GstH264BitWriter

Since : 1.22

GstCodecParsers.prototype.h264_bit_writer_aud

function GstCodecParsers.prototype.h264_bit_writer_aud(primary_pic_type: Number, start_code: Number, size: Number): {
    // javascript wrapper for 'gst_h264_bit_writer_aud'
}

Generating the according h264 bit stream of an aud.

Parameters:

primary_pic_type (Number) –

indicate the possible slice types list just as the H264 spec defines

start_code (Number) –

whether adding the nal start code

size (Number) –

the size in bytes of the input and output

Returns a tuple made of:

data (Number ) –

size (Number ) –

Since : 1.22

GstCodecParsers.h264_bit_writer_aud

def GstCodecParsers.h264_bit_writer_aud (primary_pic_type, start_code, size):
    #python wrapper for 'gst_h264_bit_writer_aud'

Generating the according h264 bit stream of an aud.

Parameters:

primary_pic_type (int) –

indicate the possible slice types list just as the H264 spec defines

start_code (bool) –

whether adding the nal start code

size (int) –

the size in bytes of the input and output

Returns a tuple made of:

data (int ) –

size (int ) –

Since : 1.22

gst_h264_bit_writer_convert_to_nal

GstH264BitWriterResult
gst_h264_bit_writer_convert_to_nal (guint nal_prefix_size,
                                    gboolean packetized,
                                    gboolean has_startcode,
                                    gboolean add_trailings,
                                    const guint8 * raw_data,
                                    gsize raw_size,
                                    guint8 * nal_data,
                                    guint * nal_size)

Converting a bit stream into a real nal packet. If the bit stream already has a start code, it will be replaced by the new one specified by the nal_prefix_size and packetized. It is assured that the output aligns to the byte and the all the emulations are inserted.

Parameters:

nal_prefix_size –

the size in bytes for the prefix of a nal, may be 2, 3 or 4

packetized –

whether to write the bit stream in packetized format, which does not have the start code but has a nal_prefix_size bytes' size prepending to the real nal data

has_startcode –

whether the input already has a start code

add_trailings –

whether to add rbsp trailing bits to make the output aligned to byte

raw_data –

the input bit stream

raw_size –

the size in bits of the input bit stream

nal_data ( [out]) –

the output bit stream converted to a real nal

nal_size ( [inout]) –

the size in bytes of the output

Returns –

Since : 1.22

GstCodecParsers.prototype.h264_bit_writer_convert_to_nal

function GstCodecParsers.prototype.h264_bit_writer_convert_to_nal(nal_prefix_size: Number, packetized: Number, has_startcode: Number, add_trailings: Number, raw_data: Number, raw_size: Number, nal_size: Number): {
    // javascript wrapper for 'gst_h264_bit_writer_convert_to_nal'
}

Parameters:

nal_prefix_size (Number) –

the size in bytes for the prefix of a nal, may be 2, 3 or 4

packetized (Number) –

whether to write the bit stream in packetized format, which does not have the start code but has a nal_prefix_size bytes' size prepending to the real nal data

has_startcode (Number) –

whether the input already has a start code

add_trailings (Number) –

whether to add rbsp trailing bits to make the output aligned to byte

raw_data (Number) –

the input bit stream

raw_size (Number) –

the size in bits of the input bit stream

nal_size (Number) –

the size in bytes of the output

Returns a tuple made of:

nal_data (Number ) –

nal_size (Number ) –

Since : 1.22

GstCodecParsers.h264_bit_writer_convert_to_nal

def GstCodecParsers.h264_bit_writer_convert_to_nal (nal_prefix_size, packetized, has_startcode, add_trailings, raw_data, raw_size, nal_size):
    #python wrapper for 'gst_h264_bit_writer_convert_to_nal'

Parameters:

nal_prefix_size (int) –

the size in bytes for the prefix of a nal, may be 2, 3 or 4

packetized (bool) –

whether to write the bit stream in packetized format, which does not have the start code but has a nal_prefix_size bytes' size prepending to the real nal data

has_startcode (bool) –

whether the input already has a start code

add_trailings (bool) –

whether to add rbsp trailing bits to make the output aligned to byte

raw_data (int) –

the input bit stream

raw_size (int) –

the size in bits of the input bit stream

nal_size (int) –

the size in bytes of the output

Returns a tuple made of:

nal_data (int ) –

nal_size (int ) –

Since : 1.22

gst_h264_bit_writer_filler

GstH264BitWriterResult
gst_h264_bit_writer_filler (gboolean start_code,
                            guint num,
                            guint8 * data,
                            guint * size)

Generating the according h264 bit stream of a filler NAL unit with num filler bytes (0xFF).

