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CC=i586-mingw32msvc-gcc
CFLAGS=-O3 -Iinc/ -Wall -DLE_ARCH
LDFLAGS=-lpng -lz -lvfw32 -Llib/ -liberty
OBJS=avs2bdnxml.o auto_split.o palletize.o sup.o sort.o
ASMOBJS=frame-a.o
EXE=avs2bdnxml.exe
%.o: %.c %.h Makefile
$(CC) -c $< $(CFLAGS)
$(EXE): $(OBJS) $(ASMOBJS)
$(CC) -o $(EXE) $(OBJS) $(ASMOBJS) $(LDFLAGS)
all: $(EXE)
$(ASMOBJS): $(ASMOBJS:%.o=%.asm)
yasm -f win32 -m x86 -DARCH_X86_64=0 -DPREFIX=1 $< -o $(<:%.asm=%.o)
dist: clean all
strip -s $(EXE)
upx-ucl --best $(EXE)
rm -f $(OBJS) $(ASMOBJS)
.phony clean:
rm -f $(EXE) $(OBJS) $(ASMOBJS)

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CC=gcc
CFLAGS=-DLINUX -O3 -Wall -DLE_ARCH
LDFLAGS=-lpng -lz
OBJS=avs2bdnxml.o auto_split.o palletize.o sup.o sort.o
EXE=avs2bdnxml
%.o: %.c
$(CC) -c $< $(CFLAGS)
$(EXE): $(OBJS)
$(CC) -o $(EXE) $(OBJS) $(LDFLAGS)
all: $(EXE)
dist: clean all
strip -s $(EXE)
upx-ucl --best $(EXE)
rm -f $(OBJS)
.phony clean:
rm -f $(EXE) $(OBJS)

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AVS to BluRay SUP/PGS and BDN XML
---------------------------------
This program can be used to transform AviSynth scripts, which produce RGBA
output, to BDN XML+PNG format. This in turn can be transformed into a SUP file,
which can be used to master a BluRay disc with subtitles.
Usage instructions:
0. If you want to build it:
i586-mingw32msvc-gcc avs2bdnxml.c -o avs2bdnxml.exe -lpng -lz -lvfw32 \
-Llib/ -O3 -Iinc/
1. Prepare subtitles. You can either produce subtitles in a normal format like
SRT or ASS/SSA, or produce an RGBA video beforehand.
2. Create an AviSynth script. If you made a regular subtitle file, you can use
something like this:
video=AviSource("video.avi")
# This requires at least VSFilter 2.39
MaskSub("subtitles.ext",video.width,video.height,
video.framerate,video.framecount)
If you created an RGBA video, do something like this instead:
AviSource("subtitles_RGBA.avi")
FlipVertical()
3. Run the program:
avs2bdnxml input.avs Undefined und 1080p 23.976 output.xml
4. For some programs, you have to convert the PNG files to 8bit RGBA palette.
This doesn't apply to BDSupEdit. You can do it with a tool like pngquant or
pngnq.
pngquant: http://www.libpng.org/pub/png/apps/pngquant.html
pngnq: http://pngnq.sourceforge.net/
5. You get a BDN XML file in the following format:
<?xml version="1.0" encoding="UTF-8"?>
<BDN Version="0.93" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="BD-03-006-0093b BDN File Format.xsd">
<Description>
<Name Title="Undefined" Content=""/>
<Language Code="und"/>
<Format VideoFormat="[ 480i / 480p / 576i / 720p / 1080i /1080p ]" FrameRate="[ 23.976 / 24 / 25 / 29.97 / 50 / 59.94 ]" DropFrame="false"/>
<Events LastEventOutTC="00:00:00:00" FirstEventInTC="00:00:00:00" ContentInTC="00:00:00:00"
ContentOutTC="00:00:00:00" NumberofEvents="[ number of encoded frames ]" Type="Graphic"/>
</Description>
<Events>
<Event Forced="[ False / True ]" InTC="00:00:00:00" OutTC="00:00:00:00">
<Graphic Width="0" Height="0" X="0" Y="0">000000.png</Graphic>
</Event>
</Events>
</BDN>
6. Use a program like BDSupEdit or BDSup2Sub to convert the BDN XML
to a BD-SUP file. The rest is left as an exercise for the reader.
BDSupEdit: http://forum.doom9.org/showthread.php?t=146157
BDSup2Sub: http://forum.doom9.org/showthread.php?t=145277
-- http://ps-auxw.de/avs2bdnxml/

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/*----------------------------------------------------------------------------
* abstract_lists.h - Simple, typesafe, doubly linked lists for C
* Copyright (C) 2010 Arne Bochem <abstract.lists at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#ifndef ABSTRACT_LISTS_H
#define ABSTRACT_LISTS_H
#include <stdlib.h>
#define DECLARE_LIST_BACKEND(kind, prefix, type) \
typedef struct prefix##_list_s prefix##_list_t;\
typedef struct prefix##_list_node_s prefix##_list_node_t;\
struct prefix##_list_s\
{\
prefix##_list_node_t *current, *first, *last;\
};\
struct prefix##_list_node_s\
{\
type *v;\
prefix##_list_node_t *prev, *next;\
};\
kind prefix##_list_t *prefix##_list_new ();\
kind type *prefix##_list_get (prefix##_list_t *l) __attribute__ ((unused));\
kind type *prefix##_list_next (prefix##_list_t *l) __attribute__ ((unused));\
kind type *prefix##_list_prev (prefix##_list_t *l) __attribute__ ((unused));\
kind type *prefix##_list_first (prefix##_list_t *l) __attribute__ ((unused));\
kind type *prefix##_list_last (prefix##_list_t *l) __attribute__ ((unused));\
kind int prefix##_list_empty (prefix##_list_t *l) __attribute__ ((unused));\
kind void prefix##_list_set (prefix##_list_t *l, type *v) __attribute__ ((unused));\
kind void prefix##_list_insert (prefix##_list_t *l, type *v) __attribute__ ((unused));\
kind void prefix##_list_insert_after (prefix##_list_t *l, type *v) __attribute__ ((unused));\
kind void prefix##_list_delete (prefix##_list_t *l) __attribute__ ((unused));\
kind void prefix##_list_remove (prefix##_list_t *l, type *v) __attribute__ ((unused));\
kind void prefix##_list_destroy (prefix##_list_t *l) __attribute__ ((unused));\
kind void prefix##_list_destroy_deep (prefix##_list_t *l) __attribute__ ((unused));
#define IMPLEMENT_LIST_BACKEND(kind, prefix, type) \
kind prefix##_list_t *prefix##_list_new ()\
{\
prefix##_list_t *l = malloc(sizeof(prefix##_list_t));\
l->first = NULL;\
l->last = NULL;\
l->current = NULL;\
return l;\
}\
kind type *prefix##_list_get (prefix##_list_t *l)\
{\
if (l->current == NULL)\
return NULL;\
return l->current->v;\
}\
kind type *prefix##_list_next (prefix##_list_t *l)\
{\
if (l->current != NULL)\
l->current = l->current->next;\
if (l->current != NULL)\
return l->current->v;\
return NULL;\
}\
kind type *prefix##_list_prev (prefix##_list_t *l)\
{\
if (l->current != NULL)\
l->current = l->current->prev;\
if (l->current != NULL)\
return l->current->v;\
return NULL;\
}\
kind type *prefix##_list_first (prefix##_list_t *l)\
{\
l->current = l->first;\
if (l->current == NULL)\
return NULL;\
return l->current->v;\
}\
kind type *prefix##_list_last (prefix##_list_t *l)\
{\
l->current = l->last;\
if (l->current == NULL)\
return NULL;\
return l->current->v;\
}\
kind int prefix##_list_empty (prefix##_list_t *l)\
{\
return (l->first == NULL && l->last == NULL);\
}\
kind void prefix##_list_set (prefix##_list_t *l, type *v)\
{\
if (l->current != NULL)\
l->current->v = v;\
}\
kind void prefix##_list_insert (prefix##_list_t *l, type *v)\
{\
prefix##_list_node_t *new;\
new = calloc(1, sizeof(prefix##_list_node_t));\
new->v = v;\
new->next = l->current;\
new->prev = NULL;\
if (l->first == l->current)\
l->first = new;\
if (l->current != NULL)\
{\
new->prev = l->current->prev;\
if (l->current->prev != NULL)\
l->current->prev->next = new;\
l->current->prev = new;\
}\
l->current = new;\
if (l->last == NULL)\
l->last = new;\
}\
kind void prefix##_list_insert_after (prefix##_list_t *l, type *v)\
{\
prefix##_list_node_t *new;\
new = calloc(1, sizeof(prefix##_list_node_t));\
new->v = v;\
new->next = NULL;\
new->prev = l->current;\
if (l->last == l->current)\
l->last = new;\
if (l->current != NULL)\
{\
new->next = l->current->next;\
if (l->current->next != NULL)\
l->current->next->prev = new;\
l->current->next = new;\
}\
l->current = new;\
if (l->first == NULL)\
l->first = new;\
}\
kind void prefix##_list_delete (prefix##_list_t *l)\
{\
prefix##_list_node_t *node = l->current;\
if (node == NULL)\
return;\
if (node->prev != NULL)\
node->prev->next = node->next;\
if (node->next != NULL)\
node->next->prev = node->prev;\
l->current = node->next;\
if (l->first == node)\
l->first = node->next;\
if (l->last == node)\
l->last = node->prev;\
free(node);\
}\
kind void prefix##_list_remove (prefix##_list_t *l, type *v)\
{\
type *c = prefix##_list_first(l);\
do\
{\
if (c == v)\
{\
prefix##_list_delete(l);\
l->current = l->first;\
return;\
}\
c = prefix##_list_next(l);\
}\
while (c != NULL);\
}\
kind void prefix##_list_destroy (prefix##_list_t *l)\
{\
prefix##_list_first(l);\
while (!prefix##_list_empty(l))\
prefix##_list_delete(l);\
free(l);\
}\
kind void prefix##_list_destroy_deep (prefix##_list_t *l)\
{\
prefix##_list_first(l);\
while (!prefix##_list_empty(l))\
{\
free(l->current->v);\
prefix##_list_delete(l);\
}\
free(l);\
}
#define DECLARE_LIST(prefix, type) DECLARE_LIST_BACKEND(;, prefix, type)
#define IMPLEMENT_LIST(prefix, type) IMPLEMENT_LIST_BACKEND(;, prefix, type)
#define DECLARE_STATIC_LIST(prefix, type) DECLARE_LIST_BACKEND(static, prefix, type)
#define IMPLEMENT_STATIC_LIST(prefix, type) IMPLEMENT_LIST_BACKEND(static, prefix, type)
#define STATIC_LIST(prefix, type) DECLARE_STATIC_LIST(prefix, type) IMPLEMENT_STATIC_LIST(prefix, type)
#endif

