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msdk: Add VPP element

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https://bugzilla.gnome.org/show_bug.cgi?id=793705
This commit is contained in:
Sreerenj Balachandran 2018-03-06 13:51:05 +00:00
parent db6374b308
commit d3d89f02b3
7 changed files with 1622 additions and 3 deletions
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8
sys/msdk/Makefile.am
View file

@ -19,8 +19,10 @@ libgstmsdk_la_SOURCES = \
gstmsdkvc1dec.c \
gstmsdkdec.c \
gstmsdkenc.c \
gstmsdkvpp.c \
gstmsdk.c \
msdk-enums.c
msdk-enums.c \
gstmsdkvpputil.c
# Causes linking libgstmsdk.la with CXXLINK, required by libmfx
nodist_EXTRA_libgstmsdk_la_SOURCES = not_present.cxx
@ -46,7 +48,9 @@ noinst_HEADERS = \
gstmsdkvp8enc.h \
gstmsdkvc1dec.h \
gstmsdkdec.h \
gstmsdkenc.h
gstmsdkenc.h \
gstmsdkvpp.h \
gstmsdkvpputil.h
libgstmsdk_la_CFLAGS = \
$(GST_CFLAGS) \

6
sys/msdk/gstmsdk.c
View file

@ -46,10 +46,12 @@
#include "gstmsdkvp8dec.h"
#include "gstmsdkvp8enc.h"
#include "gstmsdkvc1dec.h"
#include "gstmsdkvpp.h"
GST_DEBUG_CATEGORY (gst_msdk_debug);
GST_DEBUG_CATEGORY (gst_msdkdec_debug);
GST_DEBUG_CATEGORY (gst_msdkenc_debug);
GST_DEBUG_CATEGORY (gst_msdkvpp_debug);
GST_DEBUG_CATEGORY (gst_msdkh264dec_debug);
GST_DEBUG_CATEGORY (gst_msdkh264enc_debug);
GST_DEBUG_CATEGORY (gst_msdkh265dec_debug);
@ -74,6 +76,7 @@ plugin_init (GstPlugin * plugin)
"msdkh264dec");
GST_DEBUG_CATEGORY_INIT (gst_msdkh264enc_debug, "msdkh264enc", 0,
"msdkh264enc");
GST_DEBUG_CATEGORY_INIT (gst_msdkvpp_debug, "msdkvpp", 0, "msdkvpp");
GST_DEBUG_CATEGORY_INIT (gst_msdkh265dec_debug, "msdkh265dec", 0,
"msdkh265dec");
GST_DEBUG_CATEGORY_INIT (gst_msdkh265enc_debug, "msdkh265enc", 0,
@ -126,6 +129,9 @@ plugin_init (GstPlugin * plugin)
ret = gst_element_register (plugin, "msdkvc1dec", GST_RANK_NONE,
GST_TYPE_MSDKVC1DEC);
ret = gst_element_register (plugin, "msdkvpp", GST_RANK_NONE,
GST_TYPE_MSDKVPP);
return ret;
}

970
sys/msdk/gstmsdkvpp.c Normal file
View file

@ -0,0 +1,970 @@
/* 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.
