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Merge commit 'ea7f79f93796d68559a495be824b6bbd94dfe5f6'

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* commit 'ea7f79f93796d68559a495be824b6bbd94dfe5f6':
  qt-faststart: Avoid unintentionally sign extending BE_32

See: 582f36ca3f
See: 69ce34c796
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2014-03-01 14:39:39 +01:00
parent 7fa3ec88da ea7f79f937
commit 06fe29c41d
1 changed files with 8 additions and 8 deletions
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16
tools/qt-faststart.c
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@@ -41,10 +41,10 @@
#define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
#define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \
(((uint8_t*)(x))[1] << 16) | \
(((uint8_t*)(x))[2] << 8) | \
((uint8_t*)(x))[3])
#define BE_32(x) (((uint32_t)(((uint8_t*)(x))[0]) << 24) | \
(((uint8_t*)(x))[1] << 16) | \
(((uint8_t*)(x))[2] << 8) | \
((uint8_t*)(x))[3])
#define BE_64(x) (((uint64_t)(((uint8_t*)(x))[0]) << 56) | \
((uint64_t)(((uint8_t*)(x))[1]) << 48) | \
@@ -124,7 +124,7 @@ int main(int argc, char *argv[])
if (fread(atom_bytes, ATOM_PREAMBLE_SIZE, 1, infile) != 1) {
break;
}
atom_size = (uint32_t) BE_32(&atom_bytes[0]);
atom_size = BE_32(&atom_bytes[0]);
atom_type = BE_32(&atom_bytes[4]);
/* keep ftyp atom */
@@ -234,7 +234,7 @@ int main(int argc, char *argv[])
atom_type = BE_32(&moov_atom[i]);
if (atom_type == STCO_ATOM) {
printf(" patching stco atom...\n");
atom_size = (uint32_t)BE_32(&moov_atom[i - 4]);
atom_size = BE_32(&moov_atom[i - 4]);
if (i + atom_size - 4 > moov_atom_size) {
printf(" bad atom size\n");
goto error_out;
@@ -245,7 +245,7 @@ int main(int argc, char *argv[])
goto error_out;
}
for (j = 0; j < offset_count; j++) {
current_offset = (uint32_t)BE_32(&moov_atom[i + 12 + j * 4]);
current_offset = BE_32(&moov_atom[i + 12 + j * 4]);
current_offset += moov_atom_size;
moov_atom[i + 12 + j * 4 + 0] = (current_offset >> 24) & 0xFF;
moov_atom[i + 12 + j * 4 + 1] = (current_offset >> 16) & 0xFF;
@@ -255,7 +255,7 @@ int main(int argc, char *argv[])
i += atom_size - 4;
} else if (atom_type == CO64_ATOM) {
printf(" patching co64 atom...\n");
atom_size = (uint32_t)BE_32(&moov_atom[i - 4]);
atom_size = BE_32(&moov_atom[i - 4]);
if (i + atom_size - 4 > moov_atom_size) {
printf(" bad atom size\n");
goto error_out;