2018-05-24 8:07 GMT+08:00 Mark Thompson <s...@jkqxz.net>:
> On 23/05/18 11:29, Jun Zhao wrote:
>> Signed-off-by: Jun Zhao <mypopy...@gmail.com>
>> ---
>> libavutil/hwcontext_vaapi.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/libavutil/hwcontext_vaapi.c b/libavutil/hwcontext_vaapi.c
>> index 5bdb02f..7b3cbea 100644
>> --- a/libavutil/hwcontext_vaapi.c
>> +++ b/libavutil/hwcontext_vaapi.c
>> @@ -100,6 +100,9 @@ static const struct {
>> enum AVPixelFormat pix_fmt;
>> } vaapi_format_map[] = {
>> MAP(NV12, YUV420, NV12),
>> +#ifdef VA_FOURCC_NV21
>> + MAP(NV21, YUV420, NV21), // As NV12 with U and V reversed
>> +#endif
>> MAP(YV12, YUV420, YUV420P), // With U/V planes swapped.
>> MAP(IYUV, YUV420, YUV420P),
>> #ifdef VA_FOURCC_I420
>>
>
> Sure, but why would anyone ever use this format?
>
> - Mark
I don't know why iHD driver return NV21 in fact, I just
want to remove an unknow enrty dump when map the pixel format
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