*/
#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"
#include "msdk-enums.h"
GST_DEBUG_CATEGORY_EXTERN (gst_msdkvpp_debug);
#define GST_CAT_DEFAULT gst_msdkvpp_debug
static GstStaticPadTemplate gst_msdkvpp_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, I420, YUY2, UYVY, BGRA }")
", " "interlace-mode = (string){ progressive, interleaved, mixed }"));
static GstStaticPadTemplate gst_msdkvpp_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, BGRA }") ", "
"interlace-mode = (string){ progressive, interleaved, mixed }"));
enum
{
PROP_0 = 0,
PROP_HARDWARE = 1,
PROP_ASYNC_DEPTH = 2,
PROP_N,
};
#define PROP_HARDWARE_DEFAULT TRUE
#define PROP_ASYNC_DEPTH_DEFAULT 1
#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 (MsdkSurface * surface)
{
if (surface->buf)
gst_buffer_unref (surface->buf);
g_slice_free (MsdkSurface, surface);
}
static gboolean
ensure_context (GstBaseTransform * trans)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
if (gst_msdk_context_prepare (GST_ELEMENT_CAST (thiz), &thiz->context)) {
GST_INFO_OBJECT (thiz, "Found context from neighbour %" GST_PTR_FORMAT,
thiz->context);
if (gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_VPP) {
GstMsdkContext *parent_context;
parent_context = thiz->context;
thiz->context = gst_msdk_context_new_with_parent (parent_context);
gst_object_unref (parent_context);
GST_INFO_OBJECT (thiz,
"Creating new context %" GST_PTR_FORMAT " with joined session",
thiz->context);
} else {
gst_msdk_context_add_job_type (thiz->context, GST_MSDK_JOB_VPP);
}
} else {
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);
}
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;
if (direction == GST_PAD_SINK) {
alloc_resp = &thiz->in_alloc_resp;
pool_info = &thiz->sinkpad_buffer_pool_info;
} else if (direction == GST_PAD_SRC) {
alloc_resp = &thiz->out_alloc_resp;
pool_info = &thiz->srcpad_buffer_pool_info;
}
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, &align);
gst_video_info_align (&info, &align);
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));
gst_buffer_pool_config_set_params (config, caps, info.size, min_num_buffers,
0);
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);
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 algined 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");
return NULL;
}
error_no_allocator:
{
GST_INFO_OBJECT (thiz, "Failed to create allocator");
if (pool)
gst_object_unref (pool);
return NULL;
}
error_pool_config:
{
GST_INFO_OBJECT (thiz, "Failed to set config");
if (pool)
gst_object_unref (pool);
if (allocator)
gst_object_unref (allocator);
return NULL;
}
}
static gboolean
gst_msdkvpp_decide_allocation (GstBaseTransform * trans, GstQuery * query)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
GstVideoInfo info;
GstBufferPool *pool = NULL;
GstStructure *config = NULL;
GstCaps *caps;
guint size = 0, min_buffers = 0, max_buffers = 0;
GstAllocator *allocator = NULL;
GstAllocationParams params;
gboolean update_pool = FALSE;
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 (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL))
thiz->add_video_meta = TRUE;
else
thiz->add_video_meta = FALSE;
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min_buffers,
&max_buffers);
update_pool = TRUE;
size = MAX (size, GST_VIDEO_INFO_SIZE (&info));
if (pool && !GST_IS_MSDK_BUFFER_POOL (pool)) {
GST_INFO_OBJECT (thiz, "ignoring non-msdk pool: %" GST_PTR_FORMAT, pool);
g_clear_object (&pool);
}
}
if (!pool) {
gst_object_unref (thiz->srcpad_buffer_pool);
pool =
gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SRC, caps, min_buffers);
thiz->srcpad_buffer_pool = pool;
/* get the configured pool properties inorder to set in query */
config = gst_buffer_pool_get_config (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);
}
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);
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;
guint size;
GstAllocationParams params;
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;
}
size = MAX (info.size, GST_VIDEO_INFO_SIZE (&thiz->sinkpad_buffer_pool_info));
/* We already created a pool while setting the caps
* just to make sure the pipeline works even if there is
* no allocation query from upstream (theoratical ??).Provide the
* same pool in query if required/possible */
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,
thiz->in_num_surfaces);
}
pool = 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 does't have a pool requirement, set only
* size, min_buffers and max_buffers in query */
if (!need_pool)
pool = NULL;
gst_query_add_allocation_pool (query, pool, size, thiz->in_num_surfaces, 0);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
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;
}
static MsdkSurface *
get_msdk_surface_from_input_buffer (GstMsdkVPP * thiz, GstBuffer * inbuf)
{
GstVideoFrame src_frame, out_frame;
MsdkSurface *msdk_surface;
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 to msdk buffer and take a surface from it.
