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vdpauvideopostprocess: add support for deinterlacing

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The code is roughly modeled after the deinterlace plugin
This commit is contained in:
Carl-Anton Ingmarsson 2009-07-04 13:59:36 +02:00 committed by Jan Schmidt
parent 707bbfcea3
commit feba003d80
5 changed files with 494 additions and 59 deletions
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2
sys/vdpau/gstvdpdevice.c
View file

@ -102,6 +102,8 @@ gst_vdp_device_constructed (GObject * object)
{VDP_FUNC_ID_VIDEO_MIXER_CREATE, &device->vdp_video_mixer_create},
{VDP_FUNC_ID_VIDEO_MIXER_DESTROY, &device->vdp_video_mixer_destroy},
{VDP_FUNC_ID_VIDEO_MIXER_RENDER, &device->vdp_video_mixer_render},
{VDP_FUNC_ID_VIDEO_MIXER_SET_FEATURE_ENABLES,
&device->vdp_video_mixer_set_feature_enables},
{VDP_FUNC_ID_OUTPUT_SURFACE_CREATE, &device->vdp_output_surface_create},
{VDP_FUNC_ID_OUTPUT_SURFACE_DESTROY, &device->vdp_output_surface_destroy},
{VDP_FUNC_ID_OUTPUT_SURFACE_QUERY_CAPABILITIES,

1
sys/vdpau/gstvdpdevice.h
View file

@ -73,6 +73,7 @@ struct _GstVdpDevice
VdpVideoMixerCreate *vdp_video_mixer_create;
VdpVideoMixerDestroy *vdp_video_mixer_destroy;
VdpVideoMixerRender *vdp_video_mixer_render;
VdpVideoMixerSetFeatureEnables *vdp_video_mixer_set_feature_enables;
VdpOutputSurfaceCreate *vdp_output_surface_create;
VdpOutputSurfaceDestroy *vdp_output_surface_destroy;

1
sys/vdpau/gstvdputils.c
View file

@ -134,6 +134,7 @@ gst_vdp_video_to_output_caps (GstCaps * caps)
gst_structure_set_name (structure, "video/x-vdpau-output");
gst_structure_remove_field (structure, "chroma-type");
gst_structure_remove_field (structure, "interlaced");
}
return result;

442
sys/vdpau/gstvdpvideopostprocess.c
View file

@ -33,7 +33,7 @@
/*
* TODO:
* + add support for postprocessing eg. deinterlace
* + add support for more postprocessing options
* + mixing videos. (This should perhaps be done in a separate element based on
* VdpOutputSurface)
*/
@ -64,7 +64,9 @@ enum
enum
{
PROP_0,
PROP_FORCE_ASPECT_RATIO
PROP_FORCE_ASPECT_RATIO,
PROP_DEINTERLACE_MODE,
PROP_DEINTERLACE_METHOD
};
/* the capabilities of the inputs and outputs.
