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gstreamer/gst/vaapi/gstvaapipostproc.c
Sebastian Dröge 76e9ad8646 vaapipostproc: Allow running without VPP support 
We returned FALSE from ::start() if VPP support is not available, but it
is only really needed for complex filters and during transform we check
for that. For simple deinterlacing it is not needed.
2017-10-03 12:04:42 +02:00

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59 KiB
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/*
* gstvaapipostproc.c - VA-API video postprocessing
*
* Copyright (C) 2012-2014 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* SECTION:element-vaapipostproc
* @short_description: A VA-API base video postprocessing filter
*
* vaapipostproc consists in various postprocessing algorithms to be
* applied to VA surfaces.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch-1.0 videotestsrc ! vaapipostproc ! video/x-raw width=1920, height=1080 ! vaapisink
* ]|
* </refsect2>
*/
#include "gstcompat.h"
#include <gst/video/video.h>
#include "gstvaapipostproc.h"
#include "gstvaapipostprocutil.h"
#include "gstvaapipluginutil.h"
#include "gstvaapivideobuffer.h"
#include "gstvaapivideobufferpool.h"
#include "gstvaapivideomemory.h"
#define GST_PLUGIN_NAME "vaapipostproc"
#define GST_PLUGIN_DESC "A VA-API video postprocessing filter"
GST_DEBUG_CATEGORY_STATIC (gst_debug_vaapipostproc);
#ifndef GST_DISABLE_GST_DEBUG
#define GST_CAT_DEFAULT gst_debug_vaapipostproc
#else
#define GST_CAT_DEFAULT NULL
#endif
/* Default templates */
/* *INDENT-OFF* */
static const char gst_vaapipostproc_sink_caps_str[] =
GST_VAAPI_MAKE_SURFACE_CAPS ", "
GST_CAPS_INTERLACED_MODES "; "
GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ", "
GST_CAPS_INTERLACED_MODES;
/* *INDENT-ON* */
/* *INDENT-OFF* */
static const char gst_vaapipostproc_src_caps_str[] =
GST_VAAPI_MAKE_SURFACE_CAPS ", "
GST_CAPS_INTERLACED_FALSE "; "
#if (USE_GLX || USE_EGL)
GST_VAAPI_MAKE_GLTEXUPLOAD_CAPS "; "
#endif
GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ", "
GST_CAPS_INTERLACED_MODES "; "
GST_VAAPI_MAKE_DMABUF_CAPS;
/* *INDENT-ON* */
/* *INDENT-OFF* */
static GstStaticPadTemplate gst_vaapipostproc_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (gst_vaapipostproc_sink_caps_str));
/* *INDENT-ON* */
/* *INDENT-OFF* */
static GstStaticPadTemplate gst_vaapipostproc_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (gst_vaapipostproc_src_caps_str));
/* *INDENT-ON* */
static void gst_vaapipostproc_colorbalance_init (gpointer iface, gpointer data);
G_DEFINE_TYPE_WITH_CODE (GstVaapiPostproc, gst_vaapipostproc,
GST_TYPE_BASE_TRANSFORM, GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES
G_IMPLEMENT_INTERFACE (GST_TYPE_COLOR_BALANCE,
gst_vaapipostproc_colorbalance_init));
GST_VAAPI_PLUGIN_BASE_DEFINE_SET_CONTEXT (gst_vaapipostproc_parent_class);
static GstVideoFormat native_formats[] =
{ GST_VIDEO_FORMAT_NV12, GST_VIDEO_FORMAT_YV12, GST_VIDEO_FORMAT_I420 };
enum
{
PROP_0,
PROP_FORMAT,
PROP_WIDTH,
PROP_HEIGHT,
PROP_FORCE_ASPECT_RATIO,
PROP_DEINTERLACE_MODE,
PROP_DEINTERLACE_METHOD,
PROP_DENOISE,
PROP_SHARPEN,
PROP_HUE,
PROP_SATURATION,
PROP_BRIGHTNESS,
PROP_CONTRAST,
PROP_SCALE_METHOD,
PROP_SKIN_TONE_ENHANCEMENT,
};
#define GST_VAAPI_TYPE_DEINTERLACE_MODE \
gst_vaapi_deinterlace_mode_get_type()
static GType
gst_vaapi_deinterlace_mode_get_type (void)
{
static GType deinterlace_mode_type = 0;
static const GEnumValue mode_types[] = {
{GST_VAAPI_DEINTERLACE_MODE_AUTO,
"Auto detection", "auto"},
{GST_VAAPI_DEINTERLACE_MODE_INTERLACED,
"Force deinterlacing", "interlaced"},
{GST_VAAPI_DEINTERLACE_MODE_DISABLED,
"Never deinterlace", "disabled"},
{0, NULL, NULL},
};
if (!deinterlace_mode_type) {
deinterlace_mode_type =
g_enum_register_static ("GstVaapiDeinterlaceMode", mode_types);
}
return deinterlace_mode_type;
}
static void
ds_reset (GstVaapiDeinterlaceState * ds)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (ds->buffers); i++)
gst_buffer_replace (&ds->buffers[i], NULL);
ds->buffers_index = 0;
ds->num_surfaces = 0;
ds->deint = FALSE;
ds->tff = FALSE;
}
static void
ds_add_buffer (GstVaapiDeinterlaceState * ds, GstBuffer * buf)
{
gst_buffer_replace (&ds->buffers[ds->buffers_index], buf);
ds->buffers_index = (ds->buffers_index + 1) % G_N_ELEMENTS (ds->buffers);
}
static inline GstBuffer *
ds_get_buffer (GstVaapiDeinterlaceState * ds, guint index)
{
/* Note: the index increases towards older buffers.
i.e. buffer at index 0 means the immediately preceding buffer
in the history, buffer at index 1 means the one preceding the
surface at index 0, etc. */
const guint n = ds->buffers_index + G_N_ELEMENTS (ds->buffers) - index - 1;
return ds->buffers[n % G_N_ELEMENTS (ds->buffers)];
}
static void
ds_set_surfaces (GstVaapiDeinterlaceState * ds)
{
GstVaapiVideoMeta *meta;
guint i;
ds->num_surfaces = 0;
for (i = 0; i < G_N_ELEMENTS (ds->buffers); i++) {
GstBuffer *const buf = ds_get_buffer (ds, i);
if (!buf)
break;
meta = gst_buffer_get_vaapi_video_meta (buf);
ds->surfaces[ds->num_surfaces++] = gst_vaapi_video_meta_get_surface (meta);
}
}
static GstVaapiFilterOpInfo *
find_filter_op (GPtrArray * filter_ops, GstVaapiFilterOp op)
{
guint i;
if (filter_ops) {
for (i = 0; i < filter_ops->len; i++) {
GstVaapiFilterOpInfo *const filter_op = g_ptr_array_index (filter_ops, i);
if (filter_op->op == op)
return filter_op;
}
}
return NULL;
}
static inline gboolean
gst_vaapipostproc_ensure_display (GstVaapiPostproc * postproc)
{
return
gst_vaapi_plugin_base_ensure_display (GST_VAAPI_PLUGIN_BASE (postproc));
}
static gboolean
gst_vaapipostproc_ensure_filter (GstVaapiPostproc * postproc)
{
if (postproc->filter)
return TRUE;
if (!gst_vaapipostproc_ensure_display (postproc))
return FALSE;
gst_caps_replace (&postproc->allowed_srcpad_caps, NULL);
gst_caps_replace (&postproc->allowed_sinkpad_caps, NULL);
postproc->filter =
gst_vaapi_filter_new (GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc));
if (!postproc->filter)
return FALSE;
return TRUE;
}
static gboolean
gst_vaapipostproc_ensure_filter_caps (GstVaapiPostproc * postproc)
{
if (!gst_vaapipostproc_ensure_filter (postproc))
return FALSE;
postproc->filter_ops = gst_vaapi_filter_get_operations (postproc->filter);
if (!postproc->filter_ops)
return FALSE;
postproc->filter_formats = gst_vaapi_filter_get_formats (postproc->filter);
if (!postproc->filter_formats)
return FALSE;
return TRUE;
}
static gboolean
gst_vaapipostproc_create (GstVaapiPostproc * postproc)
{
