/* Quicktime muxer plugin for GStreamer * Copyright (C) 2008-2010 Thiago Santos * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /* * Unless otherwise indicated, Source Code is licensed under MIT license. * See further explanation attached in License Statement (distributed in the file * LICENSE). * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished to do * so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef __ATOMS_H__ #define __ATOMS_H__ #include #include #include "descriptors.h" #include "properties.h" #include "fourcc.h" #include "ftypcc.h" /* helper storage struct */ #define ATOM_ARRAY(struct_type) \ struct { \ guint size; \ guint len; \ struct_type *data; \ } /* storage helpers */ #define atom_array_init(array, reserve) \ G_STMT_START { \ (array)->len = 0; \ (array)->size = reserve; \ (array)->data = g_malloc (sizeof (*(array)->data) * reserve); \ } G_STMT_END #define atom_array_append(array, elmt, inc) \ G_STMT_START { \ g_assert ((array)->data); \ g_assert (inc > 0); \ if (G_UNLIKELY ((array)->len == (array)->size)) { \ (array)->size += inc; \ (array)->data = \ g_realloc ((array)->data, sizeof (*((array)->data)) * (array)->size); \ } \ (array)->data[(array)->len] = elmt; \ (array)->len++; \ } G_STMT_END #define atom_array_get_len(array) ((array)->len) #define atom_array_index(array, index) ((array)->data[index]) #define atom_array_clear(array) \ G_STMT_START { \ (array)->size = (array)->len = 0; \ g_free ((array)->data); \ (array)->data = NULL; \ } G_STMT_END /* light-weight context that may influence header atom tree construction */ typedef enum _AtomsTreeFlavor { ATOMS_TREE_FLAVOR_MOV, ATOMS_TREE_FLAVOR_ISOM, ATOMS_TREE_FLAVOR_3GP, ATOMS_TREE_FLAVOR_ISML } AtomsTreeFlavor; typedef struct _AtomsContext { AtomsTreeFlavor flavor; } AtomsContext; AtomsContext* atoms_context_new (AtomsTreeFlavor flavor); void atoms_context_free (AtomsContext *context); #define METADATA_DATA_FLAG 0x0 #define METADATA_TEXT_FLAG 0x1 /* atom defs and functions */ /** * Used for storing time related values for some atoms. */ typedef struct _TimeInfo { guint64 creation_time; guint64 modification_time; guint32 timescale; guint64 duration; } TimeInfo; typedef struct _Atom { guint32 size; guint32 type; guint64 extended_size; } Atom; typedef struct _AtomFull { Atom header; guint8 version; guint8 flags[3]; } AtomFull; /* * Generic extension atom */ typedef struct _AtomData { Atom header; /* not written */ guint32 datalen; guint8 *data; } AtomData; typedef struct _AtomUUID { Atom header; guint8 uuid[16]; /* not written */ guint32 datalen; guint8 *data; } AtomUUID; typedef struct _AtomFTYP { Atom header; guint32 major_brand; guint32 version; guint32 *compatible_brands; /* not written */ guint32 compatible_brands_size; } AtomFTYP; typedef struct _AtomMVHD { AtomFull header; /* version 0: 32 bits */ TimeInfo time_info; guint32 prefered_rate; /* ISO: 0x00010000 */ guint16 volume; /* ISO: 0x0100 */ guint16 reserved3; /* ISO: 0x0 */ guint32 reserved4[2]; /* ISO: 0, 0 */ /* ISO: identity matrix = * { 0x00010000, 0, 0, 0, 0x00010000, 0, 0, 0, 0x40000000 } */ guint32 matrix[9]; /* ISO: all 0 */ guint32 