On Thu, 28 Nov 2013 15:03:00 +0100, Vittorio Giovara 
<[email protected]> wrote:
> ---
>  libavcodec/libx264.c |   38 +++++++++++++++++++++++++++++++++++++-
>  1 file changed, 37 insertions(+), 1 deletion(-)
> 
> diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
> index 08bb509..abf0a3e 100644
> --- a/libavcodec/libx264.c
> +++ b/libavcodec/libx264.c
> @@ -23,6 +23,7 @@
>  #include "libavutil/opt.h"
>  #include "libavutil/mem.h"
>  #include "libavutil/pixdesc.h"
> +#include "libavutil/stereo3d.h"
>  #include "avcodec.h"
>  #include "internal.h"
>  
> @@ -134,6 +135,7 @@ static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, 
> const AVFrame *frame,
>      x264_nal_t *nal;
>      int nnal, i, ret;
>      x264_picture_t pic_out;
> +    AVFrameSideData *side_data;
>  
>      x264_picture_init( &x4->pic );
>      x4->pic.img.i_csp   = x4->params.i_csp;
> @@ -163,8 +165,42 @@ static int X264_frame(AVCodecContext *ctx, AVPacket 
> *pkt, const AVFrame *frame,
>              x4->params.vui.i_sar_width  = ctx->sample_aspect_ratio.num;
>              x264_encoder_reconfig(x4->enc, &x4->params);
>          }
> -    }
>  
> +        side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
> +        if (side_data) {
> +            AVStereo3D *stereo = (AVStereo3D *)side_data->data;
> +            int fpa_type;
> +
> +            switch (stereo->type) {
> +            case AV_STEREO3D_CHECKERBOARD:
> +                fpa_type = 0;
> +                break;
> +            case AV_STEREO3D_LINES:
> +                fpa_type = 1;
> +                break;
> +            case AV_STEREO3D_COLUMNS:
> +                fpa_type = 2;
> +                break;
> +            case AV_STEREO3D_SIDEBYSIDE:
> +                fpa_type = 3;
> +                break;
> +            case AV_STEREO3D_TOPBOTTOM:
> +                fpa_type = 4;
> +                break;
> +            case AV_STEREO3D_FRAMESEQUENCE:
> +                fpa_type = 5;
> +                break;
> +            default:
> +                fpa_type = -1;
> +                break;
> +            }
> +
> +            if (fpa_type != x4->params.i_frame_packing) {
> +                x4->params.i_frame_packing = fpa_type;
> +                x264_encoder_reconfig(x4->enc, &x4->params);
> +            }
> +        }
> +    }
>      do {
>          if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, 
> &pic_out) < 0)
>              return -1;
> -- 
> 1.7.9.5

LGTM

-- 
Anton Khirnov
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