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/*----------------------------------------------------------------------------
* avs2bdnxml - Generates BluRay subtitle stuff from RGBA AviSynth scripts
* Copyright (C) 2008-2013 Arne Bochem <avs2bdnxml at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#include <stdint.h>
#include <string.h>
#include <limits.h>
#include "auto_split.h"
#include "abstract_lists.h"
#include "sort.h"
/* Transparent pixels are assumed to be set to zero */
void auto_crop (pic_t p, crop_t *c)
{
uint32_t *b = (uint32_t *)p.b;
int min_x = INT_MAX, max_x = INT_MIN, min_y = INT_MAX, max_y = INT_MIN;
int seen_pixel = 0;
int x, y;
for (y = c->y; y < c->y + c->h && y < p.h; y++)
for (x = c->x; x < c->x + c->w && x < p.w; x++)
if (b[x + p.s * y])
{
seen_pixel = 1;
if (x < min_x)
min_x = x;
if (x > max_x)
max_x = x;
if (y < min_y)
min_y = y;
if (y > max_y)
max_y = y;
}
if (!seen_pixel)
{
c->w = 0;
c->h = 0;
}
else
{
c->x = min_x;
c->y = min_y;
c->w = max_x - min_x + 1;
c->h = max_y - min_y + 1;
}
/* Ensure no forbidden/tiny results are produced */
if (c->w < 8)
{
if (c->x + 8 > p.w)
c->x -= c->x + 8 - p.w;
c->w = 8;
}
if (c->h < 8)
{
if (c->y + 8 > p.h)
c->y -= c->y + 8 - p.h;
c->h = 8;
}
}
static int block_state (pic_t p, crop_t c)
{
uint32_t *b = (uint32_t *)p.b;
int x, y;
for (y = c.y; y < c.y + c.h && y < p.h; y++)
for (x = c.x; x < c.x + c.w && x < p.w; x++)
if (b[x + p.s * y])
return -1;
return 0;
}
#define GRID_BLOCKS 24 /* GCD of 480, 576, 720, 1080 */
static int line_ok (int grid[GRID_BLOCKS + 1][GRID_BLOCKS + 1], int x, int y, int w)
{
int i;
if (grid[y][MAX(0, x - 1)] == -1)
return 0;
for (i = 0; i < w; i++)
if (grid[y][x + i] != -1)
return 0;
if (grid[y][MIN(GRID_BLOCKS, x + i)] == -1)
return 0;
return 1;
}
static void set_line (int grid[GRID_BLOCKS + 1][GRID_BLOCKS + 1], int x, int y, int w, int n)
{
int i;
for (i = 0; i < w; i++)
grid[y][x + i] = n;
}
static rect_t make_rect (int grid[GRID_BLOCKS + 1][GRID_BLOCKS + 1], int x, int y, int n)
{
rect_t r = {x, y, 1, 1};
int line_length = 1;
/* Get length of first rectangle line, and assign rect number */
grid[y][x] = n;
while (line_length + x < GRID_BLOCKS + 1 && grid[y][x + line_length] == -1)
{
grid[y][x + line_length] = n;
line_length++;
}
r.w = line_length;
/* Add lines while available */
while (line_ok(grid, x, r.y + r.h, r.w))
set_line(grid, x, r.y + r.h++, r.w, n);
return r;
}
rect_t merge_rects (rect_t r1, rect_t r2)
{
rect_t r;
/* Set rectangle that covers both input rectangles */
r.x = MIN(r1.x, r2.x);
r.y = MIN(r1.y, r2.y);
r.w = MAX(r1.x + r1.w, r2.x + r2.w) - r.x;
r.h = MAX(r1.y + r1.h, r2.y + r2.h) - r.y;
return r;
}
int score_rect (rect_t r)
{
return r.w * r.h;
}
static int check_close (rect_t r1, rect_t r2, int distance)
{
rect_t a, b;
if (r1.x <= r2.x)
{
a = r1;
b = r2;
}
else
{
a = r2;
b = r1;
}
/* The rectangles are not too close, if the left border of of the right-most
* rectangle has a distance of at least distance to the right border of the
* left-most rectangle.
*/
if (b.x > a.x + a.w + distance)
return 0;
if (r1.y <= r2.y)
{
a = r1;
b = r2;
}
else
{
a = r2;
b = r1;
}
/* Same as before, except vertically */
if (b.y > a.y + a.h + distance)
return 0;
/* Too close! */
return 1;
}
/* crop_t *c - Array of length 2 */
int auto_split (pic_t p, crop_t *c, int ugly, int even_y)
{
crop_t c1 = {0, 0, 0, 0};
crop_t c2 = {0, 0, 0, 0};
crop_t null = {0, 0, 0, 0};
crop_t t;
rect_t rects[(GRID_BLOCKS + 1) * (GRID_BLOCKS + 1)];
rect_t r1 = {0};
rect_t r2 = {0};
rect_t rt1, rt2;
int grid[GRID_BLOCKS + 1][GRID_BLOCKS + 1];
int score_t1, score_t2, score_r1 = 0, score_r2 = 0;
int n_rect = 0;
int score = 0;
int bw, bh;
int x, y;
int i, j;
int n_res;
/* Initialize grid */
memset(grid, 0, sizeof(int) * (GRID_BLOCKS + 1) * (GRID_BLOCKS + 1));
bw = p.w / GRID_BLOCKS;
bh = p.h / GRID_BLOCKS;
/* Ensure block height is even, if even_y is enabled */
if (even_y && (bh % 2))
bh--;
/* Ensure block dimensions are not zero */
if (!bw)
bw = 1;
if (!bh && even_y)
bh = 2;
else if (!bh)
bh = 1;
/* Determine state of blocks */
t.w = bw;
t.h = bh;
for (y = 0; (t.y = y * bh) < p.h; y++)
for (x = 0; (t.x = x * bw) < p.w; x++)
grid[y][x] = block_state(p, t);
/* Create rectangles */
for (y = 0; y < GRID_BLOCKS + 1; y++)
for (x = 0; x < GRID_BLOCKS + 1; x++)
if (grid[y][x] == -1)
{
rects[n_rect] = make_rect(grid, x, y, n_rect);
n_rect++;
}
/* Shouldn't happen, empty frame */
if (!n_rect)
{
c[0] = c1;
c[1] = c2;
return 0;
}
/* Single rectangle */
if (n_rect == 1)
{
c1.x = rects[0].x * bw;
c1.y = rects[0].y * bh;
c1.w = rects[0].w * bw;
c1.h = rects[0].h * bh;
auto_crop(p, &c1);
c[0] = c1;
c[1] = c2;
return 1;
}
/* Two rectangles */
n_res = 2;
/* Any other number of rectangles, first find most "distant" ones */
for (i = 0; i < n_rect; i++)
for (j = 0; j < n_rect; j++)
if (i == j)
continue;
else
{
rt1 = merge_rects(rects[i], rects[j]);
score_t1 = score_rect(rt1);
if (score <= score_t1)
{
score = score_t1;
r1 = rects[i];
r2 = rects[j];
score_r1 = score_rect(r1);
score_r2 = score_rect(r2);
}
}
/* Merge all other rectangles with the "nearest" one */
for (i = 0; i < n_rect; i++)
{
rt1 = merge_rects(r1, rects[i]);
rt2 = merge_rects(r2, rects[i]);
score_t1 = score_rect(rt1);
score_t2 = score_rect(rt2);
if (score_t1 - score_r1 < score_t2 - score_r2)
{
r1 = rt1;
score_r1 = score_t1;
}
else
{
r2 = rt2;
score_r2 = score_t2;
}
}
/* Turn rectangles into crops */
c1.x = r1.x * bw;
c1.y = r1.y * bh;
c1.w = r1.w * bw;
c1.h = r1.h * bh;
c2.x = r2.x * bw;
c2.y = r2.y * bh;
c2.w = r2.w * bw;
c2.h = r2.h * bh;
/* Minimize surfaces and return them */
auto_crop(p, &c1);
auto_crop(p, &c2);
/* Merge in rare cases of closeness or overlap */
if ((!ugly && check_close(c1, c2, 0)) || (ugly && check_close(c1, c2, -1)))
{
c1 = merge_rects(c1, c2);
c2 = null;
auto_crop(p, &c1);
n_res = 1;
}
else if (!ugly)
{
/* Check whether split is ugly due to small gains */
rt1 = merge_rects(c1, c2);
score_t1 = score_rect(rt1);
score_t2 = score_rect(c1) + score_rect(c2);
/* Merge if area taken by the merged rectangle is less than 1.5 * sum of
* split rectangles and the difference is below a hard limit.
*/
if ((score_t1 < 3 * score_t2 / 2) && (score_t1 - score_t2 < 500 * 300))
{
c1 = merge_rects(c1, c2);
c2 = null;
auto_crop(p, &c1);
n_res = 1;
}
}
c[0] = c1;
c[1] = c2;
return n_res;
}
/* Find two minimal non-overlapping windows covering the given rectangles. */
typedef struct window_s
{
rect_t r; /* Position and size. */
int s; /* Score. */
} window_t;
typedef struct interval_s
{
rect_t r;
int start, end;
} interval_t;
STATIC_LIST(interval, interval_t)
int cmp_rect_x (rect_t *a, rect_t *b)
{
return a->x > b->x;
}
int cmp_rect_y (rect_t *a, rect_t *b)
{
return a->y > b->y;
}
void rect_bounds_x (rect_t *c, int *x, int *w)
{
*x = c->x;
*w = c->w;
}
void rect_bounds_y (rect_t *c, int *y, int *h)
{
*y = c->y;
*h = c->h;
}
/* The windows argument must point to 2 * sizeof(rect_t) allocated memory. */
int find_windows (rect_t *rects, int n_rects, rect_t *windows)
{
void (*rect_bounds)(rect_t *, int *, int *);
rect_t **sorted = malloc(sizeof(void *) * n_rects);
void *work[2][2] = { {rect_bounds_x, cmp_rect_x}
, {rect_bounds_y, cmp_rect_y}
};
interval_list_t *segs;
interval_t *iv = NULL;
window_t *fwd, *bwd;
rect_t best[2], tmp;
int i, dir, edge, a, b, n_ivs, found;
int score = -1;
if (!n_rects)
{
free(sorted);
return 0;
}
memset(best, 0, 2 * sizeof(rect_t));
found = 0;
for (dir = 0; dir < 2; dir++)
{
/* Sort rectangles from left/top to right/bottom. */
for (i = 0; i < n_rects; i++)
sorted[i] = &(rects[i]);
sort((sort_func_t)work[dir][1], (void **)sorted, n_rects);
/* Group overlapping rectangles. */
segs = interval_list_new();
n_ivs = 0;
edge = -1;
rect_bounds = work[dir][0];
for (i = 0; i < n_rects; i++)
{
rect_bounds(sorted[i], &a, &b);
if (a < edge)
{
iv->end = MAX(iv->end, a + b);
iv->r = merge_rects(iv->r, *(sorted[i]));
edge = iv->end;
}
else
{
iv = malloc(sizeof(interval_t));
iv->start = a;
iv->end = a + b;
iv->r = *(sorted[i]);
interval_list_insert_after(segs, iv);
n_ivs++;
edge = iv->end;
}
}
if (!n_ivs)
{
interval_list_destroy_deep(segs);
continue;
}
/* Sum up scores for interval 0-n and vice versa. */
fwd = malloc(sizeof(window_t) * n_ivs);
bwd = malloc(sizeof(window_t) * n_ivs);
iv = interval_list_first(segs);
/* Initialize first candidate. */
fwd[0].r = iv->r;
fwd[0].s = score_rect(fwd[0].r);
/* Merge/sum up the rest. */
for (i = 1; i < n_ivs && iv != NULL; i++)
{
iv = interval_list_next(segs);
fwd[i].r = merge_rects(fwd[i - 1].r, iv->r);
fwd[i].s = score_rect(fwd[i].r);
}
iv = interval_list_last(segs);
/* Corresponding to a "merged all" forward window is a null window. */
memset(&(bwd[n_ivs - 1]), 0, sizeof(window_t));
/* Initialize first real candidate if it exists. */
if (n_ivs > 1)
{
bwd[n_ivs - 2].r = iv->r;
bwd[n_ivs - 2].s = score_rect(bwd[n_ivs - 2].r);
}
/* Merge/sum up the rest. */
for (i = n_ivs - 3; i >= 0 && iv != NULL; i--)
{
iv = interval_list_prev(segs);
bwd[i].r = merge_rects(bwd[i + 1].r, iv->r);
bwd[i].s = score_rect(bwd[i].r);
}
/* Find best pair of two windows. */
for (i = 0; i < n_ivs; i++)
if (fwd[i].s + bwd[i].s < score || score == -1)
{
score = fwd[i].s + bwd[i].s;
best[0] = fwd[i].r;
best[1] = bwd[i].r;
}
/* Cleanup. */
free(bwd);
free(fwd);
interval_list_destroy_deep(segs);
}
/* Is any of the best rectangles not null? */
if ((best[0].w != 0 && best[0].h != 0) || (best[1].w != 0 && best[1].h != 0))
{
/* We have at least one. */
found = 1;
/* If the first one is null, set it to the rect of the second and null that one. */
if (best[0].w == 0 || best[0].h == 0)
{
best[0] = best[1];
memset(&(best[1]), 0, sizeof(rect_t));
}
/* If the second rect is still not null... */
if (best[1].w != 0 && best[1].h != 0)
{
/* We found two. */
found = 2;
/* Let's order them, so the one closer to 0/0 is the second. */
if (best[1].y > best[0].y || (best[1].y == best[0].y && best[1].x > best[0].x))
{
tmp = best[0];
best[0] = best[1];
best[1] = tmp;
}
}
memcpy(windows, best, 2 * sizeof(rect_t));
}
/* Cleanup. */
free(sorted);
return found;
}
void enforce_even_y (crop_t *c, int n)
{
int mod;
if (!n)
return;
/* Since block borders used to auto split always lie on even rows, y will
* only be odd when it was shrunk to below a block border, meaning expanding it
* back up by one row should be harmless and never lead to overlap.
*/
mod = c[0].y % 2;
c[0].y -= mod;
c[0].h += mod;
if (n > 1)
{
mod = c[1].y % 2;
c[1].y -= mod;
c[1].h += mod;
}
}