preview_time; guint32 preview_duration; guint32 poster_time; guint32 selection_time; guint32 selection_duration; guint32 current_time; guint32 next_track_id; } AtomMVHD; typedef struct _AtomTKHD { AtomFull header; /* version 0: 32 bits */ /* like the TimeInfo struct, but it has this track_ID inside */ guint64 creation_time; guint64 modification_time; guint32 track_ID; guint32 reserved; guint64 duration; guint32 reserved2[2]; guint16 layer; guint16 alternate_group; guint16 volume; guint16 reserved3; /* ISO: identity matrix = * { 0x00010000, 0, 0, 0, 0x00010000, 0, 0, 0, 0x40000000 } */ guint32 matrix[9]; guint32 width; guint32 height; } AtomTKHD; typedef struct _AtomMDHD { AtomFull header; /* version 0: 32 bits */ TimeInfo time_info; /* ISO: packed ISO-639-2/T language code (first bit must be 0) */ guint16 language_code; /* ISO: 0 */ guint16 quality; } AtomMDHD; typedef struct _AtomHDLR { AtomFull header; /* ISO: 0 */ guint32 component_type; guint32 handler_type; guint32 manufacturer; guint32 flags; guint32 flags_mask; gchar *name; } AtomHDLR; typedef struct _AtomVMHD { AtomFull header; /* ISO: flags = 1 */ guint16 graphics_mode; /* RGB */ guint16 opcolor[3]; } AtomVMHD; typedef struct _AtomSMHD { AtomFull header; guint16 balance; guint16 reserved; } AtomSMHD; typedef struct _AtomHMHD { AtomFull header; guint16 max_pdu_size; guint16 avg_pdu_size; guint32 max_bitrate; guint32 avg_bitrate; guint32 sliding_avg_bitrate; } AtomHMHD; typedef struct _AtomURL { AtomFull header; gchar *location; } AtomURL; typedef struct _AtomDREF { AtomFull header; GList *entries; } AtomDREF; typedef struct _AtomDINF { Atom header; AtomDREF dref; } AtomDINF; typedef struct _STTSEntry { guint32 sample_count; gint32 sample_delta; } STTSEntry; typedef struct _AtomSTTS { AtomFull header; ATOM_ARRAY (STTSEntry) entries; } AtomSTTS; typedef struct _AtomSTSS { AtomFull header; ATOM_ARRAY (guint32) entries; } AtomSTSS; typedef struct _AtomESDS { AtomFull header; ESDescriptor es; } AtomESDS; typedef struct _AtomFRMA { Atom header; guint32 media_type; } AtomFRMA; typedef enum _SampleEntryKind { UNKNOWN, AUDIO, VIDEO } SampleEntryKind; typedef struct _SampleTableEntry { Atom header; guint8 reserved[6]; guint16 data_reference_index; /* sort of entry */ SampleEntryKind kind; } SampleTableEntry; typedef struct _AtomHintSampleEntry { SampleTableEntry se; guint32 size; guint8 *data; } AtomHintSampleEntry; typedef struct _SampleTableEntryMP4V { SampleTableEntry se; guint16 version; guint16 revision_level; guint32 vendor; /* fourcc code */ guint32 temporal_quality; guint32 spatial_quality; guint16 width; guint16 height; guint32 horizontal_resolution; guint32 vertical_resolution; guint32 datasize; guint16 frame_count; /* usually 1 */ guint8 compressor[32]; /* pascal string, i.e. first byte = length */ guint16 depth; guint16 color_table_id; /* (optional) list of AtomInfo */ GList *extension_atoms; } SampleTableEntryMP4V; typedef struct _SampleTableEntryMP4A { SampleTableEntry se; guint16 version; guint16 revision_level; guint32 vendor; guint16 channels; guint16 sample_size; guint16 compression_id; guint16 packet_size; guint32 