qoa: Apply upstream patches
This commit is contained in:
parent
5833f59786
commit
63bb754fc8
|
@ -681,8 +681,8 @@ Collection of single-file libraries used in Godot components.
|
|||
* License: MIT
|
||||
- `qoa.h`
|
||||
* Upstream: https://github.com/phoboslab/qoa
|
||||
* Version: git (e4c751d61af2c395ea828c5888e728c1953bf09f, 2024)
|
||||
* Modifications: Inlined functions and patched compiler warnings.
|
||||
* Version: git (5c2a86d615661f34636cf179abf4fa278d3257e0, 2024)
|
||||
* Modifications: Inlined functions, patched uninitialized variables and untyped mallocs.
|
||||
* License: MIT
|
||||
- `r128.{c,h}`
|
||||
* Upstream: https://github.com/fahickman/r128
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
diff --git a/qoa.h b/qoa.h
|
||||
index aa8fb59434..2dde8df098 100644
|
||||
index 592082933a..c890b88bd6 100644
|
||||
--- a/qoa.h
|
||||
+++ b/qoa.h
|
||||
@@ -140,14 +140,14 @@ typedef struct {
|
||||
|
@ -24,32 +24,10 @@ index aa8fb59434..2dde8df098 100644
|
|||
|
||||
#ifndef QOA_NO_STDIO
|
||||
|
||||
@@ -366,7 +366,7 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
||||
), bytes, &p);
|
||||
|
||||
|
||||
- for (int c = 0; c < channels; c++) {
|
||||
+ for (unsigned int c = 0; c < channels; c++) {
|
||||
/* Write the current LMS state */
|
||||
qoa_uint64_t weights = 0;
|
||||
qoa_uint64_t history = 0;
|
||||
@@ -380,9 +380,9 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
||||
|
||||
/* We encode all samples with the channels interleaved on a slice level.
|
||||
E.g. for stereo: (ch-0, slice 0), (ch 1, slice 0), (ch 0, slice 1), ...*/
|
||||
- for (int sample_index = 0; sample_index < frame_len; sample_index += QOA_SLICE_LEN) {
|
||||
+ for (unsigned int sample_index = 0; sample_index < frame_len; sample_index += QOA_SLICE_LEN) {
|
||||
|
||||
- for (int c = 0; c < channels; c++) {
|
||||
+ for (unsigned int c = 0; c < channels; c++) {
|
||||
int slice_len = qoa_clamp(QOA_SLICE_LEN, 0, frame_len - sample_index);
|
||||
int slice_start = sample_index * channels + c;
|
||||
int slice_end = (sample_index + slice_len) * channels + c;
|
||||
@@ -391,10 +391,9 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
||||
16 scalefactors, encode all samples for the current slice and
|
||||
meassure the total squared error. */
|
||||
qoa_uint64_t best_rank = -1;
|
||||
- qoa_uint64_t best_error = -1;
|
||||
@@ -394,9 +394,9 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
||||
#ifdef QOA_RECORD_TOTAL_ERROR
|
||||
qoa_uint64_t best_error = -1;
|
||||
#endif
|
||||
- qoa_uint64_t best_slice;
|
||||
- qoa_lms_t best_lms;
|
||||
- int best_scalefactor;
|
||||
|
@ -59,92 +37,16 @@ index aa8fb59434..2dde8df098 100644
|
|||
|
||||
for (int sfi = 0; sfi < 16; sfi++) {
|
||||
/* There is a strong correlation between the scalefactors of
|
||||
@@ -408,7 +407,6 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
||||
qoa_lms_t lms = qoa->lms[c];
|
||||
qoa_uint64_t slice = scalefactor;
|
||||
qoa_uint64_t current_rank = 0;
|
||||
- qoa_uint64_t current_error = 0;
|
||||
|
||||
for (int si = slice_start; si < slice_end; si += channels) {
|
||||
int sample = sample_data[si];
|
||||
@@ -438,7 +436,6 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
||||
