[FFmpeg-devel] [PATCH 1/3] hevc: support Main10 decoding through dxva2

Hendrik Leppkes h.leppkes at gmail.com
Mon Feb 15 12:42:07 CET 2016


On Thu, Jan 28, 2016 at 5:08 PM, wm4 <nfxjfg at googlemail.com> wrote:
> On Thu, 28 Jan 2016 12:58:25 +0100
> Hendrik Leppkes <h.leppkes at gmail.com> wrote:
>
>> ---
>>  libavcodec/hevc.c | 13 ++++++++++++-
>>  1 file changed, 12 insertions(+), 1 deletion(-)
>>
>> diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
>> index c245d3b..5677f0f 100644
>> --- a/libavcodec/hevc.c
>> +++ b/libavcodec/hevc.c
>> @@ -346,7 +346,9 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps, enum AVPixelFormat pix_fm
>>
>>      export_stream_params(s->avctx, &s->ps, sps);
>>
>> -    if (sps->pix_fmt == AV_PIX_FMT_YUV420P || sps->pix_fmt == AV_PIX_FMT_YUVJ420P) {
>> +    switch (sps->pix_fmt) {
>> +    case AV_PIX_FMT_YUV420P:
>> +    case AV_PIX_FMT_YUVJ420P:
>>  #if CONFIG_HEVC_DXVA2_HWACCEL
>>          *fmt++ = AV_PIX_FMT_DXVA2_VLD;
>>  #endif
>> @@ -359,6 +361,15 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps, enum AVPixelFormat pix_fm
>>  #if CONFIG_HEVC_VDPAU_HWACCEL
>>          *fmt++ = AV_PIX_FMT_VDPAU;
>>  #endif
>> +        break;
>> +    case AV_PIX_FMT_YUV420P10:
>> +#if CONFIG_HEVC_DXVA2_HWACCEL
>> +        *fmt++ = AV_PIX_FMT_DXVA2_VLD;
>> +#endif
>> +#if CONFIG_HEVC_D3D11VA_HWACCEL
>> +        *fmt++ = AV_PIX_FMT_D3D11VA_VLD;
>> +#endif
>> +        break;
>>      }
>>
>>      if (pix_fmt == AV_PIX_FMT_NONE) {
>
> Patches 1-3 LGTM. There was a discussion whether there is a
> compatibility problem with API users which don't check for the profile.
> These would now attempt to decode 10 bit with a 8 bit decoder. On the
> other hand, if you don't check for profiles with hw decoding, you're
> bound to run into problems anyway.
>

Applied the set.


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