From 54e76b7c74c42ed092ba5aa727e839e3d1dc403c Mon Sep 17 00:00:00 2001
From: Roman Korostik <rkorostik@nvidia.com>
Date: Thu, 28 Nov 2024 03:37:41 +0400
Subject: [PATCH 1/4] LibsndfileBackend: Exclude mp4/m4a/m4b files from set of
 files it is applicable to

---
 lhotse/audio/backend.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lhotse/audio/backend.py b/lhotse/audio/backend.py
index 278f2b00b..95ed1616c 100644
--- a/lhotse/audio/backend.py
+++ b/lhotse/audio/backend.py
@@ -516,6 +516,10 @@ def handles_special_case(self, path_or_fd: Union[Pathlike, FileObject]) -> bool:
         return False
 
     def is_applicable(self, path_or_fd: Union[Pathlike, FileObject]) -> bool:
+        if isinstance(path_or_fd, (Path, str)) and any(
+            str(path_or_fd).endswith(ext) for ext in [".mp4", ".m4a", ".m4b"]
+        ):
+            return False
         return True
 
     def supports_save(self) -> bool:

From f66d61f4bc0ad34e135805c8949ef50554c3e98e Mon Sep 17 00:00:00 2001
From: Roman Korostik <rkorostik@nvidia.com>
Date: Thu, 28 Nov 2024 19:25:23 +0400
Subject: [PATCH 2/4] AudioreadBackend: supports_info=True

---
 lhotse/audio/backend.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lhotse/audio/backend.py b/lhotse/audio/backend.py
index 95ed1616c..449bcbed0 100644
--- a/lhotse/audio/backend.py
+++ b/lhotse/audio/backend.py
@@ -574,6 +574,9 @@ def read_audio(
             offset=offset,
             duration=duration,
         )
+        
+    def supports_info(self):
+        return True
 
     def info(
         self,

From 55041fe4c4bbfe7bd95d0dd20b0e8be11df2862a Mon Sep 17 00:00:00 2001
From: Roman Korostik <rkorostik@nvidia.com>
Date: Mon, 2 Dec 2024 18:33:30 +0400
Subject: [PATCH 3/4] shar export: fix exception printing

---
 lhotse/cut/set.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lhotse/cut/set.py b/lhotse/cut/set.py
index 5a62ba21c..a878ada21 100644
--- a/lhotse/cut/set.py
+++ b/lhotse/cut/set.py
@@ -3570,7 +3570,7 @@ def _export_to_shar_single(
             except Exception as e:
                 if fault_tolerant:
                     logging.warning(
-                        "Skipping: failed to load cut '{cut.id}'. Error message: {e}."
+                        f"Skipping: failed to load cut '{cut.id}'. Error message: {e}."
                     )
                 else:
                     raise

From b2dd719d57c32824cd727e141a3e61adf06fdfb8 Mon Sep 17 00:00:00 2001
From: Roman Korostik <rkorostik@nvidia.com>
Date: Thu, 5 Dec 2024 17:51:40 +0400
Subject: [PATCH 4/4] AudioreadBackend: black formatting

---
 lhotse/audio/backend.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lhotse/audio/backend.py b/lhotse/audio/backend.py
index 449bcbed0..cd6532e70 100644
--- a/lhotse/audio/backend.py
+++ b/lhotse/audio/backend.py
@@ -574,7 +574,7 @@ def read_audio(
             offset=offset,
             duration=duration,
         )
-        
+
     def supports_info(self):
         return True