* @brief Check whether an encoded H.264 or HEVC packet contains active SPS VUI metadata. * * @param packet Encoded packet to parse with FFmpeg's coded bitstream reader. * @param codec_id FFmpeg codec identifier; expected to be AV_CODEC_ID_H264 or AV_CODEC_ID_H265. * @return `true` when the packet's active SPS advertises VUI parameters. */
source not stored for this graph (policy: none)