int main(int argc, char **argv) {
th_enc_ctx *ctx;
/* print versioning */
print_version_string();
print_version();
/* allocate a generic context for queries that require it */
ctx = dummy_encode_ctx();
if (ctx != NULL) {
/* dump the speed level setting */
print_speed_level(ctx);
/* clean up */
th_encode_free(ctx);
}
return 0;
}
static void
gst_theora_enc_class_init (GstTheoraEncClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
/* query runtime encoder properties */
th_enc_ctx *th_ctx;
int default_speed_level = THEORA_DEF_SPEEDLEVEL;
int max_speed_level = default_speed_level;
GST_DEBUG_CATEGORY_INIT (theoraenc_debug, "theoraenc", 0, "Theora encoder");
th_ctx = dummy_encode_ctx ();
if (th_ctx) {
if (!check_speed_level (th_ctx, &default_speed_level, &max_speed_level))
GST_WARNING
("Failed to determine settings for the speed-level property.");
th_encode_free (th_ctx);
}
gobject_class->set_property = theora_enc_set_property;
gobject_class->get_property = theora_enc_get_property;
gobject_class->finalize = theora_enc_finalize;
g_object_class_install_property (gobject_class, PROP_CENTER,
g_param_spec_boolean ("center", "Center",
"ignored and kept for API compat only", TRUE,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_BORDER,
g_param_spec_enum ("border", "Border",
"ignored and kept for API compat only",
GST_TYPE_BORDER_MODE, BORDER_BLACK,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* general encoding stream options */
g_object_class_install_property (gobject_class, PROP_BITRATE,
g_param_spec_int ("bitrate", "Bitrate", "Compressed video bitrate (kbps)",
0, (1 << 24) - 1, THEORA_DEF_BITRATE,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_PLAYING));
g_object_class_install_property (gobject_class, PROP_QUALITY,
g_param_spec_int ("quality", "Quality", "Video quality", 0, 63,
THEORA_DEF_QUALITY,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_PLAYING));
g_object_class_install_property (gobject_class, PROP_QUICK,
g_param_spec_boolean ("quick", "Quick",
"ignored and kept for API compat only", TRUE,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KEYFRAME_AUTO,
g_param_spec_boolean ("keyframe-auto", "Keyframe Auto",
"Automatic keyframe detection", THEORA_DEF_KEYFRAME_AUTO,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KEYFRAME_FREQ,
g_param_spec_int ("keyframe-freq", "Keyframe frequency",
"Keyframe frequency", 1, 32768, THEORA_DEF_KEYFRAME_FREQ,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KEYFRAME_FREQ_FORCE,
g_param_spec_int ("keyframe-force", "Keyframe force",
"Force keyframe every N frames", 1, 32768,
THEORA_DEF_KEYFRAME_FREQ_FORCE,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KEYFRAME_THRESHOLD,
g_param_spec_int ("keyframe-threshold", "Keyframe threshold",
"ignored and kept for API compat only", 0, 32768, 80,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KEYFRAME_MINDISTANCE,
g_param_spec_int ("keyframe-mindistance", "Keyframe mindistance",
"ignored and kept for API compat only", 1, 32768, 8,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_NOISE_SENSITIVITY,
g_param_spec_int ("noise-sensitivity", "Noise sensitivity",
"ignored and kept for API compat only", 0, 32768, 1,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SHARPNESS,
g_param_spec_int ("sharpness", "Sharpness",
"ignored and kept for API compat only", 0, 2, 0,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SPEEDLEVEL,
g_param_spec_int ("speed-level", "Speed level",
"Controls the amount of analysis performed when encoding."
" Higher values trade compression quality for speed."
" This property requires libtheora version >= 1.0"
", and the maximum value may vary based on encoder version.",
0, max_speed_level, default_speed_level,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_VP3_COMPATIBLE,
g_param_spec_boolean ("vp3-compatible", "VP3 Compatible",
"Disables non-VP3 compatible features",
THEORA_DEF_VP3_COMPATIBLE,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DROP_FRAMES,
g_param_spec_boolean ("drop-frames", "VP3 Compatible",
"Allow or disallow frame dropping",
THEORA_DEF_DROP_FRAMES,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_CAP_OVERFLOW,
g_param_spec_boolean ("cap-overflow", "VP3 Compatible",
"Enable capping of bit reservoir overflows",
THEORA_DEF_CAP_OVERFLOW,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_CAP_UNDERFLOW,
g_param_spec_boolean ("cap-underflow", "VP3 Compatible",
"Enable capping of bit reservoir underflows",
THEORA_DEF_CAP_UNDERFLOW,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_RATE_BUFFER,
g_param_spec_int ("rate-buffer", "Rate Control Buffer",
"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",
0, 1000, THEORA_DEF_RATE_BUFFER,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MULTIPASS_CACHE_FILE,
g_param_spec_string ("multipass-cache-file", "Multipass Cache File",
"Multipass cache file", THEORA_DEF_MULTIPASS_CACHE_FILE,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MULTIPASS_MODE,
g_param_spec_enum ("multipass-mode", "Multipass mode",
"Single pass or first/second pass", GST_TYPE_MULTIPASS_MODE,
THEORA_DEF_MULTIPASS_MODE,
(GParamFlags) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = theora_enc_change_state;
}
