GstJpegParser

Provides useful functions for parsing JPEG images

GstJpegFrameComponent

Component-specification parameters.

Members

identifier (guint8) –

Component identifier (Ci)

horizontal_factor (guint8) –

Horizontal sampling factor (Hi)

vertical_factor (guint8) –

Vertical sampling factor (Vi)

quant_table_selector (guint8) –

Quantization table destination selector (Tqi)

Since : 1.6

GstCodecParsers.JpegFrameComponent

Component-specification parameters.

Members

identifier (Number) –

Component identifier (Ci)

horizontal_factor (Number) –

Horizontal sampling factor (Hi)

vertical_factor (Number) –

Vertical sampling factor (Vi)

quant_table_selector (Number) –

Quantization table destination selector (Tqi)

Since : 1.6

GstCodecParsers.JpegFrameComponent

Component-specification parameters.

Members

identifier (int) –

Component identifier (Ci)

horizontal_factor (int) –

Horizontal sampling factor (Hi)

vertical_factor (int) –

Vertical sampling factor (Vi)

quant_table_selector (int) –

Quantization table destination selector (Tqi)

Since : 1.6

GstJpegFrameHdr

Frame header.

Members

sample_precision (guint8) –

Sample precision (P)

width (guint16) –

Number of samples per line (X)

height (guint16) –

Number of lines (Y)

num_components (guint8) –

Number of image components in frame (Nf)

components (GstJpegFrameComponent *) –

Image components

Since : 1.6

GstCodecParsers.JpegFrameHdr

Frame header.

Members

sample_precision (Number) –

Sample precision (P)

width (Number) –

Number of samples per line (X)

height (Number) –

Number of lines (Y)

num_components (Number) –

Number of image components in frame (Nf)

components ([ GstCodecParsers.JpegFrameComponent ]) –

Image components

Since : 1.6

GstCodecParsers.JpegFrameHdr

Frame header.

Members

sample_precision (int) –

Sample precision (P)

width (int) –

Number of samples per line (X)

height (int) –

Number of lines (Y)

num_components (int) –

Number of image components in frame (Nf)

components ([ GstCodecParsers.JpegFrameComponent ]) –

Image components

Since : 1.6

GstJpegHuffmanTable

Huffman table.

Members

huf_bits (guint8 *) –

Number of Huffman codes of length i + 1 (Li)

huf_values (guint8 *) –
No description available
valid (gboolean) –

If the Huffman table is valid, which means it has already been parsed

Since : 1.6

GstCodecParsers.JpegHuffmanTable

Huffman table.

Members

huf_bits ([ Number ]) –

Number of Huffman codes of length i + 1 (Li)

huf_values ([ Number ]) –
No description available
valid (Number) –

If the Huffman table is valid, which means it has already been parsed

Since : 1.6

GstCodecParsers.JpegHuffmanTable

Huffman table.

Members

huf_bits ([ int ]) –

Number of Huffman codes of length i + 1 (Li)

huf_values ([ int ]) –
No description available
valid (bool) –

If the Huffman table is valid, which means it has already been parsed

Since : 1.6

GstJpegHuffmanTables

Helper data structure that holds all AC/DC Huffman tables used to decode an image.

Members

dc_tables (GstJpegHuffmanTable *) –

DC Huffman tables

ac_tables (GstJpegHuffmanTable *) –

AC Huffman tables

Since : 1.6

GstCodecParsers.JpegHuffmanTables

Helper data structure that holds all AC/DC Huffman tables used to decode an image.

Members

dc_tables ([ GstCodecParsers.JpegHuffmanTable ]) –

DC Huffman tables

ac_tables ([ GstCodecParsers.JpegHuffmanTable ]) –

AC Huffman tables

Since : 1.6

GstCodecParsers.JpegHuffmanTables

Helper data structure that holds all AC/DC Huffman tables used to decode an image.

Members

dc_tables ([ GstCodecParsers.JpegHuffmanTable ]) –

DC Huffman tables

ac_tables ([ GstCodecParsers.JpegHuffmanTable ]) –

AC Huffman tables

Since : 1.6

GstJpegQuantTable

Quantization table.

Members

quant_precision (guint8) –

Quantization table element precision (Pq)

quant_table (guint16 *) –

Quantization table elements (Qk)

valid (gboolean) –

If the quantization table is valid, which means it has already been parsed

Since : 1.6

GstCodecParsers.JpegQuantTable

Quantization table.

Members

quant_precision (Number) –

Quantization table element precision (Pq)

quant_table ([ Number ]) –

Quantization table elements (Qk)

valid (Number) –

If the quantization table is valid, which means it has already been parsed

Since : 1.6

GstCodecParsers.JpegQuantTable

Quantization table.