if (!gst_vaapi_plugin_base_open (GST_VAAPI_PLUGIN_BASE (postproc)))
return FALSE;
if (!gst_vaapipostproc_ensure_display (postproc))
return FALSE;
postproc->use_vpp = FALSE;
postproc->has_vpp = gst_vaapipostproc_ensure_filter (postproc);
return TRUE;
}
static void
gst_vaapipostproc_destroy_filter (GstVaapiPostproc * postproc)
{
if (postproc->filter_formats) {
g_array_unref (postproc->filter_formats);
postproc->filter_formats = NULL;
}
if (postproc->filter_ops) {
g_ptr_array_unref (postproc->filter_ops);
postproc->filter_ops = NULL;
}
if (postproc->cb_channels) {
g_list_free_full (postproc->cb_channels, g_object_unref);
postproc->cb_channels = NULL;
}
gst_vaapi_filter_replace (&postproc->filter, NULL);
gst_vaapi_video_pool_replace (&postproc->filter_pool, NULL);
}
static void
gst_vaapipostproc_destroy (GstVaapiPostproc * postproc)
{
ds_reset (&postproc->deinterlace_state);
gst_vaapipostproc_destroy_filter (postproc);
gst_caps_replace (&postproc->allowed_sinkpad_caps, NULL);
gst_caps_replace (&postproc->allowed_srcpad_caps, NULL);
gst_vaapi_plugin_base_close (GST_VAAPI_PLUGIN_BASE (postproc));
}
static gboolean
gst_vaapipostproc_start (GstBaseTransform * trans)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
ds_reset (&postproc->deinterlace_state);
if (!gst_vaapi_plugin_base_open (GST_VAAPI_PLUGIN_BASE (postproc)))
return FALSE;
gst_vaapipostproc_ensure_filter (postproc);
return TRUE;
}
static gboolean
gst_vaapipostproc_stop (GstBaseTransform * trans)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
ds_reset (&postproc->deinterlace_state);
gst_vaapi_plugin_base_close (GST_VAAPI_PLUGIN_BASE (postproc));
postproc->field_duration = GST_CLOCK_TIME_NONE;
gst_video_info_init (&postproc->sinkpad_info);
gst_video_info_init (&postproc->srcpad_info);
gst_video_info_init (&postproc->filter_pool_info);
return TRUE;
}
static gboolean
should_deinterlace_buffer (GstVaapiPostproc * postproc, GstBuffer * buf)
{
if (!(postproc->flags & GST_VAAPI_POSTPROC_FLAG_DEINTERLACE) ||
postproc->deinterlace_mode == GST_VAAPI_DEINTERLACE_MODE_DISABLED)
return FALSE;
if (postproc->deinterlace_mode == GST_VAAPI_DEINTERLACE_MODE_INTERLACED)
return TRUE;
g_assert (postproc->deinterlace_mode == GST_VAAPI_DEINTERLACE_MODE_AUTO);
switch (GST_VIDEO_INFO_INTERLACE_MODE (&postproc->sinkpad_info)) {
case GST_VIDEO_INTERLACE_MODE_INTERLEAVED:
return TRUE;
case GST_VIDEO_INTERLACE_MODE_PROGRESSIVE:
return FALSE;
case GST_VIDEO_INTERLACE_MODE_MIXED:
if (GST_BUFFER_FLAG_IS_SET (buf, GST_VIDEO_BUFFER_FLAG_INTERLACED))
return TRUE;
break;
default:
GST_ERROR_OBJECT (postproc,
"unhandled \"interlace-mode\", disabling deinterlacing");
break;
}
return FALSE;
}
static GstBuffer *
create_output_buffer (GstVaapiPostproc * postproc)
{
GstBuffer *outbuf;
GstBufferPool *const pool =
GST_VAAPI_PLUGIN_BASE (postproc)->srcpad_buffer_pool;
GstFlowReturn ret;
g_return_val_if_fail (pool != NULL, NULL);
if (!gst_buffer_pool_is_active (pool) &&
!gst_buffer_pool_set_active (pool, TRUE))
goto error_activate_pool;
outbuf = NULL;
ret = gst_buffer_pool_acquire_buffer (pool, &outbuf, NULL);
if (ret != GST_FLOW_OK || !outbuf)
goto error_create_buffer;
return outbuf;
/* ERRORS */
error_activate_pool:
{
GST_ERROR_OBJECT (postproc, "failed to activate output video buffer pool");
return NULL;
}
error_create_buffer:
{
GST_ERROR_OBJECT (postproc, "failed to create output video buffer");
return NULL;
}
}
static gboolean
append_output_buffer_metadata (GstVaapiPostproc * postproc, GstBuffer * outbuf,
GstBuffer * inbuf, guint flags)
{
GstVaapiVideoMeta *inbuf_meta, *outbuf_meta;
GstVaapiSurfaceProxy *proxy;
gst_buffer_copy_into (outbuf, inbuf, flags | GST_BUFFER_COPY_FLAGS, 0, -1);
/* GstVideoCropMeta */
if (!postproc->use_vpp) {
GstVideoCropMeta *const crop_meta = gst_buffer_get_video_crop_meta (inbuf);
if (crop_meta) {
GstVideoCropMeta *const out_crop_meta =
gst_buffer_add_video_crop_meta (outbuf);
if (out_crop_meta)
*out_crop_meta = *crop_meta;
}
}
/* GstVaapiVideoMeta */
inbuf_meta = gst_buffer_get_vaapi_video_meta (inbuf);
g_return_val_if_fail (inbuf_meta != NULL, FALSE);
proxy = gst_vaapi_video_meta_get_surface_proxy (inbuf_meta);
outbuf_meta = gst_buffer_get_vaapi_video_meta (outbuf);
g_return_val_if_fail (outbuf_meta != NULL, FALSE);
proxy = gst_vaapi_surface_proxy_copy (proxy);
if (!proxy)
return FALSE;
gst_vaapi_video_meta_set_surface_proxy (outbuf_meta, proxy);
gst_vaapi_surface_proxy_unref (proxy);
return TRUE;
}
static gboolean
deint_method_is_advanced (GstVaapiDeinterlaceMethod deint_method)
{
gboolean is_advanced;
switch (deint_method) {
case GST_VAAPI_DEINTERLACE_METHOD_MOTION_ADAPTIVE:
case GST_VAAPI_DEINTERLACE_METHOD_MOTION_COMPENSATED:
is_advanced = TRUE;
break;
default:
is_advanced = FALSE;
break;
}
return is_advanced;
}
static GstVaapiDeinterlaceMethod
get_next_deint_method (GstVaapiDeinterlaceMethod deint_method)
{
switch (deint_method) {
case GST_VAAPI_DEINTERLACE_METHOD_MOTION_COMPENSATED:
deint_method = GST_VAAPI_DEINTERLACE_METHOD_MOTION_ADAPTIVE;
break;
default:
/* Default to basic "bob" for all others */
deint_method = GST_VAAPI_DEINTERLACE_METHOD_BOB;
break;
}
return deint_method;
}
static gboolean
set_best_deint_method (GstVaapiPostproc * postproc, guint flags,
GstVaapiDeinterlaceMethod * deint_method_ptr)
{
GstVaapiDeinterlaceMethod deint_method = postproc->deinterlace_method;
gboolean success;
for (;;) {
success = gst_vaapi_filter_set_deinterlacing (postproc->filter,
deint_method, flags);
if (success || deint_method == GST_VAAPI_DEINTERLACE_METHOD_BOB)
break;
deint_method = get_next_deint_method (deint_method);
}
*deint_method_ptr = deint_method;
return success;
}
static gboolean
check_filter_update (GstVaapiPostproc * postproc)
{
guint filter_flag = postproc->flags;
guint op_flag;
gint i;
if (!postproc->has_vpp)
return FALSE;
for (i = GST_VAAPI_FILTER_OP_DENOISE; i <= GST_VAAPI_FILTER_OP_SKINTONE; i++) {
op_flag = (filter_flag >> i) & 1;
if (op_flag)
return TRUE;
}
return FALSE;
}
static gboolean
update_filter (GstVaapiPostproc * postproc)
{
/* Validate filters */
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_FORMAT) &&
!gst_vaapi_filter_set_format (postproc->filter, postproc->format))
return FALSE;
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_DENOISE) {
if (!gst_vaapi_filter_set_denoising_level (postproc->filter,
postproc->denoise_level))
return FALSE;
if (gst_vaapi_filter_get_denoising_level_default (postproc->filter) ==
postproc->denoise_level)
postproc->flags &= ~(GST_VAAPI_POSTPROC_FLAG_DENOISE);
}
