Read subtitles from media files, fix bug in text_buffer

docs/USAGE.md

@@ -46,6 +46,7 @@ Scan options
     --fast                        Only index file names & mime type
     --treemap-threshold=<str>     Relative size threshold for treemap (see USAGE.md). DEFAULT: 0.0005
     --mem-buffer=<int>            Maximum memory buffer size per thread in MB for files inside archives (see USAGE.md). DEFAULT: 2000
+    --read-subtitles              Read subtitles from media files
 
 Index options
     -t, --threads=<int>           Number of threads. DEFAULT=1
@@ -91,7 +92,7 @@ Made by simon987 <me@simon987.net>. Released under GPL-3.0
     Specify an existing index. Information about files in this index that were not modified (based on *mtime* attribute)
     will be copied to the new index and will not be parsed again.
 * `-o, --output` Output directory. 
-* `--rewrite-url` Set the `rewrite_url` option for the web module (See [rewrite_url](#rewrite_url)) 
+* `--rewrite-url` Set the `rewrite_url` option for the web module (See [rewrite_url](#rewrite_url)) 
 * `--name` Set the `name` option for the web module
 * `--depth` Maximum scan dept. Set to 0 only scan files directly in the root directory, set to -1 for infinite depth
 * `--archive` Archive file mode.
@@ -123,6 +124,7 @@ Made by simon987 <me@simon987.net>. Released under GPL-3.0
     larger than this number will be read sequentially and no *seek* operations will be supported.
 
     To check if a media file can be parsed without *seek*, execute `cat file.mp4 | ffprobe -`
+* `--read-subtitles` When enabled, will attempt to read the subtitles stream from media files.
 
 ### Scan examples
 

src/cli.h

@@ -25,6 +25,7 @@ typedef struct scan_args {
     const char* treemap_threshold_str;
     double treemap_threshold;
     int max_memory_buffer;
+    int read_subtitles;
 } scan_args_t;
 
 scan_args_t *scan_args_create();

src/main.c

@@ -132,6 +132,7 @@ void initialize_scan_context(scan_args_t *args) {
     ScanCtx.media_ctx.logf = _logf;
     ScanCtx.media_ctx.store = _store;
     ScanCtx.media_ctx.max_media_buffer = (long) args->max_memory_buffer * 1024 * 1024;
+    ScanCtx.media_ctx.read_subtitles = args->read_subtitles;
     init_media();
 
     // OOXML
@@ -448,6 +449,7 @@ int main(int argc, const char *argv[]) {
             OPT_INTEGER(0, "mem-buffer", &scan_args->max_memory_buffer,
                         "Maximum memory buffer size per thread in MB for files inside archives "
                         "(see USAGE.md). DEFAULT: 2000"),
+            OPT_BOOLEAN(0, "read-subtitles", &scan_args->read_subtitles, "Read subtitles from media files."),
 
             OPT_GROUP("Index options"),
             OPT_INTEGER('t', "threads", &common_threads, "Number of threads. DEFAULT=1"),

third-party/argparse

@@ -1 +1 @@
-Subproject commit 3f4e3594a6891b942d5a711781d5425111aa13bf
+Subproject commit ffd9c23427d0cb105e27f27f0cf97b463b6a8bf8