Members

quant_precision (int) –

Quantization table element precision (Pq)

quant_table ([ int ]) –

Quantization table elements (Qk)

valid (bool) –

If the quantization table is valid, which means it has already been parsed

Since : 1.6

GstJpegQuantTables

Helper data structure that holds all quantization tables used to decode an image.

Members

quant_tables (GstJpegQuantTable *) –

All quantization tables

Since : 1.6

GstCodecParsers.JpegQuantTables

Helper data structure that holds all quantization tables used to decode an image.

Members

quant_tables ([ GstCodecParsers.JpegQuantTable ]) –

All quantization tables

Since : 1.6

GstCodecParsers.JpegQuantTables

Helper data structure that holds all quantization tables used to decode an image.

Members

quant_tables ([ GstCodecParsers.JpegQuantTable ]) –

All quantization tables

Since : 1.6

GstJpegScanComponent

Component-specification parameters.

Members

component_selector (guint8) –

Scan component selector (Csj)

dc_selector (guint8) –

DC entropy coding table destination selector (Tdj)

ac_selector (guint8) –

AC entropy coding table destination selector (Taj)

Since : 1.6

GstCodecParsers.JpegScanComponent

Component-specification parameters.

Members

component_selector (Number) –

Scan component selector (Csj)

dc_selector (Number) –

DC entropy coding table destination selector (Tdj)

ac_selector (Number) –

AC entropy coding table destination selector (Taj)

Since : 1.6

GstCodecParsers.JpegScanComponent

Component-specification parameters.

Members

component_selector (int) –

Scan component selector (Csj)

dc_selector (int) –

DC entropy coding table destination selector (Tdj)

ac_selector (int) –

AC entropy coding table destination selector (Taj)

Since : 1.6

GstJpegScanHdr

Scan header.

Members

num_components (guint8) –

Number of image components in scan (Ns)

components (GstJpegScanComponent *) –

Image components

Since : 1.6

GstCodecParsers.JpegScanHdr

Scan header.

Members

num_components (Number) –

Number of image components in scan (Ns)

components ([ GstCodecParsers.JpegScanComponent ]) –

Image components

Since : 1.6

GstCodecParsers.JpegScanHdr

Scan header.

Members

num_components (int) –

Number of image components in scan (Ns)

components ([ GstCodecParsers.JpegScanComponent ]) –

Image components

Since : 1.6

GstJpegSegment

A structure that contains the type of a segment, its offset and its size.

Members

marker (GstJpegMarker) –

The type of the segment that starts at offset

data (const guint8 *) –

the data containing the jpeg segment starting at offset

offset (guint) –

The offset to the segment start in bytes. This is the exact start of the segment, no marker code included

size (gssize) –

The size of the segment in bytes, or -1 if the end was not found. It is the exact size of the segment, without the sync byte and marker code but including any length bytes.

Since : 1.6

GstCodecParsers.JpegSegment

A structure that contains the type of a segment, its offset and its size.

Members

The type of the segment that starts at offset

data (Number) –

the data containing the jpeg segment starting at offset

offset (Number) –

The offset to the segment start in bytes. This is the exact start of the segment, no marker code included

size (Number) –

The size of the segment in bytes, or -1 if the end was not found. It is the exact size of the segment, without the sync byte and marker code but including any length bytes.

Since : 1.6

GstCodecParsers.JpegSegment

A structure that contains the type of a segment, its offset and its size.

Members

The type of the segment that starts at offset

data (int) –

the data containing the jpeg segment starting at offset

offset (int) –

The offset to the segment start in bytes. This is the exact start of the segment, no marker code included

size (int) –

The size of the segment in bytes, or -1 if the end was not found. It is the exact size of the segment, without the sync byte and marker code but including any length bytes.

Since : 1.6

Methods

gst_jpeg_segment_parse_frame_header 

gboolean
gst_jpeg_segment_parse_frame_header (const GstJpegSegment * segment,
                                     GstJpegFrameHdr * frame_hdr)

Parses the frame_hdr JPEG frame header structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Parameters:

segment –

the JPEG segment

frame_hdr ( [out]) –

The GstJpegFrameHdr structure to fill in

Returns –

TRUE if the frame header was correctly parsed.

Since : 1.6

GstCodecParsers.JpegSegment.prototype.parse_frame_header 

function GstCodecParsers.JpegSegment.prototype.parse_frame_header(): {
    // javascript wrapper for 'gst_jpeg_segment_parse_frame_header'
}

Parses the frame_hdr JPEG frame header structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Parameters:

the JPEG segment

Returns a tuple made of:

(Number ) –

TRUE if the frame header was correctly parsed.

frame_hdr (GstCodecParsers.JpegFrameHdr ) –

TRUE if the frame header was correctly parsed.

