From f4036a679de1f4200a7efdcbb78c3c98ff494cec Mon Sep 17 00:00:00 2001
From: Invinsible-Coder <192500415+Invinsible-Coder@users.noreply.github.com>
Date: Sat, 13 Jun 2026 01:23:15 +0400
Subject: [PATCH 1/2] Fix output filename handling in encoder context

---
 src/lib_ccx/ccx_encoders_common.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/lib_ccx/ccx_encoders_common.c b/src/lib_ccx/ccx_encoders_common.c
index 749d2e75f..426c76e1c 100644
--- a/src/lib_ccx/ccx_encoders_common.c
+++ b/src/lib_ccx/ccx_encoders_common.c
@@ -1361,19 +1361,38 @@ void switch_output_file(struct lib_ccx_ctx *ctx, struct encoder_ctx *enc_ctx, in
 	if (enc_ctx->out->filename != NULL)
 	{ // Close and release the previous handle
 		free(enc_ctx->out->filename);
+		enc_ctx->out->filename = NULL;
 		close(enc_ctx->out->fh);
+		enc_ctx->out->fh = -1;
 	}
+	
 	const char *ext = get_file_extension(ctx->write_format);
 	char suffix[32];
 	snprintf(suffix, sizeof(suffix), "_%d", track_id);
 	char *basename = get_basename(enc_ctx->out->original_filename);
-	if (basename != NULL)
+	if (basename == NULL)
+	{
+		return;
+	}
+	
+	enc_ctx->out->filename = create_outfilename(basename, suffix, ext);
+	if (enc_ctx->out->filename == NULL)
 	{
-		enc_ctx->out->filename = create_outfilename(basename, suffix, ext);
-		enc_ctx->out->fh = open(enc_ctx->out->filename, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, S_IREAD | S_IWRITE);
 		free(basename);
+		return;
 	}
+	
+	enc_ctx->out->fh = open(enc_ctx->out->filename, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, S_IREAD | S_IWRITE);
+	free(basename);
 
+	if (enc_ctx->out->fh < 0)
+	{
+		// Clean up if the file descriptor failed to open
+		free(enc_ctx->out->filename);
+		enc_ctx->out->filename = NULL;
+		return;
+	}
+	
 	write_subtitle_file_header(enc_ctx, enc_ctx->out);
 
 	// Reset counters as we switch output file.

From d20eb82d9b4975b1ab090c9c3917391198039e2e Mon Sep 17 00:00:00 2001
From: Invinsible-Coder <192500415+Invinsible-Coder@users.noreply.github.com>
Date: Sat, 13 Jun 2026 01:43:13 +0400
Subject: [PATCH 2/2] Remove unnecessary blank lines in ccx_encoders_common.c

---
 src/lib_ccx/ccx_encoders_common.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/lib_ccx/ccx_encoders_common.c b/src/lib_ccx/ccx_encoders_common.c
index 426c76e1c..60d5b2513 100644
--- a/src/lib_ccx/ccx_encoders_common.c
+++ b/src/lib_ccx/ccx_encoders_common.c
@@ -1365,7 +1365,7 @@ void switch_output_file(struct lib_ccx_ctx *ctx, struct encoder_ctx *enc_ctx, in
 		close(enc_ctx->out->fh);
 		enc_ctx->out->fh = -1;
 	}
-	
+
 	const char *ext = get_file_extension(ctx->write_format);
 	char suffix[32];
 	snprintf(suffix, sizeof(suffix), "_%d", track_id);
@@ -1374,14 +1374,14 @@ void switch_output_file(struct lib_ccx_ctx *ctx, struct encoder_ctx *enc_ctx, in
 	{
 		return;
 	}
-	
+
 	enc_ctx->out->filename = create_outfilename(basename, suffix, ext);
 	if (enc_ctx->out->filename == NULL)
 	{
 		free(basename);
 		return;
 	}
-	
+
 	enc_ctx->out->fh = open(enc_ctx->out->filename, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, S_IREAD | S_IWRITE);
 	free(basename);
 
@@ -1392,7 +1392,7 @@ void switch_output_file(struct lib_ccx_ctx *ctx, struct encoder_ctx *enc_ctx, in
 		enc_ctx->out->filename = NULL;
 		return;
 	}
-	
+
 	write_subtitle_file_header(enc_ctx, enc_ctx->out);
 
 	// Reset counters as we switch output file.