shithub: libvpx

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Increase encoder buffer for multi-layer ARFs

When multi-layer ARF mode is enabled, increase the encoder buffer
to account for the situation where several ARFs are coded together
in a frame packet.

Change-Id: I4e53095f6b6ac5a3c8d79414411ac39880bf1523

--- a/vp9/vp9_cx_iface.c

+++ b/vp9/vp9_cx_iface.c

@@ -1099,7 +1099,7 @@

       // There's no codec control for multiple alt-refs so check the encoder

       // instance for its status to determine the compressed data size.

       data_sz = ctx->cfg.g_w * ctx->cfg.g_h * get_image_bps(img) / 8 *

-                (cpi->multi_arf_allowed ? 8 : 2);

+                (cpi->multi_arf_allowed || cpi->multi_layer_arf ? 8 : 2);

       if (data_sz < kMinCompressedSize) data_sz = kMinCompressedSize;

       if (ctx->cx_data == NULL || ctx->cx_data_sz < data_sz) {

         ctx->cx_data_sz = data_sz;