Since : 1.6

GstCodecParsers.JpegSegment.parse_frame_header 

def GstCodecParsers.JpegSegment.parse_frame_header (self):
    #python wrapper for 'gst_jpeg_segment_parse_frame_header'

Parses the frame_hdr JPEG frame header structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Parameters:

the JPEG segment

Returns a tuple made of:

(bool ) –

TRUE if the frame header was correctly parsed.

frame_hdr (GstCodecParsers.JpegFrameHdr ) –

TRUE if the frame header was correctly parsed.

Since : 1.6

gst_jpeg_segment_parse_huffman_table 

gboolean
gst_jpeg_segment_parse_huffman_table (const GstJpegSegment * segment,
                                      GstJpegHuffmanTables * huff_tables)

Parses the JPEG Huffman table structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Note: huf_tables represents the complete set of possible Huffman tables. However, the parser will only write to the Huffman table specified by the table destination identifier (Th). While doing so, the valid flag of the specified Huffman table will also be set to TRUE;

Parameters:

segment –

the JPEG segment

huff_tables ( [out]) –

The GstJpegHuffmanTables structure to fill in

Returns –

TRUE if the Huffman table was correctly parsed.

Since : 1.6

GstCodecParsers.JpegSegment.prototype.parse_huffman_table 

function GstCodecParsers.JpegSegment.prototype.parse_huffman_table(): {
    // javascript wrapper for 'gst_jpeg_segment_parse_huffman_table'
}

Parses the JPEG Huffman table structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Note: huf_tables represents the complete set of possible Huffman tables. However, the parser will only write to the Huffman table specified by the table destination identifier (Th). While doing so, the valid flag of the specified Huffman table will also be set to true;

Parameters:

the JPEG segment

Returns a tuple made of:

(Number ) –

TRUE if the Huffman table was correctly parsed.

TRUE if the Huffman table was correctly parsed.

Since : 1.6

GstCodecParsers.JpegSegment.parse_huffman_table 

def GstCodecParsers.JpegSegment.parse_huffman_table (self):
    #python wrapper for 'gst_jpeg_segment_parse_huffman_table'

Parses the JPEG Huffman table structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Note: huf_tables represents the complete set of possible Huffman tables. However, the parser will only write to the Huffman table specified by the table destination identifier (Th). While doing so, the valid flag of the specified Huffman table will also be set to True;

Parameters:

the JPEG segment

Returns a tuple made of:

(bool ) –

TRUE if the Huffman table was correctly parsed.

TRUE if the Huffman table was correctly parsed.

Since : 1.6

gst_jpeg_segment_parse_quantization_table 

gboolean
gst_jpeg_segment_parse_quantization_table (const GstJpegSegment * segment,
                                           GstJpegQuantTables * quant_tables)

Parses the JPEG quantization table structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Note: quant_tables represents the complete set of possible quantization tables. However, the parser will only write to the quantization table specified by the table destination identifier (Tq). While doing so, the valid flag of the specified quantization table will also be set to TRUE.

Parameters:

segment –

the JPEG segment

quant_tables ( [out]) –

The GstJpegQuantTables structure to fill in

Returns –

TRUE if the quantization table was correctly parsed.

Since : 1.6

GstCodecParsers.JpegSegment.prototype.parse_quantization_table 

function GstCodecParsers.JpegSegment.prototype.parse_quantization_table(): {
    // javascript wrapper for 'gst_jpeg_segment_parse_quantization_table'
}

Parses the JPEG quantization table structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Note: quant_tables represents the complete set of possible quantization tables. However, the parser will only write to the quantization table specified by the table destination identifier (Tq). While doing so, the valid flag of the specified quantization table will also be set to true.

Parameters:

the JPEG segment

Returns a tuple made of:

(Number ) –

TRUE if the quantization table was correctly parsed.

quant_tables (GstCodecParsers.JpegQuantTables ) –

TRUE if the quantization table was correctly parsed.

Since : 1.6

GstCodecParsers.JpegSegment.parse_quantization_table 

def GstCodecParsers.JpegSegment.parse_quantization_table (self):
    #python wrapper for 'gst_jpeg_segment_parse_quantization_table'

Parses the JPEG quantization table structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Note: quant_tables represents the complete set of possible quantization tables. However, the parser will only write to the quantization table specified by the table destination identifier (Tq). While doing so, the valid flag of the specified quantization table will also be set to True.

Parameters:

the JPEG segment

Returns a tuple made of:

(bool ) –

TRUE if the quantization table was correctly parsed.

quant_tables (GstCodecParsers.JpegQuantTables ) –

TRUE if the quantization table was correctly parsed.

Since : 1.6

gst_jpeg_segment_parse_restart_interval 

gboolean
gst_jpeg_segment_parse_restart_interval (const GstJpegSegment * segment,
                                         guint * interval)

The caller must make sure there is enough data for the whole segment available.

Parameters:

segment –

the JPEG segment

interval ( [out]) –

The parsed restart interval value

Returns –

TRUE if the restart interval value was correctly parsed.