Parameters:

start_code –

whether adding the nal start code

num –

number of filler bytes to add

data ( [out]) –

bit stream storage

size ( [inout]) –

size in bytes of the input and output

Returns –

Since : 1.26

GstCodecParsers.prototype.h264_bit_writer_filler

function GstCodecParsers.prototype.h264_bit_writer_filler(start_code: Number, num: Number, size: Number): {
    // javascript wrapper for 'gst_h264_bit_writer_filler'
}

Generating the according h264 bit stream of a filler NAL unit with num filler bytes (0xFF).

Parameters:

start_code (Number) –

whether adding the nal start code

num (Number) –

number of filler bytes to add

size (Number) –

size in bytes of the input and output

Returns a tuple made of:

data (Number ) –

size (Number ) –

Since : 1.26

GstCodecParsers.h264_bit_writer_filler

def GstCodecParsers.h264_bit_writer_filler (start_code, num, size):
    #python wrapper for 'gst_h264_bit_writer_filler'

Generating the according h264 bit stream of a filler NAL unit with num filler bytes (0xFF).

Parameters:

start_code (bool) –

whether adding the nal start code

num (int) –

number of filler bytes to add

size (int) –

size in bytes of the input and output

Returns a tuple made of:

data (int ) –

size (int ) –

Since : 1.26

gst_h264_bit_writer_pps

GstH264BitWriterResult
gst_h264_bit_writer_pps (const GstH264PPS * pps,
                         gboolean start_code,
                         guint8 * data,
                         guint * size)

Generating the according h264 bit stream by providing the pps.

Parameters:

pps –

the pps of GstH264PPS to write

start_code –

whether adding the nal start code

data ( [out]) –

the bit stream generated by the pps

size ( [inout]) –

the size in bytes of the input and output

Returns –

Since : 1.22

GstCodecParsers.prototype.h264_bit_writer_pps

function GstCodecParsers.prototype.h264_bit_writer_pps(pps: GstCodecParsers.H264PPS, start_code: Number, size: Number): {
    // javascript wrapper for 'gst_h264_bit_writer_pps'
}

Generating the according h264 bit stream by providing the pps.

Parameters:

pps (GstCodecParsers.H264PPS) –

the pps of GstCodecParsers.H264PPS to write

start_code (Number) –

whether adding the nal start code

size (Number) –

the size in bytes of the input and output

Returns a tuple made of:

data (Number ) –

size (Number ) –

Since : 1.22

GstCodecParsers.h264_bit_writer_pps

def GstCodecParsers.h264_bit_writer_pps (pps, start_code, size):
    #python wrapper for 'gst_h264_bit_writer_pps'

Generating the according h264 bit stream by providing the pps.

Parameters:

pps (GstCodecParsers.H264PPS) –

the pps of GstCodecParsers.H264PPS to write

start_code (bool) –

whether adding the nal start code

size (int) –

the size in bytes of the input and output

Returns a tuple made of:

data (int ) –

size (int ) –

Since : 1.22

gst_h264_bit_writer_sei

GstH264BitWriterResult
gst_h264_bit_writer_sei (GArray * sei_messages,
                         gboolean start_code,
                         guint8 * data,
                         guint * size)

Generating the according h264 bit stream by providing sei messages.

Parameters:

sei_messages ( [element-type GstH264SEIMessage]) –

An array of GstH264SEIMessage to write

start_code –

whether adding the nal start code

data ( [out]) –

the bit stream generated by the sei messages

size ( [inout]) –

the size in bytes of the input and output

Returns –

Since : 1.22

GstCodecParsers.prototype.h264_bit_writer_sei

function GstCodecParsers.prototype.h264_bit_writer_sei(sei_messages: [ GstCodecParsers.H264SEIMessage ], start_code: Number, size: Number): {
    // javascript wrapper for 'gst_h264_bit_writer_sei'
}

Generating the according h264 bit stream by providing sei messages.

Parameters:

sei_messages ([ GstCodecParsers.H264SEIMessage ]) –

An array of GstCodecParsers.H264SEIMessage to write

start_code (Number) –

whether adding the nal start code

size (Number) –

the size in bytes of the input and output

Returns a tuple made of:

data (Number ) –

size (Number ) –

Since : 1.22

GstCodecParsers.h264_bit_writer_sei

def GstCodecParsers.h264_bit_writer_sei (sei_messages, start_code, size):
    #python wrapper for 'gst_h264_bit_writer_sei'

Generating the according h264 bit stream by providing sei messages.

