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gstreamer/gst/vaapi/gstvaapipostproc.c
Michael Olbrich 22d1acb6d2 vaapipostproc: clear state on stop 
Otherwise restarting may fail because the state of vaapipluginbase and
vaapipostproc don't match. e.g. gst_vaapipostproc_set_caps() will skip
initailization and not call gst_vaapi_plugin_base_set_caps()
2015-01-27 16:06:02 +02:00

1745 lines
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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:gstvaapipostproc
* @short_description: A video postprocessing filter
*
* vaapipostproc consists in various postprocessing algorithms to be
* applied to VA surfaces. So far, only basic bob deinterlacing is
* implemented.
*/
#include "gst/vaapi/sysdeps.h"
#include <gst/video/video.h>
#include "gstvaapipostproc.h"
#include "gstvaapipluginutil.h"
#include "gstvaapivideobuffer.h"
#if GST_CHECK_VERSION(1,0,0)
#include "gstvaapivideobufferpool.h"
#include "gstvaapivideomemory.h"
#endif
#define GST_PLUGIN_NAME "vaapipostproc"
#define GST_PLUGIN_DESC "A video postprocessing filter"
GST_DEBUG_CATEGORY_STATIC (gst_debug_vaapipostproc);
#define GST_CAT_DEFAULT gst_debug_vaapipostproc
#if GST_CHECK_VERSION(1,1,0)
# define GST_VAAPIPOSTPROC_SURFACE_CAPS \
GST_VIDEO_CAPS_MAKE_WITH_FEATURES( \
GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE, "{ ENCODED, I420, YV12, NV12 }")
#else
# define GST_VAAPIPOSTPROC_SURFACE_CAPS \
GST_VAAPI_SURFACE_CAPS
#endif
/* Default templates */
/* *INDENT-OFF* */
static const char gst_vaapipostproc_sink_caps_str[] =
GST_VAAPIPOSTPROC_SURFACE_CAPS ", "
GST_CAPS_INTERLACED_MODES "; "
#if GST_CHECK_VERSION(1,0,0)
GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ", "
#else
"video/x-raw-yuv, "
"width = " GST_VIDEO_SIZE_RANGE ", "
"height = " GST_VIDEO_SIZE_RANGE ", "
"framerate = " GST_VIDEO_FPS_RANGE ", "
#endif
GST_CAPS_INTERLACED_MODES;
/* *INDENT-ON* */
/* *INDENT-OFF* */
static const char gst_vaapipostproc_src_caps_str[] =
GST_VAAPIPOSTPROC_SURFACE_CAPS ", "
GST_CAPS_INTERLACED_FALSE "; "
#if GST_CHECK_VERSION(1,1,0)
GST_VIDEO_CAPS_MAKE_WITH_FEATURES (
GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META, "RGBA") ", "
GST_CAPS_INTERLACED_FALSE "; "
#endif
#if GST_CHECK_VERSION(1,0,0)
GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ", "
#else
"video/x-raw-yuv, "
"width = " GST_VIDEO_SIZE_RANGE ", "
"height = " GST_VIDEO_SIZE_RANGE ", "
"framerate = " GST_VIDEO_FPS_RANGE ", "
#endif
GST_CAPS_INTERLACED_FALSE;
/* *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* */
G_DEFINE_TYPE_WITH_CODE (GstVaapiPostproc, gst_vaapipostproc,
GST_TYPE_BASE_TRANSFORM, GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES);
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,
};
#define DEFAULT_FORMAT GST_VIDEO_FORMAT_ENCODED
#define DEFAULT_DEINTERLACE_MODE GST_VAAPI_DEINTERLACE_MODE_AUTO
#define DEFAULT_DEINTERLACE_METHOD GST_VAAPI_DEINTERLACE_METHOD_BOB
#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_uploader (GstVaapiPostproc * postproc)
{
if (!gst_vaapipostproc_ensure_display (postproc))
return FALSE;
if (!gst_vaapi_plugin_base_ensure_uploader (GST_VAAPI_PLUGIN_BASE (postproc)))
return FALSE;
return TRUE;
}
static gboolean
gst_vaapipostproc_ensure_filter (GstVaapiPostproc * postproc)
{
if (postproc->filter)
return TRUE;
if (!gst_vaapipostproc_ensure_display (postproc))
return FALSE;
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;
if (!gst_vaapipostproc_ensure_uploader (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;
}
gst_vaapi_filter_replace (&postproc->filter, NULL);