Since : 1.6

GstCodecParsers.JpegSegment.prototype.parse_restart_interval 

function GstCodecParsers.JpegSegment.prototype.parse_restart_interval(): {
    // javascript wrapper for 'gst_jpeg_segment_parse_restart_interval'
}

The caller must make sure there is enough data for the whole segment available.

Parameters:

the JPEG segment

Returns a tuple made of:

(Number ) –

TRUE if the restart interval value was correctly parsed.

interval (Number ) –

TRUE if the restart interval value was correctly parsed.

Since : 1.6

GstCodecParsers.JpegSegment.parse_restart_interval 

def GstCodecParsers.JpegSegment.parse_restart_interval (self):
    #python wrapper for 'gst_jpeg_segment_parse_restart_interval'

The caller must make sure there is enough data for the whole segment available.

Parameters:

the JPEG segment

Returns a tuple made of:

(bool ) –

TRUE if the restart interval value was correctly parsed.

interval (int ) –

TRUE if the restart interval value was correctly parsed.

Since : 1.6

gst_jpeg_segment_parse_scan_header 

gboolean
gst_jpeg_segment_parse_scan_header (const GstJpegSegment * segment,
                                    GstJpegScanHdr * scan_hdr)

Parses the scan_hdr JPEG scan header structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Parameters:

segment –

the JPEG segment

scan_hdr ( [out]) –

The GstJpegScanHdr structure to fill in

Returns –

TRUE if the scan header was correctly parsed

Since : 1.6

GstCodecParsers.JpegSegment.prototype.parse_scan_header 

function GstCodecParsers.JpegSegment.prototype.parse_scan_header(): {
    // javascript wrapper for 'gst_jpeg_segment_parse_scan_header'
}

Parses the scan_hdr JPEG scan header structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Parameters:

the JPEG segment

Returns a tuple made of:

(Number ) –

TRUE if the scan header was correctly parsed

scan_hdr (GstCodecParsers.JpegScanHdr ) –

TRUE if the scan header was correctly parsed

Since : 1.6

GstCodecParsers.JpegSegment.parse_scan_header 

def GstCodecParsers.JpegSegment.parse_scan_header (self):
    #python wrapper for 'gst_jpeg_segment_parse_scan_header'

Parses the scan_hdr JPEG scan header structure members from segment.

The caller must make sure there is enough data for the whole segment available.

Parameters:

the JPEG segment

Returns a tuple made of:

(bool ) –

TRUE if the scan header was correctly parsed

scan_hdr (GstCodecParsers.JpegScanHdr ) –

TRUE if the scan header was correctly parsed

Since : 1.6

Functions

gst_jpeg_get_default_huffman_tables 

gst_jpeg_get_default_huffman_tables (GstJpegHuffmanTables * huff_tables)

Fills in huf_tables with the default AC/DC Huffman tables, as specified by the JPEG standard.

Parameters:

huff_tables ( [out]) –

The default DC/AC Huffman tables to fill in

Since : 1.6

GstCodecParsers.prototype.jpeg_get_default_huffman_tables 

function GstCodecParsers.prototype.jpeg_get_default_huffman_tables(): {
    // javascript wrapper for 'gst_jpeg_get_default_huffman_tables'
}

Fills in huf_tables with the default AC/DC Huffman tables, as specified by the JPEG standard.

Since : 1.6

GstCodecParsers.jpeg_get_default_huffman_tables 

def GstCodecParsers.jpeg_get_default_huffman_tables ():
    #python wrapper for 'gst_jpeg_get_default_huffman_tables'

Fills in huf_tables with the default AC/DC Huffman tables, as specified by the JPEG standard.

Since : 1.6

gst_jpeg_get_default_quantization_tables 

gst_jpeg_get_default_quantization_tables (GstJpegQuantTables * quant_tables)

Parameters:

quant_tables –
No description available

GstCodecParsers.prototype.jpeg_get_default_quantization_tables 

function GstCodecParsers.prototype.jpeg_get_default_quantization_tables(quant_tables: GstCodecParsers.JpegQuantTables): {
    // javascript wrapper for 'gst_jpeg_get_default_quantization_tables'
}

Parameters:

quant_tables (GstCodecParsers.JpegQuantTables) –
No description available

GstCodecParsers.jpeg_get_default_quantization_tables 

def GstCodecParsers.jpeg_get_default_quantization_tables (quant_tables):
    #python wrapper for 'gst_jpeg_get_default_quantization_tables'

Parameters:

quant_tables (GstCodecParsers.JpegQuantTables) –
No description available

gst_jpeg_parse 

gboolean
gst_jpeg_parse (GstJpegSegment * seg,
                const guint8 * data,
                gsize size,
                guint offset)

Parses the JPEG bitstream contained in data, and returns the detected segment as a GstJpegSegment.

