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LibVideo: Add a method to get the playback state from PlaybackManager

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This commit is contained in:
Zaggy1024 2023-04-12 01:01:29 -05:00 • committed by Sam Atkins
parent b081967762
commit dc049e36cf
2 changed files with 28 additions and 5 deletions
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17
Userland/Libraries/LibVideo/PlaybackManager.cpp
View file

@ -349,7 +349,7 @@ protected:
manager().dispatch_state_change(); manager().dispatch_state_change();
return {}; return {};
} }
bool is_playing() override { return m_playing; } bool is_playing() const override { return m_playing; }
ErrorOr<void> pause() override ErrorOr<void> pause() override
{ {
m_playing = false; m_playing = false;
@ -370,6 +370,8 @@ class PlaybackManager::StartingStateHandler : public PlaybackManager::ResumingSt
StringView name() override { return "Starting"sv; } StringView name() override { return "Starting"sv; }
PlaybackState get_state() const override { return PlaybackState::Starting; }
ErrorOr<void> on_timer_callback() override ErrorOr<void> on_timer_callback() override
{ {
// Once we're threaded, instead of checking for the count here we can just mutex // Once we're threaded, instead of checking for the count here we can just mutex
@ -409,7 +411,8 @@ private:
StringView name() override { return "Playing"sv; } StringView name() override { return "Playing"sv; }
bool is_playing() override { return true; }; bool is_playing() const override { return true; };
PlaybackState get_state() const override { return PlaybackState::Playing; }
ErrorOr<void> pause() override ErrorOr<void> pause() override
{ {
manager().m_last_present_in_media_time = current_time(); manager().m_last_present_in_media_time = current_time();
@ -531,7 +534,8 @@ private:
{ {
return replace_handler_and_delete_this<PlayingStateHandler>(); return replace_handler_and_delete_this<PlayingStateHandler>();
} }
bool is_playing() override { return false; }; bool is_playing() const override { return false; };
PlaybackState get_state() const override { return PlaybackState::Paused; }
}; };
class PlaybackManager::BufferingStateHandler : public PlaybackManager::ResumingStateHandler { class PlaybackManager::BufferingStateHandler : public PlaybackManager::ResumingStateHandler {
@ -549,6 +553,8 @@ class PlaybackManager::BufferingStateHandler : public PlaybackManager::ResumingS
{ {
return assume_next_state(); return assume_next_state();
} }
PlaybackState get_state() const override { return PlaybackState::Buffering; }
}; };
class PlaybackManager::SeekingStateHandler : public PlaybackManager::ResumingStateHandler { class PlaybackManager::SeekingStateHandler : public PlaybackManager::ResumingStateHandler {
@ -649,6 +655,8 @@ private:
return skip_samples_until_timestamp(); return skip_samples_until_timestamp();
} }
PlaybackState get_state() const override { return PlaybackState::Seeking; }
Time m_target_timestamp { Time::zero() }; Time m_target_timestamp { Time::zero() };
SeekMode m_seek_mode { SeekMode::Accurate }; SeekMode m_seek_mode { SeekMode::Accurate };
}; };
@ -678,7 +686,8 @@ private:
manager().m_last_present_in_media_time = start_timestamp.release_value(); manager().m_last_present_in_media_time = start_timestamp.release_value();
return replace_handler_and_delete_this<StartingStateHandler>(true); return replace_handler_and_delete_this<StartingStateHandler>(true);
} }
bool is_playing() override { return false; }; bool is_playing() const override { return false; };
PlaybackState get_state() const override { return PlaybackState::Stopped; }
}; };
} }

16
Userland/Libraries/LibVideo/PlaybackManager.h
View file

@ -91,6 +91,15 @@ public:
virtual void start(int interval_ms) = 0; virtual void start(int interval_ms) = 0;
}; };
enum class PlaybackState {
Starting,
Playing,
Paused,
Buffering,
Seeking,
Stopped,
};
class PlaybackManager { class PlaybackManager {
public: public:
enum class SeekMode { enum class SeekMode {
@ -115,6 +124,10 @@ public:
{ {
return m_playback_handler->is_playing(); return m_playback_handler->is_playing();
} }
PlaybackState get_state() const
{
return m_playback_handler->get_state();
}
u64 number_of_skipped_frames() const { return m_skipped_frames; } u64 number_of_skipped_frames() const { return m_skipped_frames; }
@ -187,7 +200,8 @@ private:
virtual ErrorOr<void> on_enter() { return {}; } virtual ErrorOr<void> on_enter() { return {}; }
virtual ErrorOr<void> play() { return {}; }; virtual ErrorOr<void> play() { return {}; };
virtual bool is_playing() = 0; virtual bool is_playing() const = 0;
virtual PlaybackState get_state() const = 0;
virtual ErrorOr<void> pause() { return {}; }; virtual ErrorOr<void> pause() { return {}; };
virtual ErrorOr<void> buffer() { return {}; }; virtual ErrorOr<void> buffer() { return {}; };
virtual ErrorOr<void> seek(Time target_timestamp, SeekMode); virtual ErrorOr<void> seek(Time target_timestamp, SeekMode);