video => "Export Video",
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};
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egui::Window::new(window_title)
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.open(&mut open)
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.resizable(false)
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.collapsible(false)
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.anchor(egui::Align2::CENTER_CENTER, egui::Vec2::ZERO)
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let modal_response = egui::Modal::new(egui::Id::new("export_dialog_modal"))
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.show(ctx, |ui| {
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ui.set_width(500.0);
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ui.heading(window_title);
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ui.add_space(8.0);
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// Error message (if any)
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if let Some(error) = &self.error_message {
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ui.colored_label(egui::Color32::RED, error);
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@ -151,8 +149,10 @@ impl ExportDialog {
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});
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});
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// Update open state (in case user clicked X button)
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self.open = open;
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// Close on backdrop click or escape
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if modal_response.backdrop_response.clicked() {
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should_close = true;
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}
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if should_close {
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self.close();
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@ -529,14 +529,13 @@ impl ExportProgressDialog {
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let mut should_cancel = false;
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egui::Window::new("Exporting...")
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.open(&mut self.open)
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.resizable(false)
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.collapsible(false)
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.anchor(egui::Align2::CENTER_CENTER, egui::Vec2::ZERO)
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egui::Modal::new(egui::Id::new("export_progress_modal"))
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.show(ctx, |ui| {
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ui.set_width(400.0);
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ui.heading("Exporting...");
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ui.add_space(8.0);
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// Status message
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ui.label(&self.message);
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ui.add_space(8.0);
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@ -479,9 +479,11 @@ impl ExportOrchestrator {
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) {
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println!("🧵 [EXPORT THREAD] run_audio_export started");
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// Send start notification
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// Send start notification with calculated total frames
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let duration = settings.end_time - settings.start_time;
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let total_frames = (duration * settings.sample_rate as f64).round() as usize;
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progress_tx
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.send(ExportProgress::Started { total_frames: 0 })
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.send(ExportProgress::Started { total_frames })
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.ok();
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println!("🧵 [EXPORT THREAD] Sent Started progress");
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@ -2751,6 +2751,41 @@ impl EditorApp {
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}
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eprintln!("📊 [APPLY] Step 7: Fetched {} raw audio samples in {:.2}ms", raw_fetched, step7_start.elapsed().as_secs_f64() * 1000.0);
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// Rebuild MIDI event cache for all MIDI clips (needed for timeline/piano roll rendering)
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let step8_start = std::time::Instant::now();
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self.midi_event_cache.clear();
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let midi_clip_ids: Vec<u32> = self.action_executor.document()
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.audio_clips.values()
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.filter_map(|clip| clip.midi_clip_id())
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.collect();
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let mut midi_fetched = 0;
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if let Some(ref controller_arc) = self.audio_controller {
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let mut controller = controller_arc.lock().unwrap();
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for clip_id in midi_clip_ids {
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// track_id is unused by the query, pass 0
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match controller.query_midi_clip(0, clip_id) {
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Ok(clip_data) => {
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let processed_events: Vec<(f64, u8, u8, bool)> = clip_data.events.iter()
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.filter_map(|event| {
