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gstreamer/sys/vdpau/gstvdpvideopostprocess.c
Thibault Saunier 78022a6e0c docs: Port all docstring to gtk-doc markdown
2017-04-12 12:57:57 -03:00

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/*
* GStreamer
* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-vdpauvideopostprocess
* @title: vdpauvideopostprocess
*
* FIXME:Describe vdpaumpegdec here.
*
* ## Example launch line
* |[
* gst-launch-1.0 -v -m fakesrc ! vdpauvideopostprocess ! fakesink silent=TRUE
* ]|
*
*/
/*
* TODO:
* + add support for more postprocessing options
* + mixing videos. (This should perhaps be done in a separate element based on
* VdpOutputSurface)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gst/gst.h>
#include "gstvdpoutputbuffer.h"
#include "gstvdpvideopostprocess.h"
GST_DEBUG_CATEGORY_STATIC (gst_vdp_vpp_debug);
#define GST_CAT_DEFAULT gst_vdp_vpp_debug
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_DISPLAY,
PROP_FORCE_ASPECT_RATIO,
PROP_DEINTERLACE_MODE,
PROP_DEINTERLACE_METHOD,
PROP_NOISE_REDUCTION,
PROP_SHARPENING,
PROP_INVERSE_TELECINE
};
G_DEFINE_TYPE (GstVdpVideoPostProcess, gst_vdp_vpp, GST_TYPE_ELEMENT);
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 void
gst_vdp_vpp_set_attribute_float (GstVdpVideoPostProcess * vpp,
VdpVideoMixerAttribute attribute, gfloat value)
{
VdpVideoMixerAttribute attributes[1];
const void *attribute_values[1];
VdpStatus status;
attributes[0] = attribute;
attribute_values[0] = &value;
status =
vpp->device->vdp_video_mixer_set_attribute_values (vpp->mixer, 1,
attributes, attribute_values);
if (status != VDP_STATUS_OK) {
GST_WARNING_OBJECT (vpp,
"Couldn't set noise reduction level on mixer, "
"error returned from vdpau was: %s",
vpp->device->vdp_get_error_string (status));
}
}
static void
gst_vdp_vpp_activate_feature (GstVdpVideoPostProcess * vpp,
VdpVideoMixerFeature feature, gboolean activate)
{
VdpVideoMixerFeature features[1];
VdpBool enable[1];
VdpStatus status;
features[0] = feature;
if (activate)
enable[0] = VDP_TRUE;
else
enable[0] = VDP_FALSE;
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));
}
}
static VdpVideoMixerFeature
gst_vdp_feature_from_deinterlace_method (GstVdpDeinterlaceMethods method)
{
gint i;
VdpVideoMixerFeature feature = 0;
typedef struct
{
GstVdpDeinterlaceMethods method;
VdpVideoMixerFeature feature;
} VdpDeinterlaceMethod;
static const VdpDeinterlaceMethod deinterlace_methods[] = {
{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_vpp_activate_deinterlace_method (GstVdpVideoPostProcess * vpp,
GstVdpDeinterlaceMethods method, gboolean activate)
{
gst_vdp_vpp_activate_feature (vpp,
gst_vdp_feature_from_deinterlace_method (method), activate);
}
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;
if (vpp->noise_reduction != 0.0)
return 2;
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 = 2;
break;
default:
g_assert_not_reached ();
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;
pic2.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 void
gst_vdp_vpp_post_error (GstVdpVideoPostProcess * vpp, GError * error)
{
GstMessage *message;
message = gst_message_new_error (GST_OBJECT (vpp), error, NULL);
gst_element_post_message (GST_ELEMENT (vpp), message);
g_error_free (error);
}
static GstFlowReturn
gst_vdp_vpp_create_mixer (GstVdpVideoPostProcess * vpp)
{
#define VDP_NUM_MIXER_PARAMETER 3
#define MAX_NUM_FEATURES 5
VdpStatus status;
GstVdpDevice *device;
VdpVideoMixerFeature features[5];
guint n_features = 0;
VdpVideoMixerParameter parameters[VDP_NUM_MIXER_PARAMETER] = {
VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_WIDTH,
VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_HEIGHT,
