[FFmpeg-devel] [PATCH v3 1/2] avcodec/libx264: Add support for Sony XAVC Class 300 and 480

[James Almer]

On 6/21/2021 10:36 PM, lance.lmwang at gmail.com wrote:
> From: Limin Wang <lance.lmwang at gmail.com>
> 
> Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> ---
>   libavcodec/libx264.c | 15 ++++++++++++++-
>   1 file changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
> index 36fdb56..d580f5a 100644
> --- a/libavcodec/libx264.c
> +++ b/libavcodec/libx264.c
> @@ -749,6 +749,19 @@ static av_cold int X264_init(AVCodecContext *avctx)
>           av_log(avctx, AV_LOG_ERROR,
>                  "x264 too old for AVC Intra, at least version 142 needed\n");
>   #endif
> +
> +#if X264_BUILD >= 142
> +    if (x4->avcintra_class > 200) {
> +#if X264_BUILD < 164
> +        av_log(avctx, AV_LOG_ERROR,
> +                "x264 too old for AVC Intra 300/480, at least version 164 needed\n");
> +        return AVERROR(EINVAL);
> +#endif
> +        /* AVC-Intra 300/480 only supported by Sony XAVC flavor */
> +        x4->params.i_avcintra_flavor = X264_AVCINTRA_FLAVOR_SONY;

This field and define were added in X264_BUILD 157. Anything from 142 to 
156 will fail to compile.

You should also merge this with the x4->avcintra_class >= 0 check above.

> +    }
> +#endif
> +
>       if (x4->b_bias != INT_MIN)
>           x4->params.i_bframe_bias              = x4->b_bias;
>       if (x4->b_pyramid >= 0)
> @@ -1082,7 +1095,7 @@ static const AVOption options[] = {
>       { "none",          NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
>       { "vbr",           NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR},  INT_MIN, INT_MAX, VE, "nal-hrd" },
>       { "cbr",           NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR},  INT_MIN, INT_MAX, VE, "nal-hrd" },
> -    { "avcintra-class","AVC-Intra class 50/100/200",                      OFFSET(avcintra_class),AV_OPT_TYPE_INT,     { .i64 = -1 }, -1, 200   , VE},
> +    { "avcintra-class","AVC-Intra class 50/100/200/300/480",              OFFSET(avcintra_class),AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, 480   , VE},
>       { "me_method",    "Set motion estimation method",                     OFFSET(motion_est),    AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
>       { "motion-est",   "Set motion estimation method",                     OFFSET(motion_est),    AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
>       { "dia",           NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA },  INT_MIN, INT_MAX, VE, "motion-est" },
>