gstreamer/sys/msdk/gstmsdkallocator_libva.c

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/* GStreamer Intel MSDK plugin
* Copyright (c) 2018, Intel Corporation
* Copyright (c) 2018, Igalia S.L.
* 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 NEGLIGDECE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <va/va.h>
#include "gstmsdkallocator.h"
#include "msdk_libva.h"
mfxStatus
gst_msdk_frame_alloc (mfxHDL pthis, mfxFrameAllocRequest * req,
mfxFrameAllocResponse * resp)
{
VAStatus va_status;
mfxStatus status = MFX_ERR_NONE;
gint i;
guint format;
guint va_fourcc = 0;
VASurfaceID *surfaces = NULL;
VASurfaceAttrib attrib;
mfxMemId *mids = NULL;
GstMsdkContext *context = (GstMsdkContext *) pthis;
GstMsdkMemoryID *msdk_mids = NULL;
GstMsdkAllocResponse *msdk_resp = NULL;
mfxU32 fourcc = req->Info.FourCC;
mfxU16 surfaces_num = req->NumFrameSuggested;
if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
GstMsdkAllocResponse *cached =
gst_msdk_context_get_cached_alloc_responses_by_request (context, req);
if (cached) {
*resp = *cached->response;
return MFX_ERR_NONE;
}
}
/* The VA API does not define any surface types and the application can use either
* MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET or
* MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET to indicate data in video memory.
*/
if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)))
return MFX_ERR_UNSUPPORTED;
va_fourcc = gst_msdk_get_va_fourcc_from_mfx_fourcc (fourcc);
msdk_mids =
(GstMsdkMemoryID *) g_slice_alloc0 (surfaces_num *
sizeof (GstMsdkMemoryID));
mids = (mfxMemId *) g_slice_alloc0 (surfaces_num * sizeof (mfxMemId));
surfaces =
(VASurfaceID *) g_slice_alloc0 (surfaces_num * sizeof (VASurfaceID));
msdk_resp =
(GstMsdkAllocResponse *) g_slice_alloc0 (sizeof (GstMsdkAllocResponse));
if (va_fourcc != VA_FOURCC_P208) {
attrib.type = VASurfaceAttribPixelFormat;
attrib.flags = VA_SURFACE_ATTRIB_SETTABLE;
attrib.value.type = VAGenericValueTypeInteger;
attrib.value.value.i = va_fourcc;
format =
gst_msdk_get_va_rt_format_from_mfx_rt_format (req->Info.ChromaFormat);
va_status = vaCreateSurfaces (gst_msdk_context_get_handle (context),
format,
req->Info.Width, req->Info.Height, surfaces, surfaces_num, &attrib, 1);
status = gst_msdk_get_mfx_status_from_va_status (va_status);
if (status != MFX_ERR_NONE) {
GST_WARNING ("failed to create VA surface");
return status;
}
for (i = 0; i < surfaces_num; i++) {
msdk_mids[i].surface = &surfaces[i];
mids[i] = (mfxMemId *) & msdk_mids[i];
}
} else {
/* This is requested from the driver when h265 encoding.
* These buffers will be used inside the driver and released by
* gst_msdk_frame_free functions. Application doesn't need to handle these buffers.
*
* See https://github.com/Intel-Media-SDK/samples/issues/13 for more details.
*/
VAContextID context_id = req->AllocId;
gint width32 = 32 * ((req->Info.Width + 31) >> 5);
gint height32 = 32 * ((req->Info.Height + 31) >> 5);
guint64 codedbuf_size = (width32 * height32) * 400LL / (16 * 16);
for (i = 0; i < surfaces_num; i++) {
VABufferID coded_buf;
va_status = vaCreateBuffer (gst_msdk_context_get_handle (context),
context_id, VAEncCodedBufferType, codedbuf_size, 1, NULL, &coded_buf);
status = gst_msdk_get_mfx_status_from_va_status (va_status);
if (status < MFX_ERR_NONE) {
GST_ERROR ("failed to create buffer");
return status;
}
surfaces[i] = coded_buf;
msdk_mids[i].surface = &surfaces[i];
msdk_mids[i].fourcc = fourcc;
mids[i] = (mfxMemId *) & msdk_mids[i];
}
}
resp->mids = mids;
resp->NumFrameActual = surfaces_num;
msdk_resp->response = resp;
msdk_resp->mem_ids = mids;
msdk_resp->request = *req;
gst_msdk_context_add_alloc_response (context, msdk_resp);
return status;
}
mfxStatus
gst_msdk_frame_free (mfxHDL pthis, mfxFrameAllocResponse * resp)
{
GstMsdkContext *context = (GstMsdkContext *) pthis;
VAStatus va_status = VA_STATUS_SUCCESS;
mfxStatus status;
GstMsdkMemoryID *mem_id;
VADisplay dpy;
gint i;
if (!gst_msdk_context_remove_alloc_response (context, resp))