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_SHARPEN) {
if (!gst_vaapi_filter_set_sharpening_level (postproc->filter,
postproc->sharpen_level))
return FALSE;
if (gst_vaapi_filter_get_sharpening_level_default (postproc->filter) ==
postproc->sharpen_level)
postproc->flags &= ~(GST_VAAPI_POSTPROC_FLAG_SHARPEN);
}
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_HUE) {
if (!gst_vaapi_filter_set_hue (postproc->filter, postproc->hue))
return FALSE;
if (gst_vaapi_filter_get_hue_default (postproc->filter) == postproc->hue)
postproc->flags &= ~(GST_VAAPI_POSTPROC_FLAG_HUE);
}
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_SATURATION) {
if (!gst_vaapi_filter_set_saturation (postproc->filter,
postproc->saturation))
return FALSE;
if (gst_vaapi_filter_get_saturation_default (postproc->filter) ==
postproc->saturation)
postproc->flags &= ~(GST_VAAPI_POSTPROC_FLAG_SATURATION);
}
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS) {
if (!gst_vaapi_filter_set_brightness (postproc->filter,
postproc->brightness))
return FALSE;
if (gst_vaapi_filter_get_brightness_default (postproc->filter) ==
postproc->brightness)
postproc->flags &= ~(GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS);
}
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_CONTRAST) {
if (!gst_vaapi_filter_set_contrast (postproc->filter, postproc->contrast))
return FALSE;
if (gst_vaapi_filter_get_contrast_default (postproc->filter) ==
postproc->contrast)
postproc->flags &= ~(GST_VAAPI_POSTPROC_FLAG_CONTRAST);
}
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_SCALE) {
if (!gst_vaapi_filter_set_scaling (postproc->filter,
postproc->scale_method))
return FALSE;
if (gst_vaapi_filter_get_scaling_default (postproc->filter) ==
postproc->scale_method)
postproc->flags &= ~(GST_VAAPI_POSTPROC_FLAG_SCALE);
}
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_SKINTONE) {
if (!gst_vaapi_filter_set_skintone (postproc->filter,
postproc->skintone_enhance))
return FALSE;
if (gst_vaapi_filter_get_skintone_default (postproc->filter) ==
postproc->skintone_enhance)
postproc->flags &= ~(GST_VAAPI_POSTPROC_FLAG_SKINTONE);
}
return TRUE;
}
static void
gst_vaapipostproc_set_passthrough (GstBaseTransform * trans)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
gboolean filter_updated = FALSE;
if (check_filter_update (postproc) && update_filter (postproc)) {
/* check again if changed value is default */
filter_updated = check_filter_update (postproc);
}
gst_base_transform_set_passthrough (trans, postproc->same_caps
&& !filter_updated);
}
static GstFlowReturn
gst_vaapipostproc_process_vpp (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstVaapiDeinterlaceState *const ds = &postproc->deinterlace_state;
GstVaapiVideoMeta *inbuf_meta, *outbuf_meta;
GstVaapiSurface *inbuf_surface, *outbuf_surface;
GstVaapiSurfaceProxy *proxy;
GstVaapiFilterStatus status;
GstClockTime timestamp;
GstFlowReturn ret;
GstBuffer *fieldbuf;
GstVaapiDeinterlaceMethod deint_method;
guint flags, deint_flags;
gboolean tff, deint, deint_refs, deint_changed;
const GstVideoCropMeta *crop_meta;
GstVaapiRectangle *crop_rect = NULL;
GstVaapiRectangle tmp_rect;
inbuf_meta = gst_buffer_get_vaapi_video_meta (inbuf);
if (!inbuf_meta)
goto error_invalid_buffer;
inbuf_surface = gst_vaapi_video_meta_get_surface (inbuf_meta);
crop_meta = gst_buffer_get_video_crop_meta (inbuf);
if (crop_meta) {
crop_rect = &tmp_rect;
crop_rect->x = crop_meta->x;
crop_rect->y = crop_meta->y;
crop_rect->width = crop_meta->width;
crop_rect->height = crop_meta->height;
}
if (!crop_rect)
crop_rect = (GstVaapiRectangle *)
gst_vaapi_video_meta_get_render_rect (inbuf_meta);
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
tff = GST_BUFFER_FLAG_IS_SET (inbuf, GST_VIDEO_BUFFER_FLAG_TFF);
deint = should_deinterlace_buffer (postproc, inbuf);
/* Drop references if deinterlacing conditions changed */
deint_changed = deint != ds->deint;
if (deint_changed || (ds->num_surfaces > 0 && tff != ds->tff))
ds_reset (ds);
deint_method = postproc->deinterlace_method;
deint_refs = deint_method_is_advanced (deint_method);
if (deint_refs && 0) {
GstBuffer *const prev_buf = ds_get_buffer (ds, 0);
GstClockTime prev_pts, pts = GST_BUFFER_TIMESTAMP (inbuf);
/* Reset deinterlacing state when there is a discontinuity */
if (prev_buf && (prev_pts = GST_BUFFER_TIMESTAMP (prev_buf)) != pts) {
const GstClockTimeDiff pts_diff = GST_CLOCK_DIFF (prev_pts, pts);
if (pts_diff < 0 || (postproc->field_duration > 0 &&
pts_diff >= postproc->field_duration * 3 - 1))
ds_reset (ds);
}
}
ds->deint = deint;
ds->tff = tff;
flags = gst_vaapi_video_meta_get_render_flags (inbuf_meta) &
~GST_VAAPI_PICTURE_STRUCTURE_MASK;
/* First field */
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_DEINTERLACE) {
fieldbuf = create_output_buffer (postproc);
if (!fieldbuf)
goto error_create_buffer;
outbuf_meta = gst_buffer_get_vaapi_video_meta (fieldbuf);
if (!outbuf_meta)
goto error_create_meta;
proxy =
gst_vaapi_surface_proxy_new_from_pool (GST_VAAPI_SURFACE_POOL
(postproc->filter_pool));
if (!proxy)
goto error_create_proxy;
gst_vaapi_video_meta_set_surface_proxy (outbuf_meta, proxy);
gst_vaapi_surface_proxy_unref (proxy);
if (deint) {
deint_flags = (tff ? GST_VAAPI_DEINTERLACE_FLAG_TOPFIELD : 0);
if (tff)
deint_flags |= GST_VAAPI_DEINTERLACE_FLAG_TFF;
if (!set_best_deint_method (postproc, deint_flags, &deint_method))
goto error_op_deinterlace;
if (deint_method != postproc->deinterlace_method) {
GST_DEBUG ("unsupported deinterlace-method %u. Using %u instead",
postproc->deinterlace_method, deint_method);
postproc->deinterlace_method = deint_method;
deint_refs = deint_method_is_advanced (deint_method);
}
if (deint_refs) {
ds_set_surfaces (ds);
if (!gst_vaapi_filter_set_deinterlacing_references (postproc->filter,
ds->surfaces, ds->num_surfaces, NULL, 0))
goto error_op_deinterlace;
}
} else if (deint_changed) {
// Reset internal filter to non-deinterlacing mode
deint_method = GST_VAAPI_DEINTERLACE_METHOD_NONE;
if (!gst_vaapi_filter_set_deinterlacing (postproc->filter,
deint_method, 0))
goto error_op_deinterlace;
}
outbuf_surface = gst_vaapi_video_meta_get_surface (outbuf_meta);
gst_vaapi_filter_set_cropping_rectangle (postproc->filter, crop_rect);
status = gst_vaapi_filter_process (postproc->filter, inbuf_surface,
outbuf_surface, flags);
if (status != GST_VAAPI_FILTER_STATUS_SUCCESS)
goto error_process_vpp;
GST_BUFFER_TIMESTAMP (fieldbuf) = timestamp;
GST_BUFFER_DURATION (fieldbuf) = postproc->field_duration;
ret = gst_pad_push (trans->srcpad, fieldbuf);
