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matroska: look for all known matroska file extensions

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For segment linking (this mechanism matches file extensions to avoid
opening files which are most likely not Matroska files in order to speed
up scanning).
This commit is contained in:
wm4 2014-10-06 22:33:21 +02:00
parent a9e6ba1b9a
commit ec7bc388d1
1 changed files with 18 additions and 5 deletions
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23
player/timeline/tl_matroska.c
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@ -21,6 +21,8 @@
#include <inttypes.h>
#include <assert.h>
#include <dirent.h>
#include <string.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
@ -59,7 +61,20 @@ static int cmp_entry(const void *pa, const void *pb)
return 0;
}
static char **find_files(const char *original_file, const char *suffix)
static bool test_matroska_ext(const char *filename)
{
static const char *const exts[] = {".mkv", ".mka", ".mks", ".mk3d", NULL};
for (int n = 0; exts[n]; n++) {
const char *suffix = exts[n];
int offset = strlen(filename) - strlen(suffix);
// name must end with suffix
if (offset > 0 && strcasecmp(filename + offset, suffix) == 0)
return true;
}
return false;
}
static char **find_files(const char *original_file)
{
void *tmpmem = talloc_new(NULL);
char *basename = mp_basename(original_file);
@ -75,9 +90,7 @@ static char **find_files(const char *original_file, const char *suffix)
struct dirent *ep;
int num_results = 0;
while ((ep = readdir(dp))) {
int suffix_offset = strlen(ep->d_name) - strlen(suffix);
// name must end with suffix
if (suffix_offset < 0 || strcmp(ep->d_name + suffix_offset, suffix))
if (!test_matroska_ext(ep->d_name))
continue;
// don't list the original name
if (!strcmp(ep->d_name, basename))
@ -269,7 +282,7 @@ static int find_ordered_chapter_sources(struct MPContext *mpctx,
} else {
MP_INFO(mpctx, "Will scan other files in the "
"same directory to find referenced sources.\n");
filenames = find_files(main_filename, ".mkv");
filenames = find_files(main_filename);
num_filenames = MP_TALLOC_ELEMS(filenames);
talloc_steal(tmp, filenames);
}