@ -88,14 +90,277 @@ GST_BOILERPLATE_FULL (GstVdpVideoPostProcess, gst_vdp_vpp,
static void gst_vdp_vpp_finalize (GObject * object);
#define GST_TYPE_VDP_DEINTERLACE_METHODS (gst_vdp_deinterlace_methods_get_type ())
static GType
gst_vdp_deinterlace_methods_get_type (void)
{
static GType deinterlace_methods_type = 0;
static const GEnumValue methods_types[] = {
{GST_VDP_DEINTERLACE_METHOD_BOB,
"Vertically scale a single field to the size of a single frame.",
"bob"},
{GST_VDP_DEINTERLACE_METHOD_TEMPORAL, "Motion Adaptive: Simple Detection",
"temporal"},
{GST_VDP_DEINTERLACE_METHOD_TEMPORAL_SPATIAL,
"Motion Adaptive: Advanced Detection", "temporal-spatial"},
{0, NULL, NULL},
};
if (!deinterlace_methods_type) {
deinterlace_methods_type =
g_enum_register_static ("GstVdpDeinterlaceMethods", methods_types);
}
return deinterlace_methods_type;
}
#define GST_TYPE_VDP_DEINTERLACE_MODES (gst_vdp_deinterlace_modes_get_type ())
static GType
gst_vdp_deinterlace_modes_get_type (void)
{
static GType deinterlace_modes_type = 0;
static const GEnumValue modes_types[] = {
{GST_VDP_DEINTERLACE_MODE_AUTO, "Auto detection", "auto"},
{GST_VDP_DEINTERLACE_MODE_INTERLACED, "Enfore deinterlacing", "interlaced"},
{GST_VDP_DEINTERLACE_MODE_DISABLED, "Run in passthrough mode", "disabled"},
{0, NULL, NULL},
};
if (!deinterlace_modes_type) {
deinterlace_modes_type =
g_enum_register_static ("GstVdpDeinterlaceModes", modes_types);
}
return deinterlace_modes_type;
}
static VdpVideoMixerFeature
gst_vdp_feature_from_deinterlace_method (GstVdpDeinterlaceMethods method)
{
gint i;
VdpVideoMixerFeature feature;
typedef struct
{
GstVdpDeinterlaceMethods method;
VdpVideoMixerFeature feature;
} VdpDeinterlaceMethod;
VdpDeinterlaceMethod deinterlace_methods[2] = {
{GST_VDP_DEINTERLACE_METHOD_TEMPORAL,
VDP_VIDEO_MIXER_FEATURE_DEINTERLACE_TEMPORAL},
{GST_VDP_DEINTERLACE_METHOD_TEMPORAL_SPATIAL,
VDP_VIDEO_MIXER_FEATURE_DEINTERLACE_TEMPORAL_SPATIAL}
};
for (i = 0; i < G_N_ELEMENTS (deinterlace_methods); i++) {
if (deinterlace_methods[i].method == method) {
feature = deinterlace_methods[i].feature;
break;
}
}
return feature;
}
static void
gst_vdp_picture_clear (GstVdpPicture pic)
{
if (pic.buf) {
gst_buffer_unref (GST_BUFFER (pic.buf));
pic.buf = NULL;
}
}
static gboolean
gst_vdp_vpp_is_interlaced (GstVdpVideoPostProcess * vpp)
{
if (vpp->mode == GST_VDP_DEINTERLACE_MODE_INTERLACED)
return TRUE;
if (vpp->mode == GST_VDP_DEINTERLACE_MODE_AUTO && vpp->interlaced)
return TRUE;
return FALSE;
}
static guint
gst_vdp_vpp_get_required_pictures (GstVdpVideoPostProcess * vpp)
{
guint ret = 1;
if (!gst_vdp_vpp_is_interlaced (vpp))
return 1;
switch (vpp->method) {
case GST_VDP_DEINTERLACE_METHOD_BOB:
ret = 1;
break;
case GST_VDP_DEINTERLACE_METHOD_TEMPORAL:
case GST_VDP_DEINTERLACE_METHOD_TEMPORAL_SPATIAL:
ret = 3;
break;
}
return ret;
}
static gboolean
gst_vdp_vpp_get_next_picture (GstVdpVideoPostProcess * vpp,
GstVdpPicture * current_pic,
guint32 * video_surfaces_past_count, VdpVideoSurface * video_surfaces_past,
guint32 * video_surfaces_future_count,
VdpVideoSurface * video_surfaces_future)
{
gint i;
gint required_pictures;
