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gstreamer/subprojects/gst-plugins-bad/sys/msdk/gstmsdkvpp.c
Mengkejiergeli Ba 3ca6734860 msdkvpp: Add 12bit formats 
Add 12bit formats for different chroma samplings at sink pad and
src pad, including P012_LE, Y212_LE and Y412_LE.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1218>
2021-10-26 07:08:10 +00:00

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/* GStreamer Intel MSDK plugin
* Copyright (c) 2018, Intel Corporation
* All rights reserved.
*
* Author: Sreerenj Balachaandran <sreerenj.balachandran@intel.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* SECTION: element-msdkvpp
* @title: msdkvpp
* @short_description: MSDK Video Postprocessor
*
* A MediaSDK Video Postprocessing Filter
*
* ## Example launch line
* ```
* gst-launch-1.0 videotestsrc ! msdkvpp ! glimagesink
* ```
*
* Since: 1.16
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include "gstmsdkvpp.h"
#include "gstmsdkbufferpool.h"
#include "gstmsdkvideomemory.h"
#include "gstmsdksystemmemory.h"
#include "gstmsdkcontextutil.h"
#include "gstmsdkvpputil.h"
#define EXT_FORMATS ""
#ifndef _WIN32
#include "gstmsdkallocator_libva.h"
#if VA_CHECK_VERSION(1, 4, 1)
#undef EXT_FORMATS
#define EXT_FORMATS ", BGR10A2_LE"
#endif
#endif
#if (MFX_VERSION >= 2004)
#define EXT_SINK_FORMATS ", RGB16, Y410, Y210, P012_LE, Y212_LE, Y412_LE"
#define EXT_SRC_FORMATS ", YV12, Y410, Y210, RGBP, BGRP, P012_LE, Y212_LE, Y412_LE"
#elif (MFX_VERSION >= 1032)
#define EXT_SINK_FORMATS ", RGB16, Y410, Y210, P012_LE, Y212_LE, Y412_LE"
#define EXT_SRC_FORMATS ", YV12, Y410, Y210, P012_LE, Y212_LE, Y412_LE"
#elif (MFX_VERSION >= 1031)
#define EXT_SINK_FORMATS ", RGB16, Y410, Y210, P012_LE, Y212_LE, Y412_LE"
#define EXT_SRC_FORMATS ", Y410, Y210, P012_LE, Y212_LE, Y412_LE"
#elif (MFX_VERSION >= 1028)
#define EXT_SINK_FORMATS ", RGB16, Y410, Y210"
#define EXT_SRC_FORMATS ", Y410, Y210"
#elif (MFX_VERSION >= 1027)
#define EXT_SINK_FORMATS ", Y410, Y210"
#define EXT_SRC_FORMATS ", Y410, Y210"
#else
#define EXT_SINK_FORMATS ""
#define EXT_SRC_FORMATS ""
#endif
GST_DEBUG_CATEGORY_EXTERN (gst_msdkvpp_debug);
#define GST_CAT_DEFAULT gst_msdkvpp_debug
#define SUPPORTED_SYSTEM_FORMAT \
"{ NV12, YV12, I420, YUY2, UYVY, VUYA, BGRA, BGRx, P010_10LE" EXT_SINK_FORMATS "}"
#define SUPPORTED_DMABUF_FORMAT \
"{ NV12, BGRA, YUY2, UYVY, VUYA, P010_10LE" EXT_SINK_FORMATS "}"
#define SRC_SYSTEM_FORMAT \
"{ NV12, BGRA, YUY2, UYVY, VUYA, BGRx, P010_10LE" EXT_FORMATS EXT_SRC_FORMATS "}"
#define SRC_DMABUF_FORMAT \
"{ NV12, BGRA, YUY2, UYVY, VUYA, BGRx, P010_10LE" EXT_FORMATS EXT_SRC_FORMATS "}"
#ifndef _WIN32
#define DMABUF_SINK_CAPS_STR \
GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_DMABUF, \
SUPPORTED_DMABUF_FORMAT)
#else
#define DMABUF_SINK_CAPS_STR ""
#endif
#ifndef _WIN32
#define DMABUF_SRC_CAPS_STR \
GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_DMABUF, \
SRC_DMABUF_FORMAT) ";"
#else
#define DMABUF_SRC_CAPS_STR ""
#endif
static GstStaticPadTemplate gst_msdkvpp_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (SUPPORTED_SYSTEM_FORMAT)
", " "interlace-mode = (string){ progressive, interleaved, mixed }" ";"
DMABUF_SINK_CAPS_STR));
static GstStaticPadTemplate gst_msdkvpp_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (DMABUF_SRC_CAPS_STR
GST_VIDEO_CAPS_MAKE (SRC_SYSTEM_FORMAT) ", "
"interlace-mode = (string){ progressive, interleaved, mixed }" ";"));
enum
{
PROP_0,
PROP_HARDWARE,
PROP_ASYNC_DEPTH,
PROP_DENOISE,
#ifndef GST_REMOVE_DEPRECATED
PROP_ROTATION,
#endif
PROP_DEINTERLACE_MODE,
PROP_DEINTERLACE_METHOD,
PROP_HUE,
PROP_SATURATION,
PROP_BRIGHTNESS,
PROP_CONTRAST,
PROP_DETAIL,
#ifndef GST_REMOVE_DEPRECATED
PROP_MIRRORING,
#endif
PROP_SCALING_MODE,
PROP_FORCE_ASPECT_RATIO,
PROP_FRC_ALGORITHM,
PROP_VIDEO_DIRECTION,
PROP_CROP_LEFT,
PROP_CROP_RIGHT,
PROP_CROP_TOP,
PROP_CROP_BOTTOM,
PROP_N,
};
#define PROP_HARDWARE_DEFAULT TRUE
#define PROP_ASYNC_DEPTH_DEFAULT 1
#define PROP_DENOISE_DEFAULT 0
#ifndef GST_REMOVE_DEPRECATED
#define PROP_ROTATION_DEFAULT MFX_ANGLE_0
#define PROP_MIRRORING_DEFAULT MFX_MIRRORING_DISABLED
#endif
#define PROP_DEINTERLACE_MODE_DEFAULT GST_MSDKVPP_DEINTERLACE_MODE_AUTO
#define PROP_DEINTERLACE_METHOD_DEFAULT MFX_DEINTERLACING_BOB
#define PROP_HUE_DEFAULT 0
#define PROP_SATURATION_DEFAULT 1
#define PROP_BRIGHTNESS_DEFAULT 0
#define PROP_CONTRAST_DEFAULT 1
#define PROP_DETAIL_DEFAULT 0
#define PROP_SCALING_MODE_DEFAULT MFX_SCALING_MODE_DEFAULT
#define PROP_FORCE_ASPECT_RATIO_DEFAULT TRUE
#define PROP_FRC_ALGORITHM_DEFAULT _MFX_FRC_ALGORITHM_NONE
#define PROP_VIDEO_DIRECTION_DEFAULT GST_VIDEO_ORIENTATION_IDENTITY
#define PROP_CROP_LEFT_DEFAULT 0
#define PROP_CROP_RIGHT_DEFAULT 0
#define PROP_CROP_TOP_DEFAULT 0
#define PROP_CROP_BOTTOM_DEFAULT 0
/* 8 should enough for a normal encoder */
#define SRC_POOL_SIZE_DEFAULT 8
#define gst_msdkvpp_parent_class parent_class
G_DEFINE_TYPE (GstMsdkVPP, gst_msdkvpp, GST_TYPE_BASE_TRANSFORM);
typedef struct
{
mfxFrameSurface1 *surface;
GstBuffer *buf;
} MsdkSurface;
static void
free_msdk_surface (gpointer p)
{
MsdkSurface *surface = (MsdkSurface *) p;
if (surface->buf)
gst_buffer_unref (surface->buf);
g_slice_free (MsdkSurface, surface);
}
static void
release_msdk_surface (GstMsdkVPP * thiz, MsdkSurface * surface, GList ** list)
{
if (surface->surface) {
if (surface->surface->Data.Locked) {
*list = g_list_append (*list, surface);
} else {
free_msdk_surface (surface);
}
}
}
static void
release_in_surface (GstMsdkVPP * thiz, MsdkSurface * surface,
gboolean locked_by_others)
{
if (locked_by_others) {
/* mfxFrameSurface1 locked by others, others will hold the surface->buf reference */
/* we are good to release it here */
free_msdk_surface (surface);
} else {
release_msdk_surface (thiz, surface, &thiz->locked_in_surfaces);
}
}
static void
release_out_surface (GstMsdkVPP * thiz, MsdkSurface * surface)
{
release_msdk_surface (thiz, surface, &thiz->locked_out_surfaces);
}
static void
free_unlocked_msdk_surfaces_from_list (GstMsdkVPP * thiz, GList ** list)
{
GList *l;
MsdkSurface *surface;
for (l = *list; l;) {
GList *next = l->next;
surface = l->data;
if (surface->surface->Data.Locked == 0) {
free_msdk_surface (surface);
*list = g_list_delete_link (*list, l);
}
l = next;
}
}
static void
free_unlocked_msdk_surfaces (GstMsdkVPP * thiz)
{
free_unlocked_msdk_surfaces_from_list (thiz, &thiz->locked_in_surfaces);
free_unlocked_msdk_surfaces_from_list (thiz, &thiz->locked_out_surfaces);
}
static void
free_all_msdk_surfaces (GstMsdkVPP * thiz)
{
g_list_free_full (thiz->locked_in_surfaces, free_msdk_surface);
thiz->locked_in_surfaces = NULL;
g_list_free_full (thiz->locked_out_surfaces, free_msdk_surface);
thiz->locked_out_surfaces = NULL;
}
static void
gst_msdkvpp_add_extra_param (GstMsdkVPP * thiz, mfxExtBuffer * param)
{
if (thiz->num_extra_params < MAX_EXTRA_PARAMS) {
thiz->extra_params[thiz->num_extra_params] = param;
thiz->num_extra_params++;
}
}
static gboolean
gst_msdkvpp_context_prepare (GstMsdkVPP * thiz)
{
/* Try to find an existing context from the pipeline. This may (indirectly)