qoa_uint64_t error_sq = error * error;
|
||||
|
||||
current_rank += error_sq + weights_penalty * weights_penalty;
|
||||
- current_error += error_sq;
|
||||
if (current_rank > best_rank) {
|
||||
break;
|
||||
}
|
||||
@@ -449,7 +446,6 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
||||
|
||||
if (current_rank < best_rank) {
|
||||
best_rank = current_rank;
|
||||
- best_error = current_error;
|
||||
best_slice = slice;
|
||||
best_lms = lms;
|
||||
best_scalefactor = scalefactor;
|
||||
@@ -492,9 +488,9 @@ void *qoa_encode(const short *sample_data, qoa_desc *qoa, unsigned int *out_len)
|
||||
@@ -500,7 +500,7 @@ void *qoa_encode(const short *sample_data, qoa_desc *qoa, unsigned int *out_len)
|
||||
num_frames * QOA_LMS_LEN * 4 * qoa->channels + /* 4 * 4 bytes lms state per channel */
|
||||
num_slices * 8 * qoa->channels; /* 8 byte slices */
|
||||
|
||||
- unsigned char *bytes = QOA_MALLOC(encoded_size);
|
||||
+ unsigned char *bytes = (unsigned char *)QOA_MALLOC(encoded_size);
|
||||
|
||||
- for (int c = 0; c < qoa->channels; c++) {
|
||||
+ for (unsigned int c = 0; c < qoa->channels; c++) {
|
||||
for (unsigned int c = 0; c < qoa->channels; c++) {
|
||||
/* Set the initial LMS weights to {0, 0, -1, 2}. This helps with the
|
||||
prediction of the first few ms of a file. */
|
||||
qoa->lms[c].weights[0] = 0;
|
||||
@@ -517,7 +513,7 @@ void *qoa_encode(const short *sample_data, qoa_desc *qoa, unsigned int *out_len)
|
||||
#endif
|
||||
|
||||
int frame_len = QOA_FRAME_LEN;
|
||||
- for (int sample_index = 0; sample_index < qoa->samples; sample_index += frame_len) {
|
||||
+ for (unsigned int sample_index = 0; sample_index < qoa->samples; sample_index += frame_len) {
|
||||
frame_len = qoa_clamp(QOA_FRAME_LEN, 0, qoa->samples - sample_index);
|
||||
const short *frame_samples = sample_data + sample_index * qoa->channels;
|
||||
unsigned int frame_size = qoa_encode_frame(frame_samples, qoa, frame_len, bytes + p);
|
||||
@@ -580,14 +576,14 @@ unsigned int qoa_decode_frame(const unsigned char *bytes, unsigned int size, qoa
|
||||
|
||||
/* Read and verify the frame header */
|
||||
qoa_uint64_t frame_header = qoa_read_u64(bytes, &p);
|
||||
- int channels = (frame_header >> 56) & 0x0000ff;
|
||||
- int samplerate = (frame_header >> 32) & 0xffffff;
|
||||
- int samples = (frame_header >> 16) & 0x00ffff;
|
||||
- int frame_size = (frame_header ) & 0x00ffff;
|
||||
+ unsigned int channels = (frame_header >> 56) & 0x0000ff;
|
||||
+ unsigned int samplerate = (frame_header >> 32) & 0xffffff;
|
||||
+ unsigned int samples = (frame_header >> 16) & 0x00ffff;
|
||||
+ unsigned int frame_size = (frame_header ) & 0x00ffff;
|
||||
|
||||
int data_size = frame_size - 8 - QOA_LMS_LEN * 4 * channels;
|
||||
int num_slices = data_size / 8;
|
||||
- int max_total_samples = num_slices * QOA_SLICE_LEN;
|
||||
+ unsigned int max_total_samples = num_slices * QOA_SLICE_LEN;
|
||||
|
||||
if (
|
||||
channels != qoa->channels ||
|
||||
@@ -600,7 +596,7 @@ unsigned int qoa_decode_frame(const unsigned char *bytes, unsigned int size, qoa
|
||||
|
||||
|
||||
/* Read the LMS state: 4 x 2 bytes history, 4 x 2 bytes weights per channel */
|
||||
- for (int c = 0; c < channels; c++) {
|
||||
+ for (unsigned int c = 0; c < channels; c++) {