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let status_type = event.status & 0xF0;
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if status_type == 0x90 || status_type == 0x80 {
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let is_note_on = status_type == 0x90 && event.data2 > 0;
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Some((event.timestamp, event.data1, event.data2, is_note_on))
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} else {
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None
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}
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})
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.collect();
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self.midi_event_cache.insert(clip_id, processed_events);
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midi_fetched += 1;
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}
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Err(e) => eprintln!("Failed to fetch MIDI clip {}: {}", clip_id, e),
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}
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}
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}
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eprintln!("📊 [APPLY] Step 8: Rebuilt MIDI event cache for {} clips in {:.2}ms", midi_fetched, step8_start.elapsed().as_secs_f64() * 1000.0);
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// Reset playback state
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self.playback_time = 0.0;
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self.is_playing = false;
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@ -148,6 +148,70 @@ impl VirtualPianoPane {
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(start_note as u8, end_note as u8, white_key_width, 0.0)
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}
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/// Render keys visually without any input handling (used when a modal is active)
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fn render_keyboard_visual_only(
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&self,
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ui: &mut egui::Ui,
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rect: egui::Rect,
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visible_start: u8,
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visible_end: u8,
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white_key_width: f32,
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offset_x: f32,
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white_key_height: f32,
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black_key_width: f32,
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black_key_height: f32,
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) {
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// Draw white keys
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let mut white_pos = 0f32;
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for note in visible_start..=visible_end {
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if !Self::is_white_key(note) {
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continue;
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}
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let x = rect.min.x + offset_x + (white_pos * white_key_width);
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let key_rect = egui::Rect::from_min_size(
|
||||
egui::pos2(x, rect.min.y),
|
||||
egui::vec2(white_key_width - 1.0, white_key_height),
|
||||
);
|
||||
let color = if self.pressed_notes.contains(¬e) {
|
||||
egui::Color32::from_rgb(100, 150, 255)
|
||||
} else {
|
||||
egui::Color32::WHITE
|
||||
};
|
||||
ui.painter().rect_filled(key_rect, 2.0, color);
|
||||
ui.painter().rect_stroke(
|
||||
key_rect,
|
||||
2.0,
|
||||
egui::Stroke::new(1.0, egui::Color32::BLACK),
|
||||
egui::StrokeKind::Middle,
|
||||
);
|
||||
white_pos += 1.0;
|
||||
}
|
||||
|
||||
// Draw black keys
|
||||
for note in visible_start..=visible_end {
|
||||
if !Self::is_black_key(note) {
|
||||
continue;
|
||||
}
|
||||
let mut white_keys_before = 0;
|
||||
for n in visible_start..note {
|
||||
if Self::is_white_key(n) {
|
||||
white_keys_before += 1;
|
||||
}
|
||||
}
|
||||
let x = rect.min.x + offset_x + (white_keys_before as f32 * white_key_width) - (black_key_width / 2.0);
|
||||
let key_rect = egui::Rect::from_min_size(
|
||||
egui::pos2(x, rect.min.y),
|
||||
egui::vec2(black_key_width, black_key_height),
|
||||
);
|
||||
let color = if self.pressed_notes.contains(¬e) {
|
||||
egui::Color32::from_rgb(50, 100, 200)
|
||||
} else {
|
||||
egui::Color32::BLACK
|
||||
};
|
||||
ui.painter().rect_filled(key_rect, 2.0, color);
|
||||
}
|
||||
}
|
||||
|
||||
/// Render the piano keyboard
|
||||
fn render_keyboard(&mut self, ui: &mut egui::Ui, rect: egui::Rect, shared: &mut SharedPaneState) {
|
||||
// Calculate visible range and key dimensions based on pane size
|
||||
|
|
@ -158,6 +222,20 @@ impl VirtualPianoPane {
|
|||
let black_key_width = white_key_width * self.black_key_width_ratio;
|
||||
let black_key_height = white_key_height * self.black_key_height_ratio;
|
||||
|
||||
// If a modal dialog is open, don't process mouse input — just render keys visually.
|
||||
// We read raw input (ui.input) which bypasses egui's modal blocking, so we must check manually.
|
||||
let modal_active = ui.ctx().memory(|m| m.top_modal_layer().is_some());
|
||||
if modal_active {
|
||||
// Release any held notes so they don't get stuck
|
||||
if self.dragging_note.is_some() {
|
||||
if let Some(note) = self.dragging_note.take() {
|
||||
self.send_note_off(note, shared);
|
||||
}
|
||||
}
|
||||
self.render_keyboard_visual_only(ui, rect, visible_start, visible_end, white_key_width, offset_x, white_key_height, black_key_width, black_key_height);
|
||||
return;
|
||||
}
|
||||
|
||||
// Count white keys before each note for positioning
|
||||
let mut white_key_positions: std::collections::HashMap<u8, f32> = std::collections::HashMap::new();
|
||||
let mut white_count = 0;
|
||||
|
|
|
|||
Loading…
Reference in New Issue