* invoke gst_msdkvpp_set_context, which will set thiz->context. */
if (!gst_msdk_context_find (GST_ELEMENT_CAST (thiz), &thiz->context))
return FALSE;
if (thiz->context == thiz->old_context) {
GST_INFO_OBJECT (thiz, "Found old context %" GST_PTR_FORMAT
", reusing as-is", thiz->context);
return TRUE;
}
GST_INFO_OBJECT (thiz, "Found context %" GST_PTR_FORMAT " from neighbour",
thiz->context);
/* Check GST_MSDK_JOB_VPP and GST_MSDK_JOB_ENCODER together to avoid sharing context
* between VPP and ENCODER
* Example:
* gst-launch-1.0 videotestsrc ! msdkvpp ! video/x-raw,format=YUY2 ! msdkh264enc ! fakesink
*/
if (!(gst_msdk_context_get_job_type (thiz->context) & (GST_MSDK_JOB_VPP |
GST_MSDK_JOB_ENCODER))) {
gst_msdk_context_add_job_type (thiz->context, GST_MSDK_JOB_VPP);
return TRUE;
}
/* Found an existing context that's already being used as VPP, so clone the
* MFX session inside it to create a new one */
{
GstMsdkContext *parent_context, *msdk_context;
GST_INFO_OBJECT (thiz, "Creating new context %" GST_PTR_FORMAT " with "
"joined session", thiz->context);
parent_context = thiz->context;
msdk_context = gst_msdk_context_new_with_parent (parent_context);
if (!msdk_context) {
GST_ERROR_OBJECT (thiz, "Failed to create a context with parent context "
"as %" GST_PTR_FORMAT, parent_context);
return FALSE;
}
thiz->context = msdk_context;
gst_object_unref (parent_context);
}
return TRUE;
}
static gboolean
ensure_context (GstBaseTransform * trans)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
if (!gst_msdkvpp_context_prepare (thiz)) {
if (!gst_msdk_context_ensure_context (GST_ELEMENT_CAST (thiz),
thiz->hardware, GST_MSDK_JOB_VPP))
return FALSE;
GST_INFO_OBJECT (thiz, "Creating new context %" GST_PTR_FORMAT,
thiz->context);
}
/* Save the current context in a separate field so that we know whether it
* has changed between calls to _start() */
gst_object_replace ((GstObject **) & thiz->old_context,
(GstObject *) thiz->context);
gst_msdk_context_add_shared_async_depth (thiz->context, thiz->async_depth);
return TRUE;
}
static GstBuffer *
create_output_buffer (GstMsdkVPP * thiz)
{
GstBuffer *outbuf;
GstFlowReturn ret;
GstBufferPool *pool = thiz->srcpad_buffer_pool;
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 (thiz, "failed to activate output video buffer pool");
return NULL;
}
error_create_buffer:
{
GST_ERROR_OBJECT (thiz, "failed to create output video buffer");
return NULL;
}
}
static GstFlowReturn
gst_msdkvpp_prepare_output_buffer (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer ** outbuf_ptr)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
if (gst_base_transform_is_passthrough (trans)) {
*outbuf_ptr = inbuf;
return GST_FLOW_OK;
}
*outbuf_ptr = create_output_buffer (thiz);
return *outbuf_ptr ? GST_FLOW_OK : GST_FLOW_ERROR;
}
static GstBufferPool *
gst_msdkvpp_create_buffer_pool (GstMsdkVPP * thiz, GstPadDirection direction,
GstCaps * caps, guint min_num_buffers)
{
GstBufferPool *pool = NULL;
GstStructure *config;
GstAllocator *allocator = NULL;
GstVideoInfo info;
GstVideoInfo *pool_info = NULL;
GstVideoAlignment align;
GstAllocationParams params = { 0, 31, 0, 0, };
mfxFrameAllocResponse *alloc_resp = NULL;
gboolean use_dmabuf = FALSE;
if (direction == GST_PAD_SINK) {
alloc_resp = &thiz->in_alloc_resp;
pool_info = &thiz->sinkpad_buffer_pool_info;
use_dmabuf = thiz->use_sinkpad_dmabuf;
} else if (direction == GST_PAD_SRC) {
alloc_resp = &thiz->out_alloc_resp;
pool_info = &thiz->srcpad_buffer_pool_info;
use_dmabuf = thiz->use_srcpad_dmabuf;
}
pool = gst_msdk_buffer_pool_new (thiz->context, alloc_resp);
if (!pool)
goto error_no_pool;
if (!gst_video_info_from_caps (&info, caps))
goto error_no_video_info;
gst_msdk_set_video_alignment (&info, 0, 0, &align);
gst_video_info_align (&info, &align);
if (use_dmabuf)
allocator =
gst_msdk_dmabuf_allocator_new (thiz->context, &info, alloc_resp);
else if (thiz->use_video_memory)
allocator = gst_msdk_video_allocator_new (thiz->context, &info, alloc_resp);
else
allocator = gst_msdk_system_allocator_new (&info);
if (!allocator)
goto error_no_allocator;
config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
/* we do not support dynamic buffer count change */
gst_buffer_pool_config_set_params (config, caps, info.size, min_num_buffers,
min_num_buffers);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
if (thiz->use_video_memory) {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_MSDK_USE_VIDEO_MEMORY);
if (use_dmabuf)
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_MSDK_USE_DMABUF);
}
gst_buffer_pool_config_set_video_alignment (config, &align);
gst_buffer_pool_config_set_allocator (config, allocator, &params);
gst_object_unref (allocator);
if (!gst_buffer_pool_set_config (pool, config))
goto error_pool_config;
/* Updating pool_info with aligned info of allocator */
*pool_info = info;
return pool;
error_no_pool:
{
GST_INFO_OBJECT (thiz, "Failed to create bufferpool");
return NULL;
}
error_no_video_info:
{
GST_INFO_OBJECT (thiz, "Failed to get Video info from caps");
gst_object_unref (pool);
return NULL;
}
error_no_allocator:
{
GST_INFO_OBJECT (thiz, "Failed to create allocator");
gst_object_unref (pool);
return NULL;
}
error_pool_config:
{
GST_INFO_OBJECT (thiz, "Failed to set config");
gst_object_unref (pool);
gst_object_unref (allocator);
return NULL;
}
}
static gboolean
_gst_caps_has_feature (const GstCaps * caps, const gchar * feature)
{
guint i;
for (i = 0; i < gst_caps_get_size (caps); i++) {
GstCapsFeatures *const features = gst_caps_get_features (caps, i);
/* Skip ANY features, we need an exact match for correct evaluation */
if (gst_caps_features_is_any (features))
continue;
if (gst_caps_features_contains (features, feature))
return TRUE;
}
return FALSE;
}
static GstBufferPool *
create_src_pool (GstMsdkVPP * thiz, GstQuery * query, GstCaps * caps)
{
GstBufferPool *pool = NULL;
guint size = 0, min_buffers = 0, max_buffers = 0;
gboolean update_pool = FALSE;
GstAllocator *allocator = NULL;
GstAllocationParams params;
mfxFrameAllocRequest request;
/* Check whether the query has pool */
if (gst_query_get_n_allocation_pools (query) > 0) {
update_pool = TRUE;
gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL);
}
if (pool) {
GstStructure *config = NULL;
/* get the configured pool properties inorder to set in query */
config = gst_buffer_pool_get_config (pool);
gst_object_unref (pool);
gst_buffer_pool_config_get_params (config, &caps, &size, &min_buffers,
&max_buffers);
if (gst_buffer_pool_config_get_allocator (config, &allocator, &params))
gst_query_add_allocation_param (query, allocator, &params);
gst_structure_free (config);
} else {
/* if we have tee after msdkvpp, we will not have pool for src pad,
we need assign size for the internal pool
gst-launch-1.0 -v videotestsrc ! msdkvpp ! tee ! msdkh264enc ! fakesink silent=false
*/
min_buffers = SRC_POOL_SIZE_DEFAULT;
}
/* Always create a pool for vpp out buffers. Each of the msdk element
* has to create it's own mfxsurfacepool which is an msdk constraint.