if (ret != GST_FLOW_OK)
goto error_push_buffer;
}
fieldbuf = NULL;
/* Second field */
outbuf_meta = gst_buffer_get_vaapi_video_meta (outbuf);
if (!outbuf_meta)
goto error_create_meta;
if (!gst_vaapi_video_meta_get_surface_proxy (outbuf_meta)) {
proxy =
gst_vaapi_surface_proxy_new_from_pool (GST_VAAPI_SURFACE_POOL
(postproc->filter_pool));
if (!proxy)
goto error_create_proxy;
gst_vaapi_video_meta_set_surface_proxy (outbuf_meta, proxy);
gst_vaapi_surface_proxy_unref (proxy);
}
if (deint) {
deint_flags = (tff ? 0 : GST_VAAPI_DEINTERLACE_FLAG_TOPFIELD);
if (tff)
deint_flags |= GST_VAAPI_DEINTERLACE_FLAG_TFF;
if (!gst_vaapi_filter_set_deinterlacing (postproc->filter,
deint_method, deint_flags))
goto error_op_deinterlace;
if (deint_refs
&& !gst_vaapi_filter_set_deinterlacing_references (postproc->filter,
ds->surfaces, ds->num_surfaces, NULL, 0))
goto error_op_deinterlace;
} else if (deint_changed
&& !gst_vaapi_filter_set_deinterlacing (postproc->filter, deint_method,
0))
goto error_op_deinterlace;
outbuf_surface = gst_vaapi_video_meta_get_surface (outbuf_meta);
gst_vaapi_filter_set_cropping_rectangle (postproc->filter, crop_rect);
status = gst_vaapi_filter_process (postproc->filter, inbuf_surface,
outbuf_surface, flags);
if (status != GST_VAAPI_FILTER_STATUS_SUCCESS)
goto error_process_vpp;
if (!(postproc->flags & GST_VAAPI_POSTPROC_FLAG_DEINTERLACE))
gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
else {
GST_BUFFER_TIMESTAMP (outbuf) = timestamp + postproc->field_duration;
GST_BUFFER_DURATION (outbuf) = postproc->field_duration;
}
if (deint && deint_refs)
ds_add_buffer (ds, inbuf);
postproc->use_vpp = TRUE;
return GST_FLOW_OK;
/* ERRORS */
error_invalid_buffer:
{
GST_ERROR_OBJECT (postproc, "failed to validate source buffer");
return GST_FLOW_ERROR;
}
error_create_buffer:
{
GST_ERROR_OBJECT (postproc, "failed to create output buffer");
return GST_FLOW_ERROR;
}
error_create_meta:
{
GST_ERROR_OBJECT (postproc, "failed to create new output buffer meta");
gst_buffer_replace (&fieldbuf, NULL);
return GST_FLOW_ERROR;
}
error_create_proxy:
{
GST_ERROR_OBJECT (postproc, "failed to create surface proxy from pool");
gst_buffer_replace (&fieldbuf, NULL);
return GST_FLOW_ERROR;
}
error_op_deinterlace:
{
GST_ERROR_OBJECT (postproc, "failed to apply deinterlacing filter");
gst_buffer_replace (&fieldbuf, NULL);
return GST_FLOW_NOT_SUPPORTED;
}
error_process_vpp:
{
GST_ERROR_OBJECT (postproc, "failed to apply VPP filters (error %d)",
status);
gst_buffer_replace (&fieldbuf, NULL);
return GST_FLOW_ERROR;
}
error_push_buffer:
{
GST_DEBUG_OBJECT (postproc, "failed to push output buffer: %s",
gst_flow_get_name (ret));
return ret;
}
}
static GstFlowReturn
gst_vaapipostproc_process (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstVaapiVideoMeta *meta;
GstClockTime timestamp;
GstFlowReturn ret;
GstBuffer *fieldbuf;
guint fieldbuf_flags, outbuf_flags, flags;
gboolean tff, deint;
meta = gst_buffer_get_vaapi_video_meta (inbuf);
if (!meta)
goto error_invalid_buffer;
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
tff = GST_BUFFER_FLAG_IS_SET (inbuf, GST_VIDEO_BUFFER_FLAG_TFF);
deint = should_deinterlace_buffer (postproc, inbuf);
flags = gst_vaapi_video_meta_get_render_flags (meta) &
~GST_VAAPI_PICTURE_STRUCTURE_MASK;
/* First field */
fieldbuf = create_output_buffer (postproc);
if (!fieldbuf)
goto error_create_buffer;
append_output_buffer_metadata (postproc, fieldbuf, inbuf, 0);
meta = gst_buffer_get_vaapi_video_meta (fieldbuf);
fieldbuf_flags = flags;
fieldbuf_flags |= deint ? (tff ?
GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD :
GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD) :
GST_VAAPI_PICTURE_STRUCTURE_FRAME;
gst_vaapi_video_meta_set_render_flags (meta, fieldbuf_flags);
GST_BUFFER_TIMESTAMP (fieldbuf) = timestamp;
GST_BUFFER_DURATION (fieldbuf) = postproc->field_duration;
ret = gst_pad_push (trans->srcpad, fieldbuf);
if (ret != GST_FLOW_OK)
goto error_push_buffer;
/* Second field */
append_output_buffer_metadata (postproc, outbuf, inbuf, 0);
meta = gst_buffer_get_vaapi_video_meta (outbuf);
outbuf_flags = flags;
outbuf_flags |= deint ? (tff ?
GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD :
GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD) :
GST_VAAPI_PICTURE_STRUCTURE_FRAME;
gst_vaapi_video_meta_set_render_flags (meta, outbuf_flags);
GST_BUFFER_TIMESTAMP (outbuf) = timestamp + postproc->field_duration;
GST_BUFFER_DURATION (outbuf) = postproc->field_duration;
return GST_FLOW_OK;
/* ERRORS */
error_invalid_buffer:
{
GST_ERROR_OBJECT (postproc, "failed to validate source buffer");
return GST_FLOW_ERROR;
}
error_create_buffer:
{
GST_ERROR_OBJECT (postproc, "failed to create output buffer");
return GST_FLOW_EOS;
}
error_push_buffer:
{
GST_DEBUG_OBJECT (postproc, "failed to push output buffer: %s",
gst_flow_get_name (ret));
return ret;
}
}
static GstFlowReturn
gst_vaapipostproc_passthrough (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstVaapiVideoMeta *meta;
/* No video processing needed, simply copy buffer metadata */
meta = gst_buffer_get_vaapi_video_meta (inbuf);
if (!meta)
goto error_invalid_buffer;
append_output_buffer_metadata (postproc, outbuf, inbuf,
GST_BUFFER_COPY_TIMESTAMPS);
return GST_FLOW_OK;
/* ERRORS */
error_invalid_buffer:
{
GST_ERROR_OBJECT (postproc, "failed to validate source buffer");
return GST_FLOW_ERROR;
}
}
static gboolean
video_info_changed (GstVideoInfo * old_vip, GstVideoInfo * new_vip)
{
if (gst_video_info_changed (old_vip, new_vip))
return TRUE;
if (GST_VIDEO_INFO_INTERLACE_MODE (old_vip) !=
GST_VIDEO_INFO_INTERLACE_MODE (new_vip))
return TRUE;
return FALSE;
}
static gboolean
video_info_update (GstCaps * caps, GstVideoInfo * info,
gboolean * caps_changed_ptr)
{
GstVideoInfo vi;
if (!gst_video_info_from_caps (&vi, caps))
return FALSE;
*caps_changed_ptr = FALSE;
if (video_info_changed (info, &vi)) {
*caps_changed_ptr = TRUE;
*info = vi;
}
return TRUE;
}
static gboolean
gst_vaapipostproc_update_sink_caps (GstVaapiPostproc * postproc, GstCaps * caps,
gboolean * caps_changed_ptr)
{
GstVideoInfo vi;
gboolean deinterlace;
GST_INFO_OBJECT (postproc, "new sink caps = %" GST_PTR_FORMAT, caps);
if (!video_info_update (caps, &postproc->sinkpad_info, caps_changed_ptr))
return FALSE;
vi = postproc->sinkpad_info;
deinterlace = is_deinterlace_enabled (postproc, &vi);
if (deinterlace)
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_DEINTERLACE;
postproc->field_duration = GST_VIDEO_INFO_FPS_N (&vi) > 0 ?
