From 853843d86f550ca73807263a71b613530fb60f45 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 6 Feb 2026 13:39:39 +0100
Subject: [PATCH] avcodec/opus/parse: Move frame_duration tab into a file of
 its own

This is in preparation for duplicating it into libavformat.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/opus/Makefile             |  2 ++
 libavcodec/opus/frame_duration_tab.c | 31 ++++++++++++++++++++++++++++
 libavcodec/opus/parse.c              | 15 ++------------
 libavcodec/opus/tab.h                |  2 ++
 4 files changed, 37 insertions(+), 13 deletions(-)
 create mode 100644 libavcodec/opus/frame_duration_tab.c

diff --git a/libavcodec/opus/Makefile b/libavcodec/opus/Makefile
index 5a1aef0fd9..c23e684153 100644
--- a/libavcodec/opus/Makefile
+++ b/libavcodec/opus/Makefile
@@ -8,6 +8,7 @@ OBJS-$(CONFIG_OPUS_DECODER) +=  \
     opus/dec.o                  \
     opus/dec_celt.o             \
     opus/celt.o                 \
+    opus/frame_duration_tab.o   \
     opus/pvq.o                  \
     opus/silk.o                 \
     opus/tab.o                  \
@@ -16,6 +17,7 @@ OBJS-$(CONFIG_OPUS_DECODER) +=  \
 
 
 OBJS-$(CONFIG_OPUS_PARSER) +=   \
+    opus/frame_duration_tab.o   \
     opus/parser.o               \
 
 
diff --git a/libavcodec/opus/frame_duration_tab.c b/libavcodec/opus/frame_duration_tab.c
new file mode 100644
index 0000000000..3e408d9788
--- /dev/null
+++ b/libavcodec/opus/frame_duration_tab.c
@@ -0,0 +1,31 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "tab.h"
+
+const uint16_t ff_opus_frame_duration[32] = {
+    480, 960, 1920, 2880,
+    480, 960, 1920, 2880,
+    480, 960, 1920, 2880,
+    480, 960,
+    480, 960,
+    120, 240,  480,  960,
+    120, 240,  480,  960,
+    120, 240,  480,  960,
+    120, 240,  480,  960,
+};
diff --git a/libavcodec/opus/parse.c b/libavcodec/opus/parse.c
index 1949449b77..a927996e40 100644
--- a/libavcodec/opus/parse.c
+++ b/libavcodec/opus/parse.c
@@ -36,21 +36,10 @@
 #include "mathops.h"
 #include "opus.h"
 #include "parse.h"
+#include "tab.h"
 #include "vorbis_data.h"
 
 #if CONFIG_OPUSPARSE
-static const uint16_t opus_frame_duration[32] = {
-    480, 960, 1920, 2880,
-    480, 960, 1920, 2880,
-    480, 960, 1920, 2880,
-    480, 960,
-    480, 960,
-    120, 240,  480,  960,
-    120, 240,  480,  960,
-    120, 240,  480,  960,
-    120, 240,  480,  960,
-};
-
 /**
  * Read a 1- or 2-byte frame length
  */
@@ -258,7 +247,7 @@ int ff_opus_parse_packet(OpusPacket *pkt, const uint8_t *buf, int buf_size,
     pkt->data_size   = pkt->packet_size - padding;
 
     /* total packet duration cannot be larger than 120ms */
-    pkt->frame_duration = opus_frame_duration[pkt->config];
+    pkt->frame_duration = ff_opus_frame_duration[pkt->config];
     if (pkt->frame_duration * pkt->frame_count > OPUS_MAX_PACKET_DUR)
         goto fail;
 
diff --git a/libavcodec/opus/tab.h b/libavcodec/opus/tab.h
index ac140d5868..3903624278 100644
--- a/libavcodec/opus/tab.h
+++ b/libavcodec/opus/tab.h
@@ -28,6 +28,8 @@
 #include "libavutil/attributes_internal.h"
 
 FF_VISIBILITY_PUSH_HIDDEN
+extern const uint16_t ff_opus_frame_duration[32];
+
 extern const uint8_t  ff_celt_band_end[];
 
 extern const uint8_t  ff_opus_default_coupled_streams[];