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/*----------------------------------------------------------------------------
* avs2bdnxml - Generates BluRay subtitle stuff from RGBA AviSynth scripts
* Copyright (C) 2008-2013 Arne Bochem <avs2bdnxml at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#ifndef AUTO_SPLIT_H
#define AUTO_SPLIT_H
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#define MIN(x,y) ((x) < (y) ? (x) : (y))
typedef struct pic_s
{
char *b; /* Buffer */
int w;
int h;
int s; /* Stride */
} pic_t;
typedef struct crop_s
{
int x;
int y;
int w;
int h;
} crop_t;
typedef crop_t rect_t;
void auto_crop (pic_t p, crop_t *c);
int find_windows (crop_t *rects, int n_rects, crop_t *windows);
int auto_split (pic_t p, crop_t *c, int ugly, int even_y);
rect_t merge_rects (rect_t r1, rect_t r2);
int score_rect (rect_t r);
void enforce_even_y (crop_t *c, int n);
#endif

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CC=i586-mingw32msvc-gcc
CFLAGS=-O3 -Wall -DLE_ARCH
LDFLAGS=-lm
OBJS=pgsparse.o
EXE=pgsparse.exe
%.o: %.c
$(CC) -c $< $(CFLAGS)
$(EXE): $(OBJS)
$(CC) -o $(EXE) $(OBJS) $(LDFLAGS)
all: $(EXE)
dist: clean all
strip -s $(EXE)
upx-ucl --best $(EXE)
rm -f $(OBJS)
.phony clean:
rm -f $(EXE) $(OBJS)

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CC=gcc
CFLAGS=-O3 -Wall -DLE_ARCH
LDFLAGS=-lm
OBJS=pgsparse.o
EXE=pgsparse
%.o: %.c
$(CC) -c $< $(CFLAGS)
$(EXE): $(OBJS)
$(CC) -o $(EXE) $(OBJS) $(LDFLAGS)
all: $(EXE)
dist: clean all
strip -s $(EXE)
upx-ucl --best $(EXE)
rm -f $(OBJS)
.phony clean:
rm -f $(EXE) $(OBJS)

