[FFmpeg-devel] [PATCH v1 2/4] avcodec/prores_metadata_bsf: add smpte2084 format support

[Limin Wang]

ping, the patchset is for HDR/HLG color support for prores.

On Mon, Nov 04, 2019 at 07:10:00PM +0800, lance.lmwang at gmail.com wrote:
> From: Limin Wang <lance.lmwang at gmail.com>
> 
> It's based on the following specs:
> RDD 36:2015 - SMPTE Registered Disclosure Doc - Apple ProRes Bitstream Syntax and Decoding Process
> 
> Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> ---
>  doc/bitstream_filters.texi       | 2 ++
>  libavcodec/prores_metadata_bsf.c | 3 ++-
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi
> index 8fe5b3ad75..e2de4fd4ed 100644
> --- a/doc/bitstream_filters.texi
> +++ b/doc/bitstream_filters.texi
> @@ -589,6 +589,8 @@ Keep the same transfer characteristics property (default).
>  @item unknown
>  @item bt709
>  BT 601, BT 709, BT 2020
> + at item smpte2084
> +SMPTE ST 2084
>  @end table
>  
>  
> diff --git a/libavcodec/prores_metadata_bsf.c b/libavcodec/prores_metadata_bsf.c
> index 0510d3520a..24615e9305 100644
> --- a/libavcodec/prores_metadata_bsf.c
> +++ b/libavcodec/prores_metadata_bsf.c
> @@ -140,10 +140,11 @@ static const AVOption options[] = {
>      {"smpte431",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE431},     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
>      {"smpte432",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE432},     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
>  
> -    {"color_trc", "select color transfer", OFFSET(transfer_characteristics), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_TRC_BT709, FLAGS, "color_trc"},
> +    {"color_trc", "select color transfer", OFFSET(transfer_characteristics), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_TRC_NB, FLAGS, "color_trc"},
>      {"auto", "keep the same color transfer",  0, AV_OPT_TYPE_CONST, {.i64=-1},                               INT_MIN, INT_MAX, FLAGS, "color_trc"},
>      {"unknown",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=0},                                INT_MIN, INT_MAX, FLAGS, "color_trc"},
>      {"bt709",                          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT709},                  INT_MIN, INT_MAX, FLAGS, "color_trc"},
> +    {"smpte2084",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE2084},              INT_MIN, INT_MAX, FLAGS, "color_trc"},
>  
>      {"colorspace", "select colorspace", OFFSET(matrix_coefficients), AV_OPT_TYPE_INT, {.i64=-1}, -1,  AVCOL_SPC_BT2020_NCL, FLAGS, "colorspace"},
>      {"auto", "keep the same colorspace",  0, AV_OPT_TYPE_CONST, {.i64=-1},                            INT_MIN, INT_MAX, FLAGS, "colorspace"},
> -- 
> 2.21.0
>