On 5/29/2019 3:28 PM, Derek Buitenhuis wrote:
> Uses the crav1e C bindings for rav1e.
>
> Port to the new send/receive API by: James Almer <[email protected]>.
>
> Signed-off-by: Derek Buitenhuis <[email protected]>
> ---
> Changes since v2:
>
> * Removed 4:0:0 support; seems broken in rav1e (ref:
> https://github.com/xiph/rav1e/issues/1312)
> * Moved to use FF_CODEC_CAP_INIT_CLEANUP.
> * Set time base for ratecontrol purposes (tested, as well).
> * Used desc->nb_components for loop.
> ---
> configure | 4 +
> doc/encoders.texi | 29 +++
> doc/general.texi | 7 +
> libavcodec/Makefile | 1 +
> libavcodec/allcodecs.c | 1 +
> libavcodec/librav1e.c | 415 +++++++++++++++++++++++++++++++++++++++++
> 6 files changed, 457 insertions(+)
> create mode 100644 libavcodec/librav1e.c
[...]
> +static const AVOption options[] = {
> + { "qp", "use constant quantizer mode", OFFSET(quantizer),
> AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 255, VE },
> + { "rav1e-params", "set the rav1e configuration using a :-separated list
> of key=value parameters", OFFSET(rav1e_opts), AV_OPT_TYPE_STRING, { 0 }, 0,
> 0, VE },
You could add tile-columns, tile-rows, and speed options.
> + { NULL }
> +};
> +
> +static const AVCodecDefault librav1e_defaults[] = {
> + { "qmax", "-1" },
And you should also set g and keyint_min here to -1, check the relevant
avctx fields (gop_size and keyint_min), and map them to
key_frame_interval and min_key_frame_interval rav1e options if >= 0.
> + { NULL }
> +};
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