*/
if (!(msdk_surface =
get_surface_from_pool (thiz, thiz->sinkpad_buffer_pool, NULL)))
goto error;
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);
mfxSession session;
mfxSyncPoint sync_point = NULL;
mfxStatus status;
MsdkSurface *in_surface = NULL;
MsdkSurface *out_surface = NULL;
in_surface = get_msdk_surface_from_input_buffer (thiz, inbuf);
if (!in_surface)
return GST_FLOW_ERROR;
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 ("Failed to get msdk outsurface!");
return GST_FLOW_ERROR;
}
session = gst_msdk_context_get_session (thiz->context);
for (;;) {
status =
MFXVideoVPP_RunFrameVPPAsync (session, in_surface->surface,
out_surface->surface, NULL, &sync_point);
if (status != MFX_WRN_DEVICE_BUSY)
break;
/* If device is busy, wait 1ms and retry, as per MSDK's recomendation */
g_usleep (1000);
};
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;
if (sync_point)
MFXVideoCORE_SyncOperation (session, sync_point, 10000);
/* More than one output buffers are generated */
if (status == MFX_ERR_MORE_SURFACE)
status = MFX_ERR_NONE;
gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
free_msdk_surface (in_surface);
return GST_FLOW_OK;
vpp_error:
GST_ERROR_OBJECT (thiz, "MSDK Failed to do VPP");
free_msdk_surface (in_surface);
free_msdk_surface (out_surface);
return GST_FLOW_ERROR;
error_more_data:
GST_WARNING_OBJECT (thiz,
"MSDK Requries additional input for processing, "
"Retruning FLOW_DROPPED since no output buffer was generated");
free_msdk_surface (in_surface);
return GST_BASE_TRANSFORM_FLOW_DROPPED;
}
static void
gst_msdkvpp_close (GstMsdkVPP * thiz)
{
mfxStatus status;
if (!thiz->context)
return;
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, "Encoder close failed (%s)",
msdk_status_to_string (status));
}
if (thiz->context)
gst_object_replace ((GstObject **) & thiz->context, NULL);
memset (&thiz->param, 0, sizeof (thiz->param));
if (thiz->sinkpad_buffer_pool)
gst_object_unref (thiz->sinkpad_buffer_pool);
thiz->sinkpad_buffer_pool = NULL;
if (thiz->srcpad_buffer_pool)
gst_object_unref (thiz->srcpad_buffer_pool);
thiz->srcpad_buffer_pool = NULL;
gst_video_info_init (&thiz->sinkpad_info);
gst_video_info_init (&thiz->srcpad_info);
}
static void
ensure_filters (GstMsdkVPP * thiz)
{
guint n_filters = 0;
/* 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);
thiz->max_filter_algorithms[n_filters] = MFX_EXTBUFF_VPP_DENOISE;
n_filters++;
}
/* Rotation */
if (thiz->flags & GST_MSDK_FLAG_ROTATION) {
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);
thiz->max_filter_algorithms[n_filters] = MFX_EXTBUFF_VPP_ROTATION;
n_filters++;
}
/* mfxExtVPPDoUse */
if (n_filters) {
mfxExtVPPDoUse *mfx_vpp_douse = &thiz->mfx_vpp_douse;
mfx_vpp_douse->Header.BufferId = MFX_EXTBUFF_VPP_DOUSE;
mfx_vpp_douse->Header.BufferSz = sizeof (mfxExtVPPDoUse);
mfx_vpp_douse->NumAlg = n_filters;
mfx_vpp_douse->AlgList = thiz->max_filter_algorithms;
gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_vpp_douse);
}
}
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;
/* 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_OBJECT_UNLOCK (thiz);
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (thiz), passthrough);
GST_OBJECT_LOCK (thiz);
}
static gboolean
gst_msdkvpp_initialize (GstMsdkVPP * thiz)
{
mfxSession session;
mfxStatus status;
mfxFrameAllocRequest request[2];
if (!thiz->context) {
GST_WARNING_OBJECT (thiz, "No MSDK Context");
return FALSE;
}
GST_OBJECT_LOCK (thiz);
session = gst_msdk_context_get_session (thiz->context);
