---
libavcodec/exr.c | 103 ++++++++++++++++++++++++-----------------------
1 file changed, 53 insertions(+), 50 deletions(-)
diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 4bac0be89b..0f7c7b8546 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -989,7 +989,7 @@ static int dwa_uncompress(const EXRContext *s, const
uint8_t *src, int compresse
int64_t ac_count, dc_count, ac_compression;
const int dc_w = td->xsize >> 3;
const int dc_h = td->ysize >> 3;
- GetByteContext gb, agb;
+ GetByteContext gb;
int skip, ret;
if (compressed_size <= 88)
@@ -1103,51 +1103,54 @@ static int dwa_uncompress(const EXRContext *s, const
uint8_t *src, int compresse
bytestream2_skip(&gb, rle_csize);
}
- bytestream2_init(&agb, td->ac_data, ac_count * 2);
+ {
+ GetByteContext agb;
+ bytestream2_init(&agb, td->ac_data, ac_count * 2);
- for (int y = 0; y < td->ysize; y += 8) {
- for (int x = 0; x < td->xsize; x += 8) {
- memset(td->block, 0, sizeof(td->block));
+ for (int y = 0; y < td->ysize; y += 8) {
+ for (int x = 0; x < td->xsize; x += 8) {
+ memset(td->block, 0, sizeof(td->block));
- for (int j = 0; j < 3; j++) {
- float *block = td->block[j];
- const int idx = (x >> 3) + (y >> 3) * dc_w + dc_w * dc_h * j;
- uint16_t *dc = (uint16_t *)td->dc_data;
- union av_intfloat32 dc_val;
+ for (int j = 0; j < 3; j++) {
+ float *block = td->block[j];
+ const int idx = (x >> 3) + (y >> 3) * dc_w + dc_w * dc_h *
j;
+ uint16_t *dc = (uint16_t *)td->dc_data;
+ union av_intfloat32 dc_val;
- dc_val.i = half2float(dc[idx], &s->h2f_tables);
+ dc_val.i = half2float(dc[idx], &s->h2f_tables);
- block[0] = dc_val.f;
- ac_uncompress(s, &agb, block);
- dct_inverse(block);
- }
+ block[0] = dc_val.f;
+ ac_uncompress(s, &agb, block);
+ dct_inverse(block);
+ }
- {
- const int o = s->nb_channels == 4;
- float *bo = ((float *)td->uncompressed_data) +
- y * td->xsize * s->nb_channels + td->xsize * (o + 0) + x;
- float *go = ((float *)td->uncompressed_data) +
- y * td->xsize * s->nb_channels + td->xsize * (o + 1) + x;
- float *ro = ((float *)td->uncompressed_data) +
- y * td->xsize * s->nb_channels + td->xsize * (o + 2) + x;
- float *yb = td->block[0];
- float *ub = td->block[1];
- float *vb = td->block[2];
-
- for (int yy = 0; yy < 8; yy++) {
- for (int xx = 0; xx < 8; xx++) {
- const int idx = xx + yy * 8;
-
- convert(yb[idx], ub[idx], vb[idx], &bo[xx], &go[xx],
&ro[xx]);
-
- bo[xx] = to_linear(bo[xx], 1.f);
- go[xx] = to_linear(go[xx], 1.f);
- ro[xx] = to_linear(ro[xx], 1.f);
- }
+ {
+ const int o = s->nb_channels == 4;
+ float *bo = ((float *)td->uncompressed_data) +
+ y * td->xsize * s->nb_channels + td->xsize * (o + 0) +
x;
+ float *go = ((float *)td->uncompressed_data) +
+ y * td->xsize * s->nb_channels + td->xsize * (o + 1) +
x;
+ float *ro = ((float *)td->uncompressed_data) +
+ y * td->xsize * s->nb_channels + td->xsize * (o + 2) +
x;
+ float *yb = td->block[0];
+ float *ub = td->block[1];
+ float *vb = td->block[2];
+
+ for (int yy = 0; yy < 8; yy++) {
+ for (int xx = 0; xx < 8; xx++) {
