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Support for rewind buffer

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simon987 2021-09-11 20:46:40 -04:00
parent 34b363bfd8
commit 17fda1e540
4 changed files with 14 additions and 9 deletions
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4
src/io/walk.c
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@ -24,11 +24,15 @@ parse_job_t *create_fs_parse_job(const char *filepath, const struct stat *info,
job->vfile.filepath = job->filepath;
job->vfile.read = fs_read;
// Filesystem reads are always rewindable
job->vfile.read_rewindable = fs_read;
job->vfile.reset = fs_reset;
job->vfile.close = fs_close;
job->vfile.fd = -1;
job->vfile.is_fs_file = TRUE;
job->vfile.has_checksum = FALSE;
job->vfile.rewind_buffer_size = 0;
job->vfile.rewind_buffer = NULL;
job->vfile.calculate_checksum = ScanCtx.calculate_checksums;
return job;

2
src/main.c
View File

@ -576,7 +576,7 @@ int main(int argc, const char *argv[]) {
OPT_BOOLEAN(0, "read-subtitles", &scan_args->read_subtitles, "Read subtitles from media files."),
OPT_BOOLEAN(0, "fast-epub", &scan_args->fast_epub,
"Faster but less accurate EPUB parsing (no thumbnails, metadata)"),
OPT_BOOLEAN(0, "checksum", &scan_args->calculate_checksums, "Calculate file checksums when scanning."),
OPT_BOOLEAN(0, "checksums", &scan_args->calculate_checksums, "Calculate file checksums when scanning."),
OPT_GROUP("Index options"),
OPT_INTEGER('t', "threads", &common_threads, "Number of threads. DEFAULT=1"),

15
src/parsing/parse.c
View File

@ -27,7 +27,7 @@ int fs_read(struct vfile *f, void *buf, size_t size) {
if (ret != 0 && f->calculate_checksum) {
f->has_checksum = TRUE;
safe_sha1_update(&f->sha1_ctx, (unsigned char*)buf, ret);
safe_sha1_update(&f->sha1_ctx, (unsigned char *) buf, ret);
}
return ret;
@ -102,18 +102,17 @@ void parse(void *arg) {
doc->mime = mime_get_mime_by_ext(ScanCtx.ext_table, job->filepath + job->ext);
}
int bytes_read = 0;
if (doc->mime == 0 && !ScanCtx.fast) {
// Get mime type with libmagic
if (!job->vfile.is_fs_file) {
if (job->vfile.read_rewindable == NULL) {
LOG_WARNING(job->filepath,
"Guessing mime type with libmagic inside archive files is not currently supported");
"File does not support rewindable reads, cannot guess Media type");
goto abort;
}
bytes_read = job->vfile.read(&job->vfile, buf, MAGIC_BUF_SIZE);
int bytes_read = job->vfile.read_rewindable(&job->vfile, buf, MAGIC_BUF_SIZE);
if (bytes_read < 0) {
if (job->vfile.is_fs_file) {
@ -144,7 +143,9 @@ void parse(void *arg) {
}
}
job->vfile.reset(&job->vfile);
if (job->vfile.reset != NULL) {
job->vfile.reset(&job->vfile);
}
magic_close(magic);
}
@ -158,7 +159,7 @@ void parse(void *arg) {
} else if ((mmime == MimeVideo && doc->size >= MIN_VIDEO_SIZE) ||
(mmime == MimeImage && doc->size >= MIN_IMAGE_SIZE) || mmime == MimeAudio) {
parse_media(&ScanCtx.media_ctx, &job->vfile, doc);
parse_media(&ScanCtx.media_ctx, &job->vfile, doc, mime_get_mime_text(doc->mime));
} else if (IS_PDF(doc->mime)) {
parse_ebook(&ScanCtx.ebook_ctx, &job->vfile, mime_get_mime_text(doc->mime), doc);

2
third-party/libscan vendored

@ -1 +1 @@
Subproject commit 52d7649322cd8db370774b70cda0448e7e20b0b6
Subproject commit da172823745b67662846cf1970a47ebcea8fe50e