VDP_VIDEO_MIXER_PARAMETER_CHROMA_TYPE
};
const void *parameter_values[VDP_NUM_MIXER_PARAMETER];
parameter_values[0] = &vpp->width;
parameter_values[1] = &vpp->height;
parameter_values[2] = &vpp->chroma_type;
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);
}
if (vpp->noise_reduction > 0.0)
features[n_features++] = VDP_VIDEO_MIXER_FEATURE_NOISE_REDUCTION;
if (vpp->sharpening != 0.0)
features[n_features++] = VDP_VIDEO_MIXER_FEATURE_SHARPNESS;
if (vpp->inverse_telecine)
features[n_features++] = VDP_VIDEO_MIXER_FEATURE_INVERSE_TELECINE;
device = vpp->device;
status =
device->vdp_video_mixer_create (device->device, n_features, features,
VDP_NUM_MIXER_PARAMETER, parameters, parameter_values, &vpp->mixer);
if (status != VDP_STATUS_OK) {
GST_ELEMENT_ERROR (vpp, RESOURCE, READ,
("Could not create vdpau video mixer"),
("Error returned from vdpau was: %s",
device->vdp_get_error_string (status)));
return GST_FLOW_ERROR;
}
if (vpp->noise_reduction > 0.0) {
gst_vdp_vpp_set_attribute_float (vpp,
VDP_VIDEO_MIXER_ATTRIBUTE_NOISE_REDUCTION_LEVEL, vpp->noise_reduction);
}
if (vpp->sharpening != 0.0) {
gst_vdp_vpp_set_attribute_float (vpp,
VDP_VIDEO_MIXER_ATTRIBUTE_SHARPNESS_LEVEL, vpp->sharpening);
}
return GST_FLOW_OK;
}
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 *video_caps = NULL;
gboolean res = FALSE;
GstCaps *allowed_caps, *output_caps, *src_caps;
/* check if the input is non native */
structure = gst_caps_get_structure (caps, 0);
if (gst_structure_has_name (structure, "video/x-raw-yuv")) {
if (!gst_structure_get_fourcc (structure, "format", &vpp->fourcc))
goto done;
vpp->native_input = FALSE;
video_caps = gst_vdp_yuv_to_video_caps (caps);
if (!video_caps)
goto done;
if (!vpp->vpool)
vpp->vpool = gst_vdp_video_buffer_pool_new (vpp->device);
gst_vdp_buffer_pool_set_caps (vpp->vpool, video_caps);
} else {
vpp->native_input = TRUE;
video_caps = gst_caps_ref (caps);
if (vpp->vpool) {
g_object_unref (vpp->vpool);
vpp->vpool = NULL;
}
}
structure = gst_caps_get_structure (video_caps, 0);
if (!gst_structure_get_int (structure, "width", &vpp->width) ||
!gst_structure_get_int (structure, "height", &vpp->height) ||
!gst_structure_get_int (structure, "chroma-type",
(gint *) & vpp->chroma_type))
goto done;
/* get interlaced flag */
gst_structure_get_boolean (structure, "interlaced", &vpp->interlaced);
/* extract par */
if (gst_structure_has_field_typed (structure, "pixel-aspect-ratio",
GST_TYPE_FRACTION)) {
gst_structure_get_fraction (structure, "pixel-aspect-ratio", &vpp->par_n,
&vpp->par_d);
vpp->got_par = TRUE;
} else
vpp->got_par = FALSE;
allowed_caps = gst_pad_get_allowed_caps (vpp->srcpad);
if (G_UNLIKELY (!allowed_caps))
goto null_allowed_caps;
if (G_UNLIKELY (gst_caps_is_empty (allowed_caps)))
goto empty_allowed_caps;
GST_DEBUG ("allowed_caps: %" GST_PTR_FORMAT, allowed_caps);
output_caps = gst_vdp_video_to_output_caps (video_caps);
src_caps = gst_caps_intersect (output_caps, allowed_caps);
gst_caps_unref (allowed_caps);
gst_caps_unref (output_caps);
if (gst_caps_is_empty (src_caps))
goto not_negotiated;
gst_pad_fixate_caps (vpp->srcpad, src_caps);
if (gst_vdp_vpp_is_interlaced (vpp)) {
gint fps_n, fps_d;
if (gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
gst_fraction_double (&fps_n, &fps_d);
gst_caps_set_simple (src_caps, "framerate", GST_TYPE_FRACTION, fps_n,
fps_d, NULL);
vpp->field_duration = gst_util_uint64_scale (GST_SECOND, fps_d, fps_n);
}
gst_caps_set_simple (src_caps, "interlaced", G_TYPE_BOOLEAN, FALSE, NULL);
}
GST_DEBUG ("src_caps: %" GST_PTR_FORMAT, src_caps);
res = gst_pad_set_caps (vpp->srcpad, src_caps);
gst_caps_unref (src_caps);
done:
gst_object_unref (vpp);
if (video_caps)
gst_caps_unref (video_caps);
return res;
