avutil/cuda_check: avoid pointlessly exporting same symbol from two libraries

Author: BtbN

libavcodec/Makefile

@@ -124,7 +124,7 @@ OBJS-$(CONFIG_MPEGVIDEOENC)            += mpegvideo_enc.o mpeg12data.o  \
                                           motion_est.o ratecontrol.o    \
                                           mpegvideoencdsp.o
 OBJS-$(CONFIG_MSS34DSP)                += mss34dsp.o
-OBJS-$(CONFIG_NVENC)                   += nvenc.o cuda_check.o
+OBJS-$(CONFIG_NVENC)                   += nvenc.o
 OBJS-$(CONFIG_PIXBLOCKDSP)             += pixblockdsp.o
 OBJS-$(CONFIG_QPELDSP)                 += qpeldsp.o
 OBJS-$(CONFIG_QSV)                     += qsv.o
@@ -347,7 +347,7 @@ OBJS-$(CONFIG_H264_DECODER)            += h264dec.o h264_cabac.o h264_cavlc.o \
                                           h264_refs.o h264_sei.o \
                                           h264_slice.o h264data.o
 OBJS-$(CONFIG_H264_AMF_ENCODER)        += amfenc_h264.o
-OBJS-$(CONFIG_H264_CUVID_DECODER)      += cuviddec.o cuda_check.o
+OBJS-$(CONFIG_H264_CUVID_DECODER)      += cuviddec.o
 OBJS-$(CONFIG_H264_MEDIACODEC_DECODER) += mediacodecdec.o
 OBJS-$(CONFIG_H264_MMAL_DECODER)       += mmaldec.o
 OBJS-$(CONFIG_H264_NVENC_ENCODER)      += nvenc_h264.o
@@ -856,7 +856,7 @@ OBJS-$(CONFIG_ADPCM_YAMAHA_ENCODER)       += adpcmenc.o adpcm_data.o
 # hardware accelerators
 OBJS-$(CONFIG_D3D11VA)                    += dxva2.o
 OBJS-$(CONFIG_DXVA2)                      += dxva2.o
-OBJS-$(CONFIG_NVDEC)                      += nvdec.o cuda_check.o
+OBJS-$(CONFIG_NVDEC)                      += nvdec.o
 OBJS-$(CONFIG_VAAPI)                      += vaapi_decode.o
 OBJS-$(CONFIG_VIDEOTOOLBOX)               += videotoolbox.o
 OBJS-$(CONFIG_VDPAU)                      += vdpau.o

libavcodec/cuda_check.c

@@ -160,7 +160,7 @@ OBJS = adler32.o                                                        \
        xtea.o                                                           \
        tea.o                                                            \
 
-OBJS-$(CONFIG_CUDA)                     += hwcontext_cuda.o cuda_check.o
+OBJS-$(CONFIG_CUDA)                     += hwcontext_cuda.o
 OBJS-$(CONFIG_D3D11VA)                  += hwcontext_d3d11va.o
 OBJS-$(CONFIG_DXVA2)                    += hwcontext_dxva2.o
 OBJS-$(CONFIG_LIBDRM)                   += hwcontext_drm.o

libavutil/Makefile

@@ -23,10 +23,28 @@
 /**
  * Wrap a CUDA function call and print error information if it fails.
  */
+static inline int ff_cuda_check(void *avctx,
+                                void *cuGetErrorName_fn, void *cuGetErrorString_fn,
+                                CUresult err, const char *func)
+{
+    const char *err_name;
+    const char *err_string;
 
-int ff_cuda_check(void *avctx,
-                  void *cuGetErrorName_fn, void *cuGetErrorString_fn,
-                  CUresult err, const char *func);
+    av_log(avctx, AV_LOG_TRACE, "Calling %s\n", func);
+
+    if (err == CUDA_SUCCESS)
+        return 0;
+
+    ((tcuGetErrorName *)cuGetErrorName_fn)(err, &err_name);
+    ((tcuGetErrorString *)cuGetErrorString_fn)(err, &err_string);
+
+    av_log(avctx, AV_LOG_ERROR, "%s failed", func);
+    if (err_name && err_string)
+        av_log(avctx, AV_LOG_ERROR, " -> %s: %s", err_name, err_string);
+    av_log(avctx, AV_LOG_ERROR, "\n");
+
+    return AVERROR_EXTERNAL;
+}
 
 /**
  * Convenience wrapper for ff_cuda_check when directly linking libcuda.

libavutil/cuda_check.c

@@ -1,7 +1,6 @@
 Files without standard license headers:
 compat/avisynth/windowsPorts/basicDataTypeConversions.h
 compat/avisynth/windowsPorts/windows2linux.h
-libavcodec/cuda_check.c
 libavcodec/file_open.c
 libavcodec/ilbcdata.h
 libavcodec/ilbcdec.c
@@ -10,7 +9,6 @@ libavcodec/log2_tab.c
 libavcodec/reverse.c
 libavdevice/file_open.c
 libavdevice/reverse.c
-libavfilter/cuda_check.c
 libavfilter/log2_tab.c
 libavformat/file_open.c
 libavformat/golomb_tab.c