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/*----------------------------------------------------------------------------
* pgsparse - Parses BluRay PGS/SUP files
* Copyright (C) 2010 Arne Bochem <avs2bdnxml at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#ifdef BE_ARCH
#define SWAP32(x) (x)
#define SWAP16(x) (x)
#endif
#ifdef LE_ARCH
#define SWAP32(x) ((int32_t)(((x & 0xff000000) >> 24) | ((x & 0xff0000) >> 8) | ((x & 0xff00) << 8) | ((x & 0xff) << 24)))
#define SWAP16(x) ((int16_t)(((x & 0xff) << 8) | ((x & 0xff00) >> 8)))
#endif
#ifndef LE_ARCH
#ifndef BE_ARCH
#error "Please specify endian-ness with -DLE_ARCH or -DBE_ARCH."
#endif
#endif
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
typedef struct parser_state_s
{
FILE *fh;
int total_object_sizes;
int images;
int palettes;
int diff_palettes;
char last_pal[256 * 5];
} parser_state_t;
void clear_palette (parser_state_t *ps)
{
memset(ps->last_pal, 0, 256*5);
}
void clear_stats (parser_state_t *ps)
{
ps->total_object_sizes = 0;
ps->images = 0;
ps->palettes = 0;
ps->diff_palettes = 0;
}
parser_state_t *new_sup_parser (char *filename)
{
parser_state_t *ps = malloc(sizeof(parser_state_t));
if ((ps->fh = fopen(filename, "rb")) == NULL)
{
fprintf(stderr, "Couldn't open SUP file (%s): ", filename);
perror(NULL);
abort();
}
clear_stats(ps);
clear_palette(ps);
return ps;
}
void die (FILE *fh, int offset, char *error)
{
fprintf(stderr, "Error at %08x: %s\n", (int)ftell(fh) - offset, error);
exit(1);
}
void safe_read (void *p, int size, FILE *fh, char *desc)
{
char *error;
int r;
if ((r = fread(p, 1, size, fh)) != size)
{
error = malloc(128);
error[127] = 0;
snprintf(error, 127, "Could not read all %uB of %s.", size, desc);
die(fh, r, error);
}
}
void safe_seek (FILE *fh, int pos, char *desc)
{
char *error;
if (fseek(fh, pos, SEEK_CUR))
{
error = malloc(128);
error[127] = 0;
snprintf(error, 127, "Unexpected seek failure during %s.", desc);
perror(error);
abort();
}
}
typedef struct fps_id_s
{
int num;
int den;
int id;
} fps_id_t;
int get_fps (int id, int *fps_num, int *fps_den)
{
fps_id_t ids[] = {{24000, 1001, 16}, {24, 1, 32}, {25, 1, 48}, {30000, 1001, 64}, {50, 1, 96}, {60000, 1001, 112}, {0, 0, 0}};
int i = 0;
while (ids[i].id)
{
if (ids[i].id == id)
{
*fps_num = ids[i].num;
*fps_den = ids[i].den;
return 1;
}
i++;
}
return 0;
}
typedef struct sup_header_s
{
uint8_t m1; /* 'P' */
uint8_t m2; /* 'G' */
uint32_t start_time;
uint32_t dts;
uint8_t packet_type; /* 0x16 = pcs_start/end, 0x17 = wds, 0x14 = palette, 0x15 = ods_first, 0x80 = null */
uint16_t packet_len;
} __attribute ((packed)) sup_header_t;
void conv_sup_header (sup_header_t *h)
{
h->start_time = SWAP32(h->start_time);
h->dts = SWAP32(h->dts);
h->packet_len = SWAP16(h->packet_len);
}
void print_ts (uint32_t ts)
{
printf("%.7fs (%u/90000s)", ((double)ts) / 90000, ts);
}
typedef struct sup_palette_s
{
uint16_t palette; /* FIXME */
} __attribute ((packed)) sup_palette_t;
void conv_sup_palette (sup_palette_t *p)
{
p->palette = SWAP16(p->palette);
}
void read_palette (parser_state_t *ps, sup_header_t h)
{
sup_palette_t p;
char *palette = malloc(5*256);
int i, p_size;
if (h.packet_len < 2+5)
die(ps->fh, sizeof(h), "Undersized palette packet.");
if (h.packet_len > 2+5*256)
die(ps->fh, sizeof(h), "Oversized palette packet.");
safe_read(&p, sizeof(p), ps->fh, "palette marker");
conv_sup_palette(&p);
printf("Palette\n");
printf("\tpalette = %u\n", p.palette);
(ps->palettes)++;
p_size = h.packet_len - 2;
safe_read(palette, p_size, ps->fh, "palette");
for (i = 0; i < p_size; i++)
if (palette[i] != ps->last_pal[i])
{
(ps->diff_palettes)++;
clear_palette(ps);
memcpy(ps->last_pal, palette, p_size);
break;
}
free(palette);
}
typedef struct sup_ods_next_s
{
uint16_t picture;
uint8_t m; /* 0 */
uint8_t last; /* 0 if not, if 64 yes */
} __attribute ((packed)) sup_ods_next_t;
void conv_sup_ods_next (sup_ods_next_t *odsn)
{
odsn->picture = SWAP16(odsn->picture);
}
void read_odsn (parser_state_t *ps, sup_header_t h)
{
sup_ods_next_t odsn;
if (h.packet_len < sizeof(odsn))
die(ps->fh, sizeof(h), "Undersized ODSN packet.");
safe_read(&odsn, sizeof(odsn), ps->fh, "ODSN structure");
conv_sup_ods_next(&odsn);
if (odsn.m != 0 || (odsn.last != 0 && odsn.last != 64))
die(ps->fh, sizeof(odsn), "Invalid ODSN magic.");
printf("ODS next\n");
printf("\tpicture = %u\n", odsn.picture);
printf("\tlast = %s (%u)\n", odsn.last ? "yes" : "no", odsn.last);
safe_seek(ps->fh, h.packet_len - sizeof(odsn), "ODSN data");
}
typedef struct sup_ods_first_s
{
uint16_t picture;
uint8_t palette; /* FIXME */
uint32_t magic_len; /* (single_packet ? 0xc0000000 : 0x80000000) | (length + 4) */
uint16_t width;
uint16_t height;
} __attribute ((packed)) sup_ods_first_t;
void conv_sup_ods_first (sup_ods_first_t *odsf)
{
odsf->picture = SWAP16(odsf->picture);
odsf->magic_len = SWAP32(odsf->magic_len);
odsf->width = SWAP16(odsf->width);
odsf->height = SWAP16(odsf->height);
}
void read_odsf (parser_state_t *ps, sup_header_t h)
{
sup_ods_first_t odsf;
if (h.packet_len < sizeof(odsf))
die(ps->fh, sizeof(h), "Undersized ODSF packet.");
safe_read(&odsf, sizeof(odsf), ps->fh, "ODSF structure");
conv_sup_ods_first(&odsf);
if ((odsf.magic_len & 0x80000000) && (odsf.magic_len & 0x40000000))
{
printf("ODS first\n\todsf type = single\n");
}
else if (odsf.magic_len & 0x80000000)
{
printf("ODS first\n\todsf type = multi\n");
}
else
{
fseek(ps->fh, -sizeof(odsf), SEEK_CUR);
read_odsn(ps, h);
return;
}
ps->total_object_sizes += odsf.width * odsf.height;
(ps->images)++;
printf("\tpicture = %u\n", odsf.picture);
printf("\tpalette = %u\n", odsf.palette);
printf("\tlength = %u (incl. + 4)\n", odsf.magic_len & 0x3fffffff);
printf("\twidth = %u\n", odsf.width);
printf("\theight = %u\n", odsf.height);
safe_seek(ps->fh, h.packet_len - sizeof(odsf), "OSDF data");
}
typedef struct sup_wds_s
{
uint8_t objects; /* 1 or 2 */
} __attribute ((packed)) sup_wds_t;
void conv_sup_wds (sup_wds_t *wds)
{
/* Do nothing. */
}
typedef struct sup_wds_obj_s
{
uint8_t object; /* 0 or 1 */
uint16_t x_off;
uint16_t y_off;
uint16_t width;
uint16_t height;
} __attribute ((packed)) sup_wds_obj_t;
void conv_sup_wds_obj (sup_wds_obj_t *wdso)
{
wdso->x_off = SWAP16(wdso->x_off);
wdso->y_off = SWAP16(wdso->y_off);
wdso->width = SWAP16(wdso->width);
wdso->height = SWAP16(wdso->height);
}
void read_wds (parser_state_t *ps, sup_header_t h)
{
sup_wds_t wds;
sup_wds_obj_t wdso;
int i;
if (h.packet_len != sizeof(wds) + sizeof(wdso) && h.packet_len != sizeof(wds) + 2 * sizeof(wdso))
die(ps->fh, sizeof(h), "Bad size for WDS packet.");
safe_read(&wds, sizeof(wds), ps->fh, "WDS structure");
conv_sup_wds(&wds);
if (wds.objects != 1 && wds.objects != 2)
die(ps->fh, sizeof(wds), "Invalid number of WDS objects.");
printf("WDS\n");
printf("\tobjects = %u\n", wds.objects);
for (i = 0; i < wds.objects; i++)
{
safe_read(&wdso, sizeof(wdso), ps->fh, "WDS object structure");
conv_sup_wds_obj(&wdso);
if (wdso.object != 0 && wdso.object != 1)
die(ps->fh, sizeof(wdso), "Invalid object id in WDS object.");
printf("\tObject %u\n", wdso.object + 1);
printf("\t\tx offset = %u\n", wdso.x_off);
printf("\t\ty offset = %u\n", wdso.y_off);
printf("\t\twidth = %u\n", wdso.width);
printf("\t\theight = %u\n", wdso.height);
}
}
typedef struct sup_pcs_start_s
{
uint16_t width;
uint16_t height; /* height - 2 * Core.getCropOfsY */
uint8_t fps_id; /* getFpsId() */
uint16_t comp_num;
uint8_t follower; /* 0x80 if first or single, 0x40 if follows directly (end = start) or the frame after */
uint16_t m; /* 0 */
uint8_t objects; /* 1 */
} __attribute ((packed)) sup_pcs_start_t;
void conv_sup_pcs_start (sup_pcs_start_t *pcss)
{
pcss->width = SWAP16(pcss->width);
pcss->height = SWAP16(pcss->height);
pcss->comp_num = SWAP16(pcss->comp_num);
pcss->m = SWAP16(pcss->m);
}
typedef struct sup_pcs_start_obj_s
{
uint16_t picture;
uint8_t window;
uint8_t forced; /* forced ? 64 : 0 */
uint16_t x_off;
uint16_t y_off;
} __attribute ((packed)) sup_pcs_start_obj_t;
void conv_sup_pcs_start_obj (sup_pcs_start_obj_t *pcsso)
{
pcsso->picture = SWAP16(pcsso->picture);
pcsso->x_off = SWAP16(pcsso->x_off);
pcsso->y_off = SWAP16(pcsso->y_off);
}
void read_pcs_start (parser_state_t *ps, sup_header_t h)
{
sup_pcs_start_t pcss;
sup_pcs_start_obj_t pcsso;
int fps_num, fps_den, i;
safe_read(&pcss, sizeof(pcss), ps->fh, "PCSS structure");
conv_sup_pcs_start(&pcss);
if (pcss.m != 0)
die(ps->fh, sizeof(pcss), "Invalid PCSS magic.");
printf("PCS start\n");
printf("\tframe width = %u\n", pcss.width);
printf("\tframe height = %u\n", pcss.height);
if (!get_fps(pcss.fps_id, &fps_num, &fps_den))
die(ps->fh, sizeof(pcss), "Invalid FPS ID in PCSS.");
printf("\tfps id = %u (%u/%u)\n", pcss.fps_id, fps_num, fps_den);
printf("\tcomposition = %u\n", pcss.comp_num);
printf("\tfollower = 0x%02X (%s)\n", pcss.follower, pcss.follower == 0x80 ? "no" : "within 2f");
printf("\tobjects = %u\n", pcss.objects);
if (pcss.objects > 2)
die(ps->fh, sizeof(pcss), "Invalid number of objects (must be 1 or 2).");
for (i = 0; i < pcss.objects; i++)
{
safe_read(&pcsso, sizeof(pcsso), ps->fh, "PCSSO structure");
conv_sup_pcs_start_obj(&pcsso);
if (pcsso.window != 0 && pcsso.window != 1)
die(ps->fh, sizeof(pcsso), "Invalid window id in PCSS object.");
printf("\tObject %u\n", i + 1);
if (pcsso.forced && (pcsso.forced != 64))
die(ps->fh, sizeof(pcsso), "Invalid forced flag in PCSS object.");
printf("\t\tpicture = %u\n", pcsso.picture);
printf("\t\twindow = %u\n", pcsso.window);
printf("\t\tforced = %u\n", pcsso.forced);
printf("\t\tx offset = %u\n", pcsso.x_off);
printf("\t\ty offset = %u\n", pcsso.y_off);
}
}
typedef struct sup_pcs_end_s
{
uint16_t width;
uint16_t height;
uint8_t fps_id;
uint16_t comp_num;
uint32_t m;
} __attribute ((packed)) sup_pcs_end_t;
void conv_sup_pcs_end (sup_pcs_end_t *pcse)
{
pcse->width = SWAP16(pcse->width);
pcse->height = SWAP16(pcse->height);
pcse->comp_num = SWAP16(pcse->comp_num);
pcse->m = SWAP32(pcse->m);
}
void read_pcs_end (parser_state_t *ps, sup_header_t h)
{
sup_pcs_end_t pcse;
int fps_num, fps_den;
safe_read(&pcse, sizeof(pcse), ps->fh, "PCSE structure");
conv_sup_pcs_end(&pcse);
if (pcse.m != 0)
die(ps->fh, sizeof(pcse), "Invalid PCSE magic.");
printf("PCS end\n");
printf("\tsubtitle width = %u\n", pcse.width);
printf("\tsubtitle height = %u\n", pcse.height);
if (!get_fps(pcse.fps_id, &fps_num, &fps_den))
die(ps->fh, sizeof(pcse), "Invalid FPS ID in PCSE.");
printf("\tfps id = %u (%u/%u)\n", pcse.fps_id, fps_num, fps_den);
printf("\tcomposition = %u\n", pcse.comp_num);
printf("\tStats\n\t\ttot_ob_size = %u\n\t\timages = %u\n\t\tpalettes = %u\n\t\tdiff_palettes = %u\n", ps->total_object_sizes, ps->images, ps->palettes, ps->diff_palettes);
clear_stats(ps);
clear_palette(ps);
}
void read_sup (parser_state_t *ps)
{
sup_header_t h;
safe_read(&h, sizeof(h), ps->fh, "PG header");
conv_sup_header(&h);
if (h.m1 != 80 || h.m2 != 71)
die(ps->fh, sizeof(h), "Invalid PG header.");
printf("Packet at 0x%08x:\nstart_time = ", (unsigned int)(ftell(ps->fh) - sizeof(h)));
print_ts(h.start_time);
printf("\ndts = ");
print_ts(h.dts);
printf("\ntype = 0x%02X\n", h.packet_type);
printf("length = %u\n", h.packet_len);
switch (h.packet_type)
{
case 0x14:
read_palette(ps, h);
break;
case 0x15:
read_odsf(ps, h);
break;
case 0x16:
switch (h.packet_len)
{
case 11:
read_pcs_end(ps, h);
break;
case 19:
case 27:
read_pcs_start(ps, h);
break;
default:
die(ps->fh, sizeof(h), "Invalid PCS size.");
}
break;
case 0x17:
read_wds(ps, h);
break;
case 0x80:
if (h.packet_len == 0)
printf("Marker\n");
else
die(ps->fh, sizeof(h), "Marker with payload.");
break;
default:
die(ps->fh, sizeof(h), "Unknown packet type.");
}
printf("\n");
}
int main (int argc, char *argv[])
{
parser_state_t *ps;
size_t last;
if (argc != 2)
{
printf("Usage: pgsparse SUPFILE\n");
return 0;
}
ps = new_sup_parser(argv[1]);
fseek(ps->fh, 0, SEEK_END);
last = ftell(ps->fh);
fseek(ps->fh, 0, SEEK_SET);
while (!feof(ps->fh) && ftell(ps->fh) < last)
read_sup(ps);
fclose(ps->fh);
return 0;
}

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;*****************************************************************************
;* frame-a.asm: x86 SSE2 frame operations
;*****************************************************************************
;* Copyright (C) 2013 Arne Bochem <avs2bdnxml at ps-auxw de>
;*
;* This program is free software: you can redistribute it and/or modify
;* it under the terms of the GNU General Public License as published by
;* the Free Software Foundation, either version 3 of the License, or
;* (at your option) any later version.
;*
;* This program is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;* GNU General Public License for more details.
;*
;* You should have received a copy of the GNU General Public License
;* along with this program. If not, see <http://www.gnu.org/licenses/>.
;*****************************************************************************
%include "x86inc.asm"
SECTION_RODATA
zero: db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
a_mask: db 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff
full: db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
ag_mask: db 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff
rb_mask: db 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00
SECTION .text
struc stream_info
.width resd 1
.height resd 1
.fpsden resd 1
.fpsnum resd 1
endstruc
INIT_XMM
cglobal is_identical_sse2, 3,5,6
mov r3, [r0+stream_info.width]
imul r3, [r0+stream_info.height]
lea r3, [r1+r3*4]
mov r4, 0
mova m0, [zero]
mova m1, [a_mask]
mova m2, [full]
.loop:
test r4, r4
jnz .diff
cmp r1, r3
je .ident
mova m3, [r1]
mova m4, m3
pand m4, m1
mova m5, [r2]
pcmpeqd m4, m0
pxor m4, m2
pand m3, m4
mova [r1], m3
psadbw m3, m5
movd r4, m3
add r1, 16
add r2, 16
jmp .loop
.diff:
mov eax, 0
jmp .end
.ident:
mov eax, 1
.end:
RET
INIT_XMM
cglobal is_empty_sse2, 2,4,3
mov r2, [r0+stream_info.width]
imul r2, [r0+stream_info.height]
lea r2, [r1+r2*4]
mov r3, 0
mova m0, [zero]
mova m1, [a_mask]
.loop:
test r3, r3
jnz .not
cmp r1, r2
je .empty
mova m2, [r1]
pand m2, m1
psadbw m2, m0
movd r3, m2
add r1, 16
jmp .loop
.not:
mov eax, 0
jmp .end
.empty:
mov eax, 1
.end:
RET
INIT_XMM
cglobal zero_transparent_sse2, 2,3,5
mov r2, [r0+stream_info.width]
imul r2, [r0+stream_info.height]
lea r2, [r1+r2*4]
mova m0, [zero]
mova m1, [a_mask]
mova m2, [full]
.loop:
cmp r1, r2
je .end
mova m3, [r1]
mova m4, m3
pand m4, m1
pcmpeqd m4, m0
pxor m4, m2
pand m3, m4
mova [r1], m3
add r1, 16
jmp .loop
.end:
RET
INIT_XMM
cglobal swap_rb_sse2, 3,4,5
mov r3, [r0+stream_info.width]
imul r3, [r0+stream_info.height]
lea r3, [r1+r3*4]
mova m0, [ag_mask]
mova m1, [rb_mask]
.loop:
cmp r1, r3
je .end
mova m2, [r1]
mova m3, m2
mova m4, m2
psrld m3, 16
pslld m2, 16
por m2, m3
pand m4, m0
pand m2, m1
por m2, m4
mova [r2], m2
add r1, 16
add r2, 16
jmp .loop
.end:
RET

