mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 18:21:04 +00:00
faac: Add properties for VBR encoding
Property "quality" to specify VBR quantizer quality and property "brtype" to choose between ABR and VBR encoding. The default is now VBR with quality=100. Fixes bug #654310. Signed-off-by: David Schleef <ds@schleef.org>
This commit is contained in:
Mukul Majmudar
David Schleef
parent
2b5e8db968
commit
5293f30f3f
2 changed files with 64 additions and 4 deletions
|
|
@ -91,6 +91,12 @@
|
|||
"rate = (int) {" SAMPLE_RATES "}, " \
|
||||
"stream-format = (string) { adts, raw }, " \
|
||||
"profile = (string) { main, lc }"
|
||||
enum
|
||||
{
|
||||
VBR = 1,
|
||||
ABR
|
||||
};
|
||||
|
||||
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
|
|
@ -104,7 +110,9 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
|
|||
enum
|
||||
{
|
||||
PROP_0,
|
||||
PROP_QUALITY,
|
||||
PROP_BITRATE,
|
||||
PROP_RATE_CONTROL,
|
||||
PROP_PROFILE,
|
||||
PROP_TNS,
|
||||
PROP_MIDSIDE,
|
||||
|
|
@ -137,7 +145,9 @@ GST_DEBUG_CATEGORY_STATIC (faac_debug);
|
|||
#define GST_CAT_DEFAULT faac_debug
|
||||
|
||||
#define FAAC_DEFAULT_OUTPUTFORMAT 0 /* RAW */
|
||||
#define FAAC_DEFAULT_QUALITY 100
|
||||
#define FAAC_DEFAULT_BITRATE 128 * 1000
|
||||
#define FAAC_DEFAULT_RATE_CONTROL VBR
|
||||
#define FAAC_DEFAULT_TNS FALSE
|
||||
#define FAAC_DEFAULT_MIDSIDE TRUE
|
||||
#define FAAC_DEFAULT_SHORTCTL SHORTCTL_NORMAL
|
||||
|
|
@ -193,6 +203,26 @@ gst_faac_base_init (GstFaacClass * klass)
|
|||
GST_DEBUG_CATEGORY_INIT (faac_debug, "faac", 0, "AAC encoding");
|
||||
}
|
||||
|
||||
#define GST_TYPE_FAAC_RATE_CONTROL (gst_faac_brtype_get_type ())
|
||||
static GType
|
||||
gst_faac_brtype_get_type (void)
|
||||
{
|
||||
static GType gst_faac_brtype_type = 0;
|
||||
|
||||
if (!gst_faac_brtype_type) {
|
||||
static GEnumValue gst_faac_brtype[] = {
|
||||
{VBR, "VBR", "VBR encoding"},
|
||||
{ABR, "ABR", "ABR encoding"},
|
||||
{0, NULL, NULL},
|
||||
};
|
||||
|
||||
gst_faac_brtype_type = g_enum_register_static ("GstFaacBrtype",
|
||||
gst_faac_brtype);
|
||||
}
|
||||
|
||||
return gst_faac_brtype_type;
|
||||
}
|
||||
|
||||
#define GST_TYPE_FAAC_SHORTCTL (gst_faac_shortctl_get_type ())
|
||||
static GType
|
||||
gst_faac_shortctl_get_type (void)
|
||||
|
|
@ -227,10 +257,18 @@ gst_faac_class_init (GstFaacClass * klass)
|
|||
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_faac_finalize);
|
||||
|
||||
/* properties */
|
||||
g_object_class_install_property (gobject_class, PROP_QUALITY,
|
||||
g_param_spec_int ("quality", "Quality (%)",
|
||||
"Variable bitrate (VBR) quantizer quality in %", 1, 1000,
|
||||
FAAC_DEFAULT_QUALITY, G_PARAM_READWRITE));
|
||||
g_object_class_install_property (gobject_class, PROP_BITRATE,
|
||||
g_param_spec_int ("bitrate", "Bitrate (bps)", "Bitrate in bits/sec",
|
||||
8 * 1000, 320 * 1000, FAAC_DEFAULT_BITRATE,
|
||||
