OGMRipLavc

OGMRipLavc — Base class for lavc video codecs

Functions

Types and Values

Object Hierarchy


Includes

#include <ogmrip-lavc.h>

Description

Functions

ogmrip_init_lavc_plugin ()

void
ogmrip_init_lavc_plugin (void);

Initialises the LAVC plugin. This function should be called when initialising a plugin of the LAVC family.


ogmrip_lavc_set_cmp ()

void
ogmrip_lavc_set_cmp (OGMRipLavc *lavc,
                     guint cmp,
                     guint precmp,
                     guint subcmp);

Sets the comparison function for full pel, pre pass and sub pel motion estimation

Parameters

lavc

An OGMRipLavc

 

cmp

The comparison function for full pel motion estimation

 

precmp

The comparison function for motion estimation pre pass

 

subcmp

The comparison function for sub pel motion estimation

 

ogmrip_lavc_get_cmp ()

void
ogmrip_lavc_get_cmp (OGMRipLavc *lavc,
                     guint *cmp,
                     guint *precmp,
                     guint *subcmp);

Gets the comparison function for full pel, pre pass and sub pel motion estimation

Parameters

lavc

An OGMRipLavc

 

cmp

A pointer to store the comparison function for full pel motion estimation

 

precmp

A pointer to store the comparison function for motion estimation pre pass

 

subcmp

A pointer to store the comparison function for sub pel motion estimation

 

ogmrip_lavc_set_dia ()

void
ogmrip_lavc_set_dia (OGMRipLavc *lavc,
                     gint dia,
                     gint predia);

Sets the diamond type and size for full pel and pre pass motion estimation

Parameters

lavc

An OGMRipLavc

 

dia

The diamond type and size for full pel motion estimation

 

predia

The diamond type and size for motion estimation pre-pass

 

ogmrip_lavc_get_dia ()

void
ogmrip_lavc_get_dia (OGMRipLavc *lavc,
                     gint *dia,
                     gint *predia);

Gets the diamond type and size for full pel and pre pass motion estimation

Parameters

lavc

An OGMRipLavc

 

dia

A pointer to store the diamond type and size for full pel motion estimation

 

predia

A pointer to store the diamond type and size for motion estimation pre-pass

 

ogmrip_lavc_set_header ()

void
ogmrip_lavc_set_header (OGMRipLavc *lavc,
                        OGMRipLavcHeaderType header);

Sets the global video header type.

Parameters

lavc

An OGMRipLavc

 

header

The OGMRipLavcHeaderType

 

ogmrip_lavc_get_header ()

gint
ogmrip_lavc_get_header (OGMRipLavc *lavc);

Gets the global video header type.

Parameters

lavc

An OGMRipLavc

 

Returns

The current OGMRipLavcHeaderType, or -1


ogmrip_lavc_set_buf_size ()

void
ogmrip_lavc_set_buf_size (OGMRipLavc *lavc,
                          guint buf_size);

Sets the buffer size in kb

Parameters

lavc

An OGMRipLavc

 

buf_size

A buffer size

 

ogmrip_lavc_get_buf_size ()

gint
ogmrip_lavc_get_buf_size (OGMRipLavc *lavc);

Gets the buffer size in kb

Parameters

lavc

An OGMRipLavc

 

Returns

The buffer size, or -1


ogmrip_lavc_set_dc ()

void
ogmrip_lavc_set_dc (OGMRipLavc *lavc,
                    guint dc);

Sets the intra DC precision in bits

Parameters

lavc

An OGMRipLavc

 

dc

A precision

 

ogmrip_lavc_get_dc ()

gint
ogmrip_lavc_get_dc (OGMRipLavc *lavc);

Gets the intra DC precision in bits

Parameters

lavc

An OGMRipLavc

 

Returns

The precision, or -1


ogmrip_lavc_set_keyint ()

void
ogmrip_lavc_set_keyint (OGMRipLavc *lavc,
                        guint keyint);

Sets the maximum interval between key frames

Parameters

lavc

An OGMRipLavc

 

keyint

An intervale

 

ogmrip_lavc_get_keyint ()

gint
ogmrip_lavc_get_keyint (OGMRipLavc *lavc);

Gets the maximum interval between key frames

Parameters

lavc

An OGMRipLavc

 

Returns

The interval, or -1


ogmrip_lavc_set_last_pred ()

void
ogmrip_lavc_set_last_pred (OGMRipLavc *lavc,
                           guint last_pred);

Sets the amount of motion predictors from the previous frame

Parameters

lavc

An OGMRipLavc

 

last_pred

The last_pred

 

ogmrip_lavc_get_last_pred ()

gint
ogmrip_lavc_get_last_pred (OGMRipLavc *lavc);

Gets the amount of motion predictors from the previous frame

Parameters

lavc

An OGMRipLavc

 

Returns

The amount, or -1


ogmrip_lavc_set_max_rate ()

void
ogmrip_lavc_set_max_rate (OGMRipLavc *lavc,
                          guint max_rate);

Sets the maximum bitrate in kbps

Parameters

lavc

An OGMRipLavc

 

max_rate

A bitrate

 

ogmrip_lavc_get_max_rate ()

gint
ogmrip_lavc_get_max_rate (OGMRipLavc *lavc);

