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Switch to buffer requests without memcpy
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This commit is contained in:
Lorenzooone
2025-03-13 03:11:55 +01:00
parent 365c0625bd
commit fb6de81c52
21 changed files with 274 additions and 309 deletions
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27
include/capture_structs.hpp
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@@ -26,12 +26,13 @@ enum CaptureScreensType { CAPTURE_SCREENS_BOTH, CAPTURE_SCREENS_TOP, CAPTURE_SCR
enum CaptureSpeedsType { CAPTURE_SPEEDS_FULL, CAPTURE_SPEEDS_HALF, CAPTURE_SPEEDS_THIRD, CAPTURE_SPEEDS_QUARTER, CAPTURE_SPEEDS_ENUM_END };
// Readers are Audio and Video. So 2.
// Use 2 extra buffers. One for writing in case the other 2 are busy,
// Use 6 extra buffers. 5 for async writing in case the other 2 are busy,
// and the other for writing without overwriting the latest stuff in
// a worst case scenario...
enum CaptureReaderType { CAPTURE_READER_VIDEO, CAPTURE_READER_AUDIO, CAPTURE_READER_ENUM_END };
#define NUM_CONCURRENT_DATA_BUFFER_WRITERS 5
#define NUM_CONCURRENT_DATA_BUFFER_READERS ((int)CAPTURE_READER_ENUM_END)
#define NUM_CONCURRENT_DATA_BUFFERS (NUM_CONCURRENT_DATA_BUFFER_READERS + 2)
#define NUM_CONCURRENT_DATA_BUFFERS (NUM_CONCURRENT_DATA_BUFFER_READERS + 1 + NUM_CONCURRENT_DATA_BUFFER_WRITERS)
#pragma pack(push, 1)
@@ -149,6 +150,11 @@ struct ALIGNED(16) PACKED ISTWLCaptureReceived {
#pragma pack(pop)
struct ALIGNED(16) FTD2OldDSCaptureReceivedNormalPlusRaw {
FTD2OldDSCaptureReceived data;
FTD2OldDSCaptureReceivedRaw raw_data;
};
union CaptureReceived {
FTD3_3DSCaptureReceived ftd3_received;
FTD3_3DSCaptureReceived_3D ftd3_received_3d;
@@ -156,7 +162,7 @@ union CaptureReceived {
USB3DSCaptureReceived_3D usb_received_3ds_3d;
USBOldDSCaptureReceived usb_received_old_ds;
FTD2OldDSCaptureReceived ftd2_received_old_ds;
FTD2OldDSCaptureReceivedRaw ftd2_received_old_ds_raw;
FTD2OldDSCaptureReceivedNormalPlusRaw ftd2_received_old_ds_normal_plus_raw;
ISNitroCaptureReceived is_nitro_capture_received;
ISTWLCaptureReceived is_twl_capture_received;
CypressNisetroDSCaptureReceived cypress_nisetro_capture_received;
@@ -215,6 +221,7 @@ struct CaptureStatus {
struct CaptureDataSingleBuffer {
CaptureScreensType capture_type;
uint64_t read;
size_t unused_offset;
CaptureReceived capture_buf;
double time_in_buf;
uint32_t inner_index;
@@ -225,16 +232,18 @@ public:
CaptureDataBuffers();
CaptureDataSingleBuffer* GetReaderBuffer(CaptureReaderType reader_type);
void ReleaseReaderBuffer(CaptureReaderType reader_type);
void WriteToBuffer(CaptureReceived* buffer, uint64_t read, double time_in_buf, CaptureDevice* device, CaptureScreensType capture_type = CAPTURE_SCREENS_BOTH, size_t offset = 0);
void WriteToBuffer(CaptureReceived* buffer, uint64_t read, double time_in_buf, CaptureDevice* device, size_t offset);
CaptureDataSingleBuffer* GetWriterBuffer();
void ReleaseWriterBuffer();
void WriteToBuffer(CaptureReceived* buffer, uint64_t read, double time_in_buf, CaptureDevice* device, CaptureScreensType capture_type, size_t offset, int index);
void WriteToBuffer(CaptureReceived* buffer, uint64_t read, double time_in_buf, CaptureDevice* device, CaptureScreensType capture_type, int index);
void WriteToBuffer(CaptureReceived* buffer, uint64_t read, double time_in_buf, CaptureDevice* device, size_t offset, int index);
void WriteToBuffer(CaptureReceived* buffer, uint64_t read, double time_in_buf, CaptureDevice* device, int index);
CaptureDataSingleBuffer* GetWriterBuffer(int index = 0);
void ReleaseWriterBuffer(int index = 0, bool update_last_curr_in = true);
private:
uint32_t inner_index = 0;
std::mutex access_mutex;
int last_curr_in;
int curr_writer_pos;
int curr_writer_pos[NUM_CONCURRENT_DATA_BUFFER_WRITERS];
int curr_reader_pos[NUM_CONCURRENT_DATA_BUFFER_READERS];
bool is_being_written_to[NUM_CONCURRENT_DATA_BUFFERS];
int num_readers[NUM_CONCURRENT_DATA_BUFFERS];
bool has_read_data[NUM_CONCURRENT_DATA_BUFFERS][NUM_CONCURRENT_DATA_BUFFER_READERS];
CaptureDataSingleBuffer buffers[NUM_CONCURRENT_DATA_BUFFERS];