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
g_param_spec_int ("bitrate", "Bitrate (bps)",
|
||||
"Average bitrate (ABR) in bits/sec", 8 * 1000, 320 * 1000,
|
||||
FAAC_DEFAULT_BITRATE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
g_object_class_install_property (gobject_class, PROP_RATE_CONTROL,
|
||||
g_param_spec_enum ("rate-control", "Rate Control (ABR/VBR)",
|
||||
"Encoding bitrate type (VBR/ABR)", GST_TYPE_FAAC_RATE_CONTROL,
|
||||
FAAC_DEFAULT_RATE_CONTROL, G_PARAM_READWRITE));
|
||||
g_object_class_install_property (gobject_class, PROP_TNS,
|
||||
g_param_spec_boolean ("tns", "TNS", "Use temporal noise shaping",
|
||||
FAAC_DEFAULT_TNS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
|
@ -271,7 +309,9 @@ gst_faac_init (GstFaac * faac)
|
|||
faac->mpegversion = 4;
|
||||
|
||||
/* default properties */
|
||||
faac->quality = FAAC_DEFAULT_QUALITY;
|
||||
faac->bitrate = FAAC_DEFAULT_BITRATE;
|
||||
faac->brtype = FAAC_DEFAULT_RATE_CONTROL;
|
||||
faac->shortctl = FAAC_DEFAULT_SHORTCTL;
|
||||
faac->outputformat = FAAC_DEFAULT_OUTPUTFORMAT;
|
||||
faac->tns = FAAC_DEFAULT_TNS;
|
||||
|
|
@ -557,7 +597,13 @@ gst_faac_configure_source_pad (GstFaac * faac)
|
|||
conf->allowMidside = faac->midside;
|
||||
conf->useLfe = 0;
|
||||
conf->useTns = faac->tns;
|
||||
conf->bitRate = faac->bitrate / faac->channels;
|
||||
|
||||
if (faac->brtype == VBR) {
|
||||
conf->quantqual = faac->quality;
|
||||
} else if (faac->brtype == ABR) {
|
||||
conf->bitRate = faac->bitrate / faac->channels;
|
||||
}
|
||||
|
||||
conf->inputFormat = faac->format;
|
||||
conf->outputFormat = faac->outputformat;
|
||||
conf->shortctl = faac->shortctl;
|
||||
|
|
@ -879,9 +925,15 @@ gst_faac_set_property (GObject * object,
|
|||
GST_OBJECT_LOCK (faac);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_QUALITY:
|
||||
faac->quality = g_value_get_int (value);
|
||||
break;
|
||||
case PROP_BITRATE:
|
||||
faac->bitrate = g_value_get_int (value);
|
||||
break;
|
||||
case PROP_RATE_CONTROL:
|
||||
faac->brtype = g_value_get_enum (value);
|
||||
break;
|
||||
case PROP_TNS:
|
||||
faac->tns = g_value_get_boolean (value);
|
||||
break;
|
||||
|
|
@ -908,9 +960,15 @@ gst_faac_get_property (GObject * object,
|
|||
GST_OBJECT_LOCK (faac);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_QUALITY:
|
||||
g_value_set_int (value, faac->quality);
|
||||
break;
|
||||
case PROP_BITRATE:
|
||||
g_value_set_int (value, faac->bitrate);
|
||||
break;
|
||||
case PROP_RATE_CONTROL:
|
||||
g_value_set_enum (value, faac->brtype);
|
||||
break;
|
||||
case PROP_TNS:
|
||||
g_value_set_boolean (value, faac->tns);
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -52,7 +52,9 @@ struct _GstFaac {
|
|||
channels,
|
||||
format,
|
||||
bps,
|
||||
quality,
|
||||
bitrate,
|
||||
brtype,
|
||||
profile,
|
||||
mpegversion,
|
||||
shortctl,
|
||||
|
|
|
|||
Loading…
Reference in a new issue