null_allowed_caps:
GST_ERROR_OBJECT (vpp, "Got null from gst_pad_get_allowed_caps");
goto done;
empty_allowed_caps:
GST_ERROR_OBJECT (vpp, "Got EMPTY caps from gst_pad_get_allowed_caps");
gst_caps_unref (allowed_caps);
goto done;
not_negotiated:
gst_caps_unref (src_caps);
GST_ERROR_OBJECT (vpp, "Couldn't find suitable output format");
goto done;
}
static void
gst_vdp_vpp_flush (GstVdpVideoPostProcess * vpp)
{
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 gboolean
gst_vdp_vpp_start (GstVdpVideoPostProcess * vpp)
{
gint i;
GError *err;
vpp->interlaced = FALSE;
vpp->field_duration = GST_CLOCK_TIME_NONE;
vpp->earliest_time = GST_CLOCK_TIME_NONE;
vpp->discont = FALSE;
vpp->mixer = VDP_INVALID_HANDLE;
vpp->vpool = 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;
err = NULL;
vpp->device = gst_vdp_get_device (vpp->display, &err);
if (G_UNLIKELY (!vpp->device))
goto device_error;
g_object_set (G_OBJECT (vpp->srcpad), "device", vpp->device, NULL);
return TRUE;
device_error:
gst_vdp_vpp_post_error (vpp, err);
return FALSE;
}
static gboolean
gst_vdp_vpp_stop (GstVdpVideoPostProcess * vpp)
{
gst_vdp_vpp_flush (vpp);
if (vpp->vpool)
g_object_unref (vpp->vpool);
if (vpp->mixer != VDP_INVALID_HANDLE) {
GstVdpDevice *device = vpp->device;
VdpStatus status;
status = device->vdp_video_mixer_destroy (vpp->mixer);
if (status != VDP_STATUS_OK) {
GST_ELEMENT_ERROR (vpp, RESOURCE, READ,
("Could not destroy vdpau decoder"),
("Error returned from vdpau was: %s",
device->vdp_get_error_string (status)));
return FALSE;
}
}
return TRUE;
}
static GstFlowReturn
gst_vdp_vpp_drain (GstVdpVideoPostProcess * vpp)
{
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];
GstFlowReturn ret;
while (gst_vdp_vpp_get_next_picture (vpp,
&current_pic,
&video_surfaces_past_count, video_surfaces_past,
&video_surfaces_future_count, video_surfaces_future)) {
GError *err;
GstVdpOutputBuffer *outbuf;
GstStructure *structure;
GstVideoRectangle src_r = { 0, };
GstVideoRectangle dest_r = { 0, };
VdpRect rect;
GstVdpDevice *device;
VdpStatus status;
err = NULL;
ret =
gst_vdp_output_src_pad_alloc_buffer ((GstVdpOutputSrcPad *) vpp->srcpad,
&outbuf, &err);
if (ret != GST_FLOW_OK)
goto output_pad_error;
src_r.w = vpp->width;
src_r.h = vpp->height;
if (vpp->got_par) {
gint new_width;
new_width = gst_util_uint64_scale_int (src_r.w, vpp->par_n, vpp->par_d);
src_r.x += (src_r.w - new_width) / 2;
src_r.w = new_width;
}
structure = gst_caps_get_structure (GST_BUFFER_CAPS (outbuf), 0);
if (!gst_structure_get_int (structure, "width", &dest_r.w) ||
!gst_structure_get_int (structure, "height", &dest_r.h))
goto invalid_caps;
if (vpp->force_aspect_ratio) {
GstVideoRectangle res_r = { 0, };
gst_video_sink_center_rect (src_r, dest_r, &res_r, TRUE);
rect.x0 = res_r.x;
rect.x1 = res_r.w + res_r.x;
rect.y0 = res_r.y;
rect.y1 = res_r.h + res_r.y;
} else {
rect.x0 = 0;
rect.x1 = dest_r.w;
rect.y0 = 0;
rect.y1 = dest_r.h;
}
device = vpp->device;
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)
goto render_error;
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);
err = NULL;
ret =
gst_vdp_output_src_pad_push ((GstVdpOutputSrcPad *) vpp->srcpad,
outbuf, &err);
if (ret != GST_FLOW_OK)
goto output_pad_error;
continue;
invalid_caps:
gst_buffer_unref (GST_BUFFER (outbuf));
GST_ELEMENT_ERROR (vpp, STREAM, FAILED, ("Invalid output caps"), (NULL));
ret = GST_FLOW_ERROR;
break;
render_error:
gst_buffer_unref (GST_BUFFER (outbuf));
GST_ELEMENT_ERROR (vpp, RESOURCE, READ,
("Could not postprocess frame"),
("Error returned from vdpau was: %s",
device->vdp_get_error_string (status)));
ret = GST_FLOW_ERROR;
break;
output_pad_error:
if (ret == GST_FLOW_ERROR && err != NULL)
gst_vdp_vpp_post_error (vpp, err);
