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| static void | gf_media_update_bitrate_ex (GF_ISOFile *file, u32 track, Bool use_esd) | 
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| GF_EXPORT void | gf_media_update_bitrate (GF_ISOFile *file, u32 track) | 
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| void | gf_media_get_video_timing (Double fps, u32 *timescale, u32 *dts_inc) | 
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| GF_EXPORT u32 | gf_dolby_vision_level (u32 width, u32 height, u64 fps_num, u64 fps_den, u32 codecid) | 
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| GF_Err | gf_import_message (GF_MediaImporter *import, GF_Err e, char *format,...) | 
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| static GF_Err | gf_import_afx_sc3dmc (GF_MediaImporter *import, Bool mult_desc_allowed) | 
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| static GF_Err | gf_import_isomedia_track (GF_MediaImporter *import) | 
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| static GF_Err | gf_import_isomedia (GF_MediaImporter *import) | 
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| GF_EXPORT GF_Err | gf_media_nal_rewrite_samples (GF_ISOFile *file, u32 track, u32 new_size) | 
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| GF_EXPORT GF_Err | gf_media_import_chapters_file (GF_MediaImporter *import) | 
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| GF_EXPORT GF_Err | gf_media_import_chapters (GF_ISOFile *file, char *chap_file, GF_Fraction import_fps, Bool use_qt) | 
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| static Bool | on_import_setup_failure (GF_Filter *f, void *on_setup_error_udta, GF_Err e) | 
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| GF_EXPORT GF_Err | gf_media_import (GF_MediaImporter *importer) | 
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