* For eg: Each Msdk component (vpp, dec and enc) will invoke the external
* Frame allocator for video-memory usage.So sharing the pool between
* gst-msdk elements might not be a good idea, rather each element
* can check the buffer type (whether it is from msdk-buffer pool)
* to make sure there is no copy. Since we share the context between
* msdk elements, using buffers from one sdk's framealloator in another
* sdk-components is perfectly fine */
gst_msdk_frame_free (thiz->context, &thiz->out_alloc_resp);
request = thiz->request[1];
min_buffers += thiz->async_depth + request.NumFrameSuggested;
request.NumFrameSuggested = min_buffers;
gst_msdk_frame_alloc (thiz->context, &request, &thiz->out_alloc_resp);
pool = gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SRC, caps, min_buffers);
if (!pool)
return NULL;
/* we do not support dynamic buffer count change */
max_buffers = min_buffers;
if (update_pool)
gst_query_set_nth_allocation_pool (query, 0, pool, size, min_buffers,
max_buffers);
else
gst_query_add_allocation_pool (query, pool, size, min_buffers, max_buffers);
return pool;
}
static gboolean
gst_msdkvpp_decide_allocation (GstBaseTransform * trans, GstQuery * query)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
GstVideoInfo info;
GstCaps *caps;
gst_query_parse_allocation (query, &caps, NULL);
if (!caps) {
GST_ERROR_OBJECT (thiz, "Failed to parse the decide_allocation caps");
return FALSE;
}
if (!gst_video_info_from_caps (&info, caps)) {
GST_ERROR_OBJECT (thiz, "Failed to get video info");
return FALSE;
}
/* if downstream allocation query supports dmabuf-capsfeatures,
* we do allocate dmabuf backed memory */
if (_gst_caps_has_feature (caps, GST_CAPS_FEATURE_MEMORY_DMABUF)) {
GST_INFO_OBJECT (thiz, "MSDK VPP srcpad uses DMABuf memory");
thiz->use_srcpad_dmabuf = TRUE;
}
if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL))
thiz->add_video_meta = TRUE;
else
thiz->add_video_meta = FALSE;
gst_clear_object (&thiz->srcpad_buffer_pool);
thiz->srcpad_buffer_pool = create_src_pool (thiz, query, caps);
if (!thiz->srcpad_buffer_pool)
return FALSE;
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
/* Fixme if downstream doesn't have videometa support, msdkvpp should
* copy the output buffers */
return TRUE;
}
static gboolean
gst_msdkvpp_propose_allocation (GstBaseTransform * trans,
GstQuery * decide_query, GstQuery * query)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
GstVideoInfo info;
GstBufferPool *pool = NULL;
GstAllocator *allocator = NULL;
GstCaps *caps;
GstStructure *config;
gboolean need_pool;
GstAllocationParams params;
guint size;
guint min_buffers = thiz->async_depth + 1;
gst_query_parse_allocation (query, &caps, &need_pool);
if (!caps) {
GST_ERROR_OBJECT (thiz, "Failed to parse the allocation caps");
return FALSE;
}
if (!gst_video_info_from_caps (&info, caps)) {
GST_ERROR_OBJECT (thiz, "Failed to get video info");
return FALSE;
}
/* if upstream allocation query supports dmabuf-capsfeatures,
* we do allocate dmabuf backed memory */
if (_gst_caps_has_feature (caps, GST_CAPS_FEATURE_MEMORY_DMABUF)) {
GST_INFO_OBJECT (thiz, "MSDK VPP srcpad uses DMABuf memory");
thiz->use_sinkpad_dmabuf = TRUE;
}
if (need_pool) {
/* alwys provide a new pool for upstream to help re-negotiation
* more info here: https://bugzilla.gnome.org/show_bug.cgi?id=748344 */
pool = gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SINK, caps,
min_buffers);
}
/* Update the internal pool if any allocation attribute changed */
if (!gst_video_info_is_equal (&thiz->sinkpad_buffer_pool_info, &info)) {
gst_object_unref (thiz->sinkpad_buffer_pool);
thiz->sinkpad_buffer_pool = gst_msdkvpp_create_buffer_pool (thiz,
GST_PAD_SINK, caps, min_buffers);
}
/* get the size and allocator params from configured pool and set it in query */
if (!need_pool)
pool = gst_object_ref (thiz->sinkpad_buffer_pool);
config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
gst_buffer_pool_config_get_params (config, NULL, &size, NULL, NULL);
if (gst_buffer_pool_config_get_allocator (config, &allocator, &params))
gst_query_add_allocation_param (query, allocator, &params);
gst_structure_free (config);
/* if upstream doesn't have a pool requirement, set only
* size, min_buffers and max_buffers in query */
gst_query_add_allocation_pool (query, need_pool ? pool : NULL, size,
min_buffers, 0);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
gst_object_unref (pool);
return GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans,
decide_query, query);
}
static MsdkSurface *
get_surface_from_pool (GstMsdkVPP * thiz, GstBufferPool * pool,
GstBufferPoolAcquireParams * params)
{
GstBuffer *new_buffer;
mfxFrameSurface1 *new_surface;
MsdkSurface *msdk_surface;
if (!gst_buffer_pool_is_active (pool) &&
!gst_buffer_pool_set_active (pool, TRUE)) {
GST_ERROR_OBJECT (pool, "failed to activate buffer pool");
return NULL;
}
if (gst_buffer_pool_acquire_buffer (pool, &new_buffer, params) != GST_FLOW_OK) {
GST_ERROR_OBJECT (pool, "failed to acquire a buffer from pool");
return NULL;
}
if (gst_msdk_is_msdk_buffer (new_buffer))
new_surface = gst_msdk_get_surface_from_buffer (new_buffer);
else {
GST_ERROR_OBJECT (pool, "the acquired memory is not MSDK memory");
return NULL;
}
msdk_surface = g_slice_new0 (MsdkSurface);
msdk_surface->surface = new_surface;
msdk_surface->buf = new_buffer;
return msdk_surface;
}
#ifndef _WIN32
static gboolean
import_dmabuf_to_msdk_surface (GstMsdkVPP * thiz, GstBuffer * buf,
MsdkSurface * msdk_surface)
{
GstMemory *mem = NULL;
GstVideoInfo vinfo;
GstVideoMeta *vmeta;
GstMsdkMemoryID *msdk_mid = NULL;
mfxFrameSurface1 *mfx_surface = NULL;
gint fd, i;
mem = gst_buffer_peek_memory (buf, 0);
fd = gst_dmabuf_memory_get_fd (mem);
if (fd < 0)
return FALSE;
vinfo = thiz->sinkpad_info;
/* Update offset/stride/size if there is VideoMeta attached to
* the buffer */
vmeta = gst_buffer_get_video_meta (buf);
if (vmeta) {
if (GST_VIDEO_INFO_FORMAT (&vinfo) != vmeta->format ||
GST_VIDEO_INFO_WIDTH (&vinfo) != vmeta->width ||
GST_VIDEO_INFO_HEIGHT (&vinfo) != vmeta->height ||
GST_VIDEO_INFO_N_PLANES (&vinfo) != vmeta->n_planes) {
GST_ERROR_OBJECT (thiz, "VideoMeta attached to buffer is not matching"
"the negotiated width/height/format");
return FALSE;
}
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&vinfo); ++i) {
GST_VIDEO_INFO_PLANE_OFFSET (&vinfo, i) = vmeta->offset[i];
GST_VIDEO_INFO_PLANE_STRIDE (&vinfo, i) = vmeta->stride[i];
}
GST_VIDEO_INFO_SIZE (&vinfo) = gst_buffer_get_size (buf);
}
/* Upstream neither accepted the msdk pool nor the msdk buffer size restrictions.