Note that a valid segment may be returned with a length that exceeds the available data. It is up to the caller to make sure there's enough data available when parsing the segment.

Parameters:

seg ( [out]) –

pointer to a GstJpegSegment structure to fill in

data –

The data to parse

size –

The size of data

offset –

The offset from which to start parsing

Returns –

TRUE if a packet start code was found.

Since : 1.6

GstCodecParsers.prototype.jpeg_parse 

function GstCodecParsers.prototype.jpeg_parse(data: Number, size: Number, offset: Number): {
    // javascript wrapper for 'gst_jpeg_parse'
}

Parses the JPEG bitstream contained in data, and returns the detected segment as a GstCodecParsers.JpegSegment.

Note that a valid segment may be returned with a length that exceeds the available data. It is up to the caller to make sure there's enough data available when parsing the segment.

Parameters:

data (Number) –

The data to parse

size (Number) –

The size of data

offset (Number) –

The offset from which to start parsing

Returns a tuple made of:

(Number ) –

TRUE if a packet start code was found.

TRUE if a packet start code was found.

Since : 1.6

GstCodecParsers.jpeg_parse 

def GstCodecParsers.jpeg_parse (data, size, offset):
    #python wrapper for 'gst_jpeg_parse'

Parses the JPEG bitstream contained in data, and returns the detected segment as a GstCodecParsers.JpegSegment.

Note that a valid segment may be returned with a length that exceeds the available data. It is up to the caller to make sure there's enough data available when parsing the segment.

Parameters:

data (int) –

The data to parse

size (int) –

The size of data

offset (int) –

The offset from which to start parsing

Returns a tuple made of:

(bool ) –

TRUE if a packet start code was found.

TRUE if a packet start code was found.

Since : 1.6

Enumerations

GstJpegEntropyCodingMode

JPEG entropy coding mode.

Members
GST_JPEG_ENTROPY_CODING_HUFFMAN (0) –

Huffman coding

GST_JPEG_ENTROPY_CODING_ARITHMETIC (8) –

arithmetic coding

Since : 1.6

GstCodecParsers.JpegEntropyCodingMode

JPEG entropy coding mode.

Members
GstCodecParsers.JpegEntropyCodingMode.HUFFMAN (0) –

Huffman coding

GstCodecParsers.JpegEntropyCodingMode.ARITHMETIC (8) –

arithmetic coding

Since : 1.6

GstCodecParsers.JpegEntropyCodingMode

JPEG entropy coding mode.

Members
GstCodecParsers.JpegEntropyCodingMode.HUFFMAN (0) –

Huffman coding

GstCodecParsers.JpegEntropyCodingMode.ARITHMETIC (8) –

arithmetic coding

Since : 1.6

GstJpegMarker

Indicates the type of JPEG segment.

Members
GST_JPEG_MARKER_SOF0 (192) –

Start of frame marker code (Baseline)

GST_JPEG_MARKER_SOF1 (193) –

Start of frame marker code (Extended Sequential, Huffman)

GST_JPEG_MARKER_SOF2 (194) –

Start of frame marker code (Progressive, Huffman)

GST_JPEG_MARKER_SOF3 (195) –

Start of frame marker code (Lossless, Huffman)

GST_JPEG_MARKER_SOF5 (197) –

Start of frame marker code (Differential Sequential, Huffman)

GST_JPEG_MARKER_SOF6 (198) –

Start of frame marker code (Differential Progressive, Huffman)

GST_JPEG_MARKER_SOF7 (199) –

Start of frame marker code (Differential Lossless, Huffman)

GST_JPEG_MARKER_SOF9 (201) –

Start of frame marker code (Extended Sequential, Arithmetic)

GST_JPEG_MARKER_SOF10 (202) –

Start of frame marker code (Progressive, Arithmetic)

GST_JPEG_MARKER_SOF11 (203) –

Start of frame marker code (Lossless, Arithmetic)

GST_JPEG_MARKER_SOF13 (205) –

Start of frame marker code (Differential Sequential, Arithmetic)

GST_JPEG_MARKER_SOF14 (206) –

Start of frame marker code (Differential Progressive, Arithmetic)

GST_JPEG_MARKER_SOF15 (207) –

Start of frame marker code (Differential Lossless, Arithmetic)

GST_JPEG_MARKER_DHT (196) –

Huffman table marker code

GST_JPEG_MARKER_DAC (204) –

Arithmetic coding marker code

GST_JPEG_MARKER_RST0 (208) –
No description available
GST_JPEG_MARKER_RST1 (209) –
No description available
GST_JPEG_MARKER_RST2 (210) –
No description available
GST_JPEG_MARKER_RST3 (211) –
No description available
GST_JPEG_MARKER_RST4 (212) –
No description available
GST_JPEG_MARKER_RST5 (213) –
No description available
GST_JPEG_MARKER_RST6 (214) –
No description available
GST_JPEG_MARKER_RST7 (215) –
No description available
GST_JPEG_MARKER_SOI (216) –

