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exr: cosmetics: reindent

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-02-21 12:55:25 +00:00
parent 9c75c24de4
commit fefd4b0924
1 changed files with 94 additions and 94 deletions
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188
libavcodec/exr.c
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@ -525,108 +525,108 @@ static int decode_frame(AVCodecContext *avctx,
// Process the actual scan line blocks
for (y = ymin; y <= ymax; y += scan_lines_per_block) {
uint16_t *ptr_x;
const uint8_t *red_channel_buffer, *green_channel_buffer, *blue_channel_buffer, *alpha_channel_buffer = 0;
const uint64_t line_offset = bytestream_get_le64(&buf);
int32_t data_size, line;
const uint8_t *red_channel_buffer, *green_channel_buffer, *blue_channel_buffer, *alpha_channel_buffer = 0;
const uint64_t line_offset = bytestream_get_le64(&buf);
int32_t data_size, line;
// Check if the buffer has the required bytes needed from the offset
if (line_offset > (uint64_t)buf_size - 8)
return AVERROR_INVALIDDATA;
// Check if the buffer has the required bytes needed from the offset
if (line_offset > (uint64_t)buf_size - 8)
return AVERROR_INVALIDDATA;
src = avpkt->data + line_offset + 8;
line = AV_RL32(src - 8);
if (line < ymin || line > ymax)
return AVERROR_INVALIDDATA;
src = avpkt->data + line_offset + 8;
line = AV_RL32(src - 8);
if (line < ymin || line > ymax)
return AVERROR_INVALIDDATA;
data_size = AV_RL32(src - 4);
if (data_size <= 0 || data_size > buf_size)
return AVERROR_INVALIDDATA;
data_size = AV_RL32(src - 4);
if (data_size <= 0 || data_size > buf_size)
return AVERROR_INVALIDDATA;
if ((s->compr == EXR_RAW && (data_size != uncompressed_size ||
line_offset > buf_size - uncompressed_size)) ||
(s->compr != EXR_RAW && line_offset > buf_size - data_size)) {
return AVERROR_INVALIDDATA;
if ((s->compr == EXR_RAW && (data_size != uncompressed_size ||
line_offset > buf_size - uncompressed_size)) ||
(s->compr != EXR_RAW && line_offset > buf_size - data_size)) {
return AVERROR_INVALIDDATA;
}
if (scan_lines_per_block > 1)
uncompressed_size = scan_line_size * FFMIN(scan_lines_per_block, ymax - y + 1);
if ((s->compr == EXR_ZIP1 || s->compr == EXR_ZIP16) && data_size < uncompressed_size) {
unsigned long dest_len = uncompressed_size;
if (uncompress(s->tmp, &dest_len, src, data_size) != Z_OK ||
dest_len != uncompressed_size) {
av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n");
return AVERROR(EINVAL);
}
} else if (s->compr == EXR_RLE && data_size < uncompressed_size) {
if (rle_uncompress(src, data_size, s->tmp, uncompressed_size)) {
av_log(avctx, AV_LOG_ERROR, "error during rle decompression\n");
return AVERROR(EINVAL);
}
}
if (s->compr != EXR_RAW && data_size < uncompressed_size) {
predictor(s->tmp, uncompressed_size);
reorder_pixels(s->tmp, s->uncompressed_data, uncompressed_size);
red_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[0];
green_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[1];
blue_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[2];
if (s->channel_offsets[3] >= 0)
alpha_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[3];
} else {
red_channel_buffer = src + xdelta * s->channel_offsets[0];
green_channel_buffer = src + xdelta * s->channel_offsets[1];
blue_channel_buffer = src + xdelta * s->channel_offsets[2];
if (s->channel_offsets[3] >= 0)
alpha_channel_buffer = src + xdelta * s->channel_offsets[3];
}
ptr = p->data[0] + line * stride;
for (i = 0; i < scan_lines_per_block && y + i <= ymax; i++, ptr += stride) {
const uint8_t *r, *g, *b, *a;
r = red_channel_buffer;
g = green_channel_buffer;
b = blue_channel_buffer;
if (alpha_channel_buffer)
a = alpha_channel_buffer;
ptr_x = (uint16_t *)ptr;