required_pictures = gst_vdp_vpp_get_required_pictures (vpp);
if (vpp->n_future_pictures < required_pictures)
return FALSE;
*current_pic = vpp->future_pictures[0];
for (i = 0; i < vpp->n_future_pictures - 1; i++) {
vpp->future_pictures[i] = vpp->future_pictures[i + 1];
}
vpp->future_pictures[vpp->n_future_pictures - 1].buf = NULL;
vpp->n_future_pictures--;
*video_surfaces_future_count = vpp->n_future_pictures;
for (i = 0; i < vpp->n_future_pictures; i++)
video_surfaces_future[i] = vpp->future_pictures[i].buf->surface;
*video_surfaces_past_count = vpp->n_past_pictures;
for (i = 0; i < vpp->n_past_pictures; i++)
video_surfaces_past[i] = vpp->past_pictures[i].buf->surface;
if (vpp->n_past_pictures == MAX_PICTURES) {
gst_vdp_picture_clear (vpp->past_pictures[MAX_PICTURES - 1]);
vpp->n_past_pictures--;
}
/* move every picture upwards one step in the array */
for (i = vpp->n_past_pictures; i > 0; i--) {
vpp->past_pictures[i] = vpp->past_pictures[i - 1];
}
/* add the picture to the past surfaces */
vpp->past_pictures[0] = *current_pic;
vpp->n_past_pictures++;
return TRUE;
}
static void
gst_vdp_vpp_add_buffer (GstVdpVideoPostProcess * vpp, GstVdpVideoBuffer * buf)
{
gboolean repeated;
gboolean tff;
gboolean onefield;
GstVdpPicture pic1, pic2;
if (!gst_vdp_vpp_is_interlaced (vpp)) {
pic1.buf = buf;
pic1.structure = VDP_VIDEO_MIXER_PICTURE_STRUCTURE_FRAME;
pic1.timestamp = GST_BUFFER_TIMESTAMP (buf);
vpp->future_pictures[vpp->n_future_pictures++] = pic1;
return;
}
repeated = GST_BUFFER_FLAG_IS_SET (buf, GST_VIDEO_BUFFER_RFF);
tff = GST_BUFFER_FLAG_IS_SET (buf, GST_VIDEO_BUFFER_TFF);
onefield = GST_BUFFER_FLAG_IS_SET (buf, GST_VIDEO_BUFFER_ONEFIELD);
pic1.buf = buf;
pic2.buf = (GstVdpVideoBuffer *) gst_buffer_ref (GST_BUFFER (buf));
if (tff) {
pic1.structure = VDP_VIDEO_MIXER_PICTURE_STRUCTURE_TOP_FIELD;
pic2.structure = VDP_VIDEO_MIXER_PICTURE_STRUCTURE_BOTTOM_FIELD;
} else {
pic1.structure = VDP_VIDEO_MIXER_PICTURE_STRUCTURE_BOTTOM_FIELD;
pic1.structure = VDP_VIDEO_MIXER_PICTURE_STRUCTURE_TOP_FIELD;
}
pic1.timestamp = GST_BUFFER_TIMESTAMP (buf);
pic2.timestamp = pic1.timestamp + vpp->field_duration;
if (repeated) {
vpp->future_pictures[vpp->n_future_pictures++] = pic1;
pic1.timestamp = pic2.timestamp;
vpp->future_pictures[vpp->n_future_pictures++] = pic1;
gst_buffer_ref (GST_BUFFER (pic1.buf));
pic2.timestamp += vpp->field_duration;
vpp->future_pictures[vpp->n_future_pictures++] = pic2;
} else if (!onefield) {
vpp->future_pictures[vpp->n_future_pictures++] = pic1;
vpp->future_pictures[vpp->n_future_pictures++] = pic2;
} else {
vpp->future_pictures[vpp->n_future_pictures++] = pic1;
gst_buffer_unref (GST_BUFFER (pic2.buf));
}
}
static gint
gst_greatest_common_divisor (gint a, gint b)
{
while (b != 0) {
int temp = a;
a = b;
b = temp % b;
}
return ABS (a);
}
static gboolean
gst_fraction_double (gint * n_out, gint * d_out)
{
gint n, d, gcd;
n = *n_out;
d = *d_out;
if (d == 0)
return FALSE;
if (n == 0 || (n == G_MAXINT && d == 1))
return TRUE;
gcd = gst_greatest_common_divisor (n, d);
n /= gcd;
d /= gcd;
if (G_MAXINT / 2 >= ABS (n)) {
n *= 2;
} else if (d >= 2) {
d /= 2;
} else
return FALSE;
*n_out = n;
*d_out = d;