gst_util_uint64_scale (GST_SECOND, GST_VIDEO_INFO_FPS_D (&vi),
(1 + deinterlace) * GST_VIDEO_INFO_FPS_N (&vi)) : 0;
postproc->get_va_surfaces = gst_caps_has_vaapi_surface (caps);
return TRUE;
}
static gboolean
gst_vaapipostproc_update_src_caps (GstVaapiPostproc * postproc, GstCaps * caps,
gboolean * caps_changed_ptr)
{
GST_INFO_OBJECT (postproc, "new src caps = %" GST_PTR_FORMAT, caps);
if (!video_info_update (caps, &postproc->srcpad_info, caps_changed_ptr))
return FALSE;
if (postproc->format != GST_VIDEO_INFO_FORMAT (&postproc->sinkpad_info) &&
postproc->format != DEFAULT_FORMAT)
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_FORMAT;
if (GST_VIDEO_INFO_WIDTH (&postproc->srcpad_info) !=
GST_VIDEO_INFO_WIDTH (&postproc->sinkpad_info)
&& GST_VIDEO_INFO_HEIGHT (&postproc->srcpad_info) !=
GST_VIDEO_INFO_HEIGHT (&postproc->sinkpad_info))
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SIZE;
return TRUE;
}
static gboolean
ensure_allowed_sinkpad_caps (GstVaapiPostproc * postproc)
{
GstCaps *out_caps, *raw_caps;
if (postproc->allowed_sinkpad_caps)
return TRUE;
if (!GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc))
return FALSE;
/* Create VA caps */
out_caps = gst_caps_from_string (GST_VAAPI_MAKE_SURFACE_CAPS ", "
GST_CAPS_INTERLACED_MODES);
if (!out_caps) {
GST_WARNING_OBJECT (postproc, "failed to create VA sink caps");
return FALSE;
}
raw_caps = gst_vaapi_plugin_base_get_allowed_raw_caps
(GST_VAAPI_PLUGIN_BASE (postproc));
if (!raw_caps) {
gst_caps_unref (out_caps);
GST_WARNING_OBJECT (postproc, "failed to create YUV sink caps");
return FALSE;
}
out_caps = gst_caps_make_writable (out_caps);
gst_caps_append (out_caps, gst_caps_copy (raw_caps));
postproc->allowed_sinkpad_caps = out_caps;
/* XXX: append VA/VPP filters */
return TRUE;
}
/* Fixup output caps so that to reflect the supported set of pixel formats */
static GstCaps *
expand_allowed_srcpad_caps (GstVaapiPostproc * postproc, GstCaps * caps)
{
GValue value = G_VALUE_INIT, v_format = G_VALUE_INIT;
guint i, num_structures;
gint gl_upload_meta_idx = -1;
if (postproc->filter == NULL)
goto cleanup;
if (!gst_vaapipostproc_ensure_filter_caps (postproc))
goto cleanup;
/* Reset "format" field for each structure */
if (!gst_vaapi_value_set_format_list (&value, postproc->filter_formats))
goto cleanup;
if (gst_vaapi_value_set_format (&v_format, GST_VIDEO_FORMAT_ENCODED)) {
gst_value_list_prepend_value (&value, &v_format);
g_value_unset (&v_format);
}
num_structures = gst_caps_get_size (caps);
for (i = 0; i < num_structures; i++) {
GstCapsFeatures *const features = gst_caps_get_features (caps, i);
GstStructure *structure;
if (gst_caps_features_contains (features,
GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META)) {
gl_upload_meta_idx = i;
continue;
}
structure = gst_caps_get_structure (caps, i);
if (!structure)
continue;
gst_structure_set_value (structure, "format", &value);
}
g_value_unset (&value);
if ((GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAN_DMABUF (postproc)
|| !gst_vaapi_display_has_opengl (GST_VAAPI_PLUGIN_BASE_DISPLAY
(postproc)))
&& gl_upload_meta_idx > -1) {
gst_caps_remove_structure (caps, gl_upload_meta_idx);
}
cleanup:
return caps;
}
static gboolean
ensure_allowed_srcpad_caps (GstVaapiPostproc * postproc)
{
GstCaps *out_caps;
if (postproc->allowed_srcpad_caps)
return TRUE;
/* Create initial caps from pad template */
out_caps = gst_caps_from_string (gst_vaapipostproc_src_caps_str);
if (!out_caps) {
GST_ERROR_OBJECT (postproc, "failed to create VA src caps");
return FALSE;
}
postproc->allowed_srcpad_caps =
expand_allowed_srcpad_caps (postproc, out_caps);
return postproc->allowed_srcpad_caps != NULL;
}
static GstCaps *
gst_vaapipostproc_transform_caps_impl (GstBaseTransform * trans,
GstPadDirection direction)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
/* Generate the sink pad caps, that could be fixated afterwards */
if (direction == GST_PAD_SRC) {
if (!ensure_allowed_sinkpad_caps (postproc))
return gst_caps_from_string (gst_vaapipostproc_sink_caps_str);
return gst_caps_ref (postproc->allowed_sinkpad_caps);
}
/* Generate complete set of src pad caps */
if (!ensure_allowed_srcpad_caps (postproc))
return NULL;
return gst_vaapipostproc_transform_srccaps (postproc);
}
static GstCaps *
gst_vaapipostproc_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstCaps *out_caps;
GST_DEBUG_OBJECT (trans,
"Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
(direction == GST_PAD_SINK) ? "sink" : "src");
g_mutex_lock (&postproc->postproc_lock);
out_caps = gst_vaapipostproc_transform_caps_impl (trans, direction);
g_mutex_unlock (&postproc->postproc_lock);
if (out_caps && filter) {
GstCaps *intersection;
intersection = gst_caps_intersect_full (out_caps, filter,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (out_caps);
out_caps = intersection;
}
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, out_caps);
return out_caps;
}
static GstCaps *
gst_vaapipostproc_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstCaps *outcaps = NULL;
GST_DEBUG_OBJECT (trans, "trying to fixate othercaps %" GST_PTR_FORMAT
" based on caps %" GST_PTR_FORMAT " in direction %s", othercaps, caps,
(direction == GST_PAD_SINK) ? "sink" : "src");
if (direction == GST_PAD_SRC) {
/* @TODO: we can do better */
outcaps = gst_caps_fixate (othercaps);
goto done;
}
g_mutex_lock (&postproc->postproc_lock);
outcaps = gst_vaapipostproc_fixate_srccaps (postproc, caps, othercaps);
g_mutex_unlock (&postproc->postproc_lock);
/* set passthrough according to caps changes or filter changes */
gst_vaapipostproc_set_passthrough (trans);
done:
GST_DEBUG_OBJECT (trans, "fixated othercaps to %" GST_PTR_FORMAT, outcaps);
gst_caps_unref (othercaps);
return outcaps;
}
static gboolean
gst_vaapipostproc_transform_size (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, gsize size,
GstCaps * othercaps, gsize * othersize)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
if (direction == GST_PAD_SINK || postproc->get_va_surfaces)
*othersize = 0;
else
*othersize = size;
return TRUE;
}
static GstFlowReturn
gst_vaapipostproc_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstBuffer *buf;
GstFlowReturn ret;
ret =
gst_vaapi_plugin_base_get_input_buffer (GST_VAAPI_PLUGIN_BASE (postproc),
inbuf, &buf);
if (ret != GST_FLOW_OK)
return GST_FLOW_ERROR;
ret = GST_FLOW_NOT_SUPPORTED;
if (postproc->flags) {
/* Use VA/VPP extensions to process this frame */
if (postproc->has_vpp &&
(postproc->flags != GST_VAAPI_POSTPROC_FLAG_DEINTERLACE ||
deint_method_is_advanced (postproc->deinterlace_method))) {
ret = gst_vaapipostproc_process_vpp (trans, buf, outbuf);
if (ret != GST_FLOW_NOT_SUPPORTED)
goto done;
GST_WARNING_OBJECT (postproc, "unsupported VPP filters. Disabling");
}
/* Only append picture structure meta data (top/bottom field) */
if (postproc->flags & GST_VAAPI_POSTPROC_FLAG_DEINTERLACE) {
ret = gst_vaapipostproc_process (trans, buf, outbuf);
if (ret != GST_FLOW_NOT_SUPPORTED)
goto done;
}
}
/* Fallback: passthrough to the downstream element as is */
ret = gst_vaapipostproc_passthrough (trans, buf, outbuf);
done:
gst_buffer_unref (buf);
return ret;
}
static GstFlowReturn
gst_vaapipostproc_prepare_output_buffer (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer ** outbuf_ptr)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
if (gst_base_transform_is_passthrough (trans)) {
*outbuf_ptr = inbuf;
return GST_FLOW_OK;
}
*outbuf_ptr = create_output_buffer (postproc);
