274 lines
7.9 KiB
C
274 lines
7.9 KiB
C
/*
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* MOV, 3GP, MP4 muxer
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* Copyright (c) 2003 Thomas Raivio
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* Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
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* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_MOVENC_H
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#define AVFORMAT_MOVENC_H
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#include "avformat.h"
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#include "movenccenc.h"
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#define MOV_FRAG_INFO_ALLOC_INCREMENT 64
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#define MOV_INDEX_CLUSTER_SIZE 1024
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#define MOV_TIMESCALE 1000
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#define RTP_MAX_PACKET_SIZE 1450
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#define MODE_MP4 0x01
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#define MODE_MOV 0x02
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#define MODE_3GP 0x04
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#define MODE_PSP 0x08 // example working PSP command line:
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// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
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#define MODE_3G2 0x10
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#define MODE_IPOD 0x20
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#define MODE_ISM 0x40
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#define MODE_F4V 0x80
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typedef struct MOVIentry {
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uint64_t pos;
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int64_t dts;
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int64_t pts;
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unsigned int size;
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unsigned int samples_in_chunk;
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unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0
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unsigned int entries;
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int cts;
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#define MOV_SYNC_SAMPLE 0x0001
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#define MOV_PARTIAL_SYNC_SAMPLE 0x0002
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#define MOV_DISPOSABLE_SAMPLE 0x0004
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uint32_t flags;
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AVProducerReferenceTime prft;
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} MOVIentry;
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typedef struct HintSample {
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uint8_t *data;
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int size;
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int sample_number;
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int offset;
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int own_data;
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} HintSample;
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typedef struct HintSampleQueue {
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int size;
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int len;
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HintSample *samples;
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} HintSampleQueue;
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typedef struct MOVFragmentInfo {
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int64_t offset;
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int64_t time;
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int64_t duration;
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int64_t tfrf_offset;
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int size;
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} MOVFragmentInfo;
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typedef struct MOVTrack {
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int mode;
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int entry;
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unsigned timescale;
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uint64_t time;
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int64_t track_duration;
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int last_sample_is_subtitle_end;
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long sample_count;
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long sample_size;
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long chunkCount;
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int has_keyframes;
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int has_disposable;
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#define MOV_TRACK_CTTS 0x0001
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#define MOV_TRACK_STPS 0x0002
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#define MOV_TRACK_ENABLED 0x0004
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uint32_t flags;
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#define MOV_TIMECODE_FLAG_DROPFRAME 0x0001
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#define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002
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#define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004
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uint32_t timecode_flags;
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int language;
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int track_id;
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int tag; ///< stsd fourcc
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AVStream *st;
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AVCodecParameters *par;
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int multichannel_as_mono;
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int vos_len;
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uint8_t *vos_data;
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MOVIentry *cluster;
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unsigned cluster_capacity;
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int audio_vbr;
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int height; ///< active picture (w/o VBI) height for D-10/IMX
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uint32_t tref_tag;
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int tref_id; ///< trackID of the referenced track
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int64_t start_dts;
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int64_t start_cts;
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int64_t end_pts;
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int end_reliable;
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int64_t dts_shift;
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int hint_track; ///< the track that hints this track, -1 if no hint track is set
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int src_track; ///< the track that this hint (or tmcd) track describes
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AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
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uint32_t prev_rtp_ts;
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int64_t cur_rtp_ts_unwrapped;
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uint32_t max_packet_size;
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int64_t default_duration;
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uint32_t default_sample_flags;
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uint32_t default_size;
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HintSampleQueue sample_queue;
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AVPacket cover_image;
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AVIOContext *mdat_buf;
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int64_t data_offset;
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int64_t frag_start;
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int frag_discont;
