[FFmpeg-devel] [PATCH 1/3] avcodec/libaomenc: Add parameter for avif single image encoding

[James Zern]

On Wed, Feb 16, 2022 at 9:51 PM Vignesh Venkatasubramanian
<vigneshv-at-google.com at ffmpeg.org> wrote:
>
> Add a parameter to libaom-av1 encoder to enforce some of the single
> image constraints in the AV1 encoder. Setting this flag will limit
> the encoder to producing exactly one frame and the sequence header
> that is produced by the encoder will be conformant to the AVIF
> specification [1].
>
> Part of Fixing Trac ticket #7621
>
> [1] https://aomediacodec.github.io/av1-avif
>
> Signed-off-by:: Vignesh Venkatasubramanian <vigneshv at google.com>
> ---
>  libavcodec/libaomenc.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>
> [...]
> @@ -1290,6 +1303,7 @@ static const AVOption options[] = {
>      { "psnr",            NULL,         0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_PSNR}, 0, 0, VE, "tune"},
>      { "ssim",            NULL,         0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, "tune"},
>      FF_AV1_PROFILE_OPTS
> +    { "avif-image", "Encode in single frame mode for still AVIF images.", OFFSET(is_avif), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE },

Can this instead be mapped to something that can be sent via aom-params?