avcodec/nvdec: Increase frame pool size to help deinterlacing

With the cuda yadif filter in use, the number of mapped decoder
frames could increase by two, as the filter holds on to additional
frames.

(cherry picked from commit 1b41115ef70896d9b98ce842dc5f21c465396ce2)
This commit is contained in:
Philip Langdale 2018-10-24 18:38:44 -07:00
parent 67126555fc
commit 6feec11e48

View File

@ -601,7 +601,11 @@ int ff_nvdec_frame_params(AVCodecContext *avctx,
frames_ctx->format = AV_PIX_FMT_CUDA;
frames_ctx->width = (avctx->coded_width + 1) & ~1;
frames_ctx->height = (avctx->coded_height + 1) & ~1;
frames_ctx->initial_pool_size = dpb_size;
/*
* We add two extra frames to the pool to account for deinterlacing filters
* holding onto their frames.
*/
frames_ctx->initial_pool_size = dpb_size + 2;
frames_ctx->free = nvdec_free_dummy;
frames_ctx->pool = av_buffer_pool_init(0, nvdec_alloc_dummy);