Aegisub/aegisub/src/audio_timing_karaoke.cpp
Thomas Goyne 70fcece459 Don't create the audio timing controller until audio is actually opened
Originally committed to SVN as r5888.
2011-11-18 22:58:22 +00:00

339 lines
11 KiB
C++

// Copyright (c) 2011, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$
/// @file audio_timing_karaoke.cpp
/// @brief Timing mode for karaoke
/// @ingroup audio_ui
///
#include "config.h"
#include <libaegisub/signal.h>
#include "ass_dialogue.h"
#include "ass_file.h"
#include "ass_karaoke.h"
#include "audio_marker_provider_keyframes.h"
#include "audio_renderer.h"
#include "audio_timing.h"
#include "include/aegisub/context.h"
#include "main.h"
#include "pen.h"
#include "utils.h"
#ifndef AGI_PRE
#include <deque>
#endif
/// @class KaraokeMarker
/// @brief AudioMarker implementation for AudioTimingControllerKaraoke
class KaraokeMarker : public AudioMarker {
int64_t position;
Pen *pen;
FeetStyle style;
public:
int64_t GetPosition() const { return position; }
wxPen GetStyle() const { return *pen; }
FeetStyle GetFeet() const { return style; }
bool CanSnap() const { return false; }
void Move(int64_t new_pos) { position = new_pos; }
KaraokeMarker(int64_t position, Pen *pen, FeetStyle style)
: position(position)
, pen(pen)
, style(style)
{
}
KaraokeMarker(int64_t position) : position(position) { }
operator int64_t() const { return position; }
};
/// @class AudioTimingControllerKaraoke
/// @brief Karaoke timing mode for timing subtitles
///
/// Displays the active line with draggable markers between each pair of
/// adjacent syllables, along with the text of each syllable.
///
/// This does not support \kt, as it inherently requires that the end time of
/// one syllable be the same as the start time of the next one.
class AudioTimingControllerKaraoke : public AudioTimingController {
std::deque<agi::signal::Connection> slots;
agi::signal::Connection& file_changed_slot;
agi::Context *c; ///< Project context
AssDialogue *active_line; ///< Currently active line
AssKaraoke *kara; ///< Parsed karaoke model provided by karaoke controller
size_t cur_syl; ///< Index of currently selected syllable in the line
/// Pen used for the mid-syllable markers
Pen separator_pen;
/// Pen used for the start-of-line marker
Pen start_pen;
/// Pen used for the end-of-line marker
Pen end_pen;
/// Immobile marker for the beginning of the line
KaraokeMarker start_marker;
/// Immobile marker for the end of the line
KaraokeMarker end_marker;
/// Mobile markers between each pair of syllables
std::vector<KaraokeMarker> markers;
/// Marker provider for video keyframes
AudioMarkerProviderKeyframes keyframes_provider;
/// Labels containing the stripped text of each syllable
std::vector<AudioLabel> labels;
bool auto_commit; ///< Should changes be automatically commited?
bool auto_next; ///< Should user-initiated commits automatically go to the next?
