X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Fffmpeg_capture.h;h=4cddbfddf757bce77a1f49b6c21b52bd7b57675b;hb=5a34f92eb0bf5fe911cb6ca72a18ad03ce9898ac;hp=a9a837115977348265115bb77ca0b59a935eecc9;hpb=1c72c1bdbe20edb994ab39b80306a0184de58c7e;p=nageru

diff --git a/nageru/ffmpeg_capture.h b/nageru/ffmpeg_capture.h
index a9a8371..4cddbfd 100644
--- a/nageru/ffmpeg_capture.h
+++ b/nageru/ffmpeg_capture.h
@@ -33,6 +33,7 @@
 #include <string>
 #include <thread>
 
+#include <movit/effect.h>
 #include <movit/ycbcr.h>
 
 extern "C" {
@@ -56,6 +57,10 @@ class FFmpegCapture : public bmusb::CaptureInterface
 {
 public:
 	FFmpegCapture(const std::string &filename, unsigned width, unsigned height);
+#ifdef HAVE_SRT
+	// Takes ownership of the SRT client socket.
+	FFmpegCapture(int srt_sock, const std::string &stream_id);
+#endif
 	~FFmpegCapture();
 
 	void set_card_index(int card_index)
@@ -181,6 +186,12 @@ public:
 		return has_last_subtitle;
 	}
 
+	// Same.
+	movit::RGBTriplet get_last_neutral_color() const
+	{
+		return last_neutral_color;
+	}
+
 	void set_dequeue_thread_callbacks(std::function<void()> init, std::function<void()> cleanup) override
 	{
 		dequeue_init_callback = init;
@@ -188,6 +199,11 @@ public:
 		has_dequeue_callbacks = true;
 	}
 
+	void set_card_disconnected_callback(bmusb::card_disconnected_callback_t callback)
+	{
+		card_disconnected_callback = callback;
+	}
+
 	std::string get_description() const override
 	{
 		return description;
@@ -196,7 +212,8 @@ public:
 	void configure_card() override;
 	void start_bm_capture() override;
 	void stop_dequeue_thread() override;
-	bool get_disconnected() const override { return false; }  // We never unplug.
+	bool get_disconnected() const override { return disconnected; }  // Only if play_once == true.
+	int get_srt_sock() const { return srt_sock; }
 
 	std::map<uint32_t, bmusb::VideoMode> get_available_video_modes() const override;
 	void set_video_mode(uint32_t video_mode_id) override {}  // Ignore.
@@ -242,18 +259,28 @@ private:
 	bmusb::VideoFormat construct_video_format(const AVFrame *frame, AVRational video_timebase);
 	UniqueFrame make_video_frame(const AVFrame *frame, const std::string &pathname, bool *error);
 
-	static int interrupt_cb_thunk(void *unique);
+	static int interrupt_cb_thunk(void *opaque);
 	int interrupt_cb();
 
+#ifdef HAVE_SRT
+	static int read_srt_thunk(void *opaque, uint8_t *buf, int buf_size);
+	int read_srt(uint8_t *buf, int buf_size);
+#endif
+
+	inline unsigned frame_width(const AVFrame *frame) const;
+	inline unsigned frame_height(const AVFrame *frame) const;
+
 	mutable std::mutex filename_mu;
 	std::string description, filename;
+	int srt_sock = -1;
 	uint16_t timecode = 0;
-	unsigned width, height;
+	unsigned width, height;  // 0 means keep input size.
 	bmusb::PixelFormat pixel_format = bmusb::PixelFormat_8BitBGRA;
 	movit::YCbCrFormat current_frame_ycbcr_format;
 	bool running = false;
 	int card_index = -1;
 	double rate = 1.0;
+	bool play_as_fast_as_possible = false;  // Activated iff rate >= 10.0.
 	std::atomic<bool> should_interrupt{false};
 	bool last_frame_was_connected = true;
 
@@ -261,6 +288,10 @@ private:
 	std::function<void()> dequeue_init_callback = nullptr;
 	std::function<void()> dequeue_cleanup_callback = nullptr;
 
+	bmusb::card_disconnected_callback_t card_disconnected_callback = nullptr;
+	bool play_once = false;  // End thread after playing. Only for SRT, since the socket is ephemeral.
+	std::atomic<bool> disconnected{false};
+
 	bmusb::FrameAllocator *video_frame_allocator = nullptr;
 	bmusb::FrameAllocator *audio_frame_allocator = nullptr;
 	std::unique_ptr<bmusb::FrameAllocator> owned_video_frame_allocator;
@@ -296,6 +327,8 @@ private:
 	// Subtitles (no decoding done, really).
 	bool has_last_subtitle = false;
 	std::string last_subtitle;
+
+	movit::RGBTriplet last_neutral_color{1.0f, 1.0f, 1.0f};
 };
 
 #endif  // !defined(_FFMPEG_CAPTURE_H)