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For #299, refine code.
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winlin
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62b7204514
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175 changed files with 15529 additions and 15935 deletions
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@ -1,32 +1,29 @@
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/*
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The MIT License (MIT)
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Copyright (c) 2013-2017 SRS(ossrs)
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2013-2017 SRS(ossrs)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SRS_KERNEL_MP4_HPP
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#define SRS_KERNEL_MP4_HPP
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/*
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#include <srs_kernel_mp4.hpp>
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*/
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#include <srs_core.hpp>
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#include <srs_kernel_buffer.hpp>
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@ -201,7 +198,7 @@ public:
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protected:
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virtual int encode_boxes(SrsBuffer* buf);
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virtual int decode_boxes(SrsBuffer* buf);
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// Sub classes can override these functions for special codec.
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// Sub classes can override these functions for special codec.
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protected:
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// The size of header, not including the contained boxes.
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virtual int nb_header();
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@ -243,9 +240,9 @@ protected:
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/**
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* 4.3 File Type Box (ftyp)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 17
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* Files written to this version of this specification must contain a file-type box. For compatibility with an earlier
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* version of this specification, files may be conformant to this specification and not contain a file-type box. Files
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* with no file-type box should be read as if they contained an FTYP box with Major_brand='mp41', minor_version=0, and
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* Files written to this version of this specification must contain a file-type box. For compatibility with an earlier
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* version of this specification, files may be conformant to this specification and not contain a file-type box. Files
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* with no file-type box should be read as if they contained an FTYP box with Major_brand='mp41', minor_version=0, and
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* the single compatible brand 'mp41'.
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*/
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class SrsMp4FileTypeBox : public SrsMp4Box
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@ -273,9 +270,9 @@ protected:
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/**
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* 8.1.1 Media Data Box (mdat)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 29
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* This box contains the media data. In video tracks, this box would contain video frames.
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* A presentation may contain zero or more Media Data Boxes. The actual media data follows the type field;
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* its structure is described by the metadata (see particularly the sample table, subclause 8.5, and the
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* This box contains the media data. In video tracks, this box would contain video frames.
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* A presentation may contain zero or more Media Data Boxes. The actual media data follows the type field;
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* its structure is described by the metadata (see particularly the sample table, subclause 8.5, and the
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* item location box, subclause 8.11.3).
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*/
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class SrsMp4MediaDataBox : public SrsMp4Box
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@ -449,8 +446,8 @@ protected:
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/**
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* 8.3.1 Track Box (trak)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 32
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* This is a container box for a single track of a presentation. A presentation consists of one or more tracks.
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* Each track is independent of the other tracks in the presentation and carries its own temporal and spatial
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* This is a container box for a single track of a presentation. A presentation consists of one or more tracks.
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* Each track is independent of the other tracks in the presentation and carries its own temporal and spatial
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* information. Each track will contain its associated Media Box.
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*/
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class SrsMp4TrackBox : public SrsMp4Box
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@ -568,7 +565,7 @@ protected:
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/**
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* 8.6.5 Edit Box (edts)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 54
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* An Edit Box maps the presentation time-line to the media time-line as it is stored in the file.
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* An Edit Box maps the presentation time-line to the media time-line as it is stored in the file.
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* The Edit Box is a container for the edit lists.
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*/
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class SrsMp4EditBox : public SrsMp4Box
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@ -606,8 +603,8 @@ public:
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/**
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* 8.6.6 Edit List Box (elst)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 54
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* This box contains an explicit timeline map. Each entry defines part of the track time-line: by mapping part of
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* the media time-line, or by indicating ‘empty’ time, or by defining a ‘dwell’, where a single time-point in the
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* This box contains an explicit timeline map. Each entry defines part of the track time-line: by mapping part of
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* the media time-line, or by indicating ‘empty’ time, or by defining a ‘dwell’, where a single time-point in the
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* media is held for a period.
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*/
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class SrsMp4EditListBox : public SrsMp4FullBox
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@ -761,7 +758,7 @@ public:
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/**
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* 8.4.5.2 Video Media Header Box (vmhd)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 38
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* The video media header contains general presentation information, independent of the coding, for video
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* The video media header contains general presentation information, independent of the coding, for video
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* media. Note that the flags field has the value 1.