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);
thiz->param.vpp.Out.FrameRateExtN =
GST_VIDEO_INFO_FPS_N (&thiz->sinkpad_info);
thiz->param.vpp.Out.FrameRateExtD =
GST_VIDEO_INFO_FPS_D (&thiz->sinkpad_info);
/* validate parameters and allow the Media SDK 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));
}
/* Enable the required filters */
ensure_filters (thiz);
/* set passthrough according to filter operation change */
gst_msdkvpp_set_passthrough (thiz);
/* Add exteneded buffers */
if (thiz->num_extra_params) {
thiz->param.NumExtParam = thiz->num_extra_params;
thiz->param.ExtParam = thiz->extra_params;
}
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 */
gst_msdk_frame_alloc (thiz->context, &(request[0]), &thiz->in_alloc_resp);
/* Output surface pool pre-allocation */
gst_msdk_frame_alloc (thiz->context, &(request[1]), &thiz->out_alloc_resp);
}
thiz->in_num_surfaces = request[0].NumFrameSuggested;
thiz->out_num_surfaces = request[1].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));
}
GST_OBJECT_UNLOCK (thiz);
return TRUE;
no_vpp:
GST_OBJECT_UNLOCK (thiz);
if (thiz->context)
gst_object_replace ((GstObject **) & thiz->context, NULL);
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;
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;
thiz->sinkpad_info = in_info;
thiz->srcpad_info = out_info;
#ifndef _WIN32
thiz->use_video_memory = TRUE;
#else
thiz->use_video_memory = FALSE;
#endif
if (!sinkpad_info_changed && !srcpad_info_changed)
return TRUE;
if (!gst_msdkvpp_initialize (thiz))
return FALSE;
/* Ensure 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;
}
/* Ensure a srcpad buffer pool */
thiz->srcpad_buffer_pool =
gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SRC, out_caps,
thiz->out_num_surfaces);
if (!thiz->srcpad_buffer_pool) {
GST_ERROR_OBJECT (thiz, "Failed to ensure the srcpad buffer pool");
return FALSE;
}
return TRUE;
}
static GstCaps *
gst_msdkvpp_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstMsdkVPP *thiz = GST_MSDKVPP (trans);
GstCaps *result = NULL;
if (direction == GST_PAD_SRC)
result = gst_caps_fixate (result);
else {
result = gst_msdkvpp_fixate_srccaps (thiz, caps, othercaps);
}
GST_DEBUG_OBJECT (trans, "fixated to %" GST_PTR_FORMAT, result);
gst_caps_unref (othercaps);
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;
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;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_msdkvpp_finalize (GObject * object)
{
G_OBJECT_CLASS (parent_class)->finalize (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->finalize = gst_msdkvpp_finalize;
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,
"MSDK Video Postprocessor",
"Filter/Converter/Video;Filter/Converter/Video/Scaler;"
"Filter/Effect/Video;Filter/Effect/Video/Deinterlace",
"A MediaSDK Video Postprocessing Filter",
"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);
g_object_class_install_properties (gobject_class, PROP_N, obj_properties);
}
static void
gst_msdkvpp_init (GstMsdkVPP * thiz)
{
thiz->hardware = PROP_HARDWARE_DEFAULT;
thiz->async_depth = PROP_ASYNC_DEPTH_DEFAULT;
gst_video_info_init (&thiz->sinkpad_info);
gst_video_info_init (&thiz->srcpad_info);
}

104
sys/msdk/gstmsdkvpp.h Normal file
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@ -0,0 +1,104 @@
/* GStreamer Intel MSDK plugin
* Copyright (c) 2018, Intel Corporation, Inc.
* Author : Sreerenj Balachandran <sreerenj.balachandran@intel.com>
* All rights reserved.
*
* 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.