int commit_id; ///< Last commit id used for an autocommit
void OnAutoCommitChange(agi::OptionValue const& opt);
void OnAutoNextChange(agi::OptionValue const& opt);
int64_t ToMS(int64_t samples) const { return c->audioController->MillisecondsFromSamples(samples); }
int64_t ToSamples(int64_t ms) const { return c->audioController->SamplesFromMilliseconds(ms); }
void DoCommit();
public:
// AudioTimingController implementation
void GetMarkers(const SampleRange &range, AudioMarkerVector &out_markers) const;
wxString GetWarningMessage() const { return ""; }
SampleRange GetIdealVisibleSampleRange() const;
void GetRenderingStyles(AudioRenderingStyleRanges &ranges) const;
SampleRange GetPrimaryPlaybackRange() const;
bool HasLabels() const { return true; }
void GetLabels(const SampleRange &range, std::vector<AudioLabel> &out_labels) const;
void Next();
void Prev();
void Commit();
void Revert();
bool IsNearbyMarker(int64_t sample, int sensitivity) const;
AudioMarker * OnLeftClick(int64_t sample, int sensitivity);
AudioMarker * OnRightClick(int64_t sample, int sensitivity) { return 0; }
void OnMarkerDrag(AudioMarker *marker, int64_t new_position);
AudioTimingControllerKaraoke(agi::Context *c, AssKaraoke *kara, agi::signal::Connection& file_changed);
};
AudioTimingController *CreateKaraokeTimingController(agi::Context *c, AssKaraoke *kara, agi::signal::Connection& file_changed)
{
return new AudioTimingControllerKaraoke(c, kara, file_changed);
}
AudioTimingControllerKaraoke::AudioTimingControllerKaraoke(agi::Context *c, AssKaraoke *kara, agi::signal::Connection& file_changed)
: file_changed_slot(file_changed)
, c(c)
, active_line(c->selectionController->GetActiveLine())
, kara(kara)
, cur_syl(0)
, separator_pen("Colour/Audio Display/Syllable Boundaries", "Audio/Line Boundaries Thickness", wxPENSTYLE_DOT)
, start_pen("Colour/Audio Display/Line boundary Start", "Audio/Line Boundaries Thickness")
, end_pen("Colour/Audio Display/Line boundary End", "Audio/Line Boundaries Thickness")
, start_marker(ToSamples(active_line->Start.GetMS()), &start_pen, AudioMarker::Feet_Right)
, end_marker(ToSamples(active_line->End.GetMS()), &end_pen, AudioMarker::Feet_Left)
, keyframes_provider(c, "Audio/Display/Draw/Keyframes in Karaoke Mode")
, auto_commit(OPT_GET("Audio/Auto/Commit")->GetBool())
, auto_next(OPT_GET("Audio/Next Line on Commit")->GetBool())
, commit_id(-1)
{
slots.push_back(kara->AddSyllablesChangedListener(&AudioTimingControllerKaraoke::Revert, this));
slots.push_back(OPT_SUB("Audio/Auto/Commit", &AudioTimingControllerKaraoke::OnAutoCommitChange, this));
slots.push_back(OPT_SUB("Audio/Next Line on Commit", &AudioTimingControllerKaraoke::OnAutoNextChange, this));
keyframes_provider.AddMarkerMovedListener(std::tr1::bind(std::tr1::ref(AnnounceMarkerMoved)));
Revert();
}
void AudioTimingControllerKaraoke::OnAutoCommitChange(agi::OptionValue const& opt) {
auto_commit = opt.GetBool();
}
void AudioTimingControllerKaraoke::OnAutoNextChange(agi::OptionValue const& opt) {
auto_next = opt.GetBool();
}
void AudioTimingControllerKaraoke::Next() {
++cur_syl;
if (cur_syl > markers.size()) {
--cur_syl;
c->selectionController->NextLine();
}
else {
AnnounceUpdatedPrimaryRange();
AnnounceUpdatedStyleRanges();
}
}
void AudioTimingControllerKaraoke::Prev() {
if (cur_syl == 0) {
AssDialogue *old_line = active_line;
c->selectionController->PrevLine();
if (old_line != active_line) {
cur_syl = markers.size();
AnnounceUpdatedPrimaryRange();
AnnounceUpdatedStyleRanges();
}
}
else {
--cur_syl;
AnnounceUpdatedPrimaryRange();
AnnounceUpdatedStyleRanges();
}
}
void AudioTimingControllerKaraoke::GetRenderingStyles(AudioRenderingStyleRanges &ranges) const
{
SampleRange sr = GetPrimaryPlaybackRange();
ranges.AddRange(sr.begin(), sr.end(), AudioStyle_Selected);