Start of image marker code

GST_JPEG_MARKER_EOI (217) –

End of image marker code

GST_JPEG_MARKER_SOS (218) –

Start of scan marker code

GST_JPEG_MARKER_DQT (219) –

Define quantization table marker code

GST_JPEG_MARKER_DNL (220) –

Define number of lines marker code

GST_JPEG_MARKER_DRI (221) –

Define restart interval marker code

GST_JPEG_MARKER_APP0 (224) –

Application segment 0 marker code

GST_JPEG_MARKER_APP1 (225) –

Application segment 1 marker code

GST_JPEG_MARKER_APP2 (226) –

Application segment 2 marker code

GST_JPEG_MARKER_APP3 (227) –

Application segment 3 marker code

GST_JPEG_MARKER_APP4 (228) –

Application segment 4 marker code

GST_JPEG_MARKER_APP5 (229) –

Application segment 5 marker code

GST_JPEG_MARKER_APP6 (230) –

Application segment 6 marker code

GST_JPEG_MARKER_APP7 (231) –

Application segment 7 marker code

GST_JPEG_MARKER_APP8 (232) –

Application segment 8 marker code

GST_JPEG_MARKER_APP9 (233) –

Application segment 9 marker code

GST_JPEG_MARKER_APP10 (234) –

Application segment 10 marker code

GST_JPEG_MARKER_APP11 (235) –

Application segment 11 marker code

GST_JPEG_MARKER_APP12 (236) –

Application segment 12 marker code

GST_JPEG_MARKER_APP13 (237) –

Application segment 13 marker code

GST_JPEG_MARKER_APP14 (238) –

Application segment 14 marker code

GST_JPEG_MARKER_APP15 (239) –

Application segment 15 marker code

GST_JPEG_MARKER_COM (254) –

Comment marker code

Since : 1.6

GstCodecParsers.JpegMarker

Indicates the type of JPEG segment.

Members
GstCodecParsers.JpegMarker.SOF0 (192) –

Start of frame marker code (Baseline)

GstCodecParsers.JpegMarker.SOF1 (193) –

Start of frame marker code (Extended Sequential, Huffman)

GstCodecParsers.JpegMarker.SOF2 (194) –

Start of frame marker code (Progressive, Huffman)

GstCodecParsers.JpegMarker.SOF3 (195) –

Start of frame marker code (Lossless, Huffman)

GstCodecParsers.JpegMarker.SOF5 (197) –

Start of frame marker code (Differential Sequential, Huffman)

GstCodecParsers.JpegMarker.SOF6 (198) –

Start of frame marker code (Differential Progressive, Huffman)

GstCodecParsers.JpegMarker.SOF7 (199) –

Start of frame marker code (Differential Lossless, Huffman)

GstCodecParsers.JpegMarker.SOF9 (201) –

Start of frame marker code (Extended Sequential, Arithmetic)

GstCodecParsers.JpegMarker.SOF10 (202) –

Start of frame marker code (Progressive, Arithmetic)

GstCodecParsers.JpegMarker.SOF11 (203) –

Start of frame marker code (Lossless, Arithmetic)

GstCodecParsers.JpegMarker.SOF13 (205) –

Start of frame marker code (Differential Sequential, Arithmetic)

GstCodecParsers.JpegMarker.SOF14 (206) –

Start of frame marker code (Differential Progressive, Arithmetic)

GstCodecParsers.JpegMarker.SOF15 (207) –

Start of frame marker code (Differential Lossless, Arithmetic)

GstCodecParsers.JpegMarker.DHT (196) –

Huffman table marker code

GstCodecParsers.JpegMarker.DAC (204) –

Arithmetic coding marker code

GstCodecParsers.JpegMarker.RST0 (208) –
No description available
GstCodecParsers.JpegMarker.RST1 (209) –
No description available
GstCodecParsers.JpegMarker.RST2 (210) –
No description available
GstCodecParsers.JpegMarker.RST3 (211) –
No description available
GstCodecParsers.JpegMarker.RST4 (212) –
No description available
GstCodecParsers.JpegMarker.RST5 (213) –
No description available
GstCodecParsers.JpegMarker.RST6 (214) –
No description available
GstCodecParsers.JpegMarker.RST7 (215) –
No description available
GstCodecParsers.JpegMarker.SOI (216) –