// Zero out the start if xmin is not 0
memset(ptr_x, 0, bxmin);
ptr_x += xmin * desc->nb_components;
if (s->bits_per_color_id == 2) {
// 32-bit
for (x = 0; x < xdelta; x++) {
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&r));
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&g));
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&b));
if (alpha_channel_buffer)
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&a));
}
} else {
// 16-bit
for (x = 0; x < xdelta; x++) {
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&r));
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&g));
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&b));
if (alpha_channel_buffer)
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&a));
}
}
if (scan_lines_per_block > 1)
uncompressed_size = scan_line_size * FFMIN(scan_lines_per_block, ymax - y + 1);
if ((s->compr == EXR_ZIP1 || s->compr == EXR_ZIP16) && data_size < uncompressed_size) {
unsigned long dest_len = uncompressed_size;
// Zero out the end if xmax+1 is not w
memset(ptr_x, 0, axmax);
if (uncompress(s->tmp, &dest_len, src, data_size) != Z_OK ||
dest_len != uncompressed_size) {
av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n");
return AVERROR(EINVAL);
}
} else if (s->compr == EXR_RLE && data_size < uncompressed_size) {
if (rle_uncompress(src, data_size, s->tmp, uncompressed_size)) {
av_log(avctx, AV_LOG_ERROR, "error during rle decompression\n");
return AVERROR(EINVAL);
}
}
if (s->compr != EXR_RAW && data_size < uncompressed_size) {
predictor(s->tmp, uncompressed_size);
reorder_pixels(s->tmp, s->uncompressed_data, uncompressed_size);
red_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[0];
green_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[1];
blue_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[2];
if (s->channel_offsets[3] >= 0)
alpha_channel_buffer = s->uncompressed_data + xdelta * s->channel_offsets[3];
} else {
red_channel_buffer = src + xdelta * s->channel_offsets[0];
green_channel_buffer = src + xdelta * s->channel_offsets[1];
blue_channel_buffer = src + xdelta * s->channel_offsets[2];
if (s->channel_offsets[3] >= 0)
alpha_channel_buffer = src + xdelta * s->channel_offsets[3];
}
ptr = p->data[0] + line * stride;
for (i = 0; i < scan_lines_per_block && y + i <= ymax; i++, ptr += stride) {
const uint8_t *r, *g, *b, *a;
r = red_channel_buffer;
g = green_channel_buffer;
b = blue_channel_buffer;
if (alpha_channel_buffer)
a = alpha_channel_buffer;
ptr_x = (uint16_t *)ptr;
// Zero out the start if xmin is not 0
memset(ptr_x, 0, bxmin);
ptr_x += xmin * desc->nb_components;
if (s->bits_per_color_id == 2) {
// 32-bit
for (x = 0; x < xdelta; x++) {
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&r));
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&g));
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&b));
if (alpha_channel_buffer)
*ptr_x++ = exr_flt2uint(bytestream_get_le32(&a));
}
} else {
// 16-bit
for (x = 0; x < xdelta; x++) {
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&r));
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&g));
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&b));
if (alpha_channel_buffer)
*ptr_x++ = exr_halflt2uint(bytestream_get_le16(&a));
}
}
// Zero out the end if xmax+1 is not w
memset(ptr_x, 0, axmax);
red_channel_buffer += scan_line_size;
green_channel_buffer += scan_line_size;
blue_channel_buffer += scan_line_size;
if (alpha_channel_buffer)
alpha_channel_buffer += scan_line_size;
}
red_channel_buffer += scan_line_size;
green_channel_buffer += scan_line_size;
blue_channel_buffer += scan_line_size;
if (alpha_channel_buffer)
alpha_channel_buffer += scan_line_size;
}
}
// Zero out the end if ymax+1 is not h
for (y = ymax + 1; y < avctx->height; y++) {