return MFX_ERR_NONE;
mem_id = resp->mids[0];
dpy = gst_msdk_context_get_handle (context);
if (mem_id->fourcc != MFX_FOURCC_P8) {
/* Make sure that all the vaImages are destroyed */
for (i = 0; i < resp->NumFrameActual; i++) {
GstMsdkMemoryID *mem = resp->mids[i];
vaDestroyImage (dpy, mem->image.image_id);
}
va_status =
vaDestroySurfaces (dpy, (VASurfaceID *) mem_id->surface,
resp->NumFrameActual);
} else {
VASurfaceID *surfaces = mem_id->surface;
for (i = 0; i < resp->NumFrameActual; i++) {
va_status = vaDestroyBuffer (dpy, surfaces[i]);
}
}
g_slice_free1 (resp->NumFrameActual * sizeof (VASurfaceID), mem_id->surface);
g_slice_free1 (resp->NumFrameActual * sizeof (GstMsdkMemoryID), mem_id);
g_slice_free1 (resp->NumFrameActual * sizeof (mfxMemId), resp->mids);
status = gst_msdk_get_mfx_status_from_va_status (va_status);
return status;
}
mfxStatus
gst_msdk_frame_lock (mfxHDL pthis, mfxMemId mid, mfxFrameData * data)
{
GstMsdkContext *context = (GstMsdkContext *) pthis;
VAStatus va_status;
mfxStatus status;
mfxU8 *buf = NULL;
VASurfaceID *va_surface;
VADisplay dpy;
GstMsdkMemoryID *mem_id;
mem_id = (GstMsdkMemoryID *) mid;
va_surface = mem_id->surface;
dpy = gst_msdk_context_get_handle (context);
if (mem_id->fourcc != MFX_FOURCC_P8) {
va_status = vaDeriveImage (dpy, *va_surface, &mem_id->image);
status = gst_msdk_get_mfx_status_from_va_status (va_status);
if (status != MFX_ERR_NONE) {
GST_WARNING ("failed to derive image");
return status;
}
va_status = vaMapBuffer (dpy, mem_id->image.buf, (void **) &buf);
status = gst_msdk_get_mfx_status_from_va_status (va_status);
if (status != MFX_ERR_NONE) {
GST_WARNING ("failed to map");
return status;
}
switch (mem_id->image.format.fourcc) {
case VA_FOURCC_NV12:
data->Pitch = mem_id->image.pitches[0];
data->Y = buf + mem_id->image.offsets[0];
data->UV = buf + mem_id->image.offsets[1];
break;
case VA_FOURCC_YV12:
data->Pitch = mem_id->image.pitches[0];
data->Y = buf + mem_id->image.offsets[0];
data->U = buf + mem_id->image.offsets[2];
data->V = buf + mem_id->image.offsets[1];
break;
case VA_FOURCC_YUY2:
data->Pitch = mem_id->image.pitches[0];
data->Y = buf + mem_id->image.offsets[0];
data->U = data->Y + 1;
data->V = data->Y + 3;
break;
case VA_FOURCC_UYVY:
data->Pitch = mem_id->image.pitches[0];
data->Y = buf + mem_id->image.offsets[0];
data->U = data->U + 1;
data->V = data->U + 2;
break;
case VA_FOURCC_ARGB:
data->Pitch = mem_id->image.pitches[0];
data->R = buf + mem_id->image.offsets[0];
data->G = data->R + 1;
data->B = data->R + 2;
data->A = data->R + 3;
break;
}
} else {
VACodedBufferSegment *coded_buffer_segment;
va_status =
vaMapBuffer (dpy, *va_surface, (void **) (&coded_buffer_segment));
status = gst_msdk_get_mfx_status_from_va_status (va_status);
if (MFX_ERR_NONE == status)
data->Y = (mfxU8 *) coded_buffer_segment->buf;
}
return status;
}
mfxStatus
gst_msdk_frame_unlock (mfxHDL pthis, mfxMemId mid, mfxFrameData * ptr)
{
GstMsdkContext *context = (GstMsdkContext *) pthis;
VAStatus va_status;
mfxStatus status;
VADisplay dpy;
GstMsdkMemoryID *mem_id;
mem_id = (GstMsdkMemoryID *) mid;
dpy = gst_msdk_context_get_handle (context);
if (mem_id->fourcc != MFX_FOURCC_P8) {
vaUnmapBuffer (dpy, mem_id->image.buf);
va_status = vaDestroyImage (dpy, mem_id->image.image_id);
} else {
va_status = vaUnmapBuffer (dpy, *(mem_id->surface));
}
status = gst_msdk_get_mfx_status_from_va_status (va_status);
return status;
}
mfxStatus
gst_msdk_frame_get_hdl (mfxHDL pthis, mfxMemId mid, mfxHDL * hdl)
{
GstMsdkMemoryID *mem_id;
if (!hdl || !mid)
return MFX_ERR_INVALID_HANDLE;
mem_id = mid;
*hdl = mem_id->surface;
return MFX_ERR_NONE;
}
void
gst_msdk_set_frame_allocator (GstMsdkContext * context)
{
mfxFrameAllocator gst_msdk_frame_allocator = {
.pthis = context,
.Alloc = gst_msdk_frame_alloc,
.Lock = gst_msdk_frame_lock,
.Unlock = gst_msdk_frame_unlock,
.GetHDL = gst_msdk_frame_get_hdl,
.Free = gst_msdk_frame_free,
};
MFXVideoCORE_SetFrameAllocator (gst_msdk_context_get_session (context),
&gst_msdk_frame_allocator);
}