gst_vaapi_video_pool_replace (&postproc->filter_pool, NULL);
postproc->filter_pool_active = FALSE;
}
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;
if (!gst_vaapipostproc_ensure_display (postproc))
return FALSE;
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->filter_pool_active = FALSE;
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_CHECK_VERSION(1,0,0)
if (GST_BUFFER_FLAG_IS_SET (buf, GST_VIDEO_BUFFER_FLAG_INTERLACED))
return TRUE;
#else
if (!GST_BUFFER_FLAG_IS_SET (buf, GST_VIDEO_BUFFER_PROGRESSIVE))
return TRUE;
#endif
break;
default:
GST_ERROR ("unhandled \"interlace-mode\", disabling deinterlacing");
break;
}
return FALSE;
}
static GstBuffer *
create_output_buffer (GstVaapiPostproc * postproc)
{
GstBuffer *outbuf;
#if GST_CHECK_VERSION(1,0,0)
GstBufferPool *const pool =
GST_VAAPI_PLUGIN_BASE (postproc)->srcpad_buffer_pool;
GstFlowReturn ret;
g_return_val_if_fail (pool != NULL, NULL);
if (!postproc->filter_pool_active) {
if (!gst_buffer_pool_set_active (pool, TRUE))
goto error_activate_pool;
postproc->filter_pool_active = TRUE;
}
outbuf = NULL;
ret = gst_buffer_pool_acquire_buffer (pool, &outbuf, NULL);
if (ret != GST_FLOW_OK || !outbuf)
goto error_create_buffer;
#else
/* Create a raw VA video buffer without GstVaapiVideoMeta attached
to it yet, as this will be done next in the transform() hook */
outbuf = gst_vaapi_video_buffer_new_empty ();
if (!outbuf)
goto error_create_buffer;
gst_buffer_set_caps (outbuf, GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAPS (postproc));
#endif
return outbuf;
/* ERRORS */
#if GST_CHECK_VERSION(1,0,0)
error_activate_pool:
{
GST_ERROR ("failed to activate output video buffer pool");
return NULL;
}
#endif
error_create_buffer:
{
GST_ERROR ("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 GST_CHECK_VERSION(1,0,0)
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;
}
}
#endif
/* 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 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;
GstVaapiRectangle *crop_rect = NULL;
#if GST_CHECK_VERSION(1,0,0)
GstVaapiRectangle tmp_rect;
#endif
/* Validate filters */
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_FORMAT) &&
!gst_vaapi_filter_set_format (postproc->filter, postproc->format))
return GST_FLOW_NOT_SUPPORTED;
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_DENOISE) &&
!gst_vaapi_filter_set_denoising_level (postproc->filter,
postproc->denoise_level))
return GST_FLOW_NOT_SUPPORTED;
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_SHARPEN) &&
!gst_vaapi_filter_set_sharpening_level (postproc->filter,
postproc->sharpen_level))
return GST_FLOW_NOT_SUPPORTED;
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_HUE) &&
!gst_vaapi_filter_set_hue (postproc->filter, postproc->hue))
return GST_FLOW_NOT_SUPPORTED;
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_SATURATION) &&
!gst_vaapi_filter_set_saturation (postproc->filter, postproc->saturation))
return GST_FLOW_NOT_SUPPORTED;
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS) &&
!gst_vaapi_filter_set_brightness (postproc->filter, postproc->brightness))
return GST_FLOW_NOT_SUPPORTED;
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_CONTRAST) &&
!gst_vaapi_filter_set_contrast (postproc->filter, postproc->contrast))
return GST_FLOW_NOT_SUPPORTED;
if ((postproc->flags & GST_VAAPI_POSTPROC_FLAG_SCALE) &&
!gst_vaapi_filter_set_scaling (postproc->filter, postproc->scale_method))
return GST_FLOW_NOT_SUPPORTED;
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);
#if GST_CHECK_VERSION(1,0,0)
