mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 05:38:58 +00:00
554 lines
12 KiB
C++
554 lines
12 KiB
C++
/* GStreamer
|
|
* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "gstmfvideobuffer.h"
|
|
#include <string.h>
|
|
|
|
/* *INDENT-OFF* */
|
|
G_BEGIN_DECLS
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (gst_mf_video_buffer_debug);
|
|
#define GST_CAT_DEFAULT gst_mf_video_buffer_debug
|
|
|
|
G_END_DECLS
|
|
|
|
IGstMFVideoBuffer::IGstMFVideoBuffer ()
|
|
: ref_count_ (1)
|
|
, current_len_ (0)
|
|
, contiguous_len_ (0)
|
|
, data_ (nullptr)
|
|
, contiguous_data_ (nullptr)
|
|
, info_ (nullptr)
|
|
, contiguous_info_ (nullptr)
|
|
, locked_ (false)
|
|
, wrapped_ (false)
|
|
, user_data_ (nullptr)
|
|
, notify_ (nullptr)
|
|
{
|
|
}
|
|
|
|
IGstMFVideoBuffer::~IGstMFVideoBuffer ()
|
|
{
|
|
if (info_)
|
|
gst_video_info_free (info_);
|
|
if (contiguous_info_)
|
|
gst_video_info_free (contiguous_info_);
|
|
|
|
g_free (contiguous_data_);
|
|
|
|
if (!wrapped_)
|
|
g_free (data_);
|
|
}
|
|
|
|
HRESULT
|
|
IGstMFVideoBuffer::CreateInstance (GstVideoInfo * info,
|
|
IMFMediaBuffer ** buffer)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
IGstMFVideoBuffer * self;
|
|
|
|
if (!info || !buffer)
|
|
return E_INVALIDARG;
|
|
|
|
self = new IGstMFVideoBuffer ();
|
|
|
|
if (!self)
|
|
return E_OUTOFMEMORY;
|
|
|
|
hr = self->Initialize (info);
|
|
|
|
if (SUCCEEDED (hr))
|
|
hr = self->QueryInterface (IID_PPV_ARGS (buffer));
|
|
|
|
self->Release ();
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT
|
|
IGstMFVideoBuffer::CreateInstanceWrapped (GstVideoInfo * info,
|
|
BYTE * data, DWORD length, IMFMediaBuffer ** buffer)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
IGstMFVideoBuffer * self;
|
|
|
|
if (!info || !data || length == 0 || !buffer)
|
|
return E_INVALIDARG;
|
|
|
|
self = new IGstMFVideoBuffer ();
|
|
|
|
if (!self)
|
|
return E_OUTOFMEMORY;
|
|
|
|
hr = self->InitializeWrapped (info, data, length);
|
|
|
|
if (SUCCEEDED (hr))
|
|
hr = self->QueryInterface (IID_PPV_ARGS (buffer));
|
|
|
|
self->Release ();
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT
|
|
IGstMFVideoBuffer::Initialize (GstVideoInfo * info)
|
|
{
|
|
if (!info)
|
|
return E_INVALIDARG;
|
|
|
|
info_ = gst_video_info_copy (info);
|
|
contiguous_info_ = gst_video_info_new ();
|
|
|
|
/* check if padding is required */
|
|
gst_video_info_set_format (contiguous_info_, GST_VIDEO_INFO_FORMAT (info_),
|
|
GST_VIDEO_INFO_WIDTH (info_), GST_VIDEO_INFO_HEIGHT (info_));
|
|
|
|
contiguous_ = GST_VIDEO_INFO_SIZE (info_) ==
|
|
GST_VIDEO_INFO_SIZE (contiguous_info_);
|
|
|
|
contiguous_len_ = GST_VIDEO_INFO_SIZE (contiguous_info_);
|
|
/* NOTE: {Set,Get}CurrentLength will not be applied for
|
|
* IMF2DBuffer interface */
|
|
|
|
current_len_ = contiguous_len_;
|
|
|
|
data_ = (BYTE *) g_malloc0 (GST_VIDEO_INFO_SIZE (info_));
|
|
|
|
if (!data_)
|
|
return E_OUTOFMEMORY;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT
|
|
IGstMFVideoBuffer::InitializeWrapped (GstVideoInfo * info, BYTE * data,
|