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/* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#ifndef ZCONF_H
#define ZCONF_H
/*
* If you *really* need a unique prefix for all types and library functions,
* compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
*/
#ifdef Z_PREFIX
# define deflateInit_ z_deflateInit_
# define deflate z_deflate
# define deflateEnd z_deflateEnd
# define inflateInit_ z_inflateInit_
# define inflate z_inflate
# define inflateEnd z_inflateEnd
# define deflateInit2_ z_deflateInit2_
# define deflateSetDictionary z_deflateSetDictionary
# define deflateCopy z_deflateCopy
# define deflateReset z_deflateReset
# define deflateParams z_deflateParams
# define deflateBound z_deflateBound
# define deflatePrime z_deflatePrime
# define inflateInit2_ z_inflateInit2_
# define inflateSetDictionary z_inflateSetDictionary
# define inflateSync z_inflateSync
# define inflateSyncPoint z_inflateSyncPoint
# define inflateCopy z_inflateCopy
# define inflateReset z_inflateReset
# define inflateBack z_inflateBack
# define inflateBackEnd z_inflateBackEnd
# define compress z_compress
# define compress2 z_compress2
# define compressBound z_compressBound
# define uncompress z_uncompress
# define adler32 z_adler32
# define crc32 z_crc32
# define get_crc_table z_get_crc_table
# define zError z_zError
# define alloc_func z_alloc_func
# define free_func z_free_func
# define in_func z_in_func
# define out_func z_out_func
# define Byte z_Byte
# define uInt z_uInt
# define uLong z_uLong
# define Bytef z_Bytef
# define charf z_charf
# define intf z_intf
# define uIntf z_uIntf
# define uLongf z_uLongf
# define voidpf z_voidpf
# define voidp z_voidp
#endif
#if defined(__MSDOS__) && !defined(MSDOS)
# define MSDOS
#endif
#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
# define OS2
#endif
#if defined(_WINDOWS) && !defined(WINDOWS)
# define WINDOWS
#endif
#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
# ifndef WIN32
# define WIN32
# endif
#endif
#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
# ifndef SYS16BIT
# define SYS16BIT
# endif
# endif
#endif
/*
* Compile with -DMAXSEG_64K if the alloc function cannot allocate more
* than 64k bytes at a time (needed on systems with 16-bit int).
*/
#ifdef SYS16BIT
# define MAXSEG_64K
#endif
#ifdef MSDOS
# define UNALIGNED_OK
#endif
#ifdef __STDC_VERSION__
# ifndef STDC
# define STDC
# endif
# if __STDC_VERSION__ >= 199901L
# ifndef STDC99
# define STDC99
# endif
# endif
#endif
#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
# define STDC
#endif
#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
# define STDC
#endif
#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
# define STDC
#endif
#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
# define STDC
#endif
#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
# define STDC
#endif
#ifndef STDC
# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
# define const /* note: need a more gentle solution here */
# endif
#endif
/* Some Mac compilers merge all .h files incorrectly: */
#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
# define NO_DUMMY_DECL
#endif
/* Maximum value for memLevel in deflateInit2 */
#ifndef MAX_MEM_LEVEL
# ifdef MAXSEG_64K
# define MAX_MEM_LEVEL 8
# else
# define MAX_MEM_LEVEL 9
# endif
#endif
/* Maximum value for windowBits in deflateInit2 and inflateInit2.
* WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
* created by gzip. (Files created by minigzip can still be extracted by
* gzip.)
*/
#ifndef MAX_WBITS
# define MAX_WBITS 15 /* 32K LZ77 window */
#endif
/* The memory requirements for deflate are (in bytes):
(1 << (windowBits+2)) + (1 << (memLevel+9))
that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
plus a few kilobytes for small objects. For example, if you want to reduce
the default memory requirements from 256K to 128K, compile with
make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
Of course this will generally degrade compression (there's no free lunch).
The memory requirements for inflate are (in bytes) 1 << windowBits
that is, 32K for windowBits=15 (default value) plus a few kilobytes
for small objects.
*/
/* Type declarations */
#ifndef OF /* function prototypes */
# ifdef STDC
# define OF(args) args
# else
# define OF(args) ()
# endif
#endif
/* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have
* to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
* just define FAR to be empty.
*/
#ifdef SYS16BIT
# if defined(M_I86SM) || defined(M_I86MM)
/* MSC small or medium model */
# define SMALL_MEDIUM
# ifdef _MSC_VER
# define FAR _far
# else
# define FAR far
# endif
# endif
# if (defined(__SMALL__) || defined(__MEDIUM__))
/* Turbo C small or medium model */
# define SMALL_MEDIUM
# ifdef __BORLANDC__
# define FAR _far
# else
# define FAR far
# endif
# endif
#endif
#if defined(WINDOWS) || defined(WIN32)
/* If building or using zlib as a DLL, define ZLIB_DLL.
* This is not mandatory, but it offers a little performance increase.
*/
# ifdef ZLIB_DLL
# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
# ifdef ZLIB_INTERNAL
# define ZEXTERN extern __declspec(dllexport)
# else
# define ZEXTERN extern __declspec(dllimport)
# endif
# endif
# endif /* ZLIB_DLL */
/* If building or using zlib with the WINAPI/WINAPIV calling convention,
* define ZLIB_WINAPI.
* Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
*/
# ifdef ZLIB_WINAPI
# ifdef FAR
# undef FAR
# endif
# include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */
# define ZEXPORT WINAPI
# ifdef WIN32
# define ZEXPORTVA WINAPIV
# else
# define ZEXPORTVA FAR CDECL
# endif
# endif
#endif
#if defined (__BEOS__)
# ifdef ZLIB_DLL
# ifdef ZLIB_INTERNAL
# define ZEXPORT __declspec(dllexport)
# define ZEXPORTVA __declspec(dllexport)
# else
# define ZEXPORT __declspec(dllimport)
# define ZEXPORTVA __declspec(dllimport)
# endif
# endif
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
#ifndef ZEXPORT
# define ZEXPORT
#endif
#ifndef ZEXPORTVA
# define ZEXPORTVA
#endif
#ifndef FAR
# define FAR
#endif
#if !defined(__MACTYPES__)
typedef unsigned char Byte; /* 8 bits */
#endif
typedef unsigned int uInt; /* 16 bits or more */
typedef unsigned long uLong; /* 32 bits or more */
#ifdef SMALL_MEDIUM
/* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
# define Bytef Byte FAR
#else
typedef Byte FAR Bytef;
#endif
typedef char FAR charf;
typedef int FAR intf;
typedef uInt FAR uIntf;
typedef uLong FAR uLongf;
#ifdef STDC
typedef void const *voidpc;
typedef void FAR *voidpf;
typedef void *voidp;
#else
typedef Byte const *voidpc;
typedef Byte FAR *voidpf;
typedef Byte *voidp;
#endif
#if 1 /* HAVE_UNISTD_H -- this line is updated by ./configure */
# include <sys/types.h> /* for off_t */
# include <unistd.h> /* for SEEK_* and off_t */
# ifdef VMS
# include <unixio.h> /* for off_t */
# endif
# define z_off_t off_t
#endif
#ifndef SEEK_SET
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#ifndef z_off_t
# define z_off_t long
#endif
#if defined(__OS400__)
# define NO_vsnprintf
#endif
#if defined(__MVS__)
# define NO_vsnprintf
# ifdef FAR
# undef FAR
# endif
#endif
/* MVS linker does not support external names larger than 8 bytes */
#if defined(__MVS__)
# pragma map(deflateInit_,"DEIN")
# pragma map(deflateInit2_,"DEIN2")
# pragma map(deflateEnd,"DEEND")
# pragma map(deflateBound,"DEBND")
# pragma map(inflateInit_,"ININ")
# pragma map(inflateInit2_,"ININ2")
# pragma map(inflateEnd,"INEND")
# pragma map(inflateSync,"INSY")
# pragma map(inflateSetDictionary,"INSEDI")
# pragma map(compressBound,"CMBND")
# pragma map(inflate_table,"INTABL")
# pragma map(inflate_fast,"INFA")
# pragma map(inflate_copyright,"INCOPY")
#endif
#endif /* ZCONF_H */

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/*----------------------------------------------------------------------------
* avs2bdnxml - Generates BluRay subtitle stuff from RGBA AviSynth scripts
* Copyright (C) 2008-2010 Arne Bochem <avs2bdnxml at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------
* Inspired by the OctTree code by Jerry Huxtable and 0xdeadbeef, thank you.
*----------------------------------------------------------------------------*/
#include <stdlib.h>
#include <stdint.h>
#include "abstract_lists.h"
#define LEVELS 5
#define COLORS 254 /* One reserved for 100% transparent */
typedef struct hexnode_s hexnode_t;
struct hexnode_s
{
unsigned int v[4];
hexnode_t *nodes[16];
int children;
int leaf;
int count;
int index;
};
static hexnode_t *new_hexnode ()
{
hexnode_t *n = calloc(1, sizeof(hexnode_t));
int i;
for (i = 0; i < 4; i++)
{
n->v[i] = 0;
n->nodes[i] = NULL;
}
for (i = 4; i < 16; i++)
n->nodes[i] = NULL;
n->children = 0;
n->leaf = 0;
n->count = 0;
n->index = 0;
return n;
}
static void tree_destroy (hexnode_t *n)
{
int i;
for (i = 0; i < 16; i++)
if (n->nodes[i] != NULL)
tree_destroy(n->nodes[i]);
free(n);
}
STATIC_LIST(pal, hexnode_t)
typedef struct quantizer_s
{
hexnode_t *root;
pal_list_t *levels[LEVELS + 1];
int colors;
int nodes;
} quantizer_t;
static quantizer_t *new_quantizer ()
{
quantizer_t *q = calloc(sizeof(quantizer_t), 1);
int i;
q->root = new_hexnode();
for (i = 0; i <= LEVELS; i++)
q->levels[i] = pal_list_new();
return q;
}
static void destroy_quantizer (quantizer_t *q)
{
int i;
if (q->root != NULL)
tree_destroy(q->root);
for (i = 0; i <= LEVELS; i++)
pal_list_destroy(q->levels[i]);
free(q);
}
static int exec_find_node (hexnode_t *n, uint32_t color, hexnode_t **found, hexnode_t **last, int *index, int *level)
{
int pows[4] = {1, 2, 4, 8};
uint8_t *v = (uint8_t *)&color;
int i;
int idx;
for (; *level <= LEVELS; (*level)++)
{
idx = 0;
for (i = 0; i < 4; i++)
idx += pows[i] * !!(v[i] & (0x80 >> *level));
*last = n;
*index = idx;
if ((*found = n->nodes[idx]) == NULL)
return 0;
else if ((*found)->leaf)
return 1;
else
n = *found;
}
return 0;
}
static int find_node (hexnode_t *n, uint32_t color, hexnode_t **found, hexnode_t **last, int *index, int *level)
{
hexnode_t *f, *l;
int i, r;
int lv = level == NULL ? 0 : *level;
r = exec_find_node(n, color, &f, &l, &i, &lv);
if (found != NULL)
*found = f;
if (last != NULL)
*last = l;
if (index != NULL)
*index = i;
if (level != NULL)
*level = lv;
return r;
}
static int get_color_index (quantizer_t *q, uint32_t color)
{
hexnode_t *f, *l;
if (!color)
return 0;
if (find_node(q->root, color, &f, &l, NULL, NULL))
return f->index;
else
return l->index;
}
static void reduce (quantizer_t *q)
{
pal_list_t *l;
hexnode_t *n, *c;
int i, j, k;
if (q->colors <= COLORS)
return;
for (i = LEVELS - 1; i >= 0; i--)
{
l = q->levels[i];
if (pal_list_empty(l))
continue;
n = pal_list_first(l);
do
{
if (!n->children)
continue;
for (j = 0; j < 16; j++)
if ((c = n->nodes[j]) != NULL)
{
n->count += c->count;
/* UHD compliance on 32bit arch */
if (n->count >= 11480800)
{
n->count >>= 1;
for (k = 0; k < 4; k++)
n->v[k] >>= 1;
}
n->children--;
for (k = 0; k < 4; k++)
n->v[k] += c->v[k];
n->nodes[j] = NULL;
q->colors--;
q->nodes--;
pal_list_remove(q->levels[i+1], c);
tree_destroy(c);
}
n->leaf = 1;
q->colors++;
if (q->colors <= COLORS)
return;
} while ((n = pal_list_next(l)) != NULL);
}
}
static void insert_color (quantizer_t *q, uint32_t color)
{
uint8_t *v = (uint8_t *)&color;
hexnode_t *n = q->root;
hexnode_t *f, *l;
int i, j, level = 0;
/* 100% transparent pixels will be ignored */
if (!color)
return;
while (level <= LEVELS)
{
if (find_node(n, color, &f, &l, &i, &level))
{
f->count++;
for (j = 0; j < 4; j++)
f->v[j] += v[j];
return;
}
else
{
f = new_hexnode();
l->children++;
l->nodes[i] = f;
level++;
q->nodes++;
pal_list_insert(q->levels[level], f);
if (level == LEVELS)
{
f->leaf = 1;
f->count = 1;
for (j = 0; j < 4; j++)
f->v[j] = v[j];
q->colors++;
return;
}
n = f;
}
}
if (q->colors > COLORS)
reduce(q);
}
static int recursive_get_palette (hexnode_t *n, uint32_t pal[COLORS + 1], int index)
{
uint8_t v[4];
int i;
if (n->leaf)
{
for (i = 0; i < 4; i++)
v[i] = n->v[i] / n->count;
pal[n->index = index++] = *(uint32_t *)v;
}
else
for (i = 0; i < 16; i++)
if (n->nodes[i] != NULL)
{
n->index = index;
index = recursive_get_palette(n->nodes[i], pal, index);
}
return index;
}
static void get_palette (quantizer_t *q, uint32_t pal[COLORS + 1])
{
int index;
pal[0] = 0;
if (q->colors > COLORS)
reduce(q);
index = recursive_get_palette(q->root, pal, 1);
if (index <= COLORS && !pal[index])
pal[index] = 0xc0decafe;
}
uint32_t *palletize (uint8_t *im, int w, int h)
{
uint32_t *pal = calloc(256, sizeof(uint32_t));
uint32_t *i = (uint32_t *)im;
quantizer_t *q = new_quantizer();
int x, y;
for (y = 0; y < h; y++)
for (x = 0; x < w; x++)
insert_color(q, i[x + y * w]);
get_palette(q, pal);
for (y = 0; y < h; y++)
for (x = 0; x < w; x++)
im[x + y * w] = get_color_index(q, i[x + y * w]);
destroy_quantizer(q);
return pal;
}