GstVideoCropMeta *const 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;
}
#endif
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;
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 ("failed to validate source buffer");
return GST_FLOW_ERROR;
}
error_create_buffer:
{
GST_ERROR ("failed to create output buffer");
return GST_FLOW_ERROR;
}
error_create_meta:
{
GST_ERROR ("failed to create new output buffer meta");
gst_buffer_replace (&fieldbuf, NULL);
return GST_FLOW_ERROR;
}
error_create_proxy:
{
GST_ERROR ("failed to create surface proxy from pool");
gst_buffer_replace (&fieldbuf, NULL);
return GST_FLOW_ERROR;
}
error_op_deinterlace:
{
GST_ERROR ("failed to apply deinterlacing filter");
gst_buffer_replace (&fieldbuf, NULL);
return GST_FLOW_NOT_SUPPORTED;
}
error_process_vpp:
{
GST_ERROR ("failed to apply VPP filters (error %d)", status);
gst_buffer_replace (&fieldbuf, NULL);
return GST_FLOW_ERROR;
}
error_push_buffer:
{
if (ret != GST_FLOW_FLUSHING)
GST_ERROR ("failed to push output buffer to video sink");
return GST_FLOW_ERROR;
}
}
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 ("failed to validate source buffer");
return GST_FLOW_ERROR;
}
error_create_buffer:
{
GST_ERROR ("failed to create output buffer");
return GST_FLOW_EOS;
}
error_push_buffer:
{
if (ret != GST_FLOW_FLUSHING)
GST_ERROR ("failed to push output buffer to video sink");
return GST_FLOW_EOS;
}
}
static GstFlowReturn
gst_vaapipostproc_passthrough (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
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 (GST_VAAPIPOSTPROC (trans), outbuf, inbuf,
GST_BUFFER_COPY_TIMESTAMPS);
return GST_FLOW_OK;
/* ERRORS */
error_invalid_buffer:
{
GST_ERROR ("failed to validate source buffer");
return GST_FLOW_ERROR;
}
}
static gboolean
is_deinterlace_enabled (GstVaapiPostproc * postproc, GstVideoInfo * vip)
{
gboolean deinterlace;
switch (postproc->deinterlace_mode) {
case GST_VAAPI_DEINTERLACE_MODE_AUTO:
deinterlace = GST_VIDEO_INFO_IS_INTERLACED (vip);
break;
case GST_VAAPI_DEINTERLACE_MODE_INTERLACED:
deinterlace = TRUE;
break;
default:
deinterlace = FALSE;
break;
}
return deinterlace;
}
static gboolean
video_info_changed (GstVideoInfo * old_vip, GstVideoInfo * new_vip)
{
if (GST_VIDEO_INFO_FORMAT (old_vip) != GST_VIDEO_INFO_FORMAT (new_vip))
return TRUE;
if (GST_VIDEO_INFO_INTERLACE_MODE (old_vip) !=
GST_VIDEO_INFO_INTERLACE_MODE (new_vip))
return TRUE;
if (GST_VIDEO_INFO_WIDTH (old_vip) != GST_VIDEO_INFO_WIDTH (new_vip))
return TRUE;
if (GST_VIDEO_INFO_HEIGHT (old_vip) != GST_VIDEO_INFO_HEIGHT (new_vip))
return TRUE;
return FALSE;
}
static gboolean
gst_vaapipostproc_update_sink_caps (GstVaapiPostproc * postproc, GstCaps * caps,
gboolean * caps_changed_ptr)
{
GstVideoInfo vi;
gboolean deinterlace;
if (!gst_video_info_from_caps (&vi, caps))
return FALSE;
if (video_info_changed (&vi, &postproc->sinkpad_info))
postproc->sinkpad_info = vi, *caps_changed_ptr = TRUE;
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)
{
GstVideoInfo vi;
if (!gst_video_info_from_caps (&vi, caps))
return FALSE;
if (video_info_changed (&vi, &postproc->srcpad_info))
postproc->srcpad_info = vi, *caps_changed_ptr = TRUE;
if (postproc->format != GST_VIDEO_INFO_FORMAT (&postproc->sinkpad_info) &&
postproc->format != DEFAULT_FORMAT)
postproc->flags |= GST_VAAPI_POSTPROC_FLAG_FORMAT;
if ((postproc->width || postproc->height) &&
postproc->width != GST_VIDEO_INFO_WIDTH (&postproc->sinkpad_info) &&
postproc->height != 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;
/* Create VA caps */
out_caps = gst_caps_from_string (GST_VAAPIPOSTPROC_SURFACE_CAPS ", "