* Current media-driver and GMMLib will fail due to strict memory size restrictions.
* Ideally, media-driver should accept what ever memory coming from other drivers
* in case of dmabuf-import and this is how the intel-vaapi-driver works.
* For now, in order to avoid any crash we check the buffer size and fallback
* to copy frame method.
*
* See this: https://github.com/intel/media-driver/issues/169
* */
if (GST_VIDEO_INFO_SIZE (&vinfo) <
GST_VIDEO_INFO_SIZE (&thiz->sinkpad_buffer_pool_info))
return FALSE;
mfx_surface = msdk_surface->surface;
msdk_mid = (GstMsdkMemoryID *) mfx_surface->Data.MemId;
/* release the internal memory storage of associated mfxSurface */
gst_msdk_replace_mfx_memid (thiz->context, mfx_surface, VA_INVALID_ID);
/* export dmabuf to vasurface */
if (!gst_msdk_export_dmabuf_to_vasurface (thiz->context, &vinfo, fd,
msdk_mid->surface))
return FALSE;
return TRUE;
}
#endif
static MsdkSurface *
get_msdk_surface_from_input_buffer (GstMsdkVPP * thiz, GstBuffer * inbuf)
{
GstVideoFrame src_frame, out_frame;
MsdkSurface *msdk_surface;
#ifndef _WIN32
GstMemory *mem = NULL;
#endif
if (gst_msdk_is_msdk_buffer (inbuf)) {
msdk_surface = g_slice_new0 (MsdkSurface);
msdk_surface->surface = gst_msdk_get_surface_from_buffer (inbuf);
msdk_surface->buf = gst_buffer_ref (inbuf);
return msdk_surface;
}
/* If upstream hasn't accpeted the proposed msdk bufferpool,
* just copy frame (if not dmabuf backed) to msdk buffer and
* take a surface from it. */
if (!(msdk_surface =
get_surface_from_pool (thiz, thiz->sinkpad_buffer_pool, NULL)))
goto error;
#ifndef _WIN32
/************ dmabuf-import ************* */
/* if upstream provided a dmabuf backed memory, but not an msdk
* buffer, we could export the dmabuf to underlined vasurface */
mem = gst_buffer_peek_memory (inbuf, 0);
if (gst_is_dmabuf_memory (mem)) {
if (import_dmabuf_to_msdk_surface (thiz, inbuf, msdk_surface))
return msdk_surface;
else
GST_INFO_OBJECT (thiz, "Upstream dmabuf-backed memory is not imported"
"to the msdk surface, fall back to the copy input frame method");
}
#endif
if (!gst_video_frame_map (&src_frame, &thiz->sinkpad_info, inbuf,
GST_MAP_READ)) {
GST_ERROR_OBJECT (thiz, "failed to map the frame for source");
goto error;
}
if (!gst_video_frame_map (&out_frame, &thiz->sinkpad_buffer_pool_info,
msdk_surface->buf, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (thiz, "failed to map the frame for destination");
gst_video_frame_unmap (&src_frame);
goto error;
}
if (!gst_video_frame_copy (&out_frame, &src_frame)) {
GST_ERROR_OBJECT (thiz, "failed to copy frame");
gst_video_frame_unmap (&out_frame);
gst_video_frame_unmap (&src_frame);
goto error;
}
gst_video_frame_unmap (&out_frame);
gst_video_frame_unmap (&src_frame);
return msdk_surface;
error:
return NULL;
}
static GstFlowReturn
gst_msdkvpp_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
GstClockTime timestamp;
GstFlowReturn ret = GST_FLOW_OK;
mfxSession session;
mfxSyncPoint sync_point = NULL;
mfxStatus status;
mfxFrameInfo *in_info = NULL;
MsdkSurface *in_surface = NULL;
MsdkSurface *out_surface = NULL;
GstBuffer *outbuf_new = NULL;
gboolean locked_by_others;
gboolean create_new_surface = FALSE;
free_unlocked_msdk_surfaces (thiz);
in_surface = get_msdk_surface_from_input_buffer (thiz, inbuf);
if (!in_surface)
return GST_FLOW_ERROR;
if (!in_surface->surface) {
GST_ERROR_OBJECT (thiz, "mfx surface is NULL for the current input buffer");
free_msdk_surface (in_surface);
return GST_FLOW_ERROR;
}
locked_by_others = ! !in_surface->surface->Data.Locked;
/* always convert timestamp of input surface as msdk timestamp */
if (inbuf->pts == GST_CLOCK_TIME_NONE)
in_surface->surface->Data.TimeStamp = MFX_TIMESTAMP_UNKNOWN;
else
in_surface->surface->Data.TimeStamp =
gst_util_uint64_scale_round (inbuf->pts, 90000, GST_SECOND);
if (gst_msdk_is_msdk_buffer (outbuf)) {
out_surface = g_slice_new0 (MsdkSurface);
out_surface->surface = gst_msdk_get_surface_from_buffer (outbuf);
} else {
GST_ERROR_OBJECT (thiz, "Failed to get msdk outsurface!");
free_msdk_surface (in_surface);
return GST_FLOW_ERROR;
}
/* update surface crop info (NOTE: msdk min frame size is 2x2) */
in_info = &in_surface->surface->Info;
if ((thiz->crop_left + thiz->crop_right >= in_info->CropW - 1)
|| (thiz->crop_top + thiz->crop_bottom >= in_info->CropH - 1)) {
GST_WARNING_OBJECT (thiz, "ignoring crop... cropping too much!");
} else {
in_info->CropX = thiz->crop_left;
in_info->CropY = thiz->crop_top;
in_info->CropW -= thiz->crop_left + thiz->crop_right;
in_info->CropH -= thiz->crop_top + thiz->crop_bottom;
}
session = gst_msdk_context_get_session (thiz->context);
/* outer loop is for handling FrameRate Control and deinterlace use cases */
do {
for (;;) {
status =
MFXVideoVPP_RunFrameVPPAsync (session, in_surface->surface,
out_surface->surface, NULL, &sync_point);
timestamp = out_surface->surface->Data.TimeStamp;
if (status != MFX_WRN_DEVICE_BUSY)
break;
/* If device is busy, wait 1ms and retry, as per MSDK's recommendation */
g_usleep (1000);
}
if (timestamp == MFX_TIMESTAMP_UNKNOWN)
timestamp = GST_CLOCK_TIME_NONE;
else
timestamp = gst_util_uint64_scale_round (timestamp, GST_SECOND, 90000);
if (status == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM)
GST_WARNING_OBJECT (thiz, "VPP returned: %s",
msdk_status_to_string (status));
else if (status != MFX_ERR_NONE && status != MFX_ERR_MORE_DATA
&& status != MFX_ERR_MORE_SURFACE)
goto vpp_error;
/* No output generated */
if (status == MFX_ERR_MORE_DATA)
goto error_more_data;
/* Wait for vpp operation to complete, the magic number 300000 below
* is used in MSDK samples
* #define MSDK_VPP_WAIT_INTERVAL 300000
*/
if (sync_point &&
MFXVideoCORE_SyncOperation (session, sync_point,
300000) != MFX_ERR_NONE)
GST_WARNING_OBJECT (thiz, "failed to do sync operation");
