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Diffstat (limited to 'libavformat/sgi.c')
-rw-r--r--libavformat/sgi.c70
1 files changed, 35 insertions, 35 deletions
diff --git a/libavformat/sgi.c b/libavformat/sgi.c
index a6de0fffbd..9c8f07f191 100644
--- a/libavformat/sgi.c
+++ b/libavformat/sgi.c
@@ -65,8 +65,8 @@ static void read_sgi_header(ByteIOContext *f, SGIInfo *info)
info->xsize = (unsigned short) get_be16(f);
info->ysize = (unsigned short) get_be16(f);
info->zsize = (unsigned short) get_be16(f);
-
- if(info->zsize > 4096)
+
+ if(info->zsize > 4096)
info->zsize= 0;
#ifdef DEBUG
@@ -85,13 +85,13 @@ static void read_sgi_header(ByteIOContext *f, SGIInfo *info)
/* read an uncompressed sgi image */
-static int read_uncompressed_sgi(const SGIInfo *si,
+static int read_uncompressed_sgi(const SGIInfo *si,
AVPicture *pict, ByteIOContext *f)
{
int x, y, z, chan_offset, ret = 0;
uint8_t *dest_row;
- /* skip header */
+ /* skip header */
url_fseek(f, SGI_HEADER_SIZE, SEEK_SET);
pict->linesize[0] = si->xsize;
@@ -100,17 +100,17 @@ static int read_uncompressed_sgi(const SGIInfo *si,
#ifndef WORDS_BIGENDIAN
/* rgba -> bgra for rgba32 on little endian cpus */
- if (si->zsize == 4 && z != 3)
+ if (si->zsize == 4 && z != 3)
chan_offset = 2 - z;
else
#endif
chan_offset = z;
-
+
for (y = si->ysize - 1; y >= 0; y--) {
dest_row = pict->data[0] + (y * si->xsize * si->zsize);
for (x = 0; x < si->xsize; x++) {
- dest_row[chan_offset] = get_byte(f);
+ dest_row[chan_offset] = get_byte(f);
dest_row += si->zsize;
}
}
@@ -126,14 +126,14 @@ static int expand_rle_row(ByteIOContext *f, unsigned char *optr,
{
unsigned char pixel, count;
int length = 0;
-
+
#ifndef WORDS_BIGENDIAN
/* rgba -> bgra for rgba32 on little endian cpus */
if (pixelstride == 4 && chan_offset != 3) {
chan_offset = 2 - chan_offset;
}
#endif
-
+
optr += chan_offset;
while (1) {
@@ -162,12 +162,12 @@ static int expand_rle_row(ByteIOContext *f, unsigned char *optr,
/* read a run length encoded sgi image */
-static int read_rle_sgi(const SGIInfo *sgi_info,
+static int read_rle_sgi(const SGIInfo *sgi_info,
AVPicture *pict, ByteIOContext *f)
{
uint8_t *dest_row;
unsigned long *start_table;
- int y, z, xsize, ysize, zsize, tablen;
+ int y, z, xsize, ysize, zsize, tablen;
long start_offset;
int ret = 0;
@@ -175,7 +175,7 @@ static int read_rle_sgi(const SGIInfo *sgi_info,
ysize = sgi_info->ysize;
zsize = sgi_info->zsize;
- /* skip header */
+ /* skip header */
url_fseek(f, SGI_HEADER_SIZE, SEEK_SET);
/* size of rle offset and length tables */
@@ -188,7 +188,7 @@ static int read_rle_sgi(const SGIInfo *sgi_info,
goto fail;
}
- /* skip run length table */
+ /* skip run length table */
url_fseek(f, tablen, SEEK_CUR);
for (z = 0; z < zsize; z++) {
@@ -216,7 +216,7 @@ fail:
}
-static int sgi_read(ByteIOContext *f,
+static int sgi_read(ByteIOContext *f,
int (*alloc_cb)(void *opaque, AVImageInfo *info), void *opaque)
{
SGIInfo sgi_info, *s = &sgi_info;
@@ -267,23 +267,23 @@ static void write_sgi_header(ByteIOContext *f, const SGIInfo *info)
put_be16(f, SGI_MAGIC);
put_byte(f, info->rle);
- put_byte(f, info->bytes_per_channel);
+ put_byte(f, info->bytes_per_channel);