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int entries_flushed;
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int nb_frag_info;
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MOVFragmentInfo *frag_info;
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unsigned frag_info_capacity;
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struct {
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int first_packet_seq;
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int first_packet_entry;
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int first_packet_seen;
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int first_frag_written;
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int packet_seq;
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int packet_entry;
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int slices;
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} vc1_info;
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void *eac3_priv;
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MOVMuxCencContext cenc;
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uint32_t palette[AVPALETTE_COUNT];
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int pal_done;
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int is_unaligned_qt_rgb;
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} MOVTrack;
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typedef enum {
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MOV_ENC_NONE = 0,
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MOV_ENC_CENC_AES_CTR,
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} MOVEncryptionScheme;
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typedef enum {
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MOV_PRFT_NONE = 0,
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MOV_PRFT_SRC_WALLCLOCK,
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MOV_PRFT_SRC_PTS,
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MOV_PRFT_NB
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} MOVPrftBox;
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typedef struct MOVMuxContext {
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const AVClass *av_class;
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int mode;
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int64_t time;
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int nb_streams;
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int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy)
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int chapter_track; ///< qt chapter track number
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int64_t mdat_pos;
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uint64_t mdat_size;
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MOVTrack *tracks;
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int flags;
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int rtp_flags;
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int iods_skip;
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int iods_video_profile;
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int iods_audio_profile;
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int moov_written;
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int fragments;
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int max_fragment_duration;
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int min_fragment_duration;
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int max_fragment_size;
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int ism_lookahead;
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AVIOContext *mdat_buf;
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int first_trun;
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int video_track_timescale;
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int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise
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int64_t reserved_header_pos;
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char *major_brand;
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int per_stream_grouping;
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AVFormatContext *fc;
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int use_editlist;
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float gamma;
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int frag_interleave;
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int missing_duration_warned;
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char *encryption_scheme_str;
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MOVEncryptionScheme encryption_scheme;
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uint8_t *encryption_key;
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int encryption_key_len;
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uint8_t *encryption_kid;
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int encryption_kid_len;
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int need_rewrite_extradata;
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int use_stream_ids_as_track_ids;
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int track_ids_ok;
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int write_tmcd;
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MOVPrftBox write_prft;
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int empty_hdlr_name;
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} MOVMuxContext;
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#define FF_MOV_FLAG_RTP_HINT (1 << 0)
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#define FF_MOV_FLAG_FRAGMENT (1 << 1)
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#define FF_MOV_FLAG_EMPTY_MOOV (1 << 2)
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#define FF_MOV_FLAG_FRAG_KEYFRAME (1 << 3)
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#define FF_MOV_FLAG_SEPARATE_MOOF (1 << 4)
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#define FF_MOV_FLAG_FRAG_CUSTOM (1 << 5)
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#define FF_MOV_FLAG_ISML (1 << 6)
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#define FF_MOV_FLAG_FASTSTART (1 << 7)
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#define FF_MOV_FLAG_OMIT_TFHD_OFFSET (1 << 8)
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#define FF_MOV_FLAG_DISABLE_CHPL (1 << 9)
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#define FF_MOV_FLAG_DEFAULT_BASE_MOOF (1 << 10)
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#define FF_MOV_FLAG_DASH (1 << 11)
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#define FF_MOV_FLAG_FRAG_DISCONT (1 << 12)
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#define FF_MOV_FLAG_DELAY_MOOV (1 << 13)
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#define FF_MOV_FLAG_GLOBAL_SIDX (1 << 14)
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#define FF_MOV_FLAG_WRITE_COLR (1 << 15)
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#define FF_MOV_FLAG_WRITE_GAMA (1 << 16)
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#define FF_MOV_FLAG_USE_MDTA (1 << 17)
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#define FF_MOV_FLAG_SKIP_TRAILER (1 << 18)
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#define FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS (1 << 19)
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#define FF_MOV_FLAG_FRAG_EVERY_FRAME (1 << 20)
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#define FF_MOV_FLAG_SKIP_SIDX (1 << 21)
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#define FF_MOV_FLAG_CMAF (1 << 22)
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#define FF_MOV_FLAG_PREFER_ICC (1 << 23)
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int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);
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int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
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int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt,
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int track_index, int sample,
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uint8_t *sample_data, int sample_size);
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void ff_mov_close_hinting(MOVTrack *track);
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#endif /* AVFORMAT_MOVENC_H */
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