AudioSourceProviderGStreamer.h [plain text]
#pragma once
#if ENABLE(WEB_AUDIO) && ENABLE(VIDEO) && USE(GSTREAMER)
#include "AudioSourceProvider.h"
#include "GRefPtrGStreamer.h"
#include "MainThreadNotifier.h"
#include <gst/gst.h>
#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>
#if ENABLE(MEDIA_STREAM)
#include "GStreamerAudioStreamDescription.h"
#include "MediaStreamTrackPrivate.h"
#include "WebAudioSourceProvider.h"
#endif
typedef struct _GstAdapter GstAdapter;
typedef struct _GstAppSink GstAppSink;
namespace WebCore {
#if ENABLE(MEDIA_STREAM)
class AudioSourceProviderGStreamer final : public WebAudioSourceProvider {
public:
static Ref<AudioSourceProviderGStreamer> create(MediaStreamTrackPrivate& source)
{
return adoptRef(*new AudioSourceProviderGStreamer(source));
}
AudioSourceProviderGStreamer(MediaStreamTrackPrivate&);
#else
class AudioSourceProviderGStreamer : public AudioSourceProvider {
WTF_MAKE_FAST_ALLOCATED;
WTF_MAKE_NONCOPYABLE(AudioSourceProviderGStreamer);
public:
#endif
AudioSourceProviderGStreamer();
~AudioSourceProviderGStreamer();
void configureAudioBin(GstElement* audioBin, GstElement* audioSink);
void provideInput(AudioBus*, size_t framesToProcess) override;
void setClient(AudioSourceProviderClient*) override;
const AudioSourceProviderClient* client() const { return m_client; }
void handleNewDeinterleavePad(GstPad*);
void deinterleavePadsConfigured();
void handleRemovedDeinterleavePad(GstPad*);
GstFlowReturn handleSample(GstAppSink*, bool isPreroll);
void clearAdapters();
private:
#if ENABLE(MEDIA_STREAM)
GRefPtr<GstElement> m_pipeline;
#endif
enum MainThreadNotification {
DeinterleavePadsConfigured = 1 << 0,
};
Ref<MainThreadNotifier<MainThreadNotification>> m_notifier;
GRefPtr<GstElement> m_audioSinkBin;
AudioSourceProviderClient* m_client { nullptr };
int m_deinterleaveSourcePads { 0 };
HashMap<int, GRefPtr<GstAdapter>> m_adapters;
unsigned long m_deinterleavePadAddedHandlerId { 0 };
unsigned long m_deinterleaveNoMorePadsHandlerId { 0 };
unsigned long m_deinterleavePadRemovedHandlerId { 0 };
Lock m_adapterMutex;
};
}
#endif // ENABLE(WEB_AUDIO) && ENABLE(VIDEO) && USE(GSTREAMER)