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for #738, parse mp4 udta(user data) box.

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winlin 2017-02-02 22:20:33 +08:00
parent ffe0a4426d
commit 7ee1df33d1
2 changed files with 100 additions and 0 deletions
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27
trunk/src/kernel/srs_kernel_mp4.hpp
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@ -80,6 +80,7 @@ enum SrsMp4BoxType
SrsMp4BoxTypeAVCC = 0x61766343, // 'avcC'
SrsMp4BoxTypeMP4A = 0x6d703461, // 'mp4a'
SrsMp4BoxTypeESDS = 0x65736473, // 'esds'
SrsMp4BoxTypeUDTA = 0x75647461, // 'udta'
SrsMp4BoxTypeVIDE = 0x76696465, // 'vide'
SrsMp4BoxTypeSOUN = 0x736f756e, // 'soun'
@ -262,6 +263,10 @@ class SrsMp4MovieBox : public SrsMp4Box
public:
SrsMp4MovieBox();
virtual ~SrsMp4MovieBox();
protected:
virtual int nb_header();
virtual int encode_header(SrsBuffer* buf);
virtual int decode_header(SrsBuffer* buf);
};
/**
@ -1205,6 +1210,26 @@ protected:
virtual int decode_header(SrsBuffer* buf);
};
/**
* 8.10.1 User Data Box (udta)
* ISO_IEC_14496-12-base-format-2012.pdf, page 78
* This box contains objects that declare user information about the containing box and its data (presentation or
* track).
*/
class SrsMp4UserDataBox : public SrsMp4Box
{
public:
int nb_data;
uint8_t* data;
public:
SrsMp4UserDataBox();
virtual ~SrsMp4UserDataBox();
protected:
virtual int nb_header();
virtual int encode_header(SrsBuffer* buf);
virtual int decode_header(SrsBuffer* buf);
};
/**
* The MP4 demuxer.
*/
@ -1228,6 +1253,8 @@ public:
* the decoder just read data from the reader.
*/
virtual int initialize(ISrsReader* r);
private:
virtual int parse_moov(SrsMp4MovieBox* box);
private:
// Load the next box from reader.
// @param required_box_type The box type required, 0 for any box.