+ const int idx = xx + yy * 8;
+
+ convert(yb[idx], ub[idx], vb[idx], &bo[xx],
&go[xx], &ro[xx]);
+
+ bo[xx] = to_linear(bo[xx], 1.f);
+ go[xx] = to_linear(go[xx], 1.f);
+ ro[xx] = to_linear(ro[xx], 1.f);
+ }
- bo += td->xsize * s->nb_channels;
- go += td->xsize * s->nb_channels;
- ro += td->xsize * s->nb_channels;
+ bo += td->xsize * s->nb_channels;
+ go += td->xsize * s->nb_channels;
+ ro += td->xsize * s->nb_channels;
+ }
}
}
}
@@ -1378,10 +1381,10 @@ static int decode_block(AVCodecContext *avctx, void
*tdata,
ptr = p->data[plane] + window_ymin * p->linesize[plane] +
(window_xmin * 4);
for (i = 0; i < ysize; i++, ptr += p->linesize[plane]) {
- const uint8_t *src;
+ const uint8_t *tmp_src;
union av_intfloat32 *ptr_x;
- src = channel_buffer[c];
+ tmp_src = channel_buffer[c];
ptr_x = (union av_intfloat32 *)ptr;
// Zero out the start if xmin is not 0
@@ -1395,20 +1398,20 @@ static int decode_block(AVCodecContext *avctx, void
*tdata,
union av_intfloat32 t;
if (trc_func && c < 3) {
for (x = 0; x < xsize; x++) {
- t.i = bytestream_get_le32(&src);
+ t.i = bytestream_get_le32(&tmp_src);
t.f = trc_func(t.f);
*ptr_x++ = t;
}
} else if (one_gamma != 1.f) {
for (x = 0; x < xsize; x++) {
- t.i = bytestream_get_le32(&src);
+ t.i = bytestream_get_le32(&tmp_src);
if (t.f > 0.0f && c < 3) /* avoid negative values
*/
t.f = powf(t.f, one_gamma);
*ptr_x++ = t;
}
} else {
for (x = 0; x < xsize; x++) {
- t.i = bytestream_get_le32(&src);
+ t.i = bytestream_get_le32(&tmp_src);
*ptr_x++ = t;
}
}
@@ -1416,11 +1419,11 @@ static int decode_block(AVCodecContext *avctx, void
*tdata,
// 16-bit
if (c < 3 || !trc_func) {
for (x = 0; x < xsize; x++) {
- *ptr_x++ =
s->gamma_table[bytestream_get_le16(&src)];
+ *ptr_x++ =
s->gamma_table[bytestream_get_le16(&tmp_src)];
}
} else {
for (x = 0; x < xsize; x++) {
- ptr_x[0].i = half2float(bytestream_get_le16(&src),
&s->h2f_tables);
+ ptr_x[0].i =
half2float(bytestream_get_le16(&tmp_src), &s->h2f_tables);
ptr_x++;
}
}
@@ -2033,7 +2036,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame
*picture,
GetByteContext *gb = &s->gb;
uint8_t *ptr;
- int i, y, ret, ymax;
+ int y, ret, ymax;
int planes;
int out_line_size;
int nb_blocks; /* nb scanline or nb tile */
@@ -2191,7 +2194,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame
*picture,
s->buf_size = avpkt->size;
// Zero out the start if ymin is not 0
- for (i = 0; i < planes; i++) {
+ for (int i = 0; i < planes; i++) {
ptr = picture->data[i];
for (y = 0; y < FFMIN(s->ymin, s->h); y++) {
memset(ptr, 0, out_line_size);
@@ -2206,7 +2209,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame
*picture,
ymax = FFMAX(0, s->ymax + 1);
// Zero out the end if ymax+1 is not h
if (ymax < avctx->height)
- for (i = 0; i < planes; i++) {
+ for (int i = 0; i < planes; i++) {
ptr = picture->data[i] + (ymax * picture->linesize[i]);
for (y = ymax; y < avctx->height; y++) {
memset(ptr, 0, out_line_size);
--
2.39.3 (Apple Git-146)
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