*/
#ifndef __GST_MSDKVPP_H__
#define __GST_MSDKVPP_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
#include "msdk.h"
#include "gstmsdkcontext.h"
G_BEGIN_DECLS
#define GST_TYPE_MSDKVPP \
(gst_msdkvpp_get_type())
#define GST_MSDKVPP(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MSDKVPP,GstMsdkVPP))
#define GST_MSDKVPP_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MSDKVPP,GstMsdkVPPClass))
#define GST_MSDKVPP_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_MSDKVPP,GstMsdkVPPClass))
#define GST_IS_MSDKVPP(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MSDKVPP))
#define GST_IS_MSDKVPP_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MSDKVPP))
#define MAX_EXTRA_PARAMS 8
typedef struct _GstMsdkVPP GstMsdkVPP;
typedef struct _GstMsdkVPPClass GstMsdkVPPClass;
struct _GstMsdkVPP
{
GstBaseTransform element;
/* sinkpad info */
GstPad *sinkpad;
GstVideoInfo sinkpad_info;
GstVideoInfo sinkpad_buffer_pool_info;
GstBufferPool *sinkpad_buffer_pool;
/* srcpad info */
GstPad *srcpad;
GstVideoInfo srcpad_info;
GstVideoInfo srcpad_buffer_pool_info;
GstBufferPool *srcpad_buffer_pool;
/* MFX context */
GstMsdkContext *context;
mfxVideoParam param;
guint in_num_surfaces;
guint out_num_surfaces;
mfxFrameAllocResponse in_alloc_resp;
mfxFrameAllocResponse out_alloc_resp;
gboolean use_video_memory;
gboolean shared_context;
gboolean add_video_meta;
/* element properties */
gboolean hardware;
guint async_depth;
};
struct _GstMsdkVPPClass
{
GstBaseTransformClass parent_class;
};
GType gst_msdkvpp_get_type (void);
G_END_DECLS
#endif /* __GST_MSDKVPP_H__ */

495
sys/msdk/gstmsdkvpputil.c Normal file
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@ -0,0 +1,495 @@
/*
* gstmsdkvpputil.c - MediaSDK video post processing utilities
*
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2005-2012 David Schleef <ds@schleef.org>
* Copyright (C) 2016 Intel Corporation
* Copyright (C) 2018 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
* Author: Victor Jaquez <victorx.jaquez@intel.com>
* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
*
* This program 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 program 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 program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "gstmsdkvpputil.h"
static gboolean
fixate_output_frame_size (GstMsdkVPP * thiz, GstVideoInfo * vinfo,
GstStructure * outs)
{
const GValue *to_par;
GValue tpar = G_VALUE_INIT;
gboolean ret;
ret = TRUE;
to_par = gst_structure_get_value (outs, "pixel-aspect-ratio");
if (!to_par) {
g_value_init (&tpar, GST_TYPE_FRACTION_RANGE);
gst_value_set_fraction_range_full (&tpar, 1, G_MAXINT, G_MAXINT, 1);
to_par = &tpar;
}
/* we have both PAR but they might not be fixated */
{
gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
gint w = 0, h = 0;
gint from_dar_n, from_dar_d;
gint num, den;
from_par_n = GST_VIDEO_INFO_PAR_N (vinfo);
from_par_d = GST_VIDEO_INFO_PAR_D (vinfo);
from_w = GST_VIDEO_INFO_WIDTH (vinfo);
from_h = GST_VIDEO_INFO_HEIGHT (vinfo);
gst_structure_get_int (outs, "width", &w);
gst_structure_get_int (outs, "height", &h);
/* if both width and height are already fixed, we can't do anything
* about it anymore */
if (w && h) {
guint n, d;
GST_DEBUG_OBJECT (thiz,
"dimensions already set to %dx%d, not fixating", w, h);
if (!gst_value_is_fixed (to_par)) {
if (gst_video_calculate_display_ratio (&n, &d, from_w, from_h,
from_par_n, from_par_d, w, h)) {
GST_DEBUG_OBJECT (thiz, "fixating to_par to %dx%d", n, d);
if (gst_structure_has_field (outs, "pixel-aspect-ratio"))
gst_structure_fixate_field_nearest_fraction (outs,
"pixel-aspect-ratio", n, d);
else if (n != d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
n, d, NULL);
}
}
goto done;
}
/* Calculate input DAR */
if (!gst_util_fraction_multiply (from_w, from_h, from_par_n, from_par_d,
&from_dar_n, &from_dar_d))
