theoraenc: GStreamer Base Plugins 1.0 Plugins Reference Manual

## theoraenc theoraenc |

## Properties

gint | bitrate | Read / Write
gboolean | cap-overflow | Read / Write
gboolean | cap-underflow | Read / Write
gboolean | drop-frames | Read / Write
gboolean | keyframe-auto | Read / Write
gint | keyframe-force | Read / Write
gint | keyframe-freq | Read / Write
gchar * | multipass-cache-file | Read / Write
GstTheoraEncMultipassMode | multipass-mode | Read / Write
gint | quality | Read / Write
gint | rate-buffer | Read / Write
gint | speed-level | Read / Write
gboolean | vp3-compatible | Read / Write

## Types and Values

struct | GstTheoraEnc
enum | GstTheoraEncMultipassMode

## Object Hierarchy

        GObject
        ╰── GInitiallyUnowned
            ╰── GstObject
                ╰── GstElement
                    ╰── GstVideoEncoder
                        ╰── GstTheoraEnc

## Implemented Interfaces

GstTheoraEnc implements GstPreset.

## Description

## Synopsis

### Element Information

plugin | theora
author | Wim Taymans <wim@fluendo.com>
class | Codec/Encoder/Video

### Element Pads

name | sink
direction | sink
presence | always
details | video/x-raw, format=(string){ I420, Y42B, Y444 }, framerate=(fraction)[ 1/2147483647, 2147483647/1 ], width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ]

name | src
direction | source
presence | always
details | video/x-theora, framerate=(fraction)[ 1/2147483647, 2147483647/1 ], width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ]

## Functions

## Types and Values

### struct GstTheoraEnc

    struct GstTheoraEnc;

### enum GstTheoraEncMultipassMode

#### Members

MULTIPASS_MODE_SINGLE_PASS |  |
MULTIPASS_MODE_FIRST_PASS |  |
MULTIPASS_MODE_SECOND_PASS |  |

## Property Details

### The `“bitrate”` property

      “bitrate”                  gint

Compressed video bitrate (kbps).

Flags: Read / Write

Allowed values: [0,16777215]

Default value: 0

### The `“cap-overflow”` property

      “cap-overflow”             gboolean

Enable capping of bit reservoir overflows.

Flags: Read / Write

Default value: TRUE

### The `“cap-underflow”` property

      “cap-underflow”            gboolean

Enable capping of bit reservoir underflows.

Flags: Read / Write

Default value: FALSE

### The `“drop-frames”` property

      “drop-frames”              gboolean

Allow or disallow frame dropping.

Flags: Read / Write

Default value: TRUE

### The `“keyframe-auto”` property

      “keyframe-auto”            gboolean

Automatic keyframe detection.

Flags: Read / Write

Default value: TRUE

### The `“keyframe-force”` property

      “keyframe-force”           gint

Force keyframe every N frames.

Flags: Read / Write

Allowed values: [1,32768]

Default value: 64

### The `“keyframe-freq”` property

      “keyframe-freq”            gint

Keyframe frequency.

Flags: Read / Write

Allowed values: [1,32768]

Default value: 64

### The `“multipass-cache-file”` property

      “multipass-cache-file”     gchar *

Multipass cache file.

Flags: Read / Write

Default value: NULL

### The `“multipass-mode”` property

      “multipass-mode”           GstTheoraEncMultipassMode

Single pass or first/second pass.

Flags: Read / Write

Default value: Single pass

### The `“quality”` property

      “quality”                  gint

Video quality.

Flags: Read / Write

Allowed values: [0,63]

Default value: 48

### The `“rate-buffer”` property

      “rate-buffer”              gint

Sets the size of the rate control buffer, in units of frames. The default value of 0 instructs the encoder to automatically select an appropriate value.

Flags: Read / Write

Allowed values: [0,1000]

Default value: 0

### The `“speed-level”` property

      “speed-level”              gint

Controls the amount of motion vector searching done while encoding.

Flags: Read / Write

Allowed values: [0,3]

Default value: 1

### The `“vp3-compatible”` property

      “vp3-compatible”           gboolean

Disables non-VP3 compatible features.

Flags: Read / Write

Default value: FALSE