Parameters:

sei_messages ([ GstCodecParsers.H264SEIMessage ]) –

An array of GstCodecParsers.H264SEIMessage to write

start_code (bool) –

whether adding the nal start code

size (int) –

the size in bytes of the input and output

Returns a tuple made of:

data (int ) –

size (int ) –

Since : 1.22

gst_h264_bit_writer_slice_hdr

GstH264BitWriterResult
gst_h264_bit_writer_slice_hdr (const GstH264SliceHdr * slice,
                               gboolean start_code,
                               GstH264NalUnitType nal_type,
                               gboolean is_ref,
                               guint8 * data,
                               guint * size,
                               guint * trail_bits_num)

Generating the according h264 bit stream by providing the slice header.

Parameters:

slice –

the slice header of GstH264SliceHdr to write

start_code –

whether adding the nal start code

nal_type –

the slice's nal type of GstH264NalUnitType

is_ref –

whether the slice is a reference

data ( [out]) –

the bit stream generated by the slice header

size ( [inout]) –

the size in bytes of the input and output

trail_bits_num ( [out]) –

the trail bits number which is not byte aligned.

Returns –

Since : 1.22

GstCodecParsers.prototype.h264_bit_writer_slice_hdr

function GstCodecParsers.prototype.h264_bit_writer_slice_hdr(slice: GstCodecParsers.H264SliceHdr, start_code: Number, nal_type: GstCodecParsers.H264NalUnitType, is_ref: Number, size: Number): {
    // javascript wrapper for 'gst_h264_bit_writer_slice_hdr'
}

Generating the according h264 bit stream by providing the slice header.

Parameters:

slice (GstCodecParsers.H264SliceHdr) –

the slice header of GstCodecParsers.H264SliceHdr to write

start_code (Number) –

whether adding the nal start code

nal_type (GstCodecParsers.H264NalUnitType) –

the slice's nal type of GstCodecParsers.H264NalUnitType

is_ref (Number) –

whether the slice is a reference

size (Number) –

the size in bytes of the input and output

Returns a tuple made of:

data (Number ) –

size (Number ) –

trail_bits_num (Number ) –

Since : 1.22

GstCodecParsers.h264_bit_writer_slice_hdr

def GstCodecParsers.h264_bit_writer_slice_hdr (slice, start_code, nal_type, is_ref, size):
    #python wrapper for 'gst_h264_bit_writer_slice_hdr'

Generating the according h264 bit stream by providing the slice header.

Parameters:

slice (GstCodecParsers.H264SliceHdr) –

the slice header of GstCodecParsers.H264SliceHdr to write

start_code (bool) –

whether adding the nal start code

nal_type (GstCodecParsers.H264NalUnitType) –

the slice's nal type of GstCodecParsers.H264NalUnitType

is_ref (bool) –

whether the slice is a reference

size (int) –

the size in bytes of the input and output

Returns a tuple made of:

data (int ) –

size (int ) –

trail_bits_num (int ) –

Since : 1.22

gst_h264_bit_writer_sps

GstH264BitWriterResult
gst_h264_bit_writer_sps (const GstH264SPS * sps,
                         gboolean start_code,
                         guint8 * data,
                         guint * size)

Generating the according h264 bit stream by providing the sps.

Parameters:

sps –

the sps of GstH264SPS to write

start_code –

whether adding the nal start code

data ( [out]) –

the bit stream generated by the sps

size ( [inout]) –

the size in bytes of the input and output

Returns –

Since : 1.22

GstCodecParsers.prototype.h264_bit_writer_sps

function GstCodecParsers.prototype.h264_bit_writer_sps(sps: GstCodecParsers.H264SPS, start_code: Number, size: Number): {
    // javascript wrapper for 'gst_h264_bit_writer_sps'
}

Generating the according h264 bit stream by providing the sps.

Parameters:

sps (GstCodecParsers.H264SPS) –

the sps of GstCodecParsers.H264SPS to write

start_code (Number) –

whether adding the nal start code

size (Number) –

the size in bytes of the input and output

Returns a tuple made of:

data (Number ) –

size (Number ) –

Since : 1.22

GstCodecParsers.h264_bit_writer_sps

def GstCodecParsers.h264_bit_writer_sps (sps, start_code, size):
    #python wrapper for 'gst_h264_bit_writer_sps'

Generating the according h264 bit stream by providing the sps.

Parameters:

sps (GstCodecParsers.H264SPS) –

the sps of GstCodecParsers.H264SPS to write

start_code (bool) –

whether adding the nal start code

size (int) –

the size in bytes of the input and output

Returns a tuple made of:

data (int ) –

size (int ) –