/* push new output buffer forward after sync operation */
if (create_new_surface) {
create_new_surface = FALSE;
ret = gst_pad_push (GST_BASE_TRANSFORM_SRC_PAD (trans), outbuf_new);
if (ret != GST_FLOW_OK)
goto error_push_buffer;
}
/* More than one output buffers are generated */
if (status == MFX_ERR_MORE_SURFACE) {
outbuf_new = create_output_buffer (thiz);
GST_BUFFER_TIMESTAMP (outbuf_new) = timestamp;
GST_BUFFER_DURATION (outbuf_new) = thiz->buffer_duration;
if (gst_msdk_is_msdk_buffer (outbuf_new)) {
release_out_surface (thiz, out_surface);
out_surface = g_slice_new0 (MsdkSurface);
out_surface->surface = gst_msdk_get_surface_from_buffer (outbuf_new);
create_new_surface = TRUE;
} else {
GST_ERROR_OBJECT (thiz, "Failed to get msdk outsurface!");
goto vpp_error;
}
} else {
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
GST_BUFFER_DURATION (outbuf) = thiz->buffer_duration;
}
} while (status == MFX_ERR_MORE_SURFACE);
goto transform_end;
vpp_error:
GST_ERROR_OBJECT (thiz, "MSDK Failed to do VPP");
ret = GST_FLOW_ERROR;
goto transform_end;
error_more_data:
GST_WARNING_OBJECT (thiz,
"MSDK Requires additional input for processing, "
"Retruning FLOW_DROPPED since no output buffer was generated");
ret = GST_BASE_TRANSFORM_FLOW_DROPPED;
goto transform_end;
error_push_buffer:
GST_DEBUG_OBJECT (thiz, "failed to push output buffer: %s",
gst_flow_get_name (ret));
transform_end:
release_in_surface (thiz, in_surface, locked_by_others);
release_out_surface (thiz, out_surface);
return ret;
}
static void
gst_msdkvpp_close (GstMsdkVPP * thiz)
{
mfxStatus status;
if (!thiz->context)
return;
if (thiz->use_video_memory) {
gst_msdk_frame_free (thiz->context, &thiz->in_alloc_resp);
gst_msdk_frame_free (thiz->context, &thiz->out_alloc_resp);
}
GST_DEBUG_OBJECT (thiz, "Closing VPP 0x%p", thiz->context);
status = MFXVideoVPP_Close (gst_msdk_context_get_session (thiz->context));
if (status != MFX_ERR_NONE && status != MFX_ERR_NOT_INITIALIZED) {
GST_WARNING_OBJECT (thiz, "VPP close failed (%s)",
msdk_status_to_string (status));
}
free_all_msdk_surfaces (thiz);
gst_clear_object (&thiz->context);
memset (&thiz->param, 0, sizeof (thiz->param));
gst_clear_object (&thiz->sinkpad_buffer_pool);
gst_clear_object (&thiz->srcpad_buffer_pool);
thiz->buffer_duration = GST_CLOCK_TIME_NONE;
gst_video_info_init (&thiz->sinkpad_info);
gst_video_info_init (&thiz->srcpad_info);
}
static void
ensure_filters (GstMsdkVPP * thiz)
{
/* Denoise */
if (thiz->flags & GST_MSDK_FLAG_DENOISE) {
mfxExtVPPDenoise *mfx_denoise = &thiz->mfx_denoise;
mfx_denoise->Header.BufferId = MFX_EXTBUFF_VPP_DENOISE;
mfx_denoise->Header.BufferSz = sizeof (mfxExtVPPDenoise);
mfx_denoise->DenoiseFactor = thiz->denoise_factor;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_denoise);
}
/* Rotation */
if (thiz->rotation != MFX_ANGLE_0) {
mfxExtVPPRotation *mfx_rotation = &thiz->mfx_rotation;
mfx_rotation->Header.BufferId = MFX_EXTBUFF_VPP_ROTATION;
mfx_rotation->Header.BufferSz = sizeof (mfxExtVPPRotation);
mfx_rotation->Angle = thiz->rotation;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_rotation);
}
/* Deinterlace */
if (thiz->flags & GST_MSDK_FLAG_DEINTERLACE) {
mfxExtVPPDeinterlacing *mfx_deinterlace = &thiz->mfx_deinterlace;
mfx_deinterlace->Header.BufferId = MFX_EXTBUFF_VPP_DEINTERLACING;
mfx_deinterlace->Header.BufferSz = sizeof (mfxExtVPPDeinterlacing);
mfx_deinterlace->Mode = thiz->deinterlace_method;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_deinterlace);
}
/* Colorbalance(ProcAmp) */
if (thiz->flags & (GST_MSDK_FLAG_HUE | GST_MSDK_FLAG_SATURATION |
GST_MSDK_FLAG_BRIGHTNESS | GST_MSDK_FLAG_CONTRAST)) {
mfxExtVPPProcAmp *mfx_procamp = &thiz->mfx_procamp;
mfx_procamp->Header.BufferId = MFX_EXTBUFF_VPP_PROCAMP;
mfx_procamp->Header.BufferSz = sizeof (mfxExtVPPProcAmp);
mfx_procamp->Hue = thiz->hue;
mfx_procamp->Saturation = thiz->saturation;
mfx_procamp->Brightness = thiz->brightness;
mfx_procamp->Contrast = thiz->contrast;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_procamp);
}
/* Detail/Edge enhancement */
if (thiz->flags & GST_MSDK_FLAG_DETAIL) {
mfxExtVPPDetail *mfx_detail = &thiz->mfx_detail;
mfx_detail->Header.BufferId = MFX_EXTBUFF_VPP_DETAIL;
mfx_detail->Header.BufferSz = sizeof (mfxExtVPPDetail);
mfx_detail->DetailFactor = thiz->detail;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_detail);
}
/* Mirroring */
if (thiz->mirroring != MFX_MIRRORING_DISABLED) {
mfxExtVPPMirroring *mfx_mirroring = &thiz->mfx_mirroring;
mfx_mirroring->Header.BufferId = MFX_EXTBUFF_VPP_MIRRORING;
mfx_mirroring->Header.BufferSz = sizeof (mfxExtVPPMirroring);
mfx_mirroring->Type = thiz->mirroring;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_mirroring);
}
/* Scaling Mode */
if (thiz->flags & GST_MSDK_FLAG_SCALING_MODE) {
mfxExtVPPScaling *mfx_scaling = &thiz->mfx_scaling;
mfx_scaling->Header.BufferId = MFX_EXTBUFF_VPP_SCALING;
mfx_scaling->Header.BufferSz = sizeof (mfxExtVPPScaling);
mfx_scaling->ScalingMode = thiz->scaling_mode;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_scaling);
}
/* FRC */
if (thiz->flags & GST_MSDK_FLAG_FRC) {
mfxExtVPPFrameRateConversion *mfx_frc = &thiz->mfx_frc;
mfx_frc->Header.BufferId = MFX_EXTBUFF_VPP_FRAME_RATE_CONVERSION;
mfx_frc->Header.BufferSz = sizeof (mfxExtVPPFrameRateConversion);
mfx_frc->Algorithm = thiz->frc_algm;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_frc);
}
}
static void
gst_msdkvpp_set_passthrough (GstMsdkVPP * thiz)
{
gboolean passthrough = TRUE;
/* no passthrough if any of the filter algorithm is enabled */
if (thiz->flags)
passthrough = FALSE;
/* vpp could be needed in some specific circumstances, for eg:
* input surface is dmabuf and output must be videomemory. So far
* the underline iHD driver doesn't seems to support dmabuf mapping,
* so we could explicitly ask msdkvpp to provide non-dambuf videomemory
