[vlc-devel] [RFC PATCH 2/2] core: add 3D stereo information to video_format_t

[Tristan Matthews]

On Fri, May 27, 2016 at 9:18 AM, Jean-Baptiste Kempf <jb at videolan.org> wrote:
> From: Felix Abecassis <felix.abecassis at gmail.com>
>
> Signed-off-by: Jean-Baptiste Kempf <jb at videolan.org>
> ---
>  include/vlc_es.h     | 26 ++++++++++++++++++++++++++
>  src/input/decoder.c  |  3 ++-
>  src/misc/es_format.c |  3 +++
>  3 files changed, 31 insertions(+), 1 deletion(-)
>
> diff --git a/include/vlc_es.h b/include/vlc_es.h
> index 2c6fe57..9cf5e0e 100644
> --- a/include/vlc_es.h
> +++ b/include/vlc_es.h
> @@ -192,6 +192,30 @@ typedef enum video_transform_t
>      TRANSFORM_ANTI_TRANSPOSE = ORIENT_ANTI_TRANSPOSED
>  } video_transform_t;
>
> +typedef enum video_multiview_mode_t
> +{
> +    /* No stereoscopy: 2D picture. */
> +    MULTIVIEW_2D = 0,
> +
> +    /* Side-by-side with left eye first. */
> +    MULTIVIEW_STEREO_SBS,
> +
> +    /* Top-bottom with left eye first. */
> +    MULTIVIEW_STEREO_TB,
> +
> +    /* Row sequential with left eye first. */
> +    MULTIVIEW_ROW,
> +
> +    /* Column sequential with left eye first. */
> +    MULTIVIEW_COL,
> +
> +    /* Frame sequential with left eye first. */
> +    MULTIVIEW_FRAME,
> +
> +    /* Checkerboard pattern with left eye first. */
> +    MULTIVIEW_CHECKERBOARD,
> +} video_multiview_mode_t;
> +
>  /**
>   * Video projection mode.
>   */
> @@ -288,6 +312,8 @@ struct video_format_t
>      bool b_color_range_full;                    /**< 0-255 instead of 16-235 */
>      video_chroma_location_t chroma_location;      /**< YCbCr chroma location */
>
> +    video_multiview_mode_t multiview_mode;        /** Multiview mode, 2D, 3D */
> +
>      video_projection_mode_t projection_mode;            /**< projection mode */
>      int32_t i_pose_yaw_degrees;     /**< view point yaw in 16.16 fixed point */
>      int32_t i_pose_pitch_degrees; /**< view point pitch in 16.16 fixed point */
> diff --git a/src/input/decoder.c b/src/input/decoder.c
> index bd966c1..2df09a9 100644
> --- a/src/input/decoder.c
> +++ b/src/input/decoder.c
> @@ -328,7 +328,8 @@ static int vout_update_format( decoder_t *p_dec )
>       || p_dec->fmt_out.i_codec != p_owner->fmt.video.i_chroma
>       || (int64_t)p_dec->fmt_out.video.i_sar_num * p_owner->fmt.video.i_sar_den !=
>          (int64_t)p_dec->fmt_out.video.i_sar_den * p_owner->fmt.video.i_sar_num ||
> -        p_dec->fmt_out.video.orientation != p_owner->fmt.video.orientation )
> +        p_dec->fmt_out.video.orientation != p_owner->fmt.video.orientation ||
> +        p_dec->fmt_out.video.multiview_mode != p_owner->fmt.video.multiview_mode )
>      {
>          vout_thread_t *p_vout;
>
> diff --git a/src/misc/es_format.c b/src/misc/es_format.c
> index 0375767..b4090e9 100644
> --- a/src/misc/es_format.c
> +++ b/src/misc/es_format.c
> @@ -395,6 +395,9 @@ bool video_format_IsSimilar( const video_format_t *f1,
>      if( f1->orientation != f2->orientation)
>          return false;
>
> +    if( f1->multiview_mode!= f2->multiview_mode )

nit: whitespace

> +       return false;
> +
>      if( f1->i_chroma == VLC_CODEC_RGB15 ||
>          f1->i_chroma == VLC_CODEC_RGB16 ||
>          f1->i_chroma == VLC_CODEC_RGB24 ||
> --
> 2.8.1.369.geae769a
>
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