Start of image marker code

GstCodecParsers.JpegMarker.EOI (217) –

End of image marker code

GstCodecParsers.JpegMarker.SOS (218) –

Start of scan marker code

GstCodecParsers.JpegMarker.DQT (219) –

Define quantization table marker code

GstCodecParsers.JpegMarker.DNL (220) –

Define number of lines marker code

GstCodecParsers.JpegMarker.DRI (221) –

Define restart interval marker code

GstCodecParsers.JpegMarker.APP0 (224) –

Application segment 0 marker code

GstCodecParsers.JpegMarker.APP1 (225) –

Application segment 1 marker code

GstCodecParsers.JpegMarker.APP2 (226) –

Application segment 2 marker code

GstCodecParsers.JpegMarker.APP3 (227) –

Application segment 3 marker code

GstCodecParsers.JpegMarker.APP4 (228) –

Application segment 4 marker code

GstCodecParsers.JpegMarker.APP5 (229) –

Application segment 5 marker code

GstCodecParsers.JpegMarker.APP6 (230) –

Application segment 6 marker code

GstCodecParsers.JpegMarker.APP7 (231) –

Application segment 7 marker code

GstCodecParsers.JpegMarker.APP8 (232) –

Application segment 8 marker code

GstCodecParsers.JpegMarker.APP9 (233) –

Application segment 9 marker code

GstCodecParsers.JpegMarker.APP10 (234) –

Application segment 10 marker code

GstCodecParsers.JpegMarker.APP11 (235) –

Application segment 11 marker code

GstCodecParsers.JpegMarker.APP12 (236) –

Application segment 12 marker code

GstCodecParsers.JpegMarker.APP13 (237) –

Application segment 13 marker code

GstCodecParsers.JpegMarker.APP14 (238) –

Application segment 14 marker code

GstCodecParsers.JpegMarker.APP15 (239) –

Application segment 15 marker code

GstCodecParsers.JpegMarker.COM (254) –

Comment marker code

Since : 1.6

GstCodecParsers.JpegMarker

Indicates the type of JPEG segment.

Members
GstCodecParsers.JpegMarker.SOF0 (192) –

Start of frame marker code (Baseline)

GstCodecParsers.JpegMarker.SOF1 (193) –

Start of frame marker code (Extended Sequential, Huffman)

GstCodecParsers.JpegMarker.SOF2 (194) –

Start of frame marker code (Progressive, Huffman)

GstCodecParsers.JpegMarker.SOF3 (195) –

Start of frame marker code (Lossless, Huffman)

GstCodecParsers.JpegMarker.SOF5 (197) –

Start of frame marker code (Differential Sequential, Huffman)

GstCodecParsers.JpegMarker.SOF6 (198) –

Start of frame marker code (Differential Progressive, Huffman)

GstCodecParsers.JpegMarker.SOF7 (199) –

Start of frame marker code (Differential Lossless, Huffman)

GstCodecParsers.JpegMarker.SOF9 (201) –

Start of frame marker code (Extended Sequential, Arithmetic)

GstCodecParsers.JpegMarker.SOF10 (202) –

Start of frame marker code (Progressive, Arithmetic)

GstCodecParsers.JpegMarker.SOF11 (203) –

Start of frame marker code (Lossless, Arithmetic)

GstCodecParsers.JpegMarker.SOF13 (205) –

Start of frame marker code (Differential Sequential, Arithmetic)

GstCodecParsers.JpegMarker.SOF14 (206) –

Start of frame marker code (Differential Progressive, Arithmetic)

GstCodecParsers.JpegMarker.SOF15 (207) –

Start of frame marker code (Differential Lossless, Arithmetic)

GstCodecParsers.JpegMarker.DHT (196) –

Huffman table marker code

GstCodecParsers.JpegMarker.DAC (204) –

Arithmetic coding marker code

GstCodecParsers.JpegMarker.RST0 (208) –
No description available
GstCodecParsers.JpegMarker.RST1 (209) –
No description available
GstCodecParsers.JpegMarker.RST2 (210) –
No description available
GstCodecParsers.JpegMarker.RST3 (211) –
No description available
GstCodecParsers.JpegMarker.RST4 (212) –
No description available
GstCodecParsers.JpegMarker.RST5 (213) –
No description available
GstCodecParsers.JpegMarker.RST6 (214) –
No description available
GstCodecParsers.JpegMarker.RST7 (215) –
No description available
GstCodecParsers.JpegMarker.SOI (216) –

