simon987/libscan
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Fix

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This commit is contained in:
simon987 2020-07-19 13:10:30 -04:00
parent a1ab2f7ceb
commit 73c58f1b8d
1 changed files with 23 additions and 7 deletions

30
libscan/ebook/ebook.c

@ -12,6 +12,20 @@
__thread text_buffer_t thread_buffer;
__thread scan_ebook_ctx_t thread_ctx;
pthread_mutex_t Mutex;
static void my_fz_lock(UNUSED(void *user), int lock) {
if (lock == FZ_LOCK_JPX) {
pthread_mutex_lock(&Mutex);
}
}
static void my_fz_unlock(UNUSED(void *user), int lock) {
if (lock == FZ_LOCK_JPX) {
pthread_mutex_unlock(&Mutex);
}
}
int render_cover(scan_ebook_ctx_t *ctx, fz_context *fzctx, document_t *doc, fz_document *fzdoc) {
@ -53,14 +67,12 @@ int render_cover(scan_ebook_ctx_t *ctx, fz_context *fzctx, document_t *doc, fz_d
fz_var(err);
fz_try(fzctx)
{
pthread_mutex_lock(&ctx->mupdf_mutex);
fz_run_page(fzctx, cover, dev, fz_identity, NULL);
}
fz_always(fzctx)
{
fz_close_device(fzctx, dev);
fz_drop_device(fzctx, dev);
pthread_mutex_unlock(&ctx->mupdf_mutex);
}
fz_catch(fzctx)
err = fzctx->error.errcode;
@ -148,10 +160,19 @@ static void init_fzctx(fz_context *fzctx, document_t *doc) {
fz_disable_icc(fzctx);
fz_register_document_handlers(fzctx);
static int mu_is_initialized = 0;
if (!mu_is_initialized) {
pthread_mutex_init(&Mutex, NULL);
mu_is_initialized = 1;
}
fzctx->warn.print_user = doc;
fzctx->warn.print = fz_warn_callback;
fzctx->error.print_user = doc;
fzctx->error.print = fz_err_callback;
fzctx->locks.lock = my_fz_lock;
fzctx->locks.unlock = my_fz_unlock;
}
static int read_stext_block(fz_stext_block *block, text_buffer_t *tex) {
@ -209,11 +230,6 @@ void fill_image(fz_context *fzctx, UNUSED(fz_device *dev),
void parse_ebook_mem(scan_ebook_ctx_t *ctx, void* buf, size_t buf_len, const char* mime_str, document_t *doc) {
static int mu_is_initialized = 0;
if (!mu_is_initialized) {
pthread_mutex_init(&ctx->mupdf_mutex, NULL);
mu_is_initialized = 1;
}
fz_context *fzctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
thread_ctx = *ctx;