|
DWORD length)
|
|
{
|
|
if (!info || !data || length == 0)
|
|
return E_INVALIDARG;
|
|
|
|
if (length < GST_VIDEO_INFO_SIZE (info))
|
|
return E_INVALIDARG;
|
|
|
|
info_ = gst_video_info_copy (info);
|
|
contiguous_info_ = gst_video_info_new ();
|
|
|
|
/* check if padding is required */
|
|
gst_video_info_set_format (contiguous_info_, GST_VIDEO_INFO_FORMAT (info_),
|
|
GST_VIDEO_INFO_WIDTH (info_), GST_VIDEO_INFO_HEIGHT (info_));
|
|
|
|
contiguous_ = GST_VIDEO_INFO_SIZE (info_) ==
|
|
GST_VIDEO_INFO_SIZE (contiguous_info_);
|
|
|
|
contiguous_len_ = GST_VIDEO_INFO_SIZE (contiguous_info_);
|
|
|
|
current_len_ = contiguous_len_;
|
|
|
|
data_ = data;
|
|
wrapped_ = true;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT
|
|
IGstMFVideoBuffer::SetUserData (gpointer user_data, GDestroyNotify notify)
|
|
{
|
|
GDestroyNotify old_notify = notify_;
|
|
gpointer old_user_data = user_data_;
|
|
|
|
if (old_notify)
|
|
old_notify (old_user_data);
|
|
|
|
user_data_ = user_data;
|
|
notify_ = notify;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT
|
|
IGstMFVideoBuffer::GetUserData (gpointer * user_data)
|
|
{
|
|
if (!user_data)
|
|
return E_INVALIDARG;
|
|
|
|
*user_data = user_data_;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* IUnknown interface */
|
|
STDMETHODIMP_ (ULONG)
|
|
IGstMFVideoBuffer::AddRef (void)
|
|
{
|
|
GST_TRACE ("%p, %d", this, ref_count_);
|
|
return InterlockedIncrement (&ref_count_);
|
|
}
|
|
|
|
STDMETHODIMP_ (ULONG)
|
|
IGstMFVideoBuffer::Release (void)
|
|
{
|
|
ULONG ref_count;
|
|
|
|
GST_TRACE ("%p, %d", this, ref_count_);
|
|
ref_count = InterlockedDecrement (&ref_count_);
|
|
|
|
if (ref_count == 0) {
|
|
GDestroyNotify old_notify = notify_;
|
|
gpointer old_user_data = user_data_;
|
|
|
|
GST_TRACE ("Delete instance %p", this);
|
|
delete this;
|
|
|
|
if (old_notify)
|
|
old_notify (old_user_data);
|
|
}
|
|
|
|
return ref_count;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::QueryInterface (REFIID riid, void ** object)
|
|
{
|
|
if (!object)
|
|
return E_POINTER;
|
|
|
|
if (riid == IID_IUnknown) {
|
|
GST_TRACE ("query IUnknown interface %p", this);
|
|
*object = static_cast<IUnknown *> (static_cast<IMFMediaBuffer *> (this));
|
|
} else if (riid == __uuidof(IMFMediaBuffer)) {
|
|
GST_TRACE ("query IMFMediaBuffer interface %p", this);
|
|
*object = static_cast<IMFMediaBuffer *> (this);
|
|
} else if (riid == __uuidof(IMF2DBuffer)) {
|
|
GST_TRACE ("query IMF2DBuffer interface %p", this);
|
|
*object = static_cast<IMF2DBuffer *> (this);
|
|
} else if (riid == __uuidof(IGstMFVideoBuffer)) {
|
|
GST_TRACE ("query IGstMFVideoBuffer interface %p", this);
|
|
*object = this;
|
|
} else {
|
|
*object = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
AddRef();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* IMFMediaBuffer interface */
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::Lock (BYTE ** buffer, DWORD * max_length,
|
|
DWORD * current_length)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
if (locked_) {
|
|
