[FFmpeg-devel] [PATCH v3 1/4] lavu/hwcontext_opecl: fix the build warning

[mypopy at gmail.com]

2018-06-04 1:42 GMT+08:00 Mark Thompson <sw at jkqxz.net>:
> On 03/06/18 04:15, Jun Zhao wrote:
>> fix the build warning when use Portable Computing Language (pocl).
>>
>> Signed-off-by: Jun Zhao <mypopydev at gmail.com>
>> ---
>>  libavutil/hwcontext_opencl.c | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>>
>> diff --git a/libavutil/hwcontext_opencl.c b/libavutil/hwcontext_opencl.c
>> index 43b5c5a..9ecc361 100644
>> --- a/libavutil/hwcontext_opencl.c
>> +++ b/libavutil/hwcontext_opencl.c
>> @@ -2809,7 +2809,11 @@ static int opencl_map_from(AVHWFramesContext
*hwfc, AVFrame *dst,
>>  static int opencl_map_to(AVHWFramesContext *hwfc, AVFrame *dst,
>>                           const AVFrame *src, int flags)
>>  {
>> +#if HAVE_OPENCL_DRM_BEIGNET || HAVE_OPENCL_VAAPI_BEIGNET || \
>> +    HAVE_OPENCL_VAAPI_INTEL_MEDIA || HAVE_OPENCL_DXVA2 || \
>> +    HAVE_OPENCL_D3D11 || HAVE_OPENCL_DRM_ARM
>>      OpenCLDeviceContext *priv = hwfc->device_ctx->internal->priv;
>> +#endif
>>      av_assert0(dst->format == AV_PIX_FMT_OPENCL);
>>      switch (src->format) {
>>  #if HAVE_OPENCL_DRM_BEIGNET
>> @@ -2850,7 +2854,11 @@ static int opencl_map_to(AVHWFramesContext *hwfc,
AVFrame *dst,
>>  static int opencl_frames_derive_to(AVHWFramesContext *dst_fc,
>>                                     AVHWFramesContext *src_fc, int flags)
>>  {
>> +#if HAVE_OPENCL_DRM_BEIGNET || HAVE_OPENCL_VAAPI_BEIGNET || \
>> +    HAVE_OPENCL_VAAPI_INTEL_MEDIA || HAVE_OPENCL_DXVA2 || \
>> +    HAVE_OPENCL_D3D11 || HAVE_OPENCL_DRM_ARM
>>      OpenCLDeviceContext *priv = dst_fc->device_ctx->internal->priv;
>> +#endif
>>      switch (src_fc->device_ctx->type) {
>>  #if HAVE_OPENCL_DRM_BEIGNET
>>      case AV_HWDEVICE_TYPE_DRM:
>>
>
> The condition is horrible and would need to be changed on any addition.
Just mark the variables unused instead.
Will use the unused mark to fix the warning.
>
> - Mark
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-- 
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Jun zhao/赵军
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