#ifndef _JPEG_FRAME_VIEW_H
#define _JPEG_FRAME_VIEW_H 1
-#include <epoxy/gl.h>
-#include <QGLWidget>
-
-#include <stdint.h>
+#include "jpeg_frame.h"
+#include "ycbcr_converter.h"
+#include <QGLWidget>
+#include <epoxy/gl.h>
+#include <memory>
#include <movit/effect_chain.h>
#include <movit/flat_input.h>
+#include <movit/mix_effect.h>
#include <movit/ycbcr_input.h>
-
-#include <memory>
+#include <stdint.h>
+#include <thread>
struct JPEGID {
unsigned stream_idx;
int64_t pts;
bool interpolated;
};
-struct Frame {
- std::unique_ptr<uint8_t[]> y, cb, cr;
- unsigned width, height;
- unsigned chroma_subsampling_x, chroma_subsampling_y;
- unsigned pitch_y, pitch_chroma;
-};
enum CacheMissBehavior {
DECODE_IF_NOT_IN_CACHE,
RETURN_NULLPTR_IF_NOT_IN_CACHE
};
+// This is, well, a hack. We hope for no collisions.
+inline JPEGID create_jpegid_for_interpolated_fade(unsigned stream_idx, int64_t pts, unsigned secondary_stream_idx, int64_t secondary_pts)
+{
+ JPEGID id;
+ id.stream_idx = (stream_idx << 8) | secondary_stream_idx;
+
+ uint64_t rot = secondary_stream_idx;
+ rot = (rot << 32) | (rot >> 32);
+ id.pts = pts ^ int64_t(rot);
+ id.interpolated = true;
+ return id;
+}
+
std::string filename_for_frame(unsigned stream_idx, int64_t pts);
std::shared_ptr<Frame> decode_jpeg(const std::string &filename);
std::shared_ptr<Frame> decode_jpeg_with_cache(JPEGID id, CacheMissBehavior cache_miss_behavior, bool *did_decode);
public:
JPEGFrameView(QWidget *parent);
- void setFrame(unsigned stream_idx, int64_t pts, bool interpolated);
- static void insert_interpolated_frame(unsigned stream_idx, int64_t pts, std::shared_ptr<Frame> frame);
+ void setFrame(unsigned stream_idx, int64_t pts, bool interpolated, int secondary_stream_idx = -1, int64_t secondary_pts = -1, float fade_alpha = 0.0f);
+ static void insert_interpolated_frame(JPEGID id, std::shared_ptr<Frame> frame);
void mousePressEvent(QMouseEvent *event) override;
unsigned get_stream_idx() const { return current_stream_idx; }
- void setDecodedFrame(std::shared_ptr<Frame> frame);
+ void setDecodedFrame(std::shared_ptr<Frame> frame, std::shared_ptr<Frame> secondary_frame, float fade_alpha);
void set_overlay(const std::string &text); // Blank for none.
+ static void shutdown();
+
signals:
void clicked();
// The stream index of the latest frame we displayed.
unsigned current_stream_idx = 0;
- std::unique_ptr<movit::EffectChain> chain;
+ std::unique_ptr<YCbCrConverter> ycbcr_converter;
+ movit::EffectChain *current_chain = nullptr; // Owned by ycbcr_converter.
+
std::shared_ptr<Frame> current_frame; // So that we hold on to the pixels.
- movit::YCbCrInput *ycbcr_input;
- movit::YCbCrFormat ycbcr_format;
+ std::shared_ptr<Frame> current_secondary_frame; // Same.
static constexpr int overlay_base_width = 16, overlay_base_height = 16;
int overlay_width = overlay_base_width, overlay_height = overlay_base_height;
bool overlay_input_needs_refresh = false;
int gl_width, gl_height;
+
+ static std::thread jpeg_decoder_thread;
};
#endif // !defined(_JPEG_FRAME_VIEW_H)