/*****************************************************************************
* nvdec_priv.h : NVDEC private common code
*****************************************************************************
* Copyright © 2019-2023 VLC authors, VideoLAN and VideoLabs
*
* Authors: Steve Lhomme <robux4@videolabs.io>
*
* 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 VLC_VIDEOCHROMA_NVDEC_PRIV_H_
#define VLC_VIDEOCHROMA_NVDEC_PRIV_H_
#define FFNV_LOG_FUNC(logctx, msg, ...) msg_Err((vlc_object_t*)logctx, msg, __VA_ARGS__)
#define FFNV_DEBUG_LOG_FUNC(logctx, msg, ...) msg_Dbg((vlc_object_t*)logctx, msg, __VA_ARGS__)
#include <ffnvcodec/dynlink_loader.h>
typedef struct {
CudaFunctions *cudaFunctions;
CUcontext cuCtx;
} decoder_device_nvdec_t;
static inline decoder_device_nvdec_t *GetNVDECOpaqueDevice(vlc_decoder_device *device)
{
if (device == NULL || device->type != VLC_DECODER_DEVICE_NVDEC)
return NULL;
return device->opaque;
}
static inline int CudaCheckErr(vlc_object_t *obj, CudaFunctions *cudaFunctions, CUresult result, const char *psz_func)
{
if (unlikely(result != CUDA_SUCCESS)) {
const char *psz_err, *psz_err_str;
cudaFunctions->cuGetErrorName(result, &psz_err);
cudaFunctions->cuGetErrorString(result, &psz_err_str);
msg_Err(obj, "%s failed: %s (%s)", psz_func, psz_err_str, psz_err);
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/* for VLC_CODEC_NVDEC_OPAQUE / VLC_CODEC_NVDEC_OPAQUE_16B */
typedef struct
{
picture_context_t ctx;
CUdeviceptr devicePtr;
unsigned int bufferPitch;
unsigned int bufferHeight;
} pic_context_nvdec_t;
#define NVDEC_PICCONTEXT_FROM_PICCTX(pic_ctx) \
container_of(pic_ctx, pic_context_nvdec_t, ctx)
#endif /* include-guard */
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