/*
  * 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"
 

 #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;
     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
     uint32_t     flags;
 } 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;

 } 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;

 #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;

     AVCodecContext *enc;
 

     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;

 
     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;

 
     AVIOContext *mdat_buf;
     int64_t     data_offset;
     int64_t     frag_start;

     int64_t     tfrf_offset;

 
     int         nb_frag_info;
     MOVFragmentInfo *frag_info;

     unsigned    frag_info_capacity;

 
     struct {
         int64_t struct_offset;
         int     first_packet_seq;
         int     first_packet_entry;
         int     packet_seq;
         int     packet_entry;
         int     slices;
     } vc1_info;

 } MOVTrack;
 
 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 fragments;
     int max_fragment_duration;

     int min_fragment_duration;

     int max_fragment_size;

     int ism_lookahead;

     AVIOContext *mdat_buf;

 
     int use_editlist;

     int video_track_timescale;

 
     int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise

     int64_t reserved_moov_pos;

 
     char *major_brand;

 } MOVMuxContext;
 

 #define FF_MOV_FLAG_RTP_HINT 1

 #define FF_MOV_FLAG_FRAGMENT 2
 #define FF_MOV_FLAG_EMPTY_MOOV 4
 #define FF_MOV_FLAG_FRAG_KEYFRAME 8
 #define FF_MOV_FLAG_SEPARATE_MOOF 16

 #define FF_MOV_FLAG_FRAG_CUSTOM 32

 #define FF_MOV_FLAG_ISML 64

 #define FF_MOV_FLAG_FASTSTART 128

 #define FF_MOV_FLAG_OMIT_TFHD_OFFSET 256

 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 */