gstreamer/sys/msdk/msdk.c

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/* GStreamer Intel MSDK plugin
* Copyright (c) 2016, Oblong Industries, Inc.
* 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.
*/
#include "msdk.h"
#include "gstmsdkvideomemory.h"
#include "gstmsdksystemmemory.h"
GST_DEBUG_CATEGORY_EXTERN (gst_msdk_debug);
#define GST_CAT_DEFAULT gst_msdk_debug
#define INVALID_INDEX ((guint) -1)
#define GST_MSDK_ALIGNMENT_PADDING(num,padding) ((padding) - ((num) & ((padding) - 1)))
struct map
{
GstVideoFormat format;
mfxU16 mfx_chroma_format;
mfxU32 mfx_fourcc;
};
#define GST_VIDEO_INFO_TO_MFX_MAP(FORMAT, CHROMA, FOURCC) \
{ GST_VIDEO_FORMAT_##FORMAT, MFX_CHROMAFORMAT_##CHROMA, MFX_FOURCC_##FOURCC }
static const struct map gst_msdk_video_format_to_mfx_map[] = {
GST_VIDEO_INFO_TO_MFX_MAP (NV12, YUV420, NV12),
GST_VIDEO_INFO_TO_MFX_MAP (YV12, YUV420, YV12),
GST_VIDEO_INFO_TO_MFX_MAP (I420, YUV420, YV12),
GST_VIDEO_INFO_TO_MFX_MAP (YUY2, YUV422, YUY2),
GST_VIDEO_INFO_TO_MFX_MAP (UYVY, YUV422, UYVY),
GST_VIDEO_INFO_TO_MFX_MAP (BGRA, YUV444, RGB4),
GST_VIDEO_INFO_TO_MFX_MAP (BGRx, YUV444, RGB4),
{0, 0, 0}
};
const gchar *
msdk_status_to_string (mfxStatus status)
{
switch (status) {
/* no error */
case MFX_ERR_NONE:
return "no error";
/* reserved for unexpected errors */
case MFX_ERR_UNKNOWN:
return "unknown error";
/* error codes <0 */
case MFX_ERR_NULL_PTR:
return "null pointer";
case MFX_ERR_UNSUPPORTED:
return "undeveloped feature";
case MFX_ERR_MEMORY_ALLOC:
return "failed to allocate memory";
case MFX_ERR_NOT_ENOUGH_BUFFER:
return "insufficient buffer at input/output";
case MFX_ERR_INVALID_HANDLE:
return "invalid handle";
case MFX_ERR_LOCK_MEMORY:
return "failed to lock the memory block";
case MFX_ERR_NOT_INITIALIZED:
return "member function called before initialization";
case MFX_ERR_NOT_FOUND:
return "the specified object is not found";
case MFX_ERR_MORE_DATA:
return "expect more data at input";
case MFX_ERR_MORE_SURFACE:
return "expect more surface at output";
case MFX_ERR_ABORTED:
return "operation aborted";
case MFX_ERR_DEVICE_LOST:
return "lose the HW acceleration device";
case MFX_ERR_INCOMPATIBLE_VIDEO_PARAM:
return "incompatible video parameters";
case MFX_ERR_INVALID_VIDEO_PARAM:
return "invalid video parameters";
case MFX_ERR_UNDEFINED_BEHAVIOR:
return "undefined behavior";
case MFX_ERR_DEVICE_FAILED:
return "device operation failure";
case MFX_ERR_MORE_BITSTREAM:
return "expect more bitstream buffers at output";
case MFX_ERR_INCOMPATIBLE_AUDIO_PARAM:
return "incompatible audio parameters";
case MFX_ERR_INVALID_AUDIO_PARAM:
return "invalid audio parameters";
/* warnings >0 */
case MFX_WRN_IN_EXECUTION:
return "the previous asynchronous operation is in execution";
case MFX_WRN_DEVICE_BUSY:
return "the HW acceleration device is busy";
case MFX_WRN_VIDEO_PARAM_CHANGED:
return "the video parameters are changed during decoding";
case MFX_WRN_PARTIAL_ACCELERATION:
return "SW is used";
case MFX_WRN_INCOMPATIBLE_VIDEO_PARAM:
return "incompatible video parameters";
case MFX_WRN_VALUE_NOT_CHANGED:
return "the value is saturated based on its valid range";
case MFX_WRN_OUT_OF_RANGE:
return "the value is out of valid range";
case MFX_WRN_FILTER_SKIPPED:
return "one of requested filters has been skipped";
case MFX_WRN_INCOMPATIBLE_AUDIO_PARAM:
return "incompatible audio parameters";
default:
break;
}
return "undefiend error";
}
void
msdk_close_session (mfxSession session)
{
mfxStatus status;
if (!session)
return;
status = MFXClose (session);
if (status != MFX_ERR_NONE)
GST_ERROR ("Close failed (%s)", msdk_status_to_string (status));
}
mfxSession
msdk_open_session (mfxIMPL impl)
{
mfxSession session = NULL;
mfxVersion version = { {1, 1}
};
mfxIMPL implementation;
mfxStatus status;
static const gchar *implementation_names[] = {
"AUTO", "SOFTWARE", "HARDWARE", "AUTO_ANY", "HARDWARE_ANY", "HARDWARE2",
