FFmpeg: libavformat/movenc.h Source File

FFmpeg

[フレーム]

libavformat

movenc.h

Go to the documentation of this file.

1 /*

2 * MOV, 3GP, MP4 muxer

6 *

7 * This file is part of FFmpeg.

8 *

9 * FFmpeg is free software; you can redistribute it and/or

10 * modify it under the terms of the GNU Lesser General Public

11 * License as published by the Free Software Foundation; either

12 * version 2.1 of the License, or (at your option) any later version.

13 *

14 * FFmpeg is distributed in the hope that it will be useful,

15 * but WITHOUT ANY WARRANTY; without even the implied warranty of

16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

17 * Lesser General Public License for more details.

18 *

19 * You should have received a copy of the GNU Lesser General Public

20 * License along with FFmpeg; if not, write to the Free Software

21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

22 */

24 #ifndef AVFORMAT_MOVENC_H

25 #define AVFORMAT_MOVENC_H

27 #include "avformat.h"

29 #define MOV_FRAG_INFO_ALLOC_INCREMENT 64

30 #define MOV_INDEX_CLUSTER_SIZE 1024

31 #define MOV_TIMESCALE 1000

33 #define RTP_MAX_PACKET_SIZE 1450

35 #define MODE_MP4 0x01

36 #define MODE_MOV 0x02

37 #define MODE_3GP 0x04

38 #define MODE_PSP 0x08 // example working PSP command line:

39 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4

40 #define MODE_3G2 0x10

41 #define MODE_IPOD 0x20

42 #define MODE_ISM 0x40

43 #define MODE_F4V 0x80

45 typedef struct MOVIentry {

46 uint64_t pos;

47 int64_t dts;

48 unsigned int size;

49 unsigned int samples_in_chunk;

50 unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0

51 unsigned int entries;

52 int cts;

53 #define MOV_SYNC_SAMPLE 0x0001

54 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002

55 uint32_t flags;

56 } MOVIentry;

58 typedef struct HintSample {

59 uint8_t *data;

60 int size;

61 int sample_number;

62 int offset;

63 int own_data;

64 } HintSample;

66 typedef struct HintSampleQueue {

67 int size;

68 int len;

69 HintSample *samples;

70 } HintSampleQueue;

72 typedef struct MOVFragmentInfo {

73 int64_t offset;

74 int64_t time;

75 int64_t duration;

76 int64_t tfrf_offset;

77 } MOVFragmentInfo;

79 typedef struct MOVTrack {

80 int mode;

81 int entry;

82 unsigned timescale;

83 uint64_t time;

84 int64_t track_duration;

85 int last_sample_is_subtitle_end;

86 long sample_count;

87 long sample_size;

88 long chunkCount;

89 int has_keyframes;

90 #define MOV_TRACK_CTTS 0x0001

91 #define MOV_TRACK_STPS 0x0002

92 uint32_t flags;

93 #define MOV_TIMECODE_FLAG_DROPFRAME 0x0001

94 #define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002

95 #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004

96 uint32_t timecode_flags;

97 int language;

98 int secondary;

99 int track_id;

100 int tag; ///< stsd fourcc

101 AVCodecContext *enc;

102

103 int vos_len;

104 uint8_t *vos_data;

105 MOVIentry *cluster;

106 unsigned cluster_capacity;

107 int audio_vbr;

108 int height; ///< active picture (w/o VBI) height for D-10/IMX

109 uint32_t tref_tag;

110 int tref_id; ///< trackID of the referenced track

111 int64_t start_dts;

112

113 int hint_track; ///< the track that hints this track, -1 if no hint track is set

114 int src_track; ///< the track that this hint (or tmcd) track describes

115 AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer

116 uint32_t prev_rtp_ts;

117 int64_t cur_rtp_ts_unwrapped;

118 uint32_t max_packet_size;

119

120 int64_t default_duration;

121 uint32_t default_sample_flags;

122 uint32_t default_size;

123

124 HintSampleQueue sample_queue;

125

126 AVIOContext *mdat_buf;

127 int64_t moof_size_offset;

128 int64_t data_offset;

129 int64_t frag_start;

130 int64_t tfrf_offset;

131

132 int nb_frag_info;

133 MOVFragmentInfo *frag_info;

134 unsigned frag_info_capacity;

135

136 struct {

137 int64_t struct_offset;

138 int first_packet_seq;

139 int first_packet_entry;

140 int packet_seq;

141 int packet_entry;

142 int slices;

143 } vc1_info;

144 } MOVTrack;

145

146 typedef struct MOVMuxContext {

147 const AVClass *av_class;

148 int mode;

149 int64_t time;

150 int nb_streams;

151 int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy)

152 int chapter_track; ///< qt chapter track number

153 int64_t mdat_pos;

154 uint64_t mdat_size;

155 MOVTrack *tracks;

156

157 int flags;

158 int rtp_flags;

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

160 int64_t reserved_moov_pos;

161

162 int iods_skip;

163 int iods_video_profile;

164 int iods_audio_profile;

165

166 int fragments;

167 int max_fragment_duration;

168 int min_fragment_duration;

169 int max_fragment_size;

170 int ism_lookahead;

171 AVIOContext *mdat_buf;

172

173 int use_editlist;

174 int video_track_timescale;

175 } MOVMuxContext;

176

177 #define FF_MOV_FLAG_RTP_HINT 1

178 #define FF_MOV_FLAG_FRAGMENT 2

179 #define FF_MOV_FLAG_EMPTY_MOOV 4

180 #define FF_MOV_FLAG_FRAG_KEYFRAME 8

181 #define FF_MOV_FLAG_SEPARATE_MOOF 16

182 #define FF_MOV_FLAG_FRAG_CUSTOM 32

183 #define FF_MOV_FLAG_ISML 64

184 #define FF_MOV_FLAG_FASTSTART 128

185

186 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);

187

188 int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);

189 int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt,

190 int track_index, int sample,

191 uint8_t *sample_data, int sample_size);

192 void ff_mov_close_hinting(MOVTrack *track);

193

194 #endif /* AVFORMAT_MOVENC_H */

Generated on Wed Jul 10 2013 23:48:13 for FFmpeg by doxygen 1.8.2