text: /*
   * MOV, 3GP, MP4 muxer
   * Copyright (c) 2003 Thomas Raivio
   * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
   * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot 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_MOVENC_H
  #define AVFORMAT_MOVENC_H
  
  #include "avformat.h"
  #include "movenccenc.h"
  
  #define MOV_FRAG_INFO_ALLOC_INCREMENT 64
  #define MOV_INDEX_CLUSTER_SIZE 1024
  #define MOV_TIMESCALE 1000
  
  #define RTP_MAX_PACKET_SIZE 1450
  
  #define MODE_MP4  0x01
  #define MODE_MOV  0x02
  #define MODE_3GP  0x04
  #define MODE_PSP  0x08 // example working PSP command line:
  // ffmpeg -i testinput.avi  -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
  #define MODE_3G2  0x10
  #define MODE_IPOD 0x20
  #define MODE_ISM  0x40
  #define MODE_F4V  0x80
  
  typedef struct MOVIentry {
      uint64_t     pos;
      int64_t      dts;
      int64_t      pts;
      unsigned int size;
      unsigned int samples_in_chunk;
      unsigned int chunkNum;              ///< Chunk number if the current entry is a chunk start otherwise 0
      unsigned int entries;
      int          cts;
  #define MOV_SYNC_SAMPLE         0x0001
  #define MOV_PARTIAL_SYNC_SAMPLE 0x0002
  #define MOV_DISPOSABLE_SAMPLE   0x0004
      uint32_t     flags;
      AVProducerReferenceTime prft;
  } MOVIentry;
  
  typedef struct HintSample {
      uint8_t *data;
      int size;
      int sample_number;
      int offset;
      int own_data;
  } HintSample;
  
  typedef struct HintSampleQueue {
      int size;
      int len;
      HintSample *samples;
  } HintSampleQueue;
  
  typedef struct MOVFragmentInfo {
      int64_t offset;
      int64_t time;
      int64_t duration;
      int64_t tfrf_offset;
      int size;
  } MOVFragmentInfo;
  
  typedef struct MOVTrack {
      int         mode;
      int         entry;
      unsigned    timescale;
      uint64_t    time;
      int64_t     track_duration;
      int         last_sample_is_subtitle_end;
      long        sample_count;
      long        sample_size;
      long        chunkCount;
      int         has_keyframes;
      int         has_disposable;
  #define MOV_TRACK_CTTS         0x0001
  #define MOV_TRACK_STPS         0x0002
  #define MOV_TRACK_ENABLED      0x0004
      uint32_t    flags;
  #define MOV_TIMECODE_FLAG_DROPFRAME     0x0001
  #define MOV_TIMECODE_FLAG_24HOURSMAX    0x0002
  #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004
      uint32_t    timecode_flags;
      int         language;
      int         track_id;
      int         tag; ///< stsd fourcc
      AVStream        *st;
      AVCodecParameters *par;
      int multichannel_as_mono;
  
      int         vos_len;
      uint8_t     *vos_data;
      MOVIentry   *cluster;
      unsigned    cluster_capacity;
      int         audio_vbr;
      int         height; ///< active picture (w/o VBI) height for D-10/IMX
      uint32_t    tref_tag;
      int         tref_id; ///< trackID of the referenced track
      int64_t     start_dts;
      int64_t     start_cts;
      int64_t     end_pts;
      int         end_reliable;
      int64_t     dts_shift;
  
      int         hint_track;   ///< the track that hints this track, -1 if no hint track is set
      int         src_track;    ///< the track that this hint (or tmcd) track describes
      AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
      uint32_t    prev_rtp_ts;
      int64_t     cur_rtp_ts_unwrapped;
      uint32_t    max_packet_size;
  
      int64_t     default_duration;
      uint32_t    default_sample_flags;
      uint32_t    default_size;
  
      HintSampleQueue sample_queue;
      AVPacket *cover_image;
  
      AVIOContext *mdat_buf;
      int64_t     data_offset;
      int64_t     frag_start;
      int         frag_discont;
      int         entries_flushed;
  
      int         nb_frag_info;
      MOVFragmentInfo *frag_info;
      unsigned    frag_info_capacity;
  
      struct {
          int     first_packet_seq;
          int     first_packet_entry;
          int     first_packet_seen;
          int     first_frag_written;
          int     packet_seq;
          int     packet_entry;
          int     slices;
      } vc1_info;
  
      void       *eac3_priv;
  