return *outbuf_ptr ? GST_FLOW_OK : GST_FLOW_ERROR;
}
static gboolean
ensure_srcpad_buffer_pool (GstVaapiPostproc * postproc, GstCaps * caps)
{
GstVideoInfo vi;
GstVaapiVideoPool *pool;
if (!gst_video_info_from_caps (&vi, caps))
return FALSE;
gst_video_info_change_format (&vi, postproc->format,
GST_VIDEO_INFO_WIDTH (&vi), GST_VIDEO_INFO_HEIGHT (&vi));
if (postproc->filter_pool
&& !video_info_changed (&postproc->filter_pool_info, &vi))
return TRUE;
postproc->filter_pool_info = vi;
pool =
gst_vaapi_surface_pool_new_full (GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc),
&postproc->filter_pool_info, 0);
if (!pool)
return FALSE;
gst_vaapi_video_pool_replace (&postproc->filter_pool, pool);
gst_vaapi_video_pool_unref (pool);
return TRUE;
}
static gboolean
is_native_video_format (GstVideoFormat format)
{
guint i = 0;
for (i = 0; i < G_N_ELEMENTS (native_formats); i++)
if (native_formats[i] == format)
return TRUE;
return FALSE;
}
static gboolean
gst_vaapipostproc_set_caps (GstBaseTransform * trans, GstCaps * caps,
GstCaps * out_caps)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
gboolean sink_caps_changed = FALSE;
gboolean src_caps_changed = FALSE;
GstVideoInfo vinfo;
gboolean ret = FALSE;
g_mutex_lock (&postproc->postproc_lock);
if (!gst_vaapipostproc_update_sink_caps (postproc, caps, &sink_caps_changed))
goto done;
/* HACK: This is a workaround to deal with the va-intel-driver for non-native
* formats while doing advanced deinterlacing. The format of reference surfaces must
* be same as the format used by the driver internally for motion adaptive
* deinterlacing and motion compensated deinterlacing */
if (!gst_video_info_from_caps (&vinfo, caps))
goto done;
if (deint_method_is_advanced (postproc->deinterlace_method)
&& !is_native_video_format (GST_VIDEO_INFO_FORMAT (&vinfo))) {
GST_WARNING_OBJECT (postproc,
"Advanced deinterlacing requires the native video formats used by the driver internally");
goto done;
}
if (!gst_vaapipostproc_update_src_caps (postproc, out_caps,
&src_caps_changed))
goto done;
if (sink_caps_changed || src_caps_changed) {
gst_vaapipostproc_destroy (postproc);
if (!gst_vaapipostproc_create (postproc))
goto done;
if (!gst_vaapi_plugin_base_set_caps (GST_VAAPI_PLUGIN_BASE (trans),
caps, out_caps))
goto done;
}
if (!ensure_srcpad_buffer_pool (postproc, out_caps))
goto done;
postproc->same_caps = gst_caps_is_equal (caps, out_caps);
if (!src_caps_changed) {
/* set passthrough according to caps changes or filter changes */
gst_vaapipostproc_set_passthrough (trans);
}
ret = TRUE;
done:
g_mutex_unlock (&postproc->postproc_lock);
/* Updates the srcpad caps and send the caps downstream */
if (ret && src_caps_changed)
gst_base_transform_update_src_caps (trans, out_caps);
return ret;
}
static gboolean
gst_vaapipostproc_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstElement *const element = GST_ELEMENT (trans);
if (GST_QUERY_TYPE (query) == GST_QUERY_CONTEXT) {
if (gst_vaapi_handle_context_query (element, query)) {
GST_DEBUG_OBJECT (postproc, "sharing display %" GST_PTR_FORMAT,
GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc));
return TRUE;
}
}
return
GST_BASE_TRANSFORM_CLASS (gst_vaapipostproc_parent_class)->query (trans,
direction, query);
}
static gboolean
gst_vaapipostproc_propose_allocation (GstBaseTransform * trans,
GstQuery * decide_query, GstQuery * query)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (trans);
GstCaps *allocation_caps;
GstStructure *structure;
gint allocation_width, allocation_height;
gint negotiated_width, negotiated_height;
negotiated_width = GST_VIDEO_INFO_WIDTH (&postproc->sinkpad_info);
negotiated_height = GST_VIDEO_INFO_HEIGHT (&postproc->sinkpad_info);
if (negotiated_width == 0 || negotiated_height == 0)
goto bail;
allocation_caps = NULL;
gst_query_parse_allocation (query, &allocation_caps, NULL);
if (!allocation_caps)
goto bail;
structure = gst_caps_get_structure (allocation_caps, 0);
if (!gst_structure_get_int (structure, "width", &allocation_width))
goto bail;
if (!gst_structure_get_int (structure, "height", &allocation_height))
goto bail;
if (allocation_width != negotiated_width
|| allocation_height != negotiated_height)
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SIZE;
bail:
/* Let vaapidecode allocate the video buffers */
if (postproc->get_va_surfaces)
return FALSE;
if (!gst_vaapi_plugin_base_propose_allocation (plugin, query))
return FALSE;
return TRUE;
}
static gboolean
gst_vaapipostproc_decide_allocation (GstBaseTransform * trans, GstQuery * query)
{
return gst_vaapi_plugin_base_decide_allocation (GST_VAAPI_PLUGIN_BASE (trans),
query);
}
static void
gst_vaapipostproc_finalize (GObject * object)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (object);
gst_vaapipostproc_destroy (postproc);
g_mutex_clear (&postproc->postproc_lock);
gst_vaapi_plugin_base_finalize (GST_VAAPI_PLUGIN_BASE (postproc));
G_OBJECT_CLASS (gst_vaapipostproc_parent_class)->finalize (object);
}
static void
gst_vaapipostproc_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (object);
gboolean do_reconf = FALSE;
g_mutex_lock (&postproc->postproc_lock);
switch (prop_id) {
case PROP_FORMAT:
postproc->format = g_value_get_enum (value);
break;
case PROP_WIDTH:
{
guint prev_width = postproc->width;
postproc->width = g_value_get_uint (value);
do_reconf = (prev_width != postproc->width);
break;
}
case PROP_HEIGHT:
{
guint prev_height = postproc->height;
postproc->height = g_value_get_uint (value);
do_reconf = (prev_height != postproc->height);
break;
}
case PROP_FORCE_ASPECT_RATIO:
postproc->keep_aspect = g_value_get_boolean (value);
break;
case PROP_DEINTERLACE_MODE:
postproc->deinterlace_mode = g_value_get_enum (value);
break;
case PROP_DEINTERLACE_METHOD:
postproc->deinterlace_method = g_value_get_enum (value);
break;
case PROP_DENOISE:
postproc->denoise_level = g_value_get_float (value);
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_DENOISE;
break;
case PROP_SHARPEN:
postproc->sharpen_level = g_value_get_float (value);
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SHARPEN;
break;
case PROP_HUE:
postproc->hue = g_value_get_float (value);
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_HUE;
break;
case PROP_SATURATION:
postproc->saturation = g_value_get_float (value);
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SATURATION;
break;
case PROP_BRIGHTNESS:
postproc->brightness = g_value_get_float (value);
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS;
break;
case PROP_CONTRAST:
postproc->contrast = g_value_get_float (value);
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_CONTRAST;
break;
case PROP_SCALE_METHOD:
postproc->scale_method = g_value_get_enum (value);
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SCALE;
break;
case PROP_SKIN_TONE_ENHANCEMENT:
postproc->skintone_enhance = g_value_get_boolean (value);
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_SKINTONE;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
g_mutex_unlock (&postproc->postproc_lock);
if (do_reconf || check_filter_update (postproc))
gst_base_transform_reconfigure_src (GST_BASE_TRANSFORM (postproc));
}
static void
gst_vaapipostproc_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (object);
g_mutex_lock (&postproc->postproc_lock);
switch (prop_id) {
case PROP_FORMAT:
g_value_set_enum (value, postproc->format);
break;
case PROP_WIDTH:
g_value_set_uint (value, postproc->width);
break;
