X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Fmjpeg_encoder.h;h=896b63ba4b612a2e0fed0955b09e07b4cef7df6e;hb=a0e57ec99e9dfdd7e79bcf21e8c996dc43b6cb49;hp=eff361ea4e4cb1ebada2236daef46321e690a942;hpb=731424ea25080a11a0b687f5cdb0007ca82c6050;p=nageru

diff --git a/nageru/mjpeg_encoder.h b/nageru/mjpeg_encoder.h
index eff361e..896b63b 100644
--- a/nageru/mjpeg_encoder.h
+++ b/nageru/mjpeg_encoder.h
@@ -1,9 +1,9 @@
 #ifndef _MJPEG_ENCODER_H
 #define _MJPEG_ENCODER_H 1
 
-#include "defs.h"
 #include "shared/ffmpeg_raii.h"
 #include "shared/httpd.h"
+#include "shared/va_resource_pool.h"
 #include "ref_counted_frame.h"
 
 extern "C" {
@@ -15,15 +15,19 @@ extern "C" {
 #include <atomic>
 #include <bmusb/bmusb.h>
 #include <condition_variable>
-#include <list>
+#include <map>
+#include <memory>
 #include <mutex>
 #include <queue>
+#include <stddef.h>
 #include <stdint.h>
 #include <string>
 #include <thread>
+#include <vector>
 
 #include <movit/effect.h>
 #include <va/va.h>
+#include <va/va_enc_jpeg.h>
 
 struct jpeg_compress_struct;
 struct VADisplayWithCleanup;
@@ -44,61 +48,11 @@ public:
 	bool using_vaapi() const { return va_dpy != nullptr; }
 
 	bool should_encode_mjpeg_for_card(unsigned card_index);
+	VAResourcePool *get_va_pool() const { return va_pool.get(); }
 
 private:
 	static constexpr int quality = 90;
 
-	struct VAResources {
-		unsigned width, height;
-		VASurfaceID surface;
-		VAContextID context;
-		VABufferID data_buffer;
-		VAImage image;
-	};
-
-	// RAII wrapper to release VAResources on return (even on error).
-	class ReleaseVAResources {
-	public:
-		ReleaseVAResources() : committed(true) {}
-
-		ReleaseVAResources(MJPEGEncoder *mjpeg, const VAResources &resources)
-			: mjpeg(mjpeg), resources(resources) {}
-
-		ReleaseVAResources(ReleaseVAResources &) = delete;
-
-		ReleaseVAResources(ReleaseVAResources &&other)
-			: mjpeg(other.mjpeg), resources(other.resources), committed(other.committed) {
-			other.commit();
-		}
-
-		ReleaseVAResources &operator= (ReleaseVAResources &) = delete;
-
-		ReleaseVAResources &operator= (ReleaseVAResources &&other) {
-			if (!committed) {
-				mjpeg->release_va_resources(resources);
-			}
-			mjpeg = other.mjpeg;
-			resources = std::move(other.resources);
-			committed = other.committed;
-			other.commit();
-			return *this;
-		}
-
-		~ReleaseVAResources()
-		{
-			if (!committed) {
-				mjpeg->release_va_resources(resources);
-			}
-		}
-
-		void commit() { committed = true; }
-
-	private:
-		MJPEGEncoder *mjpeg = nullptr;
-		VAResources resources;
-		bool committed = false;
-	};
-
 	struct QueuedFrame {
 		int64_t pts;
 		unsigned card_index;
@@ -109,7 +63,7 @@ private:
 		movit::RGBTriplet white_balance;
 
 		// Only for frames in the process of being encoded by VA-API.
-		VAResources resources;
+		VAResourcePool::VAResources resources;
 		ReleaseVAResources resource_releaser;
 	};
 
@@ -119,8 +73,8 @@ private:
 	std::vector<uint8_t> encode_jpeg_libjpeg(const QueuedFrame &qf);
 	void write_mjpeg_packet(AVFormatContext *avctx, int64_t pts, unsigned stream_index, const uint8_t *jpeg, size_t jpeg_size);
 	void write_audio_packet(AVFormatContext *avctx, int64_t pts, unsigned stream_index, const std::vector<int32_t> &audio);
-	void init_jpeg_422(unsigned width, unsigned height, const movit::RGBTriplet &white_balance, VectorDestinationManager *dest, jpeg_compress_struct *cinfo);
-	std::vector<uint8_t> get_jpeg_header(unsigned width, unsigned height, const movit::RGBTriplet &white_balance, jpeg_compress_struct *cinfo);
+	void init_jpeg(unsigned width, unsigned height, const movit::RGBTriplet &white_balance, VectorDestinationManager *dest, jpeg_compress_struct *cinfo, int y_h_samp_factor, int y_v_samp_factor);
+	std::vector<uint8_t> get_jpeg_header(unsigned width, unsigned height, const movit::RGBTriplet &white_balance, int y_h_samp_factor, int y_v_samp_factor, jpeg_compress_struct *cinfo);
 	void add_stream(HTTPD::StreamID stream_id);  // Can only be called from the constructor, or the thread owning <streams>.
 	void update_siphon_streams();  // Same.
 	void create_ffmpeg_context(HTTPD::StreamID stream_id);
@@ -152,8 +106,28 @@ private:
 	bool running = false;
 
 	std::unique_ptr<VADisplayWithCleanup> va_dpy;
-	VAConfigID config_id;
+	std::unique_ptr<VAResourcePool> va_pool;
+
+	struct VAKey {
+		unsigned width, height, y_h_samp_factor, y_v_samp_factor;
+		movit::RGBTriplet white_balance;
 
+		bool operator< (const VAKey &other) const {
+			if (width != other.width)
+				return width < other.width;
+			if (height != other.height)
+				return height < other.height;
+			if (y_h_samp_factor != other.y_h_samp_factor)
+				return y_h_samp_factor < other.y_h_samp_factor;
+			if (y_v_samp_factor != other.y_v_samp_factor)
+				return y_v_samp_factor < other.y_v_samp_factor;
+			if (white_balance.r != other.white_balance.r)
+				return white_balance.r < other.white_balance.r;
+			if (white_balance.g != other.white_balance.g)
+				return white_balance.g < other.white_balance.g;
+			return white_balance.b < other.white_balance.b;
+		}
+	};
 	struct VAData {
 		std::vector<uint8_t> jpeg_header;
 		VAEncPictureParameterBufferJPEG pic_param;
@@ -161,15 +135,8 @@ private:
 		VAHuffmanTableBufferJPEGBaseline huff;
 		VAEncSliceParameterBufferJPEG parms;
 	};
-	std::map<std::pair<unsigned, unsigned>, VAData> va_data_for_resolution;
-	VAData get_va_data_for_resolution(unsigned width, unsigned height, const movit::RGBTriplet &white_balance);
-
-	std::list<VAResources> va_resources_freelist;
-	std::mutex va_resources_mutex;
-	VAResources get_va_resources(unsigned width, unsigned height);
-	void release_va_resources(VAResources resources);
-
-	static std::unique_ptr<VADisplayWithCleanup> try_open_va(const std::string &va_display, std::string *error, VAConfigID *config_id);
+	std::map<VAKey, VAData> va_data_for_parameters;
+	VAData get_va_data_for_parameters(unsigned width, unsigned height, unsigned y_h_samp_factor, unsigned y_v_samp_factor, const movit::RGBTriplet &white_balance);
 
 	uint8_t *tmp_y, *tmp_cbcr, *tmp_cb, *tmp_cr;  // Private to the encoder thread. Used by the libjpeg backend only.