      MOVMuxCencContext cenc;
  
      uint32_t palette[AVPALETTE_COUNT];
      int pal_done;
  
      int is_unaligned_qt_rgb;
  } MOVTrack;
  
  typedef enum {
      MOV_ENC_NONE = 0,
      MOV_ENC_CENC_AES_CTR,
  } MOVEncryptionScheme;
  
  typedef enum {
      MOV_PRFT_NONE = 0,
      MOV_PRFT_SRC_WALLCLOCK,
      MOV_PRFT_SRC_PTS,
      MOV_PRFT_NB
  } MOVPrftBox;
  
  typedef struct MOVMuxContext {
      const AVClass *av_class;
      int     mode;
      int64_t time;
      int     nb_streams;
      int     nb_meta_tmcd;  ///< number of new created tmcd track based on metadata (aka not data copy)
      int     chapter_track; ///< qt chapter track number
      int64_t mdat_pos;
      uint64_t mdat_size;
      MOVTrack *tracks;
  
      int flags;
      int rtp_flags;
  
      int iods_skip;
      int iods_video_profile;
      int iods_audio_profile;
  
      int moov_written;
      int fragments;
      int max_fragment_duration;
      int min_fragment_duration;
      int max_fragment_size;
      int ism_lookahead;
      AVIOContext *mdat_buf;
      int first_trun;
  
      int video_track_timescale;
  
      int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise
      int64_t reserved_header_pos;
  
      char *major_brand;
  
      int per_stream_grouping;
      AVFormatContext *fc;
  
      AVPacket *pkt;
  
      int use_editlist;
      float gamma;
  
      int frag_interleave;
      int missing_duration_warned;
  
      char *encryption_scheme_str;
      MOVEncryptionScheme encryption_scheme;
      uint8_t *encryption_key;
      int encryption_key_len;
      uint8_t *encryption_kid;
      int encryption_kid_len;
  
      int need_rewrite_extradata;
  
      int use_stream_ids_as_track_ids;
      int track_ids_ok;
      int write_tmcd;
      MOVPrftBox write_prft;
      int empty_hdlr_name;
  } MOVMuxContext;
  
  #define FF_MOV_FLAG_RTP_HINT              (1 <<  0)
  #define FF_MOV_FLAG_FRAGMENT              (1 <<  1)
  #define FF_MOV_FLAG_EMPTY_MOOV            (1 <<  2)
  #define FF_MOV_FLAG_FRAG_KEYFRAME         (1 <<  3)
  #define FF_MOV_FLAG_SEPARATE_MOOF         (1 <<  4)
  #define FF_MOV_FLAG_FRAG_CUSTOM           (1 <<  5)
  #define FF_MOV_FLAG_ISML                  (1 <<  6)
  #define FF_MOV_FLAG_FASTSTART             (1 <<  7)
  #define FF_MOV_FLAG_OMIT_TFHD_OFFSET      (1 <<  8)
  #define FF_MOV_FLAG_DISABLE_CHPL          (1 <<  9)
  #define FF_MOV_FLAG_DEFAULT_BASE_MOOF     (1 << 10)
  #define FF_MOV_FLAG_DASH                  (1 << 11)
  #define FF_MOV_FLAG_FRAG_DISCONT          (1 << 12)
  #define FF_MOV_FLAG_DELAY_MOOV            (1 << 13)
  #define FF_MOV_FLAG_GLOBAL_SIDX           (1 << 14)
  #define FF_MOV_FLAG_WRITE_COLR            (1 << 15)
  #define FF_MOV_FLAG_WRITE_GAMA            (1 << 16)
  #define FF_MOV_FLAG_USE_MDTA              (1 << 17)
  #define FF_MOV_FLAG_SKIP_TRAILER          (1 << 18)
  #define FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS  (1 << 19)
  #define FF_MOV_FLAG_FRAG_EVERY_FRAME      (1 << 20)
  #define FF_MOV_FLAG_SKIP_SIDX             (1 << 21)
  #define FF_MOV_FLAG_CMAF                  (1 << 22)
  #define FF_MOV_FLAG_PREFER_ICC            (1 << 23)
  
  int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);
  
  int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
  int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt,
                               int track_index, int sample,
                               uint8_t *sample_data, int sample_size);
  void ff_mov_close_hinting(MOVTrack *track);
  
  #endif /* AVFORMAT_MOVENC_H */
  