]> git.sesse.net Git - nageru/blobdiff - nageru/mjpeg_encoder.h
IWYU-fix nageru/*.h.
[nageru] / nageru / mjpeg_encoder.h
index eff361ea4e4cb1ebada2236daef46321e690a942..896b63ba4b612a2e0fed0955b09e07b4cef7df6e 100644 (file)
@@ -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.