40 unsigned int ret = 0,
i, j;
44 for (
i = 0, j = ret;
i < n - 1;
i++)
58 uint32_t exit_at_level[33] = { 404 };
59 unsigned i, j, p,
code;
61 for (p = 0; (p < num) && (
bits[p] == 0); ++p)
70 exit_at_level[
i+1] = 1u <<
i;
74 for (
i = p; (
i < num) && (
bits[
i] == 0); ++
i)
79 for (; p < num; ++p) {
90 code = exit_at_level[
i];
93 for (j =
i + 1 ;j <=
bits[p]; ++j)
94 exit_at_level[j] =
code + (1u << (j - 1));
99 for (p = 1; p < 33; p++)
100 if (exit_at_level[p])
112 for (
i = 2;
i < values;
i++) {
117 for (j = 2; j <
i; j++) {
119 if (
tmp < list[
i].x) {
120 if (
tmp > list[list[
i].low].x)
123 if (
tmp < list[list[
i].high].x)
128 for (
i = 0;
i < values - 1;
i++) {
130 for (j =
i + 1; j < values; j++) {
131 if (list[
i].x == list[j].x) {
133 "Duplicate value found in floor 1 X coordinates\n");
136 if (list[list[
i].sort].x > list[list[j].sort].x) {
147 intptr_t sy,
int ady,
int adx,
169 static void render_line(
int x0,
int y0,
int x1,
int y1,
float *buf)
174 int sy = dy < 0 ? -1 : 1;
197 uint16_t *y_list,
int *
flag,
198 int multiplier,
float *
out,
int samples)
202 ly = y_list[0] * multiplier;
203 for (
i = 1;
i < values;
i++) {
206 int x1 = list[
pos].
x;
207 int y1 = y_list[
pos] * multiplier;
Libavcodec external API header.
common internal and external API header
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
main external API structure.
static void render_line(int x0, int y0, int x1, int y1, float *buf)
int ff_vorbis_ready_floor1_list(AVCodecContext *avctx, vorbis_floor1_entry *list, int values)
unsigned int ff_vorbis_nth_root(unsigned int x, unsigned int n)
static void render_line_unrolled(intptr_t x, int y, int x1, intptr_t sy, int ady, int adx, float *buf)
void ff_vorbis_floor1_render_list(vorbis_floor1_entry *list, int values, uint16_t *y_list, int *flag, int multiplier, float *out, int samples)
int ff_vorbis_len2vlc(uint8_t *bits, uint32_t *codes, unsigned num)
const float ff_vorbis_floor1_inverse_db_table[256]