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scrcpy/app/src/fps_counter.h

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Add FPS counter Remove frame counter from scrcpy.c and add a new FPS counter, logging as INFO the measured frame rate every second (on new frame).
2018-02-15 18:10:58 +08:00
#ifndef FPSCOUNTER_H
#define FPSCOUNTER_H
Define feature test macros in common.h This enables necessary functions once for all. As a consequence, define common.h before any other header.
2021-01-09 02:24:51 +08:00
#include "common.h"
Replace SDL_Atomic by stdatomic from C11 There is no reason to use SDL atomics.
2020-04-03 01:16:33 +08:00
#include <stdatomic.h>
Replace SDL types by C99 standard types Scrcpy is a C11 project. Use the C99 standard types instead of the SDL-specific types: SDL_bool -> bool SintXX -> intXX_t UintXX -> uintXX_t
2019-03-03 06:52:22 +08:00
#include <stdbool.h>
#include <stdint.h>
Wrap SDL thread functions into scrcpy-specific API The goal is to expose a consistent API for system tools, and paves the way to make the "core" independant of SDL in the future.
2021-02-01 01:24:35 +08:00
#include "util/thread.h"
Add FPS counter Remove frame counter from scrcpy.c and add a new FPS counter, logging as INFO the measured frame rate every second (on new frame).
2018-02-15 18:10:58 +08:00
struct fps_counter {
Wrap SDL thread functions into scrcpy-specific API The goal is to expose a consistent API for system tools, and paves the way to make the "core" independant of SDL in the future.
2021-02-01 01:24:35 +08:00
sc_thread thread;
sc_mutex mutex;
sc_cond state_cond;
bool thread_started;
Improve framerate counting The FPS counter was called only on new frames, so it could not print values regularly, especially when there are very few FPS (when the device surface does not change). To the extreme, it was never able to display 0 fps. Add a separate thread to print framerate every second.
2019-06-07 22:55:19 +08:00
// atomic so that we can check without locking the mutex
// if the FPS counter is disabled, we don't want to lock unnecessarily
Replace SDL_Atomic by stdatomic from C11 There is no reason to use SDL atomics.
2020-04-03 01:16:33 +08:00
atomic_bool started;
Improve framerate counting The FPS counter was called only on new frames, so it could not print values regularly, especially when there are very few FPS (when the device surface does not change). To the extreme, it was never able to display 0 fps. Add a separate thread to print framerate every second.
2019-06-07 22:55:19 +08:00
// the following fields are protected by the mutex
bool interrupted;
unsigned nr_rendered;
unsigned nr_skipped;
uint32_t next_timestamp;
Add FPS counter Remove frame counter from scrcpy.c and add a new FPS counter, logging as INFO the measured frame rate every second (on new frame).
2018-02-15 18:10:58 +08:00
};
Improve framerate counting The FPS counter was called only on new frames, so it could not print values regularly, especially when there are very few FPS (when the device surface does not change). To the extreme, it was never able to display 0 fps. Add a separate thread to print framerate every second.
2019-06-07 22:55:19 +08:00
bool
Update code style Limit source code to 80 chars, and declare functions return type and modifiers on a separate line. This allows to avoid very long lines, and all function names are aligned. (We do this on VLC, and I like it.)
2019-03-03 03:09:56 +08:00
fps_counter_init(struct fps_counter *counter);
void
Improve framerate counting The FPS counter was called only on new frames, so it could not print values regularly, especially when there are very few FPS (when the device surface does not change). To the extreme, it was never able to display 0 fps. Add a separate thread to print framerate every second.
2019-06-07 22:55:19 +08:00
fps_counter_destroy(struct fps_counter *counter);
bool
Update code style Limit source code to 80 chars, and declare functions return type and modifiers on a separate line. This allows to avoid very long lines, and all function names are aligned. (We do this on VLC, and I like it.)
2019-03-03 03:09:56 +08:00
fps_counter_start(struct fps_counter *counter);
void
fps_counter_stop(struct fps_counter *counter);
Improve framerate counting The FPS counter was called only on new frames, so it could not print values regularly, especially when there are very few FPS (when the device surface does not change). To the extreme, it was never able to display 0 fps. Add a separate thread to print framerate every second.
2019-06-07 22:55:19 +08:00
bool
fps_counter_is_started(struct fps_counter *counter);
// request to stop the thread (on quit)
// must be called before fps_counter_join()
void
fps_counter_interrupt(struct fps_counter *counter);
void
fps_counter_join(struct fps_counter *counter);
Update code style Limit source code to 80 chars, and declare functions return type and modifiers on a separate line. This allows to avoid very long lines, and all function names are aligned. (We do this on VLC, and I like it.)
2019-03-03 03:09:56 +08:00
void
fps_counter_add_rendered_frame(struct fps_counter *counter);
Add FPS counter Remove frame counter from scrcpy.c and add a new FPS counter, logging as INFO the measured frame rate every second (on new frame).
2018-02-15 18:10:58 +08:00
Update code style Limit source code to 80 chars, and declare functions return type and modifiers on a separate line. This allows to avoid very long lines, and all function names are aligned. (We do this on VLC, and I like it.)
2019-03-03 03:09:56 +08:00
void
fps_counter_add_skipped_frame(struct fps_counter *counter);
Add FPS counter Remove frame counter from scrcpy.c and add a new FPS counter, logging as INFO the measured frame rate every second (on new frame).
2018-02-15 18:10:58 +08:00
#endif
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