mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2025-04-02 11:02:17 -04:00
a7c296d6c4
calls to Logf() which do no formatting replaced with Log() calls to Log() with Sprintf() replaced with Logf() error types sent without use of Error(), taken advantage of new logger package features correct construction of wrapped errors in eeprom package
89 lines
2.8 KiB
Go
89 lines
2.8 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Gopher2600 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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package tracker
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import (
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"fmt"
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"github.com/jetsetilly/gopher2600/debugger/govern"
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"github.com/jetsetilly/gopher2600/environment"
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"github.com/jetsetilly/gopher2600/hardware"
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"github.com/jetsetilly/gopher2600/hardware/television"
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"github.com/jetsetilly/gopher2600/logger"
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"github.com/jetsetilly/gopher2600/rewind"
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)
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const replayLabel = environment.Label("tracker_replay")
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// create replay emulation if it has not been created already
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func (tr *Tracker) createReplayEmulation(mixer television.AudioMixer) error {
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if tr.replayEmulation != nil {
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return nil
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}
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tv, err := television.NewTelevision(tr.tv.GetSpecID())
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if err != nil {
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return fmt.Errorf("tracker: create replay emulation: %w", err)
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}
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tv.AddAudioMixer(mixer)
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tr.replayEmulation, err = hardware.NewVCS(replayLabel, tv, nil, nil)
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if err != nil {
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return fmt.Errorf("tracker: create replay emulation: %w", err)
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}
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tr.replayEmulation.TIA.Audio.SetTracker(tr)
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return nil
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}
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// Replay audio from start to end indexes
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//
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// The onEnd argument is a function to run when the replay has concluded
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func (tr *Tracker) Replay(start int, end int, mixer television.AudioMixer, onEnd func()) {
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// the replay will run even if the master emulation is running. this may
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// cause audible issues with the hardware audio mixing
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tr.createReplayEmulation(mixer)
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tr.crit.section.Lock()
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defer tr.crit.section.Unlock()
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startState := tr.rewind.GetState(tr.crit.Entries[start].Coords.Frame)
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if startState == nil {
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logger.Logf(logger.Allow, "tracker", "replay: can't find rewind state for frame %d", tr.crit.Entries[start].Coords.Frame)
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return
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}
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rewind.Plumb(tr.replayEmulation, startState, true)
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// get copy of end frame number so that we don't have to acquire the
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// criticial section in the replay emulation
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endFrame := tr.crit.Entries[end].Coords.Frame
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go func() {
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defer onEnd()
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err := tr.replayEmulation.Run(func() (govern.State, error) {
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if tr.replayEmulation.TV.GetCoords().Frame > endFrame {
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return govern.Ending, nil
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}
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return govern.Running, nil
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})
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if err != nil {
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logger.Logf(logger.Allow, "tracker", "replay: %v", err.Error())
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}
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}()
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}
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