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/*----------------------------------------------------------------------------
* avs2bdnxml - Generates BluRay subtitle stuff from RGBA AviSynth scripts
* Copyright (C) 2008-2010 Arne Bochem <avs2bdnxml at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#ifndef QUANTIZE_H
#define QUANTIZE_H
/* Return malloced palette and overwrite im with 8bpp data */
uint32_t *palletize (char *im, int w, int h);
#endif

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/*----------------------------------------------------------------------------
* sort.c - Generic heapsort
* Copyright (C) 2011 Arne Bochem <heapsort at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#include <stdint.h>
#include <stdlib.h>
/* Returns 1 if a > b, 0 otherwise. */
typedef int (*sort_func_t)(void *, void *);
static inline uint32_t depth_log (uint32_t i)
{
uint32_t j;
#if defined(__i386__)
asm __volatile__ ("bsr %1,%0\n":"=r"(j):"r"(i));
#else
j = 0;
while (i >>= 1)
j++;
#endif
return j;
}
static inline void swap (void **data, uint32_t i, uint32_t j)
{
static void *tmp;
tmp = data[i];
data[i] = data[j];
data[j] = tmp;
}
static inline void reheap (sort_func_t cmp, void **data, uint32_t k, uint32_t hs)
{
uint32_t max_son;
uint32_t l, r;
for (;;)
{
if (hs <= (l = 2 * k + 1))
/* Return if k has no sons. */
return;
else
if (hs > (r = l + 1) && cmp(data[r], data[l]))
/* Set max_son to right son if k has a right son and it is greater than the left son. */
max_son = r;
else
/* If there is no right son, or it is smaller, set max_son to left son. */
max_son = l;
/* Return if k is greater than max_son. */
if (!cmp(data[max_son], data[k]))
return;
/* Otherwise swap k and max_son, and recurse. */
swap(data, k, max_son);
/* "Recurse." */
k = max_son;
}
}
static inline void bottom_up (sort_func_t cmp, void **data, uint32_t *path, uint32_t hs)
{
uint32_t depth = depth_log(hs);
uint32_t i, l, r;
uint32_t k = 0;
void *tmp;
/* Check if there's anything left. */
if (!depth)
return;
for (i = 1; i <= depth; i++)
{
/* Find maximum son. */
if (hs <= (l = 2 * k + 1))
{
/* Terminate path early, if no son found. */
depth--;
break;
}
/* See reheap function. Get maximum son and add to path. */
if (hs > (r = l + 1) && cmp(data[r], data[l]))
k = path[i] = r;
else
k = path[i] = l;
}
/* Find new position for heap root. */
for (i = depth; i > 0; i--)
if (cmp(data[path[i]], data[0]))
break;
/* Move values along path. */
tmp = data[0];
for (k = 1; k <= i; k++)
data[path[k - 1]] = data[path[k]];
data[path[i]] = tmp;
}
void sort (sort_func_t cmp, void **data, uint32_t len)
{
uint32_t path[33]; /* Path of maximum sons. */
uint32_t hs = len; /* Heapsize. */
int i;
/* Small arrays are always sorted. */
if (len < 2)
return;
/* Build heap. */
for (i = len / 2 - 1; i >= 0; i--)
reheap(cmp, data, i, hs);
/* Initialize start point of the path as the heap root. */
path[0] = 0;
while (hs >= 2)
{
/* Swap last item with root. */
swap(data, 0, hs - 1);
/* Rebuild heap structure. */
/*bottom_up(cmp, data, path, --hs);*/ /* Faster for bigger arrays. */
reheap(cmp, data, 0, --hs); /* Faster for smaller arrays, such as here. */
}
}

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/*----------------------------------------------------------------------------
* sort.h - Generic heapsort header
* Copyright (C) 2011 Arne Bochem <heapsort at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#ifndef SORT_H
#define SORT_H
#include <stdint.h>
/* Returns 1 if a > b, 0 otherwise. */
typedef int (*sort_func_t)(void *, void *);
void sort (sort_func_t cmp, void **data, uint32_t len);
#endif