put_be16(f, info->dimension);
put_be16(f, info->xsize);
put_be16(f, info->ysize);
put_be16(f, info->zsize);
/* The rest are constant in this implementation */
- put_be32(f, 0L); /* pixmin */
- put_be32(f, 255L); /* pixmax */
- put_be32(f, 0L); /* dummy */
+ put_be32(f, 0L); /* pixmin */
+ put_be32(f, 255L); /* pixmax */
+ put_be32(f, 0L); /* dummy */
/* name */
for (i = 0; i < 80; i++) {
put_byte(f, 0);
}
- put_be32(f, 0L); /* colormap */
+ put_be32(f, 0L); /* colormap */
/* The rest of the 512 byte header is unused. */
for (i = 0; i < 404; i++) {
@@ -302,7 +302,7 @@ static int rle_row(ByteIOContext *f, char *row, int stride, int rowsize)
row += (2 * stride);
x -= 2;
- while (x > 0 && (row[-2 * stride] != row[-1 * stride] ||
+ while (x > 0 && (row[-2 * stride] != row[-1 * stride] ||
row[-1 * stride] != row[0])) {
row += stride;
x--;
@@ -316,7 +316,7 @@ static int rle_row(ByteIOContext *f, char *row, int stride, int rowsize)
i = count > 126 ? 126 : count;
count -= i;
- put_byte(f, 0x80 | i);
+ put_byte(f, 0x80 | i);
length++;
while (i > 0) {
@@ -350,14 +350,14 @@ static int rle_row(ByteIOContext *f, char *row, int stride, int rowsize)
put_byte(f, i);
length++;
- put_byte(f, repeat);
+ put_byte(f, repeat);
length++;
};
};
length++;
- put_byte(f, 0);
+ put_byte(f, 0);
return (length);
}
@@ -374,7 +374,7 @@ static int sgi_write(ByteIOContext *pb, AVImageInfo *info)
si->ysize = info->height;
si->rle = 1;
si->bytes_per_channel = 1;
-
+
switch(info->pix_fmt) {
case PIX_FMT_GRAY8:
si->dimension = SGI_SINGLE_CHAN;
@@ -392,14 +392,14 @@ static int sgi_write(ByteIOContext *pb, AVImageInfo *info)
return AVERROR_INVALIDDATA;
}
- write_sgi_header(pb, si);
+ write_sgi_header(pb, si);
tablesize = si->zsize * si->ysize * sizeof(long);
-
+
/* skip rle offset and length tables, write them at the end. */
url_fseek(pb, tablesize * 2, SEEK_CUR);
put_flush_packet(pb);
-
+
lengthtab = av_malloc(tablesize);
offsettab = av_malloc(tablesize);
@@ -407,36 +407,36 @@ static int sgi_write(ByteIOContext *pb, AVImageInfo *info)
#ifndef WORDS_BIGENDIAN
/* rgba -> bgra for rgba32 on little endian cpus */
- if (si->zsize == 4 && z != 3)
+ if (si->zsize == 4 && z != 3)
chan_offset = 2 - z;
else
#endif
chan_offset = z;
-
+
srcrow = info->pict.data[0] + chan_offset;
-
+
for (y = si->ysize -1; y >= 0; y--) {
offsettab[(z * si->ysize) + y] = url_ftell(pb);
lengthtab[(z * si->ysize) + y] = rle_row(pb, srcrow,
si->zsize, si->xsize);
- srcrow += info->pict.linesize[0];
+ srcrow += info->pict.linesize[0];
}
}
url_fseek(pb, 512, SEEK_SET);
-
+
/* write offset table */
for (i = 0; i < (si->ysize * si->zsize); i++) {
put_be32(pb, offsettab[i]);
}
-
+
/* write length table */
for (i = 0; i < (si->ysize * si->zsize); i++) {
put_be32(pb, lengthtab[i]);
}
put_flush_packet(pb);
-
+
av_free(lengthtab);
av_free(offsettab);
@@ -449,7 +449,7 @@ AVImageFormat sgi_image_format = {
"sgi,rgb,rgba,bw",
sgi_probe,
sgi_read,
- (1 << PIX_FMT_GRAY8) | (1 << PIX_FMT_RGB24) | (1 << PIX_FMT_RGBA32),
+ (1 << PIX_FMT_GRAY8) | (1 << PIX_FMT_RGB24) | (1 << PIX_FMT_RGBA32),
#ifdef CONFIG_MUXERS
sgi_write,
#else
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-11 19:47:51 +0000