Update ffmpeg to 7.1.1

submodules/ffmpeg/Sources/FFMpeg/ffmpeg-7.1.1/libavformat/iamf_parse.h

@@ -0,0 +1,37 @@
+/*
+ * Immersive Audio Model and Formats parsing
+ * Copyright (c) 2023 James Almer <jamrial@gmail.com>
+ *
+ * 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
+ */
+
+#ifndef AVFORMAT_IAMF_PARSE_H
+#define AVFORMAT_IAMF_PARSE_H
+
+#include <stdint.h>
+
+#include "avio.h"
+#include "iamf.h"
+
+int ff_iamf_parse_obu_header(const uint8_t *buf, int buf_size,
+                             unsigned *obu_size, int *start_pos, enum IAMF_OBU_Type *type,
+                             unsigned *skip_samples, unsigned *discard_padding);
+
+int ff_iamfdec_read_descriptors(IAMFContext *c, AVIOContext *pb,
+                                int size, void *log_ctx);
+
+#endif /* AVFORMAT_IAMF_PARSE_H */