#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" {
#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;
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;
movit::RGBTriplet white_balance;
// Only for frames in the process of being encoded by VA-API.
- VAResources resources;
+ VAResourcePool::VAResources resources;
ReleaseVAResources resource_releaser;
};
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);
bool running = false;
std::unique_ptr<VADisplayWithCleanup> va_dpy;
- VAConfigID config_id;
+ std::unique_ptr<VAResourcePool> va_pool;
struct VAKey {
- unsigned width, height;
+ unsigned width, height, y_h_samp_factor, y_v_samp_factor;
movit::RGBTriplet white_balance;
bool operator< (const VAKey &other) const {
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)
VAEncSliceParameterBufferJPEG parms;
};
std::map<VAKey, VAData> va_data_for_parameters;
- VAData get_va_data_for_parameters(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);
+ 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.