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vtenc: add realtime and allow-frame-reordering properties

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This commit is contained in:
Alessandro Decina 2014-11-06 13:22:17 +01:00
parent 7e62c790d2
commit 1d97516731
2 changed files with 103 additions and 1 deletions
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102
sys/applemedia/vtenc.c
View file

@ -29,6 +29,8 @@
#define VTENC_DEFAULT_USAGE 6 /* Profile: Baseline Level: 2.1 */
#define VTENC_DEFAULT_BITRATE 768
#define VTENC_DEFAULT_FRAME_REORDERING TRUE
#define VTENC_DEFAULT_REALTIME FALSE
GST_DEBUG_CATEGORY (gst_vtenc_debug);
#define GST_CAT_DEFAULT (gst_vtenc_debug)
@ -40,7 +42,9 @@ enum
{
PROP_0,
PROP_USAGE,
PROP_BITRATE
PROP_BITRATE,
PROP_ALLOW_FRAME_REORDERING,
PROP_REALTIME
};
typedef struct _GstVTEncFrame GstVTEncFrame;
@ -85,6 +89,10 @@ static OSStatus gst_vtenc_session_configure_property_int (GstVTEnc * self,
VTCompressionSessionRef session, CFStringRef name, gint value);
static OSStatus gst_vtenc_session_configure_property_double (GstVTEnc * self,
VTCompressionSessionRef session, CFStringRef name, gdouble value);
static void gst_vtenc_session_configure_allow_frame_reordering (GstVTEnc * self,
VTCompressionSessionRef session, gboolean allow_frame_reordering);
static void gst_vtenc_session_configure_realtime (GstVTEnc * self,
VTCompressionSessionRef session, gboolean realtime);
static GstFlowReturn gst_vtenc_encode_frame (GstVTEnc * self,
GstVideoCodecFrame * frame);
@ -94,6 +102,7 @@ static void gst_vtenc_enqueue_buffer (void *outputCallbackRefCon,
static gboolean gst_vtenc_buffer_is_keyframe (GstVTEnc * self,
CMSampleBufferRef sbuf);
#ifndef HAVE_IOS
static GstVTEncFrame *gst_vtenc_frame_new (GstBuffer * buf,
GstVideoInfo * videoinfo);
@ -174,6 +183,18 @@ gst_vtenc_class_init (GstVTEncClass * klass)
"Target video bitrate in kbps",
1, G_MAXUINT, VTENC_DEFAULT_BITRATE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ALLOW_FRAME_REORDERING,
g_param_spec_boolean ("allow-frame-reordering", "Allow frame reordering",
"Whether to allow frame reordering or not",
VTENC_DEFAULT_FRAME_REORDERING,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_REALTIME,
g_param_spec_boolean ("realtime", "Realtime",
"Configure the encoder for realtime output",
VTENC_DEFAULT_REALTIME,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
}
static void
@ -215,6 +236,53 @@ gst_vtenc_set_bitrate (GstVTEnc * self, guint bitrate)
GST_OBJECT_UNLOCK (self);
}
static gboolean
gst_vtenc_get_allow_frame_reordering (GstVTEnc * self)
{
gboolean result;
GST_OBJECT_LOCK (self);
result = self->allow_frame_reordering;
GST_OBJECT_UNLOCK (self);
return result;
}
static void
gst_vtenc_set_allow_frame_reordering (GstVTEnc * self,
gboolean allow_frame_reordering)
{
GST_OBJECT_LOCK (self);
self->allow_frame_reordering = allow_frame_reordering;
if (self->session != NULL) {
gst_vtenc_session_configure_allow_frame_reordering (self,
self->session, allow_frame_reordering);
}
GST_OBJECT_UNLOCK (self);
}
static gboolean
gst_vtenc_get_realtime (GstVTEnc * self)
{
gboolean result;
GST_OBJECT_LOCK (self);
result = self->realtime;
GST_OBJECT_UNLOCK (self);
return result;
}
static void
gst_vtenc_set_realtime (GstVTEnc * self, gboolean realtime)
{
GST_OBJECT_LOCK (self);
self->realtime = realtime;
if (self->session != NULL)
gst_vtenc_session_configure_realtime (self, self->session, realtime);
GST_OBJECT_UNLOCK (self);
}
static void
gst_vtenc_get_property (GObject * obj, guint prop_id, GValue * value,
GParamSpec * pspec)
@ -225,6 +293,12 @@ gst_vtenc_get_property (GObject * obj, guint prop_id, GValue * value,
case PROP_BITRATE:
g_value_set_uint (value, gst_vtenc_get_bitrate (self) * 8 / 1000);
break;
case PROP_ALLOW_FRAME_REORDERING:
g_value_set_boolean (value, gst_vtenc_get_allow_frame_reordering (self));
break;
case PROP_REALTIME:
g_value_set_boolean (value, gst_vtenc_get_realtime (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
break;
@ -241,6 +315,12 @@ gst_vtenc_set_property (GObject * obj, guint prop_id, const GValue * value,
case PROP_BITRATE:
gst_vtenc_set_bitrate (self, g_value_get_uint (value) * 1000 / 8);
break;
case PROP_ALLOW_FRAME_REORDERING:
gst_vtenc_set_allow_frame_reordering (self, g_value_get_boolean (value));
break;
case PROP_REALTIME:
gst_vtenc_set_realtime (self, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
break;
@ -490,6 +570,10 @@ gst_vtenc_create_session (GstVTEnc * self)
gst_vtenc_session_configure_bitrate (self, session,
gst_vtenc_get_bitrate (self));
gst_vtenc_session_configure_realtime (self, session,
gst_vtenc_get_realtime (self));
gst_vtenc_session_configure_allow_frame_reordering (self, session,
gst_vtenc_get_allow_frame_reordering (self));
#ifdef HAVE_VIDEOTOOLBOX_10_9_6
if (VTCompressionSessionPrepareToEncodeFrames) {
@ -612,6 +696,22 @@ gst_vtenc_session_configure_bitrate (GstVTEnc * self,
kVTCompressionPropertyKey_AverageBitRate, bitrate);
}
static void
gst_vtenc_session_configure_allow_frame_reordering (GstVTEnc * self,
VTCompressionSessionRef session, gboolean allow_frame_reordering)
{
VTSessionSetProperty (session, kVTCompressionPropertyKey_AllowFrameReordering,
allow_frame_reordering ? kCFBooleanTrue : kCFBooleanFalse);
}
static void
gst_vtenc_session_configure_realtime (GstVTEnc * self,
VTCompressionSessionRef session, gboolean realtime)
{
VTSessionSetProperty (session, kVTCompressionPropertyKey_RealTime,
realtime ? kCFBooleanTrue : kCFBooleanFalse);
}
static OSStatus
gst_vtenc_session_configure_property_int (GstVTEnc * self,
VTCompressionSessionRef session, CFStringRef name, gint value)

2
sys/applemedia/vtenc.h
View file

@ -58,6 +58,8 @@ struct _GstVTEnc
const GstVTEncoderDetails * details;
guint bitrate;
gboolean allow_frame_reordering;
gboolean realtime;
gboolean dump_properties;
gboolean dump_attributes;