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theoraenc: Add property for speed level control

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Add property "speed-level" to control the amount of motion searching
the encoder does.  This is only available in libtheora >= 1.0 and
will silently fail with earlier libraries.  Fixes: #572275.

Signed-off-by: David Schleef <ds@schleef.org>
This commit is contained in:
Benjamin M. Schwartz 2009-02-19 12:18:29 -08:00 committed by David Schleef
parent a490b3f2dd
commit d8a33f094c
2 changed files with 24 additions and 0 deletions
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2
ext/theora/gsttheoraenc.h
View file

@ -104,6 +104,8 @@ struct _GstTheoraEnc
guint64 granulepos_offset;
guint64 timestamp_offset;
gint granule_shift;
gint speed_level;
};
struct _GstTheoraEncClass

22
ext/theora/theoraenc.c
View file

@ -119,6 +119,7 @@ _ilog (unsigned int v)
#define THEORA_DEF_KEYFRAME_MINDISTANCE 8
#define THEORA_DEF_NOISE_SENSITIVITY 1
#define THEORA_DEF_SHARPNESS 0
#define THEORA_DEF_SPEEDLEVEL 1
enum
{
ARG_0,
@ -134,6 +135,7 @@ enum
ARG_KEYFRAME_MINDISTANCE,
ARG_NOISE_SENSITIVITY,
ARG_SHARPNESS,
ARG_SPEEDLEVEL,
/* FILL ME */
};
@ -265,6 +267,12 @@ gst_theora_enc_class_init (GstTheoraEncClass * klass)
g_param_spec_int ("sharpness", "Sharpness", "Sharpness", 0, 2,
THEORA_DEF_SHARPNESS,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_SPEEDLEVEL,
g_param_spec_int ("speed-level", "Speed level",
"Controls the amount of motion vector searching done while "
"encoding. This property requires libtheora version >= 1.0",
0, 2, THEORA_DEF_SPEEDLEVEL,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = theora_enc_change_state;
GST_DEBUG_CATEGORY_INIT (theoraenc_debug, "theoraenc", 0, "Theora encoder");
@ -307,6 +315,8 @@ gst_theora_enc_init (GstTheoraEnc * enc, GstTheoraEncClass * g_class)
"keyframe_frequency_force is %d, granule shift is %d",
enc->info.keyframe_frequency_force, enc->granule_shift);
enc->expected_ts = GST_CLOCK_TIME_NONE;
enc->speed_level = THEORA_DEF_SPEEDLEVEL;
}
static void
@ -327,6 +337,10 @@ theora_enc_reset (GstTheoraEnc * enc)
{
theora_clear (&enc->state);
theora_encode_init (&enc->state, &enc->info);
#ifdef TH_ENCCTL_SET_SPLEVEL
theora_control (&enc->state, TH_ENCCTL_SET_SPLEVEL, &enc->speed_level,
sizeof (enc->speed_level));
#endif
}
static void
@ -1101,6 +1115,11 @@ theora_enc_set_property (GObject * object, guint prop_id,
case ARG_SHARPNESS:
enc->sharpness = g_value_get_int (value);
break;
case ARG_SPEEDLEVEL:
#ifdef TH_ENCCTL_SET_SPLEVEL
enc->speed_level = g_value_get_int (value);
#endif
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1150,6 +1169,9 @@ theora_enc_get_property (GObject * object, guint prop_id,
case ARG_SHARPNESS:
g_value_set_int (value, enc->sharpness);
break;
case ARG_SPEEDLEVEL:
g_value_set_int (value, enc->speed_level);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;