GST_CAPS_INTERLACED_MODES);
if (!out_caps) {
GST_ERROR ("failed to create VA sink caps");
return FALSE;
}
/* Append raw video caps */
if (gst_vaapipostproc_ensure_uploader (postproc)) {
raw_caps = GST_VAAPI_PLUGIN_BASE_UPLOADER_CAPS (postproc);
if (raw_caps) {
out_caps = gst_caps_make_writable (out_caps);
gst_caps_append (out_caps, gst_caps_copy (raw_caps));
} else
GST_WARNING ("failed to create YUV sink 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;
gboolean had_filter;
had_filter = postproc->filter != NULL;
if (!had_filter && !gst_vaapipostproc_ensure_filter (postproc))
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++) {
#if GST_CHECK_VERSION(1,1,0)
GstCapsFeatures *const features = gst_caps_get_features (caps, i);
if (gst_caps_features_contains (features,
GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META))
continue;
#endif
GstStructure *const structure = gst_caps_get_structure (caps, i);
if (!structure)
continue;
gst_structure_set_value (structure, "format", &value);
}
g_value_unset (&value);
cleanup:
if (!had_filter)
gst_vaapipostproc_destroy_filter (postproc);
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 ("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 void
find_best_size (GstVaapiPostproc * postproc, GstVideoInfo * vip,
guint * width_ptr, guint * height_ptr)
{
guint width, height;
width = GST_VIDEO_INFO_WIDTH (vip);
height = GST_VIDEO_INFO_HEIGHT (vip);
if (postproc->width && postproc->height) {
width = postproc->width;
height = postproc->height;
} else if (postproc->keep_aspect) {
const gdouble ratio = (gdouble) width / height;
if (postproc->width) {
width = postproc->width;
height = postproc->width / ratio;
} else if (postproc->height) {
height = postproc->height;
width = postproc->height * ratio;
}
} else if (postproc->width)
width = postproc->width;
else if (postproc->height)
height = postproc->height;
*width_ptr = width;
*height_ptr = height;
}
static GstCaps *
gst_vaapipostproc_transform_caps_impl (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GstVideoInfo vi;
GstVideoFormat out_format;
GstCaps *out_caps;
#if GST_CHECK_VERSION(1,1,0)
GstVaapiCapsFeature feature;
const gchar *feature_str;
#endif
guint width, height;
/* Generate the sink pad caps, that could be fixated afterwards */
if (direction == GST_PAD_SRC) {
if (!ensure_allowed_sinkpad_caps (postproc))
return NULL;
return gst_caps_ref (postproc->allowed_sinkpad_caps);
}
/* Generate complete set of src pad caps if non-fixated sink pad
caps are provided */
if (!gst_caps_is_fixed (caps)) {
if (!ensure_allowed_srcpad_caps (postproc))
return NULL;
return gst_caps_ref (postproc->allowed_srcpad_caps);
}
/* Generate the expected src pad caps, from the current fixated
sink pad caps */
if (!gst_video_info_from_caps (&vi, caps))
return NULL;
// Set double framerate in interlaced mode
if (is_deinterlace_enabled (postproc, &vi)) {
gint fps_n = GST_VIDEO_INFO_FPS_N (&vi);
gint fps_d = GST_VIDEO_INFO_FPS_D (&vi);
if (!gst_util_fraction_multiply (fps_n, fps_d, 2, 1, &fps_n, &fps_d))
return NULL;
GST_VIDEO_INFO_FPS_N (&vi) = fps_n;
GST_VIDEO_INFO_FPS_D (&vi) = fps_d;
}
// Signal the other pad that we only generate progressive frames
GST_VIDEO_INFO_INTERLACE_MODE (&vi) = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
// Update size from user-specified parameters
find_best_size (postproc, &vi, &width, &height);
// Update format from user-specified parameters
#if GST_CHECK_VERSION(1,1,0)
/* XXX: this is a workaround until auto-plugging is fixed when
* format=ENCODED + memory:VASurface caps feature are provided.