}
SampleRange AudioTimingControllerKaraoke::GetPrimaryPlaybackRange() const {
return SampleRange(
cur_syl > 0 ? markers[cur_syl - 1] : start_marker,
cur_syl < markers.size() ? markers[cur_syl] : end_marker);
}
SampleRange AudioTimingControllerKaraoke::GetIdealVisibleSampleRange() const {
return SampleRange(start_marker, end_marker);
}
void AudioTimingControllerKaraoke::GetMarkers(SampleRange const& range, AudioMarkerVector &out) const {
size_t i;
for (i = 0; i < markers.size() && markers[i] < range.begin(); ++i) ;
for (; i < markers.size() && markers[i] < range.end(); ++i)
out.push_back(&markers[i]);
if (range.contains(start_marker)) out.push_back(&start_marker);
if (range.contains(end_marker)) out.push_back(&end_marker);
keyframes_provider.GetMarkers(range, out);
}
void AudioTimingControllerKaraoke::DoCommit() {
active_line->Text = kara->GetText();
file_changed_slot.Block();
commit_id = c->ass->Commit(_("karaoke timing"), AssFile::COMMIT_DIAG_TEXT, commit_id, active_line);
file_changed_slot.Unblock();
}
void AudioTimingControllerKaraoke::Commit() {
if (!auto_commit)
DoCommit();
if (auto_next)
c->selectionController->NextLine();
}
void AudioTimingControllerKaraoke::Revert() {
active_line = c->selectionController->GetActiveLine();
cur_syl = 0;
commit_id = -1;
start_marker.Move(ToSamples(active_line->Start.GetMS()));
end_marker.Move(ToSamples(active_line->End.GetMS()));
markers.clear();
labels.clear();
markers.reserve(kara->size());
labels.reserve(kara->size());
for (AssKaraoke::iterator it = kara->begin(); it != kara->end(); ++it) {
int64_t sample = ToSamples(it->start_time);
if (it != kara->begin())
markers.push_back(KaraokeMarker(sample, &separator_pen, AudioMarker::Feet_None));
labels.push_back(AudioLabel(it->text, SampleRange(sample, ToSamples(it->start_time + it->duration))));
}
AnnounceUpdatedPrimaryRange();
AnnounceUpdatedStyleRanges();
AnnounceMarkerMoved();
}
bool AudioTimingControllerKaraoke::IsNearbyMarker(int64_t sample, int sensitivity) const {
SampleRange range(sample - sensitivity, sample + sensitivity);
for (size_t i = 0; i < markers.size(); ++i)
if (range.contains(markers[i]))
return true;
return false;
}
AudioMarker *AudioTimingControllerKaraoke::OnLeftClick(int64_t sample, int sensitivity) {
SampleRange range(sample - sensitivity, sample + sensitivity);
size_t syl = distance(markers.begin(), lower_bound(markers.begin(), markers.end(), sample));
if (syl < markers.size() && range.contains(markers[syl]))
return &markers[syl];
if (syl > 0 && range.contains(markers[syl - 1]))
return &markers[syl - 1];
cur_syl = syl;
AnnounceUpdatedPrimaryRange();
AnnounceUpdatedStyleRanges();
return 0;
}
void AudioTimingControllerKaraoke::OnMarkerDrag(AudioMarker *m, int64_t new_position) {
KaraokeMarker *marker = static_cast<KaraokeMarker*>(m);
// No rearranging of syllables allowed
new_position = mid(
marker == &markers.front() ? start_marker.GetPosition() : (marker - 1)->GetPosition(),
new_position,
marker == &markers.back() ? end_marker.GetPosition() : (marker + 1)->GetPosition());
marker->Move(new_position);
size_t syl = marker - &markers.front() + 1;
kara->SetStartTime(syl, ToMS(new_position));
if (syl == cur_syl || syl + 1 == cur_syl) {
AnnounceUpdatedPrimaryRange();
AnnounceUpdatedStyleRanges();
}
AnnounceMarkerMoved();
labels[syl - 1].range = SampleRange(labels[syl - 1].range.begin(), new_position);
labels[syl].range = SampleRange(new_position, labels[syl].range.end());
AnnounceLabelChanged();
if (auto_commit)
DoCommit();
else
commit_id = -1;
}
void AudioTimingControllerKaraoke::GetLabels(SampleRange const& range, std::vector<AudioLabel> &out) const {
for (size_t i = 0; i < labels.size(); ++i) {
if (range.overlaps(labels[i].range))
out.push_back(labels[i]);
}
}