sample_rate; /* fixed point 16.16 */ guint32 samples_per_packet; guint32 bytes_per_packet; guint32 bytes_per_frame; guint32 bytes_per_sample; /* (optional) list of AtomInfo */ GList *extension_atoms; } SampleTableEntryMP4A; typedef struct _SampleTableEntryMP4S { SampleTableEntry se; AtomESDS es; } SampleTableEntryMP4S; typedef struct _AtomSTSD { AtomFull header; guint n_entries; /* list of subclasses of SampleTableEntry */ GList *entries; } AtomSTSD; typedef struct _AtomSTSZ { AtomFull header; guint32 sample_size; /* need the size here because when sample_size is constant, * the list is empty */ guint32 table_size; ATOM_ARRAY (guint32) entries; } AtomSTSZ; typedef struct _STSCEntry { guint32 first_chunk; guint32 samples_per_chunk; guint32 sample_description_index; } STSCEntry; typedef struct _AtomSTSC { AtomFull header; ATOM_ARRAY (STSCEntry) entries; } AtomSTSC; /* * used for both STCO and CO64 * if used as STCO, entries should be truncated to use only 32bits */ typedef struct _AtomSTCO64 { AtomFull header; ATOM_ARRAY (guint64) entries; } AtomSTCO64; typedef struct _CTTSEntry { guint32 samplecount; guint32 sampleoffset; } CTTSEntry; typedef struct _AtomCTTS { AtomFull header; /* also entry count here */ ATOM_ARRAY (CTTSEntry) entries; gboolean do_pts; } AtomCTTS; typedef struct _AtomSTBL { Atom header; AtomSTSD stsd; AtomSTTS stts; AtomSTSS stss; AtomSTSC stsc; AtomSTSZ stsz; /* NULL if not present */ AtomCTTS *ctts; AtomSTCO64 stco64; } AtomSTBL; typedef struct _AtomMINF { Atom header; /* only (exactly) one of those must be present */ AtomVMHD *vmhd; AtomSMHD *smhd; AtomHMHD *hmhd; AtomHDLR *hdlr; AtomDINF dinf; AtomSTBL stbl; } AtomMINF; typedef struct _EditListEntry { /* duration in movie's timescale */ guint32 duration; /* start time in media's timescale, -1 for empty */ guint32 media_time; guint32 media_rate; /* fixed point 32 bit */ } EditListEntry; typedef struct _AtomELST { AtomFull header; /* number of entries is implicit */ GSList *entries; } AtomELST; typedef struct _AtomEDTS { Atom header; AtomELST elst; } AtomEDTS; typedef struct _AtomMDIA { Atom header; AtomMDHD mdhd; AtomHDLR hdlr; AtomMINF minf; } AtomMDIA; typedef struct _AtomILST { Atom header; /* list of AtomInfo */ GList* entries; } AtomILST; typedef struct _AtomTagData { AtomFull header; guint32 reserved; guint32 datalen; guint8* data; } AtomTagData; typedef struct _AtomTag { Atom header; AtomTagData data; } AtomTag; typedef struct _AtomMETA { AtomFull header; AtomHDLR hdlr; AtomILST *ilst; } AtomMETA; typedef struct _AtomUDTA { Atom header; /* list of AtomInfo */ GList* entries; /* or list is further down */ AtomMETA *meta; } AtomUDTA; enum TrFlags { TR_DATA_OFFSET = 0x01, /* data-offset-present */ TR_FIRST_SAMPLE_FLAGS = 0x04, /* first-sample-flags-present */ TR_SAMPLE_DURATION = 0x0100, /* sample-duration-present */ TR_SAMPLE_SIZE = 0x0200, /* sample-size-present */ TR_SAMPLE_FLAGS = 0x0400, /* sample-flags-present */ TR_COMPOSITION_TIME_OFFSETS = 0x0800 /* sample-composition-time-offsets-presents */ }; enum TfFlags { TF_BASE_DATA_OFFSET = 0x01, /* base-data-offset-present */ TF_SAMPLE_DESCRIPTION_INDEX = 