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Fix #351

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This commit is contained in:
simon987
2023-04-15 13:06:13 -04:00
parent 9813646c11
commit 75b66b5982
4 changed files with 51 additions and 2 deletions
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39
third-party/libscan/libscan/mobi/scan_mobi.c vendored
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@@ -1,9 +1,44 @@
#include "scan_mobi.h"
#include "../../third-party/libmobi/src/mobi.h"
#include "../media/media.h"
#include <errno.h>
#include "stdlib.h"
int store_cover(scan_mobi_ctx_t *ctx, document_t *doc, MOBIData *m) {
MOBIExthHeader *exth = mobi_get_exthrecord_by_tag(m, EXTH_COVEROFFSET);
if (exth == NULL) {
return FALSE;
}
uint32_t offset = mobi_decode_exthvalue(exth->data, exth->size);
size_t first_resource = mobi_get_first_resource_record(m);
size_t uid = first_resource + offset;
MOBIPdbRecord *record = mobi_get_record_by_seqnumber(m, uid);
if (record == NULL || record->size < 4) {
return FALSE;
}
scan_media_ctx_t media_ctx = {
.tn_count = TRUE,
.tn_size = ctx->tn_size,
.tn_qscale = ctx->tn_qscale,
.tesseract_lang = NULL,
.tesseract_path = NULL,
.read_subtitles = FALSE,
.max_media_buffer = 0,
.log = ctx->log,
.logf = ctx->logf,
.store = ctx->store,
};
store_image_thumbnail(&media_ctx, record->data, record->size, doc, "img.jpg");
return TRUE;
}
void parse_mobi(scan_mobi_ctx_t *ctx, vfile_t *f, document_t *doc) {
MOBIData *m = mobi_init();
@@ -72,6 +107,10 @@ void parse_mobi(scan_mobi_ctx_t *ctx, vfile_t *f, document_t *doc) {
APPEND_STR_META(doc, MetaContent, tex.dyn_buffer.buf);
if (ctx->enable_tn) {
store_cover(ctx, doc, m);
}
free(content_str);
free(buf);
text_buffer_destroy(&tex);

5
third-party/libscan/libscan/mobi/scan_mobi.h vendored
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@@ -7,6 +7,11 @@ typedef struct {
long content_size;
log_callback_t log;
logf_callback_t logf;
store_callback_t store;
int tn_qscale;
int tn_size;
int enable_tn;
} scan_mobi_ctx_t;
void parse_mobi(scan_mobi_ctx_t *ctx, vfile_t *f, document_t *doc);