return TRUE;
}
static gboolean
gst_vdp_vpp_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstStructure *structure;
GstCaps *output_caps, *allowed_caps, *src_caps;
gboolean res;
/* extract interlaced flag */
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_boolean (structure, "interlaced", &vpp->interlaced);
output_caps = gst_vdp_video_to_output_caps (caps);
allowed_caps = gst_pad_get_allowed_caps (vpp->srcpad);
@ -107,23 +372,69 @@ gst_vdp_vpp_sink_setcaps (GstPad * pad, GstCaps * caps)
gst_caps_unref (output_caps);
gst_caps_unref (allowed_caps);
if (gst_vdp_vpp_is_interlaced (vpp)) {
gint fps_n, fps_d;
structure = gst_caps_get_structure (src_caps, 0);
if (!gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
gst_caps_unref (src_caps);
goto invalid_caps;
}
gst_fraction_double (&fps_n, &fps_d);
gst_structure_set (structure, "framerate", GST_TYPE_FRACTION, fps_n, fps_d,
NULL);
gst_structure_remove_field (structure, "interlaced");
vpp->field_duration = gst_util_uint64_scale (GST_SECOND, fps_d, fps_n);
}
res = gst_pad_set_caps (vpp->srcpad, src_caps);
done:
gst_object_unref (vpp);
return res;
invalid_caps:
GST_ERROR_OBJECT (vpp, "invalid caps: %" GST_PTR_FORMAT, caps);
res = FALSE;
goto done;
}
static void
gst_vdp_vpp_flush (GstVdpVideoPostProcess * vpp)
{
/* TODO: Write this */
gint i;
for (i = 0; i < vpp->n_future_pictures; i++) {
gst_vdp_picture_clear (vpp->future_pictures[i]);
}
vpp->n_future_pictures = 0;
for (i = 0; i < vpp->n_past_pictures; i++) {
gst_vdp_picture_clear (vpp->past_pictures[i]);
}
vpp->n_past_pictures = 0;
}
static void
gst_vdp_vpp_start (GstVdpVideoPostProcess * vpp)
{
gint i;
vpp->interlaced = FALSE;
vpp->field_duration = GST_CLOCK_TIME_NONE;
vpp->mixer = VDP_INVALID_HANDLE;
vpp->device = NULL;
for (i = 0; i < MAX_PICTURES; i++) {
vpp->future_pictures[i].buf = NULL;
vpp->past_pictures[i].buf = NULL;
}
vpp->n_future_pictures = 0;
vpp->n_past_pictures = 0;
}
static void
@ -133,6 +444,8 @@ gst_vdp_vpp_stop (GstVdpVideoPostProcess * vpp)
vpp->device->vdp_video_mixer_destroy (vpp->mixer);
if (!vpp->device)
g_object_unref (vpp->device);
gst_vdp_vpp_flush (vpp);
}
static GstFlowReturn
@ -176,8 +489,13 @@ gst_vdp_vpp_alloc_output_buffer (GstVdpVideoPostProcess * vpp, GstCaps * caps,
parameter_values[1] = &height;
parameter_values[2] = &chroma_type;
device = vpp->device = g_object_ref ((*outbuf)->device);
if (gst_vdp_vpp_is_interlaced (vpp)
&& vpp->method != GST_VDP_DEINTERLACE_METHOD_BOB) {
features[n_features++] =
gst_vdp_feature_from_deinterlace_method (vpp->method);
}
device = vpp->device = g_object_ref ((*outbuf)->device);
status =
device->vdp_video_mixer_create (device->device, n_features, features,
@ -203,7 +521,28 @@ gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstFlowReturn ret;
GstFlowReturn ret = GST_FLOW_OK;
GstVdpPicture current_pic;
guint32 video_surfaces_past_count;
VdpVideoSurface video_surfaces_past[MAX_PICTURES];
guint32 video_surfaces_future_count;
VdpVideoSurface video_surfaces_future[MAX_PICTURES];
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))) {
GST_DEBUG_OBJECT (vpp, "Received discont buffer");
gst_vdp_vpp_flush (vpp);