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/*----------------------------------------------------------------------------
* avs2bdnxml - Generates BluRay subtitle stuff from RGBA AviSynth scripts
* Copyright (C) 2008-2013 Arne Bochem <avs2bdnxml at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "auto_split.h"
#include "sup.h"
#include "abstract_lists.h"
#ifdef BE_ARCH
#define SWAP32(x) (x)
#define SWAP16(x) (x)
#endif
#ifdef LE_ARCH
#define SWAP32(x) ((int32_t)(((x & 0xff000000) >> 24) | ((x & 0xff0000) >> 8) | ((x & 0xff00) << 8) | ((x & 0xff) << 24)))
#define SWAP16(x) ((int16_t)(((x & 0xff) << 8) | ((x & 0xff00) >> 8)))
#endif
#ifndef LE_ARCH
#ifndef BE_ARCH
#error "Please specify endian-ness with -DLE_ARCH or -DBE_ARCH."
#endif
#endif
#ifndef DEBUG
#define DEBUG 0
#endif
static int count (uint8_t *im, int x, int w, int col)
{
int c = 0;
for (; x < w && im[x] == col && c <= 16383; x++) /* 14bit max */
c++;
return c;
}
/* Output buffer will contain malloced RLE data */
#define PUSH(x) {*(b++)=(x);(*len)++;}
#define FLAG_COLOR 0x80
#define FLAG_LONG 0x40
static uint8_t *rl_encode (uint8_t *im, int w, int h, rect_t crop, int *len)
{
uint8_t *b = calloc(crop.w * crop.h, 4); /* Over-allocation */
uint8_t *rle = b;
uint8_t col, o;
int x, y, c;
*len = 0;
for (y = crop.y; y < crop.y + crop.h && y < h; y++)
{
for (x = crop.x; x < crop.x + crop.w && x < w; x += c)
{
col = im[x + y * w];
c = count(im + y * w, x, MIN(crop.x + crop.w, w), col);
/* Shorter than shortest range encoding */
if (c < 3 && col)
{
for (o = 0; o < c; o++)
PUSH(col);
continue;
}
/* Range marker */
PUSH (0);
/* Set color flag, if necessary */
o = 0;
if (col)
o |= FLAG_COLOR;
/* Encode length */
if (c >= 64) /* 6bit max */
{
o |= FLAG_LONG;
o |= c >> 8;
PUSH(o);
PUSH(c & 0xFF);
}
else
PUSH(o | c);
/* Output color, if necessary */
if (col)
PUSH(col);
}
/* End of line marker */
PUSH(0);
PUSH(0);
}
return rle;
}
typedef struct sup_header_s
{
uint8_t m1; /* 'P' */
uint8_t m2; /* 'G' */
uint32_t start_time;
uint32_t dts;
uint8_t packet_type; /* 0x16 = pcs_start/end, 0x17 = wds, 0x14 = palette, 0x15 = ods_first, 0x80 = null */
uint16_t packet_len;
} __attribute ((packed)) sup_header_t;
void conv_sup_header (sup_header_t *h)
{
h->start_time = SWAP32(h->start_time);
h->dts = SWAP32(h->dts);
h->packet_len = SWAP16(h->packet_len);
}
static void write_header (FILE *fh, int start_time, int dts, int packet_type, int packet_len)
{
sup_header_t h;
h.m1 = 80; h.m2 = 71;
h.start_time = start_time;
h.dts = dts;
h.packet_type = packet_type;
h.packet_len = packet_len;
conv_sup_header(&h);
fwrite(&h, sizeof(h), 1, fh);
}
typedef struct sup_pcs_start_s
{
uint16_t width;
uint16_t height; /* height - 2 * Core.getCropOfsY */
uint8_t fps_id; /* getFpsId() */
uint16_t comp_num;
uint8_t follower; /* 0x80 if first or single, 0x40 if follows directly (end = start) or the frame after */
uint16_t m; /* 0 */
uint8_t objects; /* 1 */
} __attribute ((packed)) sup_pcs_start_t;
void conv_sup_pcs_start (sup_pcs_start_t *pcss)
{
pcss->width = SWAP16(pcss->width);
pcss->height = SWAP16(pcss->height);
pcss->comp_num = SWAP16(pcss->comp_num);
pcss->m = SWAP16(pcss->m);
}
typedef struct sup_pcs_start_obj_s
{
uint16_t picture;
uint8_t window;
uint8_t forced; /* forced ? 64 : 0 */
uint16_t x_off;
uint16_t y_off;
} __attribute ((packed)) sup_pcs_start_obj_t;
void conv_sup_pcs_start_obj (sup_pcs_start_obj_t *pcsso)
{
pcsso->picture = SWAP16(pcsso->picture);
pcsso->x_off = SWAP16(pcsso->x_off);
pcsso->y_off = SWAP16(pcsso->y_off);
}
static void write_pcs_start (FILE *fh, int start_time, int dts, int follower, int objects, int vid_w, int vid_h, int fps_id, int comp_num)
{
sup_pcs_start_t pcss;
write_header(fh, start_time, dts, 22, sizeof(pcss) + objects * sizeof(sup_pcs_start_obj_t));
pcss.m = 0;
pcss.width = vid_w;
pcss.height = vid_h;
pcss.fps_id = fps_id;
pcss.comp_num = comp_num;
pcss.follower = !follower ? 0x80 : 0x40; /* 0x80 for single lines, and first lines, 0x40 for following directly or with one frame between */
pcss.objects = objects;
conv_sup_pcs_start(&pcss);
fwrite(&pcss, sizeof(pcss), 1, fh);
}
static void write_pcs_start_obj (FILE *fh, int picture, int window, int x_off, int y_off)
{
sup_pcs_start_obj_t pcsso;
pcsso.picture = picture;
pcsso.window = window;
pcsso.forced = 0;
pcsso.x_off = x_off;
pcsso.y_off = y_off;
conv_sup_pcs_start_obj(&pcsso);
fwrite(&pcsso, sizeof(pcsso), 1, fh);
}
typedef struct sup_wds_s
{
uint8_t windows; /* 1 or 2 */
} __attribute ((packed)) sup_wds_t;
void conv_sup_wds (sup_wds_t *wds)
{
/* Do nothing. */
}
typedef struct sup_wds_obj_s
{
uint8_t window; /* 0 or 1 */
uint16_t x_off;
uint16_t y_off;
uint16_t width;
uint16_t height;
} __attribute ((packed)) sup_wds_obj_t;
void conv_sup_wds_obj (sup_wds_obj_t *wdso)
{
wdso->x_off = SWAP16(wdso->x_off);
wdso->y_off = SWAP16(wdso->y_off);
wdso->width = SWAP16(wdso->width);
wdso->height = SWAP16(wdso->height);
}
static void write_wds (FILE *fh, int timestamp, int dts, int windows)
{
sup_wds_t wds;
write_header(fh, timestamp, dts, 23, sizeof(wds) + windows * sizeof(sup_wds_obj_t));
wds.windows = windows;
conv_sup_wds(&wds);
fwrite(&wds, sizeof(wds), 1, fh);
}
static void write_wds_obj (FILE *fh, int window, int w, int h, int x_off, int y_off)
{
sup_wds_obj_t wdso;
wdso.window = window;
wdso.x_off = x_off;
wdso.y_off = y_off;
wdso.width = w;
wdso.height = h;
conv_sup_wds_obj(&wdso);
fwrite(&wdso, sizeof(wdso), 1, fh);
}
#define CLAMP(x,min,max) (MAX(MIN(x,max),min))
static uint8_t get_y (uint32_t c, int s)
{
uint8_t *v = (uint8_t *)&c;
uint8_t r = v[0], g = v[1], b = v[2];
if (s)
return (uint8_t)CLAMP(16 + (int)floor(0.5 + (double)(r * 0.299 * 219.0 / 255.0 + g * 0.587 * 219.0 / 255.0 + b * 0.114 * 219.0 / 255.0)), 16, 235);
else
return (uint8_t)CLAMP(16 + (int)floor(0.5 + (double)(r * 0.2126 * 219.0 / 255.0 + g * 0.7152 * 219.0 / 255.0 + b * 0.0722 * 219.0 / 255.0)), 16, 235);
}
static uint8_t get_u (uint32_t c, int s)
{
uint8_t *v = (uint8_t *)&c;
uint8_t r = v[0], g = v[1], b = v[2];
if (s)
return (uint8_t)CLAMP(128 + (int)floor(0.5 + (double)(r * 0.5 * 224.0 / 255.0 - (g * 0.418688 * 224.0 / 255.0) - (b * 0.081312 * 224.0 / 255.0))), 16, 240);
else
return (uint8_t)CLAMP(128 + (int)floor(0.5 + (double)(r * 0.5 * 224.0 / 255.0 - (g * 0.7152 / 1.5748 * 224.0 / 255.0) - (b * 0.0722 / 1.5748 * 224.0 / 255.0))), 16, 240);
}
static uint8_t get_v (uint32_t c, int s)
{
uint8_t *v = (uint8_t *)&c;
uint8_t r = v[0], g = v[1], b = v[2];
if (s)
return (uint8_t)CLAMP(128 + (int)floor(0.5 + (double)(-r * 0.168736 * 224.0 / 255.0 - (g * 0.331264 * 224.0 / 255.0) + b * 0.5 * 224.0 / 255.0)), 16, 240);
else
return (uint8_t)CLAMP(128 + (int)floor(0.5 + (double)(-r * 0.2126 / 1.8556 * 224.0 / 255.0 - (g * 0.7152 / 1.8556 * 224.0 / 255.0) + b * 0.5 * 224.0 / 255.0)), 16, 240);
}
typedef struct sup_palette_s
{
uint16_t palette;
} __attribute ((packed)) sup_palette_t;
void conv_sup_palette (sup_palette_t *p)
{
p->palette = SWAP16(p->palette);
}
/* Colorspace = 1 for 480p/576p, 0 otherwise */
#define PUT(x) { t = (uint8_t)(x); fwrite(&t, 1, 1, fh); }
static void write_palette (FILE *fh, int dts, int palette, uint32_t *pal, int colorspace)
{
sup_palette_t p;
int entries = 1, i;
uint8_t t;
for (i = 1; i < 256 && pal[i]; i++)
entries++;
write_header(fh, dts, 0, 20, sizeof(p) + entries * 5);
p.palette = palette;
conv_sup_palette(&p);
fwrite(&p, sizeof(p), 1, fh);
for (i = 0; i < entries; i++)
{
PUT(i)
PUT(get_y(pal[i], colorspace))
PUT(get_u(pal[i], colorspace))
PUT(get_v(pal[i], colorspace))
PUT(((uint8_t *)&(pal[i]))[3])
}
}
typedef struct sup_ods_first_s
{
uint16_t picture;
uint8_t m; /* 0 */
uint32_t magic_len; /* (single_packet ? 0xc0000000 : 0x80000000) | (length + 4) */
uint16_t width;
uint16_t height;
} __attribute ((packed)) sup_ods_first_t;
void conv_sup_ods_first (sup_ods_first_t *odsf)
{
odsf->picture = SWAP16(odsf->picture);
odsf->magic_len = SWAP32(odsf->magic_len);
odsf->width = SWAP16(odsf->width);
odsf->height = SWAP16(odsf->height);
}
typedef struct sup_ods_next_s
{
uint16_t picture;
uint8_t m; /* 0 */
uint8_t last; /* 0 if not, if 64 yes */
} __attribute ((packed)) sup_ods_next_t;
void conv_sup_ods_next (sup_ods_next_t *odsn)
{
odsn->picture = SWAP16(odsn->picture);
}
static void write_image (FILE *fh, int timestamp, int dts, int picture, int w, int h, uint8_t *rle, int rle_len)
{
sup_ods_first_t odsf;
sup_ods_next_t odsn = {picture, 0, 0};
int length = 0x80000000 | (rle_len + 4);
int size;
if (rle_len > 65508)
size = 65508;
else
{
size = rle_len;
length |= 0x40000000;
}
rle_len -= size;
write_header(fh, timestamp, dts, 21, sizeof(odsf) + size);
odsf.picture = picture;
odsf.m = 0;
odsf.magic_len = length;
odsf.width = w;
odsf.height = h;
conv_sup_ods_first(&odsf);
fwrite(&odsf, sizeof(odsf), 1, fh);
fwrite(rle, size, 1, fh);
rle += size;
while (rle_len)
{
if (rle_len > 65515)
size = 65515;
else
size = rle_len;
rle_len -= size;
if (!rle_len)
odsn.last = 64;
write_header(fh, timestamp, dts, 21, sizeof(odsn) + size);
conv_sup_ods_next(&odsn);
fwrite(&odsn, sizeof(odsn), 1, fh);
fwrite(rle, size, 1, fh);
rle += size;
}
}
static void write_marker (FILE *fh, int time)
{
write_header(fh, time, 0, 0x80, 0);
}
typedef struct sup_pcs_end_s
{
uint16_t width;
uint16_t height;
uint8_t fps_id;
uint16_t comp_num;
uint32_t m;
} __attribute ((packed)) sup_pcs_end_t;
void conv_sup_pcs_end (sup_pcs_end_t *pcse)
{
pcse->width = SWAP16(pcse->width);
pcse->height = SWAP16(pcse->height);
pcse->comp_num = SWAP16(pcse->comp_num);
pcse->m = SWAP32(pcse->m);
}
static void write_pcs_end (FILE *fh, int end_time, int dts, int w, int h, int fps_id, int comp_num)
{
sup_pcs_end_t pcse;
write_header(fh, end_time, dts, 22, sizeof(pcse));
pcse.width = w;
pcse.height = h;
pcse.fps_id = fps_id;
pcse.comp_num = comp_num;
pcse.m = 0;
conv_sup_pcs_end(&pcse);
fwrite(&pcse, sizeof(pcse), 1, fh);
}
typedef struct fps_id_s
{
int num;
int den;
int id;
} fps_id_t;
static int get_id (int fps_num, int fps_den)
{
fps_id_t ids[] = {{24000, 1001, 16}, {24, 1, 32}, {25, 1, 48}, {30000, 1001, 64}, {50, 1, 96}, {60000, 1001, 112}, {0, 0, 0}};
int i = 0;
while (ids[i].den)
{
if (ids[i].num == fps_num && ids[i].den == fps_den)
return ids[i].id;
i++;
}
return 16;
}
sup_writer_t *new_sup_writer (char *filename, int im_w, int im_h, int fps_num, int fps_den)
{
sup_writer_t *sw = malloc(sizeof(sup_writer_t));
if ((sw->fh = fopen(filename, "wb")) == NULL)
{
perror("Error opening output SUP/PGS file");
exit(1);
}
sw->non_new = 0;
sw->im_w = im_w;
sw->im_h = im_h;
if (im_h == 480 || im_h == 576)
sw->colorspace = 1;
else
sw->colorspace = 0;
sw->fps_num = fps_num;
sw->fps_den = fps_den;
sw->fps_id = get_id(fps_num, fps_den);
sw->comp_num = 0;
sw->end = -2;
sw->follower_end = -2;
sw->objects = 0;
sw->palettes = 0;
sw->buffer = 0;
sw->palette_offset = 0;
sw->picture_offset = 0;
sw->last_end_ts = 0;
sw->last_window_ts = 0;
sw->window_num = 0;
sw->sil = si_list_new();
memset(sw->windows, 0, 2 * sizeof(rect_t));
return sw;
}
void destroy_si (subtitle_info_t *si)
{
int i;
for (i = 0; i < si->num_crop; i++)
free(si->rle[i]);
free(si);
}
void write_subtitle (sup_writer_t *sw, uint8_t **rle, int *rle_len, int num_crop, rect_t *crops, uint32_t *pal, int start, int end, int new_composition)
{
uint32_t frame_ts, window_ts, decode_ts;
uint32_t window_ts_list[2], decode_ts_list[2];
uint32_t later_window;
int in_window[2];
uint32_t dts;
uint32_t start_ts, end_ts, ts;
int follower = 0;
uint32_t im_ts = 0;
int i, j;
double tick_fac = 90000;
/* For stuff following frame by frame (endts = startts):
* - Write: PCSS, WDS, PAL, IMG, MARK, [PCSS, WDS, PAL, IMG, MARK...], PCSE, WDS, MARK
*
* Behaviour in reference file:
* During an epoch of followers, if number of objects/position/size changes, increase
* composition by one, increase all further picture values by previous number of
* composition objects, increase palette by one. Object id in PCSS is 1 for all.
* Do some stuff to WDS too. Keep it to first value, if stuff still fits in the window?
* It seems WDS has to stay constant within a single composition. What a pain.
*/
tick_fac *= ((double)sw->fps_den) / ((double)sw->fps_num);
start_ts = (int)floor((double)start * tick_fac + 0.5);
end_ts = (int)floor((double)end * tick_fac + 0.5);
/* Calculate some timestamps/modifiers */
frame_ts = (sw->im_w * sw->im_h * 9 + 3199) / 3200;
window_ts = 0;
if (sw->non_new && ((start == sw->follower_end) || (start == sw->follower_end + 1)))
follower = 1;
sw->follower_end = end;
for (i = 0; i < sw->window_num; i++)
{
window_ts_list[i] = (sw->windows[i].w * sw->windows[i].h * 9 + 3199) / 3200;
window_ts += window_ts_list[i];
}
decode_ts = 0;
for (i = 0; i < num_crop; i++)
{
decode_ts_list[i] = (crops[i].w * crops[i].h * 9 + 1599) / 1600;
decode_ts += decode_ts_list[i];
}
if (sw->window_num > 1)
later_window = window_ts_list[1];
else
later_window = window_ts_list[0];
/* Calculate dts */
if (num_crop == 1)
{
if (new_composition)
dts = start_ts - frame_ts - window_ts;
else
dts = start_ts - window_ts - decode_ts;
}
else
{
if (new_composition)
dts = start_ts - frame_ts - window_ts;
else
dts = start_ts - decode_ts - later_window;
}
/* Determine windows */
for (i = 0; i < num_crop; i++)
for (j = 0; j < sw->window_num; j++)
if (crops[i].x >= sw->windows[j].x && crops[i].x + crops[i].w <= sw->windows[j].x + sw->windows[j].w && crops[i].y >= sw->windows[j].y && crops[i].y + crops[i].h <= sw->windows[j].y + sw->windows[j].h)
{
in_window[i] = j;
break;
}
/* Write PCSS */
write_pcs_start(sw->fh, start_ts, dts, follower, num_crop, sw->im_w, sw->im_h, sw->fps_id, sw->comp_num);
for (i = 0; i < num_crop; i++)
write_pcs_start_obj(sw->fh, sw->picture_offset + i, in_window[i], crops[i].x, crops[i].y);
/* Write WDS */
ts = start_ts - window_ts; /* Can be very slightly off, possible rounding error (FIXME: fixed?) */
write_wds(sw->fh, ts, dts, sw->window_num);
for (i = 0; i < sw->window_num; i++)
write_wds_obj(sw->fh, i, sw->windows[i].w, sw->windows[i].h, sw->windows[i].x, sw->windows[i].y);
/* Write palette */
write_palette(sw->fh, dts, sw->palette_offset, pal, sw->colorspace);
/* Write image data */
for (i = 0; i < num_crop; i++)
{
if (num_crop == 1)
{
if (new_composition)
im_ts = start_ts - frame_ts + window_ts; /* This one can be off a bit. (FIXME) */
else
im_ts = start_ts - window_ts;
}
else if (i == 0)
{
if (new_composition)
im_ts = start_ts - frame_ts + window_ts_list[0] - later_window; /* This one can be off a bit, ~5/90000s was observed (FIXME: fixed?) */
else
im_ts = start_ts - later_window - decode_ts_list[1];
}
else
{
if (new_composition)
{
im_ts = start_ts - frame_ts + window_ts; /* Can be slightly off, possible rounding error (FIXME: fixed?) */
dts = start_ts - frame_ts + window_ts_list[0] - later_window;
}
else
{
im_ts = start_ts - later_window;
dts = start_ts - later_window - decode_ts_list[1];
}
}
write_image(sw->fh, im_ts, dts, sw->picture_offset + i, crops[i].w, crops[i].h, rle[i], rle_len[i]);
}
/* Write marker */
write_marker(sw->fh, im_ts);
/* Remember data for creation of composition end */
sw->last_end_ts = end_ts;
sw->last_window_ts = window_ts;
}
void write_composition (sup_writer_t *sw)
{
rect_t *rects;
subtitle_info_t *si;
int last_num_crop = 0;
rect_t last_crops[2];
int new_composition = 1;
int si_rects = 0;
int ts, dts;
int i;
/* Only write anything if there is a non-empty composition */
if (!sw->non_new)
return;
/* Count subtitles */
si = si_list_first(sw->sil);
while (si != NULL)
{
si_rects += si->num_crop;
si = si_list_next(sw->sil);
}
/* Gather crop rects. */
rects = malloc(si_rects * sizeof(rect_t));
si = si_list_first(sw->sil);
si_rects = 0;
while (si != NULL)
{
for (i = 0; i < si->num_crop; i++)
rects[si_rects++] = si->crops[i];
si = si_list_next(sw->sil);
}
/* Calculate windows */
sw->window_num = find_windows(rects, si_rects, sw->windows);
if (!sw->window_num)
{
fprintf(stderr, "Warning: WDS failure, skipping.\n");
return;
}
/* Write subtitles */
si = si_list_first(sw->sil);
while (si != NULL)
{
if (!new_composition && (last_num_crop != si->num_crop || memcmp(last_crops, si->crops, MIN(last_num_crop, si->num_crop) * sizeof(rect_t))))
{
(sw->comp_num)++;
(sw->palette_offset)++;
(sw->picture_offset) += last_num_crop;
}
last_num_crop = si->num_crop;
memcpy(last_crops, si->crops, si->num_crop * sizeof(rect_t));
write_subtitle(sw, si->rle, si->rle_len, si->num_crop, si->crops, si->pal, si->start, si->end, new_composition);
new_composition = 0;
si_list_delete(sw->sil);
destroy_si(si);
si = si_list_get(sw->sil);
}
/* Write PCSE */
dts = sw->last_end_ts - sw->last_window_ts - 1;
write_pcs_end(sw->fh, sw->last_end_ts, dts, sw->im_w, sw->im_h, sw->fps_id, ++(sw->comp_num));
/* Write WDS */
ts = sw->last_end_ts - sw->last_window_ts;
write_wds(sw->fh, ts, dts, sw->window_num);
for (i = 0; i < sw->window_num; i++)
write_wds_obj(sw->fh, i, sw->windows[i].w, sw->windows[i].h, sw->windows[i].x, sw->windows[i].y);
/* Write marker */
write_marker(sw->fh, dts);
/* Cleanup */
free(rects);
/* New composition */
(sw->comp_num)++;
/* Reset picture and palette count, new buffer. */
sw->objects = 0;
sw->palettes = 0;
sw->palette_offset = 0;
sw->picture_offset = 0;
sw->buffer = 0;
}
subtitle_info_t *collect_si (sup_writer_t *sw, uint8_t *im, int num_crop, rect_t *crops, uint32_t *pal, int start, int end)
{
subtitle_info_t *si = malloc(sizeof(subtitle_info_t));
int i;
si->start = start;
si->end = end;
si->num_crop = num_crop;
for (i = 0; i < num_crop; i++)
{
si->crops[i].w = crops[i].w;
si->crops[i].h = crops[i].h;
si->crops[i].x = crops[i].x;
si->crops[i].y = crops[i].y;
si->rle[i] = rl_encode(im, sw->im_w, sw->im_h, si->crops[i], &(si->rle_len[i]));
}
memcpy(si->pal, pal, 256 * sizeof(uint32_t));
return si;
}
void close_sup_writer (sup_writer_t *sw)
{
write_composition(sw);
si_list_first(sw->sil);
while(!si_list_empty(sw->sil))
{
destroy_si(si_list_first(sw->sil));
si_list_delete(sw->sil);
}
si_list_destroy(sw->sil);
fclose(sw->fh);
free(sw);
}
IMPLEMENT_LIST(si, subtitle_info_t)
void write_sup (sup_writer_t *sw, uint8_t *im, int num_crop, rect_t *crops, uint32_t *pal, int start, int end, int strict)
{
rect_t tmp;
int buffer_increase;
int i;
buffer_increase = 0;
for (i = 0; i < num_crop; i++)
buffer_increase += crops[i].w * crops[i].h + 16;
/* Disabled some conditions for now. */
if (sw->non_new && ((start > sw->end + 1) || (sw->objects + num_crop > 64) || (strict && ((sw->buffer + buffer_increase >= 4 * 1024 * 1024) || (sw->palettes + 1 > 8)))))
{
# if DEBUG != 0
# warning "DEBUG enabled."
printf("Starting new composition ");
if (start > sw->end)
printf("due to time difference. %u > %u + 1\n", start, sw->end);
else if (sw->buffer + buffer_increase >= 4 * 1024 * 1024)
printf("due to buffer overflow. %u + %u = %u > %u\n", sw->buffer, buffer_increase, sw->buffer + buffer_increase, 4*1024*1024);
else if (sw->objects + num_crop > 64)
printf("due to number of composition objects. %u + %u = %u > %u\n", sw->objects, num_crop, sw->picture + num_crop, 64);
else if (sw->palette + 1 > 8)
printf("due to number of palettes. %u + %u = %u > %u\n", sw->palette, 1, sw->palette + 1, 8);
else
printf("for unknown reasons.\n");
# else
if (strict)
{
if (sw->buffer + buffer_increase >= 4 * 1024 * 1024)
{
printf("Warning: Starting new epoch due to buffer overflow (%u -> %u > %u) for event starting at frame %u (including offsets) in stricter mode.\n", sw->buffer, sw->buffer + buffer_increase, 4 * 1024 * 1024, start);
}
else if (sw->palettes + 1 > 8)
{
printf("Warning: Starting new epoch due to too many palettes for event starting at frame %u (including offsets) in stricter mode.\n", start);
}
}
# endif
write_composition(sw);
}
sw->non_new = 1;
sw->end = end;
sw->buffer += buffer_increase;
sw->objects += num_crop;
(sw->palettes)++; /* FIXME: It's probably okay not to increase this if the palette is identical to the last, but this would require further testing and possibly additional code so identical palettes are not written to the stream multiple times? */
if (num_crop > 1)
{
/* Let's order them, so the one closer to 0/0 is the second. */
if (crops[0].y < crops[1].y || (crops[0].y == crops[1].y && crops[0].x < crops[1].x))
{
tmp = crops[0];
crops[0] = crops[1];
crops[1] = tmp;
}
}
si_list_insert_after(sw->sil, collect_si(sw, im, num_crop, crops, pal, start, end));
}

