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libx265: Support tiny video sizes

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Where tiny is less than the default CTU size.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Vittorio Giovara 2018-03-16 11:34:25 -04:00
parent 54307b3531
commit cc06f7bd10
1 changed files with 11 additions and 0 deletions
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11
libavcodec/libx265.c
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@ -122,6 +122,17 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
ctx->params->sourceHeight = avctx->height;
ctx->params->bEnablePsnr = !!(avctx->flags & AV_CODEC_FLAG_PSNR);
/* Tune the CTU size based on input resolution. */
if (ctx->params->sourceWidth < 64 || ctx->params->sourceHeight < 64)
ctx->params->maxCUSize = 32;
if (ctx->params->sourceWidth < 32 || ctx->params->sourceHeight < 32)
ctx->params->maxCUSize = 16;
if (ctx->params->sourceWidth < 16 || ctx->params->sourceHeight < 16) {
av_log(avctx, AV_LOG_ERROR, "Image size is too small (%dx%d).\n",
ctx->params->sourceWidth, ctx->params->sourceHeight);
return AVERROR(EINVAL);
}
if ((avctx->color_primaries <= AVCOL_PRI_BT2020 &&
avctx->color_primaries != AVCOL_PRI_UNSPECIFIED) ||
(avctx->color_trc <= AVCOL_TRC_BT2020_12 &&