case PROP_HEIGHT:
g_value_set_uint (value, postproc->height);
break;
case PROP_FORCE_ASPECT_RATIO:
g_value_set_boolean (value, postproc->keep_aspect);
break;
case PROP_DEINTERLACE_MODE:
g_value_set_enum (value, postproc->deinterlace_mode);
break;
case PROP_DEINTERLACE_METHOD:
g_value_set_enum (value, postproc->deinterlace_method);
break;
case PROP_DENOISE:
g_value_set_float (value, postproc->denoise_level);
break;
case PROP_SHARPEN:
g_value_set_float (value, postproc->sharpen_level);
break;
case PROP_HUE:
g_value_set_float (value, postproc->hue);
break;
case PROP_SATURATION:
g_value_set_float (value, postproc->saturation);
break;
case PROP_BRIGHTNESS:
g_value_set_float (value, postproc->brightness);
break;
case PROP_CONTRAST:
g_value_set_float (value, postproc->contrast);
break;
case PROP_SCALE_METHOD:
g_value_set_enum (value, postproc->scale_method);
break;
case PROP_SKIN_TONE_ENHANCEMENT:
g_value_set_boolean (value, postproc->skintone_enhance);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
g_mutex_unlock (&postproc->postproc_lock);
}
static void
gst_vaapipostproc_class_init (GstVaapiPostprocClass * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstElementClass *const element_class = GST_ELEMENT_CLASS (klass);
GstBaseTransformClass *const trans_class = GST_BASE_TRANSFORM_CLASS (klass);
GPtrArray *filter_ops;
GstVaapiFilterOpInfo *filter_op;
GST_DEBUG_CATEGORY_INIT (gst_debug_vaapipostproc,
GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
gst_vaapi_plugin_base_class_init (GST_VAAPI_PLUGIN_BASE_CLASS (klass));
object_class->finalize = gst_vaapipostproc_finalize;
object_class->set_property = gst_vaapipostproc_set_property;
object_class->get_property = gst_vaapipostproc_get_property;
trans_class->start = gst_vaapipostproc_start;
trans_class->stop = gst_vaapipostproc_stop;
trans_class->fixate_caps = gst_vaapipostproc_fixate_caps;
trans_class->transform_caps = gst_vaapipostproc_transform_caps;
trans_class->transform_size = gst_vaapipostproc_transform_size;
trans_class->transform = gst_vaapipostproc_transform;
trans_class->set_caps = gst_vaapipostproc_set_caps;
trans_class->query = gst_vaapipostproc_query;
trans_class->propose_allocation = gst_vaapipostproc_propose_allocation;
trans_class->decide_allocation = gst_vaapipostproc_decide_allocation;
trans_class->prepare_output_buffer = gst_vaapipostproc_prepare_output_buffer;
element_class->set_context = gst_vaapi_base_set_context;
gst_element_class_set_static_metadata (element_class,
"VA-API video postprocessing",
"Filter/Converter/Video;Filter/Converter/Video/Scaler;"
"Filter/Effect/Video;Filter/Effect/Video/Deinterlace",
GST_PLUGIN_DESC, "Gwenole Beauchesne <gwenole.beauchesne@intel.com>");
/* sink pad */
gst_element_class_add_static_pad_template (element_class,
&gst_vaapipostproc_sink_factory);
/* src pad */
gst_element_class_add_static_pad_template (element_class,
&gst_vaapipostproc_src_factory);
/**
* GstVaapiPostproc:deinterlace-mode:
*
* This selects whether the deinterlacing should always be applied
* or if they should only be applied on content that has the
* "interlaced" flag on the caps.
*/
g_object_class_install_property
(object_class,
PROP_DEINTERLACE_MODE,
g_param_spec_enum ("deinterlace-mode",
"Deinterlace mode",
"Deinterlace mode to use",
GST_VAAPI_TYPE_DEINTERLACE_MODE,
DEFAULT_DEINTERLACE_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVaapiPostproc:deinterlace-method:
*
* This selects the deinterlacing method to apply.
*/
g_object_class_install_property
(object_class,
PROP_DEINTERLACE_METHOD,
g_param_spec_enum ("deinterlace-method",
"Deinterlace method",
"Deinterlace method to use",
GST_VAAPI_TYPE_DEINTERLACE_METHOD,
DEFAULT_DEINTERLACE_METHOD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
filter_ops = gst_vaapi_filter_get_operations (NULL);
if (!filter_ops)
return;
/**
* GstVaapiPostproc:format:
*
* The forced output pixel format, expressed as a #GstVideoFormat.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_FORMAT);
if (filter_op)
g_object_class_install_property (object_class,
PROP_FORMAT, filter_op->pspec);
/**
* GstVaapiPostproc:width:
*
* The forced output width in pixels. If set to zero, the width is
* calculated from the height if aspect ration is preserved, or
* inherited from the sink caps width
*/
g_object_class_install_property
(object_class,
PROP_WIDTH,
g_param_spec_uint ("width",
"Width",
"Forced output width",
0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVaapiPostproc:height:
*
* The forced output height in pixels. If set to zero, the height is
* calculated from the width if aspect ration is preserved, or
* inherited from the sink caps height
*/
g_object_class_install_property
(object_class,
PROP_HEIGHT,
g_param_spec_uint ("height",
"Height",
"Forced output height",
0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVaapiPostproc:force-aspect-ratio:
*
* When enabled, scaling respects video aspect ratio; when disabled,
* the video is distorted to fit the width and height properties.
*/
g_object_class_install_property
(object_class,
PROP_FORCE_ASPECT_RATIO,
g_param_spec_boolean ("force-aspect-ratio",
"Force aspect ratio",
"When enabled, scaling will respect original aspect ratio",
TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVaapiPostproc:denoise:
*
* The level of noise reduction to apply.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_DENOISE);
if (filter_op)
g_object_class_install_property (object_class,
PROP_DENOISE, filter_op->pspec);
/**
* GstVaapiPostproc:sharpen:
*
* The level of sharpening to apply for positive values, or the
* level of blurring for negative values.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_SHARPEN);
if (filter_op)
g_object_class_install_property (object_class,
PROP_SHARPEN, filter_op->pspec);
/**
* GstVaapiPostproc:hue:
*
* The color hue, expressed as a float value. Range is -180.0 to
* 180.0. Default value is 0.0 and represents no modification.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_HUE);
if (filter_op)
g_object_class_install_property (object_class, PROP_HUE, filter_op->pspec);
/**
* GstVaapiPostproc:saturation:
*
* The color saturation, expressed as a float value. Range is 0.0 to
* 2.0. Default value is 1.0 and represents no modification.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_SATURATION);
if (filter_op)
g_object_class_install_property (object_class,
PROP_SATURATION, filter_op->pspec);
/**
* GstVaapiPostproc:brightness:
*
* The color brightness, expressed as a float value. Range is -1.0
* to 1.0. Default value is 0.0 and represents no modification.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_BRIGHTNESS);
if (filter_op)
g_object_class_install_property (object_class,
PROP_BRIGHTNESS, filter_op->pspec);
/**
* GstVaapiPostproc:contrast:
*
* The color contrast, expressed as a float value. Range is 0.0 to
* 2.0. Default value is 1.0 and represents no modification.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_CONTRAST);
if (filter_op)
g_object_class_install_property (object_class,
PROP_CONTRAST, filter_op->pspec);
/**
* GstVaapiPostproc:scale-method:
*
* The scaling method to use, expressed as an enum value. See
* #GstVaapiScaleMethod.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_SCALING);
if (filter_op)
g_object_class_install_property (object_class,
PROP_SCALE_METHOD, filter_op->pspec);
/**
* GstVaapiPostproc:skin-tone-enhancement:
*
* Apply the skin tone enhancement algorithm.