"HARDWARE3", "HARDWARE4", "RUNTIME"
};
status = MFXInit (impl, &version, &session);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Intel Media SDK not available (%s)",
msdk_status_to_string (status));
goto failed;
}
MFXQueryIMPL (session, &implementation);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Query implementation failed (%s)",
msdk_status_to_string (status));
goto failed;
}
MFXQueryVersion (session, &version);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Query version failed (%s)", msdk_status_to_string (status));
goto failed;
}
GST_INFO ("MSDK implementation: 0x%04x (%s)", implementation,
implementation_names[MFX_IMPL_BASETYPE (implementation)]);
GST_INFO ("MSDK version: %d.%d", version.Major, version.Minor);
return session;
failed:
msdk_close_session (session);
return NULL;
}
gboolean
msdk_is_available (void)
{
mfxSession session = msdk_open_session (MFX_IMPL_AUTO_ANY);
if (!session) {
return FALSE;
}
msdk_close_session (session);
return TRUE;
}
void
gst_msdk_set_video_alignment (GstVideoInfo * info,
GstVideoAlignment * alignment)
{
guint i, width, height;
width = GST_VIDEO_INFO_WIDTH (info);
height = GST_VIDEO_INFO_HEIGHT (info);
gst_video_alignment_reset (alignment);
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++)
alignment->stride_align[i] = 15; /* 16-byte alignment */
if (width & 15)
alignment->padding_right = GST_MSDK_ALIGNMENT_PADDING (width, 16);
if (height & 31)
alignment->padding_bottom = GST_MSDK_ALIGNMENT_PADDING (height, 32);
}
static const struct map *
_map_lookup_format (GstVideoFormat format)
{
const struct map *m = gst_msdk_video_format_to_mfx_map;
for (; m->format != 0; m++) {
if (m->format == format)
return m;
}
return NULL;
}
gint
gst_msdk_get_mfx_chroma_from_format (GstVideoFormat format)
{
const struct map *const m = _map_lookup_format (format);
return m ? m->mfx_chroma_format : -1;
}
gint
gst_msdk_get_mfx_fourcc_from_format (GstVideoFormat format)
{
const struct map *const m = _map_lookup_format (format);
return m ? m->mfx_fourcc : -1;
}
void
gst_msdk_set_mfx_frame_info_from_video_info (mfxFrameInfo * mfx_info,
GstVideoInfo * info)
{
g_return_if_fail (info && mfx_info);
mfx_info->Width = GST_ROUND_UP_16 (GST_VIDEO_INFO_WIDTH (info));
mfx_info->Height = GST_ROUND_UP_32 (GST_VIDEO_INFO_HEIGHT (info));
mfx_info->CropW = GST_VIDEO_INFO_WIDTH (info);
mfx_info->CropH = GST_VIDEO_INFO_HEIGHT (info);
mfx_info->FrameRateExtN = GST_VIDEO_INFO_FPS_N (info);
mfx_info->FrameRateExtD = GST_VIDEO_INFO_FPS_D (info);
mfx_info->AspectRatioW = GST_VIDEO_INFO_PAR_N (info);
mfx_info->AspectRatioH = GST_VIDEO_INFO_PAR_D (info);
mfx_info->PicStruct =
!GST_VIDEO_INFO_IS_INTERLACED (info) ? MFX_PICSTRUCT_PROGRESSIVE :
MFX_PICSTRUCT_UNKNOWN;
mfx_info->FourCC =
gst_msdk_get_mfx_fourcc_from_format (GST_VIDEO_INFO_FORMAT (info));
mfx_info->ChromaFormat =
gst_msdk_get_mfx_chroma_from_format (GST_VIDEO_INFO_FORMAT (info));
return;
}
gboolean
gst_msdk_is_msdk_buffer (GstBuffer * buf)
{
GstAllocator *allocator;
GstMemory *mem = gst_buffer_peek_memory (buf, 0);
allocator = GST_MEMORY_CAST (mem)->allocator;
if (allocator && (GST_IS_MSDK_VIDEO_ALLOCATOR (allocator) ||
GST_IS_MSDK_SYSTEM_ALLOCATOR (allocator) ||
GST_IS_MSDK_DMABUF_ALLOCATOR (allocator)))
return TRUE;
else
return FALSE;
}
mfxFrameSurface1 *
gst_msdk_get_surface_from_buffer (GstBuffer * buf)
{
GstAllocator *allocator;
GstMemory *mem = gst_buffer_peek_memory (buf, 0);
allocator = GST_MEMORY_CAST (mem)->allocator;
if (GST_IS_MSDK_VIDEO_ALLOCATOR (allocator))
return GST_MSDK_VIDEO_MEMORY_CAST (mem)->surface;
else if (GST_IS_MSDK_SYSTEM_ALLOCATOR (allocator))
return GST_MSDK_SYSTEM_MEMORY_CAST (mem)->surface;
else if (GST_IS_MSDK_DMABUF_ALLOCATOR (allocator)) {
return gst_mini_object_get_qdata (GST_MINI_OBJECT (mem),
g_quark_from_static_string ("GstMsdkBufferSurface"));
}
return NULL;
}