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/*----------------------------------------------------------------------------
* avs2bdnxml - Generates BluRay subtitle stuff from RGBA AviSynth scripts
* Copyright (C) 2008-2010 Arne Bochem <avs2bdnxml at ps-auxw de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*----------------------------------------------------------------------------*/
#ifndef SUP_H
#define SUP_H
#include "auto_split.h"
#include "abstract_lists.h"
typedef struct subtitle_info_s
{
int start;
int end;
int num_crop;
rect_t crops[2];
int rle_len[2];
uint8_t *rle[2];
uint32_t pal[256];
} subtitle_info_t;
DECLARE_LIST(si, subtitle_info_t)
typedef struct sup_writer_s
{
FILE *fh;
int non_new;
int im_w;
int im_h;
int colorspace;
int fps_num;
int fps_den;
int fps_id;
uint16_t comp_num;
unsigned int end;
unsigned int follower_end;
int buffer;
int objects;
int palettes;
int palette_offset;
int picture_offset;
int last_end_ts;
int last_window_ts;
int window_num;
rect_t windows[2];
si_list_t *sil;
} sup_writer_t;
/* Create a new sup writer state */
sup_writer_t *new_sup_writer (char *filename, int im_w, int im_h, int fps_num, int fps_den);
/* Write sup data for subtitle */
void write_sup (sup_writer_t *sw, uint8_t *im, int num_crop, rect_t *crops, uint32_t *pal, int start, int end, int strict);
/* Call this once at the end */
void close_sup_writer (sup_writer_t *sw);
#endif

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