* use the downstream negotiated video format as the output format
* if the user didn't explicitly ask for colorspace conversion.
* Use a filter caps which contain all raw video formats, (excluding
* GST_VIDEO_FORMAT_ENCODED) */
if (postproc->format != DEFAULT_FORMAT)
out_format = postproc->format;
else {
GstCaps *peer_caps;
GstVideoInfo peer_vi;
peer_caps =
gst_pad_peer_query_caps (GST_BASE_TRANSFORM_SRC_PAD (trans),
postproc->allowed_srcpad_caps);
if (gst_caps_is_empty (peer_caps))
return peer_caps;
if (!gst_caps_is_fixed (peer_caps))
peer_caps = gst_caps_fixate (peer_caps);
gst_video_info_from_caps (&peer_vi, peer_caps);
out_format = GST_VIDEO_INFO_FORMAT (&peer_vi);
if (peer_caps)
gst_caps_unref (peer_caps);
}
feature =
gst_vaapi_find_preferred_caps_feature (GST_BASE_TRANSFORM_SRC_PAD (trans),
out_format);
switch (feature) {
case GST_VAAPI_CAPS_FEATURE_GL_TEXTURE_UPLOAD_META:
out_format = GST_VIDEO_FORMAT_RGBA;
break;
default:
break;
}
#else
out_format = GST_VIDEO_FORMAT_ENCODED;
#endif
gst_video_info_change_format (&vi, out_format, width, height);
#if GST_CHECK_VERSION(1,1,0)
out_caps = gst_video_info_to_caps (&vi);
if (!out_caps)
return NULL;
if (feature) {
feature_str = gst_vaapi_caps_feature_to_string (feature);
if (feature_str)
gst_caps_set_features (out_caps, 0,
gst_caps_features_new (feature_str, NULL));
}
#else
/* XXX: gst_video_info_to_caps() from GStreamer 0.10 does not
reconstruct suitable caps for "encoded" video formats */
out_caps = gst_caps_from_string (GST_VAAPI_SURFACE_CAPS_NAME);
if (!out_caps)
return NULL;
gst_caps_set_simple (out_caps,
"type", G_TYPE_STRING, "vaapi",
"opengl", G_TYPE_BOOLEAN, USE_GLX,
"width", G_TYPE_INT, GST_VIDEO_INFO_WIDTH (&vi),
"height", G_TYPE_INT, GST_VIDEO_INFO_HEIGHT (&vi),
"framerate", GST_TYPE_FRACTION, GST_VIDEO_INFO_FPS_N (&vi),
GST_VIDEO_INFO_FPS_D (&vi),
"pixel-aspect-ratio", GST_TYPE_FRACTION, GST_VIDEO_INFO_PAR_N (&vi),
GST_VIDEO_INFO_PAR_D (&vi), NULL);
gst_caps_set_interlaced (out_caps, &vi);
#endif
return out_caps;
}
#if GST_CHECK_VERSION(1,0,0)
static GstCaps *
gst_vaapipostproc_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *out_caps;
caps = gst_vaapipostproc_transform_caps_impl (trans, direction, caps);
if (caps && filter) {
out_caps = gst_caps_intersect_full (caps, filter, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
return out_caps;
}
return caps;
}
#else
#define gst_vaapipostproc_transform_caps \
gst_vaapipostproc_transform_caps_impl
#endif
#if GST_CHECK_VERSION(1,0,0)
typedef gsize GstBaseTransformSizeType;
#else
typedef guint GstBaseTransformSizeType;
#endif
static gboolean
gst_vaapipostproc_transform_size (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstBaseTransformSizeType size,
GstCaps * othercaps, GstBaseTransformSizeType * 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 ("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,
#if !GST_CHECK_VERSION(1,0,0)
gint size, GstCaps * caps,
#endif
GstBuffer ** outbuf_ptr)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
*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;
gst_video_info_init (&vi);
gst_video_info_from_caps (&vi, caps);
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 (&vi, &postproc->filter_pool_info))
return TRUE;
postproc->filter_pool_info = vi;
pool = gst_vaapi_surface_pool_new (GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc),
&postproc->filter_pool_info);
if (!pool)
return FALSE;
gst_vaapi_video_pool_replace (&postproc->filter_pool, pool);