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*/
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class SrsMp4VideoMeidaHeaderBox : public SrsMp4FullBox
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@ -785,7 +782,7 @@ protected:
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/**
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* 8.4.5.3 Sound Media Header Box (smhd)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 39
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* The sound media header contains general presentation information, independent of the coding, for audio
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* The sound media header contains general presentation information, independent of the coding, for audio
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* media. This header is used for all tracks containing audio.
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*/
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class SrsMp4SoundMeidaHeaderBox : public SrsMp4FullBox
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@ -870,8 +867,8 @@ protected:
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/**
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* 8.7.2 Data Reference Box (dref)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 56
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* The data reference object contains a table of data references (normally URLs) that declare the location(s) of
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* the media data used within the presentation. The data reference index in the sample description ties entries
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* The data reference object contains a table of data references (normally URLs) that declare the location(s) of
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* the media data used within the presentation. The data reference index in the sample description ties entries
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* in this table to the samples in the track. A track may be split over several sources in this way.
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*/
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class SrsMp4DataReferenceBox : public SrsMp4FullBox
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@ -894,8 +891,8 @@ protected:
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/**
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* 8.5.1 Sample Table Box (stbl)
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* ISO_IEC_14496-12-base-format-2012.pdf, page 40
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* The sample table contains all the time and data indexing of the media samples in a track. Using the tables
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* here, it is possible to locate samples in time, determine their type (e.g. I-frame or not), and determine their
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* The sample table contains all the time and data indexing of the media samples in a track. Using the tables
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* here, it is possible to locate samples in time, determine their type (e.g. I-frame or not), and determine their
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* size, container, and offset into that container.
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*/
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class SrsMp4SampleTableBox : public SrsMp4Box
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/**
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* 8.5.2 Sample Description Box (stsd), for Audio/Video.
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* ISO_IEC_14496-12-base-format-2012.pdf, page 40
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* The sample description table gives detailed information about the coding type used, and any initialization
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* The sample description table gives detailed information about the coding type used, and any initialization
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* information needed for that coding.
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*/
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class SrsMp4SampleDescriptionBox : public SrsMp4FullBox
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/**
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* 8.6.1.2 Decoding Time to Sample Box (stts), for Audio/Video.
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* ISO_IEC_14496-12-base-format-2012.pdf, page 48
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* This box contains a compact version of a table that allows indexing from decoding time to sample number.
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* Other tables give sample sizes and pointers, from the sample number. Each entry in the table gives the
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* number of consecutive samples with the same time delta, and the delta of those samples. By adding the
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* This box contains a compact version of a table that allows indexing from decoding time to sample number.
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* Other tables give sample sizes and pointers, from the sample number. Each entry in the table gives the
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* number of consecutive samples with the same time delta, and the delta of those samples. By adding the
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* deltas a complete time-to-sample map may be built.
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*/
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class SrsMp4DecodingTime2SampleBox : public SrsMp4FullBox
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// Constructor
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SrsMp4CttsEntry();
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};
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/**
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/**
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* 8.6.1.3 Composition Time to Sample Box (ctts), for Video.
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* ISO_IEC_14496-12-base-format-2012.pdf, page 49
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* This box provides the offset between decoding time and composition time. In version 0 of this box the
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* This box provides the offset between decoding time and composition time. In version 0 of this box the
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* decoding time must be less than the composition time, and the offsets are expressed as unsigned numbers
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* such that CT(n) = DT(n) + CTTS(n) where CTTS(n) is the (uncompressed) table entry for sample n. In version
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* 1 of this box, the composition timeline and the decoding timeline are still derived from each other, but the
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* @remark The decoder will generate the first two audio/video sequence header.
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*/
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virtual int read_sample(SrsMp4HandlerType* pht, uint16_t* pft, uint16_t* pct,
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uint32_t* pdts, uint32_t* ppts, uint8_t** psample, uint32_t* pnb_sample
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);
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uint32_t* pdts, uint32_t* ppts, uint8_t** psample, uint32_t* pnb_sample);
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private:
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virtual int parse_ftyp(SrsMp4FileTypeBox* ftyp);
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virtual int parse_moov(SrsMp4MovieBox* moov);
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