FS-7656 fix various edge cases with video and non video files mixed into a source, fix a typo bug in file_read_video and fix same bug in mod_vlc, add a new flag to file_read_video to check if the handle is has active video, make mod_conference move the video in and out of a layer when the stream has video or not

src/include/switch_apr.h

@@ -916,6 +916,7 @@ SWITCH_DECLARE(switch_status_t) switch_dir_make_recursive(const char *path, swit
 SWITCH_DECLARE(switch_status_t) switch_dir_open(switch_dir_t ** new_dir, const char *dirname, switch_memory_pool_t *pool);
 SWITCH_DECLARE(switch_status_t) switch_dir_close(switch_dir_t *thedir);
 SWITCH_DECLARE(const char *) switch_dir_next_file(switch_dir_t *thedir, char *buf, switch_size_t len);
+SWITCH_DECLARE(uint32_t) switch_dir_count(switch_dir_t *thedir);
 
 /** @} */
 

src/include/switch_types.h

@@ -2558,7 +2558,8 @@ typedef struct switch_frame_buffer_s switch_frame_buffer_t;
 
 typedef enum {
 	SVR_BLOCK = (1 << 0),
-	SVR_FLUSH = (1 << 1)
+	SVR_FLUSH = (1 << 1),
+	SVR_CHECK = (1 << 2)
 } switch_video_read_flag_t;
 
 typedef enum {