static GstCaps *
gst_vorbis_enc_sink_getcaps (GstPad * pad)
{
GstVorbisEnc *vorbisenc = GST_VORBISENC (GST_PAD_PARENT (pad));
if (vorbisenc->sinkcaps == NULL)
vorbisenc->sinkcaps = gst_vorbis_enc_generate_sink_caps ();
return gst_caps_ref (vorbisenc->sinkcaps);
}
static GstCaps *
gst_vorbis_enc_getcaps (GstAudioEncoder * enc)
{
GstVorbisEnc *vorbisenc = GST_VORBISENC (enc);
if (vorbisenc->sinkcaps == NULL)
vorbisenc->sinkcaps = gst_vorbis_enc_generate_sink_caps ();
return gst_audio_encoder_proxy_getcaps (enc, vorbisenc->sinkcaps);
}
static GstCaps *
gst_vorbis_enc_getcaps (GstAudioEncoder * enc, GstCaps * filter)
{
GstVorbisEnc *vorbisenc = GST_VORBISENC (enc);
GstCaps *caps;
if (vorbisenc->sinkcaps == NULL)
vorbisenc->sinkcaps = gst_vorbis_enc_generate_sink_caps ();
if (filter) {
GstCaps *int_caps = gst_caps_intersect_full (filter, vorbisenc->sinkcaps,
GST_CAPS_INTERSECT_FIRST);
caps = gst_audio_encoder_proxy_getcaps (enc, int_caps, filter);
gst_caps_unref (int_caps);
} else {
caps = gst_audio_encoder_proxy_getcaps (enc, vorbisenc->sinkcaps, filter);
}
return caps;
}
static void
gst_vorbis_enc_class_init (GstVorbisEncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstAudioEncoderClass *base_class;
GstCaps *sink_caps;
GstPadTemplate *sink_templ;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
base_class = (GstAudioEncoderClass *) (klass);
gobject_class->set_property = gst_vorbis_enc_set_property;
gobject_class->get_property = gst_vorbis_enc_get_property;
gobject_class->dispose = gst_vorbis_enc_dispose;
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_BITRATE,
g_param_spec_int ("max-bitrate", "Maximum Bitrate",
"Specify a maximum bitrate (in bps). Useful for streaming "
"applications. (-1 == disabled)",
-1, HIGHEST_BITRATE, MAX_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BITRATE,
g_param_spec_int ("bitrate", "Target Bitrate",
"Attempt to encode at a bitrate averaging this (in bps). "
"This uses the bitrate management engine, and is not recommended for most users. "
"Quality is a better alternative. (-1 == disabled)", -1,
HIGHEST_BITRATE, BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MIN_BITRATE,
g_param_spec_int ("min-bitrate", "Minimum Bitrate",
"Specify a minimum bitrate (in bps). Useful for encoding for a "
"fixed-size channel. (-1 == disabled)", -1, HIGHEST_BITRATE,
MIN_BITRATE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
g_param_spec_float ("quality", "Quality",
"Specify quality instead of specifying a particular bitrate.", -0.1,
1.0, QUALITY_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MANAGED,
g_param_spec_boolean ("managed", "Managed",
"Enable bitrate management engine", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LAST_MESSAGE,
g_param_spec_string ("last-message", "last-message",
"The last status message", NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
sink_caps = gst_vorbis_enc_generate_sink_caps ();
sink_templ = gst_pad_template_new ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS, sink_caps);
gst_element_class_add_pad_template (gstelement_class, sink_templ);
gst_caps_unref (sink_caps);
gst_element_class_add_static_pad_template (gstelement_class,
&vorbis_enc_src_factory);
gst_element_class_set_static_metadata (gstelement_class,
"Vorbis audio encoder", "Codec/Encoder/Audio",
"Encodes audio in Vorbis format",
"Monty <*****@*****.**>, " "Wim Taymans <*****@*****.**>");
base_class->start = GST_DEBUG_FUNCPTR (gst_vorbis_enc_start);
base_class->stop = GST_DEBUG_FUNCPTR (gst_vorbis_enc_stop);
base_class->set_format = GST_DEBUG_FUNCPTR (gst_vorbis_enc_set_format);
base_class->handle_frame = GST_DEBUG_FUNCPTR (gst_vorbis_enc_handle_frame);
base_class->sink_event = GST_DEBUG_FUNCPTR (gst_vorbis_enc_sink_event);
base_class->flush = GST_DEBUG_FUNCPTR (gst_vorbis_enc_flush);
}