|
||||
qoa_uint64_t history = qoa_read_u64(bytes, &p);
|
||||
qoa_uint64_t weights = qoa_read_u64(bytes, &p);
|
||||
for (int i = 0; i < QOA_LMS_LEN; i++) {
|
||||
@@ -613,8 +609,8 @@ unsigned int qoa_decode_frame(const unsigned char *bytes, unsigned int size, qoa
|
||||
|
||||
|
||||
/* Decode all slices for all channels in this frame */
|
||||
- for (int sample_index = 0; sample_index < samples; sample_index += QOA_SLICE_LEN) {
|
||||
- for (int c = 0; c < channels; c++) {
|
||||
+ for (unsigned int sample_index = 0; sample_index < samples; sample_index += QOA_SLICE_LEN) {
|
||||
+ for (unsigned int c = 0; c < channels; c++) {
|
||||
qoa_uint64_t slice = qoa_read_u64(bytes, &p);
|
||||
|
||||
int scalefactor = (slice >> 60) & 0xf;
|
||||
@@ -647,7 +643,7 @@ short *qoa_decode(const unsigned char *bytes, int size, qoa_desc *qoa) {
|
||||
@@ -655,7 +655,7 @@ short *qoa_decode(const unsigned char *bytes, int size, qoa_desc *qoa) {
|
||||
|
||||
/* Calculate the required size of the sample buffer and allocate */
|
||||
int total_samples = qoa->samples * qoa->channels;
|
||||
|
|
|
@ -391,6 +391,9 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
|||
16 scalefactors, encode all samples for the current slice and
|
||||
meassure the total squared error. */
|
||||
qoa_uint64_t best_rank = -1;
|
||||
#ifdef QOA_RECORD_TOTAL_ERROR
|
||||
qoa_uint64_t best_error = -1;
|
||||
#endif
|
||||
qoa_uint64_t best_slice = -1;
|
||||
qoa_lms_t best_lms = {{-1, -1, -1, -1}, {-1, -1, -1, -1}};
|
||||
int best_scalefactor = -1;
|
||||
|
@ -407,6 +410,9 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
|||
qoa_lms_t lms = qoa->lms[c];
|
||||
qoa_uint64_t slice = scalefactor;
|
||||
qoa_uint64_t current_rank = 0;
|
||||
#ifdef QOA_RECORD_TOTAL_ERROR
|
||||
qoa_uint64_t current_error = 0;
|
||||
#endif
|
||||
|
||||
for (int si = slice_start; si < slice_end; si += channels) {
|
||||
int sample = sample_data[si];
|
||||
|
@ -436,6 +442,9 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
|||
qoa_uint64_t error_sq = error * error;
|
||||
|
||||
current_rank += error_sq + weights_penalty * weights_penalty;
|
||||
#ifdef QOA_RECORD_TOTAL_ERROR
|
||||
current_error += error_sq;
|
||||
#endif
|
||||
if (current_rank > best_rank) {
|
||||
break;
|
||||
}
|
||||
|
@ -446,6 +455,9 @@ unsigned int qoa_encode_frame(const short *sample_data, qoa_desc *qoa, unsigned
|
|||
|
||||
if (current_rank < best_rank) {
|
||||
best_rank = current_rank;
|
||||
#ifdef QOA_RECORD_TOTAL_ERROR
|
||||
best_error = current_error;
|
||||
#endif
|
||||
best_slice = slice;
|
||||
best_lms = lms;
|
||||
best_scalefactor = scalefactor;
|
||||
|
@ -581,8 +593,8 @@ unsigned int qoa_decode_frame(const unsigned char *bytes, unsigned int size, qoa
|
|||
unsigned int samples = (frame_header >> 16) & 0x00ffff;
|
||||
unsigned int frame_size = (frame_header ) & 0x00ffff;
|
||||
|
||||
int data_size = frame_size - 8 - QOA_LMS_LEN * 4 * channels;
|
||||
int num_slices = data_size / 8;
|
||||
unsigned int data_size = frame_size - 8 - QOA_LMS_LEN * 4 * channels;
|
||||
unsigned int num_slices = data_size / 8;
|
||||
unsigned int max_total_samples = num_slices * QOA_SLICE_LEN;
|
||||
|
||||
if (
|
||||
|
|
Loading…
Reference in New Issue