*/
filter_op = find_filter_op (filter_ops, GST_VAAPI_FILTER_OP_SKINTONE);
if (filter_op)
g_object_class_install_property (object_class,
PROP_SKIN_TONE_ENHANCEMENT, filter_op->pspec);
g_ptr_array_unref (filter_ops);
}
static float *
find_value_ptr (GstVaapiPostproc * postproc, GstVaapiFilterOp op)
{
switch (op) {
case GST_VAAPI_FILTER_OP_HUE:
return &postproc->hue;
case GST_VAAPI_FILTER_OP_SATURATION:
return &postproc->saturation;
case GST_VAAPI_FILTER_OP_BRIGHTNESS:
return &postproc->brightness;
case GST_VAAPI_FILTER_OP_CONTRAST:
return &postproc->contrast;
default:
return NULL;
}
}
static void
cb_set_default_value (GstVaapiPostproc * postproc, GPtrArray * filter_ops,
GstVaapiFilterOp op)
{
GstVaapiFilterOpInfo *filter_op;
GParamSpecFloat *pspec;
float *var;
filter_op = find_filter_op (filter_ops, op);
if (!filter_op)
return;
var = find_value_ptr (postproc, op);
if (!var)
return;
pspec = G_PARAM_SPEC_FLOAT (filter_op->pspec);
*var = pspec->default_value;
}
static void
gst_vaapipostproc_init (GstVaapiPostproc * postproc)
{
GPtrArray *filter_ops;
guint i;
gst_vaapi_plugin_base_init (GST_VAAPI_PLUGIN_BASE (postproc),
GST_CAT_DEFAULT);
g_mutex_init (&postproc->postproc_lock);
postproc->format = DEFAULT_FORMAT;
postproc->deinterlace_mode = DEFAULT_DEINTERLACE_MODE;
postproc->deinterlace_method = DEFAULT_DEINTERLACE_METHOD;
postproc->field_duration = GST_CLOCK_TIME_NONE;
postproc->keep_aspect = TRUE;
postproc->get_va_surfaces = TRUE;
filter_ops = gst_vaapi_filter_get_operations (NULL);
if (filter_ops) {
for (i = GST_VAAPI_FILTER_OP_HUE; i <= GST_VAAPI_FILTER_OP_CONTRAST; i++)
cb_set_default_value (postproc, filter_ops, i);
g_ptr_array_unref (filter_ops);
}
gst_video_info_init (&postproc->sinkpad_info);
gst_video_info_init (&postproc->srcpad_info);
gst_video_info_init (&postproc->filter_pool_info);
}
/* ------------------------------------------------------------------------ */
/* --- GstColorBalance interface --- */
/* ------------------------------------------------------------------------ */
#define CB_CHANNEL_FACTOR 1000.0
typedef struct
{
GstVaapiFilterOp op;
const gchar *name;
} ColorBalanceChannel;
ColorBalanceChannel cb_channels[] = {
{
GST_VAAPI_FILTER_OP_HUE, "VA_FILTER_HUE"}, {
GST_VAAPI_FILTER_OP_SATURATION, "VA_FILTER_SATURATION"}, {
GST_VAAPI_FILTER_OP_BRIGHTNESS, "VA_FILTER_BRIGHTNESS"}, {
GST_VAAPI_FILTER_OP_CONTRAST, "VA_FILTER_CONTRAST"},
};
static void
cb_channels_init (GstVaapiPostproc * postproc)
{
GPtrArray *filter_ops;
GstVaapiFilterOpInfo *filter_op;
GParamSpecFloat *pspec;
GstColorBalanceChannel *channel;
guint i;
if (postproc->cb_channels)
return;
if (!gst_vaapipostproc_ensure_filter (postproc))
return;
filter_ops = postproc->filter_ops ? g_ptr_array_ref (postproc->filter_ops)
: gst_vaapi_filter_get_operations (postproc->filter);
if (!filter_ops)
return;
for (i = 0; i < G_N_ELEMENTS (cb_channels); i++) {
filter_op = find_filter_op (filter_ops, cb_channels[i].op);
if (!filter_op)
continue;
pspec = G_PARAM_SPEC_FLOAT (filter_op->pspec);
channel = g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL, NULL);
channel->label = g_strdup (cb_channels[i].name);
channel->min_value = pspec->minimum * CB_CHANNEL_FACTOR;
channel->max_value = pspec->maximum * CB_CHANNEL_FACTOR;
postproc->cb_channels = g_list_prepend (postproc->cb_channels, channel);
}
g_ptr_array_unref (filter_ops);
}
static const GList *
gst_vaapipostproc_colorbalance_list_channels (GstColorBalance * balance)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (balance);
cb_channels_init (postproc);
return postproc->cb_channels;
}
static gfloat *
cb_get_value_ptr (GstVaapiPostproc * postproc,
GstColorBalanceChannel * channel, GstVaapiPostprocFlags * flags)
{
guint i;
gfloat *ret = NULL;
for (i = 0; i < G_N_ELEMENTS (cb_channels); i++) {
if (g_ascii_strcasecmp (cb_channels[i].name, channel->label) == 0)
break;
}
if (i >= G_N_ELEMENTS (cb_channels))
return NULL;
ret = find_value_ptr (postproc, cb_channels[i].op);
if (flags)
*flags = 1 << cb_channels[i].op;
return ret;
}
static void
gst_vaapipostproc_colorbalance_set_value (GstColorBalance * balance,
GstColorBalanceChannel * channel, gint value)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (balance);
GstVaapiPostprocFlags flags;
gfloat new_val, *var;
value = CLAMP (value, channel->min_value, channel->max_value);
new_val = (gfloat) value / CB_CHANNEL_FACTOR;
var = cb_get_value_ptr (postproc, channel, &flags);
if (var) {
*var = new_val;
postproc->flags |= flags;
gst_color_balance_value_changed (balance, channel, value);
if (check_filter_update (postproc))
gst_base_transform_reconfigure_src (GST_BASE_TRANSFORM (postproc));
return;
}
GST_WARNING_OBJECT (postproc, "unknown channel %s", channel->label);
}
static gint
gst_vaapipostproc_colorbalance_get_value (GstColorBalance * balance,
GstColorBalanceChannel * channel)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (balance);
gfloat *var;
gint new_val;
var = cb_get_value_ptr (postproc, channel, NULL);
if (var) {
new_val = (gint) ((*var) * CB_CHANNEL_FACTOR);
new_val = CLAMP (new_val, channel->min_value, channel->max_value);
return new_val;
}
GST_WARNING_OBJECT (postproc, "unknown channel %s", channel->label);
return G_MININT;
}
static GstColorBalanceType
gst_vaapipostproc_colorbalance_get_balance_type (GstColorBalance * balance)
{
return GST_COLOR_BALANCE_HARDWARE;
}
static void
gst_vaapipostproc_colorbalance_init (gpointer iface, gpointer data)
{
GstColorBalanceInterface *cbface = iface;
cbface->list_channels = gst_vaapipostproc_colorbalance_list_channels;
cbface->set_value = gst_vaapipostproc_colorbalance_set_value;
cbface->get_value = gst_vaapipostproc_colorbalance_get_value;
cbface->get_balance_type = gst_vaapipostproc_colorbalance_get_balance_type;
}
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