goto overflow_error;
GST_DEBUG_OBJECT (thiz, "Input DAR is %d/%d", from_dar_n, from_dar_d);
/* If either width or height are fixed there's not much we
* can do either except choosing a height or width and PAR
* that matches the DAR as good as possible
*/
if (h) {
GstStructure *tmp;
gint set_w, set_par_n, set_par_d;
GST_DEBUG_OBJECT (thiz, "height is fixed (%d)", h);
/* If the PAR is fixed too, there's not much to do
* except choosing the width that is nearest to the
* width with the same DAR */
if (gst_value_is_fixed (to_par)) {
to_par_n = gst_value_get_fraction_numerator (to_par);
to_par_d = gst_value_get_fraction_denominator (to_par);
GST_DEBUG_OBJECT (thiz, "PAR is fixed %d/%d", to_par_n, to_par_d);
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
to_par_n, &num, &den))
goto overflow_error;
w = (guint) gst_util_uint64_scale_int (h, num, den);
gst_structure_fixate_field_nearest_int (outs, "width", w);
goto done;
}
/* The PAR is not fixed and it's quite likely that we can set
* an arbitrary PAR. */
/* Check if we can keep the input width */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
gst_structure_get_int (tmp, "width", &set_w);
/* Might have failed but try to keep the DAR nonetheless by
* adjusting the PAR */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, h, set_w,
&to_par_n, &to_par_d)) {
gst_structure_free (tmp);
goto overflow_error;
}
if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
to_par_n, to_par_d);
gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
&set_par_d);
gst_structure_free (tmp);
/* Check if the adjusted PAR is accepted */
if (set_par_n == to_par_n && set_par_d == to_par_d) {
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "width", G_TYPE_INT, set_w,
"pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
NULL);
goto done;
}
/* Otherwise scale the width to the new PAR and check if the
* adjusted with is accepted. If all that fails we can't keep
* the DAR */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
set_par_n, &num, &den))
goto overflow_error;
w = (guint) gst_util_uint64_scale_int (h, num, den);
gst_structure_fixate_field_nearest_int (outs, "width", w);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
} else if (w) {
GstStructure *tmp;
gint set_h, set_par_n, set_par_d;
GST_DEBUG_OBJECT (thiz, "width is fixed (%d)", w);
/* If the PAR is fixed too, there's not much to do
* except choosing the height that is nearest to the
* height with the same DAR */
if (gst_value_is_fixed (to_par)) {
to_par_n = gst_value_get_fraction_numerator (to_par);
to_par_d = gst_value_get_fraction_denominator (to_par);
GST_DEBUG_OBJECT (thiz, "PAR is fixed %d/%d", to_par_n, to_par_d);
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
to_par_n, &num, &den))
goto overflow_error;
h = (guint) gst_util_uint64_scale_int (w, den, num);
gst_structure_fixate_field_nearest_int (outs, "height", h);
goto done;
}
/* The PAR is not fixed and it's quite likely that we can set
* an arbitrary PAR. */
/* Check if we can keep the input height */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
gst_structure_get_int (tmp, "height", &set_h);
/* Might have failed but try to keep the DAR nonetheless by
* adjusting the PAR */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, w,
&to_par_n, &to_par_d)) {
gst_structure_free (tmp);
goto overflow_error;
}
if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
to_par_n, to_par_d);
gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
&set_par_d);
gst_structure_free (tmp);
/* Check if the adjusted PAR is accepted */
if (set_par_n == to_par_n && set_par_d == to_par_d) {
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "height", G_TYPE_INT, set_h,
"pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
NULL);
goto done;
}
/* Otherwise scale the height to the new PAR and check if the