0x02, /* sample-description-index-present */ TF_DEFAULT_SAMPLE_DURATION = 0x08, /* default-sample-duration-present */ TF_DEFAULT_SAMPLE_SIZE = 0x010, /* default-sample-size-present */ TF_DEFAULT_SAMPLE_FLAGS = 0x020, /* default-sample-flags-present */ TF_DURATION_IS_EMPTY = 0x010000 /* sample-composition-time-offsets-presents */ }; typedef struct _AtomTRAK { Atom header; AtomTKHD tkhd; AtomEDTS *edts; AtomMDIA mdia; /* some helper info for structural conformity checks */ gboolean is_video; gboolean is_h264; } AtomTRAK; typedef struct _AtomTREX { AtomFull header; guint32 track_ID; guint32 default_sample_description_index; guint32 default_sample_duration; guint32 default_sample_size; guint32 default_sample_flags; } AtomTREX; typedef struct _AtomMEHD { AtomFull header; guint64 fragment_duration; } AtomMEHD; typedef struct _AtomMVEX { Atom header; AtomMEHD mehd; /* list of AtomTREX */ GList *trexs; } AtomMVEX; typedef struct _AtomMFHD { AtomFull header; guint32 sequence_number; } AtomMFHD; typedef struct _AtomTFHD { AtomFull header; guint32 track_ID; guint64 base_data_offset; guint32 sample_description_index; guint32 default_sample_duration; guint32 default_sample_size; guint32 default_sample_flags; } AtomTFHD; typedef struct _TRUNSampleEntry { guint32 sample_duration; guint32 sample_size; guint32 sample_flags; guint32 sample_composition_time_offset; } TRUNSampleEntry; typedef struct _AtomTRUN { AtomFull header; guint32 sample_count; gint32 data_offset; guint32 first_sample_flags; /* array of fields */ ATOM_ARRAY (TRUNSampleEntry) entries; } AtomTRUN; typedef struct _AtomSDTP { AtomFull header; /* not serialized */ guint32 sample_count; /* array of fields */ ATOM_ARRAY (guint8) entries; } AtomSDTP; typedef struct _AtomTRAF { Atom header; AtomTFHD tfhd; /* list of AtomTRUN */ GList *truns; /* list of AtomSDTP */ GList *sdtps; } AtomTRAF; typedef struct _AtomMOOF { Atom header; AtomMFHD mfhd; /* list of AtomTRAF */ GList *trafs; } AtomMOOF; typedef struct _AtomMOOV { /* style */ AtomsContext context; Atom header; AtomMVHD mvhd; AtomMVEX mvex; /* list of AtomTRAK */ GList *traks; AtomUDTA *udta; gboolean fragmented; } AtomMOOV; typedef struct _AtomWAVE { Atom header; /* list of AtomInfo */ GList *extension_atoms; } AtomWAVE; typedef struct _TFRAEntry { guint64 time; guint64 moof_offset; guint32 traf_number; guint32 trun_number; guint32 sample_number; } TFRAEntry; typedef struct _AtomTFRA { AtomFull header; guint32 track_ID; guint32 lengths; /* array of entries */ ATOM_ARRAY (TFRAEntry) entries; } AtomTFRA; typedef struct _AtomMFRA { Atom header; /* list of tfra */ GList *tfras; } AtomMFRA; /* * Function to serialize an atom */ typedef guint64 (*AtomCopyDataFunc) (Atom *atom, guint8 **buffer, guint64 *size, guint64 *offset); /* * Releases memory allocated by an atom */ typedef guint64 (*AtomFreeFunc) (Atom *atom); /* * Some atoms might have many optional different kinds of child atoms, so this * is useful for enabling generic handling of any atom. * All we need are the two functions (copying it to an array * for serialization and the memory releasing function). */ typedef struct _AtomInfo { Atom *atom; AtomCopyDataFunc copy_data_func; AtomFreeFunc free_func; } AtomInfo; guint64 atom_copy_data (Atom *atom, guint8 **buffer, guint64 *size, guint64* offset); AtomFTYP* atom_ftyp_new (AtomsContext *context, guint32 major, guint32 version, GList *brands); guint64 atom_ftyp_copy_data (AtomFTYP *ftyp, guint8 **buffer, guint64 *size, guint64 *offset); void atom_ftyp_free (AtomFTYP *ftyp); AtomTRAK* atom_trak_new (AtomsContext *context); void atom_trak_add_samples (AtomTRAK * trak, guint32 nsamples, guint32 delta, guint32 size, guint64 chunk_offset, gboolean sync, gint64 pts_offset); void atom_trak_add_elst_entry (AtomTRAK * trak, guint32 duration, guint32 media_time, guint32 rate); guint32 atom_trak_get_timescale (AtomTRAK *trak); guint32 atom_trak_get_id (AtomTRAK * trak); void atom_stbl_add_samples (AtomSTBL * stbl, guint32 nsamples, guint32 delta, guint32 size, guint64 chunk_offset, gboolean sync, gint64 pts_offset); AtomMOOV* atom_moov_new (AtomsContext *context); void atom_moov_free (AtomMOOV *moov); guint64 atom_moov_copy_data (AtomMOOV *atom, guint8 **buffer, guint64 *size, guint64* offset); void atom_moov_update_timescale (AtomMOOV *moov, guint32 timescale); void atom_moov_update_duration (AtomMOOV *moov); void atom_moov_set_fragmented (AtomMOOV *moov, gboolean fragmented); void atom_moov_chunks_add_offset (AtomMOOV *moov, guint32 offset); void atom_moov_add_trak (AtomMOOV *moov, AtomTRAK *trak); guint64 atom_mvhd_copy_data (AtomMVHD * atom, guint8 ** buffer, guint64 * size, guint64 * offset); void atom_stco64_chunks_add_offset (AtomSTCO64 * stco64, guint32 offset); guint64 atom_trak_copy_data (AtomTRAK * atom, guint8 ** buffer, guint64 * size, guint64 * offset); void atom_stbl_clear (AtomSTBL * stbl); void atom_stbl_init (AtomSTBL * stbl); guint64 atom_stss_copy_data (AtomSTSS *atom, guint8 **buffer, guint64 *size, guint64* offset); guint64 atom_stts_copy_data (AtomSTTS *atom, guint8 **buffer, guint64 *size, guint64* offset); guint64 atom_stsc_copy_data (AtomSTSC *atom, guint8 **buffer, guint64 *size, guint64* offset); guint64 atom_stsz_copy_data (AtomSTSZ *atom, guint8 **buffer, guint64 *size, guint64* offset); guint64 atom_ctts_copy_data (AtomCTTS *atom, guint8 **buffer, guint64 *size, guint64* offset); guint64 atom_stco64_copy_data (AtomSTCO64 *atom, guint8 **buffer, guint64 *size, guint64* offset); AtomMOOF* atom_moof_new (AtomsContext *context, guint32 sequence_number); void atom_moof_free (AtomMOOF *moof); guint64 atom_moof_copy_data (AtomMOOF *moof, guint8 **buffer, guint64 *size, guint64* offset); AtomTRAF * atom_traf_new (AtomsContext * context, guint32 track_ID); void atom_traf_free (AtomTRAF * traf); void atom_traf_add_samples (AtomTRAF * traf, guint32 delta, guint32 size, gboolean sync, gint64 pts_offset, gboolean sdtp_sync); guint32 atom_traf_get_sample_num (AtomTRAF * traf); void atom_moof_add_traf (AtomMOOF *moof, AtomTRAF *traf); AtomMFRA* atom_mfra_new (AtomsContext *context); void atom_mfra_free (AtomMFRA *mfra); AtomTFRA* atom_tfra_new (AtomsContext *context, guint32 track_ID); void atom_tfra_add_entry (AtomTFRA *tfra, guint64 dts, guint32 sample_num); void atom_tfra_update_offset (AtomTFRA * tfra, guint64 offset); void atom_mfra_add_tfra (AtomMFRA *mfra, AtomTFRA *tfra); guint64 atom_mfra_copy_data (AtomMFRA *mfra, guint8 **buffer, guint64 *size, guint64* offset); /* media sample description related helpers */ typedef struct { guint16 version; guint32 fourcc; guint width; guint height; guint depth; guint frame_count; gint color_table_id; guint par_n; guint par_d; GstBuffer *codec_data; } VisualSampleEntry; typedef struct { guint32 fourcc; guint version; gint compression_id; guint sample_rate; guint channels; guint sample_size; guint bytes_per_packet; guint samples_per_packet; guint bytes_per_sample; guint bytes_per_frame; GstBuffer *codec_data; } AudioSampleEntry; void atom_trak_set_audio_type (AtomTRAK * trak, AtomsContext * context, AudioSampleEntry * entry, guint32 scale, AtomInfo * ext, gint sample_size); void atom_trak_set_video_type (AtomTRAK * trak, AtomsContext * context, VisualSampleEntry * entry, guint32 rate, GList * ext_atoms_list); void atom_trak_update_bitrates (AtomTRAK * trak, guint32 avg_bitrate, guint32 max_bitrate); AtomInfo * build_codec_data_extension (guint32 fourcc, const GstBuffer * codec_data); AtomInfo * build_mov_aac_extension (AtomTRAK * trak, const GstBuffer * codec_data, guint32 avg_bitrate, guint32 max_bitrate); AtomInfo * build_mov_alac_extension (AtomTRAK * trak, const GstBuffer * codec_data); AtomInfo * build_esds_extension (AtomTRAK * trak, guint8 object_type, guint8 stream_type, const GstBuffer * codec_data, guint32 avg_bitrate, guint32 max_bitrate); AtomInfo * build_btrt_extension (guint32 buffer_size_db, guint32 avg_bitrate, guint32 max_bitrate); AtomInfo * build_jp2h_extension (AtomTRAK * trak, gint width, gint height, const gchar *colorspace, gint ncomp, const GValue * cmap_array, const GValue * cdef_array); AtomInfo * build_jp2x_extension (const GstBuffer * prefix); AtomInfo * build_fiel_extension (gint fields); AtomInfo * build_amr_extension (void); AtomInfo * build_h263_extension (void); AtomInfo * build_gama_atom (gdouble gamma); AtomInfo * build_SMI_atom (const GstBuffer *seqh); AtomInfo * build_ima_adpcm_extension (gint channels, gint rate, gint blocksize); AtomInfo * build_uuid_xmp_atom (GstBuffer * xmp); /* * Meta tags functions */ void atom_moov_add_str_tag (AtomMOOV *moov, guint32 fourcc, const gchar *value); void atom_moov_add_uint_tag (AtomMOOV *moov, guint32 fourcc, guint32 flags, guint32 value); void atom_moov_add_tag (AtomMOOV *moov, guint32 fourcc, guint32 flags, const guint8 * data, guint size); void atom_moov_add_blob_tag (AtomMOOV *moov, guint8 *data, guint size); void atom_moov_add_3gp_str_tag (AtomMOOV * moov, guint32 fourcc, const gchar * value); void atom_moov_add_3gp_uint_tag (AtomMOOV * moov, guint32 fourcc, guint16 value); void atom_moov_add_3gp_str_int_tag (AtomMOOV * moov, guint32 fourcc, const gchar * value, gint16 ivalue); void atom_moov_add_3gp_tag (AtomMOOV * moov, guint32 fourcc, guint8 * data, guint size); void atom_moov_add_xmp_tags (AtomMOOV * moov, GstBuffer * xmp); #define GST_QT_MUX_DEFAULT_TAG_LANGUAGE "eng" guint16 language_code (const char * lang); #endif /* __ATOMS_H__ */