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fix: make it compile with latest obs #83

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fix: make it compile with latest obs #83

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291 changes: 290 additions & 1 deletion src/source.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18,17 +18,306 @@
#pragma once
#include <mutex>
#include <obs-module.h>
#include <util/circlebuf.h>
#include <util/bmem.h>
#include <graphics/vec3.h>
#include <graphics/vec4.h>
#include <fftw3.h>
#include <string.h>
#include <assert.h>
#include "module.hpp"
#include "aligned_buffer.hpp"
#include "filter.hpp"

using AVXBufR = AlignedBuffer<float>;
using AVXBufC = AlignedBuffer<fftwf_complex>;

extern "C" {
struct circlebuf {
void *data;
size_t size;

size_t start_pos;
size_t end_pos;
size_t capacity;
};

static inline void circlebuf_init(struct circlebuf *cb)
{
memset(cb, 0, sizeof(struct circlebuf));
}

static inline void circlebuf_free(struct circlebuf *cb)
{
bfree(cb->data);
memset(cb, 0, sizeof(struct circlebuf));
}

static inline void circlebuf_reorder_data(struct circlebuf *cb, size_t new_capacity)
{
size_t difference;
uint8_t *data;

if (!cb->size || !cb->start_pos || cb->end_pos > cb->start_pos)
return;

difference = new_capacity - cb->capacity;
data = (uint8_t *)cb->data + cb->start_pos;
memmove(data + difference, data, cb->capacity - cb->start_pos);
cb->start_pos += difference;
}

static inline void circlebuf_ensure_capacity(struct circlebuf *cb)
{
size_t new_capacity;
if (cb->size <= cb->capacity)
return;

new_capacity = cb->capacity * 2;
if (cb->size > new_capacity)
new_capacity = cb->size;

cb->data = brealloc(cb->data, new_capacity);
circlebuf_reorder_data(cb, new_capacity);
cb->capacity = new_capacity;
}

static inline void circlebuf_reserve(struct circlebuf *cb, size_t capacity)
{
if (capacity <= cb->capacity)
return;

cb->data = brealloc(cb->data, capacity);
circlebuf_reorder_data(cb, capacity);
cb->capacity = capacity;
}

static inline void circlebuf_upsize(struct circlebuf *cb, size_t size)
{
size_t add_size = size - cb->size;
size_t new_end_pos = cb->end_pos + add_size;

if (size <= cb->size)
return;

cb->size = size;
circlebuf_ensure_capacity(cb);

if (new_end_pos > cb->capacity) {
size_t back_size = cb->capacity - cb->end_pos;
size_t loop_size = add_size - back_size;

if (back_size)
memset((uint8_t *)cb->data + cb->end_pos, 0, back_size);

memset(cb->data, 0, loop_size);
new_end_pos -= cb->capacity;
} else {
memset((uint8_t *)cb->data + cb->end_pos, 0, add_size);
}

cb->end_pos = new_end_pos;
}

/** Overwrites data at a specific point in the buffer (relative). */
static inline void circlebuf_place(struct circlebuf *cb, size_t position, const void *data, size_t size)
{
size_t end_point = position + size;
size_t data_end_pos;

if (end_point > cb->size)
circlebuf_upsize(cb, end_point);

position += cb->start_pos;
if (position >= cb->capacity)
position -= cb->capacity;

data_end_pos = position + size;
if (data_end_pos > cb->capacity) {
size_t back_size = data_end_pos - cb->capacity;
size_t loop_size = size - back_size;

memcpy((uint8_t *)cb->data + position, data, loop_size);
memcpy(cb->data, (uint8_t *)data + loop_size, back_size);
} else {
memcpy((uint8_t *)cb->data + position, data, size);
}
}

static inline void circlebuf_push_back(struct circlebuf *cb, const void *data, size_t size)
{
size_t new_end_pos = cb->end_pos + size;

cb->size += size;
circlebuf_ensure_capacity(cb);

if (new_end_pos > cb->capacity) {
size_t back_size = cb->capacity - cb->end_pos;
size_t loop_size = size - back_size;

if (back_size)
memcpy((uint8_t *)cb->data + cb->end_pos, data, back_size);
memcpy(cb->data, (uint8_t *)data + back_size, loop_size);

new_end_pos -= cb->capacity;
} else {
memcpy((uint8_t *)cb->data + cb->end_pos, data, size);
}

cb->end_pos = new_end_pos;
}

static inline void circlebuf_push_front(struct circlebuf *cb, const void *data, size_t size)
{
cb->size += size;
circlebuf_ensure_capacity(cb);

if (cb->size == size) {
cb->start_pos = 0;
cb->end_pos = size;
memcpy((uint8_t *)cb->data, data, size);

