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Code Issues Releases Wiki Activity

Don't get the duration from the audio controller on audio open 

The audio controller's provider may not have been updated yet.
This commit is contained in:
Thomas Goyne 2014-05-26 09:14:51 -07:00
parent cca97a58f6
commit 960dc3723b
3 changed files with 14 additions and 7 deletions
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8
src/audio_controller.h
View File

@ -115,6 +115,10 @@ class AudioController final : public wxEvtHandler {
/// @return The index of the first sample that is wholly inside the millisecond
int64_t SamplesFromMilliseconds(int64_t ms) const;
/// Get the duration of the currently open audio in milliseconds, or 0 if none
/// @return Duration in milliseconds
int GetDuration() const;
public:
AudioController(agi::Context *context);
~AudioController();
@ -161,10 +165,6 @@ public:
/// Returns 0 if playback is stopped. The return value is only approximate.
int GetPlaybackPosition();
/// Get the duration of the currently open audio in milliseconds, or 0 if none
/// @return Duration in milliseconds
int GetDuration() const;
/// @brief Get the primary playback range
/// @return An immutable TimeRange object
TimeRange GetPrimaryPlaybackRange() const;

10
src/audio_display.cpp
View File

@ -655,7 +655,7 @@ void AudioDisplay::SetZoomLevel(int new_zoom_level)
double cursor_time = (scroll_left + cursor_pos) * ms_per_pixel;
ms_per_pixel = new_ms_per_pixel;
pixel_audio_width = std::max(1, int(controller->GetDuration() / ms_per_pixel));
pixel_audio_width = std::max(1, int(GetDuration() / ms_per_pixel));
audio_renderer->SetMillisecondsPerPixel(ms_per_pixel);
scrollbar->ChangeLengths(pixel_audio_width, client_width);
@ -1164,6 +1164,12 @@ void AudioDisplay::OnFocus(wxFocusEvent &)
RefreshRect(scrollbar->GetBounds(), false);
}
int AudioDisplay::GetDuration() const
{
if (!provider) return 0;
return (provider->GetNumSamples() * 1000 + provider->GetSampleRate() - 1) / provider->GetSampleRate();
}
void AudioDisplay::OnAudioOpen(AudioProvider *provider)
{
this->provider = provider;
@ -1174,7 +1180,7 @@ void AudioDisplay::OnAudioOpen(AudioProvider *provider)
audio_renderer->SetAudioProvider(provider);
audio_renderer->SetCacheMaxSize(OPT_GET("Audio/Renderer/Spectrum/Memory Max")->GetInt() * 1024 * 1024);
timeline->ChangeAudio(controller->GetDuration());
timeline->ChangeAudio(GetDuration());
ms_per_pixel = 0;
SetZoomLevel(zoom_level);

3
src/audio_display.h
View File

@ -228,7 +228,8 @@ class AudioDisplay: public wxWindow {
void OnMouseEnter(wxMouseEvent&);
void OnMouseLeave(wxMouseEvent&);
// AudioControllerAudioEventListener implementation
int GetDuration() const;
void OnAudioOpen(AudioProvider *provider);
void OnPlaybackPosition(int ms_position);
void OnSelectionChanged();