gst_vaapi_video_pool_unref (pool);
return TRUE;
}
static gboolean
gst_vaapipostproc_set_caps (GstBaseTransform * trans, GstCaps * caps,
GstCaps * out_caps)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
gboolean caps_changed = FALSE;
if (!gst_vaapipostproc_update_sink_caps (postproc, caps, &caps_changed))
return FALSE;
if (!gst_vaapipostproc_update_src_caps (postproc, out_caps, &caps_changed))
return FALSE;
if (caps_changed) {
gst_vaapipostproc_destroy (postproc);
if (!gst_vaapipostproc_create (postproc))
return FALSE;
if (!gst_vaapi_plugin_base_set_caps (GST_VAAPI_PLUGIN_BASE (trans),
caps, out_caps))
return FALSE;
}
if (!ensure_srcpad_buffer_pool (postproc, out_caps))
return FALSE;
return TRUE;
}
static gboolean
gst_vaapipostproc_query (GstBaseTransform * trans, GstPadDirection direction,
GstQuery * query)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (trans);
GST_INFO_OBJECT (trans, "query type `%s'", GST_QUERY_TYPE_NAME (query));
if (gst_vaapi_reply_to_query (query,
GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc))) {
GST_DEBUG ("sharing display %p", GST_VAAPI_PLUGIN_BASE_DISPLAY (postproc));
return TRUE;
}
return
GST_BASE_TRANSFORM_CLASS (gst_vaapipostproc_parent_class)->query (trans,
direction, query);
}
#if GST_CHECK_VERSION(1,0,0)
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);
/* 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, 0);
}
#endif
static void
gst_vaapipostproc_finalize (GObject * object)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (object);
gst_vaapipostproc_destroy (postproc);
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);
switch (prop_id) {
case PROP_FORMAT:
postproc->format = g_value_get_enum (value);
break;
case PROP_WIDTH:
postproc->width = g_value_get_uint (value);
break;
case PROP_HEIGHT:
postproc->height = g_value_get_uint (value);
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;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_vaapipostproc_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstVaapiPostproc *const postproc = GST_VAAPIPOSTPROC (object);
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;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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);
GstPadTemplate *pad_template;
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->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;
#if GST_CHECK_VERSION(1,0,0)
trans_class->propose_allocation = gst_vaapipostproc_propose_allocation;
trans_class->decide_allocation = gst_vaapipostproc_decide_allocation;
#endif
trans_class->prepare_output_buffer = gst_vaapipostproc_prepare_output_buffer;
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 */
pad_template = gst_static_pad_template_get (&gst_vaapipostproc_sink_factory);
gst_element_class_add_pad_template (element_class, pad_template);
/* src pad */
pad_template = gst_static_pad_template_get (&gst_vaapipostproc_src_factory);
gst_element_class_add_pad_template (element_class, pad_template);
/**
* 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);
g_ptr_array_unref (filter_ops);
}
static void
gst_vaapipostproc_init (GstVaapiPostproc * postproc)
{
gst_vaapi_plugin_base_init (GST_VAAPI_PLUGIN_BASE (postproc),
GST_CAT_DEFAULT);
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;
gst_video_info_init (&postproc->sinkpad_info);
gst_video_info_init (&postproc->srcpad_info);
gst_video_info_init (&postproc->filter_pool_info);
}
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