* surfaces as output thourgh capsfileters */
if (thiz->need_vpp)
passthrough = FALSE;
/* no passthrough if there is change in out width,height or format */
if (GST_VIDEO_INFO_WIDTH (&thiz->sinkpad_info) !=
GST_VIDEO_INFO_WIDTH (&thiz->srcpad_info)
|| GST_VIDEO_INFO_HEIGHT (&thiz->sinkpad_info) !=
GST_VIDEO_INFO_HEIGHT (&thiz->srcpad_info)
|| GST_VIDEO_INFO_FORMAT (&thiz->sinkpad_info) !=
GST_VIDEO_INFO_FORMAT (&thiz->srcpad_info))
passthrough = FALSE;
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (thiz), passthrough);
}
static gboolean
gst_msdkvpp_initialize (GstMsdkVPP * thiz)
{
mfxSession session;
mfxStatus status;
mfxFrameAllocRequest *request = &thiz->request[0];
if (!thiz->context) {
GST_WARNING_OBJECT (thiz, "No MSDK Context");
return FALSE;
}
GST_OBJECT_LOCK (thiz);
session = gst_msdk_context_get_session (thiz->context);
/* Close the current session if the session has been initialized,
* otherwise the subsequent function call of MFXVideoVPP_Init() will
* fail
*/
if (thiz->initialized) {
if (thiz->use_video_memory) {
gst_msdk_frame_free (thiz->context, &thiz->in_alloc_resp);
}
MFXVideoVPP_Close (session);
memset (&thiz->param, 0, sizeof (thiz->param));
memset (&thiz->extra_params, 0, sizeof (thiz->extra_params));
thiz->num_extra_params = 0;
}
if (thiz->use_video_memory) {
gst_msdk_set_frame_allocator (thiz->context);
thiz->param.IOPattern =
MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
} else {
thiz->param.IOPattern =
MFX_IOPATTERN_IN_SYSTEM_MEMORY | MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
}
/* update input video attributes */
gst_msdk_set_mfx_frame_info_from_video_info (&thiz->param.vpp.In,
&thiz->sinkpad_info);
/* update output video attributes, only CSC and Scaling are supported for now */
gst_msdk_set_mfx_frame_info_from_video_info (&thiz->param.vpp.Out,
&thiz->srcpad_info);
/* use msdk frame rarte control if there is a mismatch in In & OUt fps */
if (GST_VIDEO_INFO_FPS_N (&thiz->srcpad_info) &&
(GST_VIDEO_INFO_FPS_N (&thiz->sinkpad_info) !=
GST_VIDEO_INFO_FPS_N (&thiz->srcpad_info)
|| GST_VIDEO_INFO_FPS_D (&thiz->sinkpad_info) !=
GST_VIDEO_INFO_FPS_D (&thiz->srcpad_info))) {
thiz->flags |= GST_MSDK_FLAG_FRC;
/* manually set distributed timestamp as frc algorithm
* as it is more resonable for framerate conversion
*/
thiz->frc_algm = MFX_FRCALGM_DISTRIBUTED_TIMESTAMP;
}
/* work-around to avoid zero fps in msdk structure */
if (!thiz->param.vpp.In.FrameRateExtN)
thiz->param.vpp.In.FrameRateExtN = 30;
if (!thiz->param.vpp.Out.FrameRateExtN)
thiz->param.vpp.Out.FrameRateExtN = thiz->param.vpp.In.FrameRateExtN;
/* set vpp out picstruct as progressive if deinterlacing enabled */
if (thiz->flags & GST_MSDK_FLAG_DEINTERLACE)
thiz->param.vpp.Out.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
/* Enable the required filters */
ensure_filters (thiz);
/* Add extended buffers */
if (thiz->num_extra_params) {
thiz->param.NumExtParam = thiz->num_extra_params;
thiz->param.ExtParam = thiz->extra_params;
}
/* validate parameters and allow MFX to make adjustments */
status = MFXVideoVPP_Query (session, &thiz->param, &thiz->param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Video VPP Query failed (%s)",
msdk_status_to_string (status));
goto no_vpp;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Video VPP Query returned: %s",
msdk_status_to_string (status));
}
status = MFXVideoVPP_QueryIOSurf (session, &thiz->param, request);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "VPP Query IO surfaces failed (%s)",
msdk_status_to_string (status));
goto no_vpp;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "VPP Query IO surfaces returned: %s",
msdk_status_to_string (status));
}
if (thiz->use_video_memory) {
/* Input surface pool pre-allocation */
request[0].Type |= MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
if (thiz->use_sinkpad_dmabuf)
request[0].Type |= MFX_MEMTYPE_EXPORT_FRAME;
gst_msdk_frame_alloc (thiz->context, &(request[0]), &thiz->in_alloc_resp);
/* Output surface pool pre-allocation */
request[1].Type |= MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
if (thiz->use_srcpad_dmabuf)
request[1].Type |= MFX_MEMTYPE_EXPORT_FRAME;
}
thiz->in_num_surfaces = request[0].NumFrameSuggested;
status = MFXVideoVPP_Init (session, &thiz->param);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Init failed (%s)", msdk_status_to_string (status));
goto no_vpp;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (thiz, "Init returned: %s",
msdk_status_to_string (status));
}
thiz->initialized = TRUE;
GST_OBJECT_UNLOCK (thiz);
return TRUE;
no_vpp:
GST_OBJECT_UNLOCK (thiz);
gst_clear_object (&thiz->context);
return FALSE;
}
static gboolean
gst_msdkvpp_set_caps (GstBaseTransform * trans, GstCaps * caps,
GstCaps * out_caps)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
GstVideoInfo in_info, out_info;
gboolean sinkpad_info_changed = FALSE;
gboolean srcpad_info_changed = FALSE;
gboolean deinterlace;
if (!gst_caps_features_is_equal (gst_caps_get_features (caps, 0),
gst_caps_get_features (out_caps, 0)))
thiz->need_vpp = 1;
gst_video_info_from_caps (&in_info, caps);
gst_video_info_from_caps (&out_info, out_caps);
if (!gst_video_info_is_equal (&in_info, &thiz->sinkpad_info))
sinkpad_info_changed = TRUE;
if (!gst_video_info_is_equal (&out_info, &thiz->srcpad_info))
srcpad_info_changed = TRUE;
if (!sinkpad_info_changed && !srcpad_info_changed && thiz->initialized)
return TRUE;
thiz->sinkpad_info = in_info;
thiz->srcpad_info = out_info;
#ifndef _WIN32
thiz->use_video_memory = TRUE;
#else
thiz->use_video_memory = FALSE;
#endif
/* check for deinterlace requirement */
deinterlace = gst_msdkvpp_is_deinterlace_enabled (thiz, &in_info);
if (deinterlace)
thiz->flags |= GST_MSDK_FLAG_DEINTERLACE;
thiz->buffer_duration = GST_VIDEO_INFO_FPS_N (&out_info) > 0 ?