GST_LOG ("%p, Already locked", this);
|
|
return S_OK;
|
|
}
|
|
|
|
locked_ = true;
|
|
|
|
if (contiguous_) {
|
|
*buffer = data_;
|
|
goto done;
|
|
}
|
|
|
|
/* IMFMediaBuffer::Lock method should return contiguous memory */
|
|
if (!contiguous_data_)
|
|
contiguous_data_ = (BYTE *) g_malloc0 (contiguous_len_);
|
|
|
|
ContiguousCopyToUnlocked (contiguous_data_, contiguous_len_);
|
|
*buffer = contiguous_data_;
|
|
|
|
done:
|
|
if (max_length)
|
|
*max_length = contiguous_len_;
|
|
if (current_length)
|
|
*current_length = current_len_;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::Unlock (void)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
if (!locked_) {
|
|
GST_LOG ("%p, No previous Lock call", this);
|
|
return S_OK;
|
|
}
|
|
|
|
locked_ = false;
|
|
|
|
if (contiguous_) {
|
|
GST_TRACE ("%p, Have configured contiguous data", this);
|
|
return S_OK;
|
|
}
|
|
|
|
/* copy back to original data */
|
|
ContiguousCopyFromUnlocked (contiguous_data_, contiguous_len_);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::GetCurrentLength (DWORD * length)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
*length = current_len_;
|
|
|
|
GST_TRACE ("%p, %d", this, current_len_);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::SetCurrentLength (DWORD length)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p %d", this, length);
|
|
|
|
if (length > contiguous_len_) {
|
|
GST_LOG ("%p, Requested length %d is larger than contiguous_len %d",
|
|
this, length, contiguous_len_);
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
current_len_ = length;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::GetMaxLength (DWORD * length)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
*length = contiguous_len_;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* IMF2DBuffer */
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::Lock2D (BYTE ** buffer, LONG * pitch)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
if (locked_) {
|
|
GST_LOG ("%p, Already locked", this);
|
|
return MF_E_INVALIDREQUEST;
|
|
}
|
|
|
|
locked_ = true;
|
|
|
|
*buffer = data_;
|
|
*pitch = GST_VIDEO_INFO_PLANE_STRIDE (info_, 0);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::Unlock2D (void)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
if (!locked_) {
|
|
GST_LOG ("%p, No previous Lock2D call", this);
|
|
return S_OK;
|
|
}
|
|
|
|
locked_ = false;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::GetScanline0AndPitch (BYTE ** buffer, LONG * pitch)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
/* Lock2D must be called before */
|
|
if (!locked_) {
|
|
GST_LOG ("%p, Invalid call, Lock2D must be called before", this);
|
|
return ERROR_INVALID_FUNCTION;
|
|
}
|
|
|
|
*buffer = data_;
|
|
*pitch = GST_VIDEO_INFO_PLANE_STRIDE (info_, 0);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::IsContiguousFormat (BOOL * contiguous)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
*contiguous = contiguous_;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::GetContiguousLength (DWORD * length)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