} else if (cb->start_pos < size) {
size_t back_size = size - cb->start_pos;

if (cb->start_pos)
memcpy(cb->data, (uint8_t *)data + back_size, cb->start_pos);

cb->start_pos = cb->capacity - back_size;
memcpy((uint8_t *)cb->data + cb->start_pos, data, back_size);
} else {
cb->start_pos -= size;
memcpy((uint8_t *)cb->data + cb->start_pos, data, size);
}
}

static inline void circlebuf_push_back_zero(struct circlebuf *cb, size_t size)
{
size_t new_end_pos = cb->end_pos + size;

cb->size += size;
circlebuf_ensure_capacity(cb);

if (new_end_pos > cb->capacity) {
size_t back_size = cb->capacity - cb->end_pos;
size_t loop_size = size - back_size;

if (back_size)
memset((uint8_t *)cb->data + cb->end_pos, 0, back_size);
memset(cb->data, 0, loop_size);

new_end_pos -= cb->capacity;
} else {
memset((uint8_t *)cb->data + cb->end_pos, 0, size);
}

cb->end_pos = new_end_pos;
}

static inline void circlebuf_push_front_zero(struct circlebuf *cb, size_t size)
{
cb->size += size;
circlebuf_ensure_capacity(cb);

if (cb->size == size) {
cb->start_pos = 0;
cb->end_pos = size;
memset((uint8_t *)cb->data, 0, size);

} else if (cb->start_pos < size) {
size_t back_size = size - cb->start_pos;

if (cb->start_pos)
memset(cb->data, 0, cb->start_pos);

cb->start_pos = cb->capacity - back_size;
memset((uint8_t *)cb->data + cb->start_pos, 0, back_size);
} else {
cb->start_pos -= size;
memset((uint8_t *)cb->data + cb->start_pos, 0, size);
}
}

static inline void circlebuf_peek_front(struct circlebuf *cb, void *data, size_t size)
{
assert(size <= cb->size);

if (data) {
size_t start_size = cb->capacity - cb->start_pos;

if (start_size < size) {
memcpy(data, (uint8_t *)cb->data + cb->start_pos, start_size);
memcpy((uint8_t *)data + start_size, cb->data, size - start_size);
} else {
memcpy(data, (uint8_t *)cb->data + cb->start_pos, size);
}
}
}

static inline void circlebuf_peek_back(struct circlebuf *cb, void *data, size_t size)
{
assert(size <= cb->size);

if (data) {
size_t back_size = (cb->end_pos ? cb->end_pos : cb->capacity);

if (back_size < size) {
size_t front_size = size - back_size;
size_t new_end_pos = cb->capacity - front_size;

memcpy((uint8_t *)data + (size - back_size), cb->data, back_size);
memcpy(data, (uint8_t *)cb->data + new_end_pos, front_size);
} else {
memcpy(data, (uint8_t *)cb->data + cb->end_pos - size, size);
}
}
}

static inline void circlebuf_pop_front(struct circlebuf *cb, void *data, size_t size)
{
circlebuf_peek_front(cb, data, size);

cb->size -= size;
if (!cb->size) {
cb->start_pos = cb->end_pos = 0;
return;
}

cb->start_pos += size;
if (cb->start_pos >= cb->capacity)
cb->start_pos -= cb->capacity;
}

static inline void circlebuf_pop_back(struct circlebuf *cb, void *data, size_t size)
{
circlebuf_peek_back(cb, data, size);

cb->size -= size;
if (!cb->size) {
cb->start_pos = cb->end_pos = 0;
return;
}

if (cb->end_pos <= size)
cb->end_pos = cb->capacity - (size - cb->end_pos);
else
cb->end_pos -= size;
}

static inline void *circlebuf_data(struct circlebuf *cb, size_t idx)
{
uint8_t *ptr = (uint8_t *)cb->data;
size_t offset = cb->start_pos + idx;

if (idx >= cb->size)
return NULL;

if (offset >= cb->capacity)
offset -= cb->capacity;

return ptr + offset;
}
}

enum class FFTWindow
{
NONE,
Expand Down