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sbc: Add mode property to the encoder

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This commit is contained in:
Marcel Holtmann 2007-08-26 13:12:47 +00:00 committed by Tim-Philipp Müller
parent fa031b3fe0
commit 5488f2bf13
2 changed files with 78 additions and 1 deletions
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77
ext/sbc/gstsbcenc.c
View file

@ -32,6 +32,33 @@
GST_DEBUG_CATEGORY_STATIC (sbc_enc_debug);
#define GST_CAT_DEFAULT sbc_enc_debug
#define GST_TYPE_SBC_MODE (gst_sbc_mode_get_type())
static GType
gst_sbc_mode_get_type (void)
{
static GType sbc_mode_type = 0;
static GEnumValue sbc_modes[] = {
{0, "Auto", "auto"},
{1, "Mono", "mono"},
{2, "Dual Channel", "dual"},
{3, "Stereo", "stereo"},
{4, "Joint Stereo", "joint"},
{-1, NULL, NULL}
};
if (!sbc_mode_type)
sbc_mode_type = g_enum_register_static ("GstSbcMode", sbc_modes);
return sbc_mode_type;
}
enum
{
PROP_0,
PROP_MODE,
};
GST_BOILERPLATE (GstSbcEnc, gst_sbc_enc, GstElement, GST_TYPE_ELEMENT);
static const GstElementDetails sbc_enc_details =
@ -50,7 +77,13 @@ GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
static GstStaticPadTemplate sbc_enc_src_factory =
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-sbc"));
GST_STATIC_CAPS ("audio/x-sbc, "
"rate = (int) { 16000, 32000, 44100, 48000 }, "
"channels = (int) [ 1, 2 ], "
"mode = (string) { mono, dual, stereo, joint }, "
"blocks = (int) { 4, 8, 12, 16 }, "
"subbands = (int) { 4, 8 }, "
"allocation = (string) { snr, loudness }"));
static GstFlowReturn
sbc_enc_chain (GstPad * pad, GstBuffer * buffer)
@ -147,15 +180,57 @@ gst_sbc_enc_base_init (gpointer g_class)
gst_element_class_set_details (element_class, &sbc_enc_details);
}
static void
gst_sbc_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSbcEnc *enc = GST_SBC_ENC (object);
switch (prop_id) {
case PROP_MODE:
enc->mode = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_sbc_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstSbcEnc *enc = GST_SBC_ENC (object);
switch (prop_id) {
case PROP_MODE:
g_value_set_enum (value, enc->mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_sbc_enc_class_init (GstSbcEncClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->set_property = GST_DEBUG_FUNCPTR (gst_sbc_enc_set_property);
object_class->get_property = GST_DEBUG_FUNCPTR (gst_sbc_enc_get_property);
element_class->change_state = GST_DEBUG_FUNCPTR (sbc_enc_change_state);
g_object_class_install_property (object_class, PROP_MODE,
g_param_spec_enum ("mode", "Mode", "Encoding mode",
GST_TYPE_SBC_MODE, 0, G_PARAM_READWRITE));
GST_DEBUG_CATEGORY_INIT (sbc_enc_debug, "sbcenc", 0, "SBC encoding element");
}

2
ext/sbc/gstsbcenc.h
View file

@ -47,6 +47,8 @@ struct _GstSbcEnc {
GstPad *sinkpad;
GstPad *srcpad;
gint mode;
sbc_t sbc;
};