gst_util_uint64_scale (GST_SECOND, GST_VIDEO_INFO_FPS_D (&out_info),
GST_VIDEO_INFO_FPS_N (&out_info)) : 0;
if (!gst_msdkvpp_initialize (thiz))
return FALSE;
/* set passthrough according to filter operation change */
gst_msdkvpp_set_passthrough (thiz);
/* Ensure sinkpad buffer pool */
if (thiz->sinkpad_buffer_pool)
gst_object_unref (thiz->sinkpad_buffer_pool);
thiz->sinkpad_buffer_pool =
gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SINK, caps,
thiz->in_num_surfaces);
if (!thiz->sinkpad_buffer_pool) {
GST_ERROR_OBJECT (thiz, "Failed to ensure the sinkpad buffer pool");
return FALSE;
}
return TRUE;
}
static gboolean
pad_can_dmabuf (GstMsdkVPP * thiz, GstPadDirection direction, GstCaps * filter)
{
gboolean ret = FALSE;
GstCaps *caps, *out_caps;
GstPad *pad;
GstBaseTransform *trans = GST_BASE_TRANSFORM (thiz);
if (direction == GST_PAD_SRC)
pad = GST_BASE_TRANSFORM_SRC_PAD (trans);
else
pad = GST_BASE_TRANSFORM_SINK_PAD (trans);
/* make a copy of filter caps since we need to alter the structure
* by adding dmabuf-capsfeatures */
caps = gst_caps_copy (filter);
gst_caps_set_features (caps, 0,
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_DMABUF));
out_caps = gst_pad_peer_query_caps (pad, caps);
if (!out_caps)
goto done;
if (gst_caps_is_any (out_caps) || gst_caps_is_empty (out_caps)
|| out_caps == caps)
goto done;
if (_gst_caps_has_feature (out_caps, GST_CAPS_FEATURE_MEMORY_DMABUF))
ret = TRUE;
done:
if (caps)
gst_caps_unref (caps);
if (out_caps)
gst_caps_unref (out_caps);
return ret;
}
static GstCaps *
gst_msdkvpp_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
GstCaps *result = NULL;
gboolean *use_dmabuf;
if (direction == GST_PAD_SRC) {
result = gst_caps_fixate (result);
use_dmabuf = &thiz->use_sinkpad_dmabuf;
} else {
/*
* Override mirroring & rotation properties once video-direction
* is set explicitly
*/
if (thiz->flags & GST_MSDK_FLAG_VIDEO_DIRECTION)
gst_msdk_get_mfx_video_orientation_from_video_direction
(thiz->video_direction, &thiz->mirroring, &thiz->rotation);
result = gst_msdkvpp_fixate_srccaps (thiz, caps, othercaps);
use_dmabuf = &thiz->use_srcpad_dmabuf;
}
GST_DEBUG_OBJECT (trans, "fixated to %" GST_PTR_FORMAT, result);
gst_caps_unref (othercaps);
if (pad_can_dmabuf (thiz,
direction == GST_PAD_SRC ? GST_PAD_SINK : GST_PAD_SRC, result)) {
gst_caps_set_features (result, 0,
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_DMABUF, NULL));
*use_dmabuf = TRUE;
}
return result;
}
/* Generic code for now, requires changes in future when we
* add hardware query for supported formats, Framerate control etc */
static GstCaps *
gst_msdkvpp_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *out_caps;
GST_DEBUG_OBJECT (trans,
"Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
(direction == GST_PAD_SINK) ? "sink" : "src");
if (direction == GST_PAD_SRC)
out_caps = gst_static_pad_template_get_caps (&gst_msdkvpp_sink_factory);
else
out_caps = gst_static_pad_template_get_caps (&gst_msdkvpp_src_factory);
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 gboolean
gst_msdkvpp_start (GstBaseTransform * trans)
{
if (!ensure_context (trans))
return FALSE;
return TRUE;
}
static gboolean
gst_msdkvpp_stop (GstBaseTransform * trans)
{
gst_msdkvpp_close (GST_MSDKVPP (trans));
return TRUE;
}
static void
gst_msdkvpp_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMsdkVPP *thiz = GST_MSDKVPP (object);
switch (prop_id) {
case PROP_HARDWARE:
thiz->hardware = g_value_get_boolean (value);
break;
case PROP_ASYNC_DEPTH:
thiz->async_depth = g_value_get_uint (value);
break;
case PROP_DENOISE:
thiz->denoise_factor = g_value_get_uint (value);
thiz->flags |= GST_MSDK_FLAG_DENOISE;
break;
#ifndef GST_REMOVE_DEPRECATED
case PROP_ROTATION:
thiz->rotation = g_value_get_enum (value);
thiz->flags |= GST_MSDK_FLAG_ROTATION;
break;
case PROP_MIRRORING:
thiz->mirroring = g_value_get_enum (value);
thiz->flags |= GST_MSDK_FLAG_MIRRORING;
break;
#endif
case PROP_DEINTERLACE_MODE:
thiz->deinterlace_mode = g_value_get_enum (value);
break;
case PROP_DEINTERLACE_METHOD:
thiz->deinterlace_method = g_value_get_enum (value);
break;
case PROP_HUE:
thiz->hue = g_value_get_float (value);
thiz->flags |= GST_MSDK_FLAG_HUE;
break;
case PROP_SATURATION:
thiz->saturation = g_value_get_float (value);
thiz->flags |= GST_MSDK_FLAG_SATURATION;
break;
case PROP_BRIGHTNESS:
thiz->brightness = g_value_get_float (value);
thiz->flags |= GST_MSDK_FLAG_BRIGHTNESS;
break;
case PROP_CONTRAST:
thiz->contrast = g_value_get_float (value);
thiz->flags |= GST_MSDK_FLAG_CONTRAST;
break;
case PROP_DETAIL:
thiz->detail = g_value_get_uint (value);
thiz->flags |= GST_MSDK_FLAG_DETAIL;
break;
case PROP_SCALING_MODE:
thiz->scaling_mode = g_value_get_enum (value);
thiz->flags |= GST_MSDK_FLAG_SCALING_MODE;
break;
case PROP_FORCE_ASPECT_RATIO:
thiz->keep_aspect = g_value_get_boolean (value);
break;
case PROP_FRC_ALGORITHM:
thiz->frc_algm = g_value_get_enum (value);
break;
case PROP_VIDEO_DIRECTION:
thiz->video_direction = g_value_get_enum (value);
thiz->flags |= GST_MSDK_FLAG_VIDEO_DIRECTION;
break;
case PROP_CROP_LEFT:
thiz->crop_left = g_value_get_uint (value);
break;
case PROP_CROP_RIGHT:
thiz->crop_right = g_value_get_uint (value);
break;
case PROP_CROP_TOP:
thiz->crop_top = g_value_get_uint (value);
break;
case PROP_CROP_BOTTOM:
thiz->crop_bottom = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_msdkvpp_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstMsdkVPP *thiz = GST_MSDKVPP (object);
switch (prop_id) {
case PROP_HARDWARE:
g_value_set_boolean (value, thiz->hardware);
break;
case PROP_ASYNC_DEPTH:
g_value_set_uint (value, thiz->async_depth);
break;
case PROP_DENOISE:
g_value_set_uint (value, thiz->denoise_factor);
break;
#ifndef GST_REMOVE_DEPRECATED
case PROP_ROTATION:
g_value_set_enum (value, thiz->rotation);
break;
case PROP_MIRRORING:
g_value_set_enum (value, thiz->mirroring);
break;
#endif
case PROP_DEINTERLACE_MODE:
g_value_set_enum (value, thiz->deinterlace_mode);
break;
case PROP_DEINTERLACE_METHOD:
g_value_set_enum (value, thiz->deinterlace_method);
break;
case PROP_HUE:
g_value_set_float (value, thiz->hue);
break;
case PROP_SATURATION:
g_value_set_float (value, thiz->saturation);
break;
case PROP_BRIGHTNESS:
g_value_set_float (value, thiz->brightness);
break;
case PROP_CONTRAST:
g_value_set_float (value, thiz->contrast);
break;
case PROP_DETAIL:
g_value_set_uint (value, thiz->detail);
break;
case PROP_SCALING_MODE:
g_value_set_enum (value, thiz->scaling_mode);
break;
case PROP_FORCE_ASPECT_RATIO:
g_value_set_boolean (value, thiz->keep_aspect);
break;
case PROP_FRC_ALGORITHM:
g_value_set_enum (value, thiz->frc_algm);
break;
case PROP_VIDEO_DIRECTION:
g_value_set_enum (value, thiz->video_direction);
break;
case PROP_CROP_LEFT:
g_value_set_uint (value, thiz->crop_left);
break;
case PROP_CROP_RIGHT:
g_value_set_uint (value, thiz->crop_right);
break;
case PROP_CROP_TOP:
g_value_set_uint (value, thiz->crop_top);
break;
case PROP_CROP_BOTTOM:
g_value_set_uint (value, thiz->crop_bottom);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_msdkvpp_dispose (GObject * object)
{
GstMsdkVPP *thiz = GST_MSDKVPP (object);
gst_clear_object (&thiz->old_context);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_msdkvpp_set_context (GstElement * element, GstContext * context)
{
GstMsdkContext *msdk_context = NULL;
GstMsdkVPP *thiz = GST_MSDKVPP (element);