}
gst_vdp_vpp_add_buffer (vpp, GST_VDP_VIDEO_BUFFER (buffer));
while (gst_vdp_vpp_get_next_picture (vpp,
&current_pic,
&video_surfaces_past_count, video_surfaces_past,
&video_surfaces_future_count, video_surfaces_future)) {
GstVdpOutputBuffer *outbuf;
GstStructure *structure;
@ -213,16 +552,11 @@ gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
GstVdpDevice *device;
VdpStatus status;
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))) {
GST_DEBUG_OBJECT (vpp, "Received discont buffer");
gst_vdp_vpp_flush (vpp);
}
ret =
gst_vdp_vpp_alloc_output_buffer (vpp, GST_PAD_CAPS (vpp->srcpad),
&outbuf);
if (ret != GST_FLOW_OK)
goto done;
break;
structure = gst_caps_get_structure (GST_BUFFER_CAPS (buffer), 0);
if (!gst_structure_get_int (structure, "width", &src_r.w) ||
@ -250,10 +584,11 @@ gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
}
device = vpp->device;
status = device->vdp_video_mixer_render (vpp->mixer, VDP_INVALID_HANDLE, NULL,
VDP_VIDEO_MIXER_PICTURE_STRUCTURE_FRAME, 0, NULL,
GST_VDP_VIDEO_BUFFER (buffer)->surface, 0, NULL, NULL, outbuf->surface,
NULL, &rect, 0, NULL);
status =
device->vdp_video_mixer_render (vpp->mixer, VDP_INVALID_HANDLE, NULL,
current_pic.structure, video_surfaces_past_count, video_surfaces_past,
current_pic.buf->surface, video_surfaces_future_count,
video_surfaces_future, NULL, outbuf->surface, NULL, &rect, 0, NULL);
if (status != VDP_STATUS_OK) {
GST_ELEMENT_ERROR (vpp, RESOURCE, READ,
("Could not post process frame"),
@ -263,21 +598,37 @@ gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
goto done;
}
gst_buffer_copy_metadata (GST_BUFFER (outbuf), buffer,
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS);
GST_BUFFER_TIMESTAMP (outbuf) = current_pic.timestamp;
if (gst_vdp_vpp_is_interlaced (vpp))
GST_BUFFER_DURATION (outbuf) = vpp->field_duration;
else
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (current_pic.buf);
if (GST_BUFFER_FLAG_IS_SET (current_pic.buf, GST_BUFFER_FLAG_DISCONT))
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
if (GST_BUFFER_FLAG_IS_SET (current_pic.buf, GST_BUFFER_FLAG_PREROLL))
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_PREROLL);
if (GST_BUFFER_FLAG_IS_SET (current_pic.buf, GST_BUFFER_FLAG_GAP))
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP);
ret = gst_pad_push (vpp->srcpad, GST_BUFFER (outbuf));
if (ret != GST_FLOW_OK)
break;
continue;
invalid_caps:
gst_buffer_unref (GST_BUFFER (outbuf));
ret = GST_FLOW_ERROR;
break;
}
done:
gst_buffer_unref (buffer);
gst_object_unref (vpp);
return ret;
invalid_caps:
gst_buffer_unref (GST_BUFFER (outbuf));
ret = GST_FLOW_ERROR;
goto done;
}
static GstCaps *
@ -418,6 +769,12 @@ gst_vdp_vpp_get_property (GObject * object, guint property_id, GValue * value,
case PROP_FORCE_ASPECT_RATIO:
g_value_set_boolean (value, vpp->force_aspect_ratio);
break;
case PROP_DEINTERLACE_MODE:
g_value_set_enum (value, vpp->mode);
break;
case PROP_DEINTERLACE_METHOD:
g_value_set_enum (value, vpp->method);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -435,6 +792,29 @@ gst_vdp_vpp_set_property (GObject * object, guint property_id,
case PROP_FORCE_ASPECT_RATIO:
