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Code Issues Releases Activity

tools/qt-faststart: Allow free atoms after moov atom.

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This commit is contained in:
Carl Eugen Hoyos
2018-07-12 01:24:39 +02:00
parent d36b8394f4
commit 1ffd63a445
1 changed files with 12 additions and 1 deletions
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13
tools/qt-faststart.c
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@@ -443,6 +443,8 @@ int main(int argc, char *argv[])
int64_t start_offset = 0;
unsigned char *copy_buffer = NULL;
int bytes_to_copy;
uint64_t free_size = 0;
uint64_t moov_size = 0;
if (argc != 3) {
printf("Usage: qt-faststart <infile.mov> <outfile.mov>\n"
@@ -535,6 +537,15 @@ int main(int argc, char *argv[])
* able to continue scanning sensibly after this atom, so break. */
if (atom_size < 8)
break;
if (atom_type == MOOV_ATOM)
moov_size = atom_size;
if (moov_size && atom_type == FREE_ATOM) {
free_size += atom_size;
atom_type = MOOV_ATOM;
atom_size = moov_size;
}
}
if (atom_type != MOOV_ATOM) {
@@ -551,7 +562,7 @@ int main(int argc, char *argv[])
/* moov atom was, in fact, the last atom in the chunk; load the whole
* moov atom */
if (fseeko(infile, -atom_size, SEEK_END)) {
if (fseeko(infile, -(atom_size + free_size), SEEK_END)) {
perror(argv[1]);
goto error_out;
}