* adjusted with is accepted. If all that fails we can't keep
* the DAR */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
set_par_n, &num, &den))
goto overflow_error;
h = (guint) gst_util_uint64_scale_int (w, den, num);
gst_structure_fixate_field_nearest_int (outs, "height", h);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
} else if (gst_value_is_fixed (to_par)) {
GstStructure *tmp;
gint set_h, set_w, f_h, f_w;
to_par_n = gst_value_get_fraction_numerator (to_par);
to_par_d = gst_value_get_fraction_denominator (to_par);
/* Calculate scale factor for the PAR change */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_n,
to_par_d, &num, &den))
goto overflow_error;
/* Try to keep the input height (because of interlacing) */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
gst_structure_get_int (tmp, "height", &set_h);
/* This might have failed but try to scale the width
* to keep the DAR nonetheless */
w = (guint) gst_util_uint64_scale_int (set_h, num, den);
gst_structure_fixate_field_nearest_int (tmp, "width", w);
gst_structure_get_int (tmp, "width", &set_w);
gst_structure_free (tmp);
/* We kept the DAR and the height is nearest to the original height */
if (set_w == w) {
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, set_h, NULL);
goto done;
}
f_h = set_h;
f_w = set_w;
/* If the former failed, try to keep the input width at least */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
gst_structure_get_int (tmp, "width", &set_w);
/* This might have failed but try to scale the width
* to keep the DAR nonetheless */
h = (guint) gst_util_uint64_scale_int (set_w, den, num);
gst_structure_fixate_field_nearest_int (tmp, "height", h);
gst_structure_get_int (tmp, "height", &set_h);
gst_structure_free (tmp);
/* We kept the DAR and the width is nearest to the original width */
if (set_h == h) {
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, set_h, NULL);
goto done;
}
/* If all this failed, keep the height that was nearest to the orignal
* height and the nearest possible width. This changes the DAR but
* there's not much else to do here.
*/
gst_structure_set (outs, "width", G_TYPE_INT, f_w, "height", G_TYPE_INT,
f_h, NULL);
goto done;
} else {
GstStructure *tmp;
gint set_h, set_w, set_par_n, set_par_d, tmp2;
/* width, height and PAR are not fixed but passthrough is not possible */
/* First try to keep the height and width as good as possible
* and scale PAR */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
gst_structure_get_int (tmp, "height", &set_h);
gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
gst_structure_get_int (tmp, "width", &set_w);
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, set_w,
&to_par_n, &to_par_d)) {
gst_structure_free (tmp);
goto overflow_error;
}
if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
to_par_n, to_par_d);
gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
&set_par_d);
gst_structure_free (tmp);
if (set_par_n == to_par_n && set_par_d == to_par_d) {
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, set_h, NULL);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
}
/* Otherwise try to scale width to keep the DAR with the set
* PAR and height */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
set_par_n, &num, &den))
goto overflow_error;
w = (guint) gst_util_uint64_scale_int (set_h, num, den);
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "width", w);
gst_structure_get_int (tmp, "width", &tmp2);
gst_structure_free (tmp);
if (tmp2 == w) {
gst_structure_set (outs, "width", G_TYPE_INT, tmp2, "height",
G_TYPE_INT, set_h, NULL);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
}
/* ... or try the same with the height */
h = (guint) gst_util_uint64_scale_int (set_w, den, num);
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "height", h);
gst_structure_get_int (tmp, "height", &tmp2);
