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for #738, parse moov, get the h.264/avcC and aac/asc

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This commit is contained in:
winlin 2017-02-03 21:03:26 +08:00
parent e8eb050bf2
commit bbee16e4db
3 changed files with 285 additions and 9 deletions
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68
trunk/src/kernel/srs_kernel_mp4.hpp
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@ -30,12 +30,26 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <srs_core.hpp>
#include <srs_kernel_buffer.hpp>
#include <srs_kernel_codec.hpp>
#include <string>
#include <vector>
class ISrsReader;
class SrsMp4TrackBox;
class SrsMp4MediaBox;
class SrsSimpleStream;
class SrsMp4MovieHeaderBox;
class SrsMp4TrackHeaderBox;
class SrsMp4SampleTableBox;
class SrsMp4MediaInformationBox;
class SrsMp4SampleDescriptionBox;
class SrsMp4AvccBox;
class SrsMp4DecoderSpecificInfo;
class SrsMp4VisualSampleEntry;
class SrsMp4AvccBox;
class SrsMp4AudioSampleEntry;
class SrsMp4EsdsBox;
/**
* 4.2 Object Structure
@ -264,9 +278,6 @@ protected:
virtual int decode_header(SrsBuffer* buf);
};
class SrsMp4TrackBox;
class SrsMp4MovieHeaderBox;
/**
* 8.2.1 Movie Box (moov)
* ISO_IEC_14496-12-base-format-2012.pdf, page 30
@ -285,6 +296,10 @@ public:
virtual SrsMp4TrackBox* video();
// Get the first audio track.
virtual SrsMp4TrackBox* audio();
// Get the number of video tracks.
virtual int nb_vide_tracks();
// Get the number of audio tracks.
virtual int nb_soun_tracks();
protected:
virtual int nb_header();
virtual int encode_header(SrsBuffer* buf);
@ -366,6 +381,29 @@ public:
// for example, it maybe Audio|Video when contains both.
// Generally, only single type, no combination.
virtual SrsMp4TrackType track_type();
// Get the track header box.
virtual SrsMp4TrackHeaderBox* tkhd();
// For vide track, get the video codec.
virtual SrsCodecVideo vide_codec();
// For soun track, get the audio codec.
virtual SrsCodecAudio soun_codec();
// For H.264/AVC codec, get the sps/pps.
virtual SrsMp4AvccBox* avcc();
// For AAC codec, get the asc.
virtual SrsMp4DecoderSpecificInfo* asc();
private:
// Get the media box.
virtual SrsMp4MediaBox* mdia();
// Get the media info box.
virtual SrsMp4MediaInformationBox* minf();
// Get the sample table box.
virtual SrsMp4SampleTableBox* stbl();
// Get the sample description box
virtual SrsMp4SampleDescriptionBox* stsd();
// For H.264/AVC, get the avc1 box.
virtual SrsMp4VisualSampleEntry* avc1();
// For AAC, get the mp4a box.
virtual SrsMp4AudioSampleEntry* mp4a();
};
/**
@ -502,6 +540,8 @@ public:
// for example, it maybe Audio|Video when contains both.
// Generally, only single type, no combination.
virtual SrsMp4TrackType track_type();
// Get the media info box.
virtual SrsMp4MediaInformationBox* minf();
};
/**
@ -592,6 +632,9 @@ class SrsMp4MediaInformationBox : public SrsMp4Box
public:
SrsMp4MediaInformationBox();
virtual ~SrsMp4MediaInformationBox();
public:
// Get the sample table box.
virtual SrsMp4SampleTableBox* stbl();
};
/**
@ -734,6 +777,9 @@ class SrsMp4SampleTableBox : public SrsMp4Box
public:
SrsMp4SampleTableBox();
virtual ~SrsMp4SampleTableBox();
public:
// Get the sample description box
virtual SrsMp4SampleDescriptionBox* stsd();
};
/**
@ -788,6 +834,9 @@ public:
public:
SrsMp4VisualSampleEntry();
virtual ~SrsMp4VisualSampleEntry();
public:
// For avc1, get the avcc box.
virtual SrsMp4AvccBox* avcC();
protected:
virtual int nb_header();
virtual int encode_header(SrsBuffer* buf);
@ -828,6 +877,11 @@ public:
public:
SrsMp4AudioSampleEntry();
virtual ~SrsMp4AudioSampleEntry();
public:
// For AAC codec, get the esds.
virtual SrsMp4EsdsBox* esds();
// For AAC codec, get the asc.
virtual SrsMp4DecoderSpecificInfo* asc();
protected:
virtual int nb_header();
virtual int encode_header(SrsBuffer* buf);
@ -1003,6 +1057,9 @@ public:
public:
SrsMp4EsdsBox();
virtual ~SrsMp4EsdsBox();
public:
// For AAC codec, get the asc.
virtual SrsMp4DecoderSpecificInfo* asc();
protected:
virtual int nb_header();
virtual int encode_header(SrsBuffer* buf);
@ -1022,6 +1079,11 @@ private:
public:
SrsMp4SampleDescriptionBox();
virtual ~SrsMp4SampleDescriptionBox();
public:
// For H.264/AVC, get the avc1 box.
virtual SrsMp4VisualSampleEntry* avc1();
// For AAC, get the mp4a box.
virtual SrsMp4AudioSampleEntry* mp4a();
public:
virtual uint32_t entry_count();
virtual SrsMp4SampleEntry* entrie_at(int index);