Gets the maximum bitrate in kbps

Parameters

lavc

An OGMRipLavc

 

Returns

The bitrate, or -1


ogmrip_lavc_set_mbd ()

void
ogmrip_lavc_set_mbd (OGMRipLavc *lavc,
                     guint mbd);

Sets the macroblock decision algorithm

Parameters

lavc

An OGMRipLavc

 

mbd

The mbd

 

ogmrip_lavc_get_mbd ()

gint
ogmrip_lavc_get_mbd (OGMRipLavc *lavc);

Gets the macroblock decision algorithm

Parameters

lavc

An OGMRipLavc

 

Returns

The algorithm, or -1


ogmrip_lavc_set_min_rate ()

void
ogmrip_lavc_set_min_rate (OGMRipLavc *lavc,
                          guint min_rate);

Sets the minimum bitrate in kbps

Parameters

lavc

An OGMRipLavc

 

min_rate

A bitrate

 

ogmrip_lavc_get_min_rate ()

gint
ogmrip_lavc_get_min_rate (OGMRipLavc *lavc);

Gets the minimum bitrate in kbps

Parameters

lavc

An OGMRipLavc

 

Returns

The bitrate, or -1


ogmrip_lavc_set_mv0 ()

void
ogmrip_lavc_set_mv0 (OGMRipLavc *lavc,
                     gboolean mv0);

Try to encode each MB with MV=<0,0>

Parameters

lavc

An OGMRipLavc

 

mv0

TRUE to enable mv0

 

ogmrip_lavc_get_mv0 ()

gboolean
ogmrip_lavc_get_mv0 (OGMRipLavc *lavc);

Gets whether to try to encode each MB with MV=<0,0>

Parameters

lavc

An OGMRipLavc

 

Returns

TRUE if mv0 is enabled


ogmrip_lavc_set_preme ()

void
ogmrip_lavc_set_preme (OGMRipLavc *lavc,
                       guint preme);

Sets the motion estimation pre-pass

Parameters

lavc

An OGMRipLavc

 

preme

The estimation

 

ogmrip_lavc_get_preme ()

gint
ogmrip_lavc_get_preme (OGMRipLavc *lavc);

Gets the motion estimation pre-pass

Parameters

lavc

An OGMRipLavc

 

Returns

The estimation, or -1


ogmrip_lavc_set_qns ()

void
ogmrip_lavc_set_qns (OGMRipLavc *lavc,
                     guint qns);

Sets the quantizer noise shaping

Parameters

lavc

An OGMRipLavc

 

qns

The shaping

 

ogmrip_lavc_get_qns ()

gint
ogmrip_lavc_get_qns (OGMRipLavc *lavc);

Gets the quantizer noise shaping

Parameters

lavc

An OGMRipLavc

 

Returns

The shaping, or -1


ogmrip_lavc_set_strict ()

void
ogmrip_lavc_set_strict (OGMRipLavc *lavc,
                        guint strict);

Sets the strict standard compliancy

Parameters

lavc

An OGMRipLavc

 

strict

The strictness

 

ogmrip_lavc_get_strict ()

gint
ogmrip_lavc_get_strict (OGMRipLavc *lavc);

Gets the strict standard compliancy

Parameters

lavc

An OGMRipLavc

 

Returns

The strictness, or -1


ogmrip_lavc_set_vb_strategy ()

void
ogmrip_lavc_set_vb_strategy (OGMRipLavc *lavc,
                             guint vb_strategy);

Sets the strategy to choose between I/P/B-frames

Parameters

lavc

An OGMRipLavc

 

vb_strategy

A strategy

 

ogmrip_lavc_get_vb_strategy ()

gint
ogmrip_lavc_get_vb_strategy (OGMRipLavc *lavc);

Gets the strategy to choose between I/P/B-frames

Parameters

lavc

An OGMRipLavc

 

Returns

The strategy, or -1


ogmrip_lavc_set_vqcomp ()

void
ogmrip_lavc_set_vqcomp (OGMRipLavc *lavc,
                        gdouble vqcomp);

Sets the quantizer compression

Parameters

lavc

An OGMRipLavc

 

vqcomp

The vqcomp

 

ogmrip_lavc_get_vqcomp ()

gdouble
ogmrip_lavc_get_vqcomp (OGMRipLavc *lavc);

Gets the quantizer compression

Parameters

lavc

An OGMRipLavc

 

Returns

The compression, or -1

Types and Values

struct OGMRipLavc

struct OGMRipLavc {
  OGMRipVideoCodec parent_instance;

  OGMRipLavcPriv *priv;
};


struct OGMRipLavcClass

struct OGMRipLavcClass {
  OGMRipVideoCodecClass parent_class;

  /* vtable */
  const gchar * (* get_codec) (void);
};


enum OGMRipLavcHeaderType

Controls writing global video headers.

Members

OGMRIP_LAVC_HEADER_AUTO

Codec decides where to write global headers.

 

OGMRIP_LAVC_HEADER_EXTRADATA

Write global headers only in extradata.

 

OGMRIP_LAVC_HEADER_KEYFRAMES

Write global headers only in front of keyframes.

 

OGMRIP_LAVC_HEADER_COMBINE

Combine OGMRIP_LAVC_HEADER_EXTRADATA and OGMRIP_LAVC_HEADER_KEYFRAMES .