Optimal Transcoding Resolution Prediction for Efficient Per-Title Bitrate Ladder Estimation

Jinhai Yang, Mengxi Guo, Shijie Zhao, Junlin Li, Li Zhang

Abstract: Adaptive video streaming requires efficient bitrate ladder construction to meet heterogeneous network conditions and end-user demands. Per-title encoding optimization typically traverses numerous encoding parameters to search the Pareto-optimal operating points for each video. Recently, researchers have attempted to predict the content-optimized bitrate ladder for pre-encoding overhead reduction [1] . However, as shown in Fig. 1 , current methods actually estimate the optimal encoding parameters that lie on the Pareto front and thus still require subsequent pre-encodings.