gst_structure_free (tmp);
if (tmp2 == h) {
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, tmp2, NULL);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
}
/* If all fails we can't keep the DAR and take the nearest values
* for everything from the first try */
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, set_h, NULL);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
}
}
done:
if (to_par == &tpar)
g_value_unset (&tpar);
return ret;
/* ERRORS */
overflow_error:
{
ret = FALSE;
GST_ELEMENT_ERROR (thiz, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
goto done;
}
}
static gboolean
set_multiview_mode (GstMsdkVPP * thiz, GstVideoInfo * vinfo,
GstStructure * outs)
{
const gchar *caps_str;
caps_str =
gst_video_multiview_mode_to_caps_string (GST_VIDEO_INFO_MULTIVIEW_MODE
(vinfo));
if (!caps_str)
return TRUE;
gst_structure_set (outs, "multiview-mode", G_TYPE_STRING, caps_str,
"multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET,
GST_VIDEO_INFO_MULTIVIEW_FLAGS (vinfo), GST_FLAG_SET_MASK_EXACT, NULL);
if (GST_VIDEO_INFO_VIEWS (vinfo) > 1) {
gst_structure_set (outs, "views", G_TYPE_INT, GST_VIDEO_INFO_VIEWS (vinfo),
NULL);
}
return TRUE;
}
static GstCaps *
_get_preferred_src_caps (GstMsdkVPP * thiz, GstVideoInfo * vinfo,
GstCaps * srccaps)
{
GstStructure *structure;
GstCaps *outcaps;
structure = gst_caps_get_structure (srccaps, 0);
/* make a copy */
structure = gst_structure_copy (structure);
/* Fixate the format */
if (!gst_structure_fixate_field (structure, "format"))
goto fixate_failed;
/* Fixate the frame size */
if (!fixate_output_frame_size (thiz, vinfo, structure))
goto fixate_failed;
/* Fixate the framerate */
gst_structure_set (structure, "framerate", GST_TYPE_FRACTION,
GST_VIDEO_INFO_FPS_N (vinfo), GST_VIDEO_INFO_FPS_D (vinfo), NULL);
/* set multiview mode based on input caps */
if (!set_multiview_mode (thiz, vinfo, structure))
goto fixate_failed;
/*Fixme: Set colorimetry and interlace mode */
outcaps = gst_caps_new_empty ();
gst_caps_append_structure (outcaps, structure);
return outcaps;
/* ERRORS */
fixate_failed:
{
GST_WARNING_OBJECT (thiz, "Could not fixate src caps");
gst_structure_free (structure);
return NULL;
}
}
/**
* gst_msdkvpp_fixate_srccaps:
* @vpp: a #GstMsdkVPP instance
* @sinkcaps: fixed #GstCaps from sink pad
* @srccaps: #GstCaps from src pad to fixate
*
* Given @srccaps and @sinkcaps returns a new allocated #GstCaps with
* the fixated caps for the src pad.
*
* Returns: A new allocated #GstCaps
**/
GstCaps *
gst_msdkvpp_fixate_srccaps (GstMsdkVPP * msdkvpp,
GstCaps * sinkcaps, GstCaps * srccaps)
{
GstVideoInfo vi;
if (!gst_video_info_from_caps (&vi, sinkcaps))
return NULL;
return _get_preferred_src_caps (msdkvpp, &vi, srccaps);
}

38
sys/msdk/gstmsdkvpputil.h Normal file
View file

@ -0,0 +1,38 @@
/*
* gstmsdkvpputil.h - MediaSDK video post processing utilities
*
* Copyright (C) 2016 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
* Author: Victor Jaquez <victorx.jaquez@intel.com>
* Copyright (C) 2018 Intel Corporation
* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
*
* This program 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 program 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 program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_MSDKVPPUTIL_H
#define GST_MSDKVPPUTIL_H
#include "gstmsdkvpp.h"
G_BEGIN_DECLS
GstCaps *gst_msdkvpp_fixate_srccaps (GstMsdkVPP * msdkvpp,
GstCaps * sinkcaps, GstCaps * srccaps);
G_END_DECLS
#endif /* GST_MSDKVPPUTIL_H */

4
sys/msdk/meson.build
View file

@ -7,6 +7,7 @@ msdk_sources = [
'gstmsdkbufferpool.c',
'gstmsdkdec.c',
'gstmsdkenc.c',
'gstmsdkvpp.c',
'gstmsdkh264dec.c',
'gstmsdkh264enc.c',
'gstmsdkh265dec.c',
@ -19,7 +20,8 @@ msdk_sources = [
'gstmsdkvp8enc.c',
'gstmsdkvc1dec.c',
'msdk.c',
'msdk-enums.c'
'msdk-enum.c'
'gstmsdkvpputil.c'
]
if host_machine.system() == 'windows'