[FFmpeg-devel] [PATCH] libavcodec/qsvence: Use QSV encoder defaults as ffmpeg defaults

[Xiang, Haihao]

On Sat, 2021-08-07 at 03:50 +0000, Soft Works wrote:
> Signed-off-by: softworkz <softworkz at hotmail.com>
> ---
>  libavcodec/qsvenc.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h
> index fc8a14143e..7f729ce2ba 100644
> --- a/libavcodec/qsvenc.h
> +++ b/libavcodec/qsvenc.h
> @@ -76,8 +76,8 @@
>  
>  #define QSV_COMMON_OPTS \
>  { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth),
> AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VE
> },                          \
> -{ "avbr_accuracy",    "Accuracy of the AVBR
> ratecontrol",    OFFSET(qsv.avbr_accuracy),    AV_OPT_TYPE_INT, { .i64 = 0 },
> 0, INT_MAX, VE },                             \
> -{ "avbr_convergence", "Convergence of the AVBR ratecontrol",
> OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE
> },                             \
> +{ "avbr_accuracy",    "Accuracy of the AVBR ratecontrol (unit of tenth of
> percent)",    OFFSET(qsv.avbr_accuracy),    AV_OPT_TYPE_INT, { .i64 = 1 }, 0,
> INT_MAX, VE },                             \
> +{ "avbr_convergence", "Convergence of the AVBR ratecontrol (unit of 100
> frames)", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 1 }, 0,
> INT_MAX, VE },                             \
>  { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 =
> MFX_TARGETUSAGE_BALANCED }, MFX_TARGETUSAGE_BEST_QUALITY,
> MFX_TARGETUSAGE_BEST_SPEED,   VE, "preset" }, \
>  { "veryfast",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> MFX_TARGETUSAGE_BEST_SPEED  },   INT_MIN, INT_MAX, VE, "preset"
> },                                                \
>  { "faster",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> MFX_TARGETUSAGE_6  },            INT_MIN, INT_MAX, VE, "preset" },    

The range is [1, 65535] for both Accuracy and Convergence in the SDK, could you
change the range in options ? 

Regards
Haihao