Start of image marker code

GstCodecParsers.JpegMarker.EOI (217) –

End of image marker code

GstCodecParsers.JpegMarker.SOS (218) –

Start of scan marker code

GstCodecParsers.JpegMarker.DQT (219) –

Define quantization table marker code

GstCodecParsers.JpegMarker.DNL (220) –

Define number of lines marker code

GstCodecParsers.JpegMarker.DRI (221) –

Define restart interval marker code

GstCodecParsers.JpegMarker.APP0 (224) –

Application segment 0 marker code

GstCodecParsers.JpegMarker.APP1 (225) –

Application segment 1 marker code

GstCodecParsers.JpegMarker.APP2 (226) –

Application segment 2 marker code

GstCodecParsers.JpegMarker.APP3 (227) –

Application segment 3 marker code

GstCodecParsers.JpegMarker.APP4 (228) –

Application segment 4 marker code

GstCodecParsers.JpegMarker.APP5 (229) –

Application segment 5 marker code

GstCodecParsers.JpegMarker.APP6 (230) –

Application segment 6 marker code

GstCodecParsers.JpegMarker.APP7 (231) –

Application segment 7 marker code

GstCodecParsers.JpegMarker.APP8 (232) –

Application segment 8 marker code

GstCodecParsers.JpegMarker.APP9 (233) –

Application segment 9 marker code

GstCodecParsers.JpegMarker.APP10 (234) –

Application segment 10 marker code

GstCodecParsers.JpegMarker.APP11 (235) –

Application segment 11 marker code

GstCodecParsers.JpegMarker.APP12 (236) –

Application segment 12 marker code

GstCodecParsers.JpegMarker.APP13 (237) –

Application segment 13 marker code

GstCodecParsers.JpegMarker.APP14 (238) –

Application segment 14 marker code

GstCodecParsers.JpegMarker.APP15 (239) –

Application segment 15 marker code

GstCodecParsers.JpegMarker.COM (254) –

Comment marker code

Since : 1.6

GstJpegProfile

JPEG encoding processes.

Members
GST_JPEG_PROFILE_BASELINE (0) –

Baseline DCT

GST_JPEG_PROFILE_EXTENDED (1) –

Extended sequential DCT

GST_JPEG_PROFILE_PROGRESSIVE (2) –

Progressive DCT

GST_JPEG_PROFILE_LOSSLESS (3) –

Lossless (sequential)

Since : 1.6

GstCodecParsers.JpegProfile

JPEG encoding processes.

Members
GstCodecParsers.JpegProfile.BASELINE (0) –

Baseline DCT

GstCodecParsers.JpegProfile.EXTENDED (1) –

Extended sequential DCT

GstCodecParsers.JpegProfile.PROGRESSIVE (2) –

Progressive DCT

GstCodecParsers.JpegProfile.LOSSLESS (3) –

Lossless (sequential)

Since : 1.6

GstCodecParsers.JpegProfile

JPEG encoding processes.

Members
GstCodecParsers.JpegProfile.BASELINE (0) –

Baseline DCT

GstCodecParsers.JpegProfile.EXTENDED (1) –

Extended sequential DCT

GstCodecParsers.JpegProfile.PROGRESSIVE (2) –

Progressive DCT

GstCodecParsers.JpegProfile.LOSSLESS (3) –

Lossless (sequential)

Since : 1.6

Constants

GST_JPEG_MARKER_APP_MAX 

#define GST_JPEG_MARKER_APP_MAX GST_JPEG_MARKER_APP15

GST_JPEG_MARKER_APP_MIN 

#define GST_JPEG_MARKER_APP_MIN GST_JPEG_MARKER_APP0

GST_JPEG_MARKER_RST_MAX 

#define GST_JPEG_MARKER_RST_MAX GST_JPEG_MARKER_RST7

GST_JPEG_MARKER_RST_MIN 

#define GST_JPEG_MARKER_RST_MIN GST_JPEG_MARKER_RST0

GST_JPEG_MARKER_SOF_MAX 

#define GST_JPEG_MARKER_SOF_MAX GST_JPEG_MARKER_SOF15

GST_JPEG_MARKER_SOF_MIN 

#define GST_JPEG_MARKER_SOF_MIN GST_JPEG_MARKER_SOF0

GST_JPEG_MAX_FRAME_COMPONENTS 

#define GST_JPEG_MAX_FRAME_COMPONENTS   256

Maximum number of image components in a frame (Nf).

Since : 1.6

GstCodecParsers.JPEG_MAX_FRAME_COMPONENTS

Maximum number of image components in a frame (Nf).

Since : 1.6

GstCodecParsers.JPEG_MAX_FRAME_COMPONENTS

Maximum number of image components in a frame (Nf).

Since : 1.6

GST_JPEG_MAX_QUANT_ELEMENTS 

#define GST_JPEG_MAX_QUANT_ELEMENTS     64

Number of elements in the quantization table.

Since : 1.6

GstCodecParsers.JPEG_MAX_QUANT_ELEMENTS

Number of elements in the quantization table.

Since : 1.6

GstCodecParsers.JPEG_MAX_QUANT_ELEMENTS

Number of elements in the quantization table.

Since : 1.6

GST_JPEG_MAX_SCAN_COMPONENTS 

#define GST_JPEG_MAX_SCAN_COMPONENTS    4

Maximum number of image components in a scan (Ns).

Since : 1.6

GstCodecParsers.JPEG_MAX_SCAN_COMPONENTS

Maximum number of image components in a scan (Ns).

Since : 1.6

GstCodecParsers.JPEG_MAX_SCAN_COMPONENTS

Maximum number of image components in a scan (Ns).

Since : 1.6

The results of the search are