break;
}
return ret;
}
static GstFlowReturn
gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstClockTime qostime;
GstFlowReturn ret = GST_FLOW_OK;
GError *err;
GST_DEBUG ("chain");
/* can only do QoS if the segment is in TIME */
if (vpp->segment.format != GST_FORMAT_TIME)
goto no_qos;
/* QOS is done on the running time of the buffer, get it now */
qostime = gst_segment_to_running_time (&vpp->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buffer));
if (qostime != -1) {
gboolean need_skip;
GstClockTime earliest_time;
/* lock for getting the QoS parameters that are set (in a different thread)
* with the QOS events */
GST_OBJECT_LOCK (vpp);
earliest_time = vpp->earliest_time;
/* check for QoS, don't perform conversion for buffers
* that are known to be late. */
need_skip = GST_CLOCK_TIME_IS_VALID (earliest_time) && qostime != -1 &&
qostime <= earliest_time;
GST_OBJECT_UNLOCK (vpp);
if (need_skip) {
GST_DEBUG_OBJECT (vpp, "skipping transform: qostime %"
GST_TIME_FORMAT " <= %" GST_TIME_FORMAT,
GST_TIME_ARGS (qostime), GST_TIME_ARGS (earliest_time));
/* mark discont for next buffer */
vpp->discont = TRUE;
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
}
no_qos:
if (vpp->discont) {
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
vpp->discont = FALSE;
}
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);
}
if (!vpp->native_input) {
GstVdpVideoBuffer *video_buf;
err = NULL;
video_buf =
(GstVdpVideoBuffer *) gst_vdp_buffer_pool_get_buffer (vpp->vpool, &err);
if (G_UNLIKELY (!video_buf))
goto video_buf_error;
if (!gst_vdp_video_buffer_upload (video_buf, buffer, vpp->fourcc,
vpp->width, vpp->height)) {
gst_buffer_unref (GST_BUFFER (video_buf));
GST_ELEMENT_ERROR (vpp, RESOURCE, READ,
("Couldn't upload YUV data to vdpau"), (NULL));
ret = GST_FLOW_ERROR;
goto error;
}
gst_buffer_copy_metadata (GST_BUFFER (video_buf), buffer,
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS);
gst_buffer_unref (buffer);
buffer = GST_BUFFER (video_buf);
}
if (G_UNLIKELY (vpp->mixer == VDP_INVALID_HANDLE)) {
ret = gst_vdp_vpp_create_mixer (vpp);
if (ret != GST_FLOW_OK)
goto error;
}
gst_vdp_vpp_add_buffer (vpp, GST_VDP_VIDEO_BUFFER (buffer));
ret = gst_vdp_vpp_drain (vpp);
done:
gst_object_unref (vpp);
return ret;
error:
gst_buffer_unref (buffer);
goto done;
video_buf_error:
gst_buffer_unref (GST_BUFFER (buffer));
gst_vdp_vpp_post_error (vpp, err);
ret = GST_FLOW_ERROR;
goto done;
}
static GstCaps *
gst_vdp_vpp_sink_getcaps (GstPad * pad)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstCaps *caps;
if (vpp->device) {
caps = gst_vdp_video_buffer_get_allowed_caps (vpp->device);
} else {
GstElementClass *element_class = GST_ELEMENT_GET_CLASS (vpp);
GstPadTemplate *sink_template;
sink_template = gst_element_class_get_pad_template (element_class, "sink");
caps = gst_caps_copy (gst_pad_template_get_caps (sink_template));
}
GST_DEBUG ("returning caps: %" GST_PTR_FORMAT, caps);
gst_object_unref (vpp);
return caps;
}
static gboolean
gst_vdp_vpp_src_event (GstPad * pad, GstEvent * event)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, &timestamp);
GST_OBJECT_LOCK (vpp);
vpp->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (vpp);
res = gst_pad_event_default (pad, event);
break;
}
default:
res = gst_pad_event_default (pad, event);
}
gst_object_unref (vpp);
return res;
}
static gboolean
gst_vdp_vpp_sink_event (GstPad * pad, GstEvent * event)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
{
GST_DEBUG_OBJECT (vpp, "flush stop");
gst_vdp_vpp_flush (vpp);
res = gst_pad_event_default (pad, event);
break;
}
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate, applied_rate;
GstFormat format;
gint64 start, stop, time;
gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
&format, &start, &stop, &time);
GST_OBJECT_LOCK (vpp);
gst_segment_set_newsegment_full (&vpp->segment, update, rate,
applied_rate, format, start, stop, time);
GST_OBJECT_UNLOCK (vpp);
res = gst_pad_event_default (pad, event);
break;
}
default:
res = gst_pad_event_default (pad, event);
}
gst_object_unref (vpp);
return res;
}
static GstStateChangeReturn
gst_vdp_vpp_change_state (GstElement * element, GstStateChange transition)
{
GstVdpVideoPostProcess *vpp;
GstStateChangeReturn ret;
vpp = GST_VDP_VIDEO_POST_PROCESS (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (!gst_vdp_vpp_start (vpp))
return GST_STATE_CHANGE_FAILURE;
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (!gst_vdp_vpp_stop (vpp))
ret = GST_STATE_CHANGE_FAILURE;
break;
default:
break;
}
return ret;
}
/* GObject vmethod implementations */
static void
gst_vdp_vpp_get_property (GObject * object, guint property_id, GValue * value,
GParamSpec * pspec)
{
GstVdpVideoPostProcess *vpp = GST_VDP_VIDEO_POST_PROCESS (object);
switch (property_id) {
case PROP_DISPLAY:
g_value_set_string (value, vpp->display);
break;
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;
case PROP_NOISE_REDUCTION:
g_value_set_float (value, vpp->noise_reduction);
break;
case PROP_SHARPENING:
g_value_set_float (value, vpp->sharpening);
break;
case PROP_INVERSE_TELECINE:
g_value_set_boolean (value, vpp->inverse_telecine);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
/* GObject vmethod implementations */
static void
gst_vdp_vpp_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GstVdpVideoPostProcess *vpp = GST_VDP_VIDEO_POST_PROCESS (object);
switch (property_id) {
case PROP_DISPLAY:
g_free (vpp->display);
vpp->display = g_value_dup_string (value);
break;
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:
{
GstVdpDeinterlaceMethods oldvalue;
oldvalue = vpp->method;
vpp->method = g_value_get_enum (value);
if (oldvalue == vpp->method)
break;
if (vpp->mixer != VDP_INVALID_HANDLE) {
if (oldvalue != GST_VDP_DEINTERLACE_METHOD_BOB)
gst_vdp_vpp_activate_deinterlace_method (vpp, oldvalue, FALSE);
if (vpp->method != GST_VDP_DEINTERLACE_METHOD_BOB)
gst_vdp_vpp_activate_deinterlace_method (vpp, oldvalue, TRUE);
}
break;
}
case PROP_NOISE_REDUCTION:
{
gfloat old_value;
old_value = vpp->noise_reduction;
vpp->noise_reduction = g_value_get_float (value);
if (vpp->noise_reduction == old_value)
break;
if (vpp->mixer != VDP_INVALID_HANDLE) {
if (vpp->noise_reduction == 0.0)
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_NOISE_REDUCTION, FALSE);
if (old_value == 0.0)
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_NOISE_REDUCTION, TRUE);
gst_vdp_vpp_set_attribute_float (vpp,
VDP_VIDEO_MIXER_ATTRIBUTE_NOISE_REDUCTION_LEVEL,
vpp->noise_reduction);
}
break;
}
case PROP_SHARPENING:
{
gfloat old_value;
old_value = vpp->sharpening;
vpp->sharpening = g_value_get_float (value);
if (vpp->sharpening == old_value)
break;
if (vpp->mixer != VDP_INVALID_HANDLE) {
if (vpp->sharpening == 0.0)
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_SHARPNESS, FALSE);
if (old_value == 0.0)
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_SHARPNESS, TRUE);
gst_vdp_vpp_set_attribute_float (vpp,
VDP_VIDEO_MIXER_ATTRIBUTE_SHARPNESS_LEVEL, vpp->sharpening);
}
break;
}
case PROP_INVERSE_TELECINE:
{
vpp->inverse_telecine = g_value_get_boolean (value);
if (vpp->mixer != VDP_INVALID_HANDLE) {
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_INVERSE_TELECINE, vpp->inverse_telecine);
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
/* GType vmethod implementations */
/* initialize the vdpaumpegdecoder's class */
static void