if (gst_msdk_context_get_context (context, &msdk_context)) {
gst_object_replace ((GstObject **) & thiz->context,
(GstObject *) msdk_context);
gst_object_unref (msdk_context);
}
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static void
gst_msdkvpp_class_init (GstMsdkVPPClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstBaseTransformClass *trans_class;
GParamSpec *obj_properties[PROP_N] = { NULL, };
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
trans_class = GST_BASE_TRANSFORM_CLASS (klass);
gobject_class->set_property = gst_msdkvpp_set_property;
gobject_class->get_property = gst_msdkvpp_get_property;
gobject_class->dispose = gst_msdkvpp_dispose;
element_class->set_context = gst_msdkvpp_set_context;
gst_element_class_add_static_pad_template (element_class,
&gst_msdkvpp_src_factory);
gst_element_class_add_static_pad_template (element_class,
&gst_msdkvpp_sink_factory);
gst_element_class_set_static_metadata (element_class,
"Intel MSDK Video Postprocessor",
"Filter/Converter/Video;Filter/Converter/Video/Scaler;"
"Filter/Effect/Video;Filter/Effect/Video/Deinterlace",
"Video Postprocessing Filter based on " MFX_API_SDK,
"Sreerenj Balachandrn <sreerenj.balachandran@intel.com>");
trans_class->start = GST_DEBUG_FUNCPTR (gst_msdkvpp_start);
trans_class->stop = GST_DEBUG_FUNCPTR (gst_msdkvpp_stop);
trans_class->transform_caps = GST_DEBUG_FUNCPTR (gst_msdkvpp_transform_caps);
trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_msdkvpp_fixate_caps);
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_msdkvpp_set_caps);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_msdkvpp_transform);
trans_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_msdkvpp_propose_allocation);
trans_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_msdkvpp_decide_allocation);
trans_class->prepare_output_buffer =
GST_DEBUG_FUNCPTR (gst_msdkvpp_prepare_output_buffer);
obj_properties[PROP_HARDWARE] =
g_param_spec_boolean ("hardware", "Hardware", "Enable hardware VPP",
PROP_HARDWARE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_ASYNC_DEPTH] =
g_param_spec_uint ("async-depth", "Async Depth",
"Depth of asynchronous pipeline",
1, 1, PROP_ASYNC_DEPTH_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_DENOISE] =
g_param_spec_uint ("denoise", "Denoising factor",
"Denoising Factor",
0, 100, PROP_DENOISE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
#ifndef GST_REMOVE_DEPRECATED
obj_properties[PROP_ROTATION] =
g_param_spec_enum ("rotation", "Rotation",
"Rotation Angle (DEPRECATED, use video-direction instead)",
gst_msdkvpp_rotation_get_type (), PROP_ROTATION_DEFAULT,
G_PARAM_DEPRECATED | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_MIRRORING] =
g_param_spec_enum ("mirroring", "Mirroring",
"The Mirroring type (DEPRECATED, use video-direction instead)",
gst_msdkvpp_mirroring_get_type (), PROP_MIRRORING_DEFAULT,
G_PARAM_DEPRECATED | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
#endif
obj_properties[PROP_DEINTERLACE_MODE] =
g_param_spec_enum ("deinterlace-mode", "Deinterlace Mode",
"Deinterlace mode to use", gst_msdkvpp_deinterlace_mode_get_type (),
PROP_DEINTERLACE_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_DEINTERLACE_METHOD] =
g_param_spec_enum ("deinterlace-method", "Deinterlace Method",
"Deinterlace method to use", gst_msdkvpp_deinterlace_method_get_type (),
PROP_DEINTERLACE_METHOD_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_HUE] =
g_param_spec_float ("hue", "Hue",
"The hue of the video",
-180, 180, PROP_HUE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_SATURATION] =
g_param_spec_float ("saturation", "Saturation",
"The Saturation of the video",
0, 10, PROP_SATURATION_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_BRIGHTNESS] =
g_param_spec_float ("brightness", "Brightness",
"The Brightness of the video",
-100, 100, PROP_BRIGHTNESS_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_CONTRAST] =
g_param_spec_float ("contrast", "Contrast",
"The Contrast of the video",
0, 10, PROP_CONTRAST_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_DETAIL] =
g_param_spec_uint ("detail", "Detail",
"The factor of detail/edge enhancement filter algorithm",
0, 100, PROP_DETAIL_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_SCALING_MODE] =
g_param_spec_enum ("scaling-mode", "Scaling Mode",
"The Scaling mode to use", gst_msdkvpp_scaling_mode_get_type (),
PROP_SCALING_MODE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_FORCE_ASPECT_RATIO] =
g_param_spec_boolean ("force-aspect-ratio", "Force Aspect Ratio",
"When enabled, scaling will respect original aspect ratio",
PROP_FORCE_ASPECT_RATIO_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_FRC_ALGORITHM] =
g_param_spec_enum ("frc-algorithm", "FrameRateControl Algorithm",
"The Framerate Control Alogorithm to use",
gst_msdkvpp_frc_algorithm_get_type (), PROP_FRC_ALGORITHM_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
/*
* The video-direction to use, expressed as an enum value. See
* #GstVideoOrientationMethod.
*/
obj_properties[PROP_VIDEO_DIRECTION] = g_param_spec_enum ("video-direction",
"Video Direction", "Video direction: rotation and flipping"
#ifndef GST_REMOVE_DEPRECATED
", it will override both mirroring & rotation properties if set explicitly"
#endif
,
GST_TYPE_VIDEO_ORIENTATION_METHOD,
PROP_VIDEO_DIRECTION_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_CROP_LEFT] = g_param_spec_uint ("crop-left",
"Crop Left", "Pixels to crop at left",
0, G_MAXUINT16, PROP_CROP_LEFT_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_CROP_RIGHT] = g_param_spec_uint ("crop-right",
"Crop Right", "Pixels to crop at right",
0, G_MAXUINT16, PROP_CROP_RIGHT_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_CROP_TOP] = g_param_spec_uint ("crop-top",
"Crop Top", "Pixels to crop at top",
0, G_MAXUINT16, PROP_CROP_TOP_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_CROP_BOTTOM] = g_param_spec_uint ("crop-bottom",
"Crop Bottom", "Pixels to crop at bottom",
0, G_MAXUINT16, PROP_CROP_BOTTOM_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, PROP_N, obj_properties);
}
static void
gst_msdkvpp_init (GstMsdkVPP * thiz)
{
thiz->initialized = FALSE;
thiz->hardware = PROP_HARDWARE_DEFAULT;
thiz->async_depth = PROP_ASYNC_DEPTH_DEFAULT;
thiz->denoise_factor = PROP_DENOISE_DEFAULT;
#ifndef GST_REMOVE_DEPRECATED
thiz->rotation = PROP_ROTATION_DEFAULT;
thiz->mirroring = PROP_MIRRORING_DEFAULT;
#else
thiz->rotation = MFX_ANGLE_0;
thiz->mirroring = MFX_MIRRORING_DISABLED;
#endif
thiz->deinterlace_mode = PROP_DEINTERLACE_MODE_DEFAULT;
thiz->deinterlace_method = PROP_DEINTERLACE_METHOD_DEFAULT;
thiz->buffer_duration = GST_CLOCK_TIME_NONE;
thiz->hue = PROP_HUE_DEFAULT;
thiz->saturation = PROP_SATURATION_DEFAULT;
thiz->brightness = PROP_BRIGHTNESS_DEFAULT;
thiz->contrast = PROP_CONTRAST_DEFAULT;
thiz->detail = PROP_DETAIL_DEFAULT;
thiz->scaling_mode = PROP_SCALING_MODE_DEFAULT;
thiz->keep_aspect = PROP_FORCE_ASPECT_RATIO_DEFAULT;
thiz->frc_algm = PROP_FRC_ALGORITHM_DEFAULT;
thiz->video_direction = PROP_VIDEO_DIRECTION_DEFAULT;
thiz->crop_left = PROP_CROP_LEFT_DEFAULT;
thiz->crop_right = PROP_CROP_RIGHT_DEFAULT;
thiz->crop_top = PROP_CROP_TOP_DEFAULT;
thiz->crop_bottom = PROP_CROP_BOTTOM_DEFAULT;
gst_video_info_init (&thiz->sinkpad_info);
gst_video_info_init (&thiz->srcpad_info);
}
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