*length = contiguous_len_;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::ContiguousCopyTo (BYTE * dest_buffer,
|
|
DWORD dest_buffer_length)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
return ContiguousCopyToUnlocked (dest_buffer, dest_buffer_length);
|
|
}
|
|
|
|
STDMETHODIMP
|
|
IGstMFVideoBuffer::ContiguousCopyFrom (const BYTE * src_buffer,
|
|
DWORD src_buffer_length)
|
|
{
|
|
std::lock_guard<std::mutex> lock(lock_);
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
return ContiguousCopyFromUnlocked (src_buffer, src_buffer_length);
|
|
}
|
|
|
|
HRESULT
|
|
IGstMFVideoBuffer::ContiguousCopyToUnlocked (BYTE * dest_buffer,
|
|
DWORD dest_buffer_length)
|
|
{
|
|
GST_TRACE ("%p", this);
|
|
|
|
if (!dest_buffer || dest_buffer_length < contiguous_len_)
|
|
return E_INVALIDARG;
|
|
|
|
if (contiguous_) {
|
|
memcpy (dest_buffer, data_, current_len_);
|
|
return S_OK;
|
|
}
|
|
|
|
for (gint i = 0; i < GST_VIDEO_INFO_N_PLANES (info_); i++) {
|
|
BYTE *src, *dst;
|
|
guint src_stride, dst_stride;
|
|
guint width, height;
|
|
|
|
src = data_ + GST_VIDEO_INFO_PLANE_OFFSET (info_, i);
|
|
dst = dest_buffer + GST_VIDEO_INFO_PLANE_OFFSET (contiguous_info_, i);
|
|
|
|
src_stride = GST_VIDEO_INFO_PLANE_STRIDE (info_, i);
|
|
dst_stride = GST_VIDEO_INFO_PLANE_STRIDE (contiguous_info_, i);
|
|
|
|
width = GST_VIDEO_INFO_COMP_WIDTH (info_, i)
|
|
* GST_VIDEO_INFO_COMP_PSTRIDE (info_, i);
|
|
height = GST_VIDEO_INFO_COMP_HEIGHT (info_, i);
|
|
|
|
for (gint j = 0; j < height; j++) {
|
|
memcpy (dst, src, width);
|
|
src += src_stride;
|
|
dst += dst_stride;
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT
|
|
IGstMFVideoBuffer::ContiguousCopyFromUnlocked (const BYTE * src_buffer,
|
|
DWORD src_buffer_length)
|
|
{
|
|
gint offset;
|
|
|
|
GST_TRACE ("%p", this);
|
|
|
|
if (!src_buffer)
|
|
return E_INVALIDARG;
|
|
|
|
/* Nothing to copy */
|
|
if (src_buffer_length == 0)
|
|
return S_OK;
|
|
|
|
if (contiguous_) {
|
|
memcpy (data_, src_buffer, src_buffer_length);
|
|
return S_OK;
|
|
}
|
|
|
|
for (gint i = 0; i < GST_VIDEO_INFO_N_PLANES (info_); i++) {
|
|
BYTE *dst;
|
|
guint src_stride, dst_stride;
|
|
guint width, height;
|
|
|
|
offset = GST_VIDEO_INFO_PLANE_OFFSET (contiguous_info_, i);
|
|
|
|
dst = data_ + GST_VIDEO_INFO_PLANE_OFFSET (info_, i);
|
|
|
|
src_stride = GST_VIDEO_INFO_PLANE_STRIDE (contiguous_info_, i);
|
|
dst_stride = GST_VIDEO_INFO_PLANE_STRIDE (info_, i);
|
|
|
|
width = GST_VIDEO_INFO_COMP_WIDTH (info_, i)
|
|
* GST_VIDEO_INFO_COMP_PSTRIDE (info_, i);
|
|
height = GST_VIDEO_INFO_COMP_HEIGHT (info_, i);
|
|
|
|
for (gint j = 0; j < height; j++) {
|
|
gint to_copy = 0;
|
|
|
|
if (offset + width < src_buffer_length)
|
|
to_copy = width;
|
|
else
|
|
to_copy = (gint) src_buffer_length - offset;
|
|
|
|
if (to_copy <= 0)
|
|
return S_OK;
|
|
|
|
memcpy (dst, src_buffer + offset, to_copy);
|
|
|
|
offset += src_stride;
|
|
dst += dst_stride;
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* *INDENT-ON* */
|