gst_vdp_vpp_class_init (GstVdpVideoPostProcessClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstCaps *src_caps, *sink_caps;
GstPadTemplate *src_template, *sink_template;
GST_DEBUG_CATEGORY_INIT (gst_vdp_vpp_debug, "vdpauvideopostprocess", 0,
"VDPAU video surface to output surface");
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->get_property = gst_vdp_vpp_get_property;
gobject_class->set_property = gst_vdp_vpp_set_property;
gobject_class->finalize = gst_vdp_vpp_finalize;
g_object_class_install_property (gobject_class, PROP_DISPLAY,
g_param_spec_string ("display", "Display", "X Display name",
NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
g_object_class_install_property (gobject_class, PROP_FORCE_ASPECT_RATIO,
g_param_spec_boolean ("force-aspect-ratio", "Force aspect ratio",
"When enabled, the plugin will only scale up the input surface to the"
"maximum size where the aspect ratio can be preserved", TRUE,
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));
g_object_class_install_property (gobject_class, PROP_NOISE_REDUCTION,
g_param_spec_float ("noise-reduction", "Noise reduction",
"The amount of noise reduction that should be done", 0.0, 1.0, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SHARPENING,
g_param_spec_float ("sharpening", "Sharpening",
"The amount of sharpening or blurring to be applied", -1.0, 1.0, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_INVERSE_TELECINE,
g_param_spec_boolean ("inverse-telecine", "Inverse telecine",
"Whether inverse telecine should be used", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (gstelement_class,
"VdpauVideoPostProcess",
"Filter/Converter/Decoder/Video",
"Post process GstVdpVideoBuffers and output GstVdpOutputBuffers",
"Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>");
gstelement_class->change_state = gst_vdp_vpp_change_state;
/* SRC PAD */
src_caps = gst_vdp_output_buffer_get_template_caps ();
src_template = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
src_caps);
gst_element_class_add_pad_template (gstelement_class, src_template);
gst_caps_unref (src_caps);
/* SINK PAD */
sink_caps = gst_vdp_video_buffer_get_caps (FALSE, 0);
sink_template = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
sink_caps);
gst_element_class_add_pad_template (gstelement_class, sink_template);
gst_caps_unref (sink_caps);
}
static void
gst_vdp_vpp_init (GstVdpVideoPostProcess * vpp)
{
GstPadTemplate *src_template, *sink_template;
vpp->device = NULL;
vpp->mixer = VDP_INVALID_HANDLE;
vpp->display = NULL;
vpp->force_aspect_ratio = FALSE;
vpp->mode = GST_VDP_DEINTERLACE_MODE_AUTO;
vpp->method = GST_VDP_DEINTERLACE_METHOD_BOB;
vpp->noise_reduction = 0.0;
vpp->sharpening = 0.0;
/* SRC PAD */
src_template =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (gclass), "src");
vpp->srcpad = GST_PAD (gst_vdp_output_src_pad_new (src_template, "src"));
gst_element_add_pad (GST_ELEMENT (vpp), vpp->srcpad);
gst_pad_set_event_function (vpp->srcpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_src_event));
/* SINK PAD */
sink_template =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (gclass), "sink");
vpp->sinkpad = gst_pad_new_from_template (sink_template, "sink");
gst_element_add_pad (GST_ELEMENT (vpp), vpp->sinkpad);
gst_pad_set_getcaps_function (vpp->sinkpad, gst_vdp_vpp_sink_getcaps);
gst_pad_set_setcaps_function (vpp->sinkpad, gst_vdp_vpp_sink_setcaps);
gst_pad_set_chain_function (vpp->sinkpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_chain));
gst_pad_set_event_function (vpp->sinkpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_sink_event));
}
static void
gst_vdp_vpp_finalize (GObject * object)
{
}
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