vpp->force_aspect_ratio = g_value_get_boolean (value);
break;
case PROP_DEINTERLACE_MODE:
vpp->mode = g_value_get_enum (value);
break;
case PROP_DEINTERLACE_METHOD:
vpp->method = g_value_get_enum (value);
if (vpp->method != GST_VDP_DEINTERLACE_METHOD_BOB && vpp->device) {
VdpVideoMixerFeature features[1];
VdpBool enable[1];
VdpStatus status;
features[0] = gst_vdp_feature_from_deinterlace_method (vpp->method);
enable[0] = TRUE;
status =
vpp->device->vdp_video_mixer_set_feature_enables (vpp->mixer, 1,
features, enable);
if (status != VDP_STATUS_OK) {
GST_WARNING_OBJECT (vpp, "Couldn't set deinterlace method on mixer, "
"error returned from vdpau was: %s",
vpp->device->vdp_get_error_string (status));
}
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -480,6 +860,18 @@ gst_vdp_vpp_class_init (GstVdpVideoPostProcessClass * klass)
"maximum size where the aspect ratio can be preserved", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DEINTERLACE_MODE,
g_param_spec_enum ("mode", "Deinterlace mode",
"Specifies if the element should deinterlace or not",
GST_TYPE_VDP_DEINTERLACE_MODES, GST_VDP_DEINTERLACE_MODE_AUTO,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DEINTERLACE_METHOD,
g_param_spec_enum ("method", "Deinterlace method",
"Specifies which deinterlace method to use",
GST_TYPE_VDP_DEINTERLACE_METHODS, GST_VDP_DEINTERLACE_METHOD_BOB,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = gst_vdp_vpp_change_state;
}
@ -487,7 +879,11 @@ static void
gst_vdp_vpp_init (GstVdpVideoPostProcess * vpp,
GstVdpVideoPostProcessClass * gclass)
{
vpp->device = NULL;
vpp->force_aspect_ratio = FALSE;
vpp->mode = GST_VDP_DEINTERLACE_MODE_AUTO;
vpp->method = GST_VDP_DEINTERLACE_METHOD_BOB;
/* SRC PAD */
vpp->srcpad = gst_pad_new_from_static_template (&src_template, "src");

35
sys/vdpau/gstvdpvideopostprocess.h
View file

@ -27,6 +27,30 @@
G_BEGIN_DECLS
#define MAX_PICTURES 6
typedef struct _GstVdpPicture GstVdpPicture;
struct _GstVdpPicture
{
GstVdpVideoBuffer *buf;
VdpVideoMixerPictureStructure structure;
GstClockTime timestamp;
};
typedef enum
{
GST_VDP_DEINTERLACE_MODE_AUTO,
GST_VDP_DEINTERLACE_MODE_INTERLACED,
GST_VDP_DEINTERLACE_MODE_DISABLED
} GstVdpDeinterlaceModes;
typedef enum
{
GST_VDP_DEINTERLACE_METHOD_BOB,
GST_VDP_DEINTERLACE_METHOD_TEMPORAL,
GST_VDP_DEINTERLACE_METHOD_TEMPORAL_SPATIAL
} GstVdpDeinterlaceMethods;
#define GST_TYPE_VDP_VIDEO_POST_PROCESS (gst_vdp_vpp_get_type())
#define GST_VDP_VIDEO_POST_PROCESS(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VDP_VIDEO_POST_PROCESS,GstVdpVideoPostProcess))
#define GST_VDP_VIDEO_POST_PROCESS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VDP_VIDEO_POST_PROCESS,GstVdpVideoPostProcessClass))
@ -42,10 +66,21 @@ struct _GstVdpVideoPostProcess
GstPad *sinkpad, *srcpad;
gboolean interlaced;
GstClockTime field_duration;
GstVdpDevice *device;
VdpVideoMixer mixer;
GstVdpPicture future_pictures[MAX_PICTURES];
guint n_future_pictures;
GstVdpPicture past_pictures[MAX_PICTURES];
guint n_past_pictures;
gboolean force_aspect_ratio;
GstVdpDeinterlaceModes mode;
GstVdpDeinterlaceMethods method;
};
struct _GstVdpVideoPostProcessClass